A section of a site I am building needs some form of revision system and so decided to keep it simple and go with one similar to Stack Overflow.

Ben hızlı bir şekilde biraz dağınık görünüyor olsa çalışır aşağıdaki yarattı. Ben BeforeSave ve afterSave kullanabilirsiniz biliyorum ama ben bunu uygulamak nasıl hiçbir fikrim yok.

Ben muhtemelen modeli daha hareket olabilir biliyorum ama bunu geliştirmek için başka bir yolu vardır?

Düzenlemeler denetleyicisi:

class RevisionsController extends AppController {
    var $name = "Revisions";
    var $helpers = array('Diff');

    /**
     * View a list of existing revisions.
     * Displays the changes between revisions with the
     * Diff helper.
     */
    function view($seriesId = null) {
        if ((!$seriesId && empty($this->data))) {
            $this->Session->setFlash('That Series does not exist', true, array('class' =>
                'error'));
            $this->redirect('/');
        }

        $revisions = $this->Revision->find('all', array('conditions' => array('Revision.series_id' =>
            $seriesId), 'order' => 'revision desc', 'contain' => false));
        $this->set('revisions', $revisions);
    }

    /**
     * Create a new revision by editing the most recent one.
     * This seems very messy.
     */
    function edit($seriesId = null) {
        if ((!$seriesId && empty($this->data))) {
            $this->Session->setFlash('That Series does not exist', true, array('class' =>
                'error'));
            $this->redirect('/');
        }

        if (empty($this->data)) {
            $latest = $this->Revision->find('first', array('conditions' => array('is_latest' =>
                1, 'series_id' => $seriesId)));
            $this->data['Revision']['description'] = $latest['Revision']['description'];
        } else {
            $this->data['Revision']['revision'] = $this->Revision->getNext($seriesId);
            $this->data['Revision']['series_id'] = $seriesId;
            $this->Revision->create();
            if ($this->Revision->save($this->data)) {
                $this->Revision->setLatest($this->Revision->id, $seriesId);

                $this->Session->setFlash('The edit has been saved.', true, array('class' =>
                    'success'));
                $this->redirect(array('controller' => 'series', 'action' => 'view', $seriesId));
            }
        }

        $this->set('seriesId', $seriesId);
    }


    /**
     * Creates a new revision using data from a previous one.
     * Currently clones the previous revision rather than
     * just linking it. May need to be changed.
     */
    function rollback($seriesId = null, $revision = null) {
        if (!$seriesId || !$revision) {
            $this->redirect('/');
        }

        $this->data = $this->Revision->find('first', array('conditions' => array('Revision.series_id' =>
            $seriesId, 'Revision.revision' => $revision), 'contain' => false));

        $this->data['Revision']['revision'] = $this->Revision->getNext($seriesId);
        $this->data['Revision']['is_rollback'] = 1;
        $this->data['Revision']['rollback_rev'] = $revision;
        unset($this->data['Revision']['id']);
        $this->Revision->create();
        if ($this->Revision->save($this->data)) {
            $this->Revision->setLatest($this->Revision->id, $seriesId);

            $this->Session->setFlash('The rollback has been saved.', true, array('class' =>
                'success'));
            $this->redirect(array('controller' => 'series', 'action' => 'view', $seriesId));
        }
    }

}

Revizyon modeli:

class Revision extends AppModel {

    var $name = 'Revision';

    var $belongsTo = array('Series' => array('counterCache' => true));
    var $actsAs = array('Containable');

    function getCurrent($seriesId = null) {
        if (!$seriesId)
            return false;

        $series = $this->Series->find('first', array('conditions' => array('Series.id' =>
            $seriesId), 'contain' => false));
        return $series['Series']['revision_count'];
    }

    function getNext($seriesId = null) {
        if (!$seriesId)
            return false;

        $revision = $this->getCurrent($seriesId);
        return $revision + 1;
    }

    function setLatest($id, $seriesId = null) {
        $this->updateAll(array('Revision.is_latest' => 0), array('Revision.series_id' =>
            $seriesId));

        $this->id = $id;
        $this->saveField('is_latest', 1);
    }

}