from django.contrib.postgres.fields import DateTimeRangeField from django.db import models from django.utils.text import slugify from django.conf import settings from django.utils.translation import ugettext_lazy as _ from utils.models import CreatedUpdatedModel, CampRelatedModel from django.core.exceptions import ValidationError from datetime import timedelta from django.core.urlresolvers import reverse_lazy import uuid, os from django.core.files.storage import FileSystemStorage from django.urls import reverse from django.apps import apps from django.core.files.base import ContentFile class CustomUrlStorage(FileSystemStorage): def __init__(self, location=None): super(CustomUrlStorage, self).__init__(location) def url(self, name): url = super(CustomUrlStorage, self).url(name) parts = url.split("/") if parts[0] != "public": # first bit should always be "public" return False if parts[1] == "speakerproposals": # find speakerproposal speakerproposal_model = apps.get_model('program', 'speakerproposal') try: speakerproposal = speakerproposal_model.objects.get(picture_small=name) picture = "small" except speakerproposal_model.DoesNotExist: try: speakerproposal = speakerproposal_model.objects.get(picture_large=name) picture = "large" except speakerproposal_model.DoesNotExist: return False url = reverse('speakerproposal_picture', kwargs={ 'camp_slug': speakerproposal.camp.slug, 'pk': speakerproposal.pk, 'picture': picture, }) else: return False return url storage = CustomUrlStorage() class UserSubmittedModel(CampRelatedModel): """ An abstract model containing the stuff that is shared between the SpeakerProposal and EventProposal models. """ class Meta: abstract = True uuid = models.UUIDField( primary_key=True, default=uuid.uuid4, editable=False, ) user = models.ForeignKey( 'auth.User', ) PROPOSAL_DRAFT = 'draft' PROPOSAL_PENDING = 'pending' PROPOSAL_APPROVED = 'approved' PROPOSAL_REJECTED = 'rejected' PROPOSAL_STATUSES = [ PROPOSAL_DRAFT, PROPOSAL_PENDING, PROPOSAL_APPROVED, PROPOSAL_REJECTED ] PROPOSAL_STATUS_CHOICES = [ (PROPOSAL_DRAFT, 'Draft'), (PROPOSAL_PENDING, 'Pending approval'), (PROPOSAL_APPROVED, 'Approved'), (PROPOSAL_REJECTED, 'Rejected'), ] proposal_status = models.CharField( max_length=50, choices=PROPOSAL_STATUS_CHOICES, default=PROPOSAL_DRAFT, ) def __str__(self): return '%s (submitted by: %s, status: %s)' % (self.headline, self.user, self.proposal_status) def get_speakerproposal_picture_upload_path(instance, filename): """ We want speakerproposal pictures saved as MEDIA_ROOT/public/speakerproposals/camp-slug/proposal-uuid/filename """ return 'public/speakerproposals/%(campslug)s/%(proposaluuid)s/%(filename)s' % { 'campslug': instance.camp.slug, 'proposaluuid': instance.uuid, 'filename': filename } def get_speakersubmission_picture_upload_path(instance, filename): """ We want speakerproposal pictures saved as MEDIA_ROOT/public/speakerproposals/camp-slug/proposal-uuid/filename """ return 'public/speakerproposals/%(campslug)s/%(proposaluuid)s/%(filename)s' % { 'campslug': instance.camp.slug, 'proposaluuidd': instance.uuid, 'filename': filename } class SpeakerProposal(UserSubmittedModel): """ A speaker proposal """ camp = models.ForeignKey( 'camps.Camp', related_name='speakerproposals' ) name = models.CharField( max_length=150, help_text='Name or alias of the speaker', ) biography = models.TextField( help_text='Markdown is supported.' ) picture_large = models.ImageField( null=True, blank=True, upload_to=get_speakerproposal_picture_upload_path, help_text='A picture of the speaker', storage=storage, max_length=255 ) picture_small = models.ImageField( null=True, blank=True, upload_to=get_speakerproposal_picture_upload_path, help_text='A thumbnail of the speaker picture', storage=storage, max_length=255 ) @property def headline(self): return self.name def get_absolute_url(self): return reverse_lazy('speakerproposal_detail', kwargs={'camp_slug': self.camp.slug, 'pk': self.uuid}) def mark_as_approved(self): speakermodel = apps.get_model('program', 'speaker') speakerproposalmodel = apps.get_model('program', 'speakerproposal') speaker = speakermodel() speaker.camp = self.camp speaker.name = self.name speaker.biography = self.biography if self.picture_small and self.picture_large: temp = ContentFile(self.picture_small.read()) temp.name = os.path.basename(self.picture_small.name) speaker.picture_small = temp temp = ContentFile(self.picture_large.read()) temp.name = os.path.basename(self.picture_large.name) speaker.picture_large = temp speaker.proposal = self speaker.save() self.proposal_status = speakerproposalmodel.PROPOSAL_APPROVED self.save() class EventProposal(UserSubmittedModel): """ An event proposal """ camp = models.ForeignKey( 'camps.Camp', related_name='eventproposals' ) title = models.CharField( max_length=255, help_text='The title of this event', ) abstract = models.TextField( help_text='The abstract for this event' ) event_type = models.ForeignKey( 'program.EventType', help_text='The type of event', ) speakers = models.ManyToManyField( 'program.SpeakerProposal', blank=True, help_text='Pick the speaker(s) for this event', ) @property def headline(self): return self.title def get_absolute_url(self): return reverse_lazy('eventproposal_detail', kwargs={'camp_slug': self.camp.slug, 'pk': self.uuid}) def mark_as_approved(self): eventmodel = apps.get_model('program', 'event') eventproposalmodel = apps.get_model('program', 'eventproposal') event = eventmodel() event.camp = self.camp event.title = self.title event.abstract = self.abstract event.event_type = self.event_type event.proposal = self event.save() # loop through the speakerproposals linked to this eventproposal and associate any related speaker objects with this event for sp in self.speakers.all(): if sp.speaker: event.speaker_set.add(sp.speaker) self.proposal_status = eventproposalmodel.PROPOSAL_APPROVED self.save() ############################################################################################# class EventLocation(CampRelatedModel): """ The places where stuff happens """ name = models.CharField( max_length=100 ) slug = models.SlugField() icon = models.CharField( max_length=100, help_text="hex for the unicode character in the fontawesome icon set to use, like 'f000' for 'fa-glass'" ) camp = models.ForeignKey( 'camps.Camp', related_name='eventlocations' ) def __str__(self): return self.name class Meta: unique_together = (('camp', 'slug'), ('camp', 'name')) class EventType(CreatedUpdatedModel): """ Every event needs to have a type. """ name = models.CharField( max_length=100, unique=True, help_text='The name of this event type', ) slug = models.SlugField() color = models.CharField( max_length=50, help_text='The background color of this event type', ) light_text = models.BooleanField( default=False, help_text='Check if this event type should use white text color', ) notifications = models.BooleanField( default=False, help_text='Check to send notifications for this event type', ) public = models.BooleanField( default=False, help_text='Check to permit users to submit events of this type', ) def __str__(self): return self.name class Event(CampRelatedModel): """ Something that is on the program one or more times. """ title = models.CharField( max_length=255, help_text='The title of this event', ) abstract = models.TextField( help_text='The abstract for this event' ) event_type = models.ForeignKey( 'program.EventType', help_text='The type of this event', ) slug = models.SlugField( blank=True, max_length=255, help_text='The slug for this event, created automatically', ) camp = models.ForeignKey( 'camps.Camp', related_name='events', help_text='The camp this event belongs to', ) video_url = models.URLField( max_length=1000, null=True, blank=True, help_text='URL to the recording' ) video_recording = models.BooleanField( default=True, help_text='Do we intend to record video of this event?' ) class Meta: ordering = ['title'] unique_together = (('camp', 'slug'), ('camp', 'title')) def __str__(self): return '%s (%s)' % (self.title, self.camp.title) def save(self, **kwargs): if not self.slug: self.slug = slugify(self.title) super(Event, self).save(**kwargs) @property def speakers_list(self): if self.speakers.exists(): return ", ".join(self.speakers.all().values_list('name', flat=True)) return False def get_absolute_url(self): return reverse_lazy('event_detail', kwargs={'camp_slug': self.camp.slug, 'slug': self.slug}) class EventInstance(CampRelatedModel): """ An instance of an event """ event = models.ForeignKey( 'program.event', related_name='instances' ) when = DateTimeRangeField() notifications_sent = models.BooleanField( default=False ) location = models.ForeignKey( 'program.EventLocation', related_name='eventinstances' ) class Meta: ordering = ['when'] def __str__(self): return '%s (%s)' % (self.event, self.when) def __clean__(self): errors = [] if self.location.camp != self.event.camp: errors.append(ValidationError({'location', "Error: This location belongs to a different camp"})) if errors: raise ValidationError(errors) @property def camp(self): return self.event.camp @property def schedule_date(self): """ Returns the schedule date of this eventinstance. Schedule date is determined by substracting settings.SCHEDULE_MIDNIGHT_OFFSET_HOURS from the eventinstance start time. This means that if an event is scheduled for 00:30 wednesday evening (technically thursday) then the date after substracting 5 hours would be wednesdays date, not thursdays (given settings.SCHEDULE_MIDNIGHT_OFFSET_HOURS=5) """ return (self.when.lower-timedelta(hours=settings.SCHEDULE_MIDNIGHT_OFFSET_HOURS)).date() @property def timeslots(self): """ Find the number of timeslots this eventinstance takes up """ seconds = (self.when.upper-self.when.lower).seconds minutes = seconds / 60 return minutes / settings.SCHEDULE_TIMESLOT_LENGTH_MINUTES def get_speaker_picture_upload_path(instance, filename): """ We want speaker pictures are saved as MEDIA_ROOT/public/speakers/camp-slug/speaker-slug/filename """ return 'public/speakers/%(campslug)s/%(speakerslug)s/%(filename)s' % { 'campslug': instance.camp.slug, 'speakerslug': instance.slug, 'filename': filename } class Speaker(CampRelatedModel): """ A Person (co)anchoring one or more events on a camp. """ name = models.CharField( max_length=150, help_text='Name or alias of the speaker', ) biography = models.TextField( help_text='Markdown is supported.' ) picture_small = models.ImageField( null=True, blank=True, upload_to=get_speaker_picture_upload_path, help_text='A thumbnail of the speaker picture' ) picture_large = models.ImageField( null=True, blank=True, upload_to=get_speaker_picture_upload_path, help_text='A picture of the speaker' ) slug = models.SlugField( blank=True, max_length=255, help_text='The slug for this speaker, will be autocreated', ) camp = models.ForeignKey( 'camps.Camp', null=True, related_name='speakers', help_text='The camp this speaker belongs to', ) events = models.ManyToManyField( Event, blank=True, help_text='The event(s) this speaker is anchoring', ) proposal = models.OneToOneField( 'program.SpeakerProposal', null=True, blank=True, help_text='The speaker proposal object this speaker was created from', ) class Meta: ordering = ['name'] unique_together = (('camp', 'name'), ('camp', 'slug')) def __str__(self): return '%s (%s)' % (self.name, self.camp) def save(self, **kwargs): if not self.slug: self.slug = slugify(self.name) super(Speaker, self).save(**kwargs) def get_absolute_url(self): return reverse_lazy('speaker_detail', kwargs={'camp_slug': self.camp.slug, 'slug': self.slug})