defer clr contribs

app/grants/clr.py

@@ -280,7 +280,8 @@ def predict_clr(random_data=False, save_to_db=False, from_date=None):
                 all_summed_contributions.append({str(profile_id): sum_of_each_profiles_contributions})
 
             # for each grant, list the contributions in key value pairs like {'profile id': sum of contributions}
-            contrib_data.append({'id': grant.id, 'contributions': all_summed_contributions})
+            grant_id = grant.defer_clr_to.pk if grant.defer_clr_to else grant.id
+            contrib_data.append({'id': grant_id, 'contributions': all_summed_contributions})
 
     else:
         # use random contribution data for testing

app/grants/migrations/0033_grant_defer_clr_to.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.4 on 2019-10-04 21:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('grants', '0032_auto_20191001_1214'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='grant',
+            name='defer_clr_to',
+            field=models.ForeignKey(help_text='The Grant that this grant defers it CLR contributions to (if any).', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='defered_clr_from', to='grants.Grant'),
+        ),
+    ]

app/grants/models.py

@@ -199,6 +199,13 @@ class Meta:
     weighted_shuffle = models.PositiveIntegerField(blank=True, null=True)
     contribution_count = models.PositiveIntegerField(blank=True, default=0)
     contributor_count = models.PositiveIntegerField(blank=True, default=0)
+    defer_clr_to = models.ForeignKey(
+        'grants.Grant',
+        related_name='defered_clr_from',
+        on_delete=models.CASCADE,
+        help_text=_('The Grant that this grant defers it CLR contributions to (if any).'),
+        null=True,
+    )
 
     # Grant Query Set used as manager.
     objects = GrantQuerySet.as_manager()