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.bolt/supabase_discarded_migrations/0009_mellow_frog.sql

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+/*
+  # User Management Functions
+  
+  1. New Functions
+    - User creation with password validation
+    - User authentication
+*/
+
+-- Create user management function
+CREATE OR REPLACE FUNCTION create_user(
+  p_first_name text,
+  p_last_name text,
+  p_department text,
+  p_password text
+)
+RETURNS users
+LANGUAGE plpgsql
+SECURITY DEFINER
+AS $$
+DECLARE
+  v_user users;
+BEGIN
+  -- Validate password length
+  IF length(p_password) < 4 THEN
+    RAISE EXCEPTION 'Password must be at least 4 characters long';
+  END IF;
+
+  -- Create user
+  INSERT INTO users (
+    first_name,
+    last_name,
+    department,
+    password_hash
+  ) VALUES (
+    p_first_name,
+    p_last_name,
+    p_department,
+    hash_password(p_password)
+  )
+  RETURNING * INTO v_user;
+
+  RETURN v_user;
+END;
+$$;
+
+-- Create authentication function
+CREATE OR REPLACE FUNCTION authenticate_user(
+  p_last_name text,
+  p_password text
+)
+RETURNS TABLE (
+  id uuid,
+  first_name text,
+  last_name text,
+  department text,
+  created_at timestamptz
+)
+LANGUAGE plpgsql
+SECURITY DEFINER
+AS $$
+BEGIN
+  RETURN QUERY
+  SELECT 
+    u.id,
+    u.first_name,
+    u.last_name,
+    u.department,
+    u.created_at
+  FROM users u
+  WHERE u.last_name = p_last_name
+  AND verify_password(u.password_hash, p_password);
+END;
+$$;