Fix: Use live API data for Slack channel discovery

Replaced mock data in the Slack connector's channel management UI with a real API call to the backend.

- Implemented `discoverSlackChannelsAPI` in the `useConnectorEditPage` hook to fetch channels from `/api/search-source-connectors/slack/:connectorId/discover-channels`.
- Updated the `handleDiscoverChannels` function in `EditConnectorPage` to use this new API function.
- Ensured consistent `SlackChannelInfo` type usage.

This fixes a bug where incorrect Slack channel names were displayed due to the UI using stale mock data instead of actual data reflecting the bot's true channel memberships.

surfsense_web/app/dashboard/[search_space_id]/connectors/[connector_id]/edit/page.tsx

@@ -74,9 +74,8 @@ export default function EditConnectorPage() {
         isFetchingRepos,
         handleFetchRepositories,
         handleRepoSelectionChange,
-        // Placeholder functions that would ideally come from the hook
-        // discoverSlackChannels: hookDiscoverSlackChannels, 
-        // triggerSlackReindex: hookTriggerSlackReindex,
+        discoverSlackChannelsAPI, // Added the actual API function from the hook
+        // triggerSlackReindex: hookTriggerSlackReindex, // Placeholder for reindex
     } = useConnectorEditPage(connectorId, searchSpaceId);
 
     // State for Slack Channel Management
@@ -110,22 +109,18 @@ export default function EditConnectorPage() {
     const handleDiscoverChannels = async () => {
         setIsDiscoveringChannels(true);
         toast.info("Discovering Slack channels...");
-        // Replace with actual API call:
-        // const channels = await hookDiscoverSlackChannels(connectorId);
-        // For now, using mock data:
-        await new Promise(resolve => setTimeout(resolve, 1500)); // Simulate API delay
-        const mockChannels: SlackChannelInfo[] = [
-            { id: "C123", name: "general", is_private: false, is_member: true },
-            { id: "C456", name: "random", is_private: false, is_member: true },
-            { id: "C789", name: "dev-team-private", is_private: true, is_member: true },
-            { id: "CABC", name: "marketing", is_private: false, is_member: false }, // Bot not member
-        ];
-        const memberChannels = mockChannels.filter(ch => ch.is_member);
-        setDiscoveredChannels(memberChannels);
-        if (memberChannels.length > 0) {
-            toast.success(`Discovered ${memberChannels.length} channels where bot is a member.`);
+        
+        // Call the actual API function from the hook
+        const actualChannels = await discoverSlackChannelsAPI(connectorId);
+        
+        setDiscoveredChannels(actualChannels);
+
+        if (actualChannels.length > 0) {
+            toast.success(`Discovered ${actualChannels.length} channels where the bot is a member.`);
         } else {
-            toast.warning("No channels found where the bot is a member, or discovery failed.");
+            // The API function itself should show an error toast on failure.
+            // This warning can be for cases where the API call succeeded but returned no channels.
+            toast.warning("No channels found where the bot is a member, or discovery returned no channels.");
         }
         setIsDiscoveringChannels(false);
     };

surfsense_web/hooks/useConnectorEditPage.ts

@@ -13,6 +13,14 @@ import {
     EditConnectorFormValues 
 } from '@/components/editConnector/types';
 
+// Define SlackChannelInfo interface as it might not be globally available
+export interface SlackChannelInfo {
+    id: string;
+    name: string;
+    is_private: boolean;
+    is_member: boolean;
+}
+
 export function useConnectorEditPage(connectorId: number, searchSpaceId: string) {
     const router = useRouter();
     const { connectors, updateConnector, isLoading: connectorsLoading } = useSearchSourceConnectors();
@@ -245,5 +253,54 @@ export function useConnectorEditPage(connectorId: number, searchSpaceId: string)
         isFetchingRepos,
         handleFetchRepositories,
         handleRepoSelectionChange,
+        discoverSlackChannelsAPI, // Add the new function here
     };
-} 
+}
+
+// Implementation of discoverSlackChannelsAPI
+async function discoverSlackChannelsAPI(connectorId: number): Promise<SlackChannelInfo[]> {
+    const token = localStorage.getItem('surfsense_bearer_token');
+    if (!token) {
+        toast.error('Authentication token not found. Please log in again.');
+        return [];
+    }
+
+    try {
+        const response = await fetch(
+            `${process.env.NEXT_PUBLIC_FASTAPI_BACKEND_URL}/api/search-source-connectors/slack/${connectorId}/discover-channels`,
+            {
+                method: 'GET',
+                headers: {
+                    'Content-Type': 'application/json',
+                    'Authorization': `Bearer ${token}`,
+                },
+            }
+        );
+
+        if (!response.ok) {
+            let errorMsg = 'Failed to discover channels.';
+            try {
+                const errorData = await response.json();
+                errorMsg = errorData.detail || errorMsg;
+            } catch (e) {
+                // Ignore if error response is not JSON
+            }
+            toast.error(`Failed to discover channels: ${errorMsg}`);
+            return [];
+        }
+
+        const data = await response.json();
+        if (data && Array.isArray(data.channels)) {
+            // Optional: Add a success toast if needed, e.g.:
+            // toast.success(`Discovered ${data.channels.length} channels.`);
+            return data.channels as SlackChannelInfo[];
+        } else {
+            toast.error('Invalid response format from server when discovering channels.');
+            return [];
+        }
+    } catch (error) {
+        console.error("Error discovering Slack channels:", error);
+        toast.error(error instanceof Error ? `Error discovering channels: ${error.message}` : "An unknown error occurred while discovering channels.");
+        return [];
+    }
+}