erster Versuch, ein PDF zu extrahieren [funktioniert nicht]

1 files changed, 44 insertions, 12 deletions

diff --git a/js/index.js b/js/index.js
index 837d5eb..162a810 100644
--- a/js/index.js
+++ b/js/index.js
@@ -15,21 +15,52 @@
  *   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/>.
 */
+function fail(text){
+    alert("Etwas ist schiefgelaufen: " + text);
+}
 
 function download_pdf(link){
-    var request = $.ajax({
-        type: "GET",
-        url: link
-    });
+    var filename = link.substring(link.lastIndexOf('/') + 1);
 
-    request.done(function(result){
-        // TODO
-        console.log('Plan heruntergeladen');
-    });
+    window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function(fileSystem){
+        fileSystem.root.getFile(filename, {create: true, exclusive: false}, function(fileEntry){
+            var localPath = fileEntry.fullPath;
+            if(device.platform == "Android" && localPath.indexOf("file://") == 0){
+                localPath = localPath.substring(7);
+            }
+            var ft = new FileTransfer();
+            ft.download(link,
+                localPath, function(entry){
+                    $('#input').attr('src', entry.fullPath);
 
-    request.fail(function(jqXHR, textStatus){
-        alert("Etwas ist schiefgelaufen: " + textStatus);
-    });
+                    var input = document.getElementById("input");
+                    var processor = document.getElementById("processor");
+                    var output = document.getElementById("output");
+
+                    window.addEventListener("message", function(event){
+                        if(event.source != processor.contentWindow) return;
+
+                        switch(event.data){
+                            case "ready":
+                                var xhr = new XMLHttpRequest;
+                                xhr.open("GET", input.getAttribute("src"), true);
+                                xhr.responseType = "arraybuffer";
+
+                                xhr.onload = function(event){
+                                    processor.contentWindow.postMessage(this.response, "*");
+                                };
+
+                                xhr.send();
+                                break;
+
+                            default:
+                                output.textContent = event.data.replace(/\s+/g, " ");
+                                break;
+                        }
+                    }, true);
+                }, fail);
+        }, fail);
+    }, fail);
 }
 
 function get_plan(link){
@@ -39,7 +70,7 @@ function get_plan(link){
     });
 
     request.done(function(result){
-        var pdf_re = new RegExp("http://***REMOVED***\\.de/moodle/pluginfile\\.php/\\d+/mod_resource/content/\\d+.*?\\.pdf");
+        var pdf_re = new RegExp("(http://***REMOVED***\\.de/moodle/pluginfile\\.php/\\d+/mod_resource/content/\\d+.*?\\.pdf)");
         var pdflink = pdf_re.exec(result)[1];
 
         console.log('Plan gefunden: ' + pdflink);
@@ -63,6 +94,7 @@ function get_overview(link){
         var links = plans_re.exec(result);
 
         for(var i = 1; i < links.length; i += 2){
+            console.log('suche Plan ' + links[i]);
             get_plan(links[i]);
         }