chg: [command:updater] Draft of manual updater script

src/Command/UpdaterCommand.php

@@ -0,0 +1,62 @@
+<?php
+namespace App\Command;
+
+use Cake\Console\Arguments;
+use Cake\Console\Command;
+use Cake\Console\ConsoleIo;
+use Cake\Console\ConsoleOptionParser;
+use Cake\Utility\Security;
+
+class UpdaterCommand extends Command
+{
+    protected $modelClass = 'Users';
+    protected $availableUpdates = [
+        'meta-templates-v2' => 'metaTemplateV2',
+    ];
+
+    protected function buildOptionParser(ConsoleOptionParser $parser): ConsoleOptionParser
+    {
+        $parser->setDescription('Execute updates.');
+        $parser->addArgument('updateName', [
+            'help' => 'The name of the update to execute',
+            'required' => false,
+            'choices' => array_keys($this->availableUpdates)
+        ]);
+        return $parser;
+    }
+
+    public function execute(Arguments $args, ConsoleIo $io)
+    {
+        $this->io = $io;
+        $targetUpdateName = $args->getArgument('updateName');
+
+        if (!in_array($targetUpdateName, array_keys($this->availableUpdates))) {
+            $io->out('Available updates:');
+            $io->helper('Table')->output($this->listAvailableUpdates());
+            die(1);
+        }
+
+        $selection = $io->askChoice("Do you wish to apply update `{$targetUpdateName}`?", ['Y', 'N'], 'N');
+        if ($selection == 'Y') {
+            $updateFunction = $this->availableUpdates[$targetUpdateName];
+            $updateResult = $this->{$updateFunction}();
+            $io->out('Update ' . ($updateResult ? 'successful' : 'fail'));
+        } else {
+            $io->out('Update canceled');
+        }
+    }
+
+    private function listAvailableUpdates()
+    {
+        $list = [['Update name']];
+        foreach ($this->availableUpdates as $updateName => $f) {
+            $list[] = [$updateName];
+        }
+        return $list;
+    }
+
+    private function metaTemplateV2()
+    {
+        return true;
+    }
+}