add specific page for download

Controller/ExportController.php

@@ -374,7 +374,7 @@ class ExportController extends Controller
               );
         unset($redirectParameters['_token']);
         
-        return $this->redirectToRoute('chill_main_export_generate', 
+        return $this->redirectToRoute('chill_main_export_download', 
               $redirectParameters);
     }
     
@@ -410,4 +410,11 @@ class ExportController extends Controller
         
         return $r;
     }
+    
+    public function downloadResultAction(Request $request, $alias)
+    {
+        return $this->render("ChillMainBundle:Export:download.html.twig", [
+            'alias' => $alias
+        ]);
+    }
 }

Resources/config/routing/exports.yml

@@ -16,3 +16,8 @@ chill_main_export_generate:
     path: /generate/{alias}
     defaults: { _controller: ChillMainBundle:Export:generate }
     methods: [GET]
+
+chill_main_export_download:
+    path: /download/{alias}
+    defaults: { _controller: ChillMainBundle:Export:downloadResult }
+    methods: [ GET ]

Resources/translations/messages.fr.yml

@@ -142,6 +142,11 @@ Go to formatter options: Vers les options de mise en forme
 Generate the report: Générer le rapport
 No options availables. Your report is fully configured.: Pas d'options disponibles. Votre rapport est déjà configuré.
 
+#export download
+Download export: Téléchargement du rapport
+Waiting for your report: En attente de votre rapport
+Download your report: Télécharger votre rapport
+Problem during download: Problème durant le téléchargement
 # sans valeur
 without data: sans valeur
 

Resources/views/Export/download.html.twig

@@ -0,0 +1,85 @@
+{#
+ * Copyright (C) 2014-2015, Champs Libres Cooperative SCRLFS, 
+ <info@champs-libres.coop> / <http://www.champs-libres.coop>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+#}
+
+{% extends "ChillMainBundle::layoutWithVerticalMenu.html.twig" %}
+
+{% block title "Download export"|trans %}
+    
+{% block js %}
+<script type="text/javascript">
+window.addEventListener("DOMContentLoaded", function(e) {
+    var url = "{{ path('chill_main_export_generate', { 'alias' : alias } ) }}",
+        query = window.location.search,
+        container = document.querySelector("#download_container"),
+        header_content_type
+        ;
+        
+    window.fetch(url+query, { credentials: 'same-origin' })
+            .then(function(response) {
+                if (!response.ok) {
+                    throw Error(response.statusText);
+                }
+                header_content_type = response.headers.get("Content-Type");
+                return response.blob();
+            }).then(function(blob) {
+                var content = URL.createObjectURL(blob),
+                    link = document.createElement("a"),
+                    suffix_file;
+                    
+                switch (header_content_type) {
+                    case 'application/vnd.oasis.opendocument.spreadsheet':
+                        suffix_file = '.ods';
+                        break;
+                    case 'text/csv':
+                        suffix_file = '.csv';
+                        break;
+                    case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+                        suffix_file = '.xlsx';
+                        break;
+                    default:
+                        suffix_file = '';
+                }
+                
+                link.appendChild(document.createTextNode("{{ "Download your report"|trans }}"));
+                link.classList.add("sc-button", "btn-action");
+                link.href = content;
+                link.download = "{{ alias }}"+suffix_file;
+                let waiting_text = container.querySelector("#waiting_text");
+                container.removeChild(waiting_text);
+                container.appendChild(link);
+            }).catch(function(error) {
+                var problem_text = 
+                        document.createTextNode("{{ "Problem during download"|trans }}");
+                
+                container
+                    .replaceChild(problem_text, container.firstChild);
+            })
+            ;
+            
+    
+});   
+</script>
+{% endblock %}
+ 
+{% block layout_wvm_content  %}
+    
+    <h1>{{ "Download export"|trans }}</h1>
+    
+    <div id="download_container"><span id="waiting_text">{{ "Waiting for your report"|trans }}...</span></div>
+    
+{% endblock %}