feat: add ability grant_excludes (#10264)

* feat: add ability grant_excludes

* add migration file

* address feedback

app/grants/clr_data_src.py

@@ -1,6 +1,6 @@
 from django.db import connection
 
-from grants.models import Contribution, Grant, GrantCollection
+from grants.models import Contribution, GrantCollection
 from townsquare.models import SquelchProfile
 
 
@@ -17,6 +17,7 @@ def fetch_grants(clr_round, network='mainnet'):
     '''
 
     grant_filters = clr_round.grant_filters
+    grant_excludes = clr_round.grant_excludes
     collection_filters = clr_round.collection_filters
 
     grants = clr_round.grants.filter(network=network, hidden=False, active=True, is_clr_eligible=True, link_to_new_grant=None)
@@ -29,6 +30,9 @@ def fetch_grants(clr_round, network='mainnet'):
         grant_ids = GrantCollection.objects.filter(**collection_filters).values_list('grants', flat=True)
         grants = grants.filter(pk__in=grant_ids)
 
+    if grant_excludes:
+        grants = grants.exclude(**grant_excludes)
+
     return grants
 
 

app/grants/migrations/0139_grantclr_grant_excludes.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.24 on 2022-03-08 03:12
+
+import django.contrib.postgres.fields.jsonb
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('grants', '0138_granttag_is_eligibility_tag'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='grantclr',
+            name='grant_excludes',
+            field=django.contrib.postgres.fields.jsonb.JSONField(blank=True, default=dict, help_text='Grants excluded in this CLR round', null=True),
+        ),
+    ]

app/grants/models/grant.py

@@ -130,6 +130,11 @@ class Meta:
         null=True, blank=True,
         help_text="Grants allowed in this CLR round"
     )
+    grant_excludes = JSONField(
+        default=dict,
+        null=True, blank=True,
+        help_text="Grants excluded in this CLR round"
+    )
     subscription_filters = JSONField(
         default=dict,
         null=True, blank=True,

app/grants/tests/models/test_grant_clr.py

@@ -90,6 +90,17 @@ def test_grant_clr_has_grant_filters(self):
         assert grant_clr.grant_filters == {}
         assert len(grant_clr.grant_filters) == 0
 
+
+    def test_grant_clr_has_grant_excludes(self):
+        """Test grant_excludes attribute is present and defaults to an empty dictionary."""
+
+        grant_clr = GrantCLRFactory()
+
+        assert hasattr(grant_clr, 'grant_excludes')
+        assert grant_clr.grant_excludes == {}
+        assert len(grant_clr.grant_excludes) == 0
+
+
     def test_grant_clr_has_subscription_filters(self):
         """Test subscription_filters attribute is present and defaults to an empty dictionary."""