Replace Backbone saveFile with Attachment.save

js/views/attachment_view.js

@@ -2,7 +2,6 @@
 /* global _: false */
 /* global Backbone: false */
 /* global filesize: false */
-/* global moment: false */
 
 /* global i18n: false */
 /* global Signal: false */
@@ -103,12 +102,6 @@
 
       this.remove();
     },
-    getFileType() {
-      switch (this.model.contentType) {
-        case 'video/quicktime': return 'mov';
-        default: return this.model.contentType.split('/')[1];
-      }
-    },
     onClick() {
       if (!this.isImage()) {
         this.saveFile();
@@ -182,26 +175,11 @@
 
       return i18n('unnamedFile');
     },
-    suggestedName() {
-      if (this.model.fileName) {
-        return this.model.fileName;
-      }
-
-      let suggestion = 'signal';
-      if (this.timestamp) {
-        suggestion += moment(this.timestamp).format('-YYYY-MM-DD-HHmmss');
-      }
-      const fileType = this.getFileType();
-      if (fileType) {
-        suggestion += `.${fileType}`;
-      }
-      return suggestion;
-    },
     saveFile() {
-      const url = window.URL.createObjectURL(this.blob, { type: 'octet/stream' });
-      const a = $('<a>').attr({ href: url, download: this.suggestedName() });
-      a[0].click();
-      window.URL.revokeObjectURL(url);
+      Signal.Types.AttachmentTS.save({
+        attachment: this.model,
+        timestamp: this.timestamp,
+      });
     },
     render() {
       if (!this.isImage()) {