.

longs/models.py

@@ -79,6 +79,8 @@ class Long(models.Model):
     model_differential_diagnosis = models.TextField(null=True, blank=True)
     model_management = models.TextField(null=True, blank=True)
 
+    mark_scheme = models.TextField(null=True, blank=True)
+
     DEFAULT_SITE_ID = 1
     # site = models.ManyToManyField(
     #    Site,
@@ -171,12 +173,10 @@ class LongSeries(models.Model):
         on_delete=models.SET_NULL,
         null=True,
     )
-    long = models.ForeignKey(
+    long = models.ManyToManyField(
         "Long",
-        help_text="The question this series should be associated with",
+        help_text="The question(s) this series should be associated with",
         related_name="series",
-        on_delete=models.SET_NULL,
-        null=True,
         blank=True,
     )
     description = models.TextField(
@@ -193,7 +193,8 @@ class LongSeries(models.Model):
 
     def __str__(self):
         if self.long:
-            long_id = self.long.pk
+            long_id = ", ".format([long.pk for long in self.long.all()])
+            #long_id = self.long.pk
         else:
             long_id = "None"
         return "{} : {} [{}]".format(