issue #172 added timeout monitoring to ajax calls.

6 files changed, 119 insertions, 19 deletions

diff --git a/web-ui/app/js/features/features.js b/web-ui/app/js/features/features.js
index 1a00658d..04e1fa63 100644
--- a/web-ui/app/js/features/features.js
+++ b/web-ui/app/js/features/features.js
@@ -16,7 +16,7 @@
  */
 /* global _ */
 'use strict';
-define([], function() {
+define(['helpers/monitored_ajax'], function(monitoredAjax) {
   var cachedDisabledFeatures;
   var cachedDispatcherFeatures;
 
@@ -32,7 +32,7 @@ define([], function() {
 
   function fetchFeatures() {
     var features;
-    $.ajax('/features', {
+    monitoredAjax(this, '/features', {
       async: false,
       success: function (results){
 	features = results;
diff --git a/web-ui/app/js/helpers/monitored_ajax.js b/web-ui/app/js/helpers/monitored_ajax.js
new file mode 100644
index 00000000..7fdd568a
--- /dev/null
+++ b/web-ui/app/js/helpers/monitored_ajax.js
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2014 ThoughtWorks, Inc.
+ *
+ * Pixelated is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Pixelated is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*global _ */
+
+define(
+  ['page/events',
+   'views/i18n'],
+  function(events, i18n) {
+    function monitoredAjax(on, url, config) {
+      if (config) {
+        config.timeout = 5*1000;
+      }
+      return $.ajax(url, config).fail(function(xmlhttprequest, textstatus, message) {
+        console.log("fails for reason: " + textstatus);
+        msg = ""
+        switch (textstatus) {
+          case "timeout":
+            msg = "a timeout occurred";
+            break;
+          case "error":
+            msg = "problems talking to server";
+            break;
+          case "parseerror":
+            msg = "got invalid response from server";
+            break;
+          default:
+            msg = "unexpected problem while talking to server";
+        }
+        on.trigger(document, events.ui.userAlerts.displayMessage, { message: i18n(msg) });
+      }.bind(this));  
+    }
+
+    return monitoredAjax;
+  }
+);
diff --git a/web-ui/app/js/mail_view/data/mail_sender.js b/web-ui/app/js/mail_view/data/mail_sender.js
index 7ada0d16..f769c262 100644
--- a/web-ui/app/js/mail_view/data/mail_sender.js
+++ b/web-ui/app/js/mail_view/data/mail_sender.js
@@ -19,9 +19,10 @@ define(
     'flight/lib/component',
     'mail_view/data/mail_builder',
     'page/events',
+    'helpers/monitored_ajax',
     'features'
   ],
-  function (defineComponent, mailBuilder, events, features) {
+  function (defineComponent, mailBuilder, events, monitoredAjax, features) {
     'use strict';
 
     return defineComponent(mailSender);
@@ -60,7 +61,7 @@ define(
       });
 
       this.sendMail = function(event, data) {
-        $.ajax(this.attr.mailsResource, {
+        monitoredAjax(this, this.attr.mailsResource, {
           type: 'POST',
           dataType: 'json',
           contentType: 'application/json; charset=utf-8',
@@ -70,7 +71,7 @@ define(
       };
 
       this.saveMail = function(mail) {
-        return $.ajax(this.attr.mailsResource, {
+        return monitoredAjax(this, this.attr.mailsResource, {
           type: 'PUT',
           dataType: 'json',
           contentType: 'application/json; charset=utf-8',
diff --git a/web-ui/app/js/mixins/with_monitored_ajax.js b/web-ui/app/js/mixins/with_monitored_ajax.js
new file mode 100644
index 00000000..2fbd1766
--- /dev/null
+++ b/web-ui/app/js/mixins/with_monitored_ajax.js
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2014 ThoughtWorks, Inc.
+ *
+ * Pixelated is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Pixelated is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*global _ */
+
+define(
+  ['page/events',
+   'views/i18n'],
+  function(events, i18n) {
+    function withMonitoredAjax() {
+      this.monitoredAjax = function (url, config) {
+	config.timeout = 1;      
+        return $.ajax(url, config).fail(function(xmlhttprequest, textstatus, message) {
+	  console.log("fails for reason: " + textstatus);
+	  msg = ""
+	  switch (textstatus) {
+	    case "timeout":
+	      msg = "a timeout occurred";
+	      break;
+	    case "error":
+	      msg = "problems talking to server";
+	      break;
+	    case "parseerror":
+	      msg = "got invalid response from server";
+	      break;
+	    default:
+	      msg = "unexpected problem while talking to server";
+	  }
+          this.trigger(document, events.ui.userAlerts.displayMessage, { message: i18n(msg) });
+	}.bind(this));	
+      };
+    };
+
+    return withMonitoredAjax;
+  });
diff --git a/web-ui/app/js/services/mail_service.js b/web-ui/app/js/services/mail_service.js
index 1383f74e..7c593885 100644
--- a/web-ui/app/js/services/mail_service.js
+++ b/web-ui/app/js/services/mail_service.js
@@ -22,9 +22,10 @@ define(
     'flight/lib/component',
     'views/i18n',
     'services/model/mail',
+    'helpers/monitored_ajax',
     'page/events',
     'features'
-  ], function (defineComponent, i18n, Mail, events, features) {
+  ], function (defineComponent, i18n, Mail, monitoredAjax, events, features) {
 
     'use strict';
 
@@ -65,7 +66,7 @@ define(
           this.trigger(document, events.ui.userAlerts.displayMessage, { message: msg });
         };
 
-        $.ajax('/mail/' + ident + '/tags', {
+        monitoredAjax(this, '/mail/' + ident + '/tags', {
           type: 'POST',
           contentType: 'application/json; charset=utf-8',
           data: JSON.stringify({newtags: data.tags})
@@ -79,12 +80,12 @@ define(
           mailIdents = _.map(data.checkedMails, function (mail) {
             return mail.ident;
           });
-          $.ajax('/mails/read', {
+          monitoredAjax(this, '/mails/read', {
             type: 'POST',
             data: {idents: JSON.stringify(mailIdents)}
           }).done(this.triggerMailsRead(data.checkedMails));
         } else {
-          $.ajax('/mail/' + data.ident + '/read', {type: 'POST'});
+          monitoredAjax(this, '/mail/' + data.ident + '/read', {type: 'POST'});
         }
       };
 
@@ -94,12 +95,12 @@ define(
           mailIdents = _.map(data.checkedMails, function (mail) {
             return mail.ident;
           });
-          $.ajax('/mails/unread', {
+          monitoredAjax(this, '/mails/unread', {
             type: 'POST',
             data: {idents: JSON.stringify(mailIdents)}
           }).done(this.triggerMailsRead(data.checkedMails));
         } else {
-          $.ajax('/mail/' + data.ident + '/read', {type: 'POST'});
+          monitoredAjax(this, '/mail/' + data.ident + '/read', {type: 'POST'});
         }
       };
 
@@ -124,7 +125,7 @@ define(
       };
 
       this.deleteMail = function (ev, data) {
-        $.ajax('/mail/' + data.mail.ident,
+        monitoredAjax(this, '/mail/' + data.mail.ident,
           {type: 'DELETE'})
           .done(this.triggerDeleted(data))
           .fail(this.errorMessage(i18n('Could not delete email')));
@@ -136,7 +137,7 @@ define(
           return mail.ident;
         });
 
-        $.ajax('/mails', {
+        monitoredAjax(this, '/mails', {
           type: 'DELETE',
           data: {idents: JSON.stringify(mailIdents)}
         }).done(this.triggerDeleted(dataToDelete))
@@ -197,14 +198,15 @@ define(
         var w = this.attr.w;
         var url = this.attr.mailsResource + '?q=' + escaped(this.excludeTrashedEmailsForDraftsAndSent(query)) + '&p=' + p + '&w=' + w;
         this.attr.lastQuery = this.excludeTrashedEmailsForDraftsAndSent(query);
-        $.ajax(url, { dataType: 'json' })
+        monitoredAjax(this, url, { dataType: 'json' })
           .done(function (data) {
             this.attr.numPages = Math.ceil(data.stats.total / this.attr.w);
             var eventToTrigger = fromRefresh ? events.mails.availableForRefresh : events.mails.available;
             this.trigger(document, eventToTrigger, _.merge(_.merge({tag: tag }, eventData), this.parseMails(data)));
           }.bind(this))
           .fail(function () {
-            this.trigger(document, events.ui.userAlerts.displayMessage, { message: i18n('Could not fetch messages') });
+            //this.trigger(document, events.ui.userAlerts.displayMessage, { message: i18n('Could not fetch messages') });
+	    console.log("this fail has been called, too")
           }.bind(this));
       };
 
@@ -215,7 +217,7 @@ define(
       this.fetchSingle = function (event, data) {
         var fetchUrl = createSingleMailUrl(this.attr.singleMailResource, data.mail);
 
-        $.ajax(fetchUrl, { dataType: 'json' })
+        monitoredAjax(this, fetchUrl, { dataType: 'json' })
           .done(function (mail) {
             if (_.isNull(mail)) {
               this.trigger(data.caller, events.mail.notFound);
@@ -254,7 +256,7 @@ define(
           return;
         }
 
-        $.ajax('/draft_reply_for/' + data.ident, { dataType: 'json' })
+        monitoredAjax(this, '/draft_reply_for/' + data.ident, { dataType: 'json' })
           .done(function (mail) {
             if (_.isNull(mail)) {
               this.trigger(document, events.mail.draftReply.notFound);
diff --git a/web-ui/app/js/tags/data/tags.js b/web-ui/app/js/tags/data/tags.js
index 4a1e6af0..40614fea 100644
--- a/web-ui/app/js/tags/data/tags.js
+++ b/web-ui/app/js/tags/data/tags.js
@@ -14,7 +14,7 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
  */
-define(['flight/lib/component', 'page/events', 'mixins/with_feature_toggle'], function (defineComponent, events, withFeatureToggle) {
+define(['flight/lib/component', 'page/events', 'helpers/monitored_ajax', 'mixins/with_feature_toggle'], function (defineComponent, events, monitoredAjax,  withFeatureToggle) {
   'use strict';
 
   var DataTags = defineComponent(dataTags, withFeatureToggle('tags', function() {
@@ -49,7 +49,7 @@ define(['flight/lib/component', 'page/events', 'mixins/with_feature_toggle'], fu
     });
 
     this.fetchTags = function(event, params) {
-      $.ajax(this.attr.tagsResource)
+      monitoredAjax(this, this.attr.tagsResource)
         .done(sendTagsBackTo(this, params));
     };