Starboard support

database/schema.sql

@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS starboard_entries (
+    msg_id            BIGINT      PRIMARY KEY,
+    bot_message_id    BIGINT,
+    channel           BIGINT,
+    stars             INT         NOT NULL DEFAULT 1,
+    bot_content_id    BIGINT      NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS starers (
+    user_id         BIGINT,
+    msg_id          BIGINT
+)

modules/stars.py

@@ -20,8 +20,269 @@
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 """
+from __future__ import annotations
+import asyncpg
+import discord
+import datetime
+from discord.ext import commands
+
+
 import core
 
+CONFIG = core.CONFIG["STARBOARD"]
+STARBOARD_CHANNEL_ID = CONFIG.get("starboard_channel_id")
+
+STARBOARD_EMBED_COLOR = 0xFFFF00
+STARBOARD_EMOJI = "⭐"
+HEADER_TEMPLATE = "**{}** {} in: <#{}> ID: {}"
+
+VALID_FILE_ATTACHMENTS = (".jpg", ".jpeg", ".png", ".webp", ".gif")
+VIDEO_FILE_ATTACHMENTS = (".mp4", ".mov")
+VALID_IMAGE_LINKS = ("https://images-ext-1.discordapp.net", "https://tenor.com/view/")
+
+
+class JumpView(discord.ui.View):
+    def __init__(
+        self,
+        *,
+        timeout: float,
+        url: str | None,
+        label_name: str = "Jump to message",
+    ) -> None:
+        super().__init__(timeout=timeout)
+        self.add_item(discord.ui.Button(url=url, label=label_name, style=discord.ButtonStyle.primary))
+
+
+class StarboardEntry:
+    exists: bool = False
+    msg_id: int = 0
+    channel_id: int = 0
+    stars: int = 0
+    bot_message_id: int = 0
+    bot_content_id: int = 0
+
+    db: asyncpg.Pool[asyncpg.Record]
+
+    def __init__(self, db: asyncpg.Pool[asyncpg.Record], msg_id: int) -> None:
+        self.msg_id = msg_id
+        self.db: asyncpg.Pool[asyncpg.Record] = db
+
+    @classmethod
+    async def from_query(cls, db: asyncpg.Pool[asyncpg.Record], msg_id: int):
+        instance = cls(db, msg_id)
+        await instance.fetch()
+        return instance
+
+    async def fetch(self) -> None:
+        query = """SELECT * FROM starboard_entries WHERE msg_id=$1"""
+
+        result = await self.db.fetchrow(query, self.msg_id)
+
+        if result is None:
+            self.exists = False
+            return
+
+        self.exists = True
+        self.msg_id = result["msg_id"]
+        self.channel_id = result["channel"]
+        self.stars = result["stars"]
+        self.bot_message_id = result["bot_message_id"]
+        self.bot_content_id = result["bot_content_id"]
+
+
+class Starboard(core.Cog):
+    def __init__(self, bot: core.Bot) -> None:
+        self.bot = bot
+
+        self.remove_on_delete: bool = CONFIG.get("remove_on_delete")
+        self.entry_requirement: int = CONFIG.get("entry_requirement")
+        self.starboard_channel_id: int = CONFIG.get("starboard_channel_id")
+        self.pool: asyncpg.Pool[asyncpg.Record] = bot.pool
+
+    def get_star(self, stars: int) -> str:
+        if stars <= 2:
+            return "✨"
+        elif stars <= 4:
+            return "💫"
+        elif stars <= 6:
+            return "⭐"
+        else:
+            return "🌟"
+
+    async def add_entry(
+        self, message_id: int, bot_message_id: int, payload_channel_id: int, reactions: int, content_id: int
+    ) -> None:
+        query = """INSERT INTO starboard_entries VALUES (
+                    $1,
+                    $2,
+                    $3,
+                    $4,
+                    $5
+                )"""
+        await self.pool.execute(query, message_id, bot_message_id, payload_channel_id, reactions, content_id)
+
+    async def add_starer(self, user_id: int, message_id: int) -> None:
+        query = """
+                INSERT INTO starers VALUES (
+                    $1,
+                    $2
+                )"""
+
+        await self.pool.execute(query, user_id, message_id)
+
+    async def remove_starer(self, message_id: int, user_id: int) -> None:
+        query = """DELETE FROM starers WHERE msg_id = $1 AND user_id= $2"""
+        await self.pool.execute(query, message_id, user_id)
+
+    async def update_entry(self, reactions: int, message_id: int) -> None:
+        query = """UPDATE starboard_entries SET stars = $1 WHERE msg_id = $2"""
+        await self.pool.execute(query, reactions, message_id)
+
+    async def remove_entry(self, message_id: int) -> None:
+        query = """DELETE FROM starboard_entries WHERE msg_id= $1"""
+        await self.pool.execute(query, message_id)
+
+    async def clear_starers(self, message_id: int) -> None:
+        query = """DELETE FROM starers WHERE msg_id = $1"""
+        await self.pool.execute(query, message_id)
+
+    def get_formatted_time(self) -> str:
+        now = datetime.datetime.now()
+        time = now.strftime("%m/%d/%Y %I:%M %p")
+        return time
+
+    async def handle_star(self, payload: discord.RawReactionActionEvent) -> None:
+        time = self.get_formatted_time()
+        entry = await StarboardEntry.from_query(self.pool, payload.message_id)
+
+        if str(payload.emoji) != STARBOARD_EMOJI:
+            return
+
+        channel: discord.TextChannel = self.bot.get_channel(payload.channel_id)  # type: ignore
+        message: discord.Message = await channel.fetch_message(payload.message_id)
+
+        reaction = discord.utils.get(message.reactions, emoji=STARBOARD_EMOJI)
+        reaction_count = reaction.count if reaction else 0
+
+        if entry.exists:
+            bot_msg_id = entry.bot_message_id
+
+            query = """SELECT * FROM starers WHERE user_id=$1 AND msg_id=$2"""
+
+            starer = await self.pool.fetchrow(query, payload.user_id, entry.msg_id)
+
+            if starer is not None:
+                return
+
+            await self.add_starer(payload.user_id, payload.message_id)
+
+            bot_channel: discord.TextChannel = self.bot.get_channel(self.starboard_channel_id)  # type: ignore
+            bot_message = await bot_channel.fetch_message(bot_msg_id)
+
+            stars = reaction_count
+            star = self.get_star(stars)
+            await bot_message.edit(content=HEADER_TEMPLATE.format(star, stars, payload.channel_id, payload.channel_id))
+            await self.update_entry(stars, payload.message_id)
+            return
+
+        if reaction_count < self.entry_requirement:
+            return
+
+        star = self.get_star(reaction_count)
+
+        embed = discord.Embed(color=STARBOARD_EMBED_COLOR, description=message.content)
+        if len(message.attachments) > 0:
+            for attachment in message.attachments:
+                filename = attachment.filename
+                if filename.endswith(VALID_FILE_ATTACHMENTS):
+                    if attachment.is_spoiler():
+                        embed.add_field(name="", value=f"[Click to view spoiler]({attachment.url})", inline=True)
+                        continue
+                    embed.set_image(url=attachment.url)
+                elif filename.endswith(VIDEO_FILE_ATTACHMENTS):
+                    embed.add_field(name="", value=f"[File: {attachment.filename}]({message.jump_url})")
+                elif any(link in message.content for link in VALID_IMAGE_LINKS):
+                    embed.set_image(url=message.content)
+                else:
+                    continue
+        message_url: str = message.jump_url
+
+        embed.set_author(name=message.author.display_name, icon_url=message.author.avatar)
+        embed.set_footer(text=time)
+
+        starboard = self.bot.get_channel(self.starboard_channel_id)
+
+        bot_message: discord.Message = await starboard.send(  # type: ignore
+            HEADER_TEMPLATE.format(star, reaction_count, payload.channel_id, payload.channel_id)
+        )
+        content_message = await starboard.send(  # type: ignore
+            embed=embed,
+            view=JumpView(url=message_url, timeout=40),
+        )
+
+        await self.add_entry(message.id, bot_message.id, payload.channel_id, reaction.count, content_message.id)
+        await self.add_starer(payload.user_id, message.id)
+
+    async def handle_unstar(self, payload: discord.RawReactionActionEvent) -> None:
+        entry = await StarboardEntry.from_query(self.pool, payload.message_id)
+
+        bot_msg_id = entry.bot_message_id
+        content_id = entry.bot_content_id
+
+        if not entry.exists:
+            return
+
+        channel: discord.TextChannel = await self.bot.fetch_channel(self.starboard_channel_id)  # type: ignore
+        bot_msg = await channel.fetch_message(bot_msg_id)
+        content_msg = await channel.fetch_message(content_id)
+
+        reacted_message_channel: discord.TextChannel = await self.bot.fetch_channel(payload.channel_id)  # type: ignore
+        reacted_message = await reacted_message_channel.fetch_message(payload.message_id)
+
+        reaction: discord.Reaction | None = discord.utils.get(reacted_message.reactions, emoji=STARBOARD_EMOJI)
+        reaction_count: int = reaction.count if reaction else 0
+        if reaction_count == 0:
+            # not possible to have zero stars.
+            await bot_msg.delete()
+            await content_msg.delete()
+
+            await self.remove_entry(payload.message_id)
+            return
+
+        star = self.get_star(reaction_count)
+        message = HEADER_TEMPLATE.format(star, reaction_count, payload.channel_id, payload.channel_id)
+
+        await self.update_entry(reaction_count, payload.message_id)
+        await self.remove_starer(payload.message_id, payload.user_id)
+        await bot_msg.edit(content=message)
+
+    @core.Cog.listener()
+    async def on_raw_reaction_add(self, payload: discord.RawReactionActionEvent) -> None:
+        await self.handle_star(payload)
+
+    @commands.Cog.listener()
+    async def on_raw_reaction_remove(self, payload: discord.RawReactionActionEvent) -> None:
+        await self.handle_unstar(payload)
+
+    @commands.Cog.listener()
+    async def on_message_delete(self, message: discord.Message) -> None:
+        possible_entry = await StarboardEntry.from_query(self.pool, message.id)  # type: ignore
+        await possible_entry.fetch()
+        if not possible_entry.exists:
+            return
+
+        if not self.remove_on_delete:
+            return
+
+        channel: discord.TextChannel = await self.bot.fetch_channel(self.starboard_channel_id)  # type: ignore
+        bot_msg = await channel.fetch_message(possible_entry.bot_message_id)
+        content_msg = await channel.fetch_message(possible_entry.bot_content_id)
+
+        await bot_msg.delete()
+        await content_msg.delete()
+        await self.remove_entry(message.id)
+        await self.clear_starers(message.id)
+
 
 async def setup(bot: core.Bot) -> None:
-    pass
+    await bot.add_cog(Starboard(bot))

types_/config.py

@@ -34,6 +34,12 @@ class Suggestions(TypedDict):
     webhook_url: str
 
 
+class Starboard(TypedDict):
+    remove_on_delete: bool
+    entry_requirement: int
+    starboard_channel_id: int
+
+
 class Config(TypedDict):
     prefix: str
     owner_ids: NotRequired[list[int]]
@@ -43,3 +49,4 @@ class Config(TypedDict):
     SNEKBOX: NotRequired[Snekbox]
     BADBIN: BadBin
     SUGGESTIONS: NotRequired[Suggestions]
+    STARBOARD: Starboard