[MAL] Add update command (#5)

* initial addition

* remove manga whose status changed

* fix message edit after update completed

src/nikobot/modules/mal/mal_user.py

@@ -67,7 +67,7 @@ def fetch_manga_list(self) -> None:
 
         manga_list = mal_helper.get_manga_list_from_username(self.username)
         for entry in manga_list:
-            mal_id = entry["mal_id"]
+            mal_id = int(entry["mal_id"])
             if mal_id in self.manga:
                 self.manga[mal_id].set_chapters_read(entry["read_chapters"])
             else:
@@ -77,6 +77,13 @@ def fetch_manga_list(self) -> None:
                     self.manga[mal_id] = manga
                 except error.MediaTypeError:
                     pass
+
+        # remove manga that no longer have the 'Reading' status on MAL
+        correct_mal_ids = [int(entry["mal_id"]) for entry in manga_list]
+        for mal_id in list(self.manga.keys()):
+            if mal_id not in correct_mal_ids:
+                self.manga.pop(mal_id)
+
         self.save_to_storage()
 
     def save_to_storage(self) -> None:

src/nikobot/modules/mal/malnotifier.py

@@ -133,6 +133,38 @@ async def deregister(self, ctx: commands.context.Context | discord.interactions.
                                  embed=discord.Embed(title="Successfully deregistered from release notifications",
                                                      color=discord.Color.blue()))
 
+    @util.discord.grouped_hybrid_command(
+        name="update",
+        description="Check for new manga chapters for the MyAnimeList account connected to your discord account",
+        command_group=command_group
+    )
+    async def update(self, ctx: commands.context.Context | discord.interactions.Interaction):
+        """The discord command 'niko.mal.update'"""
+
+        if util.discord.is_slash_command(ctx):
+            user_id = ctx.user.id
+        else:
+            user_id = ctx.author.id
+
+        if not util.VolatileStorage.contains("mal.user", str(user_id)):
+            await util.discord.reply(ctx,
+                                     embed=discord.Embed(title="You are not yet registered",
+                                                         color=discord.Color.orange()))
+            return
+
+        embed = discord.Embed(title="Checking for new chapters...",
+                              color=discord.Color.blue())
+        embed.add_field(name="\u200b",
+                        value="Please wait a few minutes",
+                        inline=True)
+        message = await util.discord.reply(ctx, embed=embed)
+
+        maluser = util.VolatileStorage[f"mal.user.{user_id}"]
+        await self.notify_user(int(user_id), maluser)
+
+        await message.edit(embed=discord.Embed(title="Finished checking!",
+                                               color=discord.Color.blue()))
+
     @tasks.loop(hours=1, reconnect=True, name="notify-users-task")
     async def notify_users(self):
         """A method responsible for notifying users if a new manga chapter was released"""

src/nikobot/modules/mal/manga.py

@@ -94,6 +94,9 @@ def from_export(export: dict[str, str]) -> Manga:
     def from_mal_id(mal_id: int) -> Manga:
         """Factory method creating a new Manga object using the MyAnimeList id"""
 
+        if not isinstance(mal_id, int):
+            raise TypeError()
+
         data = mal_helper.get_manga_from_id(mal_id)
         manga = Manga(mal_id,
                       data["title"],