.

generic/models.py

@@ -73,6 +73,7 @@ class ExamBase(models.Model):
     )
 
     json_creation_time = models.DateTimeField(blank=True, default=None, null=True)
+    json_creation_id = models.IntegerField(default=1, help_text="auto incrementing field when json recreated")
 
     #time_limit = models.IntegerField(
     #    help_text="Exam time limit (in seconds). Default is 2100 secondse (35 minutes)",

generic/views.py

@@ -401,6 +401,7 @@ class ExamViews(View, LoginRequiredMixin):
                         "type": self.question_type,
                         "eid": "{}/{}".format(self.question_type, exam.pk),
                         "json_creation_time": creation_time
+                        "json_creation_id": exam.creation_id
                     }
 
                 if self.question_type == "long":
@@ -409,7 +410,7 @@ class ExamViews(View, LoginRequiredMixin):
                         # Generate json if needed
                         if question.json_creation_time is None:
                             question.get_json(question.pk)
-                        h[question.pk] = question.json_creation_time.isoformat()
+                        h[question.pk] = question.json_creation_id
                     obj["multi_question_json"] = h
                 active_exams["exams"].append( obj )
         
@@ -476,9 +477,12 @@ class ExamViews(View, LoginRequiredMixin):
 
         time = datetime.now()
 
+        exam.json_creation_id += 1
+
         with open(path, "w+") as f:
             exam_json = exam.get_exam_json()
-            exam_json["generated"] = "test"+time.isoformat()
+            exam_json["generated"] = time.isoformat()
+            exam_json["creation_id"] = exam.json_creation_id
             f.write(json.dumps(exam_json))
 
         exam.recreate_json = False

longs/models.py

@@ -126,6 +126,8 @@ class Long(models.Model):
 
     json_creation_time = models.DateTimeField(blank=True, default=None, null=True)
 
+    json_creation_id = models.IntegerField(default=1, help_text="Auto incrementing json creation number")
+
     #question_file = models.FileField(upload_to=question_file_directory_path, blank=True, null=True)
 
     def get_absolute_url(self):
@@ -212,6 +214,8 @@ class Long(models.Model):
         url= "{0}longs/questions/{1}.json".format(settings.MEDIA_URL, question_id)
 
         timestamp = datetime.datetime.now()
+        q.json_creation_id += 1
+
         with open(path, "w+") as f:
 
             # We manually create the json for long questions to reducem memroy usade
@@ -219,7 +223,8 @@ class Long(models.Model):
             "title": "{}",
             "type": "long",
             "generated": "{}",
-            """.format(q.history, timestamp.isoformat())
+            "creation_id": "{}",
+            """.format(q.history, timestamp.isoformat(), q.json_creation_id)
             )
 
 
@@ -248,8 +253,8 @@ class Long(models.Model):
             f.write('"image_titles" : {} }}'.format(json.dumps(image_titles)))
 
 
-        self.json_creation_time = timestamp
-        self.save()
+        q.json_creation_time = timestamp
+        q.save()
 
         #exam_question = {
         #    "title": q.history,
@@ -584,7 +589,7 @@ class Exam(ExamBase):
                 # If it is a new question we need to for a question json refresh
                 if q.json_creation_time is None:
                     q.get_json(q.pk)
-                exam_questions[q.id] = q.json_creation_time.isoformat()
+                exam_questions[q.id] = q.json_creation_id
 
             else:
                 # TODO: combine with question_json

longs/templates/longs/long_display_block.html

@@ -57,7 +57,8 @@
 
 </div>
 <div>
-    JSON creation time: {{question.json_creation_time}} ({{question.json_creation_time|date:"c"}}) 
+    JSON creation time: {{question.json_creation_time}} ({{question.json_creation_time|date:"c"}}),
+    JSON creation id: {{question.json_creation_id}}
 </div>
 <a href="{% url 'longs:question_json' pk=question.pk %}">JSON</a>
 <a href="{% url 'longs:question_json_recreate' pk=question.pk %}">Refresh JSON cache</a>

longs/templates/longs/long_series_viewer.html

@@ -1,10 +1,9 @@
-
 <div>{{ series.modality}}, {{ series.examination }}, {{ series.plane }}, {{ series.contrast }}</div>
 
 {% if series.long %}
-Associated case: 
+Associated case:
 {% for long in series.long.all %}
-<a href="{% url 'longs:question_detail' pk=long.pk %}">{{long}}</a> 
+<a href="{% url 'longs:question_detail' pk=long.pk %}">{{long}}</a>
 {% endfor %}
 {% else %}
 This series is not associated with any cases.
@@ -15,12 +14,20 @@ This series is not associated with any cases.
 <div>Author: {{ series.get_author_display }}</div>
 
 <div>
-<a href="{% url 'longs:long_series_order_dicom' pk=series.pk %}" title="orders dicom by slice location">Order dicoms by slice location</a> 
-<a href="{% url 'longs:long_series_order_dicom_instance' pk=series.pk %}" title="orders dicom by instance number">Order dicoms by instance number</a> 
-<a href="{% url 'longs:long_series_order_dicom_SeriesInstanceUID' pk=series.pk %}" title="orders dicom by instance number">Order dicoms by SeriesInstanceUID</a> 
-<a href="{% url 'longs:long_series_order_upload_filename' pk=series.pk %}" title="orders dicom by uploaded filename">Order by uploaded filename</a> 
+    <a href="{% url 'longs:long_series_order_dicom' pk=series.pk %}" title="orders dicom by slice location">Order dicoms
+        by slice location</a>
+    <a href="{% url 'longs:long_series_order_dicom_instance' pk=series.pk %}"
+        title="orders dicom by instance number">Order dicoms by instance number</a>
+    <a href="{% url 'longs:long_series_order_dicom_SeriesInstanceUID' pk=series.pk %}"
+        title="orders dicom by instance number">Order dicoms by SeriesInstanceUID</a>
+    <a href="{% url 'longs:long_series_order_upload_filename' pk=series.pk %}"
+        title="orders dicom by uploaded filename">Order by uploaded filename</a>
 </div>
 {% for image in series.images.all %}
-    {{image.image.url}}, pos: {{image.position}}, {{image.upload_filename}}</br>
-    
-{% endfor %}
+{{image.image.url}}, pos: {{image.position}}, {{image.upload_filename}}</br>
+
+{% endfor %}
+<div>
+    JSON creation time: {{question.json_creation_time}} ({{question.json_creation_time|date:"c"}}),
+    JSON creation id: {{question.json_creation_id}}
+</div>