Add profile backgroundImage api

src/users.js

@@ -48,6 +48,9 @@ exports = module.exports = {
     setAvatar,
     getAvatar,
 
+    getBackgroundImage,
+    setBackgroundImage,
+
     AP_MAIL: 'mail',
     AP_WEBADMIN: 'webadmin',
 
@@ -61,7 +64,7 @@ exports = module.exports = {
 
 const ORDERED_ROLES = [ exports.ROLE_USER, exports.ROLE_USER_MANAGER, exports.ROLE_MAIL_MANAGER, exports.ROLE_ADMIN, exports.ROLE_OWNER ];
 
-// the avatar field is special and not added here to reduce response sizes
+// the avatar and backgroundImage fields are special and not added here to reduce response sizes
 const USERS_FIELDS = [ 'id', 'username', 'email', 'fallbackEmail', 'password', 'salt', 'creationTime', 'inviteToken', 'resetToken', 'displayName',
     'twoFactorAuthenticationEnabled', 'twoFactorAuthenticationSecret', 'active', 'source', 'role', 'resetTokenCreationTime', 'loginLocationsJson' ].join(',');
 
@@ -903,3 +906,19 @@ async function setAvatar(id, avatar) {
     const result = await database.query('UPDATE users SET avatar=? WHERE id = ?', [ avatar, id ]);
     if (result.length === 0) throw new BoxError(BoxError.NOT_FOUND, 'User not found');
 }
+
+async function getBackgroundImage(id) {
+    assert.strictEqual(typeof id, 'string');
+
+    const result = await database.query('SELECT backgroundImage FROM users WHERE id = ?', [ id ]);
+    if (result.length === 0) throw new BoxError(BoxError.NOT_FOUND, 'User not found');
+    return result[0].backgroundImage;
+}
+
+async function setBackgroundImage(id, backgroundImage) {
+    assert.strictEqual(typeof id, 'string');
+    assert(Buffer.isBuffer(backgroundImage));
+
+    const result = await database.query('UPDATE users SET backgroundImage=? WHERE id = ?', [ backgroundImage, id ]);
+    if (result.length === 0) throw new BoxError(BoxError.NOT_FOUND, 'User not found');
+}