Add the abstract `Message` model.

2 files changed, 42 insertions, 1 deletions

diff --git a/api/models.py b/api/models.py
index 9990e266..3ba0ac5c 100644
--- a/api/models.py
+++ b/api/models.py
@@ -210,6 +210,37 @@ class Member(ModelReprMixin, models.Model):
         return f"{self.name}#{self.discriminator}"
 
 
+class Message(ModelReprMixin, models.Model):
+    id = models.BigIntegerField(
+        primary_key=True,
+        help_text="The message ID as taken from Discord.",
+        validators=(
+            MinValueValidator(
+                limit_value=0,
+                message="Message IDs cannot be negative."
+            ),
+        )
+    )
+    author = models.ForeignKey(
+        Member,
+        on_delete=models.CASCADE,
+        help_text="The author of this message."
+    )
+    content = models.CharField(
+        max_length=2_000,
+        help_text="The content of this message, taken from Discord."
+    )
+    embeds = pgfields.ArrayField(
+        pgfields.JSONField(
+            validators=(validate_tag_embed,)
+        ),
+        help_text="Embeds attached to this message."
+    )
+
+    class Meta:
+        abstract = True
+
+
 class Tag(ModelReprMixin, models.Model):
     """A tag providing (hopefully) useful information."""
 
diff --git a/api/tests/test_models.py b/api/tests/test_models.py
index 91db2def..1e4af806 100644
--- a/api/tests/test_models.py
+++ b/api/tests/test_models.py
@@ -1,7 +1,8 @@
 from django.test import SimpleTestCase
 
 from ..models import (
-    DocumentationLink, Member, ModelReprMixin,
+    DocumentationLink, Member,
+    Message, ModelReprMixin,
     OffTopicChannelName, Role,
     SnakeFact, SnakeIdiom,
     SnakeName, SpecialSnake,
@@ -41,6 +42,15 @@ class StringDunderMethodTests(SimpleTestCase):
                 id=5, name='test role',
                 colour=0x5, permissions=0
             ),
+            Message(
+                id=45,
+                author=Member(
+                    id=444, name='bill',
+                    discriminator=5, avatar_hash=None
+                ),
+                content="wooey",
+                embeds=[]
+            ),
             Member(
                 id=5, name='bob',
                 discriminator=1, avatar_hash=None