Add delete method to Message (#21)

disagreement/http.py

@@ -311,6 +311,13 @@ class HTTPClient:
             "GET", f"/channels/{channel_id}/messages/{message_id}"
         )
 
+    async def delete_message(
+        self, channel_id: "Snowflake", message_id: "Snowflake"
+    ) -> None:
+        """Deletes a message in a channel."""
+
+        await self.request("DELETE", f"/channels/{channel_id}/messages/{message_id}")
+
     async def create_reaction(
         self, channel_id: "Snowflake", message_id: "Snowflake", emoji: str
     ) -> None:

disagreement/models.py

@@ -7,6 +7,7 @@ Data models for Discord objects.
 import json
 import asyncio
 import aiohttp  # pylint: disable=import-error
+import asyncio
 from typing import Optional, TYPE_CHECKING, List, Dict, Any, Union
 
 from .errors import DisagreementException, HTTPException
@@ -199,6 +200,22 @@ class Message:
             view=view,
         )
 
+    async def delete(self, delay: Optional[float] = None) -> None:
+        """|coro|
+
+        Deletes this message.
+
+        Parameters
+        ----------
+        delay:
+            If provided, wait this many seconds before deleting.
+        """
+
+        if delay is not None:
+            await asyncio.sleep(delay)
+
+        await self._client._http.delete_message(self.channel_id, self.id)
+
     def __repr__(self) -> str:
         return f"<Message id='{self.id}' channel_id='{self.channel_id}' author='{self.author!r}'>"