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CADAM-master/supabase/schemas/triggers.sql

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+CREATE OR REPLACE FUNCTION "public"."update_conversation_leaf"() RETURNS "trigger"
+    LANGUAGE "plpgsql"
+    AS $$
+begin
+  update conversations set 
+    current_message_leaf_id = new.id,
+    updated_at = now()
+  where id = new.conversation_id;
+  return new;
+end;
+$$;
+
+CREATE OR REPLACE TRIGGER "update_leaf_trigger" AFTER INSERT ON "public"."messages" FOR EACH ROW EXECUTE FUNCTION "public"."update_conversation_leaf"();
+
+-- Previews updated_at trigger
+-- Function to update the updated_at column
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = now();
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+-- Trigger to automatically update updated_at for previews
+CREATE OR REPLACE TRIGGER update_previews_updated_at 
+    BEFORE UPDATE ON "public"."previews" 
+    FOR EACH ROW 
+    EXECUTE FUNCTION update_updated_at_column();
+
+-- Profile creation trigger for new users
+-- Create function to handle new user sign ups
+CREATE OR REPLACE FUNCTION public.handle_new_user()
+RETURNS TRIGGER
+LANGUAGE plpgsql
+SECURITY DEFINER SET search_path = ''
+AS $$
+BEGIN
+  INSERT INTO public.profiles (user_id, full_name)
+  VALUES (
+    NEW.id,
+    COALESCE(
+      NEW.raw_user_meta_data->>'full_name',
+      split_part(NEW.email, '@', 1)
+    )
+  );
+  RETURN NEW;
+END;
+$$;
+
+-- Create trigger to automatically create profile on user creation
+CREATE OR REPLACE TRIGGER on_auth_user_created
+  AFTER INSERT ON auth.users
+  FOR EACH ROW EXECUTE PROCEDURE public.handle_new_user();