Add a field to store estimated hours for bounties

Refs: gitcoinco#2117

app/dashboard/migrations/0124_bounty_estimated_hours.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.1.2 on 2018-11-29 01:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0123_auto_20181128_1545'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='bounty',
+            name='estimated_hours',
+            field=models.PositiveIntegerField(blank=True, null=True),
+        ),
+    ]

app/dashboard/models.py

@@ -221,6 +221,7 @@ class Bounty(SuperModel):
     token_address = models.CharField(max_length=50)
     bounty_type = models.CharField(max_length=50, choices=BOUNTY_TYPES, blank=True)
     project_length = models.CharField(max_length=50, choices=PROJECT_LENGTHS, blank=True)
+    estimated_hours = models.PositiveIntegerField(blank=True, null=True)
     experience_level = models.CharField(max_length=50, choices=EXPERIENCE_LEVELS, blank=True)
     github_url = models.URLField(db_index=True)
     github_issue_details = JSONField(default=dict, blank=True, null=True)

app/dashboard/tests/test_dashboard_models.py

@@ -67,6 +67,7 @@ def test_bounty():
             bounty_type='Feature',
             experience_level='Intermediate',
             raw_data={},
+            estimated_hours=7,
         )
         bounty_fulfillment = BountyFulfillment.objects.create(
             fulfiller_address='0x0000000000000000000000000000000000000000',
@@ -76,7 +77,7 @@ def test_bounty():
             bounty=bounty,
             profile=fulfiller_profile,
         )
-        assert str(bounty) == f'5: foo, 0 ETH @ {naturaltime(bounty.web3_created)}'
+        assert str(bounty) == f'{bounty.pk}: foo, 0 ETH @ {naturaltime(bounty.web3_created)}'
         assert bounty.url == f'{settings.BASE_URL}issue/gitcoinco/web/11/{bounty.standard_bounties_id}'
         assert bounty.title_or_desc == 'foo'
         assert bounty.issue_description_text == 'hello world'
@@ -92,6 +93,7 @@ def test_bounty():
         assert 'ago 5 Feature Intermediate' in bounty.desc
         assert bounty.is_legacy is False
         assert bounty.get_github_api_url() == 'https://api.github.com/repos/gitcoinco/web/issues/11'
+        assert bounty.estimated_hours == 7
         assert bounty_fulfillment.profile.handle == 'fred'
         assert bounty_fulfillment.bounty.title == 'foo'