Use tanstack for caching of events

src/routes/private/events/queries.ts

@@ -0,0 +1,73 @@
+import type { SupabaseClient } from '@supabase/supabase-js';
+
+export interface Event {
+    id: string;
+    name: string;
+    date: string;
+    archived: boolean;
+}
+
+/**
+ * Unified function to get events or search events based on a search term
+ * @param supabase The Supabase client
+ * @param searchTerm Optional search term - if provided, will filter by name
+ * @returns Combined array of regular and archived events
+ */
+export async function getEvents(supabase: SupabaseClient, searchTerm: string = '') {
+    try {
+        const searchPattern = searchTerm.trim() ? `%${searchTerm}%` : null;
+
+        console.log('Actually fetching!');
+        
+        // Build regular events query
+        let regularQuery = supabase
+            .from('events')
+            .select('id, name, date')
+            .order('date', { ascending: false });
+            
+        // Apply search filter if needed
+        if (searchPattern) {
+            regularQuery = regularQuery.ilike('name', searchPattern);
+        }
+            
+        // Fetch regular events
+        const { data: regularEvents, error: regularError } = await regularQuery;
+
+        if (regularError) throw regularError;
+
+        // Build archived events query
+        let archivedQuery = supabase
+            .from('events_archived')
+            .select('id, name, date')
+            .order('date', { ascending: false })
+            .limit(searchPattern ? 50 : 20); // Fetch more when searching
+            
+        // Apply search filter if needed
+        if (searchPattern) {
+            archivedQuery = archivedQuery.ilike('name', searchPattern);
+        }
+        
+        // Fetch archived events
+        const { data: archivedEvents, error: archivedError } = await archivedQuery;
+            
+        if (archivedError) throw archivedError;
+
+        // Merge both arrays, marking archived events
+        const regularMapped = (regularEvents || []).map((event) => ({ ...event, archived: false }));
+        const archivedMapped = (archivedEvents || []).map((event) => ({
+            ...event,
+            archived: true
+        }));
+
+        // Sort all events by date (newest first)
+        const combined = [...regularMapped, ...archivedMapped];
+        combined.sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime());
+
+        return combined;
+    } catch (error) {
+        console.error('Error fetching events:', error);
+        throw new Error(searchTerm.trim() 
+            ? `Failed to search events for "${searchTerm}"` 
+            : 'Failed to load events');
+    }
+}