Merge pull request #536 from bast0006/fix-nitro-message

Adjust Message model to support new nitro messages with over 4000 chars

Author: Akarys42

pydis_site/apps/api/migrations/0071_increase_message_content_4000.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.14 on 2021-06-24 14:45
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0070_auto_20210618_2114'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='deletedmessage',
+            name='content',
+            field=models.CharField(blank=True, help_text='The content of this message, taken from Discord.', max_length=4000),
+        ),
+    ]

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

@@ -43,7 +43,7 @@ class Message(ModelReprMixin, models.Model):
         verbose_name="Channel ID"
     )
     content = models.CharField(
-        max_length=2_000,
+        max_length=4_000,
         help_text="The content of this message, taken from Discord.",
         blank=True
     )

pydis_site/apps/api/tests/test_models.py

@@ -1,6 +1,7 @@
 from datetime import datetime as dt
 
-from django.test import SimpleTestCase
+from django.core.exceptions import ValidationError
+from django.test import SimpleTestCase, TestCase
 from django.utils import timezone
 
 from pydis_site.apps.api.models import (
@@ -34,6 +35,43 @@ def test_shows_attributes(self):
         self.assertEqual(repr(self.klass), expected)
 
 
+class NitroMessageLengthTest(TestCase):
+    def setUp(self):
+        self.user = User.objects.create(id=50, name='bill', discriminator=5)
+        self.context = MessageDeletionContext.objects.create(
+            id=50,
+            actor=self.user,
+            creation=dt.utcnow()
+        )
+
+    def test_create(self):
+        message = DeletedMessage(
+            id=46,
+            author=self.user,
+            channel_id=666,
+            content="w"*4000,
+            deletion_context=self.context,
+            embeds=[]
+        )
+
+        try:
+            message.clean_fields()
+        except Exception as e:  # pragma: no cover
+            self.fail(f"Creation of message of length 3950 failed with: {e}")
+
+    def test_create_failure(self):
+        message = DeletedMessage(
+            id=47,
+            author=self.user,
+            channel_id=666,
+            content="w"*4001,
+            deletion_context=self.context,
+            embeds=[]
+        )
+
+        self.assertRaisesRegex(ValidationError, "content':", message.clean_fields)
+
+
 class StringDunderMethodTests(SimpleTestCase):
     def setUp(self):
         self.nomination = Nomination(