Move "User::deny()" to own method and update usages

src/Console/User.php

@@ -59,6 +59,7 @@ Usage
 	bin/console user password <nickname> [<password>] [-h|--help|-?] [-v]
 	bin/console user add [<name> [<nickname> [<email> [<language>]]]] [-h|--help|-?] [-v]
 	bin/console user allow [<nickname>] [-h|--help|-?] [-v]
+	bin/console user deny [<nickname>] [-h|--help|-?] [-v]
 
 Description
 	Modify user settings per console commands.
@@ -104,7 +105,9 @@ HELP;
 			case 'add':
 				return $this->addUser();
 			case 'allow':
-				return $this->allowUser();
+				return $this->pendingUser(true);
+			case 'deny':
+				return $this->pendingUser(false);
 			default:
 				throw new \Asika\SimpleConsole\CommandArgsException('Wrong command.');
 		}
@@ -200,12 +203,14 @@ HELP;
 	}
 
 	/**
-	 * Allows a user based on it's nickname
+	 * Allows or denys a user based on it's nickname
+	 *
+	 * @param bool $allow True, if the pending user is allowed, false if denies
 	 *
 	 * @return bool True, if allow was successful
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public function allowUser()
+	public function pendingUser(bool $allow = true)
 	{
 		$nick = $this->getArgument(1);
 
@@ -227,6 +232,6 @@ HELP;
 			throw new RuntimeException($this->l10n->t('User is not pending.'));
 		}
 
-		return UserModel::allow($pending['hash']);
+		return ($allow) ? UserModel::allow($pending['hash']) : UserModel::deny($pending['hash']);
 	}
 }

src/Model/User.php

@@ -941,6 +941,34 @@ class User
 		);
 	}
 
+	/**
+	 * Denys a pending registration
+	 *
+	 * @param string $hash The hash of the pending user
+	 *
+	 * This does not have to go through user_remove() and save the nickname
+	 * permanently against re-registration, as the person was not yet
+	 * allowed to have friends on this system
+	 *
+	 * @return bool True, if the deny was successfull
+	 * @throws Exception
+	 */
+	public static function deny(string $hash)
+	{
+		$register = Register::getByHash($hash);
+		if (!DBA::isResult($register)) {
+			return false;
+		}
+
+		$user = User::getById($register['uid']);
+		if (!DBA::isResult($user)) {
+			return false;
+		}
+
+		return DBA::delete('user', ['uid' => $register['uid']]) &&
+		       Register::deleteByHash($register['hash']);
+	}
+
 	/**
 	 * Creates a new user based on a minimal set and sends an email to this user
 	 *

src/Module/Admin/Users.php

@@ -81,14 +81,18 @@ class Users extends BaseAdmin
 		if (!empty($_POST['page_users_approve'])) {
 			require_once 'mod/regmod.php';
 			foreach ($pending as $hash) {
-				User::allow($hash);
+				if (User::allow($hash)) {
+					info(DI::l10n()->t('Account approved.'));
+				}
 			}
 		}
 
 		if (!empty($_POST['page_users_deny'])) {
 			require_once 'mod/regmod.php';
 			foreach ($pending as $hash) {
-				user_deny($hash);
+				if (User::deny($hash)) {
+					notice(DI::l10n()->t('Registration revoked'));
+				}
 			}
 		}