Added logic to handle commands

src/cpl_discord/service/command_error_handler_service.py

@@ -0,0 +1,14 @@
+from discord.ext.commands import Context, CommandError
+
+from cpl_core.logging import LoggerABC
+from cpl_discord.events.on_command_error_abc import OnCommandErrorABC
+
+
+class CommandErrorHandlerService(OnCommandErrorABC):
+
+    def __init__(self, logger: LoggerABC):
+        OnCommandErrorABC.__init__(self)
+        self._logger = logger
+
+    async def on_command_error(self, ctx: Context, error: CommandError):
+        self._logger.error(__name__, f'Error in command: {ctx.command}', error)

src/cpl_discord/service/discord_bot_service.py

@@ -1,7 +1,4 @@
-import sys
-
 import discord
-from discord.ext import commands
 
 from cpl_core.configuration import ConfigurationABC
 from cpl_core.console import Console
@@ -66,6 +63,6 @@ class DiscordBotService(DiscordBotServiceABC):
         if self._logging_st.console.value >= LoggingLevelEnum.INFO.value:
             Console.banner(self._env.application_name if self._env.application_name != '' else 'A bot')
 
-        self.add_cog(self._discord_service)
+        self._discord_service.init(self)
 
         await self._discord_service.on_ready()

src/cpl_discord/service/discord_collection.py

@@ -2,6 +2,8 @@ from typing import Type, Optional
 
 from cpl_core.console import Console
 from cpl_core.dependency_injection import ServiceCollectionABC
+from cpl_discord.discord_event_types_enum import DiscordEventTypesEnum
+from cpl_discord.service.command_error_handler_service import CommandErrorHandlerService
 from cpl_discord.service.discord_collection_abc import DiscordCollectionABC
 from cpl_query.extension import List
 
@@ -15,9 +17,16 @@ class DiscordCollection(DiscordCollectionABC):
 
         self._services = service_collection
         self._events: dict[str, List] = {}
+        self._commands = List(type(CommandABC))
+
+        self.add_event(DiscordEventTypesEnum.on_command_error.value, CommandErrorHandlerService)
 
     def add_command(self, _t: Type[CommandABC]):
         self._services.add_transient(CommandABC, _t)
+        self._commands.append(_t)
+
+    def get_commands(self) -> List[CommandABC]:
+        return self._commands
 
     def add_event(self, _t_event: Type, _t: Type):
         self._services.add_transient(_t_event, _t)

src/cpl_discord/service/discord_collection_abc.py

@@ -14,6 +14,9 @@ class DiscordCollectionABC(ABC):
     @abstractmethod
     def add_command(self, _t: Type[CommandABC]): pass
 
+    @abstractmethod
+    def get_commands(self) -> List[CommandABC]: pass
+
     @abstractmethod
     def add_event(self, _t_event: Type, _t: Type): pass
 

src/cpl_discord/service/discord_service.py

@@ -3,6 +3,7 @@ from typing import Optional, Sequence, Union, Type
 
 import discord
 from discord.ext import commands
+from discord.ext.commands import Context, CommandError
 
 from cpl_core.console import Console
 from cpl_core.dependency_injection import ServiceProviderABC
@@ -10,6 +11,9 @@ from cpl_core.logging import LoggerABC
 from cpl_core.utils import String
 from cpl_discord.command.discord_commands_meta import DiscordCogMeta
 from cpl_discord.events.on_bulk_message_delete_abc import OnBulkMessageDeleteABC
+from cpl_discord.events.on_command_abc import OnCommandABC
+from cpl_discord.events.on_command_completion_abc import OnCommandCompletionABC
+from cpl_discord.events.on_command_error_abc import OnCommandErrorABC
 from cpl_discord.events.on_connect_abc import OnConnectABC
 from cpl_discord.events.on_disconnect_abc import OnDisconnectABC
 from cpl_discord.events.on_group_join_abc import OnGroupJoinABC
@@ -90,13 +94,45 @@ class DiscordService(DiscordServiceABC, commands.Cog, metaclass=DiscordCogMeta):
                 func = getattr(event_instance, func_name)
                 await func(*args)
             except Exception as e:
-                self._logger.error(__name__, f'Cannot execute {func_name} of {event_instance.__name__}', e)
+                self._logger.error(__name__, f'Cannot execute {func_name} of {type(event_instance).__name__}', e)
+
+    def init(self, bot: commands.Bot):
+        try:
+            bot.add_cog(self)
+        except Exception as e:
+            self._logger.error(__name__, f'{type(self).__name__} initialization failed', e)
+
+        try:
+            for command_type in self._collection.get_commands():
+                self._logger.trace(__name__, f'Register command {command_type.__name__}')
+                command = self._services.get_service(command_type)
+                if command is None:
+                    self._logger.warn(__name__, f'Instance of {command_type.__name__} not found')
+                    continue
+                bot.add_cog(command)
+        except Exception as e:
+            self._logger.error(__name__, f'Registration of commands failed', e)
 
     @commands.Cog.listener()
     async def on_connect(self):
         self._logger.trace(__name__, f'Received on_connect')
         await self._handle_event(OnConnectABC)
 
+    @commands.Cog.listener()
+    async def on_command(self, ctx: Context):
+        self._logger.trace(__name__, f'Received on_command')
+        await self._handle_event(OnCommandABC, ctx)
+
+    @commands.Cog.listener()
+    async def on_command_error(self, ctx: Context, error: CommandError):
+        self._logger.trace(__name__, f'Received on_command_error')
+        await self._handle_event(OnCommandErrorABC, ctx, error)
+
+    @commands.Cog.listener()
+    async def on_command_completion(self, ctx: Context):
+        self._logger.trace(__name__, f'Received on_command_completion')
+        await self._handle_event(OnCommandCompletionABC, ctx)
+
     @commands.Cog.listener()
     async def on_disconnect(self):
         self._logger.trace(__name__, f'Received on_disconnect')

src/cpl_discord/service/discord_service_abc.py

@@ -3,6 +3,7 @@ from datetime import datetime
 from typing import Optional, Sequence, Union
 
 import discord
+from discord.ext import commands
 
 
 class DiscordServiceABC(ABC):
@@ -10,9 +11,21 @@ class DiscordServiceABC(ABC):
     def __init__(self):
         ABC.__init__(self)
 
+    @abstractmethod
+    def init(self, bot: commands.Bot): pass
+
     @abstractmethod
     async def on_connect(self): pass
 
+    @abstractmethod
+    async def on_command(self): pass
+
+    @abstractmethod
+    async def on_command_error(self): pass
+
+    @abstractmethod
+    async def on_command_completion(self): pass
+
     @abstractmethod
     async def on_disconnect(self): pass