Initial Commit: Basic collection of deck ids, then posting the latest

.gitignore

@@ -0,0 +1,2 @@
+/secret.py
+/channel_list.json

Pipfile

@@ -0,0 +1,13 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+"discord.py" = "*"
+aiohttp = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.9"

Pipfile.lock

@@ -0,0 +1,198 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "145afefe2c4c10a3e11ab6e0be13c2d01fa936e22f20d0961e096ff344340556"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.9"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "aiohttp": {
+            "hashes": [
+                "sha256:02f46fc0e3c5ac58b80d4d56eb0a7c7d97fcef69ace9326289fb9f1955e65cfe",
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+                "sha256:3d78619672183be860b96ed96f533046ec97ca067fd46ac1f6a09cd9b7484287",
+                "sha256:40eced07f07a9e60e825554a31f923e8d3997cfc7fb31dbc1328c70826e04cde",
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+                "sha256:fe60131d21b31fd1a14bd43e6bb88256f69dfc3188b3a89d736d6c71ed43ec95"
+            ],
+            "index": "pypi",
+            "version": "==3.7.4.post0"
+        },
+        "async-timeout": {
+            "hashes": [
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+            ],
+            "markers": "python_full_version >= '3.5.3'",
+            "version": "==3.0.1"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
+                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==20.3.0"
+        },
+        "chardet": {
+            "hashes": [
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==4.0.0"
+        },
+        "discord.py": {
+            "hashes": [
+                "sha256:399b80d576a63fa901300e80080568e1d9cd9c21260ca622fd7145c0009278fa",
+                "sha256:82bc5e6325ab7557db9c466f638c98e18be03c330f56ad9bf4c18bdcf19faf55"
+            ],
+            "index": "pypi",
+            "version": "==1.7.1"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16",
+                "sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1"
+            ],
+            "markers": "python_version >= '3.4'",
+            "version": "==3.1"
+        },
+        "multidict": {
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+            "version": "==5.1.0"
+        },
+        "typing-extensions": {
+            "hashes": [
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+        },
+        "yarl": {
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+                "sha256:d8d07d102f17b68966e2de0e07bfd6e139c7c02ef06d3a0f8d2f0f055e13bb76",
+                "sha256:e46fba844f4895b36f4c398c5af062a9808d1f26b2999c58909517384d5deda2",
+                "sha256:e6b5460dc5ad42ad2b36cca524491dfcaffbfd9c8df50508bddc354e787b8dc2",
+                "sha256:f040bcc6725c821a4c0665f3aa96a4d0805a7aaf2caf266d256b8ed71b9f041c",
+                "sha256:f0b059678fd549c66b89bed03efcabb009075bd131c248ecdf087bdb6faba24a",
+                "sha256:fcbb48a93e8699eae920f8d92f7160c03567b421bc17362a9ffbbd706a816f71"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==1.6.3"
+        }
+    },
+    "develop": {}
+}

ahtcg_bot.py

@@ -0,0 +1,127 @@
+#!/usr/bin/env python3
+
+from datetime import datetime
+import json
+import re
+from typing import Any
+
+import discord
+import aiohttp
+from discord.ext import tasks
+
+from secret import TOKEN
+
+ArkhamDBDeck = Any  # TODO: better typing
+
+ARKHAMDB_URL = 'https://arkhamdb.adamgoldsmith.name'
+
+# TODO: should really be a database
+with open('channel_list.json') as f:
+    channel_list = json.load(f)
+
+
+class ArkhamDBClient(discord.Client):
+    session: aiohttp.ClientSession
+
+    async def on_ready(self):
+        print(f'Logged in as {self.user} (ID: {self.user.id})')
+        print('Enabled on servers:')
+        async for guild in self.fetch_guilds(limit=150):
+            print('   ', guild.name)
+        print('------')
+
+        self.session = aiohttp.ClientSession()
+        self.arkhamdb_monitor.start()
+
+    async def gather_deck_ids(self, channel: discord.TextChannel) -> dict[int, str]:
+        deck_ids: dict[int, str] = {}
+        async for message in channel.history(limit=200, oldest_first=True):
+            # ignore the bot's messages
+            if message.author.id == self.user.id:
+                continue
+
+            matches = re.finditer(r'(?P<prefix>.*)' + ARKHAMDB_URL + r'/deck/view/(?P<deck_id>\d+)', message.content)
+            for match in matches:
+                deck_ids[int(match.group('deck_id'))] = match.group('prefix')
+
+        return deck_ids
+
+    async def get_latest_deck(self, deck_id: int) -> ArkhamDBDeck:
+        next_deck_id = deck_id
+        deck = None
+        while deck is None or deck["next_deck"] is not None:
+            async with self.session.get(ARKHAMDB_URL + f"/api/public/deck/{next_deck_id}.json") as resp:
+                deck = await resp.json()
+                next_deck_id = deck["next_deck"]
+
+        return deck
+
+    async def get_latest_decks(self, deck_ids: dict[int, str]) -> dict[int, tuple[str, ArkhamDBDeck]]:
+        latest_decks: dict[int, tuple[str, ArkhamDBDeck]] = {}
+        for deck_id, prefix in deck_ids.items():
+            try:
+                deck = await self.get_latest_deck(deck_id)
+                latest_decks[deck['id']] = (prefix, deck)
+            except aiohttp.ContentTypeError:
+                # TODO: json was invalid, should probably alert user
+                pass
+
+        return latest_decks
+
+    async def update_channel_latest_decks(self, channel: discord.TextChannel) -> None:
+        deck_ids = await self.gather_deck_ids(channel)
+        latest_decks = await self.get_latest_decks(deck_ids)
+
+        async for message in channel.history(limit=200):
+            if message.author.id == self.user.id and message.id != channel.last_message_id:
+                await message.delete()
+
+        try:
+            last_message = await channel.fetch_message(channel.last_message_id)
+        except discord.NotFound:
+            last_message = None
+
+        message_text = '\n'.join(
+            f"{prefix}[{deck['name']}]({ARKHAMDB_URL}/deck/view/{deck['id']}) [{deck['id']}]"
+            for prefix, deck in latest_decks.values())
+        message_embed = discord.Embed(
+            title=f'Updated as of {datetime.now()}',
+            description=message_text)
+
+        if last_message is not None and last_message.author.id == self.user.id:
+            if len(message.embeds) != 1 or message_text != message.embeds[0].description:
+                await last_message.edit(embed=message_embed)
+        else:
+            await channel.send(embed=message_embed)
+
+    async def on_message(self, message: discord.Message):
+        # we do not want the bot to reply to itself
+        if message.author.id == self.user.id:
+            return
+
+        if message.content.startswith('!arkhamdb_monitor'):
+            await message.reply('Hello!', mention_author=True)
+            channel_list.append(message.channel.id)
+            with open('channel_list.json', 'w') as f:
+                json.dump(channel_list, f)
+
+        if message.channel.id in channel_list:
+            await self.update_channel_latest_decks(message.channel)
+
+    async def on_message_edit(self, before: discord.Message, after: discord.Message):
+        # we do not want the bot to reply to itself
+        if after.author.id == self.user.id:
+            return
+
+        if after.channel.id in channel_list:
+            await self.update_channel_latest_decks(after.channel)
+
+    @tasks.loop(seconds=20)
+    async def arkhamdb_monitor(self) -> None:
+        for channel_id in channel_list:
+            channel = self.get_channel(channel_id)
+            await self.update_channel_latest_decks(channel)
+
+
+client = ArkhamDBClient()
+client.run(TOKEN)