feat: Implement Novu topics for moderator notifications

supabase/functions/manage-moderator-topic/index.ts

@@ -0,0 +1,99 @@
+import { serve } from "https://deno.land/std@0.168.0/http/server.ts";
+import { createClient } from "https://esm.sh/@supabase/supabase-js@2.57.4";
+import { Novu } from "npm:@novu/api@1.6.0";
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
+};
+
+const TOPICS = {
+  MODERATION_SUBMISSIONS: 'moderation-submissions',
+  MODERATION_REPORTS: 'moderation-reports',
+} as const;
+
+serve(async (req) => {
+  if (req.method === 'OPTIONS') {
+    return new Response(null, { headers: corsHeaders });
+  }
+
+  try {
+    const novuApiKey = Deno.env.get('NOVU_API_KEY');
+    if (!novuApiKey) {
+      throw new Error('NOVU_API_KEY is not configured');
+    }
+
+    const novu = new Novu({ secretKey: novuApiKey });
+
+    const { userId, action } = await req.json();
+
+    if (!userId || !action) {
+      throw new Error('Missing required fields: userId, action');
+    }
+
+    if (action !== 'add' && action !== 'remove') {
+      throw new Error('Action must be either "add" or "remove"');
+    }
+
+    console.log(`${action === 'add' ? 'Adding' : 'Removing'} user ${userId} ${action === 'add' ? 'to' : 'from'} moderator topics`);
+
+    const topics = [TOPICS.MODERATION_SUBMISSIONS, TOPICS.MODERATION_REPORTS];
+    const results = [];
+
+    for (const topicKey of topics) {
+      try {
+        if (action === 'add') {
+          // Add subscriber to topic
+          await novu.topics.addSubscribers(topicKey, {
+            subscribers: [userId],
+          });
+          console.log(`Added ${userId} to topic ${topicKey}`);
+          results.push({ topic: topicKey, action: 'added', success: true });
+        } else {
+          // Remove subscriber from topic
+          await novu.topics.removeSubscribers(topicKey, {
+            subscribers: [userId],
+          });
+          console.log(`Removed ${userId} from topic ${topicKey}`);
+          results.push({ topic: topicKey, action: 'removed', success: true });
+        }
+      } catch (error: any) {
+        console.error(`Error ${action}ing user ${userId} ${action === 'add' ? 'to' : 'from'} topic ${topicKey}:`, error);
+        results.push({ 
+          topic: topicKey, 
+          action: action === 'add' ? 'added' : 'removed', 
+          success: false, 
+          error: error.message 
+        });
+      }
+    }
+
+    const allSuccess = results.every(r => r.success);
+
+    return new Response(
+      JSON.stringify({
+        success: allSuccess,
+        userId,
+        action,
+        results,
+      }),
+      {
+        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+        status: allSuccess ? 200 : 207, // 207 = Multi-Status (partial success)
+      }
+    );
+  } catch (error: any) {
+    console.error('Error managing moderator topic:', error);
+    
+    return new Response(
+      JSON.stringify({
+        success: false,
+        error: error.message,
+      }),
+      {
+        headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+        status: 500,
+      }
+    );
+  }
+});