From eaedfa25a9d141733c99c21ed9a3fa2e8d643f01 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <ste.pigozzi@gmail.com>
Date: Wed, 10 Apr 2019 18:16:47 +0200
Subject: [PATCH] Start work on the discord bot

---
 requirements.txt          |  1 +
 royalnet/bots/discord.py  | 68 +++++++++++++++++++++++++++++++++++++++
 royalnet/bots/telegram.py |  3 +-
 3 files changed, 70 insertions(+), 2 deletions(-)
 create mode 100644 royalnet/bots/discord.py

diff --git a/requirements.txt b/requirements.txt
index 9bdb3618..58d949bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ aiohttp>=3.5.4
 sqlalchemy>=1.3.2
 Markdown>=3.1
 dateparser>=0.7.1
+discord.py>=1.0.1
diff --git a/royalnet/bots/discord.py b/royalnet/bots/discord.py
new file mode 100644
index 00000000..f2905915
--- /dev/null
+++ b/royalnet/bots/discord.py
@@ -0,0 +1,68 @@
+import discord
+import asyncio
+import typing
+import logging as _logging
+from ..commands import NullCommand
+from ..utils import asyncify, Call, Command, UnregisteredError
+from ..network import RoyalnetLink, Message
+from ..database import Alchemy, relationshiplinkchain
+
+loop = asyncio.get_event_loop()
+log = _logging.getLogger(__name__)
+
+
+async def todo(message: Message):
+    log.warning(f"Skipped {message} because handling isn't supported yet.")
+
+
+class DiscordBot:
+    # noinspection PyMethodParameters
+    class DiscordClient(discord.Client):
+        pass
+
+    def __init__(self,
+                 api_key: str,
+                 master_server_uri: str,
+                 master_server_secret: str,
+                 commands: typing.List[typing.Type[Command]],
+                 database_uri: str,
+                 master_table,
+                 identity_table,
+                 identity_column_name: str,
+                 missing_command: typing.Type[Command] = NullCommand,
+                 error_command: typing.Type[Command] = NullCommand):
+        self.bot = self.DiscordClient()
+        self.network: RoyalnetLink = RoyalnetLink(master_server_uri, master_server_secret, "discord", todo)
+        # Generate commands
+        self.commands = {}
+        required_tables = set()
+        for command in commands:
+            self.commands[f"/{command.command_name}"] = command
+            required_tables = required_tables.union(command.require_alchemy_tables)
+        # Generate the Alchemy database
+        self.alchemy = Alchemy(database_uri, required_tables)
+        self.master_table = self.alchemy.__getattribute__(master_table.__name__)
+        self.identity_table = self.alchemy.__getattribute__(identity_table.__name__)
+        self.identity_column = self.identity_table.__getattribute__(self.identity_table, identity_column_name)
+        self.identity_chain = relationshiplinkchain(self.master_table, self.identity_table)
+
+        # noinspection PyMethodParameters
+        class DiscordCall(Call):
+            interface_name = "discord"
+            interface_obj = self
+            alchemy = self.alchemy
+
+            async def reply(call, text: str):
+                raise NotImplementedError()
+
+            async def net_request(call, message: Message, destination: str):
+                response = await self.network.request(message, destination)
+                return response
+
+            async def get_author(self, error_if_none=False):
+                raise NotImplementedError()
+
+        self.DiscordCall = DiscordCall
+
+    async def run(self):
+        raise NotImplementedError()
diff --git a/royalnet/bots/telegram.py b/royalnet/bots/telegram.py
index c6e683b0..2cacaafa 100644
--- a/royalnet/bots/telegram.py
+++ b/royalnet/bots/telegram.py
@@ -12,9 +12,8 @@ loop = asyncio.get_event_loop()
 log = _logging.getLogger(__name__)
 
 
-# noinspection PyUnusedLocal
 async def todo(message: Message):
-    pass
+    log.warning(f"Skipped {message} because handling isn't supported yet.")
 
 
 class TelegramBot: