Move chat to own module.

src/modules/api.js

@@ -1,10 +1,12 @@
 import backendInteractorService from '../services/backend_interactor_service/backend_interactor_service.js'
 import {isArray} from 'lodash'
+import { Socket } from 'phoenix'
 
 const api = {
   state: {
     backendInteractor: backendInteractorService(),
-    fetchers: {}
+    fetchers: {},
+    socket: null
   },
   mutations: {
     setBackendInteractor (state, backendInteractor) {
@@ -15,6 +17,9 @@ const api = {
     },
     removeFetcher (state, {timeline}) {
       delete state.fetchers[timeline]
+    },
+    setSocket (state, socket) {
+      state.socket = socket
     }
   },
   actions: {
@@ -37,6 +42,12 @@ const api = {
       const fetcher = store.state.fetchers[timeline]
       window.clearInterval(fetcher)
       store.commit('removeFetcher', {timeline})
+    },
+    initializeSocket (store, token) {
+      // Set up websocket connection
+      let socket = new Socket('/socket', {params: {token: token}})
+      socket.connect()
+      store.dispatch('initializeChat', socket)
     }
   }
 }

src/modules/chat.js

@@ -0,0 +1,33 @@
+const chat = {
+  state: {
+    messages: [],
+    channel: null
+  },
+  mutations: {
+    setChannel (state, channel) {
+      state.channel = channel
+    },
+    addMessage (state, message) {
+      state.messages.push(message)
+      state.messages = state.messages.slice(-19, 20)
+    },
+    setMessages (state, messages) {
+      state.messages = messages.slice(-19, 20)
+    }
+  },
+  actions: {
+    initializeChat (store, socket) {
+      const channel = socket.channel('chat:public')
+      channel.on('new_msg', (msg) => {
+        store.commit('addMessage', msg)
+      })
+      channel.on('messages', ({messages}) => {
+        store.commit('setMessages', messages)
+      })
+      channel.join()
+      store.commit('setChannel', channel)
+    }
+  }
+}
+
+export default chat

src/modules/users.js

@@ -1,7 +1,6 @@
 import backendInteractorService from '../services/backend_interactor_service/backend_interactor_service.js'
 import { compact, map, each, merge } from 'lodash'
 import { set } from 'vue'
-import { Socket } from 'phoenix'
 
 // TODO: Unify with mergeOrAdd in statuses.js
 export const mergeOrAdd = (arr, obj, item) => {
@@ -20,9 +19,6 @@ export const mergeOrAdd = (arr, obj, item) => {
 }
 
 export const mutations = {
-  setSocket (state, socket) {
-    state.socket = socket
-  },
   setMuted (state, { user: {id}, muted }) {
     const user = state.usersObject[id]
     set(user, 'muted', muted)
@@ -54,8 +50,7 @@ export const defaultState = {
   currentUser: false,
   loggingIn: false,
   users: [],
-  usersObject: {},
-  socket: null
+  usersObject: {}
 }
 
 const users = {
@@ -103,10 +98,7 @@ const users = {
                   commit('setBackendInteractor', backendInteractorService(userCredentials))
 
                   if (user.token) {
-                    // Set up websocket connection
-                    let socket = new Socket('/socket', {params: {token: user.token}})
-                    socket.connect()
-                    store.commit('setSocket', socket)
+                    store.dispatch('initializeSocket', user.token)
                   }
 
                   // Start getting fresh tweets.