feat(dsi): display paginated search results

Render Flipnote and creator results while preserving the query and scope between pages.

hatenadir/ds/v2-xx/search.ugo.py

@@ -0,0 +1,41 @@
+from twisted.web import resource
+
+from DB import Database
+from hatena import request_args
+from reximemo import dsi_url, flipnote_buttons, make_menu, page_number, pagination_buttons
+
+
+class PyResource(resource.Resource):
+    isLeaf = True
+
+    def render_GET(self, request):
+        args = request_args(request)
+        query = str((args.get("q") or [""])[0]).strip()[:100]
+        kind = "creators" if (args.get("kind") or [""])[0] == "creators" else "flipnotes"
+        start = [
+            {"label": "Search Flipnotes", "url": dsi_url(request, "search/flipnotes.kbd"), "icon": 112},
+            {"label": "Search Creators", "url": dsi_url(request, "search/creators.kbd"), "icon": 112},
+        ]
+        if query:
+            total = Database.count_creators(query) if kind == "creators" else Database.count_flipnotes(q=query)
+            page = page_number(request, total, 25)
+            if kind == "creators":
+                rows = Database.search_creators(query, page=page, per_page=25)
+                results = [{"label": row["display_name"], "url": dsi_url(request, f"creator/{row['id']}/profile.htm"), "icon": 100}
+                           for row in rows]
+            else:
+                results = flipnote_buttons(request, Database.list_flipnotes(q=query, page=page, per_page=25))
+            pager = pagination_buttons(request, "search.uls", page, total, 25, {"q": query, "kind": kind})
+            before = [button for button in pager if button["label"].startswith("Previous")]
+            after = [button for button in pager if button["label"].startswith("Next")]
+            buttons = start + before + results + after
+            subtitle = ("Creators: " if kind == "creators" else "Flipnotes: ") + query[:35]
+            if not total:
+                subtitle = "No matching " + kind + ". Try another search."
+        else:
+            total = 0
+            buttons = start
+            subtitle = "Choose what to search for."
+        request.setHeader(b"content-type", b"text/plain")
+        return make_menu(layout=(2, 1), title="Search", subtitle_top=subtitle,
+                         left="Results", right=str(total), buttons=buttons)