From d26ebc0b2e55d21dc6000916512a2138aae5f6b2 Mon Sep 17 00:00:00 2001
From: robin <robin@fluffigewolke.de>
Date: Thu, 18 Dec 2025 21:48:25 +0100
Subject: [PATCH] fix(query): resolve PostgREST grouping error in SessionList

---
 src/components/SessionList.tsx | 35 +++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

diff --git a/src/components/SessionList.tsx b/src/components/SessionList.tsx
index cf56d9d..44a5c95 100644
--- a/src/components/SessionList.tsx
+++ b/src/components/SessionList.tsx
@@ -44,7 +44,6 @@ export default function SessionList() {
             .select(`
                 *,
                 session_participants (
-                    count,
                     buddies (name)
                 ),
                 tastings (count)
@@ -53,32 +52,38 @@ export default function SessionList() {
 
         if (error) {
             console.error('Error fetching sessions:', error);
-            // Fallback: try without tastings join if relationship is missing
+            // Fallback: try without tastings join
             const { data: fallbackData, error: fallbackError } = await supabase
                 .from('tasting_sessions')
                 .select(`
                     *,
-                    session_participants (count)
+                    session_participants (buddies(name))
                 `)
                 .order('scheduled_at', { ascending: false });
 
             if (fallbackError) {
                 console.error('Error fetching sessions fallback:', fallbackError);
             } else {
-                setSessions(fallbackData.map(s => ({
-                    ...s,
-                    participant_count: s.session_participants[0]?.count || 0,
-                    participants: (s.session_participants as any[])?.filter(p => p.buddies).map(p => p.buddies.name) || [],
-                    whisky_count: 0
-                })) || []);
+                setSessions(fallbackData.map(s => {
+                    const participants = (s.session_participants as any[])?.filter(p => p.buddies).map(p => p.buddies.name) || [];
+                    return {
+                        ...s,
+                        participant_count: participants.length,
+                        participants: participants,
+                        whisky_count: 0
+                    };
+                }) || []);
             }
         } else {
-            setSessions(data.map(s => ({
-                ...s,
-                participant_count: s.session_participants[0]?.count || 0,
-                participants: (s.session_participants as any[])?.filter(p => p.buddies).map(p => p.buddies.name) || [],
-                whisky_count: s.tastings[0]?.count || 0
-            })) || []);
+            setSessions(data.map(s => {
+                const participants = (s.session_participants as any[])?.filter(p => p.buddies).map(p => p.buddies.name) || [];
+                return {
+                    ...s,
+                    participant_count: participants.length,
+                    participants: participants,
+                    whisky_count: s.tastings[0]?.count || 0
+                };
+            }) || []);
         }
         setIsLoading(false);
     };