new: [CLI] user listing / password reset added

src/Command/UserCommand.php

@@ -0,0 +1,96 @@
+<?php
+namespace App\Command;
+
+use Cake\Console\Arguments;
+use Cake\Console\Command;
+use Cake\Console\ConsoleIo;
+use Cake\Utility\Security;
+
+class UserCommand extends Command
+{
+    protected $modelClass = 'Users';
+
+    public function execute(Arguments $args, ConsoleIo $io)
+    {
+        $exit = false;
+        while (!$exit) {
+            $menu = [
+                ['', 'Cerebrate users'],
+                ['1', 'List users'],
+                ['2', 'Reset password for a user'],
+                ['0', 'Exit']
+            ];
+            $io->helper('Table')->output($menu);
+            $choice = $io->ask('What would you like to do?');
+            switch ($choice) {
+                case '1':
+                    $io->helper('Table')->output($this->listUsers());
+                    break;
+                case '2':
+                    $user = $io->ask('Which user do you want to reset?');
+                    $user = $this->selectUser($user);
+                    if (empty($user)) {
+                        $io->out('Invalid user.');
+                    } else {
+                        $automatic = $io->ask(sprintf('Would you like to generate a password automatically for user "%s"? (y/n)', $user['username']));
+                        if ($automatic === 'y') {
+                            $password = $this->generatePassword();
+                        } elseif ($automatic === 'n') {
+                            $password = $io->ask('Please enter the desired password:');
+                        }
+                        if (!empty($password)) {
+                            if ($this->setPassword($user, $password)) {
+                                $io->out(sprintf('Password reset for user "%s". The new password is: "%s"', $user['username'], $password));
+                            } else {
+                                $io->out('Could not save the provided password. Are you sure it meets the requirements?');
+                            }
+                        } else {
+                            $io->out('Password empty, change aborted.');
+                        }
+                    }
+                    break;
+                case '0':
+                    $exit = true;
+                    break;
+                default:
+                    $io->out('Invalid selection');
+                    break;
+            }
+        }
+        $io->out('Goodbye!');
+    }
+
+    private function generatePassword()
+    {
+        return Security::randomString(16);
+    }
+
+    private function listUsers()
+    {
+        $users = $this->Users->find()->contain(['Individuals'])->all();
+        $list = [['ID', 'Username', 'Email']];
+        foreach ($users as $user) {
+            $list[] = [
+                (string)$user['id'], $user['username'], $user['individual']['email']
+            ];
+        }
+        return $list;
+    }
+
+    private function selectUser($user)
+    {
+        if (is_numeric($user)) {
+            $condition = ['id' => $user];
+        } else {
+            $condition = ['username' => $user];
+        }
+        $user = $this->Users->find()->where($condition)->first();
+        return $user;
+    }
+
+    private function setPassword($user, $password)
+    {
+        $user->password = $password;
+        return $this->Users->save($user);
+    }
+}