allow to add multiple files

app/scripts/models/app-model.js

@@ -72,17 +72,19 @@ var AppModel = Backbone.Model.extend({
 
     applyUserConfig(config) {
         this.settings.set(config.settings);
-        if (config.file && config.file.storage && config.file.name && config.file.path) {
-            if (!this.fileInfos.getMatch(config.file.storage, config.file.name, config.file.path)) {
-                var fileInfo = new FileInfoModel({
+        if (config.files) {
+            config.files
+                .filter(file => file && file.storage && file.name && file.path &&
+                    !this.fileInfos.getMatch(file.storage, file.name, file.path))
+                .map(file => new FileInfoModel({
                     id: IdGenerator.uuid(),
-                    name: config.file.name,
-                    storage: config.file.storage,
-                    path: config.file.path,
-                    opts: config.file.options
-                });
-                this.fileInfos.unshift(fileInfo);
-            }
+                    name: file.name,
+                    storage: file.storage,
+                    path: file.path,
+                    opts: file.options
+                }))
+                .reverse()
+                .forEach(fi => this.fileInfos.unshift(fi));
         }
     },
 
@@ -358,7 +360,7 @@ var AppModel = Backbone.Model.extend({
                 logger.info('Load from storage');
                 storage.load(params.path, params.opts, (err, data, stat) => {
                     if (err) {
-                        if (fileInfo) {
+                        if (fileInfo && fileInfo.openDate) {
                             logger.info('Open file from cache because of storage load error', err);
                             that.openFileFromCache(params, callback, fileInfo);
                         } else {

app/scripts/util/locale.js

@@ -169,6 +169,7 @@ var Locale = {
     openConfigErrorNotFound: 'File not found',
     openError: 'Error',
     openErrorDescription: 'There was an error opening file',
+    openErrorFileNotFound: 'File not found',
 
     detAttDownload: 'Shift-click attachment button to download or ',
     detAttDelToRemove: 'Delete to remove',

app/scripts/views/open-view.js

@@ -471,6 +471,9 @@ var OpenView = Backbone.View.extend({
             this.inputEl[0].selectionStart = 0;
             this.inputEl[0].selectionEnd = this.inputEl.val().length;
             if (err.code !== 'InvalidKey') {
+                if (err.notFound) {
+                    err = Locale.openErrorFileNotFound;
+                }
                 Alerts.error({
                     header: Locale.openError,
                     body: Locale.openErrorDescription + '<pre class="modal__pre">' + _.escape(err.toString()) + '</pre>'

util/config-example.json

@@ -35,10 +35,10 @@
     "onedrive": true,
     "onedriveClientId": null
   },
-  "file": {
+  "files": [{
     "storage": "webdav",
     "name": "",
     "path": "",
     "options": { "user": "", "password": "" }
-  }
+  }]
 }