build: 444813b5-5daf-49b2-bf1a-7e4caeab4e17

supabase/functions/send-notification/index.ts

@@ -0,0 +1,169 @@
+import { serve } from 'https://deno.land/std@0.177.0/http/server.ts';
+import { createClient } from 'npm:@supabase/supabase-js@2';
+import { cert, getApps, initializeApp } from 'npm:firebase-admin@12.2.0/app';
+import { getMessaging } from 'npm:firebase-admin@12.2.0/messaging';
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers':
+    'authorization, x-client-info, apikey, content-type',
+};
+
+// Singleton — Edge Functions can be warm-reused; avoid "app already exists" error
+const app =
+  getApps()[0] ??
+  initializeApp({
+    credential: cert(
+      JSON.parse(
+        atob(Deno.env.get('FIREBASE_SERVICE_ACCOUNT')!.replace(/\s/g, ''))
+      )
+    ),
+  });
+const messaging = getMessaging(app);
+
+serve(async (req) => {
+  if (req.method === 'OPTIONS') {
+    return new Response('ok', { headers: corsHeaders });
+  }
+
+  try {
+    const supabaseUrl = Deno.env.get('SUPABASE_URL')!;
+    const supabaseAnonKey = Deno.env.get('SUPABASE_ANON_KEY')!;
+
+    const authHeader = req.headers.get('Authorization');
+    if (!authHeader) {
+      return new Response(JSON.stringify({ error: 'Missing auth headers' }), {
+        status: 401,
+        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+      });
+    }
+
+    const supabase = createClient(supabaseUrl, supabaseAnonKey, {
+      global: { headers: { Authorization: authHeader } },
+    });
+
+    const body = await req.json();
+    const {
+      userId,
+      title,
+      body: messageBody,
+      type,
+      orderId,
+      voucherId,
+      priority = 'important',
+      persist = true,
+      delaySeconds,
+    } = body;
+
+    if (!userId || !title || !messageBody || !type) {
+      return new Response(
+        JSON.stringify({ error: 'Missing required parameters' }),
+        {
+          status: 400,
+          headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+        }
+      );
+    }
+
+    if (delaySeconds && delaySeconds > 0) {
+      await new Promise((resolve) => setTimeout(resolve, delaySeconds * 1000));
+    }
+
+    // Persist notification if needed (using service role key to insert securely if needed, but here auth is user)
+    // Wait, if an admin/webhook is calling this, they will use service_role. If a user is calling, they use their token.
+    // Let's create a service-role client just for DB updates to ensure it works even if sender is different from recipient
+    const serviceRoleKey = Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!;
+    const adminSupabase = createClient(supabaseUrl, serviceRoleKey);
+
+    let notificationId: string | null = null;
+    let persisted = false;
+
+    if (persist) {
+      const { data: notifData, error: notifError } = await adminSupabase
+        .from('notifications')
+        .insert({
+          user_id: userId,
+          title,
+          body: messageBody,
+          type,
+          priority,
+          order_id: orderId || null,
+          voucher_id: voucherId || null,
+        })
+        .select('id')
+        .single();
+
+      if (!notifError && notifData) {
+        notificationId = notifData.id;
+        persisted = true;
+      }
+    }
+
+    // Get user's profile to find fcm_token and preferences
+    const { data: profile } = await adminSupabase
+      .from('profiles')
+      .select('fcm_token, notification_push_enabled')
+      .eq('id', userId)
+      .single();
+
+    let sent = false;
+
+    if (profile && profile.notification_push_enabled && profile.fcm_token) {
+      const message = {
+        notification: {
+          title: title,
+          body: messageBody,
+        },
+        data: {
+          orderId: orderId || '',
+          voucherId: voucherId || '',
+          type: type || '',
+        },
+        apns: {
+          payload: {
+            aps: {
+              badge: 1,
+              sound: 'default',
+            },
+          },
+        },
+        android: {
+          notification: {
+            sound: 'default',
+            notificationCount: 1,
+          },
+        },
+        token: profile.fcm_token,
+      };
+
+      try {
+        await messaging.send(message);
+        sent = true;
+      } catch (err: any) {
+        if (
+          err.code === 'messaging/registration-token-not-registered' ||
+          err.code === 'messaging/invalid-registration-token'
+        ) {
+          // Token is stale — remove it from the DB
+          await adminSupabase
+            .from('profiles')
+            .update({ fcm_token: null })
+            .eq('id', userId);
+        }
+        console.error('FCM send error:', err);
+      }
+    }
+
+    return new Response(
+      JSON.stringify({ ok: true, sent, persisted, notificationId }),
+      {
+        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+      }
+    );
+  } catch (err: any) {
+    return new Response(JSON.stringify({ error: err.message }), {
+      status: 500,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+});