.

generic/models.py

@@ -1,8 +1,12 @@
 from django.db import models
 
+from django.urls import reverse
+
 import tagulous
 import tagulous.models
 
+from sortedm2m.fields import SortedManyToManyField
+
 
 class Examination(models.Model):
     examination = models.CharField(max_length=200)
@@ -25,3 +29,43 @@ class Condition(tagulous.models.TagModel):
 
 class Sign(tagulous.models.TagModel):
     pass
+
+
+class ExamBase(models.Model):
+    name = models.CharField(max_length=200)
+    #exam_questions = SortedManyToManyField(Long, related_name="exams", blank="true")
+
+    active = models.BooleanField(
+        help_text="If an exam should be available", default=True
+    )
+
+    publish_results = models.BooleanField(
+        help_text="If an exams results should be available", default=True
+    )
+
+    recreate_json = models.BooleanField(
+        help_text="If the json cache needs updating", default=False
+    )
+
+    #time_limit = models.IntegerField(
+    #    help_text="Exam time limit (in seconds). Default is 2100 secondse (35 minutes)",
+    #    default=2100,
+    #)
+
+    class Meta:
+        abstract = True
+
+    def __str__(self):
+        return self.name
+
+    def get_absolute_url(self):
+        return reverse("{}:exam_overview".format(self.app_name), kwargs={"pk": self.pk})
+
+    def get_exam_name(self):
+        return self.name
+
+    def get_json_url(self):
+        return reverse("{}:exam_json".format(self.app_name), args=(self.pk,))
+
+    def get_question_index(self, question):
+        return list(self.exam_questions.all()).index(question)