Implemented #7

cogs/guess.py

@@ -1,5 +1,10 @@
-from discord import ApplicationContext, Cog, option, slash_command
+from typing import List
 
+from bson import ObjectId
+from bson.errors import InvalidId
+from discord import ApplicationContext, Cog, option, slash_command, File
+
+from classes import PycordEvent, PycordUser, PycordGuild, PycordEventStage
 from classes.pycord_bot import PycordBot
 
 
@@ -16,7 +21,64 @@ class Guess(Cog):
     )
     @option("answer", description="An answer to the current stage")
     async def command_guess(self, ctx: ApplicationContext, answer: str) -> None:
-        await ctx.respond("Not implemented.")
+        guild: PycordGuild = await self.bot.find_guild(ctx.guild.id)
+
+        if not guild.is_configured():
+            # TODO Make a nice message
+            await ctx.respond("Guild is not configured.")
+            return
+
+        user: PycordUser = await self.bot.find_user(ctx.author)
+
+        if user.current_event_id is None or user.current_stage_id is None:
+            # TODO Make a nice message
+            await ctx.respond("You have no ongoing events.")
+            return
+
+        try:
+            event: PycordEvent = await self.bot.find_event(event_id=user.current_event_id)
+            stage: PycordEventStage = await self.bot.find_event_stage(user.current_stage_id)
+        except (InvalidId, RuntimeError):
+            # TODO Make a nice message
+            await ctx.respond(
+                "Your event could not be found. Please, report this issue to the event's management."
+            )
+            return
+
+        if answer.lower() != stage.answer.lower():
+            # TODO Make a nice message
+            await ctx.respond("Provided answer is wrong.")
+            return
+
+        next_stage_index = stage.sequence + 1
+        next_stage_id: ObjectId | None = (
+            None if len(event.stage_ids) < next_stage_index + 1 else event.stage_ids[next_stage_index]
+        )
+
+        if next_stage_id is None:
+            # TODO Make a nice message
+            user.completed_event_ids.append(event._id)
+
+            await user._set(
+                self.bot.cache,
+                current_event_id=None,
+                current_stage_id=None,
+                completed_event_ids=user.completed_event_ids,
+            )
+
+            await ctx.respond("Event is completed.")
+            return
+
+        next_stage: PycordEventStage = await self.bot.find_event_stage(next_stage_id)
+
+        files: List[File] | None = next_stage.get_media_files()
+
+        await ctx.respond(
+            f"Provided answer is correct! Next stage...\n\n{next_stage.question}",
+            files=files,
+        )
+
+        await user.set_event_stage(next_stage._id, cache=self.bot.cache)
 
 
 def setup(bot: PycordBot) -> None: