bunch of changes

working on avatar, created prefix (it doesn't work though yet), and made ping remove the initial message when editing

main.py

@@ -4,17 +4,19 @@ import os
 import aiohttp
 import revolt
 from revolt.ext import commands
+import dotenv
 from dotenv import load_dotenv
 
-load_dotenv()
+env = dotenv.find_dotenv()
+load_dotenv(env)
 token = os.getenv('TOKEN')
 api_url = os.getenv('API_URL')
 prefix = os.getenv('PREFIX')
 
 class Client(commands.CommandsClient):
     # This class contains all of the commands the bot uses.
-    async def get_prefix(self, message: revolt.Message):
-        return prefix
+    async def get_prefix(self, message: revolt.Message, input: str = prefix):
+        return input
 
     @commands.command()
     async def ping(self, ctx: commands.Context):
@@ -25,18 +27,34 @@ class Client(commands.CommandsClient):
         mrm = mrm_list[0]
         ping = (time.monotonic() - before) * 1000
         embeds = [revolt.SendableEmbed(title="🏓 Pong!", description=f"`\n{int(ping)} ms`", colour="#5d82d1")]
-        await mrm.edit(content=None, embeds=embeds)
+        await mrm.edit(content=" ", embeds=embeds)
         print(f'Ping {int(ping)}ms')
 
     @commands.command()
-    async def avatar(self, ctx: commands.Context, member: revolt.Member):
-        # This command retrieves a user's avatar.
-        if not isinstance(member, revolt.Member):
-            await ctx.send("Please provide a member argument!")
+    async def avatar(self, ctx: commands.Context, target: revolt.User):
+        # This command retrieves a user's avatar. CURRENTLY BROKEN
+        if not isinstance(target, revolt.User):
+            await ctx.send("Please provide a user argument!")
             return
-        avatar = member.avatar.url
+        avatar = target.avatar.url
         await ctx.send(f"{avatar}")
 
+    @commands.command()
+    @commands.is_bot_owner()
+    async def prefix(self, ctx: commands.Context, new_prefix: str = None):
+        # This command sets the bot's prefix. CURRENTLY BROKEN
+        if 'PREFIX' not in os.environ:
+            await ctx.send("Something is very wrong! You have managed to run a prefix command without having a prefix set in your `.env` file!")
+            print("ERROR: prefix_env_var check failed!")
+            return
+        if new_prefix is not None:
+            dotenv.set_key(env, 'PREFIX', new_prefix)
+            await ctx.send(f"Prefix has been changed from `{prefix}` to `{new_prefix}`!")
+            print(f"Prefix changed: {prefix} → {new_prefix}")
+            await Client.get_prefix(ctx.message, new_prefix)
+        else:
+            await ctx.send(f"The prefix is currently set to `{prefix}`.")
+
 async def main():
     # This function logs into the bot user.
     async with aiohttp.ClientSession() as session: