change database, add queries

api/queries/users.sql

@@ -1,9 +1,24 @@
 -- users.sql
+-- name: CreateUser :one
+INSERT INTO users (id, user_name, user_mail, password) VALUES ($1, $2, $3, $4) RETURNING id;
+
+-- name: UpdateUser :exec
+UPDATE users SET user_name = $2, user_mail = $3, password = $4 WHERE id = $1;
+
 -- name: GetUsernameByID :one
 SELECT user_name FROM users WHERE id = $1;
 
 -- name: CheckUserExistsByEmail :one
 SELECT id FROM users WHERE user_mail = $1;
 
--- name: CreateUser :one
-INSERT INTO users (id, user_name, user_mail, password) VALUES ($1, $2, $3, $4) RETURNING id;
+-- name: GetUserByID :one
+SELECT id, user_name, user_mail, created_at FROM users WHERE id = $1;
+
+-- name: LoginUser :one
+SELECT id, user_name, user_mail FROM users WHERE user_mail = $1 AND password = $2;
+
+-- name: UpdateUserSession :exec
+UPDATE users SET session_token = $2, session_expiry = $3 WHERE id = $1;
+
+-- name: logoutUser :exec
+-- This is a placeholder for logout functionality, which typically involves token invalidation or session management rather