Merge pull request #39 from osusach/fix/generate-username-db-function-random

fix/generate-username-db-function-random

Author: ignaciodiazb

supabase/migrations/20250217023110_update_generate_username_function.sql

@@ -0,0 +1,25 @@
+CREATE OR REPLACE FUNCTION public.generate_username()
+ RETURNS text
+ LANGUAGE plpgsql
+ SET search_path TO ''
+AS $function$
+DECLARE
+    generated_username text;
+    retry_count int := 0;
+BEGIN
+    LOOP
+        generated_username := 'user' || substring(gen_random_uuid()::text FROM 1 FOR 8);
+
+        -- Check if username already exists
+        IF NOT EXISTS (SELECT 1 FROM public.profiles WHERE username = generated_username) THEN
+            RETURN generated_username;
+        END IF;
+
+        retry_count := retry_count + 1;
+        IF retry_count >= 5 THEN
+            RAISE EXCEPTION 'Failed to generate a unique username after 5 attempts';
+        END IF;
+    END LOOP;
+END;
+$function$
+;