Use embeds

src/bot.py

@@ -1,6 +1,7 @@
 import os
 import sys
 import asyncio
+from dataclasses import dataclass
 
 import discord
 from discord.ext import commands, tasks
@@ -8,6 +9,7 @@ from dotenv import load_dotenv
 import youtube_dl
 
 from error import ErrorHandler
+from message import NowPlayingMessage, QueuedMessage
 
 load_dotenv()
 
@@ -15,6 +17,13 @@ load_dotenv()
 youtube_dl.utils.bug_reports_message = lambda: ''
 
 
+@dataclass
+class Song:
+  title: str
+  webpage_url: str
+  audio_url: str
+
+
 class Music(commands.Cog):
   def __init__(self, bot):
     self._bot = bot
@@ -49,8 +58,8 @@ class Music(commands.Cog):
   async def _handle_playback(self):
     while True:
       await self._queue_lock.acquire()
-      ctx, url, title = await self._queue.get()
-      audio = discord.FFmpegPCMAudio(url, **self._ffmpeg_options)
+      ctx, song = await self._queue.get()
+      audio = discord.FFmpegPCMAudio(song.audio_url, **self._ffmpeg_options)
 
       def after(err):
         if err:
@@ -58,7 +67,9 @@ class Music(commands.Cog):
         self._queue.task_done()
         self._queue_lock.release()
       ctx.voice_client.play(audio, after=after)
-      await ctx.send(f"Now playing: {title}")
+
+      embed = NowPlayingMessage(title=song.title, url=song.webpage_url)
+      await ctx.send(embed=embed)
 
   @_handle_playback.before_loop
   async def before_handle_playback(self):
@@ -70,11 +81,15 @@ class Music(commands.Cog):
       data = self._ytdl.extract_info(query, download=False)
       if 'entries' in data:
         data = data['entries'][0]
-        title = data.get('title')
-        url = data.get('url')
-        await self._queue.put((ctx, url, title))
+        song = Song(
+            title=data.get('title'),
+            audio_url=data.get('url'),
+            webpage_url=data.get('webpage_url')
+        )
+        await self._queue.put((ctx, song))
         if ctx.voice_client.is_playing():
-          await ctx.send(f"Queued: {title}")
+          embed = QueuedMessage(title=song.title, url=song.webpage_url)
+          await ctx.send(embed=embed)
 
   @commands.command()
   async def skip(self, ctx):

src/error.py

@@ -1,5 +1,7 @@
 from discord.ext import commands
 
+from message import ErrorMessage
+
 
 class ErrorHandler(commands.Cog):
   """A cog for global error handling."""
@@ -20,7 +22,8 @@ class ErrorHandler(commands.Cog):
     else:
       message = "Oh no! Something went wrong while running the command!"
 
-    await ctx.send(message)
+    embed = ErrorMessage(message)
+    await ctx.send(embed=embed)
 
 
 def setup(bot: commands.Bot):

src/message/__init__.py

@@ -0,0 +1,32 @@
+import discord
+
+
+class BotMessage(discord.Embed):
+  pass
+
+
+class ErrorMessage(BotMessage):
+  def __init__(self, message):
+    super().__init__(
+        title="Error",
+        description=message,
+        color=discord.Color.red()
+    )
+
+
+class NowPlayingMessage(BotMessage):
+  def __init__(self, title, url):
+    super().__init__(
+        title=f"Now playing: {title}",
+        description=url,
+        color=discord.Color.green()
+    )
+
+
+class QueuedMessage(BotMessage):
+  def __init__(self, title, url):
+    super().__init__(
+        title=f"Queued: {title}",
+        description=url,
+        color=discord.Color.blue()
+    )

test/test_bot.py

@@ -64,9 +64,8 @@ async def test_bot_playback(mbot, ctx):
       assert \
           ctx.voice_client.play.call_args.args == (deliver_us_audio,), \
           "Did not playback correct audio"
-      assert \
-          ctx.send.call_args.args == (f"Now playing: {title}",), \
-          "Did not send 'Now playing:' message"
+      embed = ctx.send.call_args.kwargs["embed"]
+      assert embed.title == f"Now playing: {title}", "Did not send 'Now playing:' message"
 
       # TEST: Following songs are put inside a queue
       ctx.voice_client.is_playing.return_value = True
@@ -86,9 +85,8 @@ async def test_bot_playback(mbot, ctx):
       assert \
           not ctx.voice_client.play.call_args.args == (time_of_dying_audio,), \
           "Did immediately playback audio instead of being queued"
-      assert \
-          ctx.send.call_args.args == (f"Queued: {title}",), \
-          "Did not send 'Queued:' message"
+      embed = ctx.send.call_args.kwargs["embed"]
+      assert embed.title == f"Queued: {title}", "Did not send 'Queued:' message"
       await asyncio.sleep(0)
       # Assert that there is still no playback because previous song is not finished yet
       assert \