Add mentions field to Reminders model

pydis_site/apps/api/migrations/0055_reminder_mentions.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.14 on 2020-07-15 07:37
+
+import django.contrib.postgres.fields
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0054_user_invalidate_unknown_role'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='reminder',
+            name='mentions',
+            field=django.contrib.postgres.fields.ArrayField(base_field=models.BigIntegerField(validators=[django.core.validators.MinValueValidator(limit_value=0, message='Mention IDs cannot be negative.')]), blank=True, default=list, help_text='IDs of roles or users to ping with the reminder.', size=None),
+        ),
+    ]

pydis_site/apps/api/migrations/0057_merge_20200716_0751.py

@@ -0,0 +1,14 @@
+# Generated by Django 2.2.14 on 2020-07-16 07:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0055_reminder_mentions'),
+        ('api', '0056_allow_blank_user_roles'),
+    ]
+
+    operations = [
+    ]

pydis_site/apps/api/models/bot/reminder.py

@@ -1,3 +1,4 @@
+from django.contrib.postgres.fields import ArrayField
 from django.core.validators import MinValueValidator
 from django.db import models
 
@@ -45,6 +46,19 @@ class Reminder(ModelReprMixin, models.Model):
     expiration = models.DateTimeField(
         help_text="When this reminder should be sent."
     )
+    mentions = ArrayField(
+        models.BigIntegerField(
+            validators=(
+                MinValueValidator(
+                    limit_value=0,
+                    message="Mention IDs cannot be negative."
+                ),
+            )
+        ),
+        default=list,
+        blank=True,
+        help_text="IDs of roles or users to ping with the reminder."
+    )
 
     def __str__(self):
         """Returns some info on the current reminder, for display purposes."""

pydis_site/apps/api/serializers.py

@@ -203,7 +203,9 @@ class Meta:
         """Metadata defined for the Django REST Framework."""
 
         model = Reminder
-        fields = ('active', 'author', 'jump_url', 'channel_id', 'content', 'expiration', 'id')
+        fields = (
+            'active', 'author', 'jump_url', 'channel_id', 'content', 'expiration', 'id', 'mentions'
+        )
 
 
 class RoleSerializer(ModelSerializer):

pydis_site/apps/api/tests/test_reminders.py

@@ -62,6 +62,7 @@ def test_accepts_valid_data(self):
             'expiration': datetime.utcnow().isoformat(),
             'jump_url': "https://www.google.com",
             'channel_id': 123,
+            'mentions': [8888, 9999],
         }
         url = reverse('bot:reminder-list', host='api')
         response = self.client.post(url, data=data)

pydis_site/apps/api/viewsets/bot/reminder.py

@@ -27,9 +27,16 @@ class ReminderViewSet(
     ...     {
     ...         'active': True,
     ...         'author': 1020103901030,
+    ...         'mentions': [
+    ...             336843820513755157,
+    ...             165023948638126080,
+    ...             267628507062992896
+    ...         ],
     ...         'content': "Make dinner",
     ...         'expiration': '5018-11-20T15:52:00Z',
-    ...         'id': 11
+    ...         'id': 11,
+    ...         'channel_id': 634547009956872193,
+    ...         'jump_url': "https://discord.com/channels/<guild_id>/<channel_id>/<message_id>"
     ...     },
     ...     ...
     ... ]
@@ -43,15 +50,34 @@ class ReminderViewSet(
     #### Request body
     >>> {
     ...     'author': int,
+    ...     'mentions': List[int],
     ...     'content': str,
-    ...     'expiration': str  # ISO-formatted datetime
+    ...     'expiration': str,  # ISO-formatted datetime
+    ...     'channel_id': int,
+    ...     'jump_url': str
     ... }
 
     #### Status codes
     - 201: returned on success
     - 400: if the body format is invalid
     - 404: if no user with the given ID could be found
 
+    ### PATCH /bot/reminders/<id:int>
+    Update the user with the given `id`.
+    All fields in the request body are optional.
+
+    #### Request body
+    >>> {
+    ...     'mentions': List[int],
+    ...     'content': str,
+    ...     'expiration': str  # ISO-formatted datetime
+    ... }
+
+    #### Status codes
+    - 200: returned on success
+    - 400: if the body format is invalid
+    - 404: if no user with the given ID could be found
+
     ### DELETE /bot/reminders/<id:int>
     Delete the reminder with the given `id`.