feat(registrations): Use profile data in CSV exports and add service role client for events

- Add service role Supabase client to events export endpoint to bypass RLS when querying registrations
- Fetch user profiles for registrations with user_id to populate accurate name and email data
- Update CSV export to display profile name and email when available, falling back to registration data
- Apply same profile data logic to hackathons registration export for consistency
- Rename server client import to avoid naming conflicts with service role client
- Improves data accuracy in exported registrations by using authoritative profile information

Author: akshay0611

app/api/events/[slug]/registrations/export/route.ts

@@ -1,19 +1,34 @@
 import { NextRequest, NextResponse } from 'next/server';
-import { createClient } from '@/lib/supabase/server';
+import { createClient as createServerClient } from '@/lib/supabase/server';
+import { createClient } from '@supabase/supabase-js';
 
 export const runtime = 'nodejs';
 
+// Create Supabase client with service role key to bypass RLS for master_registrations
+const getServiceRoleClient = () => {
+    return createClient(
+        process.env.NEXT_PUBLIC_SUPABASE_URL!,
+        process.env.SUPABASE_SERVICE_ROLE_KEY!,
+        {
+            auth: {
+                autoRefreshToken: false,
+                persistSession: false
+            }
+        }
+    );
+};
+
 // GET: Export registrations as CSV
 export async function GET(
     request: NextRequest,
     { params }: { params: Promise<{ slug: string }> }
 ) {
     try {
         const { slug } = await params;
-        const supabase = await createClient();
-
-        // Get the current user
-        const { data: { user }, error: authError } = await supabase.auth.getUser();
+        
+        // Use server client for authentication
+        const serverClient = await createServerClient();
+        const { data: { user }, error: authError } = await serverClient.auth.getUser();
 
         if (authError || !user) {
             return NextResponse.json(
@@ -22,6 +37,9 @@ export async function GET(
             );
         }
 
+        // Use service role client for querying (bypasses RLS)
+        const supabase = getServiceRoleClient();
+
         // Get the event by slug
         const { data: event, error: eventError } = await supabase
             .from('events')
@@ -67,6 +85,21 @@ export async function GET(
             );
         }
 
+        // Get user profiles for registrations that have user_id
+        const userIds = registrations
+            ?.filter(r => r.user_id)
+            .map(r => r.user_id) || [];
+
+        let profiles: { id: string; first_name: string | null; last_name: string | null; email: string | null }[] = [];
+        if (userIds.length > 0) {
+            const { data: profilesData } = await supabase
+                .from('profiles')
+                .select('id, first_name, last_name, email')
+                .in('id', userIds);
+
+            profiles = profilesData || [];
+        }
+
         // Convert to CSV
         const headers = [
             'ID',
@@ -82,6 +115,14 @@ export async function GET(
         const csvRows = [headers.join(',')];
 
         registrations?.forEach(reg => {
+            // Get profile data if available
+            const profile = profiles.find(p => p.id === reg.user_id);
+            const profileName = profile
+                ? `${profile.first_name || ''} ${profile.last_name || ''}`.trim()
+                : null;
+            const displayName = profileName || reg.full_name || '';
+            const displayEmail = profile?.email || reg.email || '';
+
             // Format date to be more readable (e.g., "Nov 19 2025")
             const registeredDate = reg.created_at 
                 ? new Date(reg.created_at).toLocaleDateString('en-US', { 
@@ -93,8 +134,8 @@ export async function GET(
 
             const row = [
                 reg.id,
-                `"${reg.full_name || ''}"`,
-                `"${reg.email || ''}"`,
+                `"${displayName}"`,
+                `"${displayEmail}"`,
                 `"${reg.phone || ''}"`,
                 reg.status,
                 reg.payment_status,

app/api/hackathons/[id]/registrations/export/route.ts

@@ -85,6 +85,21 @@ export async function GET(
             );
         }
 
+        // Get user profiles for registrations that have user_id
+        const userIds = registrations
+            ?.filter(r => r.user_id)
+            .map(r => r.user_id) || [];
+
+        let profiles: { id: string; first_name: string | null; last_name: string | null; email: string | null }[] = [];
+        if (userIds.length > 0) {
+            const { data: profilesData } = await supabase
+                .from('profiles')
+                .select('id, first_name, last_name, email')
+                .in('id', userIds);
+
+            profiles = profilesData || [];
+        }
+
         // Convert to CSV
         const headers = [
             'ID',
@@ -100,6 +115,14 @@ export async function GET(
         const csvRows = [headers.join(',')];
 
         registrations?.forEach(reg => {
+            // Get profile data if available
+            const profile = profiles.find(p => p.id === reg.user_id);
+            const profileName = profile
+                ? `${profile.first_name || ''} ${profile.last_name || ''}`.trim()
+                : null;
+            const displayName = profileName || reg.full_name || '';
+            const displayEmail = profile?.email || reg.email || '';
+
             // Format date to be more readable (e.g., "Nov 19 2025")
             const registeredDate = reg.created_at 
                 ? new Date(reg.created_at).toLocaleDateString('en-US', { 
@@ -111,8 +134,8 @@ export async function GET(
 
             const row = [
                 reg.id,
-                `"${reg.full_name || ''}"`,
-                `"${reg.email || ''}"`,
+                `"${displayName}"`,
+                `"${displayEmail}"`,
                 `"${reg.phone || ''}"`,
                 reg.status,
                 reg.payment_status,