Merge pull request #138 from bornhack/schedule-elm-rewrite

Schedule elm rewrite

.gitignore

@@ -6,4 +6,4 @@ db.sqlite3
 *.pyc
 venv/
 environment_settings.py
-
+elm-stuff/

schedule/Makefile

@@ -0,0 +1,5 @@
+all:
+	elm-make src/Main.elm --warn --output ../src/program/static/js/elm_based_schedule.js
+
+debug:
+	elm-make src/Main.elm --debug --warn --output ../src/program/static/js/elm_based_schedule.js

schedule/elm-package.json

@@ -0,0 +1,22 @@
+{
+    "version": "1.0.0",
+    "summary": "helpful summary of your project, less than 80 characters",
+    "repository": "https://github.com/user/project.git",
+    "license": "BSD3",
+    "source-directories": [
+        "src/"
+    ],
+    "exposed-modules": [],
+    "dependencies": {
+        "NoRedInk/elm-decode-pipeline": "3.0.0 <= v < 4.0.0",
+        "elm-community/list-extra": "6.1.0 <= v < 7.0.0",
+        "elm-lang/core": "5.1.1 <= v < 6.0.0",
+        "elm-lang/html": "2.0.0 <= v < 3.0.0",
+        "elm-lang/navigation": "2.1.0 <= v < 3.0.0",
+        "elm-lang/websocket": "1.0.2 <= v < 2.0.0",
+        "evancz/elm-markdown": "3.0.2 <= v < 4.0.0",
+        "evancz/url-parser": "2.0.1 <= v < 3.0.0",
+        "justinmimbs/elm-date-extra": "2.0.3 <= v < 3.0.0"
+    },
+    "elm-version": "0.18.0 <= v < 0.19.0"
+}

schedule/src/Decoders.elm

@@ -0,0 +1,122 @@
+module Decoders exposing (..)
+
+-- Local modules
+
+import Models exposing (Day, Speaker, Event, EventInstance, Model, Flags, Filter, Route(..), FilterType(..))
+
+
+-- Core modules
+
+import Json.Decode exposing (int, string, float, list, bool, dict, Decoder, nullable)
+import Json.Decode.Pipeline exposing (decode, required, optional, hardcoded)
+import Date exposing (Date, Month(..))
+
+
+-- External modules
+
+import Date.Extra
+import Navigation exposing (Location)
+
+
+-- DECODERS
+
+
+type alias WebSocketAction =
+    { action : String
+    }
+
+
+webSocketActionDecoder : Decoder WebSocketAction
+webSocketActionDecoder =
+    decode WebSocketAction
+        |> required "action" string
+
+
+dayDecoder : Decoder Day
+dayDecoder =
+    decode Day
+        |> required "day_name" string
+        |> required "iso" dateDecoder
+        |> required "repr" string
+
+
+speakerDecoder : Decoder Speaker
+speakerDecoder =
+    decode Speaker
+        |> required "name" string
+        |> required "slug" string
+        |> required "biography" string
+        |> optional "large_picture_url" (nullable string) Nothing
+        |> optional "small_picture_url" (nullable string) Nothing
+
+
+eventDecoder : Decoder Event
+eventDecoder =
+    decode Event
+        |> required "title" string
+        |> required "slug" string
+        |> required "abstract" string
+        |> required "speaker_slugs" (list string)
+        |> required "video_state" string
+        |> optional "video_url" (nullable string) Nothing
+        |> required "event_type" string
+
+
+dateDecoder : Decoder Date
+dateDecoder =
+    let
+        unpacked isoString =
+            isoString
+                |> Date.Extra.fromIsoString
+                |> Maybe.withDefault (Date.Extra.fromParts 1970 Jan 1 0 0 0 0)
+    in
+        Json.Decode.map unpacked string
+
+
+eventInstanceDecoder : Decoder EventInstance
+eventInstanceDecoder =
+    decode EventInstance
+        |> required "title" string
+        |> required "slug" string
+        |> required "id" int
+        |> required "url" string
+        |> required "event_slug" string
+        |> required "event_type" string
+        |> required "bg-color" string
+        |> required "fg-color" string
+        |> required "from" dateDecoder
+        |> required "to" dateDecoder
+        |> required "timeslots" float
+        |> required "location" string
+        |> required "location_icon" string
+        |> required "video_state" string
+        |> optional "video_url" (nullable string) Nothing
+        |> optional "is_favorited" (nullable bool) Nothing
+
+
+eventLocationDecoder : Decoder FilterType
+eventLocationDecoder =
+    decode LocationFilter
+        |> required "name" string
+        |> required "slug" string
+        |> required "icon" string
+
+
+eventTypeDecoder : Decoder FilterType
+eventTypeDecoder =
+    decode TypeFilter
+        |> required "name" string
+        |> required "slug" string
+        |> required "color" string
+        |> required "light_text" bool
+
+
+initDataDecoder : Decoder (Flags -> Filter -> Location -> Route -> Bool -> Model)
+initDataDecoder =
+    decode Model
+        |> required "days" (list dayDecoder)
+        |> required "events" (list eventDecoder)
+        |> required "event_instances" (list eventInstanceDecoder)
+        |> required "event_locations" (list eventLocationDecoder)
+        |> required "event_types" (list eventTypeDecoder)
+        |> required "speakers" (list speakerDecoder)

schedule/src/Main.elm

@@ -0,0 +1,51 @@
+module Main exposing (..)
+
+-- Local modules
+
+import Models exposing (..)
+import Routing exposing (parseLocation)
+import Update exposing (update)
+import Messages exposing (Msg(..))
+import WebSocketCalls exposing (sendInitMessage)
+import Views exposing (view)
+
+
+-- External modules
+
+import WebSocket exposing (listen)
+import Navigation exposing (Location)
+
+
+main : Program Flags Model Msg
+main =
+    Navigation.programWithFlags
+        OnLocationChange
+        { init = init
+        , view = view
+        , update = update
+        , subscriptions = subscriptions
+        }
+
+
+init : Flags -> Location -> ( Model, Cmd Msg )
+init flags location =
+    let
+        currentRoute =
+            parseLocation location
+
+        emptyFilter =
+            Filter [] [] []
+
+        model =
+            Model [] [] [] [] [] [] flags emptyFilter location currentRoute False
+    in
+        model ! [ sendInitMessage flags.camp_slug flags.websocket_server ]
+
+
+
+-- SUBSCRIPTIONS
+
+
+subscriptions : Model -> Sub Msg
+subscriptions model =
+    WebSocket.listen model.flags.websocket_server WebSocketPayload

schedule/src/Messages.elm

@@ -0,0 +1,18 @@
+module Messages exposing (Msg(..))
+
+-- Local modules
+
+import Models exposing (Day, EventInstance, FilterType)
+
+
+-- External modules
+
+import Navigation exposing (Location)
+
+
+type Msg
+    = NoOp
+    | WebSocketPayload String
+    | ToggleFilter FilterType
+    | OnLocationChange Location
+    | BackInHistory

schedule/src/Models.elm

@@ -0,0 +1,179 @@
+module Models exposing (..)
+
+-- Core modules
+
+import Date exposing (Date, now)
+
+
+-- External modules
+
+import Navigation exposing (Location)
+
+
+type alias EventSlug =
+    String
+
+
+type alias EventInstanceSlug =
+    String
+
+
+type alias SpeakerSlug =
+    String
+
+
+type alias DaySlug =
+    String
+
+
+type alias FilterQuery =
+    String
+
+
+
+-- Route is defined here rather than in Routing.elm due to it being used in Model. If it were in Routing.elm we would have a circular dependency.
+
+
+type Route
+    = OverviewRoute
+    | OverviewFilteredRoute FilterQuery
+    | DayRoute DaySlug
+    | EventRoute EventSlug
+    | SpeakerRoute SpeakerSlug
+    | NotFoundRoute
+
+
+type alias Model =
+    { days : List Day
+    , events : List Event
+    , eventInstances : List EventInstance
+    , eventLocations : List FilterType
+    , eventTypes : List FilterType
+    , speakers : List Speaker
+    , flags : Flags
+    , filter : Filter
+    , location : Location
+    , route : Route
+    , dataLoaded : Bool
+    }
+
+
+type alias Day =
+    { day_name : String
+    , date : Date
+    , repr : String
+    }
+
+
+type alias Speaker =
+    { name : String
+    , slug : SpeakerSlug
+    , biography : String
+    , largePictureUrl : Maybe String
+    , smallPictureUrl : Maybe String
+    }
+
+
+type alias EventInstance =
+    { title : String
+    , slug : EventInstanceSlug
+    , id : Int
+    , url : String
+    , eventSlug : EventSlug
+    , eventType : String
+    , backgroundColor : String
+    , forgroundColor : String
+    , from : Date
+    , to : Date
+    , timeslots : Float
+    , location : String
+    , locationIcon : String
+    , videoState : String
+    , videoUrl : Maybe String
+    , isFavorited : Maybe Bool
+    }
+
+
+type alias Event =
+    { title : String
+    , slug : EventSlug
+    , abstract : String
+    , speakerSlugs : List SpeakerSlug
+    , videoState : String
+    , videoUrl : Maybe String
+    , eventType : String
+    }
+
+
+type alias Flags =
+    { schedule_timeslot_length_minutes : Int
+    , schedule_midnight_offset_hours : Int
+    , ics_button_href : String
+    , camp_slug : String
+    , websocket_server : String
+    }
+
+
+
+-- FILTERS
+
+
+type alias FilterName =
+    String
+
+
+type alias FilterSlug =
+    String
+
+
+type alias LocationIcon =
+    String
+
+
+type alias TypeColor =
+    String
+
+
+type alias TypeLightText =
+    Bool
+
+
+type FilterType
+    = TypeFilter FilterName FilterSlug TypeColor TypeLightText
+    | LocationFilter FilterName FilterSlug LocationIcon
+    | VideoFilter FilterName FilterSlug
+
+
+type alias Filter =
+    { eventTypes : List FilterType
+    , eventLocations : List FilterType
+    , videoRecording : List FilterType
+    }
+
+
+unpackFilterType filter =
+    case filter of
+        TypeFilter name slug _ _ ->
+            ( name, slug )
+
+        LocationFilter name slug _ ->
+            ( name, slug )
+
+        VideoFilter name slug ->
+            ( name, slug )
+
+
+getSlugFromFilterType filter =
+    let
+        ( _, slug ) =
+            unpackFilterType filter
+    in
+        slug
+
+
+getNameFromFilterType filter =
+    let
+        ( name, slug ) =
+            unpackFilterType filter
+    in
+        name

schedule/src/Routing.elm

@@ -0,0 +1,72 @@
+module Routing exposing (..)
+
+-- Local modules
+
+import Models exposing (Route(..))
+
+
+-- External modules
+
+import Navigation exposing (Location)
+import UrlParser exposing (Parser, (</>), oneOf, map, top, s, string, parseHash)
+
+
+{--
+URLs to support:
+
+- #/
+    This show the overview of the schedule
+
+- #/?type={types},location={locations},video={not-to-be-recorded,to-be-recorded,has-recording}
+    This is the overview, just with filters enable
+
+- #/day/{year}-{month}-{day}
+    Show a particular day
+
+- #/event/{slug}
+    Show a particular event
+
+--}
+
+
+matchers : Parser (Route -> a) a
+matchers =
+    oneOf
+        [ map OverviewRoute top
+        , map OverviewFilteredRoute (top </> string)
+        , map DayRoute (s "day" </> string)
+        , map EventRoute (s "event" </> string)
+        , map SpeakerRoute (s "speaker" </> string)
+        ]
+
+
+parseLocation : Location -> Route
+parseLocation location =
+    parseHash matchers location
+        |> Maybe.withDefault NotFoundRoute
+
+
+routeToString : Route -> String
+routeToString route =
+    let
+        parts =
+            case route of
+                OverviewRoute ->
+                    []
+
+                OverviewFilteredRoute query ->
+                    [ query ]
+
+                DayRoute iso ->
+                    [ "day", iso ]
+
+                EventRoute slug ->
+                    [ "event", slug ]
+
+                SpeakerRoute slug ->
+                    [ "speaker", slug ]
+
+                NotFoundRoute ->
+                    []
+    in
+        "#/" ++ String.join "/" parts

schedule/src/Update.elm

@@ -0,0 +1,123 @@
+module Update exposing (update)
+
+-- Local modules
+
+import Models exposing (Model, Route(..), Filter, FilterType(..))
+import Messages exposing (Msg(..))
+import Decoders exposing (webSocketActionDecoder, initDataDecoder, eventDecoder)
+import Routing exposing (parseLocation)
+import Views.FilterView exposing (parseFilterFromQuery, filterToQuery)
+
+
+-- Core modules
+
+import Json.Decode
+
+
+-- External modules
+
+import Navigation
+
+
+update : Msg -> Model -> ( Model, Cmd Msg )
+update msg model =
+    case msg of
+        NoOp ->
+            ( model, Cmd.none )
+
+        WebSocketPayload str ->
+            let
+                newModel =
+                    case Json.Decode.decodeString webSocketActionDecoder str of
+                        Ok webSocketAction ->
+                            case webSocketAction.action of
+                                "init" ->
+                                    case Json.Decode.decodeString initDataDecoder str of
+                                        Ok m ->
+                                            m model.flags model.filter model.location model.route True
+
+                                        Err error ->
+                                            model
+
+                                _ ->
+                                    model
+
+                        Err error ->
+                            model
+
+                ( newModel_, _ ) =
+                    update (OnLocationChange model.location) newModel
+            in
+                newModel_ ! []
+
+        ToggleFilter filter ->
+            let
+                currentFilter =
+                    model.filter
+
+                newFilter =
+                    case filter of
+                        TypeFilter name slug color lightText ->
+                            let
+                                eventType =
+                                    TypeFilter name slug color lightText
+                            in
+                                { currentFilter
+                                    | eventTypes =
+                                        if List.member eventType model.filter.eventTypes then
+                                            List.filter (\x -> x /= eventType) model.filter.eventTypes
+                                        else
+                                            eventType :: model.filter.eventTypes
+                                }
+
+                        LocationFilter name slug icon ->
+                            let
+                                eventLocation =
+                                    LocationFilter name slug icon
+                            in
+                                { currentFilter
+                                    | eventLocations =
+                                        if List.member eventLocation model.filter.eventLocations then
+                                            List.filter (\x -> x /= eventLocation) model.filter.eventLocations
+                                        else
+                                            eventLocation :: model.filter.eventLocations
+                                }
+
+                        VideoFilter name slug ->
+                            let
+                                videoRecording =
+                                    VideoFilter name slug
+                            in
+                                { currentFilter
+                                    | videoRecording =
+                                        if List.member videoRecording model.filter.videoRecording then
+                                            List.filter (\x -> x /= videoRecording) model.filter.videoRecording
+                                        else
+                                            videoRecording :: model.filter.videoRecording
+                                }
+
+                query =
+                    filterToQuery newFilter
+
+                cmd =
+                    Navigation.newUrl query
+            in
+                { model | filter = newFilter } ! [ cmd ]
+
+        OnLocationChange location ->
+            let
+                newRoute =
+                    parseLocation location
+
+                newFilter =
+                    case newRoute of
+                        OverviewFilteredRoute query ->
+                            parseFilterFromQuery query model
+
+                        _ ->
+                            model.filter
+            in
+                { model | filter = newFilter, route = newRoute, location = location } ! []
+
+        BackInHistory ->
+            model ! [ Navigation.back 1 ]

schedule/src/Views.elm

@@ -0,0 +1,60 @@
+module Views exposing (..)
+
+-- Local modules
+
+import Models exposing (..)
+import Messages exposing (Msg(..))
+import Views.DayPicker exposing (dayPicker)
+import Views.DayView exposing (dayView)
+import Views.EventDetail exposing (eventDetailView)
+import Views.SpeakerDetail exposing (speakerDetailView)
+import Views.ScheduleOverview exposing (scheduleOverviewView)
+
+
+-- Core modules
+
+import Date exposing (Month(..))
+
+
+-- External modules
+
+import Html exposing (Html, Attribute, div, input, text, li, ul, a, h4, label, i, span, hr, small, p)
+import Date.Extra
+
+
+view : Model -> Html Msg
+view model =
+    case model.dataLoaded of
+        True ->
+            div []
+                [ dayPicker model
+                , hr [] []
+                , case model.route of
+                    OverviewRoute ->
+                        scheduleOverviewView model
+
+                    OverviewFilteredRoute _ ->
+                        scheduleOverviewView model
+
+                    DayRoute dayIso ->
+                        let
+                            day =
+                                model.days
+                                    |> List.filter (\x -> (Date.Extra.toFormattedString "y-MM-dd" x.date) == dayIso)
+                                    |> List.head
+                                    |> Maybe.withDefault (Day "" (Date.Extra.fromParts 1970 Jan 1 0 0 0 0) "")
+                        in
+                            dayView day model
+
+                    EventRoute eventSlug ->
+                        eventDetailView eventSlug model
+
+                    SpeakerRoute speakerSlug ->
+                        speakerDetailView speakerSlug model
+
+                    NotFoundRoute ->
+                        div [] [ text "Not found!" ]
+                ]
+
+        False ->
+            h4 [] [ text "Loading schedule..." ]

schedule/src/Views/DayPicker.elm

@@ -0,0 +1,86 @@
+module Views.DayPicker exposing (..)
+
+-- Local modules
+
+import Models exposing (..)
+import Messages exposing (Msg(..))
+import Routing exposing (routeToString)
+import Views.FilterView exposing (maybeFilteredOverviewRoute)
+
+
+-- Core modules
+
+import Date exposing (Date)
+
+
+-- External modules
+
+import Html exposing (Html, text, a, div)
+import Html.Attributes exposing (class, classList, href, id)
+import Date.Extra
+
+
+dayPicker : Model -> Html Msg
+dayPicker model =
+    let
+        activeDate =
+            case model.route of
+                DayRoute iso ->
+                    Date.Extra.fromIsoString iso
+
+                _ ->
+                    Nothing
+
+        isAllDaysActive =
+            case activeDate of
+                Just _ ->
+                    False
+
+                Nothing ->
+                    True
+    in
+        div
+            [ classList
+                [ ( "row", True )
+                , ( "sticky", True )
+                ]
+            , id "daypicker"
+            ]
+            [ div [ id "schedule-days", class "btn-group" ]
+                ([ a
+                    [ classList
+                        [ ( "btn", True )
+                        , ( "btn-default", not isAllDaysActive )
+                        , ( "btn-primary", isAllDaysActive )
+                        ]
+                    , href <| routeToString <| maybeFilteredOverviewRoute model
+                    ]
+                    [ text "All Days"
+                    ]
+                 ]
+                    ++ (List.map (\day -> dayButton day activeDate) model.days)
+                )
+            ]
+
+
+dayButton : Day -> Maybe Date -> Html Msg
+dayButton day activeDate =
+    let
+        isActive =
+            case activeDate of
+                Just activeDate ->
+                    day.date == activeDate
+
+                Nothing ->
+                    False
+    in
+        a
+            [ classList
+                [ ( "btn", True )
+                , ( "btn-default", not isActive )
+                , ( "btn-primary", isActive )
+                ]
+            , href <| routeToString <| DayRoute <| Date.Extra.toFormattedString "y-MM-dd" day.date
+            ]
+            [ text day.day_name
+            ]

schedule/src/Views/DayView.elm

@@ -0,0 +1,278 @@
+module Views.DayView exposing (dayView)
+
+-- Local modules
+
+import Messages exposing (Msg(..))
+import Models exposing (Model, Day, EventInstance, Route(EventRoute), FilterType(..), getSlugFromFilterType, getNameFromFilterType)
+import Routing exposing (routeToString)
+
+
+-- Core modules
+
+import Date exposing (Date)
+
+
+-- External modules
+
+import Html exposing (Html, text, div, ul, li, span, i, h4, table, p, a)
+import Html.Attributes exposing (classList, style, href)
+import Date.Extra
+import List.Extra
+
+
+blockHeight : Int
+blockHeight =
+    15
+
+
+headerHeight : Int
+headerHeight =
+    50
+
+
+px : Int -> String
+px value =
+    (toString value) ++ "px"
+
+
+dayView : Day -> Model -> Html Msg
+dayView day model =
+    let
+        start =
+            Date.Extra.add Date.Extra.Hour model.flags.schedule_midnight_offset_hours day.date
+
+        lastHour =
+            Date.Extra.add Date.Extra.Day 1 start
+
+        minutes =
+            Date.Extra.range Date.Extra.Minute 15 start lastHour
+
+        filteredEventInstances =
+            List.filter (\x -> Date.Extra.equalBy Date.Extra.Day x.from day.date) model.eventInstances
+    in
+        div
+            [ classList [ ( "row", True ) ] ]
+            [ gutter minutes
+            , locationColumns filteredEventInstances model.eventLocations model.flags.schedule_midnight_offset_hours minutes
+            ]
+
+
+locationColumns : List EventInstance -> List FilterType -> Int -> List Date -> Html Msg
+locationColumns eventInstances eventLocations offset minutes =
+    let
+        columnWidth =
+            100.0 / toFloat (List.length eventLocations)
+    in
+        div
+            [ style
+                [ ( "display", "flex" )
+                , ( "justify-content", "space-around" )
+                ]
+            , classList
+                [ ( "col-sm-11", True )
+                ]
+            ]
+            (List.map (\location -> locationColumn columnWidth eventInstances offset minutes location) eventLocations)
+
+
+locationColumn : Float -> List EventInstance -> Int -> List Date -> FilterType -> Html Msg
+locationColumn columnWidth eventInstances offset minutes location =
+    let
+        locationInstances =
+            List.filter (\instance -> instance.location == getSlugFromFilterType location) eventInstances
+
+        overlappingGroups =
+            List.Extra.groupWhile
+                (\instanceA instanceB -> Date.Extra.isBetween instanceA.from instanceA.to instanceB.from)
+                locationInstances
+    in
+        div
+            [ style
+                [ ( "width", (toString columnWidth) ++ "%" )
+                ]
+            , classList
+                [ ( "location-column", True ) ]
+            ]
+            ([ div
+                [ style
+                    [ ( "height", px headerHeight )
+                    ]
+                , classList
+                    [ ( "location-column-header", True )
+                    ]
+                ]
+                [ text <| getNameFromFilterType location ]
+             ]
+                ++ (List.map
+                        (\x ->
+                            div
+                                [ style
+                                    [ ( "backgroundColor"
+                                      , if Date.minute x == 30 || Date.minute x == 45 then
+                                            "#f8f8f8"
+                                        else
+                                            "#fff"
+                                      )
+                                    , ( "height", px blockHeight )
+                                    ]
+                                ]
+                                []
+                        )
+                        minutes
+                   )
+                ++ (List.map (\group -> renderGroup offset group) overlappingGroups)
+            )
+
+
+renderGroup : Int -> List EventInstance -> Html Msg
+renderGroup offset group =
+    let
+        sortedGroup =
+            List.sortWith
+                (\x y ->
+                    case Date.Extra.compare x.from y.from of
+                        z ->
+                            z
+                )
+                group
+
+        findLefts instanceA =
+            ( instanceA
+            , List.foldl
+                (+)
+                0
+                (List.map
+                    (\instanceB ->
+                        if instanceA == instanceB then
+                            0
+                        else if (Date.Extra.equal instanceB.from instanceA.from) && (Date.Extra.equal instanceB.to instanceA.to) then
+                            -- Set to 0 and then fix it further down in the code
+                            0
+                        else if (Date.Extra.equal instanceB.from instanceA.from) && not (Date.Extra.equal instanceB.to instanceA.to) then
+                            -- Set to 0 and then fix it further down in the code
+                            0
+                        else if Date.Extra.isBetween instanceB.from instanceB.to instanceA.from then
+                            1
+                        else
+                            0
+                    )
+                    sortedGroup
+                )
+            )
+
+        lefts =
+            List.map findLefts sortedGroup
+
+        numberInGroup =
+            lefts
+                |> List.map (\( _, left ) -> left)
+                |> List.maximum
+                |> Maybe.withDefault 1
+
+        fixedLefts =
+            if numberInGroup == 0 then
+                List.map
+                    (\( instance, x ) ->
+                        ( instance
+                        , lefts
+                            |> List.Extra.elemIndex ( instance, x )
+                            |> Maybe.withDefault 0
+                        )
+                    )
+                    lefts
+            else
+                lefts
+
+        fixedNumberInGroup =
+            fixedLefts
+                |> List.map (\( _, left ) -> left)
+                |> List.maximum
+                |> Maybe.withDefault 1
+    in
+        div
+            [ style
+                [ ( "display", "flex" )
+                ]
+            ]
+            (List.map (\instance -> eventInstanceBlock offset fixedNumberInGroup instance) fixedLefts)
+
+
+eventInstanceBlock : Int -> Int -> ( EventInstance, Int ) -> Html Msg
+eventInstanceBlock offset numberInGroup ( eventInstance, lefts ) =
+    let
+        length =
+            (toFloat (Date.Extra.diff Date.Extra.Minute eventInstance.from eventInstance.to)) / 15
+
+        height =
+            (toString (length * toFloat blockHeight)) ++ "px"
+
+        hourInMinutes =
+            (Date.hour eventInstance.from) * 60
+
+        minutes =
+            Date.minute eventInstance.from
+
+        topOffset =
+            ((((toFloat (hourInMinutes + minutes)) / 60)
+                - (toFloat offset)
+             )
+                * 4.0
+                * (toFloat blockHeight)
+            )
+                + (toFloat headerHeight)
+
+        width =
+            100 / (toFloat (numberInGroup + 1))
+    in
+        a
+            [ classList
+                [ ( "event", True )
+                , ( "event-in-dayview", True )
+                ]
+            , style
+                [ ( "height", height )
+                , ( "width", (toString width) ++ "%" )
+                , ( "top", (toString topOffset) ++ "px" )
+                , ( "left", (toString (toFloat (lefts) * width)) ++ "%" )
+                , ( "background-color", eventInstance.backgroundColor )
+                , ( "color", eventInstance.forgroundColor )
+                ]
+            , href <| routeToString <| EventRoute eventInstance.eventSlug
+            ]
+            [ p [] [ text ((Date.Extra.toFormattedString "HH:mm" eventInstance.from) ++ " " ++ eventInstance.title) ]
+            ]
+
+
+gutter : List Date -> Html Msg
+gutter hours =
+    div
+        [ classList
+            [ ( "col-sm-1", True )
+            , ( "day-view-gutter", True )
+            ]
+        ]
+        ([ div [ style [ ( "height", px headerHeight ) ] ]
+            [ text ""
+            ]
+         ]
+            ++ (List.map gutterHour hours)
+        )
+
+
+gutterHour : Date -> Html Msg
+gutterHour date =
+    let
+        textToShow =
+            case Date.minute date of
+                0 ->
+                    (Date.Extra.toFormattedString "HH:mm" date)
+
+                30 ->
+                    (Date.Extra.toFormattedString "HH:mm" date)
+
+                _ ->
+                    ""
+    in
+        div [ style [ ( "height", px blockHeight ) ] ]
+            [ text textToShow
+            ]

schedule/src/Views/EventDetail.elm

@@ -0,0 +1,208 @@
+module Views.EventDetail exposing (eventDetailView)
+
+-- Local modules
+
+import Messages exposing (Msg(..))
+import Models exposing (..)
+import Routing exposing (routeToString)
+
+
+-- Core modules
+
+import Date
+
+
+-- External modules
+
+import Html exposing (Html, text, div, ul, li, span, i, h3, h4, a, p, hr, strong)
+import Html.Attributes exposing (class, classList, href)
+import Html.Events exposing (onClick)
+import Markdown
+import Date.Extra
+
+
+eventDetailView : EventSlug -> Model -> Html Msg
+eventDetailView eventSlug model =
+    let
+        event =
+            model.events
+                |> List.filter (\e -> e.slug == eventSlug)
+                |> List.head
+    in
+        case event of
+            Just event ->
+                div [ class "row" ]
+                    [ eventDetailContent event
+                    , eventDetailSidebar event model
+                    ]
+
+            Nothing ->
+                div [ class "row" ]
+                    [ h4 [] [ text "Event not found." ]
+                    , a [ href "#" ] [ text "Click here to go the schedule overview." ]
+                    ]
+
+
+eventDetailContent : Event -> Html Msg
+eventDetailContent event =
+    div [ class "col-sm-9" ]
+        [ a [ onClick BackInHistory, classList [ ( "btn", True ), ( "btn-default", True ) ] ]
+            [ i [ classList [ ( "fa", True ), ( "fa-chevron-left", True ) ] ] []
+            , text " Back"
+            ]
+        , h3 [] [ text event.title ]
+        , div [] [ Markdown.toHtml [] event.abstract ]
+        ]
+
+
+getSpeakersFromSlugs : List Speaker -> List SpeakerSlug -> List Speaker -> List Speaker
+getSpeakersFromSlugs speakers slugs collectedSpeakers =
+    case speakers of
+        [] ->
+            collectedSpeakers
+
+        speaker :: rest ->
+            let
+                foundSlug =
+                    slugs
+                        |> List.filter (\slug -> slug == speaker.slug)
+                        |> List.head
+
+                foundSpeaker =
+                    case foundSlug of
+                        Just slug ->
+                            [ speaker ]
+
+                        Nothing ->
+                            []
+
+                newSlugs =
+                    case foundSlug of
+                        Just slug ->
+                            List.filter (\x -> x /= slug) slugs
+
+                        Nothing ->
+                            slugs
+
+                newCollectedSpeakers =
+                    collectedSpeakers ++ foundSpeaker
+            in
+                case slugs of
+                    [] ->
+                        collectedSpeakers
+
+                    _ ->
+                        getSpeakersFromSlugs rest newSlugs newCollectedSpeakers
+
+
+eventDetailSidebar : Event -> Model -> Html Msg
+eventDetailSidebar event model =
+    let
+        videoRecordingLink =
+            case event.videoUrl of
+                Nothing ->
+                    []
+
+                Just url ->
+                    [ a [ href url, classList [ ( "btn", True ), ( "btn-success", True ) ] ]
+                        [ i [ classList [ ( "fa", True ), ( "fa-film", True ) ] ] []
+                        , text " Watch recording here!"
+                        ]
+                    ]
+
+        eventInstances =
+            List.filter (\instance -> instance.eventSlug == event.slug) model.eventInstances
+
+        speakers =
+            getSpeakersFromSlugs model.speakers event.speakerSlugs []
+    in
+        div
+            [ classList
+                [ ( "col-sm-3", True )
+                , ( "schedule-sidebar", True )
+                , ( "sticky", True )
+                ]
+            ]
+            (videoRecordingLink
+                ++ [ speakerSidebar speakers
+                   , eventMetaDataSidebar event
+                   , eventInstancesSidebar eventInstances
+                   ]
+            )
+
+
+eventMetaDataSidebar : Event -> Html Msg
+eventMetaDataSidebar event =
+    let
+        ( showVideoRecoring, videoRecording ) =
+            case event.videoState of
+                "to-be-recorded" ->
+                    ( True, "Yes" )
+
+                "not-to-be-recorded" ->
+                    ( True, "No" )
+
+                _ ->
+                    ( False, "" )
+    in
+        div []
+            [ h4 [] [ text "Metadata" ]
+            , ul []
+                ([ li [] [ strong [] [ text "Type: " ], text event.eventType ]
+                 ]
+                    ++ (case showVideoRecoring of
+                            True ->
+                                [ li [] [ strong [] [ text "Recording: " ], text videoRecording ] ]
+
+                            False ->
+                                []
+                       )
+                )
+            ]
+
+
+speakerSidebar : List Speaker -> Html Msg
+speakerSidebar speakers =
+    div []
+        [ h4 []
+            [ text "Speakers" ]
+        , ul
+            []
+            (List.map speakerDetail speakers)
+        ]
+
+
+speakerDetail : Speaker -> Html Msg
+speakerDetail speaker =
+    li []
+        [ a [ href <| routeToString <| SpeakerRoute speaker.slug ] [ text speaker.name ]
+        ]
+
+
+eventInstancesSidebar : List EventInstance -> Html Msg
+eventInstancesSidebar eventInstances =
+    div []
+        [ h4 []
+            [ text "This event will occur at:" ]
+        , ul
+            []
+            (List.map eventInstanceItem eventInstances)
+        ]
+
+
+eventInstanceItem : EventInstance -> Html Msg
+eventInstanceItem eventInstance =
+    let
+        toFormat =
+            if Date.day eventInstance.from == Date.day eventInstance.to then
+                "HH:mm"
+            else
+                "E HH:mm"
+    in
+        li []
+            [ text
+                ((Date.Extra.toFormattedString "E HH:mm" eventInstance.from)
+                    ++ " to "
+                    ++ (Date.Extra.toFormattedString toFormat eventInstance.to)
+                )
+            ]

schedule/src/Views/FilterView.elm

@@ -0,0 +1,367 @@
+module Views.FilterView exposing (filterSidebar, applyFilters, parseFilterFromQuery, filterToQuery, maybeFilteredOverviewRoute)
+
+-- Local modules
+
+import Messages exposing (Msg(..))
+import Models exposing (Model, EventInstance, Filter, Day, FilterQuery, Route(OverviewRoute, OverviewFilteredRoute), FilterType(..), unpackFilterType, getSlugFromFilterType)
+import Routing exposing (routeToString)
+
+
+-- Core modules
+
+import Regex
+
+
+-- External modules
+
+import Html exposing (Html, text, div, ul, li, span, i, h4, small, a)
+import Html.Attributes exposing (class, classList, style, href)
+import Html.Events exposing (onClick)
+import Date.Extra exposing (Interval(..), equalBy)
+
+
+applyFilters : Day -> Model -> List EventInstance
+applyFilters day model =
+    let
+        slugs default filters =
+            List.map getSlugFromFilterType
+                (if List.isEmpty filters then
+                    default
+                 else
+                    filters
+                )
+
+        types =
+            slugs model.eventTypes model.filter.eventTypes
+
+        locations =
+            slugs model.eventLocations model.filter.eventLocations
+
+        videoFilters =
+            slugs videoRecordingFilters model.filter.videoRecording
+
+        filteredEventInstances =
+            List.filter
+                (\eventInstance ->
+                    (Date.Extra.equalBy Month eventInstance.from day.date)
+                        && (Date.Extra.equalBy Date.Extra.Day eventInstance.from day.date)
+                        && List.member eventInstance.location locations
+                        && List.member eventInstance.eventType types
+                        && List.member eventInstance.videoState videoFilters
+                )
+                model.eventInstances
+    in
+        filteredEventInstances
+
+
+filterSidebar : Model -> Html Msg
+filterSidebar model =
+    div
+        [ classList
+            [ ( "col-sm-3", True )
+            , ( "col-sm-push-9", True )
+            , ( "schedule-filter", True )
+            ]
+        ]
+        [ h4 [] [ text "Filter" ]
+        , div [ class "form-group" ]
+            [ filterView
+                "Type"
+                model.eventTypes
+                model.filter.eventTypes
+                model.eventInstances
+                .eventType
+            , filterView
+                "Location"
+                model.eventLocations
+                model.filter.eventLocations
+                model.eventInstances
+                .location
+            , filterView
+                "Video"
+                videoRecordingFilters
+                model.filter.videoRecording
+                model.eventInstances
+                .videoState
+            ]
+        , icsButton model
+        ]
+
+
+icsButton : Model -> Html Msg
+icsButton model =
+    let
+        filterString =
+            case filterToString model.filter of
+                "" ->
+                    ""
+
+                filter ->
+                    "?" ++ filter
+
+        icsURL =
+            model.flags.ics_button_href ++ filterString
+    in
+        a
+            [ classList
+                [ ( "btn", True )
+                , ( "btn-default", True )
+                ]
+            , href <| icsURL
+            ]
+            [ i [ classList [ ( "fa", True ), ( "fa-calendar", True ) ] ]
+                []
+            , text " ICS file with these filters"
+            ]
+
+
+videoRecordingFilters : List FilterType
+videoRecordingFilters =
+    [ VideoFilter "Will not be recorded" "not-to-be-recorded"
+    , VideoFilter "Will be recorded" "to-be-recorded"
+    , VideoFilter "Has recording" "has-recording"
+    ]
+
+
+filterView :
+    String
+    -> List FilterType
+    -> List FilterType
+    -> List EventInstance
+    -> (EventInstance -> String)
+    -> Html Msg
+filterView name possibleFilters currentFilters eventInstances slugLike =
+    div []
+        [ text (name ++ ":")
+        , ul []
+            (possibleFilters
+                |> List.map
+                    (\filter ->
+                        filterChoiceView
+                            filter
+                            currentFilters
+                            eventInstances
+                            slugLike
+                    )
+            )
+        ]
+
+
+filterChoiceView :
+    FilterType
+    -> List FilterType
+    -> List EventInstance
+    -> (EventInstance -> String)
+    -> Html Msg
+filterChoiceView filter currentFilters eventInstances slugLike =
+    let
+        active =
+            List.member filter currentFilters
+
+        notActive =
+            not active
+
+        ( name, slug ) =
+            unpackFilterType filter
+
+        eventInstanceCount =
+            eventInstances
+                |> List.filter (\eventInstance -> slugLike eventInstance == slug)
+                |> List.length
+
+        buttonStyle =
+            case filter of
+                TypeFilter _ _ color lightText ->
+                    [ style
+                        [ ( "backgroundColor", color )
+                        , ( "color"
+                          , if lightText then
+                                "#fff"
+                            else
+                                "#000"
+                          )
+                        , ( "border", "1px solid black" )
+                        , ( "margin-bottom", "2px" )
+                        ]
+                    ]
+
+                _ ->
+                    []
+
+        locationIcon =
+            case filter of
+                LocationFilter _ _ icon ->
+                    [ i
+                        [ classList
+                            [ ( "fa", True )
+                            , ( "fa-" ++ icon, True )
+                            , ( "pull-right", True )
+                            ]
+                        ]
+                        []
+                    ]
+
+                _ ->
+                    []
+
+        videoIcon =
+            case filter of
+                VideoFilter _ slug ->
+                    let
+                        icon =
+                            case slug of
+                                "has-recording" ->
+                                    "film"
+
+                                "to-be-recorded" ->
+                                    "video-camera"
+
+                                "not-to-be-recorded" ->
+                                    "ban"
+
+                                _ ->
+                                    ""
+                    in
+                        [ i
+                            [ classList
+                                [ ( "fa", True )
+                                , ( "fa-" ++ icon, True )
+                                , ( "pull-right", True )
+                                ]
+                            ]
+                            []
+                        ]
+
+                _ ->
+                    []
+    in
+        li
+            []
+            [ div
+                ([ classList
+                    [ ( "btn", True )
+                    , ( "btn-default", True )
+                    , ( "filter-choice-active", active )
+                    ]
+                 , onClick (ToggleFilter filter)
+                 ]
+                    ++ buttonStyle
+                )
+                [ span []
+                    ([ span [ classList [ ( "pull-left", True ) ] ]
+                        [ i
+                            [ classList
+                                [ ( "fa", True )
+                                , ( "fa-minus", active )
+                                , ( "fa-plus", notActive )
+                                ]
+                            ]
+                            []
+                        , text (" " ++ name)
+                        , small [] [ text <| " (" ++ (toString eventInstanceCount) ++ ")" ]
+                        ]
+                     ]
+                        ++ locationIcon
+                        ++ videoIcon
+                    )
+                ]
+            ]
+
+
+findFilter : List FilterType -> String -> Maybe FilterType
+findFilter modelItems filterSlug =
+    List.head
+        (List.filter
+            (\x ->
+                let
+                    ( _, slug ) =
+                        unpackFilterType x
+                in
+                    slug == filterSlug
+            )
+            modelItems
+        )
+
+
+getFilter : String -> List FilterType -> String -> List FilterType
+getFilter filterType modelItems query =
+    let
+        filterMatch =
+            query
+                |> Regex.find (Regex.AtMost 1) (Regex.regex (filterType ++ "=([\\w,_-]+)&*"))
+                |> List.concatMap .submatches
+                |> List.head
+                |> Maybe.withDefault Nothing
+                |> Maybe.withDefault ""
+
+        filterSlugs =
+            String.split "," filterMatch
+    in
+        List.filterMap (\x -> findFilter modelItems x) filterSlugs
+
+
+parseFilterFromQuery : FilterQuery -> Model -> Filter
+parseFilterFromQuery query model =
+    let
+        types =
+            getFilter "type" model.eventTypes query
+
+        locations =
+            getFilter "location" model.eventLocations query
+
+        videoFilters =
+            getFilter "video" videoRecordingFilters query
+    in
+        { eventTypes = types
+        , eventLocations = locations
+        , videoRecording = videoFilters
+        }
+
+
+filterToString : Filter -> String
+filterToString filter =
+    let
+        typePart =
+            case String.join "," (List.map getSlugFromFilterType filter.eventTypes) of
+                "" ->
+                    ""
+
+                types ->
+                    "type=" ++ types
+
+        locationPart =
+            case String.join "," (List.map getSlugFromFilterType filter.eventLocations) of
+                "" ->
+                    ""
+
+                locations ->
+                    "location=" ++ locations
+
+        videoPart =
+            case String.join "," (List.map getSlugFromFilterType filter.videoRecording) of
+                "" ->
+                    ""
+
+                video ->
+                    "video=" ++ video
+    in
+        String.join "&" (List.filter (\x -> x /= "") [ typePart, locationPart, videoPart ])
+
+
+filterToQuery : Filter -> FilterQuery
+filterToQuery filter =
+    let
+        result =
+            filterToString filter
+    in
+        routeToString <| OverviewFilteredRoute result
+
+
+maybeFilteredOverviewRoute : Model -> Route
+maybeFilteredOverviewRoute model =
+    case filterToString model.filter of
+        "" ->
+            OverviewRoute
+
+        query ->
+            OverviewFilteredRoute query

schedule/src/Views/ScheduleOverview.elm

@@ -0,0 +1,104 @@
+module Views.ScheduleOverview exposing (scheduleOverviewView)
+
+-- Local modules
+
+import Messages exposing (Msg(..))
+import Models exposing (Model, Day, EventInstance, Filter, Route(EventRoute))
+import Views.FilterView exposing (filterSidebar, applyFilters, parseFilterFromQuery)
+import Routing exposing (routeToString)
+
+
+-- External modules
+
+import Html exposing (Html, text, div, ul, li, span, i, h4, p, small, a)
+import Html.Lazy exposing (lazy, lazy2)
+import Html.Attributes exposing (class, classList, href, style)
+import Date.Extra
+
+
+scheduleOverviewView : Model -> Html Msg
+scheduleOverviewView model =
+    div [ class "row" ]
+        [ filterSidebar model
+        , div
+            [ classList
+                [ ( "col-sm-9", True )
+                , ( "col-sm-pull-3", True )
+                ]
+            ]
+            (List.map (\day -> lazy2 dayRowView day model) model.days)
+        ]
+
+
+dayRowView : Day -> Model -> Html Msg
+dayRowView day model =
+    let
+        filteredEventInstances =
+            applyFilters day model
+    in
+        div []
+            [ h4 []
+                [ text day.repr ]
+            , div [ class "schedule-day-row" ]
+                (List.map (lazy dayEventInstanceView) filteredEventInstances)
+            ]
+
+
+dayEventInstanceView : EventInstance -> Html Msg
+dayEventInstanceView eventInstance =
+    a
+        [ classList
+            [ ( "event", True )
+            , ( "event-in-overview", True )
+            ]
+        , href <| routeToString <| EventRoute eventInstance.eventSlug
+        , style
+            [ ( "background-color", eventInstance.backgroundColor )
+            , ( "color", eventInstance.forgroundColor )
+            ]
+        ]
+        ([ small []
+            [ text
+                ((Date.Extra.toFormattedString "HH:mm" eventInstance.from)
+                    ++ " - "
+                    ++ (Date.Extra.toFormattedString "HH:mm" eventInstance.to)
+                )
+            ]
+         ]
+            ++ (dayEventInstanceIcons eventInstance)
+            ++ [ p
+                    []
+                    [ text eventInstance.title ]
+               ]
+        )
+
+
+dayEventInstanceIcons : EventInstance -> List (Html Msg)
+dayEventInstanceIcons eventInstance =
+    let
+        videoIcon =
+            case eventInstance.videoState of
+                "has-recording" ->
+                    [ i
+                        [ classList [ ( "fa", True ), ( "fa-film", True ), ( "pull-right", True ) ] ]
+                        []
+                    ]
+
+                "to-be-recorded" ->
+                    [ i
+                        [ classList [ ( "fa", True ), ( "fa-video-camera", True ), ( "pull-right", True ) ] ]
+                        []
+                    ]
+
+                "not-to-be-recorded" ->
+                    [ i
+                        [ classList [ ( "fa", True ), ( "fa-ban", True ), ( "pull-right", True ) ] ]
+                        []
+                    ]
+
+                _ ->
+                    []
+    in
+        [ i [ classList [ ( "fa", True ), ( "fa-" ++ eventInstance.locationIcon, True ), ( "pull-right", True ) ] ] []
+        ]
+            ++ videoIcon

schedule/src/Views/SpeakerDetail.elm

@@ -0,0 +1,82 @@
+module Views.SpeakerDetail exposing (..)
+
+-- Local modules
+
+import Messages exposing (Msg(BackInHistory))
+import Models exposing (Model, SpeakerSlug, Speaker, Route(EventRoute), Event)
+import Routing exposing (routeToString)
+
+
+-- External modules
+
+import Html exposing (Html, div, text, a, i, h3, img, ul, li, p)
+import Html.Attributes exposing (classList, src, href)
+import Html.Events exposing (onClick)
+import Markdown
+
+
+speakerDetailView : SpeakerSlug -> Model -> Html Msg
+speakerDetailView speakerSlug model =
+    let
+        speaker =
+            model.speakers
+                |> List.filter (\speaker -> speaker.slug == speakerSlug)
+                |> List.head
+
+        image =
+            case speaker of
+                Just speaker ->
+                    case speaker.smallPictureUrl of
+                        Just smallPictureUrl ->
+                            [ img [ src smallPictureUrl ] [] ]
+
+                        Nothing ->
+                            []
+
+                Nothing ->
+                    []
+    in
+        case speaker of
+            Just speaker ->
+                div []
+                    ([ a [ onClick BackInHistory, classList [ ( "btn", True ), ( "btn-default", True ) ] ]
+                        [ i [ classList [ ( "fa", True ), ( "fa-chevron-left", True ) ] ] []
+                        , text " Back"
+                        ]
+                     , h3 [] [ text speaker.name ]
+                     , div [] [ Markdown.toHtml [] speaker.biography ]
+                     , speakerEvents speaker model
+                     ]
+                        ++ image
+                    )
+
+            Nothing ->
+                div [] [ text "Unknown speaker..." ]
+
+
+speakerEvents : Speaker -> Model -> Html Msg
+speakerEvents speaker model =
+    let
+        events =
+            model.events
+                |> List.filter (\event -> List.member speaker.slug event.speakerSlugs)
+    in
+        case events of
+            [] ->
+                p [] [ text "This speaker has no events!" ]
+
+            events ->
+                div []
+                    [ h3 [] [ text "Events:" ]
+                    , ul []
+                        (List.map
+                            eventItem
+                            events
+                        )
+                    ]
+
+
+eventItem : Event -> Html Msg
+eventItem event =
+    li []
+        [ a [ href <| routeToString <| EventRoute event.slug ] [ text event.title ] ]

schedule/src/WebSocketCalls.elm

@@ -0,0 +1,23 @@
+module WebSocketCalls exposing (sendInitMessage)
+
+-- Internal modules
+
+import Messages exposing (Msg)
+
+
+-- External modules
+
+import WebSocket
+import Json.Encode
+
+
+sendInitMessage : String -> String -> Cmd Msg
+sendInitMessage camp_slug scheduleServer =
+    WebSocket.send scheduleServer
+        (Json.Encode.encode 0
+            (Json.Encode.object
+                [ ( "action", Json.Encode.string "init" )
+                , ( "camp_slug", Json.Encode.string camp_slug )
+                ]
+            )
+        )

src/bornhack/urls.py

@@ -127,16 +127,16 @@ urlpatterns = [
 
             url(
                 r'^program/', include([
-                    url(
-                        r'^(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})/$',
-                        ScheduleView.as_view(),
-                        name='schedule_day'
-                    ),
                     url(
                         r'^$',
                         ScheduleView.as_view(),
                         name='schedule_index'
                     ),
+                    url(
+                        r'^noscript/$',
+                        NoScriptScheduleView.as_view(),
+                        name='noscript_schedule_index'
+                    ),
                     url(
                         r'^ics/', ICSView.as_view(), name="ics_view"
                     ),

src/program/consumers.py

@@ -1,7 +1,7 @@
 from channels.generic.websockets import JsonWebsocketConsumer
 
 from camps.models import Camp
-from .models import EventInstance, Favorite
+from .models import Event, EventInstance, Favorite, EventLocation, EventType, Speaker
 
 
 class ScheduleConsumer(JsonWebsocketConsumer):
@@ -10,34 +10,52 @@ class ScheduleConsumer(JsonWebsocketConsumer):
     def connection_groups(self, **kwargs):
         return ['schedule_users']
 
-    def connect(self, message, **kwargs):
-        camp_slug = message.http_session['campslug']
-        try:
-            camp = Camp.objects.get(slug=camp_slug)
-            days = list(map(
-                lambda day:
-                    { 'repr': day.lower.strftime('%A %Y-%m-%d')
-                    , 'iso': day.lower.strftime('%Y-%m-%d')
-                    , 'day_name': day.lower.strftime('%A')
-                    },
-                camp.get_days('camp')
-            ))
-            event_instances_query_set = EventInstance.objects.filter(event__camp=camp)
-            event_instances = list(map(lambda x: x.to_json(user=message.user), event_instances_query_set))
-            self.send({
-                "accept": True,
-                "event_instances": event_instances,
-                "days": days,
-                "action": "init"
-            })
-        except Camp.DoesNotExist:
-            pass
-
     def raw_receive(self, message, **kwargs):
         content = self.decode_json(message['text'])
         action = content.get('action')
         data = {}
 
+        if action == 'init':
+            camp_slug = content.get('camp_slug')
+            try:
+                camp = Camp.objects.get(slug=camp_slug)
+                days = list(map(
+                    lambda day:
+                        {
+                            'repr': day.lower.strftime('%A %Y-%m-%d'),
+                            'iso': day.lower.strftime('%Y-%m-%d'),
+                            'day_name': day.lower.strftime('%A'),
+                        },
+                    camp.get_days('camp')
+                ))
+
+                events_query_set = Event.objects.filter(camp=camp)
+                events = list([x.serialize() for x in events_query_set])
+
+                event_instances_query_set = EventInstance.objects.filter(event__camp=camp)
+                event_instances = list([x.serialize(user=message.user) for x in event_instances_query_set])
+
+                event_locations_query_set = EventLocation.objects.filter(camp=camp)
+                event_locations = list([x.serialize() for x in event_locations_query_set])
+
+                event_types_query_set = EventType.objects.filter()
+                event_types = list([x.serialize() for x in event_types_query_set])
+
+                speakers_query_set = Speaker.objects.filter(camp=camp)
+                speakers = list([x.serialize() for x in speakers_query_set])
+
+                data = {
+                    "action": "init",
+                    "events": events,
+                    "event_instances": event_instances,
+                    "event_locations": event_locations,
+                    "event_types": event_types,
+                    "speakers": speakers,
+                    "days": days,
+                }
+            except Camp.DoesNotExist:
+                pass
+
         if action == 'favorite':
             event_instance_id = content.get('event_instance_id')
             event_instance = EventInstance.objects.get(id=event_instance_id)
@@ -52,7 +70,8 @@ class ScheduleConsumer(JsonWebsocketConsumer):
             favorite = Favorite.objects.get(event_instance=event_instance, user=message.user)
             favorite.delete()
 
-        self.send(data)
+        if data:
+            self.send(data)
 
     def disconnect(self, message, **kwargs):
         pass

src/program/models.py

@@ -14,6 +14,8 @@ from django.dispatch import receiver
 from django.utils.text import slugify
 from django.conf import settings
 from django.core.urlresolvers import reverse_lazy
+from django.core.exceptions import ValidationError
+from django.core.urlresolvers import reverse_lazy, reverse
 from django.core.files.storage import FileSystemStorage
 from django.urls import reverse
 from django.apps import apps
@@ -311,6 +313,13 @@ class EventLocation(CampRelatedModel):
     class Meta:
         unique_together = (('camp', 'slug'), ('camp', 'name'))
 
+    def serialize(self):
+        return {
+            "name": self.name,
+            "slug": self.slug,
+            "icon": self.icon,
+        }
+
 
 class EventType(CreatedUpdatedModel):
     """ Every event needs to have a type. """
@@ -350,6 +359,14 @@ class EventType(CreatedUpdatedModel):
     def __str__(self):
         return self.name
 
+    def serialize(self):
+        return {
+            "name": self.name,
+            "slug": self.slug,
+            "color": self.color,
+            "light_text": self.light_text,
+        }
+
 
 class Event(CampRelatedModel):
     """ Something that is on the program one or more times. """
@@ -413,6 +430,30 @@ class Event(CampRelatedModel):
     def get_absolute_url(self):
         return reverse_lazy('event_detail', kwargs={'camp_slug': self.camp.slug, 'slug': self.slug})
 
+    def serialize(self):
+        data = {
+            'title': self.title,
+            'slug': self.slug,
+            'abstract': self.abstract,
+            'speaker_slugs': [
+                speaker.slug
+                for speaker in self.speakers.all()
+            ],
+            'event_type': self.event_type.name,
+        }
+
+        if self.video_url:
+            video_state = 'has-recording'
+            data['video_url'] = self.video_url
+        elif self.video_recording:
+            video_state = 'to-be-recorded'
+        elif not self.video_recording:
+            video_state = 'not-to-be-recorded'
+
+        data['video_state'] = video_state
+
+        return data
+
 
 class EventInstance(CampRelatedModel):
     """ An instance of an event """
@@ -475,35 +516,32 @@ class EventInstance(CampRelatedModel):
         ievent['location'] = icalendar.vText(self.location.name)
         return ievent
 
-    def to_json(self, user=None):
-        parser = CommonMark.Parser()
-        renderer = CommonMark.HtmlRenderer()
-        ast = parser.parse(self.event.abstract)
-        abstract = renderer.render(ast)
-
+    def serialize(self, user=None):
         data = {
             'title': self.event.title,
+            'slug': self.event.slug + '-' + str(self.id),
             'event_slug': self.event.slug,
-            'abstract': abstract,
             'from': self.when.lower.astimezone().isoformat(),
             'to': self.when.upper.astimezone().isoformat(),
             'url': str(self.event.get_absolute_url()),
             'id': self.id,
-            'speakers': [
-                {'name': speaker.name, 'url': str(speaker.get_absolute_url())}
-                for speaker in self.event.speakers.all()
-            ],
             'bg-color': self.event.event_type.color,
             'fg-color': '#fff' if self.event.event_type.light_text else '#000',
             'event_type': self.event.event_type.slug,
             'location': self.location.slug,
             'location_icon': self.location.icon,
             'timeslots': self.timeslots,
-            'video_recording': self.event.video_recording,
         }
 
         if self.event.video_url:
+            video_state = 'has-recording'
             data['video_url'] = self.event.video_url
+        elif self.event.video_recording:
+            video_state = 'to-be-recorded'
+        elif not self.event.video_recording:
+            video_state = 'not-to-be-recorded'
+
+        data['video_state'] = video_state
 
         if user and user.is_authenticated:
             is_favorited = user.favorites.filter(event_instance=self).exists()
@@ -589,6 +627,29 @@ class Speaker(CampRelatedModel):
     def get_absolute_url(self):
         return reverse_lazy('speaker_detail', kwargs={'camp_slug': self.camp.slug, 'slug': self.slug})
 
+    def get_picture_url(self, size):
+        return reverse('speaker_picture', kwargs={'camp_slug': self.camp.slug, 'slug': self.slug, 'picture': size})
+
+    def get_small_picture_url(self):
+        return self.get_picture_url('thumbnail')
+
+    def get_large_picture_url(self):
+        return self.get_picture_url('large')
+
+
+    def serialize(self):
+        data = {
+            'name': self.name,
+            'slug': self.slug,
+            'biography': self.biography,
+        }
+
+        if self.picture_small and self.picture_large:
+            data['large_picture_url'] = self.get_large_picture_url()
+            data['small_picture_url'] = self.get_small_picture_url()
+
+        return data
+
 
 class Favorite(models.Model):
     user = models.ForeignKey('auth.User', related_name='favorites')

src/program/static/js/event_instance_websocket.js

@@ -1,552 +0,0 @@
-const webSocketBridge = new channels.WebSocketBridge();
-var modals = {};
-var EVENT_INSTANCES = [], DAYS = [], CONFIG = {};
-
-function toggleFavoriteButton(button) {
-    if(button.getAttribute('data-state') == 'true') {
-        favorite_button.classList.remove('btn-success');
-        favorite_button.classList.add('btn-danger');
-        favorite_button.innerHTML = '<i class="fa fa-minus"></i> Remove favorite';
-
-        favorite_button.onclick = function(e) {
-            button.setAttribute('data-state', 'false')
-            webSocketBridge.send({action: 'unfavorite', event_instance_id: event_instance_id});
-            toggleFavoriteButton(button)
-        }
-    } else {
-        favorite_button.classList.remove('btn-danger');
-        favorite_button.classList.add('btn-success');
-        favorite_button.innerHTML = '<i class="fa fa-star"></i> Favorite';
-
-        favorite_button.onclick = function(e) {
-            button.setAttribute('data-state', 'true')
-            webSocketBridge.send({action: 'favorite', event_instance_id: event_instance_id});
-            toggleFavoriteButton(button)
-        }
-
-    }
-}
-
-function setup_websocket() {
-  webSocketBridge.connect('/schedule/');
-  webSocketBridge.listen(function(payload, stream) {
-      if(payload['action'] == 'init') {
-        EVENT_INSTANCES = payload['event_instances'];
-        DAYS = payload['days'];
-        render();
-      }
-  });
-}
-
-function init(config) {
-    CONFIG = config;
-    setup_websocket();
-    render();
-}
-
-function findGetParameter(parameterName) {
-    var result = null,
-        tmp = [];
-    location.search
-      .substr(1)
-      .split("&")
-      .forEach(function (item) {
-        tmp = item.split("=");
-        if (tmp[0] === parameterName) {
-           result = decodeURIComponent(tmp[1]);
-        }
-      });
-    return result;
-}
-
-function get_parameters() {
-
-    var day_parameter = findGetParameter('day');
-    var filter_day = day_parameter != null ? day_parameter.split(',') : [];
-    var type_parameter = findGetParameter('type');
-    var filter_types = type_parameter != null ? type_parameter.split(',') : [];
-    var location_parameter = findGetParameter('location')
-    var filter_locations =  location_parameter != null ? location_parameter.split(',') : [];
-
-    return {
-      'day': filter_day[0],
-      'types': filter_types,
-      'locations': filter_locations
-    }
-}
-
-function render() {
-    parameters = get_parameters();
-    toggleFilterBoxes(parameters['types'], parameters['locations']);
-    render_day_menu(parameters['day']);
-    setICSButtonHref(location.search);
-
-    if(parameters['day'] != null) {
-      render_day(parameters['types'], parameters['locations'], parameters['day']);
-    } else {
-      render_schedule(parameters['types'], parameters['locations']);
-    }
-}
-
-function render_day_menu(active_iso) {
-  var container = document.getElementById('schedule-days');
-  container.innerHTML = '';
-
-  var mobile_container = document.getElementById('schedule-days-mobile');
-  mobile_container.innerHTML = '';
-
-  function set_btn_type(classList, primary) {
-    if(primary == true) {
-      classList.add('btn-primary');
-    } else {
-      classList.add('btn-default');
-    }
-  }
-
-  function dayEvent(e) {
-    setHistoryState({
-      'day': this.dataset.iso
-    });
-    render();
-  }
-
-  var all_days = document.createElement('a');
-  all_days.classList.add('btn');
-  set_btn_type(all_days.classList, active_iso == null);
-  all_days.innerHTML = 'All days';
-  all_days.dataset.iso = 'all-days';
-  all_days.addEventListener('click', dayEvent);
-  container.appendChild(all_days);
-
-  all_days_mobile = all_days.cloneNode(true);
-  all_days_mobile.addEventListener('click', dayEvent);
-  mobile_container.appendChild(all_days_mobile);
-
-  for(var day_id in DAYS) {
-    var day_link = document.createElement('a');
-    day_link.classList.add('btn');
-    set_btn_type(day_link.classList, DAYS[day_id]['iso'] == active_iso);
-    day_link.dataset.iso = DAYS[day_id]['iso'];
-    day_link.innerHTML = DAYS[day_id]['day_name'];
-
-    day_link.addEventListener('click', dayEvent);
-    container.appendChild(day_link);
-
-    day_link_mobile = day_link.cloneNode(true);
-    day_link_mobile.addEventListener('click', dayEvent);
-    mobile_container.appendChild(day_link_mobile);
-  }
-}
-
-function render_day(types, locations, day) {
-
-  function hoursTohhmm(hours){
-    var hour = Math.floor(Math.abs(hours));
-    var minutes = Math.floor((Math.abs(hours) * 60) % 60);
-    if(hour > 24) {
-      hour = hour - 24;
-    }
-    return (hour < 10 ? "0" : "") + hour + ":" + (minutes < 10 ? "0" : "") + minutes;
-  }
-
-  var event_instances = get_instances(types, locations, day);
-  var schedule_container = document.getElementById('schedule-container');
-  schedule_container.innerHTML = '';
-
-  var day_table = document.createElement('table');
-  schedule_container.appendChild(day_table);
-  day_table.classList.add('table');
-  day_table.classList.add('day-table');
-  day_table_body = document.createElement('tbody');
-  day_table.appendChild(day_table_body);
-
-  var array_length = (24*60)/CONFIG['schedule_timeslot_length_minutes'];
-  var timeslots_ = Array(array_length);
-  var timeslots = [];
-  for(var i=0; i<timeslots_.length; i++) {
-    timeslots.push(
-        { 'offset': i * CONFIG['schedule_timeslot_length_minutes']
-        , 'minutes_since_midnight': (CONFIG['schedule_midnight_offset_hours'] * 60) + (i * CONFIG['schedule_timeslot_length_minutes'])
-        }
-    );
-  }
-
-  var timeslot_trs = {};
-  for(var timeslots_index in timeslots) {
-    var timeslot_tr = document.createElement('tr');
-    day_table_body.appendChild(timeslot_tr);
-    var timeslot_td = document.createElement('td');
-    timeslot_tr.appendChild(timeslot_td);
-
-    var minutes_since_midnight = timeslots[timeslots_index]['minutes_since_midnight'];
-    if(minutes_since_midnight / 60 % 1 == 0) {
-      timeslot_td.innerHTML = hoursTohhmm(minutes_since_midnight / 60);
-    }
-    timeslot_trs[hoursTohhmm(minutes_since_midnight / 60)] = timeslot_tr;
-  }
-  for(var event_instances_index in event_instances) {
-    var event_instance = event_instances[event_instances_index];
-    var event_instance_td = document.createElement('td');
-    event_instance_td.innerHTML = event_instance['title'];
-    event_instance_td.setAttribute('rowspan', event_instance['timeslots']);
-    event_instance_td.classList.add('event-td');
-    event_instance_td.setAttribute(
-        'style',
-        'background-color: ' + event_instance['bg-color'] +
-        '; color: ' + event_instance['fg-color']);
-    event_instance_td.onclick = openModal
-    event_instance_td.dataset.eventInstanceId = event_instance['id'];
-
-    var timeslot_tr = timeslot_trs[event_instance.from.slice(11, 16)];
-
-    timeslot_tr.appendChild(event_instance_td);
-  }
-}
-
-function render_schedule(types, locations) {
-  var event_instances = get_instances(types, locations);
-  var schedule_container = document.getElementById('schedule-container');
-  schedule_container.innerHTML = "";
-
-  var cloned_days = DAYS.slice(0);
-
-  var rendered_days = cloned_days.map(function(day) {
-    day_event_instances = event_instances.slice(0).filter(
-      function(event_instance) {
-        var event_day = event_instance['from'].slice(0, 10);
-        return event_day == day['iso'];
-      }
-    );
-    return render_schedule_day(day, day_event_instances);
-  });
-
-  for(day_id in rendered_days) {
-    schedule_container.appendChild(rendered_days[day_id]['label']);
-    schedule_container.appendChild(rendered_days[day_id]['element']);
-  }
-}
-
-function render_schedule_day(day, event_instances) {
-    var element = document.createElement('div');
-    element.classList.add('schedule-day-row');
-    var day_label = document.createElement('h4');
-    day_label.innerHTML = day['repr'];
-    element.appendChild(day_label);
-    for(event_instance_id in event_instances) {
-      var event_instance = event_instances[event_instance_id];
-      var rendered_event_instance = render_event_instance(event_instance);
-      element.appendChild(rendered_event_instance);
-    }
-    return {"label": day_label, "element": element};
-}
-
-function render_event_instance(event_instance) {
-    var element = document.createElement('a');
-    element.setAttribute(
-        'style',
-        'background-color: ' + event_instance['bg-color'] +
-        '; color: ' + event_instance['fg-color']);
-    element.classList.add('event');
-    element.setAttribute('href', event_instance['url']);
-    element.dataset.eventInstanceId = event_instance['id'];
-
-    time_element = document.createElement('small');
-    time_element.innerHTML = event_instance.from.slice(11, 16) + " - " + event_instance.to.slice(11, 16);
-
-    title_element = document.createElement('p');
-    title_element.innerHTML = event_instance['title'];
-
-    icon_element = document.createElement('i');
-    icon_element.classList.add('fa-' + event_instance['location_icon']);
-    icon_element.classList.add('fa');
-    icon_element.classList.add('pull-right');
-
-    if(event_instance['video_url'] != undefined) {
-      video_url_element = document.createElement('i');
-      video_url_element.classList.add('fa-film');
-      video_url_element.classList.add('fa');
-      video_url_element.classList.add('pull-right');
-      element.appendChild(video_url_element);
-    } else if(event_instance['video_recording'] == true) {
-      video_recording_element = document.createElement('i');
-      video_recording_element.classList.add('fa-video-camera');
-      video_recording_element.classList.add('fa');
-      video_recording_element.classList.add('pull-right');
-      element.appendChild(video_recording_element);
-    }
-
-    element.appendChild(time_element);
-    element.appendChild(icon_element);
-    element.appendChild(title_element);
-
-    element.onclick = openModal
-
-    return element
-}
-
-function get_instances(types, locations, day) {
-  var event_instances = EVENT_INSTANCES.slice(0);
-  if(day != undefined && day != null) {
-    event_instances = event_instances.filter(
-      function(event_instance) {
-        return event_instance.from.slice(0, 10) == day;
-      }
-    );
-  }
-  if(locations.length != 0) {
-    event_instances = event_instances.filter(
-      function(event_instance) {
-        return locations.includes(event_instance['location']);
-      }
-    );
-  }
-  if(types.length != 0) {
-    event_instances = event_instances.filter(
-      function(event_instance) {
-        return types.includes(event_instance['event_type']);
-      }
-    );
-  }
-  return event_instances
-}
-
-function openModal(e) {
-    e.preventDefault();
-
-    // Avoid that clicking the text in the event will bring up an empty modal
-    target = e.target;
-    if (e.target !== this) {
-        target = e.target.parentElement
-    }
-
-    event_instance_id = target.dataset.eventInstanceId;
-    event_instance = EVENT_INSTANCES.filter(
-        function(event_instance) {
-            return event_instance.id == event_instance_id
-        }
-    )[0];
-
-    modal = modals[event_instance_id];
-
-    if(modal == undefined) {
-        modal = document.createElement('div');
-        modal.classList.add('modal');
-        modal.setAttribute('tabindex', '-1');
-        modal.setAttribute('role', 'dialog');
-
-        modal_dialog = document.createElement('div');
-        modal_dialog.classList.add('modal-dialog');
-        modal.setAttribute('role', 'document');
-        modal.appendChild(modal_dialog);
-
-        modal_content = document.createElement('div');
-        modal_content.classList.add('modal-content');
-        modal_dialog.appendChild(modal_content);
-
-        modal_header = document.createElement('div');
-        modal_header.classList.add('modal-header');
-        modal_content.appendChild(modal_header);
-
-        modal_close_button = document.createElement('button');
-        modal_close_button.setAttribute('type', 'button');
-        modal_close_button.setAttribute('aria-label', 'Close');
-        modal_close_button.dataset.dismiss = 'modal';
-        modal_close_button.classList.add('close');
-        modal_close_button.innerHTML = '<span aria-hidden="true">&times;</span></button>';
-
-        modal_title = document.createElement('h4');
-        modal_title.classList.add('modal-title')
-        modal_title.innerHTML = event_instance['title'];
-
-        modal_header.appendChild(modal_close_button);
-        modal_header.appendChild(modal_title);
-
-        modal_body_content = document.createElement('div');
-        modal_body_content.classList.add('modal-body');
-        modal_body_content.classList.add('modal-body-content');
-        modal_body_content.innerHTML = event_instance['abstract'];
-        modal_content.appendChild(modal_body_content);
-
-        modal_body = document.createElement('div');
-        modal_body.classList.add('modal-body');
-        speakers_h4 = document.createElement('h4');
-        speakers_h4.innerHTML = 'Speaker(s):';
-        speakers_ul = document.createElement('ul');
-        speakers_ul.classList.add('speakers');
-
-        speakers = event_instance['speakers'];
-        for(speaker_id in speakers) {
-            var speaker = speakers[speaker_id];
-            var speaker_li = document.createElement('li');
-            var speaker_a = document.createElement('a');
-            speaker_a.setAttribute('href', speaker['url']);
-            speaker_a.appendChild(document.createTextNode(speaker['name']));
-            speaker_li.appendChild(speaker_a);
-            speakers_ul.appendChild(speaker_li);
-        }
-
-        video_recording_div = document.createElement('div');
-        video_recording_div.classList.add('alert');
-        video_recording_div.classList.add('alert-info');
-        video_recording_div.classList.add('video-recording');
-
-        if(event_instance['video_url'] != undefined) {
-          // We have an URL to the video
-          video_url_icon = document.createElement('i');
-          video_url_icon.classList.add('fa');
-          video_url_icon.classList.add('fa-film');
-          video_url_link = document.createElement('a');
-          video_url_link.setAttribute('href', event_instance['video_url']);
-          video_url_link.setAttribute('target', '_blank');
-          video_url_link.innerHTML = " Watch the video recording here!";
-
-          video_recording_div.appendChild(video_url_icon);
-          video_recording_div.appendChild(video_url_link);
-
-        } else if(event_instance['video_recording'] == true) {
-          // This instance will be recorded
-          video_notice_icon = document.createElement('i');
-          video_notice_icon.classList.add('fa');
-          video_notice_icon.classList.add('fa-camera');
-          video_notice_span = document.createElement('span');
-          video_notice_span.innerHTML = " This event will be recorded!";
-
-          video_recording_div.appendChild(video_notice_icon);
-          video_recording_div.appendChild(video_notice_span);
-        } else {
-          // This instance will NOT be recorded!
-          video_recording_element.remove();
-        }
-
-        modal_body.appendChild(speakers_h4);
-        modal_body.appendChild(speakers_ul);
-        modal_body.appendChild(video_recording_div);
-
-        modal_content.appendChild(modal_body);
-
-        modal_footer = document.createElement('div');
-        modal_footer.classList.add('modal-footer');
-        modal_content.appendChild(modal_footer);
-
-        close_button = document.createElement('button');
-        close_button.setAttribute('type', 'button');
-        close_button.classList.add('btn');
-        close_button.classList.add('btn-default');
-        close_button.classList.add('pull-left');
-        close_button.dataset.dismiss = "modal";
-        close_button.innerHTML = "Close";
-        modal_footer.appendChild(close_button);
-
-        favorite_button = document.createElement('a');
-        favorite_button.classList.add('btn');
-        favorite_button.classList.add('btn-success');
-        favorite_button.classList.add('favorite-button');
-        favorite_button.innerHTML = '<i class="fa fa-star"></i> Favorite</a>';
-        if(event_instance['is_favorited'] !== undefined) {
-            favorite_button.setAttribute('data-state', event_instance['is_favorited'])
-            toggleFavoriteButton(favorite_button);
-        } else {
-            favorite_button.remove();
-        }
-
-        modal_footer.appendChild(favorite_button);
-
-        more_button = document.createElement('a');
-        more_button.classList.add('btn');
-        more_button.classList.add('btn-info');
-        more_button.classList.add('more-button');
-        more_button.setAttribute('href', event_instance['url']);
-        more_button.innerHTML = '<i class="fa fa-info"></i> More</a>';
-        modal_footer.appendChild(more_button);
-
-        body = document.getElementsByTagName('body')[0];
-        body.appendChild(modal);
-        modal.setAttribute('id', 'event-modal-' + event_instance_id)
-        modals[event_instance_id] = modal;
-    }
-
-    $('#event-modal-' + event_instance_id).modal();
-}
-
-function init_modals(event_class_name) {
-  var event_elements = document.getElementsByClassName(event_class_name);
-
-  for (var event_id in event_elements) {
-      event_element = event_elements.item(event_id);
-      if(event_element != null) {
-        event_element.onclick = openModal
-      }
-  }
-}
-
-var filter = document.getElementById('filter')
-filter.addEventListener('change', function(e) {
-  var type_input = Array.prototype.slice.call(document.querySelectorAll('.event-type-checkbox:checked'));
-  var types = type_input.map(function(box) {
-    return box.value
-  })
-  var location_input = Array.prototype.slice.call(document.querySelectorAll('.location-checkbox:checked'));
-  var locations = location_input.map(function(box) {
-    return box.value
-  })
-
-  toggleFilterBoxes(types, locations);
-  setHistoryState({
-    'types': types,
-    'locations': locations
-  });
-  render();
-});
-
-
-function setHistoryState(parts) {
-
-  var day = parts['day'];
-  var types = parts['types'];
-  var locations = parts['locations'];
-
-  var query = '?';
-
-  day = day == undefined ? findGetParameter('day') : day;
-  if(day != null && day != 'all-days') {
-    query = query + "day=" + day + "&";
-  }
-
-  types = types == undefined ? findGetParameter('type') : types.join(',');
-  if(types != null && types.length > 0) {
-    var type_part = 'type=' + types;
-    query = query + type_part + "&";
-  }
-
-  locations = locations == undefined ? findGetParameter('location') : locations.join(',');
-  if(locations != null && locations.length > 0) {
-    var location_part = 'location=' + locations;
-    query = query + location_part;
-  }
-
-  history.replaceState({}, '', query);
-  setICSButtonHref(query);
-}
-
-function setICSButtonHref(query) {
-  // Update ICS button as well
-  var ics_button = document.querySelector('#ics-button');
-  ics_button.setAttribute('href', CONFIG['ics_button_href'] + query);
-}
-
-function toggleFilterBoxes(types, locations) {
-  var type_input = Array.prototype.slice.call(document.querySelectorAll('.event-type-checkbox'));
-  type_input.map(function(box) {
-    if(types.includes(box.value)) {
-      box.checked = true;
-    }
-    return box;
-  });
-  var location_input = Array.prototype.slice.call(document.querySelectorAll('.location-checkbox'));
-  location_input.map(function(box) {
-    if(locations.includes(box.value)) {
-      box.checked = true;
-    }
-    return box;
-  });
-}

src/program/templates/noscript_schedule_view.html

@@ -0,0 +1,39 @@
+{% extends 'program_base.html' %}
+
+{% load commonmark %}
+{% load staticfiles %}
+
+{% block program_content %}
+
+<div class="row">
+
+<table class="table">
+  <thead>
+    <th>When?</th>
+    <th>What?</th>
+    <th>Where?</th>
+  </thead>
+  <tbody>
+
+
+  {% for instance in eventinstances %}
+
+    {% ifchanged instance.when.lower.date %}
+      <tr>
+        <td colspan=3><strong>{{ instance.when.lower.date|date:"l Y-m-d" }}</strong></td>
+      </tr>
+    {% endifchanged %}
+
+    <tr>
+      <td>{{ instance.when.lower|date:"H:i" }}-{{ instance.when.upper|date:"H:i" }}</td>
+      <td><a href="{% url 'event_detail' camp_slug=camp.slug slug=instance.event.slug %}">{{ instance.event.title }}</a></td>
+      <td>{{ instance.location.name }}</td>
+    </tr>
+  {% endfor %}
+  </tbody>
+</table>
+
+
+</div>
+{% endblock %}
+

src/program/templates/schedule_event_detail.html

@@ -2,34 +2,46 @@
 {% load commonmark %}
 
 {% block program_content %}
-<div class="panel panel-default">
-    <div class="panel-heading" ><span style="font-size: x-large"><span style="background-color: {{ event.event_type.color }}; border: 0; color: {% if event.event_type.light_text %}white{% else %}black{% endif %}; display: inline-block; padding: 5px;">{{ event.event_type.name }}</span> {{ event.title }}</span></div>
-  <div class="panel-body">
-    <p>
-    {{ event.abstract|commonmark }}
-   </p>
 
-    <hr>
+<div class="row">
+  <noscript>
+    <a href="{% url "noscript_schedule_index" camp_slug=camp.slug %}" class="btn btn-primary">
+      Back to noscript schedule
+    </a>
+    <hr />
+  </noscript>
+</div>
 
-    <h4>Instances</h4>
-    <ul class="list-group">
-    {% for ei in event.instances.all %}
-      <li class="list-group-item">{{ ei.when.lower|date:"l M. d H:i" }} - {{ ei.when.upper|date:"H:i" }}</li>
-    {% empty %}
-      No instances scheduled yet
-    {% endfor %}
-    </ul>
+<div class="row">
+  <div class="panel panel-default">
+      <div class="panel-heading" ><span style="font-size: x-large"><span style="background-color: {{ event.event_type.color }}; border: 0; color: {% if event.event_type.light_text %}white{% else %}black{% endif %}; display: inline-block; padding: 5px;">{{ event.event_type.name }}</span> {{ event.title }}</span></div>
+    <div class="panel-body">
+      <p>
+      {{ event.abstract|commonmark }}
+     </p>
 
-    <hr>
+      <hr>
 
-    {% if event.speakers.exists %}
-      <h4>Speakers</h4>
-      <div class="list-group">
-      {% for speaker in event.speakers.all %}
-      <h4><a href="{% url 'speaker_detail' camp_slug=camp.slug slug=speaker.slug %}" class="list-group-item">{{ speaker.name }}</a></h4>
+      <h4>Instances</h4>
+      <ul class="list-group">
+      {% for ei in event.instances.all %}
+        <li class="list-group-item">{{ ei.when.lower|date:"l M. d H:i" }} - {{ ei.when.upper|date:"H:i" }}</li>
+      {% empty %}
+        No instances scheduled yet
       {% endfor %}
-      </div>
-    {% endif %}
+      </ul>
+
+      <hr>
+
+      {% if event.speakers.exists %}
+        <h4>Speakers</h4>
+        <div class="list-group">
+        {% for speaker in event.speakers.all %}
+        <h4><a href="{% url 'speaker_detail' camp_slug=camp.slug slug=speaker.slug %}" class="list-group-item">{{ speaker.name }}</a></h4>
+        {% endfor %}
+        </div>
+      {% endif %}
+    </div>
   </div>
 </div>
 {% endblock program_content %}

src/program/templates/schedule_overview.html

@@ -1,22 +1,44 @@
-{% extends 'schedule_base.html' %}
+{% extends 'program_base.html' %}
 
 {% load commonmark %}
 {% load staticfiles %}
 
-{% block schedule_content %}
+{% block extra_head %}
+<noscript>
+    <meta http-equiv="refresh" content="0; url={% url "noscript_schedule_index" camp_slug=camp.slug %}" />
+</noscript>
+{% endblock %}
+
+{% block program_content %}
+
+<noscript>
+    <div class="row">
+        <p>
+        No javascript? Don't worry, we have a HTML only version of the schedule! Redirecting you there now.
+        </p>
+        <p>
+        <a href="{% url "noscript_schedule_index" camp_slug=camp.slug %}">
+            Click here if you are not redirected.
+        </a>
+        </p>
+    </div>
+</noscript>
 
 <div id="schedule-container"></div>
 
-<script src="{% static "channels/js/websocketbridge.js" %}"></script>
-<script src="{% static "js/event_instance_websocket.js" %}"></script>
+<script src="{% static "js/elm_based_schedule.js" %}"></script>
 
 <script>
-init(
+var container = document.getElementById('schedule-container');
+var elm_app = Elm.Main.embed(
+    container,
     { 'schedule_timeslot_length_minutes': Number('{{ schedule_timeslot_length_minutes }}')
     , 'schedule_midnight_offset_hours': Number('{{ schedule_midnight_offset_hours }}')
     , 'ics_button_href': "{% url 'ics_view' camp_slug=camp.slug %}"
+    , 'camp_slug': "{{ camp.slug }}"
+    , 'websocket_server': "ws://" + window.location.host + "/schedule/"
     }
 );
 </script>
 
-{% endblock schedule_content %}
+{% endblock %}

src/program/views.py

@@ -11,6 +11,7 @@ from django.utils.decorators import method_decorator
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib import messages
 from django.urls import reverse
+from django.db.models import Q
 
 import icalendar
 
@@ -37,27 +38,45 @@ logger = logging.getLogger("bornhack.%s" % __name__)
 class ICSView(CampViewMixin, View):
     def get(self, request, *args, **kwargs):
         eventinstances = models.EventInstance.objects.filter(event__camp=self.camp)
-        type_ = request.GET.get('type', None)
-        location = request.GET.get('location', None)
 
-        if type_:
-            try:
-                eventtype = models.EventType.objects.get(
-                    slug=type_
-                )
-                eventinstances = eventinstances.filter(event__event_type=eventtype)
-            except models.EventType.DoesNotExist:
-                raise Http404
+        # Type query
+        type_query = request.GET.get('type', None)
+        if type_query:
+            type_slugs = type_query.split(',')
+            types = models.EventType.objects.filter(
+                slug__in=type_slugs
+            )
+            eventinstances = eventinstances.filter(event__event_type__in=types)
 
-        if location:
-            try:
-                eventlocation = models.EventLocation.objects.get(
-                    slug=location,
-                    camp=self.camp,
-                )
-                eventinstances = eventinstances.filter(location__slug=location)
-            except models.EventLocation.DoesNotExist:
-                raise Http404
+        # Location query
+        location_query = request.GET.get('location', None)
+        if location_query:
+            location_slugs = location_query.split(',')
+            locations = models.EventLocation.objects.filter(
+                slug__in=location_slugs,
+                camp=self.camp,
+            )
+            eventinstances = eventinstances.filter(location__in=locations)
+
+        # Video recording query
+        video_query = request.GET.get('video', None)
+        if video_query:
+            video_states = video_query.split(',')
+            query_kwargs = {}
+
+            if 'has-recording' in video_states:
+                query_kwargs['event__video_url__isnull'] = False
+
+            if 'to-be-recorded' in video_states:
+                query_kwargs['event__video_recording'] = True
+
+            if 'not-to-be-recorded' in video_states:
+                if 'event__video_recording' in query_kwargs:
+                    del query_kwargs['event__video_recording']
+                else:
+                    query_kwargs['event__video_recording'] = False
+
+            eventinstances = eventinstances.filter(**query_kwargs)
 
         cal = icalendar.Calendar()
         for event_instance in eventinstances:
@@ -263,57 +282,22 @@ class EventDetailView(CampViewMixin, DetailView):
 ################## schedule #############################################
 
 
+class NoScriptScheduleView(CampViewMixin, TemplateView):
+    template_name = "noscript_schedule_view.html"
+
+    def get_context_data(self, *args, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['eventinstances'] = models.EventInstance.objects.filter(event__camp=self.camp).order_by('when')
+        return context
+
+
+
 class ScheduleView(CampViewMixin, TemplateView):
-    def get_template_names(self):
-        if 'day' in self.kwargs:
-            return 'schedule_day.html'
-        return 'schedule_overview.html'
+    template_name = 'schedule_overview.html'
 
     def get_context_data(self, *args, **kwargs):
         context = super(ScheduleView, self).get_context_data(**kwargs)
-
-        # Do stuff if we are dealing with a day schedule
-        if 'day' in kwargs:
-            when = datetime.datetime(year=int(self.kwargs['year']), month=int(self.kwargs['month']), day=int(self.kwargs['day']))
-            eventinstances = models.EventInstance.objects.filter(event__in=self.camp.events.all())
-            skip = []
-            for ei in eventinstances:
-                if ei.schedule_date != when.date():
-                    skip.append(ei.id)
-                else:
-                    if 'type' in self.request.GET:
-                        eventtype = models.EventType.objects.get(
-                            slug=self.request.GET['type']
-                        )
-                        if ei.event.event_type != eventtype:
-                            skip.append(ei.id)
-            eventinstances = eventinstances.exclude(id__in=skip).order_by('event__event_type')
-            if 'location' in self.request.GET:
-                eventlocation = models.EventLocation.objects.get(
-                    camp=self.camp,
-                    slug=self.request.GET['location']
-                )
-                eventinstances = eventinstances.filter(location=eventlocation)
-
-            context['eventinstances'] = eventinstances
-
-            start = when + datetime.timedelta(hours=settings.SCHEDULE_MIDNIGHT_OFFSET_HOURS)
-            timeslots = []
-            # calculate how many timeslots we have in the schedule based on the lenght of the timeslots in minutes,
-            # and the number of minutes in 24 hours
-            for i in range(0,int((24*60)/settings.SCHEDULE_TIMESLOT_LENGTH_MINUTES)):
-                timeslot = start + datetime.timedelta(minutes=i*settings.SCHEDULE_TIMESLOT_LENGTH_MINUTES)
-                timeslots.append(timeslot)
-            context['timeslots'] = timeslots
-
-            # include the components to make the urls
-            context['urlyear'] = self.kwargs['year']
-            context['urlmonth'] = self.kwargs['month']
-            context['urlday'] = self.kwargs['day']
-
-        context['schedule_timeslot_length_minutes'] = settings.SCHEDULE_TIMESLOT_LENGTH_MINUTES;
         context['schedule_midnight_offset_hours'] = settings.SCHEDULE_MIDNIGHT_OFFSET_HOURS;
-
         return context
 
 

src/static_src/css/bornhack.css

@@ -1,6 +1,7 @@
 body {
   margin-top: 85px;
   margin-bottom: 35px;
+  overflow: scroll;
 }
 
 * {
@@ -148,27 +149,43 @@ footer {
 .event {
     padding: 5px;
     vertical-align: top;
-    margin: 5px;
-    width: 200px;
-    max-width: 200px;
-    min-width: 200px;
-    min-height: 100px;
     flex-grow: 1;
     border: 1px solid black;
     cursor: pointer;
 }
 
-.event-td {
-    padding: 5px;
-    vertical-align: top;
+.event-in-overview {
+    min-height: 100px;
+    margin: 5px;
     max-width: 200px;
     min-width: 200px;
-    flex-grow: 1;
-    cursor: pointer;
 }
 
-.event-td a {
-  display: block;
+.location-column {
+    position: relative;
+    margin: 0 2px;
+    background-color: #f5f5f5;
+}
+
+.location-column-header {
+  text-align: center;
+  font-weight: bold;
+  line-height: 50px;
+  font-size: 20px;
+  background-color: #eee;
+  border-bottom: 1px solid #fff;
+}
+
+.location-column-slot {
+  border-bottom: 1px solid #fff;
+}
+
+.day-view-gutter {
+  text-align: right;
+}
+
+.event-in-dayview {
+    position: absolute;
 }
 
 
@@ -179,16 +196,12 @@ footer {
   }
 }
 
-.event:hover, .event-td:hover {
+.event:hover {
     background-color: black !important;
     color: white !important;
     text-decoration: none !important;
 }
 
-.event-td a:hover {
-    text-decoration: none !important;
-}
-
 .fa-select {
     font-family: 'FontAwesome','Helvetica Neue',Helvetica,Arial,sans-serif;
 }
@@ -208,13 +221,28 @@ footer {
   padding: 0;
 }
 
+.schedule-filter .btn {
+  width: 100%;
+  text-align: left;
+}
+
 
 @media (min-width: 520px) {
-  .schedule-filter {
+  .schedule-sidebar {
     border-left: 1px solid #eee;
   }
 }
 
+.sticky {
+  position: sticky;
+  background-color: #fff;
+  z-index: 9999;
+}
+
+#daypicker {
+  top: 80px;
+}
+
 #schedule-days {
   list-style: none;
   padding: 0;
@@ -231,28 +259,7 @@ footer {
   flex-wrap: wrap;
 }
 
-.form-group .schedule-checkbox {
-    display: none;
-  }
-
-.form-group input[type="checkbox"] + .btn-group > label span {
-    width: 20px;
-}
-
-.form-group input[type="checkbox"] + .btn-group > label span i:first-child {
-    display: none;
-}
-.form-group input[type="checkbox"] + .btn-group > label span i:last-child {
-    display: inline-block;
-}
-
-.form-group input[type="checkbox"]:checked + .btn-group > label span i:first-child {
-    display: inline-block;
-}
-.form-group input[type="checkbox"]:checked + .btn-group > label span i:last-child {
-    display: none;
-}
-.form-group input[type="checkbox"]:checked + .btn-group > label {
+.filter-choice-active {
     color: #333;
     background-color: #e6e6e6;
     border-color: #adadad;