Remove res.redirect from db.exportContent

closes #1654
- added frontend route /ghost/export/
- removed request handling from API

core/server/api/db.js

@@ -16,32 +16,10 @@ api.notifications    = require('./notifications');
 api.settings         = require('./settings');
 
 db = {
-    'exportContent': function (req, res) {
-        /*jslint unparam:true*/
-        return dataExport().then(function (exportedData) {
-            // Save the exported data to the file system for download
-            var fileName = path.join(config().paths.exportPath, 'exported-' + (new Date().getTime()) + '.json');
-
-            return nodefn.call(fs.writeFile, fileName, JSON.stringify(exportedData)).then(function () {
-                return when(fileName);
-            });
-        }).then(function (exportedFilePath) {
-            // Send the exported data file
-            res.download(exportedFilePath, 'GhostData.json');
-        }).otherwise(function (error) {
-            // Notify of an error if it occurs
-            return api.notifications.browse().then(function (notifications) {
-                var notification = {
-                    type: 'error',
-                    message: error.message || error,
-                    status: 'persistent',
-                    id: 'per-' + (notifications.length + 1)
-                };
-
-                return api.notifications.add(notification).then(function () {
-                    res.redirect(config().paths.debugPath);
-                });
-            });
+    'exportContent': function () {
+        // Export data, otherwise send error 500
+        return dataExport().otherwise(function (error) {
+            return when.reject({errorCode: 500, message: error.message || error});
         });
     },
     'importContent': function (options) {

core/server/controllers/admin.js

@@ -111,6 +111,28 @@ adminControllers = {
                 bodyClass: 'settings',
                 adminNav: setSelected(adminNavbar, 'settings')
             });
+        },
+        // frontend route for downloading a file
+        exportContent: function (req, res) {
+            /*jslint unparam:true*/
+            api.db.exportContent().then(function (exportData) {
+                // send a file to the client
+                res.set('Content-Disposition', 'attachment; filename="GhostData.json"');
+                res.json(exportData);
+            }).otherwise(function (err) {
+                var notification = {
+                    type: 'error',
+                    message: 'Your export file could not be generated.',
+                    status: 'persistent',
+                    id: 'errorexport'
+                };
+
+                errors.logError(err, 'admin.js', "Your export file could not be generated.");
+
+                return api.notifications.add(notification).then(function () {
+                    res.redirect(config().paths.subdir + '/ghost/debug');
+                });
+            });
         }
     },
     // Route: upload

core/server/routes/admin.js

@@ -43,6 +43,8 @@ module.exports = function (server) {
     server.get('/ghost/settings*', admin.settings);
     server.get('/ghost/debug/', admin.debug.index);
 
+    server.get('/ghost/export/', admin.debug.exportContent);
+
     server.post('/ghost/upload/', middleware.busboy, admin.upload);
 
     // redirect to /ghost and let that do the authentication to prevent redirects to /ghost//admin etc.

core/server/routes/api.js

@@ -24,7 +24,7 @@ module.exports = function (server) {
     server.del('/ghost/api/v0.1/notifications/:id', api.requestHandler(api.notifications.destroy));
     server.post('/ghost/api/v0.1/notifications/', api.requestHandler(api.notifications.add));
     // #### Import/Export
-    server.get('/ghost/api/v0.1/db/', api.db.exportContent);
+    server.get('/ghost/api/v0.1/db/', api.requestHandler(api.db.exportContent));
     server.post('/ghost/api/v0.1/db/', middleware.busboy, api.requestHandler(api.db.importContent));
     server.del('/ghost/api/v0.1/db/', api.requestHandler(api.db.deleteAllContent));
 };

core/server/views/debug.hbs

@@ -20,7 +20,7 @@
                 <fieldset>
                     <div class="form-group">
                         <label>Export</label>
-                        <a href="{{admin_url}}/api/v0.1/db/" class="button-save">Export</a>
+                        <a href="{{admin_url}}/export/" class="button-save">Export</a>
                         <p>Export the blog settings and data.</p>
                     </div>
                 </fieldset>