93 lines
2.0 KiB
PHP
93 lines
2.0 KiB
PHP
<?php
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class BlogMigrationTask extends MigrationTask
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{
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/**
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* Should this task be invoked automatically via dev/build?
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*
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* @config
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*
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* @var bool
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*/
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private static $run_during_dev_build = true;
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/**
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* {@inheritdoc}
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*/
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public function up()
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{
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$classes = ClassInfo::implementorsOf('MigratableObject');
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$this->message('Migrating legacy blog records');
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foreach ($classes as $class) {
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$this->upClass($class);
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}
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}
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/**
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* @param string $text
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*/
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protected function message($text)
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{
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if (Controller::curr() instanceof DatabaseAdmin) {
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DB::alteration_message($text, 'obsolete');
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} else {
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echo $text . "<br/>";
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}
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}
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/**
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* Migrate records of a single class
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*
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* @param string $class
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* @param null|string $stage
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*/
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protected function upClass($class)
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{
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if (!class_exists($class)) {
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return;
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}
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if (is_subclass_of($class, 'SiteTree')) {
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$items = SiteTree::get()->filter('ClassName', $class);
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} else {
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$items = $class::get();
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}
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if ($count = $items->count()) {
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$this->message(
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sprintf(
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'Migrating %s legacy %s records.',
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$count,
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$class
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)
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);
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foreach ($items as $item) {
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$cancel = $item->extend('onBeforeUp');
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if ($cancel && min($cancel) === false) {
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continue;
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}
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/**
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* @var MigratableObject $item
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*/
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$result = $item->up();
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$this->message($result);
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$item->extend('onAfterUp');
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function down()
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{
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$this->message('BlogMigrationTask::down() not implemented');
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}
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}
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