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.bolt/supabase_discarded_migrations/0007_lively_wind.sql

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+/*
+  # Add create_user function
+
+  1. Changes
+    - Add function to create new users in employees table
+    - Function handles first name, last name, department and password
+    - Returns the created employee record
+
+  2. Details
+    - Creates a stored procedure for consistent user creation
+    - Validates input parameters
+    - Returns the full employee record after creation
+
+  3. Security
+    - Function is SECURITY DEFINER to ensure proper access control
+    - Input validation to prevent invalid data
+*/
+
+-- Create function to handle user creation
+CREATE OR REPLACE FUNCTION create_user(
+  p_first_name text,
+  p_last_name text,
+  p_department text,
+  p_password text
+)
+RETURNS employees
+LANGUAGE plpgsql
+SECURITY DEFINER
+AS $$
+DECLARE
+  v_employee employees;
+BEGIN
+  -- Validate inputs
+  IF p_first_name IS NULL OR p_first_name = '' THEN
+    RAISE EXCEPTION 'First name cannot be empty';
+  END IF;
+  
+  IF p_last_name IS NULL OR p_last_name = '' THEN
+    RAISE EXCEPTION 'Last name cannot be empty';
+  END IF;
+  
+  IF p_department IS NULL OR p_department = '' THEN
+    RAISE EXCEPTION 'Department cannot be empty';
+  END IF;
+  
+  IF p_password IS NULL OR p_password = '' THEN
+    RAISE EXCEPTION 'Password cannot be empty';
+  END IF;
+
+  -- Insert new employee
+  INSERT INTO employees (
+    first_name,
+    last_name,
+    department,
+    email -- Generate email from name
+  ) VALUES (
+    p_first_name,
+    p_last_name,
+    p_department,
+    lower(p_last_name || '@example.com')
+  )
+  RETURNING * INTO v_employee;
+
+  RETURN v_employee;
+END;
+$$;