(WIP) Add user profile module.

src/modules/profiles/__init__.py

@@ -0,0 +1,8 @@
+import logging
+
+logger = logging.getLogger(__name__)
+
+from .cog import ProfileCog
+
+async def setup(bot):
+    await bot.add_cog(ProfileCog(bot))

src/modules/profiles/cog.py

@@ -0,0 +1,436 @@
+import asyncio
+from enum import Enum
+from typing import Optional, overload
+from datetime import timedelta
+
+import discord
+from discord import app_commands as appcmds
+from discord.ext import commands as cmds
+from twitchAPI.helper import first
+from twitchAPI.type import AuthScope
+import twitchio
+from twitchio.ext import commands
+from twitchio import User
+from twitchAPI.object.api import TwitchUser
+
+
+from data.queries import ORDER
+from meta import LionCog, LionBot, LionContext
+from meta.logger import log_wrap
+from utils.lib import utc_now
+from . import logger
+from .data import ProfileData
+from .profile import UserProfile
+from .community import Community
+
+
+class ProfileCog(LionCog):
+    def __init__(self, bot: LionBot):
+        self.bot = bot
+
+        self.data = bot.db.load_registry(ProfileData())
+
+        self._profile_migrators = {}
+        self._comm_migrators = {}
+
+    async def cog_load(self):
+        await self.data.init()
+
+    async def cog_check(self, ctx):
+        return True
+
+    # Profile API
+    def add_profile_migrator(self, migrator, name=None):
+        name = name or migrator.__name__
+        self._profile_migrators[name or migrator.__name__] = migrator
+
+        logger.info(
+            f"Added user profile migrator {name}: {migrator}"
+        )
+        return migrator
+
+    def del_profile_migrator(self, name: str):
+        migrator = self._profile_migrators.pop(name, None)
+
+        logger.info(
+            f"Removed user profile migrator {name}: {migrator}"
+        )
+
+    @log_wrap(action="profile migration")
+    async def migrate_profile(self, source_profile, target_profile) -> list[str]:
+        logger.info(
+            f"Beginning user profile migration from {source_profile!r} to {target_profile!r}"
+        )
+        results = []
+        # Wrap this in a transaction so if something goes wrong with migration,
+        # we roll back safely (although this may mess up caches)
+        async with self.bot.db.connection() as conn:
+            self.bot.db.conn = conn
+            async with conn.transaction():
+                for name, migrator in self._profile_migrators.items():
+                    try:
+                        result = await migrator(source_profile, target_profile)
+                        if result:
+                            results.append(result)
+                    except Exception:
+                        logger.exception(
+                            f"Unexpected exception running user profile migrator {name} "
+                            f"migrating {source_profile!r} to {target_profile!r}."
+                        )
+                        raise
+
+                # Move all Discord and Twitch profile references over to the new profile
+                discord_rows = await self.data.DiscordProfileRow.table.update_where(
+                    profileid=source_profile.profileid
+                ).set(profileid=target_profile.profileid)
+                results.append(f"Migrated {len(discord_rows)} attached discord account(s).")
+
+                twitch_rows = await self.data.TwitchProfileRow.table.update_where(
+                    profileid=source_profile.profileid
+                ).set(profileid=target_profile.profileid)
+                results.append(f"Migrated {len(twitch_rows)} attached twitch account(s).")
+
+                # And then mark the old profile as migrated
+                await source_profile.profile_row.update(migrated=target_profile.profileid)
+                results.append("Marking old profile as migrated.. finished!")
+        return results
+
+    async def fetch_profile_by_id(self, profile_id: int) -> UserProfile:
+        """
+        Fetch a UserProfile by the given id.
+        """
+        return await UserProfile.fetch(self.bot, profile_id=profile_id)
+
+    async def fetch_profile_discord(self, user: discord.Member | discord.User) -> UserProfile:
+        """
+        Fetch or create a UserProfile from the provided discord account.
+        """
+        profile = await UserProfile.fetch_from_discordid(self.bot, user.id)
+        if profile is None:
+            profile = await UserProfile.create_from_discord(self.bot, user)
+        return profile
+
+    async def fetch_profile_twitch(self, user: twitchio.User) -> UserProfile:
+        """
+        Fetch or create a UserProfile from the provided twitch account.
+        """
+        profile = await UserProfile.fetch_from_twitchid(self.bot, user.id)
+        if profile is None:
+            profile = await UserProfile.create_from_twitch(self.bot, user)
+        return profile
+
+    # Community API
+    def add_community_migrator(self, migrator, name=None):
+        name = name or migrator.__name__
+        self._comm_migrators[name or migrator.__name__] = migrator
+
+        logger.info(
+            f"Added community migrator {name}: {migrator}"
+        )
+        return migrator
+
+    def del_community_migrator(self, name: str):
+        migrator = self._comm_migrators.pop(name, None)
+
+        logger.info(
+            f"Removed community migrator {name}: {migrator}"
+        )
+
+    @log_wrap(action="community migration")
+    async def migrate_community(self, source_comm, target_comm) -> list[str]:
+        logger.info(
+            f"Beginning community migration from {source_comm!r} to {target_comm!r}"
+        )
+        results = []
+        # Wrap this in a transaction so if something goes wrong with migration,
+        # we roll back safely (although this may mess up caches)
+        async with self.bot.db.connection() as conn:
+            self.bot.db.conn = conn
+            async with conn.transaction():
+                for name, migrator in self._comm_migrators.items():
+                    try:
+                        result = await migrator(source_comm, target_comm)
+                        if result:
+                            results.append(result)
+                    except Exception:
+                        logger.exception(
+                            f"Unexpected exception running community migrator {name} "
+                            f"migrating {source_comm!r} to {target_comm!r}."
+                        )
+                        raise
+
+                # Move all Discord and Twitch community preferences over to the new profile
+                discord_rows = await self.data.DiscordCommunityRow.table.update_where(
+                    profileid=source_comm.communityid
+                ).set(communityid=target_comm.communityid)
+                results.append(f"Migrated {len(discord_rows)} attached discord guilds.")
+
+                twitch_rows = await self.data.TwitchCommunityRow.table.update_where(
+                    communityid=source_comm.communityid
+                ).set(communityid=target_comm.communityid)
+                results.append(f"Migrated {len(twitch_rows)} attached twitch channel(s).")
+
+                # And then mark the old community as migrated
+                await source_comm.update(migrated=target_comm.communityid)
+                results.append("Marking old community as migrated.. finished!")
+        return results
+
+    async def fetch_community_by_id(self, community_id: int) -> Community:
+        """
+        Fetch a Community by the given id.
+        """
+        return await Community.fetch(self.bot, community_id=community_id)
+
+    async def fetch_community_discord(self, guild: discord.Guild) -> Community:
+        """
+        Fetch or create a Community from the provided discord guild.
+        """
+        comm = await Community.fetch_from_discordid(self.bot, guild.id)
+        if comm is None:
+            comm = await Community.create_from_discord(self.bot, guild)
+        return comm
+
+    async def fetch_community_twitch(self, user: twitchio.User) -> Community:
+        """
+        Fetch or create a Community from the provided twitch account.
+        """
+        community = await Community.fetch_from_twitchid(self.bot, user.id)
+        if community is None:
+            community = await Community.create_from_twitch(self.bot, user)
+        return community
+
+    # ----- Profile Commands -----
+    @cmds.hybrid_group(
+        name='profiles',
+        description="Base comand group for user profiles."
+    )
+    async def profiles_grp(self, ctx: LionContext):
+        ...
+
+    @profiles_grp.group(
+        name='link',
+        description="Base command group for linking profiles"
+    )
+    async def profiles_link_grp(self, ctx: LionContext):
+        ...
+
+    @profiles_link_grp.command(
+        name='twitch',
+        description="Link a twitch account to your current profile."
+    )
+    async def profiles_link_twitch_cmd(self, ctx: LionContext):
+        if not ctx.interaction:
+            return
+
+        await ctx.interaction.response.defer(ephemeral=True)
+
+        # Ask the user to go through auth to get their userid
+        auth_cog = self.bot.get_cog('TwitchAuthCog')
+        flow = await auth_cog.start_auth()
+        message = await ctx.reply(
+            f"Please [click here]({flow.auth.return_auth_url()}) to link your profile "
+            "to Twitch."
+        )
+        authrow = await flow.run()
+        await message.edit(
+            content="Authentication Complete! Beginning profile merge..."
+        )
+
+        # results = await self.crocbot.fetch_users(ids=[authrow.userid])
+        # if not results:
+        #     logger.error(
+        #         f"User {authrow} obtained from Twitch authentication does not exist."
+        #     )
+        #     await ctx.error_reply("Sorry, something went wrong. Please try again later!")
+        #     return
+
+        # user = results[0]
+        try:
+            user = await first(self.bot.twitch.get_users(user_ids=[str(authrow.userid)]))
+        except Exception:
+            logger.error(
+                f"Looking up user {authrow} from Twitch authentication flow raised an error.",
+                exc_info=True
+            )
+            await ctx.error_reply("Sorry, something went wrong. Please try again later!")
+            return
+
+        if user is None:
+            logger.error(
+                f"User {authrow} obtained from Twitch authentication does not exist."
+            )
+            await ctx.error_reply("Sorry, something went wrong. Please try again later!")
+            return
+
+
+        # Retrieve author's profile if it exists
+        author_profile = await UserProfile.fetch_from_discordid(self.bot, ctx.author.id)
+
+        # Check if the twitch-side user has a profile 
+        source_profile = await UserProfile.fetch_from_twitchid(self.bot, user.id)
+
+        if author_profile and source_profile is None:
+            # All we need to do is attach the twitch row
+            await author_profile.attach_twitch(user.id)
+            await message.edit(
+                content=f"Successfully added Twitch account **{user.display_name}**! There was no profile data to merge."
+            )
+        elif source_profile and author_profile is None:
+            # Attach the discord row to the profile
+            await source_profile.attach_discord(ctx.author.id)
+            await message.edit(
+                content=f"Successfully connected to Twitch profile **{user.display_name}**! There was no profile data to merge."
+            )
+        elif source_profile is None and author_profile is None:
+            profile = await UserProfile.create_from_discord(self.bot, ctx.author)
+            await profile.attach_twitch(user.id)
+
+            await message.edit(
+                content=f"Opened a new user profile for you and linked Twitch account **{user.display_name}**."
+            )
+        elif author_profile.profileid == source_profile.profileid:
+            await message.edit(
+                content=f"The Twitch account **{user.display_name}** is already linked to your profile!"
+            )
+        else:
+            # Migrate the existing profile data to the new profiles
+            try:
+                results = await self.migrate_profile(source_profile, author_profile)
+            except Exception:
+                await ctx.error_reply(
+                    "An issue was encountered while merging your account profiles!\n"
+                    "Migration rolled back, no data has been lost.\n"
+                    "The developer has been notified. Please try again later!"
+                )
+                raise
+
+            content = '\n'.join((
+                "## Connecting Twitch account and merging profiles...",
+                *results,
+                "**Successfully linked account and merged profile data!**"
+            ))
+            await message.edit(content=content)
+
+    # ----- Community Commands -----
+    @cmds.hybrid_group(
+        name='community',
+        description="Base comand group for community profiles."
+    )
+    async def community_grp(self, ctx: LionContext):
+        ...
+
+    @community_grp.group(
+        name='link',
+        description="Base command group for linking communities"
+    )
+    async def community_link_grp(self, ctx: LionContext):
+        ...
+
+    @community_link_grp.command(
+        name='twitch',
+        description="Link a twitch account to this community."
+    )
+    @appcmds.guild_only()
+    @appcmds.default_permissions(manage_guild=True)
+    async def comm_link_twitch_cmd(self, ctx: LionContext):
+        if not ctx.interaction:
+            return
+        assert ctx.guild is not None
+
+        await ctx.interaction.response.defer(ephemeral=True)
+
+        if not ctx.author.guild_permissions.manage_guild:
+            await ctx.error_reply("You need the `MANAGE_GUILD` permission to link this guild to a community.")
+            return
+
+        # Ask the user to go through auth to get their userid
+        auth_cog = self.bot.get_cog('TwitchAuthCog')
+        flow = await auth_cog.start_auth(
+            scopes=[
+                AuthScope.CHAT_EDIT,
+                AuthScope.CHAT_READ,
+                AuthScope.MODERATION_READ,
+                AuthScope.CHANNEL_BOT,
+            ]
+        )
+        message = await ctx.reply(
+            f"Please [click here]({flow.auth.return_auth_url()}) to link your Twitch channel to this server."
+        )
+        authrow = await flow.run()
+        await message.edit(
+            content="Authentication Complete! Beginning community profile merge..."
+        )
+
+        # results = await self.crocbot.fetch_users(ids=[authrow.userid])
+        # if not results:
+        #     logger.error(
+        #         f"User {authrow} obtained from Twitch authentication does not exist."
+        #     )
+        #     await ctx.error_reply("Sorry, something went wrong. Please try again later!")
+        #     return
+
+        # user = results[0]
+        try:
+            user = await first(self.bot.twitch.get_users(user_ids=[str(authrow.userid)]))
+        except Exception:
+            logger.error(
+                f"Looking up user {authrow} from Twitch authentication flow raised an error.",
+                exc_info=True
+            )
+            await ctx.error_reply("Sorry, something went wrong. Please try again later!")
+            return
+
+        if user is None:
+            logger.error(
+                f"User {authrow} obtained from Twitch authentication does not exist."
+            )
+            await ctx.error_reply("Sorry, something went wrong. Please try again later!")
+            return
+
+        # Retrieve author's profile if it exists
+        guild_comm = await Community.fetch_from_discordid(self.bot, ctx.guild.id)
+
+        # Check if the twitch-side user has a profile 
+        twitch_comm = await Community.fetch_from_twitchid(self.bot, user.id)
+
+        if guild_comm and twitch_comm is None:
+            # All we need to do is attach the twitch row
+            await guild_comm.attach_twitch(user.id)
+            await message.edit(
+                content=f"Successfully linked Twitch channel **{user.display_name}**! There was no community data to merge."
+            )
+        elif twitch_comm and guild_comm is None:
+            # Attach the discord row to the profile
+            await twitch_comm.attach_discord(ctx.guild.id)
+            await message.edit(
+                content=f"Successfully connected to Twitch channel **{user.display_name}**!"
+            )
+        elif twitch_comm is None and guild_comm is None:
+            profile = await Community.create_from_discord(self.bot, ctx.guild)
+            await profile.attach_twitch(user.id)
+
+            await message.edit(
+                content=f"Created a new community for this server and linked Twitch account **{user.display_name}**."
+            )
+        elif guild_comm.communityid == twitch_comm.communityid:
+            await message.edit(
+                content=f"This server is already linked to the Twitch channel **{user.display_name}**!"
+            )
+        else:
+            # Migrate the existing profile data to the new profiles
+            try:
+                results = await self.migrate_community(twitch_comm, guild_comm)
+            except Exception:
+                await ctx.error_reply(
+                    "An issue was encountered while merging your community profiles!\n"
+                    "Migration rolled back, no data has been lost.\n"
+                    "The developer has been notified. Please try again later!"
+                )
+                raise
+
+            content = '\n'.join((
+                "## Connecting Twitch account and merging community profiles...",
+                *results,
+                "**Successfully linked account and merged community data!**"
+            ))
+            await message.edit(content=content)

src/modules/profiles/community.py

@@ -0,0 +1,123 @@
+from typing import Optional, Self
+
+import discord
+
+from meta import LionBot
+from utils.lib import utc_now
+
+from . import logger
+from .data import ProfileData
+
+
+
+class Community:
+    def __init__(self, bot: LionBot, community_row):
+        self.bot = bot
+        self.row: ProfileData.CommunityRow = community_row
+
+    @property
+    def cog(self):
+        return self.bot.get_cog('ProfileCog')
+
+    @property
+    def data(self) -> ProfileData:
+        return self.cog.data
+
+    @property
+    def communityid(self):
+        return self.row.communityid
+
+    def __repr__(self):
+        return f"<Community communityid={self.communityid} row={self.row}>"
+
+    async def attach_discord(self, guildid: int):
+        """
+        Attach a new discord guild to this community.
+        Assumes the discord guild is not already associated to a community.
+        """
+        discord_row = await self.data.DiscordCommunityRow.create(
+            communityid=self.communityid,
+            guildid=guildid
+        )
+        logger.info(
+            f"Attached discord guild {guildid} to community {self!r}"
+        )
+        return discord_row
+
+    async def attach_twitch(self, channelid: str):
+        """
+        Attach a new Twitch user channel to this community.
+        """
+        twitch_row = await self.data.TwitchCommunityRow.create(
+            communityid=self.communityid,
+            channelid=str(channelid)
+        )
+        logger.info(
+            f"Attached twitch channel {channelid} to community {self!r}"
+        )
+        return twitch_row
+
+    async def discord_guilds(self) -> list[ProfileData.DiscordCommunityRow]:
+        """
+        Fetch the Discord guild rows associated to this community.
+        """
+        return await self.data.DiscordCommunityRow.fetch_where(communityid=self.communityid)
+
+    async def twitch_channels(self) -> list[ProfileData.TwitchCommunityRow]:
+        """
+        Fetch the Twitch user rows associated to this profile.
+        """
+        return await self.data.TwitchCommunityRow.fetch_where(communityid=self.communityid)
+
+    @classmethod
+    async def fetch(cls, bot: LionBot, community_id: int) -> Self:
+        community_row = await bot.get_cog('ProfileCog').data.CommunityRow.fetch(community_id)
+        if community_row is None:
+            raise ValueError("Provided community_id does not exist.")
+        return cls(bot, community_row)
+
+    @classmethod
+    async def fetch_from_twitchid(cls, bot: LionBot, channelid: int | str) -> Optional[Self]:
+        data = bot.get_cog('ProfileCog').data
+        rows = await data.TwitchCommunityRow.fetch_where(channelid=str(channelid))
+        if rows:
+            return await cls.fetch(bot, rows[0].communityid)
+
+    @classmethod
+    async def fetch_from_discordid(cls, bot: LionBot, guildid: int) -> Optional[Self]:
+        data = bot.get_cog('ProfileCog').data
+        rows = await data.DiscordCommunityRow.fetch_where(guildid=guildid)
+        if rows:
+            return await cls.fetch(bot, rows[0].communityid)
+
+    @classmethod
+    async def create(cls, bot: LionBot, **kwargs) -> Self:
+        """
+        Create a new empty community with the given initial arguments.
+
+        Communities should usually be created using `create_from_discord` or `create_from_twitch`
+        to correctly setup initial preferences (e.g. name, avatar).
+        """
+        # Create a new community
+        data = bot.get_cog('ProfileCog').data
+        row = await data.CommunityRow.create(created_at=utc_now(), **kwargs)
+        return await cls.fetch(bot, row.communityid)
+
+    @classmethod
+    async def create_from_discord(cls, bot: LionBot, guild: discord.Guild, **kwargs) -> Self:
+        """
+        Create a new community using the given Discord guild as a base.
+        """
+        self = await cls.create(bot, **kwargs)
+        await self.attach_discord(guild.id)
+        return self
+
+    @classmethod
+    async def create_from_twitch(cls, bot: LionBot, user, **kwargs) -> Self:
+        """
+        Create a new profile using the given Twitch channel user as a base.
+        The provided `user` must have an `id` attribute.
+        """
+        self = await cls.create(bot, **kwargs)
+        await self.attach_twitch(str(user.id))
+        return self

src/modules/profiles/data.py

@@ -0,0 +1,158 @@
+from data import Registry, RowModel
+from data.columns import Integer, String, Timestamp
+
+
+class ProfileData(Registry):
+    class UserProfileRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE user_profiles(
+            profileid SERIAL PRIMARY KEY,
+            nickname TEXT,
+            migrated INTEGER REFERENCES user_profiles (profileid) ON DELETE CASCADE ON UPDATE CASCADE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        """
+        _tablename_ = 'user_profiles'
+        _cache_ = {}
+
+        profileid = Integer(primary=True)
+        nickname = String()
+        migrated = Integer()
+        created_at = Timestamp()
+
+
+    class DiscordProfileRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE profiles_discord(
+          linkid SERIAL PRIMARY KEY,
+          profileid INTEGER NOT NULL REFERENCES user_profiles (profileid) ON DELETE CASCADE ON UPDATE CASCADE,
+          userid BIGINT NOT NULL,
+          created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        CREATE INDEX profiles_discord_profileid ON profiles_discord (profileid);
+        CREATE UNIQUE INDEX profiles_discord_userid ON profiles_discord (userid);
+        """
+        _tablename_ = 'profiles_discord'
+        _cache_ = {}
+
+        linkid = Integer(primary=True)
+        profileid = Integer()
+        userid = Integer()
+        created_at = Integer()
+
+        @classmethod
+        async def fetch_profile(cls, profileid: int):
+            rows = await cls.fetch_where(profiled=profileid)
+            return next(rows, None)
+
+
+    class TwitchProfileRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE profiles_twitch(
+          linkid SERIAL PRIMARY KEY,
+          profileid INTEGER NOT NULL REFERENCES user_profiles (profileid) ON DELETE CASCADE ON UPDATE CASCADE,
+          userid TEXT NOT NULL,
+          created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        CREATE INDEX profiles_twitch_profileid ON profiles_twitch (profileid);
+        CREATE UNIQUE INDEX profiles_twitch_userid ON profiles_twitch (userid);
+        """
+        _tablename_ = 'profiles_twitch'
+        _cache_ = {}
+
+        linkid = Integer(primary=True)
+        profileid = Integer()
+        userid = String()
+        created_at = Timestamp()
+
+        @classmethod
+        async def fetch_profile(cls, profileid: int):
+            rows = await cls.fetch_where(profiled=profileid)
+            return next(rows, None)
+
+    class CommunityRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE communities(
+          communityid SERIAL PRIMARY KEY,
+          migrated INTEGER REFERENCES user_profiles (profileid) ON DELETE CASCADE ON UPDATE CASCADE,
+          created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        """
+        _tablename_ = 'communities'
+        _cache_ = {}
+
+        communityid = Integer(primary=True)
+        migrated = Integer()
+        created_at = Timestamp()
+
+    class DiscordCommunityRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE communities_discord(
+          guildid BIGINT PRIMARY KEY,
+          communityid INTEGER NOT NULL REFERENCES communities (communityid) ON DELETE CASCADE ON UPDATE CASCADE,
+          linked_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        """
+        _tablename_ = 'communities_discord'
+        _cache_ = {}
+
+        guildid = Integer(primary=True)
+        communityid = Integer()
+        linked_at = Timestamp()
+
+        @classmethod
+        async def fetch_community(cls, communityid: int):
+            rows = await cls.fetch_where(communityd=communityid)
+            return next(rows, None)
+
+    class TwitchCommunityRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE communities_twitch(
+          channelid TEXT PRIMARY KEY,
+          communityid INTEGER NOT NULL REFERENCES communities (communityid) ON DELETE CASCADE ON UPDATE CASCADE,
+          linked_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        """
+        _tablename_ = 'communities_twitch'
+        _cache_ = {}
+
+        channelid = String(primary=True)
+        communityid = Integer()
+        linked_at = Timestamp()
+
+        @classmethod
+        async def fetch_community(cls, communityid: int):
+            rows = await cls.fetch_where(communityd=communityid)
+            return next(rows, None)
+
+    class CommunityMemberRow(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE community_members(
+          memberid SERIAL PRIMARY KEY,
+          communityid INTEGER NOT NULL REFERENCES communities (communityid) ON DELETE CASCADE ON UPDATE CASCADE,
+          profileid INTEGER NOT NULL REFERENCES user_profiles (profileid) ON DELETE CASCADE ON UPDATE CASCADE,
+          created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        CREATE UNIQUE INDEX community_members_communityid_profileid ON community_members (communityid, profileid);
+        """
+        _tablename_ = 'community_members'
+        _cache_ = {}
+
+        memberid = Integer(primary=True)
+        communityid = Integer()
+        profileid = Integer()
+        created_at = Timestamp()

src/modules/profiles/profile.py

@@ -0,0 +1,138 @@
+from typing import Optional, Self
+
+import discord
+
+from meta import LionBot
+from utils.lib import utc_now
+
+from . import logger
+from .data import ProfileData
+
+
+
+class UserProfile:
+    def __init__(self, bot: LionBot, profile_row):
+        self.bot = bot
+        self.profile_row: ProfileData.UserProfileRow = profile_row
+
+    @property
+    def cog(self):
+        return self.bot.get_cog('ProfileCog')
+
+    @property
+    def data(self) -> ProfileData:
+        return self.cog.data
+
+    @property
+    def profileid(self):
+        return self.profile_row.profileid
+
+    def __repr__(self):
+        return f"<UserProfile profileid={self.profileid} profile={self.profile_row}>"
+
+    async def get_name(self) -> Optional[str]:
+        return self.profile_row.nickname
+
+    async def attach_discord(self, userid: int):
+        """
+        Attach a new discord user to this profile.
+        Assumes the discord user does not itself have a profile.
+        """
+        discord_row = await self.data.DiscordProfileRow.create(
+            profileid=self.profileid, 
+            userid=userid
+        )
+        logger.info(
+            f"Attached discord user {userid} to profile {self!r}"
+        )
+        return discord_row
+
+    async def attach_twitch(self, userid: str):
+        """
+        Attach a new Twitch user to this profile.
+        """
+        twitch_row = await self.data.TwitchProfileRow.create(
+            profileid=self.profileid,
+            userid=userid
+        )
+        logger.info(
+            f"Attached twitch user {userid} to profile {self!r}"
+        )
+        return twitch_row
+
+    async def discord_accounts(self) -> list[ProfileData.DiscordProfileRow]:
+        """
+        Fetch the Discord accounts associated to this profile.
+        """
+        return await self.data.DiscordProfileRow.fetch_where(
+            profileid=self.profileid
+        ).order_by(
+            'created_at'
+        )
+
+    async def twitch_accounts(self) -> list[ProfileData.TwitchProfileRow]:
+        """
+        Fetch the Twitch accounts associated to this profile.
+        """
+        return await self.data.TwitchProfileRow.fetch_where(
+                profileid=self.profileid
+        ).order_by(
+            'created_at'
+        )
+
+    @classmethod
+    async def fetch(cls, bot: LionBot, profile_id: int) -> Self:
+        profile_row = await bot.get_cog('ProfileCog').data.UserProfileRow.fetch(profile_id)
+        if profile_row is None:
+            raise ValueError("Provided profile_id does not exist.")
+        return cls(bot, profile_row)
+
+    @classmethod
+    async def fetch_from_twitchid(cls, bot: LionBot, userid: int | str) -> Optional[Self]:
+        data = bot.get_cog('ProfileCog').data
+        rows = await data.TwitchProfileRow.fetch_where(userid=str(userid))
+        if rows:
+            return await cls.fetch(bot, rows[0].profileid)
+
+    @classmethod
+    async def fetch_from_discordid(cls, bot: LionBot, userid: int) -> Optional[Self]:
+        data = bot.get_cog('ProfileCog').data
+        rows = await data.DiscordProfileRow.fetch_where(userid=(userid))
+        if rows:
+            return await cls.fetch(bot, rows[0].profileid)
+
+    @classmethod
+    async def create(cls, bot: LionBot, **kwargs) -> Self:
+        """
+        Create a new empty profile with the given initial arguments.
+
+        Profiles should usually be created using `create_from_discord` or `create_from_twitch`
+        to correctly setup initial profile preferences (e.g. name, avatar).
+        """
+        # Create a new profile
+        data = bot.get_cog('ProfileCog').data
+        profile_row = await data.UserProfileRow.create(created_at=utc_now())
+        profile = await cls.fetch(bot, profile_row.profileid)
+        return profile
+
+    @classmethod
+    async def create_from_discord(cls, bot: LionBot, user: discord.Member | discord.User, **kwargs) -> Self:
+        """
+        Create a new profile using the given Discord user as a base.
+        """
+        kwargs.setdefault('nickname', user.name)
+        profile = await cls.create(bot, **kwargs)
+        await profile.attach_discord(user.id)
+        return profile
+
+    @classmethod
+    async def create_from_twitch(cls, bot: LionBot, user, **kwargs) -> Self:
+        """
+        Create a new profile using the given Twitch user as a base.
+
+        Assumes the provided `user` has `id` and `name` attributes.
+        """
+        kwargs.setdefault('nickname', user.name)
+        profile = await cls.create(bot, **kwargs)
+        await profile.attach_twitch(str(user.id))
+        return profile