Add EmbedListPaginator and fix invitefilter list

cogs/filters.py

@@ -10,7 +10,7 @@
 from utils.checks import is_staff
 from utils.database import FilterKind
 from utils.utils import text_to_discord_file
-from utils.views import ConfirmationButtons
+from utils.views import ConfirmationButtons, PaginatedEmbedView, EmbedListPaginator
 
 if TYPE_CHECKING:
     from kurisu import Kurisu
@@ -348,9 +348,27 @@ async def delete_invite(self, ctx: KurisuContext, code: str):
     async def list_invites(self, ctx: KurisuContext):
         """List invites in the filter whitelist"""
         if self.filters.approved_invites:
-            embed = discord.Embed()
-            embed.add_field(name='Invites', value='\n'.join(f"name: {invite.alias} code:{invite.code} uses:{invite.uses}" for invite in self.filters.approved_invites.values()))
-            await ctx.send(embed=embed)
+            embeds: list[discord.Embed] = []
+            idx = 0
+            text = ""
+            next_line = ""
+            n_invites = len(self.filters.approved_invites.values())
+            embeds.append(discord.Embed(title=f"List of invites [{idx+1}]"))
+            for n, invite in enumerate(self.filters.approved_invites.values(), start=1):
+                next_line = f"name: {invite.alias} code:{invite.code} uses:{invite.uses}\n"
+                if len(text) + len(next_line) > 1024:
+                    embeds[idx].add_field(name='Invites', value=text)
+                    text = next_line
+                    if n < n_invites:
+                        idx += 1
+                        embeds.append(discord.Embed(title=f"List of invites [{idx+1}]"))
+                else:
+                    text += next_line
+                    next_line = ""
+            if not next_line:
+                embeds[idx].add_field(name='Invites', value=text)
+            view = PaginatedEmbedView(EmbedListPaginator(embeds))
+            await ctx.send(embed=view.paginator.current(), view=view)
         else:
             await ctx.send("The invite filter is empty!")
 

utils/views.py

@@ -143,6 +143,15 @@ def __init__(self, paginator: BasePaginator, timeout: int = 20,
             self.clear_items()
 
 
+class EmbedListPaginator(BasePaginator):
+    def __init__(self, embeds: list[Embed]):
+        super().__init__(n_pages=len(embeds))
+        self.pages = {n: embed for n, embed in enumerate(embeds)}
+
+    def current(self):
+        return self.pages[self.idx]
+
+
 class VoteButton(Button['SimpleVoteView']):
     label: str