Add command to view presences.

cogs/commands/view.py

@@ -7,7 +7,12 @@ from nextcord.ext import commands
 from sqlalchemy import select
 from sqlalchemy.orm import Session
 
-from database_setup.sql_data_classes import ElectionInformation, Votes, engine
+from database_setup.sql_data_classes import (
+    ElectionInformation,
+    Presences,
+    Votes,
+    engine,
+)
 
 
 class ViewCog(commands.Cog, name="View Commands"):
@@ -20,12 +25,48 @@ class ViewCog(commands.Cog, name="View Commands"):
         Default constructor for ViewCog class. Does nothing.
         """
 
-    @nextcord.slash_command()
+    @nextcord.slash_command(guild_ids=[1000247361639030804])  # TODO remove guild ids
     async def view(self, interaction: nextcord.Interaction):
         """
         Parent slash command for set. Never called.
         """
 
+    @view.subcommand(description="Show all possible presence choices.")
+    async def presences(
+        self,
+        interaction: nextcord.Interaction,
+        search: str = nextcord.SlashOption(
+            description="A word or string to search for in the presences.",
+            required=False,
+        ),
+    ):
+        """
+        Gathers all presences from the database and responds with a message showing them.
+
+        Args:
+            interaction (nextcord.Integration):  User's interaction with the command.
+        """
+
+        # might take a while depending on number of presences
+        await interaction.response.defer(ephemeral=True)
+
+        with Session(engine) as session:
+            stmt = select(Presences.Presence)
+            presences = session.scalars(stmt)
+
+            message = ""
+
+            # have 2 loops so that the "if search" check isn't done repeatedly
+            if search:
+                for presence in presences:
+                    if search.lower() in presence.lower():
+                        message += f"{presence}\n"
+            else:
+                for presence in presences:
+                    message += f"{presence}\n"
+
+        await interaction.followup.send(content=message, ephemeral=True)
+
     @view.subcommand(
         description="Shows all voters and who they voted for in a given election."
     )