fix: Threads pagination (#642)

* fix: Threads pagination

* cr

apps/web/src/app/(v2)/chat/threads/page.tsx

@@ -31,10 +31,22 @@ type FilterStatus =
 
 function AllThreadsPageContent() {
   const router = useRouter();
+  const limit = 25;
+  const [offset, setOffset] = useState(0);
   const { currentInstallation, installationsLoading } = useGitHubAppProvider();
-  const { threads, isLoading: threadsLoading } = useThreadsSWR({
+  const {
+    threads,
+    isLoading: threadsLoading,
+    hasMore,
+  } = useThreadsSWR({
     assistantId: MANAGER_GRAPH_ID,
     currentInstallation,
+    pagination: {
+      limit,
+      offset,
+      sortBy: "updated_at",
+      sortOrder: "desc",
+    },
   });
   const [searchQuery, setSearchQuery] = useState("");
   const [statusFilter, setStatusFilter] = useState<FilterStatus>("all");
@@ -96,6 +108,11 @@ function AllThreadsPageContent() {
     (statusFilter === "all"
       ? Object.values(groupedThreads).flat().length === 0
       : filteredThreads.length === 0);
+  const showNoThreads =
+    filteredThreads.length === 0 &&
+    !threadsLoading &&
+    !statusLoading &&
+    !showThreadsLoading;
 
   return (
     <div className="bg-background flex h-screen flex-col">
@@ -233,22 +250,18 @@ function AllThreadsPageContent() {
             </div>
           )}
 
-          {filteredThreads.length === 0 &&
-            !threadsLoading &&
-            !statusLoading && (
-              <div className="py-12 text-center">
-                <div className="text-muted-foreground mb-2">
-                  No threads found
-                </div>
-                <div className="text-muted-foreground/70 text-xs">
-                  {!threads || threads.length === 0
-                    ? "No threads have been created yet"
-                    : searchQuery
-                      ? "Try adjusting your search query"
-                      : "No threads match the selected filter"}
-                </div>
+          {showNoThreads && (
+            <div className="py-12 text-center">
+              <div className="text-muted-foreground mb-2">No threads found</div>
+              <div className="text-muted-foreground/70 text-xs">
+                {!threads || threads.length === 0
+                  ? "No threads have been created yet"
+                  : searchQuery
+                    ? "Try adjusting your search query"
+                    : "No threads match the selected filter"}
               </div>
-            )}
+            </div>
+          )}
 
           {showThreadsLoading && (
             <div>
@@ -264,6 +277,16 @@ function AllThreadsPageContent() {
               </div>
             </div>
           )}
+          {!showNoThreads && hasMore && (
+            <div className="flex items-center justify-center">
+              <Button
+                variant="outline"
+                onClick={() => setOffset((prev) => prev + limit)}
+              >
+                Load more
+              </Button>
+            </div>
+          )}
         </div>
       </div>
     </div>

apps/web/src/hooks/useThreadsSWR.ts

@@ -6,9 +6,11 @@ import { ManagerGraphState } from "@open-swe/shared/open-swe/manager/types";
 import { PlannerGraphState } from "@open-swe/shared/open-swe/planner/types";
 import { ReviewerGraphState } from "@open-swe/shared/open-swe/reviewer/types";
 import { GraphState } from "@open-swe/shared/open-swe/types";
-import { useMemo } from "react";
+import { useMemo, useState } from "react";
 import type { Installation } from "./useGitHubInstallations";
 
+type ThreadSortBy = "thread_id" | "status" | "created_at" | "updated_at";
+type SortOrder = "asc" | "desc";
 /**
  * Union type representing all possible graph states in the Open SWE system
  */
@@ -25,6 +27,32 @@ interface UseThreadsSWROptions {
   revalidateOnReconnect?: boolean;
   currentInstallation?: Installation | null;
   disableOrgFiltering?: boolean;
+  /**
+   * Pagination options
+   */
+  pagination?: {
+    /**
+     * Maximum number of threads to return.
+     * @default 25
+     */
+    limit?: number;
+    /**
+     * Offset to start from.
+     * @default 0
+     */
+    offset?: number;
+    /**
+     * Sort by.
+     * @default "updated_at"
+     */
+    sortBy?: ThreadSortBy;
+    /**
+     * Sort order.
+     * Must be one of 'asc' or 'desc'.
+     * @default "desc"
+     */
+    sortOrder?: SortOrder;
+  };
 }
 
 /**
@@ -45,12 +73,34 @@ export function useThreadsSWR<
     revalidateOnReconnect = THREAD_SWR_CONFIG.revalidateOnReconnect,
     currentInstallation,
     disableOrgFiltering,
+    pagination,
   } = options;
+  const [hasMoreState, setHasMoreState] = useState(true);
+
+  const paginationWithDefaults = {
+    limit: 25,
+    offset: 0,
+    sortBy: "updated_at" as ThreadSortBy,
+    sortOrder: "desc" as SortOrder,
+    ...pagination,
+  };
 
   const apiUrl: string | undefined = process.env.NEXT_PUBLIC_API_URL ?? "";
 
-  // Create a unique key for SWR caching based on assistantId
-  const swrKey = assistantId ? ["threads", assistantId] : ["threads", "all"];
+  // Create a unique key for SWR caching based on assistantId and pagination parameters
+  const swrKey = useMemo(() => {
+    const baseKey = assistantId ? ["threads", assistantId] : ["threads", "all"];
+    if (pagination) {
+      return [
+        ...baseKey,
+        paginationWithDefaults.limit,
+        paginationWithDefaults.offset,
+        paginationWithDefaults.sortBy,
+        paginationWithDefaults.sortOrder,
+      ];
+    }
+    return baseKey;
+  }, [assistantId, paginationWithDefaults]);
 
   const fetcher = async (): Promise<Thread<TGraphState>[]> => {
     if (!apiUrl) {
@@ -63,8 +113,11 @@ export function useThreadsSWR<
           metadata: {
             graph_id: assistantId,
           },
+          ...(paginationWithDefaults ? paginationWithDefaults : {}),
         }
-      : undefined;
+      : paginationWithDefaults
+        ? paginationWithDefaults
+        : undefined;
 
     return await client.threads.search<TGraphState>(searchArgs);
   };
@@ -89,7 +142,12 @@ export function useThreadsSWR<
       return allThreads;
     }
 
+    if (!allThreads.length) {
+      setHasMoreState(false);
+    }
+
     if (!currentInstallation) {
+      setHasMoreState(false);
       return [];
     }
 
@@ -102,11 +160,16 @@ export function useThreadsSWR<
     });
   }, [data, currentInstallation, disableOrgFiltering]);
 
+  const hasMore = useMemo(() => {
+    return hasMoreState && !!threads.length;
+  }, [threads, paginationWithDefaults]);
+
   return {
     threads,
     error,
     isLoading,
     isValidating,
     mutate,
+    hasMore,
   };
 }