Updated streaming and improved error-handling, some more refactoring to api

src/components/public_and_external_timeline/public_and_external_timeline.js

@@ -10,7 +10,7 @@ const PublicAndExternalTimeline = {
     this.$store.dispatch('startFetchingTimeline', { timeline: 'publicAndExternal' })
   },
   destroyed () {
-    this.$store.dispatch('stopFetching', 'publicAndExternal')
+    this.$store.dispatch('stopFetchingTimeline', 'publicAndExternal')
   }
 }
 

src/components/public_timeline/public_timeline.js

@@ -10,7 +10,7 @@ const PublicTimeline = {
     this.$store.dispatch('startFetchingTimeline', { timeline: 'public' })
   },
   destroyed () {
-    this.$store.dispatch('stopFetching', 'public')
+    this.$store.dispatch('stopFetchingTimeline', 'public')
   }
 
 }

src/components/tag_timeline/tag_timeline.js

@@ -19,7 +19,7 @@ const TagTimeline = {
     }
   },
   destroyed () {
-    this.$store.dispatch('stopFetching', 'tag')
+    this.$store.dispatch('stopFetchingTimeline', 'tag')
   }
 }
 

src/components/user_profile/user_profile.js

@@ -112,9 +112,9 @@ const UserProfile = {
       }
     },
     stopFetching () {
-      this.$store.dispatch('stopFetching', 'user')
-      this.$store.dispatch('stopFetching', 'favorites')
-      this.$store.dispatch('stopFetching', 'media')
+      this.$store.dispatch('stopFetchingTimeline', 'user')
+      this.$store.dispatch('stopFetchingTimeline', 'favorites')
+      this.$store.dispatch('stopFetchingTimeline', 'media')
     },
     switchUser (userNameOrId) {
       this.stopFetching()

src/modules/api.js

@@ -6,7 +6,7 @@ const api = {
     backendInteractor: backendInteractorService(),
     fetchers: {},
     socket: null,
-    mastoSocket: null,
+    mastoUserSocket: null,
     followRequests: []
   },
   mutations: {
@@ -16,7 +16,8 @@ const api = {
     addFetcher (state, { fetcherName, fetcher }) {
       state.fetchers[fetcherName] = fetcher
     },
-    removeFetcher (state, { fetcherName }) {
+    removeFetcher (state, { fetcherName, fetcher }) {
+      window.clearInterval(fetcher)
       delete state.fetchers[fetcherName]
     },
     setWsToken (state, token) {
@@ -30,13 +31,14 @@ const api = {
     }
   },
   actions: {
-    startMastoSocket (store) {
+    // MastoAPI 'User' sockets
+    startMastoUserSocket (store) {
       const { state, dispatch } = store
-      state.mastoSocket = state.backendInteractor
+      state.mastoUserSocket = state.backendInteractor
         .startUserSocket({
           store,
           onMessage: (message) => {
-            if (!message) return
+            if (!message) return // pings
             if (message.event === 'notification') {
               dispatch('addNewNotifications', {
                 notifications: [message.notification],
@@ -52,41 +54,86 @@ const api = {
             }
           }
         })
-      state.mastoSocket.addEventListener('error', error => {
-        console.error('Error with MastoAPI websocket:', error)
+      state.mastoUserSocket.addEventListener('error', error => {
+        console.error('Error in MastoAPI websocket:', error)
+      })
+      state.mastoUserSocket.addEventListener('close', closeEvent => {
+        const ignoreCodes = new Set([
+          1000, // Normal (intended) closure
+          1001 // Going away
+        ])
+        const { code } = closeEvent
+        console.debug('Socket closure event:', closeEvent)
+        if (ignoreCodes.has(code)) {
+          console.debug(`Not restarting socket becasue of closure code ${code} is in ignore list`)
+        } else {
+          console.warn(`MastoAPI websocket disconnected, restarting. CloseEvent code: ${code}`)
           dispatch('startFetchingTimeline', { timeline: 'friends' })
           dispatch('startFetchingNotifications')
+          dispatch('restartMastoUserSocket')
+        }
       })
     },
-    startFetchingTimeline (store, { timeline = 'friends', tag = false, userId = false }) {
-      // Don't start fetching if we already are.
+    restartMastoUserSocket ({ dispatch }) {
+      // This basically starts MastoAPI user socket and stops conventional
+      // fetchers when connection reestablished
+      dispatch('startMastoUserSocket').then(() => {
+        dispatch('stopFetchingTimeline', { timeline: 'friends' })
+        dispatch('stopFetchingNotifications')
+      })
+    },
+
+    // Timelines
+    startFetchingTimeline (store, {
+      timeline = 'friends',
+      tag = false,
+      userId = false
+    }) {
       if (store.state.fetchers[timeline]) return
 
-      const fetcher = store.state.backendInteractor.startFetchingTimeline({ timeline, store, userId, tag })
+      const fetcher = store.state.backendInteractor.startFetchingTimeline({
+        timeline, store, userId, tag
+      })
       store.commit('addFetcher', { fetcherName: timeline, fetcher })
     },
-    startFetchingNotifications (store) {
-      // Don't start fetching if we already are.
-      if (store.state.fetchers['notifications']) return
+    stopFetchingTimeline (store, timeline) {
+      const fetcher = store.state.fetchers[timeline]
+      if (!fetcher) return
+      store.commit('removeFetcher', { fetcherName: timeline, fetcher })
+    },
 
+    // Notifications
+    startFetchingNotifications (store) {
+      if (store.state.fetchers.notifications) return
       const fetcher = store.state.backendInteractor.startFetchingNotifications({ store })
       store.commit('addFetcher', { fetcherName: 'notifications', fetcher })
     },
+    stopFetchingNotifications (store) {
+      const fetcher = store.state.fetchers.notifications
+      if (!fetcher) return
+      store.commit('removeFetcher', { fetcherName: 'notifications', fetcher })
+    },
     fetchAndUpdateNotifications (store) {
       store.state.backendInteractor.fetchAndUpdateNotifications({ store })
     },
-    startFetchingFollowRequest (store) {
-      // Don't start fetching if we already are.
-      if (store.state.fetchers['followRequest']) return
 
-      const fetcher = store.state.backendInteractor.startFetchingFollowRequest({ store })
-      store.commit('addFetcher', { fetcherName: 'followRequest', fetcher })
+    // Follow requests
+    startFetchingFollowRequests (store) {
+      if (store.state.fetchers['followRequests']) return
+      const fetcher = store.state.backendInteractor.startFetchingFollowRequests({ store })
+      store.commit('addFetcher', { fetcherName: 'followRequests', fetcher })
     },
-    stopFetching (store, fetcherName) {
-      const fetcher = store.state.fetchers[fetcherName]
-      window.clearInterval(fetcher)
-      store.commit('removeFetcher', { fetcherName })
+    stopFetchingFollowRequests (store) {
+      const fetcher = store.state.fetchers.followRequests
+      if (!fetcher) return
+      store.commit('removeFetcher', { fetcherName: 'followRequests', fetcher })
     },
+    removeFollowRequest (store, request) {
+      let requests = store.state.followRequests.filter((it) => it !== request)
+      store.commit('setFollowRequests', requests)
+    },
+
+    // Pleroma websocket
     setWsToken (store, token) {
       store.commit('setWsToken', token)
     },
@@ -104,10 +151,6 @@ const api = {
     disconnectFromSocket ({ commit, state }) {
       state.socket && state.socket.disconnect()
       commit('setSocket', null)
-    },
-    removeFollowRequest (store, request) {
-      let requests = store.state.followRequests.filter((it) => it !== request)
-      store.commit('setFollowRequests', requests)
     }
   }
 }

src/modules/users.js

@@ -431,10 +431,10 @@ const users = {
           store.commit('clearCurrentUser')
           store.dispatch('disconnectFromSocket')
           store.commit('clearToken')
-          store.dispatch('stopFetching', 'friends')
+          store.dispatch('stopFetchingTimeline', 'friends')
           store.commit('setBackendInteractor', backendInteractorService(store.getters.getToken()))
-          store.dispatch('stopFetching', 'notifications')
-          store.dispatch('stopFetching', 'followRequest')
+          store.dispatch('stopFetchingNotifications')
+          store.dispatch('stopFetchingFollowRequests')
           store.commit('clearNotifications')
           store.commit('resetStatuses')
         })
@@ -469,7 +469,7 @@ const users = {
                 store.dispatch('initializeSocket')
               }
 
-              store.dispatch('startMastoSocket').catch((error) => {
+              store.dispatch('startMastoUserSocket').catch((error) => {
                 console.error('Failed initializing MastoAPI Streaming socket', error)
                 // Start getting fresh posts.
                 store.dispatch('startFetchingTimeline', { timeline: 'friends' })

src/services/backend_interactor_service/backend_interactor_service.js

@@ -24,10 +24,11 @@ const backendInteractorService = credentials => ({
     const serv = store.rootState.instance.server.replace('http', 'ws')
     const url = serv + getMastodonSocketURI({ credentials, stream: 'user' })
     const socket = new WebSocket(url)
-    console.log(socket)
+    console.debug('Socket created:', socket)
     if (socket) {
+      socket.addEventListener('open', (wsEvent) => console.debug('MastoAPI User WebSocket connection established'))
       socket.addEventListener('message', (wsEvent) => onMessage(handleMastoWS(wsEvent)))
-      socket.addEventListener('error', (error) => console.error('WebSocket Error:', error))
+      socket.addEventListener('error', (error) => console.error('MastoApi User WebSocket Error:', error))
       return socket
     } else {
       throw new Error('failed to connect to socket')