Changed welcome message to query GPT3 for new msg

Welcome messages are now generated by GPT3 or default to one stored in env variable if GPT3 in unavailable.

cogs/gpt_3_commands_and_converser.py

@@ -16,7 +16,6 @@ from collections import defaultdict
 
 original_message = {}
 ALLOWED_GUILDS = EnvService.get_allowed_guilds()
-WELCOME_MESSAGE = EnvService.get_welcome_message()
 
 
 class GPT3ComCon(commands.Cog, name="GPT3ComCon"):
@@ -92,9 +91,14 @@ class GPT3ComCon(commands.Cog, name="GPT3ComCon"):
 
     @commands.Cog.listener()
     async def on_member_join(self, member):
-        welcome_embed = discord.Embed(title=f"Welcome, {member.name}!", description=WELCOME_MESSAGE)
-        welcome_embed.add_field(name="Just so you know...", value="> My commands are invoked with a forward slash ("/")\n> Use /help to see my help messages.")
-        await member.send(content=None, embed=welcome_embded)
+        if self.welcome_message_enabled():
+            query = f"Please generate a welcome message for {member.name} who has just joined the server."
+            welcome_message = self.send_request(query, tokens=self.usage_service.count_tokens(query))
+            if not welcome_message:
+                welcome_message = EnvService.get_welcome_message()
+            welcome_embed = discord.Embed(title=f"Welcome, {member.name}!", description=welcome_message)
+            welcome_embed.add_field(name="Just so you know...", value="> My commands are invoked with a forward slash ("/")\n> Use /help to see my help message(s).")
+            await member.send(content=None, embed=welcome_embded)
     
     @commands.Cog.listener()
     async def on_member_remove(self, member):