feat(dsi): paginate Creator's Room uploads

Page through creator uploads while displaying the full total and safely rendering names.

hatenadir/ds/v2-xx/creator.py

@@ -3,7 +3,7 @@ from twisted.web import resource
 
 from DB import Database
 from hatena import NotFound, as_text
-from reximemo import dsi_url, flipnote_buttons, html_page, make_menu
+from reximemo import dsi_text_html, dsi_url, flipnote_buttons, html_page, make_menu, page_number, pagination_buttons
 
 
 class PyResource(resource.Resource):
@@ -38,12 +38,17 @@ class CreatorLeaf(resource.Resource):
         room = Database.get_creator_room(self.room_id)
         if not room:
             return NotFound.render(request)
-        notes = Database.list_creator_flipnotes(self.room_id, limit=50)
+        total = Database.count_flipnotes(room_id=self.room_id)
+        page = page_number(request, total)
+        notes = Database.list_creator_flipnotes(self.room_id, limit=50, offset=(page - 1) * 50)
         if self.action in {"room.uls", "movies.uls"}:
+            pager = pagination_buttons(request, f"creator/{self.room_id}/movies.uls", page, total)
+            prev = [item for item in pager if item["label"].startswith("Previous")]
+            nxt = [item for item in pager if item["label"].startswith("Next")]
             request.setHeader(b"content-type", b"text/plain")
             return make_menu(
                 layout=(2,1), title=room["display_name"], subtitle_top="Creator's Room",
-                left="Flipnotes", right=str(len(notes)), buttons=flipnote_buttons(request, notes),
+                left="Flipnotes", right=str(total), buttons=prev + flipnote_buttons(request, notes) + nxt,
                 corner={"label":"Post", "url":dsi_url(request, "ch/1.post")},
             )
         profile = (
@@ -54,7 +59,7 @@ class CreatorLeaf(resource.Resource):
             '<tr><th>Identity</th><td>%s</td></tr>'
             '</table><p><a href="%s">View Flipnotes</a></p>'
         ) % (
-            html.escape(room["display_name"]), len(notes),
+            dsi_text_html(room["display_name"]), total,
             "Account" if room.get("account_id") else "Guest/IP",
             html.escape(dsi_url(request, f"creator/{self.room_id}/movies.uls"), quote=True),
         )