Added Task number

supabase/migrations/20260221131000_insert_task_rpc.sql

@@ -0,0 +1,55 @@
+-- Atomic insert that generates a unique task_number and inserts a task in one transaction
+-- Returns: id (uuid), task_number (text)
+
+CREATE OR REPLACE FUNCTION insert_task_with_number(
+  p_title text,
+  p_description text,
+  p_office_id text,
+  p_ticket_id text,
+  p_request_type text,
+  p_request_type_other text,
+  p_request_category text,
+  p_creator_id uuid
+)
+RETURNS TABLE(id uuid, task_number text)
+LANGUAGE plpgsql
+SECURITY DEFINER
+AS $$
+DECLARE
+  -- The numbering trigger on `tasks` will set `task_number` before insert.
+  -- This RPC inserts the task row and returns the resulting id and task_number.
+BEGIN
+  -- atomically increment (or create) the month counter and use it as the task_number
+  INSERT INTO task_number_counters(year_month, counter)
+    VALUES (to_char(now(), 'YYYY-MM-'), 1)
+    ON CONFLICT (year_month) DO UPDATE
+      SET counter = task_number_counters.counter + 1
+    RETURNING counter INTO seq;
+
+  -- build the formatted task number
+  PERFORM seq; -- ensure seq is set
+  new_task_number := to_char(now(), 'YYYY-MM-') || lpad(seq::text, 5, '0');
+
+  INSERT INTO tasks(
+    title, description, office_id, ticket_id,
+    request_type, request_type_other, request_category,
+    creator_id, created_at, task_number
+  ) VALUES (
+    p_title,
+    p_description,
+    CASE WHEN p_office_id IS NULL OR p_office_id = '' THEN NULL ELSE p_office_id::uuid END,
+    CASE WHEN p_ticket_id IS NULL OR p_ticket_id = '' THEN NULL ELSE p_ticket_id::uuid END,
+    CASE WHEN p_request_type IS NULL OR p_request_type = '' THEN NULL ELSE p_request_type::request_type END,
+    p_request_type_other,
+    CASE WHEN p_request_category IS NULL OR p_request_category = '' THEN NULL ELSE p_request_category::request_category END,
+    p_creator_id,
+    now(),
+    new_task_number
+  ) RETURNING tasks.id, tasks.task_number INTO id, task_number;
+
+  RETURN NEXT;
+END;
+$$;
+
+-- Grant execute to authenticated so client RPC can call it
+GRANT EXECUTE ON FUNCTION insert_task_with_number(text,text,text,text,text,text,text,uuid) TO authenticated;