Change platform js lib 'medal-0.0.2.js' to accept an error callback

Cargo.lock

@@ -1064,7 +1064,7 @@ checksum = "79c56d6a0b07f9e19282511c83fc5b086364cbae4ba8c7d5f190c3d9b0425a48"
 
 [[package]]
 name = "medal"
-version = "1.7.1"
+version = "1.7.2"
 dependencies = [
  "bcrypt",
  "csv",

static/lib/medal/medal-0.0.2.js

@@ -14,17 +14,17 @@ function hash_to_dict() {
 window.hashdict = hash_to_dict();
 
 
-window.load_task_object = function (callback) {
+window.load_task_object = function (callback, error) {
   console.log(callback);
   $.get("/load/" + window.hashdict["taskid"], {},
         function(data) {
           callback(data);
         }, "json").fail(function(){
-          alert("Load failed.");
+          if (error) { error(); } else { alert("Load failed."); }
         })
 }
 
-window.save_task_object = function (object, grade, callback) {
+window.save_task_object = function (object, grade, callback, error) {
   if (!grade) grade = 0;
   if (!callback) callback = function(data){};
 
@@ -34,12 +34,12 @@ window.save_task_object = function (object, grade, callback) {
     grade: JSON.stringify(grade)
   }
   $.post("/save/" + window.hashdict["taskid"], params, callback, "json").fail(function(){
-    alert("Save failed.");
+    if (error) { error(); } else { alert("Save failed."); }
   });
 }
 
 
-window.load_subtask_object = function (subtaskname, callback) {
+window.load_subtask_object = function (subtaskname, callback, error) {
   var params = {
     subtask: subtaskname
   }
@@ -47,11 +47,11 @@ window.load_subtask_object = function (subtaskname, callback) {
         function(data) {
           callback(data);
         }, "json").fail(function(){
-          alert("Load failed.");
+          if (error) { error(); } else { alert("Load failed."); }
         })
 }
 
-window.save_subtask_object = function (subtaskname, object, grade, callback) {
+window.save_subtask_object = function (subtaskname, object, grade, callback, error) {
   if (!grade) grade = 0;
   if (!callback) callback = function(data){};
 
@@ -62,6 +62,6 @@ window.save_subtask_object = function (subtaskname, object, grade, callback) {
     grade: JSON.stringify(grade)
   }
   $.post("/save/" + window.hashdict["taskid"], params, callback, "json").fail(function(){
-    alert("Save failed.");
+    if (error) { error(); } else { alert("Save failed."); }
   });
 }

tasks/jwinf/wrapper.html

@@ -59,8 +59,12 @@ function getTaskProxyCallback(task) {
         task.reloadAnswer('', reloadAnswerCallback, ec("task.reloadAnswer"));
       }
     }
+    function load_task_error() {
+      task.reloadAnswer('', reloadAnswerCallback, ec("task.reloadAnswer"));
+      alert("Laden fehlgeschlagen");
+    }
 
-    window.load_task_object(load_task_callback);
+    window.load_task_object(load_task_callback, load_task_error);
   }
 
   function showViewsCallback(){
@@ -83,8 +87,12 @@ function getTaskProxyCallback(task) {
       function save_task_callback() {
         console.log("OK transmission");
       };
+      function save_task_error() {
+        console.log("ERROR transmission");
+        alert("Speichern fehlgeschlagen");
+      };
 
-      window.save_task_object({"text": answer}, score, save_task_callback)
+      window.save_task_object({"text": answer}, score, save_task_callback, save_task_error);
     }
 
     task.gradeAnswer(answer, {}, gradeAnswerCallback, ec("task.gradeAnswer"));