refactor database

routes/_components/Timeline.html

@@ -20,13 +20,11 @@
   import LoadingFooter from './LoadingFooter.html'
   import VirtualList from './VirtualList.html'
   import { splice, push } from 'svelte-extras'
-  import worker from 'workerize-loader!../_utils/database/database'
   import { mergeStatuses } from '../_utils/statuses'
   import { mark, stop } from '../_utils/marks'
   import { timelines } from '../_static/timelines'
   import { toast } from '../_utils/toast'
-
-  const database = worker()
+  import { database } from '../_utils/database/database'
 
   const FETCH_LIMIT = 20
 

routes/_utils/database/cleanupTimelines.js

@@ -1,15 +1,15 @@
-import keyval from "idb-keyval"
+import { getKnownDbs } from './knownDbs'
 import debounce from 'lodash/debounce'
-import { OBJECT_STORE, getDatabase } from './shared'
+import { TIMELINE_STORE, getTimelineDatabase } from './timelines'
 
 const MAX_NUM_STORED_STATUSES = 1000
 const CLEANUP_INTERVAL = 60000
 
 async function cleanup(instanceName, timeline) {
-  const db = await getDatabase(instanceName, timeline)
+  const db = await getTimelineDatabase(instanceName, timeline)
   return await new Promise((resolve, reject) => {
-    const tx = db.transaction(OBJECT_STORE, 'readwrite')
-    const store = tx.objectStore(OBJECT_STORE)
+    const tx = db.transaction(TIMELINE_STORE, 'readwrite')
+    const store = tx.objectStore(TIMELINE_STORE)
     const index = store.index('pinafore_id_as_negative_big_int')
 
     store.count().onsuccess = (e) => {
@@ -37,11 +37,18 @@ export const cleanupOldStatuses = debounce(async () => {
   if (process.env.NODE_ENV !== 'production') {
     console.log('cleanupOldStatuses')
   }
-  let knownDbs = (await keyval.get('known_dbs')) || {}
-  let dbNames = Object.keys(knownDbs)
-  for (let dbName of dbNames) {
-    let [ instanceName, timeline ] = knownDbs[dbName]
-    await cleanup(instanceName, timeline)
+
+  let knownDbs = await getKnownDbs()
+  let instanceNames = Object.keys(knownDbs)
+  for (let instanceName of instanceNames) {
+    let knownDbsForInstance = knownDbs[instanceName] || []
+    for (let knownDb of knownDbsForInstance) {
+      let {type, dbName} = knownDb
+      if (type !== 'timeline') {
+        continue
+      }
+      await cleanup(instanceName, dbName)
+    }
   }
   if (process.env.NODE_ENV !== 'production') {
     console.log('done cleanupOldStatuses')

routes/_utils/database/database.js

@@ -1,36 +1,10 @@
-import { cleanupOldStatuses } from './cleanup'
-import { OBJECT_STORE, getDatabase } from './shared'
-import { toReversePaddedBigInt, transformStatusForStorage } from './utils'
+import worker from 'workerize-loader!./databaseInsideWorker'
 
-export async function getTimeline(instanceName, timeline, maxId = null, limit = 20) {
-  const db = await getDatabase(instanceName, timeline)
-  return await new Promise((resolve, reject) => {
-    const tx = db.transaction(OBJECT_STORE, 'readonly')
-    const store = tx.objectStore(OBJECT_STORE)
-    const index = store.index('pinafore_id_as_negative_big_int')
-    let sinceAsNegativeBigInt = maxId ? toReversePaddedBigInt(maxId) : null
-    let query = sinceAsNegativeBigInt ? IDBKeyRange.lowerBound(sinceAsNegativeBigInt, false) : null
+import * as databaseInsideWorker from './databaseInsideWorker'
 
-    let res
-    index.getAll(query, limit).onsuccess = (e) => {
-      res = e.target.result
-    }
+// workerize-loader causes weirdness during development
+let database = process.browser && process.env.NODE_ENV === 'production' ? worker() : databaseInsideWorker
 
-    tx.oncomplete = () => resolve(res)
-    tx.onerror = () => reject(tx.error.name + ' ' + tx.error.message)
-  })
-}
-
-export async function insertStatuses(instanceName, timeline, statuses) {
-  cleanupOldStatuses()
-  const db = await getDatabase(instanceName, timeline)
-  return await new Promise((resolve, reject) => {
-    const tx = db.transaction(OBJECT_STORE, 'readwrite')
-    const store = tx.objectStore(OBJECT_STORE)
-    for (let status of statuses) {
-      store.put(transformStatusForStorage(status))
-    }
-    tx.oncomplete = () => resolve()
-    tx.onerror = () => reject(tx.error.name + ' ' + tx.error.message)
-  })
+export {
+  database
 }

routes/_utils/database/databaseInsideWorker.js

@@ -0,0 +1,65 @@
+import { META_STORE, getMetaDatabase } from './meta'
+import { cleanupOldStatuses } from './cleanupTimelines'
+import { TIMELINE_STORE, getTimelineDatabase } from './timelines'
+import { toReversePaddedBigInt, transformStatusForStorage } from './utils'
+
+export async function getTimeline(instanceName, timeline, maxId = null, limit = 20) {
+  const db = await getTimelineDatabase(instanceName, timeline)
+  return await new Promise((resolve, reject) => {
+    const tx = db.transaction(TIMELINE_STORE, 'readonly')
+    const store = tx.objectStore(TIMELINE_STORE)
+    const index = store.index('pinafore_id_as_negative_big_int')
+    let sinceAsNegativeBigInt = maxId ? toReversePaddedBigInt(maxId) : null
+    let query = sinceAsNegativeBigInt ? IDBKeyRange.lowerBound(sinceAsNegativeBigInt, false) : null
+
+    let res
+    index.getAll(query, limit).onsuccess = (e) => {
+      res = e.target.result
+    }
+
+    tx.oncomplete = () => resolve(res)
+    tx.onerror = () => reject(tx.error.name + ' ' + tx.error.message)
+  })
+}
+
+export async function insertStatuses(instanceName, timeline, statuses) {
+  const db = await getTimelineDatabase(instanceName, timeline)
+  await new Promise((resolve, reject) => {
+    const tx = db.transaction(TIMELINE_STORE, 'readwrite')
+    const store = tx.objectStore(TIMELINE_STORE)
+    for (let status of statuses) {
+      store.put(transformStatusForStorage(status))
+    }
+    tx.oncomplete = () => resolve()
+    tx.onerror = () => reject(tx.error.name + ' ' + tx.error.message)
+  })
+  /* no await */ cleanupOldStatuses()
+}
+
+export async function setInstanceVerifyCredentials(instanceName, verifyCredentials) {
+  const db = await getMetaDatabase(instanceName)
+  return await new Promise((resolve, reject) => {
+    const tx = db.transaction(META_STORE, 'readwrite')
+    const store = tx.objectStore(META_STORE)
+    store.put({
+      key: 'verifyCredentials',
+      value: verifyCredentials
+    })
+    tx.oncomplete = () => resolve()
+    tx.onerror = () => reject(tx.error.name + ' ' + tx.error.message)
+  })
+}
+
+export async function getInstanceVerifyCredentials(instanceName, verifyCredentials) {
+  const db = await getMetaDatabase(instanceName)
+  return await new Promise((resolve, reject) => {
+    const tx = db.transaction(META_STORE, 'readwrite')
+    const store = tx.objectStore(META_STORE)
+    let res
+    store.get('verifyCredentials').onsuccess = (e) => {
+      res = e.target.result && e.target.result.value
+    }
+    tx.oncomplete = () => resolve(res)
+    tx.onerror = () => reject(tx.error.name + ' ' + tx.error.message)
+  })
+}

routes/_utils/database/knownDbs.js

@@ -0,0 +1,21 @@
+import keyval from "idb-keyval"
+
+export async function addKnownDb(instanceName, type, dbName) {
+  let knownDbs = (await keyval.get('known_dbs')) || {}
+  if (!knownDbs[instanceName]) {
+    knownDbs[instanceName] = []
+  }
+  if (!knownDbs[instanceName].some(db => db.type === type && db.dbName === dbName)) {
+    knownDbs[instanceName].push({type, dbName})
+  }
+  await keyval.set('known_dbs', knownDbs)
+}
+
+export async function getKnownDbs() {
+  return (await keyval.get('known_dbs')) || {}
+}
+
+export async function getKnownDbsForInstance(instanceName) {
+  let knownDbs = await getKnownDbs()
+  return knownDbs[instanceName] || []
+}

routes/_utils/database/meta.js

@@ -0,0 +1,29 @@
+import { addKnownDb } from './knownDbs'
+
+const databaseCache = {}
+export const META_STORE = 'meta'
+
+export function getMetaDatabase(instanceName) {
+  const key = `${instanceName}_${META_STORE}`
+  if (databaseCache[key]) {
+    return Promise.resolve(databaseCache[key])
+  }
+
+  let dbName = key
+
+  addKnownDb(instanceName, 'meta', dbName)
+
+  databaseCache[key] = new Promise((resolve, reject) => {
+    let req = indexedDB.open(dbName, 1)
+    req.onerror = reject
+    req.onblocked = () => {
+      console.log('idb blocked')
+    }
+    req.onupgradeneeded = () => {
+      let db = req.result;
+      db.createObjectStore(META_STORE, {keyPath: 'key'})
+    }
+    req.onsuccess = () => resolve(req.result)
+  })
+  return databaseCache[key]
+}

routes/_utils/database/timelines.js

@@ -1,25 +1,21 @@
-import keyval from "idb-keyval"
+import { addKnownDb } from './knownDbs'
 
 const databaseCache = {}
-export const OBJECT_STORE = 'statuses'
+export const TIMELINE_STORE = 'statuses'
 
-export function createDbName(instanceName, timeline) {
-  return `${OBJECT_STORE}_${instanceName}_${timeline}`
+export function createTimelineDbName(instanceName, timeline) {
+  return `${instanceName}_timeline_${timeline}`
 }
 
-export function getDatabase(instanceName, timeline) {
+export function getTimelineDatabase(instanceName, timeline) {
   const key = `${instanceName}_${timeline}`
   if (databaseCache[key]) {
     return Promise.resolve(databaseCache[key])
   }
 
-  let dbName = createDbName(instanceName, timeline)
+  let dbName = createTimelineDbName(instanceName, timeline)
 
-  keyval.get('known_dbs').then(knownDbs => {
-    knownDbs = knownDbs || {}
-    knownDbs[dbName] = [instanceName, timeline]
-    keyval.set('known_dbs', knownDbs)
-  })
+  addKnownDb(instanceName, 'timeline', dbName)
 
   databaseCache[key] = new Promise((resolve, reject) => {
     let req = indexedDB.open(dbName, 1)
@@ -29,7 +25,7 @@ export function getDatabase(instanceName, timeline) {
     }
     req.onupgradeneeded = () => {
       let db = req.result;
-      let oStore = db.createObjectStore(OBJECT_STORE, {
+      let oStore = db.createObjectStore(TIMELINE_STORE, {
         keyPath: 'id'
       })
       oStore.createIndex('pinafore_id_as_negative_big_int', 'pinafore_id_as_negative_big_int')

routes/_utils/mastodon/user.js

@@ -1,7 +1,7 @@
 import { get } from '../ajax'
 import { basename } from './utils'
 
-export function getThisUserAccount(instanceName, accessToken) {
+export function getVerifyCredentials(instanceName, accessToken) {
   let url = `${basename(instanceName)}/api/v1/accounts/verify_credentials`
   return get(url, {
     'Authorization': `Bearer ${accessToken}`

routes/settings/instances/[instanceName].html

@@ -6,14 +6,14 @@
   <SettingsLayout page='settings/instances/{{params.instanceName}}' label="{{params.instanceName}}">
     <h1 class="instance-name-h1">{{params.instanceName}}</h1>
 
-    {{#if instanceUserAccount}}
+    {{#if verifyCredentials}}
       <h2>Logged in as:</h2>
       <div class="acct-current-user">
-        <img alt="Profile picture for {{'@' + instanceUserAccount.acct}}"
-             class="acct-avatar" src="{{instanceUserAccount.avatar}}" />
+        <img alt="Profile picture for {{'@' + verifyCredentials.acct}}"
+             class="acct-avatar" src="{{verifyCredentials.avatar}}" />
         <a class="acct-handle" rel="noopener" target="_blank"
-           href="{{instanceUserAccount.url}}">{{'@' + instanceUserAccount.acct}}</a>
-        <span class="acct-display-name">{{instanceUserAccount.display_name}}</span>
+           href="{{verifyCredentials.url}}">{{'@' + verifyCredentials.acct}}</a>
+        <span class="acct-display-name">{{verifyCredentials.display_name}}</span>
       </div>
       <h2>Theme:</h2>
       <form class="theme-chooser" aria-label="Choose a theme">
@@ -97,7 +97,8 @@
   import { store } from '../../_utils/store'
   import Layout from '../../_components/Layout.html'
   import SettingsLayout from '../_components/SettingsLayout.html'
-  import { getThisUserAccount } from '../../_utils/mastodon/user'
+  import { getVerifyCredentials } from '../../_utils/mastodon/user'
+  import { database } from '../../_utils/database/database'
   import { themes } from '../../_static/themes'
   import { switchToTheme } from '../../_utils/themeEngine'
   import { goto } from 'sapper/runtime.js'
@@ -117,9 +118,18 @@
       let loggedInInstances = this.store.get('loggedInInstances')
       let instanceThemes = this.store.get('instanceThemes')
       let instanceData = loggedInInstances[instanceName]
-      let instanceUserAccount = await getThisUserAccount(instanceName, instanceData.access_token)
+      let verifyCredentials = await database.getInstanceVerifyCredentials(instanceName)
+      if (verifyCredentials) { // update
+        getVerifyCredentials(instanceName, instanceData.access_token).then(verifyCredentials => {
+          database.setInstanceVerifyCredentials(instanceName, verifyCredentials)
+        })
+      } else {
+        verifyCredentials = await getVerifyCredentials(instanceName, instanceData.access_token)
+        database.setInstanceVerifyCredentials(instanceName, verifyCredentials)
+        verifyCredentials = verifyCredentials
+      }
       this.set({
-        instanceUserAccount: instanceUserAccount,
+        verifyCredentials: verifyCredentials,
         selectedTheme: instanceThemes[instanceName]
       })
     },

routes/settings/instances/add.html

@@ -72,11 +72,12 @@
   import Layout from '../../_components/Layout.html';
   import SettingsLayout from '../_components/SettingsLayout.html'
   import { registerApplication, generateAuthLink, getAccessTokenFromAuthCode } from '../../_utils/mastodon/oauth'
-  import { getThisUserAccount } from '../../_utils/mastodon/user'
+  import { getVerifyCredentials } from '../../_utils/mastodon/user'
   import { store } from '../../_utils/store'
   import { goto } from 'sapper/runtime.js'
   import { switchToTheme } from '../../_utils/themeEngine'
   import LoadingMask from '../../_components/LoadingMask'
+  import { database } from '../../_utils/database/database'
 
   const REDIRECT_URI = (typeof location !== 'undefined' ?
       location.origin : 'https://pinafore.social') + '/settings/instances/add'
@@ -177,7 +178,9 @@
         this.store.save()
         switchToTheme('default')
         // fire off request for account so it's cached in the SW
-        getThisUserAccount(currentRegisteredInstanceName, instanceData.access_token)
+        getVerifyCredentials(currentRegisteredInstanceName, instanceData.access_token).then(verifyCredentials => {
+          database.setInstanceVerifyCredentials(currentRegisteredInstanceName, verifyCredentials)
+        })
         goto('/')
       }
     }

templates/service-worker.js

@@ -42,7 +42,6 @@ const NETWORK_ONLY = [
 ]
 
 const CACHE_FIRST = [
-  '/api/v1/accounts/verify_credentials',
   '/system/accounts/avatars'
 ]