rename TOKEN env var to BOT_TOKEN

discord-bot/.env.example

@@ -1,4 +1,4 @@
-TOKEN=<discord bot token>
+BOT_TOKEN=<discord bot token>
 DECLARE_GLOBAL_COMMANDS=<testing guild id>
 OWNER_IDS=[<your user id>, <other user ids>]
 PREFIX="./"

discord-bot/bot/bot.py

@@ -9,8 +9,9 @@ from bot.settings import Settings
 
 settings = Settings()
 
+# TODO: Revisit cache settings
 bot = lightbulb.BotApp(
-    token=settings.token,
+    token=settings.bot_token,
     logs="DEBUG",
     prefix=settings.prefix,
     default_enabled_guilds=settings.declare_global_commands,

discord-bot/bot/extensions/guild_settings.py

@@ -5,6 +5,7 @@ import lightbulb
 from aiosqlite import Connection
 from bot.db.schemas import GuildSettings
 from bot.utils import mention
+from lightbulb.utils.permissions import permissions_in
 from loguru import logger
 
 plugin = lightbulb.Plugin("GuildSettings")
@@ -62,6 +63,16 @@ async def log_channel(ctx: lightbulb.SlashContext) -> None:
     channel: hikari.TextableGuildChannel = ctx.options.channel
     conn: Connection = ctx.bot.d.db
     assert ctx.guild_id is not None  # `guild_only` check
+    assert isinstance(channel, hikari.PermissibleGuildChannel)
+
+    # Check if the bot can send messages in that channel
+    assert (me := ctx.bot.get_me()) is not None  # non-None after `StartedEvent`
+    if (own_member := ctx.bot.cache.get_member(ctx.guild_id, me.id)) is None:
+        own_member = await ctx.bot.rest.fetch_member(ctx.guild_id, me.id)
+    perms = permissions_in(channel, own_member)
+    if perms & ~hikari.Permissions.SEND_MESSAGES:
+        await ctx.respond("I don't have permission to send messages in that channel.")
+        return
 
     await ctx.respond(f"Setting `log_channel` to {channel.mention}.")
 

discord-bot/bot/settings.py

@@ -6,7 +6,7 @@ from pydantic import BaseSettings, Field
 class Settings(BaseSettings):
     """Settings for the bot."""
 
-    token: str = Field(env="TOKEN", default="")
+    bot_token: str = Field(env="BOT_TOKEN", default="")
     declare_global_commands: int = Field(env="DECLARE_GLOBAL_COMMANDS", default=0)
     owner_ids: list[int] = Field(env="OWNER_IDS", default_factory=list)
     prefix: str = Field(env="PREFIX", default="./")