Remove migration-related functionality, leaving export stuff

FREEBIE

_locales/en/messages.json

@@ -3,18 +3,10 @@
       "message": "Loading...",
       "description": "Message shown on the loading screen before we've loaded any messages"
     },
-    "migrationWarning": {
-      "message": "The Signal Desktop Chrome app has been deprecated. Would you like to migrate to the new Signal Desktop now?",
-      "description": "Warning notification that this version of the app has been deprecated and the user must migrate"
-    },
     "exportInstructions": {
       "message": "The first step is to choose a directory to store this application's exported data. It will contain your message history and sensitive cryptographic data, so be sure to save it somewhere private.",
       "description": "Description of the export process"
     },
-    "migrate": {
-      "message": "Migrate",
-      "description": "Button label to begin migrating this client to Electron"
-    },
     "chooseDirectory": {
       "message": "Choose directory",
       "description": "Button to allow the user to export all data from app as part of migration process"
@@ -35,14 +27,6 @@
       "message": "Unfortunately, something went wrong during the export. First, double-check your target empty directory for write access and enough space. Then, please submit a debug log so we can help you get migrated!",
       "description": "Helper text if the user went forward on migrating the app, but ran into an error"
     },
-    "confirmMigration": {
-      "message": "Start migration process? You will not be able to send or receive Signal messages from this application while the migration is in progress.",
-      "description": "Confirmation dialogue when beginning migration"
-    },
-    "migrationDisconnecting": {
-      "message": "Disconnecting...",
-      "description": "Displayed while we wait for pending incoming messages to process"
-    },
     "exporting": {
       "message": "Please wait while we export your data. It may take several minutes. You can still use Signal on your phone and other devices during this time.",
       "description": "Message shown on the migration screen while we export data"

background.html

@@ -122,12 +122,6 @@
     </a>
     {{ expiredWarning }}
   </script>
-  <script type='text/x-tmpl-mustache' id='migration_alert'>
-    <button class='migrate'>{{ migrate }}</button>
-    <div class='message'>
-      {{ migrationWarning }}
-    </div>
-  </script>
   <script type='text/x-tmpl-mustache' id='banner'>
     <div class='body'>
       <span class='icon warning'></span>
@@ -823,7 +817,6 @@
   <script type='text/javascript' src='js/views/install_view.js'></script>
   <script type='text/javascript' src='js/views/banner_view.js'></script>
   <script type='text/javascript' src='js/views/identity_key_send_error_view.js'></script>
-  <script type='text/javascript' src='js/views/migration_view.js'></script>
   <script type="text/javascript" src="js/views/phone-input-view.js"></script>
   <script type='text/javascript' src='js/views/standalone_registration_view.js'></script>
   <script type='text/javascript' src='js/views/app_view.js'></script>

js/background.js

@@ -161,7 +161,6 @@
         window.removeEventListener('online', connect);
 
         if (!Whisper.Registration.isDone()) { return; }
-        if (Whisper.Migration.inProgress()) { return; }
         if (Whisper.Import.isIncomplete()) { return; }
 
         if (messageReceiver) { messageReceiver.close(); }

js/views/inbox_view.js

@@ -149,15 +149,6 @@
                 var banner = new Whisper.ExpiredAlertBanner().render();
                 banner.$el.prependTo(this.$el);
                 this.$el.addClass('expired');
-            } else if (Whisper.Migration.inProgress()) {
-                if (this.appLoadingScreen) {
-                    this.appLoadingScreen.remove();
-                    this.appLoadingScreen = null;
-                }
-                this.showMigrationScreen();
-            } else if (storage.get('migrationEnabled')) {
-                var migrationBanner = new Whisper.MigrationAlertBanner().render();
-                migrationBanner.$el.prependTo(this.$el);
             }
         },
         render_attributes: {
@@ -178,15 +169,6 @@
             'input input.search': 'filterContacts',
             'click .restart-signal': window.restart,
             'show .lightbox': 'showLightbox',
-            'click .migrate': 'confirmMigration'
-        },
-        confirmMigration: function() {
-            this.confirm(i18n('confirmMigration'), i18n('migrate')).then(this.showMigrationScreen.bind(this));
-        },
-        showMigrationScreen: function() {
-            this.migrationScreen = new Whisper.MigrationView();
-            this.migrationScreen.render();
-            this.migrationScreen.$el.prependTo(this.el);
         },
         startConnectionListener: function() {
             this.interval = setInterval(function() {
@@ -301,15 +283,4 @@
             };
         }
     });
-
-    Whisper.MigrationAlertBanner = Whisper.View.extend({
-        templateName: 'migration_alert',
-        className: 'expiredAlert clearfix',
-        render_attributes: function() {
-            return {
-                migrationWarning: i18n('migrationWarning'),
-                migrate: i18n('migrate'),
-            };
-        }
-    });
 })();

js/views/migration_view.js

@@ -1,190 +0,0 @@
-;(function () {
-  'use strict';
-  window.Whisper = window.Whisper || {};
-
-  var State = {
-    DISCONNECTING: 1,
-    EXPORTING: 2,
-    COMPLETE: 3
-  };
-
-  Whisper.Migration = {
-    isComplete: function() {
-      return storage.get('migrationState') === State.COMPLETE;
-    },
-    inProgress: function() {
-      return storage.get('migrationState') > 0 || this.everComplete();
-    },
-    markComplete: function(target) {
-      storage.put('migrationState', State.COMPLETE);
-      storage.put('migrationEverCompleted', true);
-      if (target) {
-        storage.put('migrationStorageLocation', target);
-      }
-    },
-    cancel: function() {
-      storage.remove('migrationState');
-    },
-    beginExport: function() {
-      storage.put('migrationState', State.EXPORTING);
-      return Whisper.Backup.backupToDirectory();
-    },
-    init: function() {
-      storage.put('migrationState', State.DISCONNECTING);
-      Whisper.events.trigger('start-shutdown');
-    },
-    everComplete: function() {
-      return Boolean(storage.get('migrationEverCompleted'));
-    },
-    getExportLocation: function() {
-      return storage.get('migrationStorageLocation');
-    }
-  };
-
-  Whisper.MigrationView = Whisper.View.extend({
-    templateName: 'app-migration-screen',
-    className: 'app-loading-screen',
-    events: {
-      'click .install': 'onClickInstall',
-      'click .export': 'onClickExport',
-      'click .debug-log': 'onClickDebugLog',
-    },
-    initialize: function() {
-      if (!Whisper.Migration.inProgress()) {
-        return;
-      }
-
-      // We could be wedged in an 'in progress' state, the migration was started then the
-      //   app restarted in the middle.
-      if (Whisper.Migration.everComplete()) {
-        // If the user has ever successfully exported before, we'll show the 'finished'
-        //   screen with the 'Export again' button.
-        Whisper.Migration.markComplete();
-      } else if (!Whisper.Migration.isComplete()) {
-        // This takes the user back to the very beginning of the process.
-        Whisper.Migration.cancel();
-      }
-    },
-    render_attributes: function() {
-      var message;
-      var exportButton;
-      var hideProgress = Whisper.Migration.isComplete();
-      var debugLogButton = i18n('submitDebugLog');
-      var installButton = i18n('installNewSignal');
-
-      if (this.error) {
-        return {
-          message: i18n('exportError'),
-          hideProgress: true,
-          exportButton: i18n('exportAgain'),
-          debugLogButton: i18n('submitDebugLog'),
-        };
-      }
-
-      switch (storage.get('migrationState')) {
-        case State.COMPLETE:
-          var location = Whisper.Migration.getExportLocation() || i18n('selectedLocation');
-          message = i18n('exportComplete', location);
-          exportButton = i18n('exportAgain');
-          debugLogButton = null;
-          break;
-        case State.EXPORTING:
-          message = i18n('exporting');
-          break;
-        case State.DISCONNECTING:
-          message = i18n('migrationDisconnecting');
-          installButton = null;
-          break;
-        default:
-          hideProgress = true;
-          message = i18n('exportInstructions');
-          exportButton = i18n('export');
-          debugLogButton = null;
-          installButton = null;
-      }
-
-      return {
-        hideProgress: hideProgress,
-        message: message,
-        exportButton: exportButton,
-        debugLogButton: debugLogButton,
-        installButton: installButton,
-      };
-    },
-    onClickInstall: function() {
-      var url = 'https://support.whispersystems.org/hc/en-us/articles/214507138';
-      window.open(url, '_blank');
-    },
-    onClickDebugLog: function() {
-      this.openDebugLog();
-    },
-    openDebugLog: function() {
-      this.closeDebugLog();
-      this.debugLogView = new Whisper.DebugLogView();
-      this.debugLogView.$el.appendTo(this.el);
-    },
-    closeDebugLog: function() {
-      if (this.debugLogView) {
-        this.debugLogView.remove();
-        this.debugLogView = null;
-      }
-    },
-    onClickExport: function() {
-      this.error = null;
-
-      if (!Whisper.Migration.everComplete()) {
-        return this.beginMigration();
-      }
-
-      // Different behavior for the user's second time through
-      Whisper.Migration.beginExport()
-        .then(this.completeMigration.bind(this))
-        .catch(function(error) {
-          if (error.name !== 'ChooseError') {
-            this.error = error.message;
-          }
-          // Even if we run into an error, we call this complete because the user has
-          //   completed the process once before.
-          Whisper.Migration.markComplete();
-          this.render();
-        }.bind(this));
-      this.render();
-    },
-    beginMigration: function() {
-      Whisper.events.once('shutdown-complete', function() {
-        Whisper.Migration.beginExport()
-          .then(this.completeMigration.bind(this))
-          .catch(this.onError.bind(this));
-
-        // Rendering because we're now in the 'exporting' state
-        this.render();
-      }.bind(this));
-
-      // tells MessageReceiver to disconnect and drain its queue, will fire
-      //   'shutdown-complete' event when that is done. Might result in a synchronous
-      //   event, so call it after we register our callback.
-      Whisper.Migration.init();
-
-      // Rendering because we're now in the 'disconnected' state
-      this.render();
-    },
-    completeMigration: function(target) {
-      // This will prevent connection to the server on future app launches
-      Whisper.Migration.markComplete(target);
-      this.render();
-    },
-    onError: function(error) {
-      if (error.name === 'ChooseError') {
-        this.cancelMigration();
-      } else {
-        Whisper.Migration.cancel();
-        this.error = error.message;
-        this.render();
-      }
-    },
-    cancelMigration: function() {
-      Whisper.Migration.cancel();
-      this.render();
-    }
-  });
-}());

test/index.html

@@ -629,7 +629,6 @@
   <script type='text/javascript' src='../js/views/scroll_down_button_view.js' data-cover></script>
   <script type='text/javascript' src='../js/views/banner_view.js' data-cover></script>
   <script type="text/javascript" src='../js/views/identity_key_send_error_view.js' data-cover></script>
-  <script type='text/javascript' src='../js/views/migration_view.js'></script>
 
   <script type="text/javascript" src="views/whisper_view_test.js"></script>
   <script type="text/javascript" src="views/group_update_view_test.js"></script>