[enh] Prevent infinite pacman when API is not responding.

index.html

@@ -29,7 +29,7 @@
             <div id="slideBack" style="display: none;"></div>
 
             <div id="main" role="main">
-                <a class="slide" href="#/login">
+                <a class="slide" href="#/">
                     <span class="ajax-loader" data-y19n="loading">loading…</span>
                 </a>
             </div>

js/app.js

@@ -48,6 +48,7 @@ app = Sammy('#main', function (sam) {
     // Initialize storage
     var store = new Sammy.Store({name: 'storage', type: storageType});
     var loaded = false;
+    var isInstalledTry = 3;
 
     /**
      * Helpers
@@ -396,15 +397,38 @@ app = Sammy('#main', function (sam) {
                 }
             }, 500);
         }
+
         c.checkInstall(function(isInstalled) {
             if (isInstalled) {
                 domain = window.location.hostname;
                 $('div.loader').remove();
                 c.view('login', { 'domain': domain });
             } else if (typeof isInstalled === 'undefined') {
-                setTimeout(function() {
+                if (isInstalledTry > 0) {
-                    c.redirect('#/');
+                    isInstalledTry--;
-                }, 5000);
+                    loaded = false; // Show pacman
+                    setTimeout(function() {
+                        c.redirect('#/');
+                    }, 5000);
+                }
+                else {
+                    // Reset count
+                    isInstalledTry = 3;
+
+                    // API is not responding after 3 try
+                    $( document ).ajaxError(function( event, request, settings ) {
+                        // Display error if status != 200.
+                        // .ajaxError fire even with status code 200 because json is sometimes not valid.
+                        if (request.status !== 200) c.flash('fail', y18n.t('api_not_responding', [request.status+' '+request.statusText] ));
+
+                        // Unbind directly
+                        $(document).off('ajaxError');
+                    });
+
+                    // Remove pacman
+                    loaded = true;
+                    $('div.loader').remove();
+                }
             } else {
                 $('div.loader').remove();
                 c.redirect('#/postinstall');

locales/en.json

@@ -56,6 +56,7 @@
     "warning_first_user" : "You probably need to <a href='#/users/create' class='alert-link'>create a user</a> first.",
     "unknown_action" : "Unknown action %s",
     "unknown_argument" : "Unknown argument : %s",
+    "api_not_responding" : "API is not responding (Error : %s)",
 
     "confirm_delete" : "Are you sure you want to delete %s ?",
     "confirm_change_maindomain" : "Are you sure you want to change the main domain ?",

locales/fr.json

@@ -55,6 +55,7 @@
     "warning_first_user" : "Vous devez probablement d'abord <a href='#/users/create' class='alert-link'>créer un utilisateur</a>.",
     "unknown_action" : "Action %s inconnue",
     "unknown_argument" : "Argument inconnu : %s",
+    "api_not_responding" : "l'API ne répond pas (Erreur : %s)",
 
     "confirm_delete" : "Êtes-vous sur de vouloir supprimer %s ?",
     "confirm_change_maindomain" : "Êtes-vous sur de vouloir changer le domaine principal ?",