Adding table for storing relation between profile and his grant and r…

…ound_num contributors + command to compute that table (#10759)

* Adding table for string relation between profile and his grant and round_num contributors + command to compute that table

* fixing linter complaints

app/assets/v2/js/grants/_new.js

@@ -483,7 +483,7 @@ if (document.getElementById('gc-new-grant')) {
       },
       grantTagOptions() {
         const sorted_tags = this.grant_tags.sort((a, b) => a.id - b.id);
-        const next_id = sorted_tags[sorted_tags.length-1].id + 1;
+        const next_id = sorted_tags[sorted_tags.length - 1].id + 1;
         const all_tags = this.grant_tags.sort((a, b) => b.is_eligibility_tag - a.is_eligibility_tag);
         const first_discovery = (tag) => tag.is_eligibility_tag === 0;
 

app/grants/management/commands/compute_grant_contribution_index.py

@@ -0,0 +1,48 @@
+import datetime as dt
+from datetime import timezone
+from time import sleep
+
+from django.core.management.base import BaseCommand
+
+import requests
+from grants.models import Contribution, GrantContributionIndex
+
+
+class Command(BaseCommand):
+
+    help = "rebuilds the table GrantContributionIndex"
+
+    def handle(self, *args, **kwargs):
+        contributions = (
+            Contribution.objects.filter(
+                success=True,
+                subscription__network="mainnet",
+                subscription__grant__clr_calculations__latest=True,
+            )
+            .order_by(
+                "subscription__contributor_profile__id",
+                "subscription__grant__clr_calculations__grantclr__round_num",
+                "subscription__grant__id",
+            )
+            .distinct(
+                "subscription__contributor_profile__id",
+                "subscription__grant__clr_calculations__grantclr__round_num",
+                "subscription__grant__id",
+            )
+            .values_list(
+                "subscription__contributor_profile__id",
+                "subscription__grant__clr_calculations__grantclr__round_num",
+                "subscription__grant__id",
+            )
+        )
+
+        contribIndexList = [
+            GrantContributionIndex(
+                profile_id=contribInfo[0],
+                grant_id=contribInfo[1],
+                round_num=contribInfo[2],
+            )
+            for contribInfo in contributions
+        ]
+
+        GrantContributionIndex.objects.bulk_create(contribIndexList, batch_size=100)

app/grants/migrations/0147_grantcontributionindex.py

@@ -0,0 +1,30 @@
+# Generated by Django 2.2.24 on 2022-08-16 12:10
+
+from django.db import migrations, models
+import django.db.models.deletion
+import economy.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0210_auto_20220718_1306'),
+        ('grants', '0146_auto_20220809_1134'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GrantContributionIndex',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_on', models.DateTimeField(db_index=True, default=economy.models.get_time)),
+                ('modified_on', models.DateTimeField(default=economy.models.get_time)),
+                ('round_num', models.IntegerField(help_text='The round number a user contributed to')),
+                ('grant', models.ForeignKey(help_text='The grant a user contributed to', on_delete=django.db.models.deletion.CASCADE, to='grants.Grant')),
+                ('profile', models.ForeignKey(help_text='Contributor', on_delete=django.db.models.deletion.CASCADE, to='dashboard.Profile')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

app/grants/models/__init__.py

@@ -35,3 +35,4 @@
 from .hall_of_fame import GrantHallOfFame, GrantHallOfFameGrantee
 from .phantom_funding import PhantomFunding
 from .subscription import Subscription
+from .grant_contribution_index import GrantContributionIndex

app/grants/models/grant_contribution_index.py

@@ -0,0 +1,14 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from economy.models import SuperModel
+
+
+class GrantContributionIndex(SuperModel):
+    """Stores the grants and round number to shich a user contributed to.
+    The purpose of this table is to allow a a fast query. This will be used from 
+    the `contributor_statistics`API """
+
+    profile = models.ForeignKey('dashboard.Profile', help_text=_('Contributor'), on_delete=models.CASCADE, db_index=True)
+    grant = models.ForeignKey('Grant', help_text=_('The grant a user contributed to'), on_delete=models.CASCADE)
+    round_num = models.IntegerField(help_text=_('The round number a user contributed to'))