Added the code, heavily derived off of the snippet ban code. gonna integrate with polls next.

tux/cogs/moderation/pollban.py

@@ -0,0 +1,96 @@
+import discord
+from discord.ext import commands
+from loguru import logger
+
+from prisma.enums import CaseType
+from tux.bot import Tux
+from tux.database.controllers.case import CaseController
+from tux.utils import checks
+from tux.utils.flags import PollBanFlags, generate_usage
+
+from . import ModerationCogBase
+
+
+class PollBan(ModerationCogBase):
+    def __init__(self, bot: Tux) -> None:
+        super().__init__(bot)
+        self.case_controller = CaseController()
+        self.poll_ban.usage = generate_usage(self.poll_ban, PollBanFlags)
+
+    @commands.hybrid_command(
+        name="pollban",
+        aliases=["pb"],
+    )
+    @commands.guild_only()
+    @checks.has_pl(3)
+    async def poll_ban(
+        self,
+        ctx: commands.Context[Tux],
+        member: discord.Member,
+        *,
+        flags: PollBanFlags,
+    ) -> None:
+        """
+        Ban a user from creating polls using tux..
+
+        Parameters
+        ----------
+        ctx : commands.Context[Tux]
+            The context object.
+        member : discord.Member
+            The member to poll ban.
+        flags : PollBanFlags
+            The flags for the command. (reason: str, silent: bool)
+        """
+
+        assert ctx.guild
+
+        if await self.is_pollbanned(ctx.guild.id, member.id):
+            await ctx.send("User is already poll banned.", delete_after=30, ephemeral=True)
+            return
+
+        try:
+            case = await self.db.case.insert_case(
+                case_user_id=member.id,
+                case_moderator_id=ctx.author.id,
+                case_type=CaseType.POLLBAN,
+                case_reason=flags.reason,
+                guild_id=ctx.guild.id,
+            )
+
+        except Exception as e:
+            logger.error(f"Failed to ban {member}. {e}")
+            await ctx.send(f"Failed to ban {member}. {e}", delete_after=30)
+            return
+
+        dm_sent = await self.send_dm(ctx, flags.silent, member, flags.reason, "poll banned")
+        await self.handle_case_response(ctx, CaseType.POLLBAN, case.case_number, flags.reason, member, dm_sent)
+
+    async def is_pollbanned(self, guild_id: int, user_id: int) -> bool:
+        """
+        Check if a user is poll banned.
+
+        Parameters
+        ----------
+        guild_id : int
+            The ID of the guild to check in.
+        user_id : int
+            The ID of the user to check.
+
+        Returns
+        -------
+        bool
+            True if the user is poll banned, False otherwise.
+        """
+
+        ban_cases = await self.case_controller.get_all_cases_by_type(guild_id, CaseType.POLLBAN)
+        unban_cases = await self.case_controller.get_all_cases_by_type(guild_id, CaseType.POLLUNBAN)
+
+        ban_count = sum(case.case_user_id == user_id for case in ban_cases)
+        unban_count = sum(case.case_user_id == user_id for case in unban_cases)
+
+        return ban_count > unban_count
+
+
+async def setup(bot: Tux) -> None:
+    await bot.add_cog(PollBan(bot))