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vendor/yiisoft/yii2-gii/src/controllers/DefaultController.php

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+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\gii\controllers;
+
+use Yii;
+use yii\web\Controller;
+use yii\web\NotFoundHttpException;
+use yii\web\Response;
+
+/**
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @since 2.0
+ */
+class DefaultController extends Controller
+{
+    public $layout = 'generator';
+    /**
+     * @var \yii\gii\Module
+     */
+    public $module;
+    /**
+     * @var \yii\gii\Generator
+     */
+    public $generator;
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function beforeAction($action)
+    {
+        Yii::$app->response->format = Response::FORMAT_HTML;
+        return parent::beforeAction($action);
+    }
+
+
+    public function actionIndex()
+    {
+        $this->layout = 'main';
+
+        return $this->render('index');
+    }
+
+    public function actionView($id)
+    {
+        $generator = $this->loadGenerator($id);
+        $params = ['generator' => $generator, 'id' => $id];
+
+        $preview = Yii::$app->request->post('preview');
+        $generate = Yii::$app->request->post('generate');
+        $answers = Yii::$app->request->post('answers');
+
+        if ($preview !== null || $generate !== null) {
+            if ($generator->validate()) {
+                $generator->saveStickyAttributes();
+                $files = $generator->generate();
+                if ($generate !== null && !empty($answers)) {
+                    $params['hasError'] = !$generator->save($files, (array) $answers, $results);
+                    $params['results'] = $results;
+                } else {
+                    $params['files'] = $files;
+                    $params['answers'] = $answers;
+                }
+            }
+        }
+
+        return $this->render('view', $params);
+    }
+
+    public function actionPreview($id, $file)
+    {
+        $generator = $this->loadGenerator($id);
+        if ($generator->validate()) {
+            foreach ($generator->generate() as $f) {
+                if ($f->id === $file) {
+                    $content = $f->preview();
+                    if ($content !== false) {
+                        return  '<div class="content">' . $content . '</div>';
+                    } else {
+                        return '<div class="error">Preview is not available for this file type.</div>';
+                    }
+                }
+            }
+        }
+        throw new NotFoundHttpException("Code file not found: $file");
+    }
+
+    public function actionDiff($id, $file)
+    {
+        $generator = $this->loadGenerator($id);
+        if ($generator->validate()) {
+            foreach ($generator->generate() as $f) {
+                if ($f->id === $file) {
+                    return $this->renderPartial('diff', [
+                        'diff' => $f->diff(),
+                    ]);
+                }
+            }
+        }
+        throw new NotFoundHttpException("Code file not found: $file");
+    }
+
+    /**
+     * Runs an action defined in the generator.
+     * Given an action named "xyz", the method "actionXyz()" in the generator will be called.
+     * If the method does not exist, a 400 HTTP exception will be thrown.
+     * @param string $id the ID of the generator
+     * @param string $name the action name
+     * @return mixed the result of the action.
+     * @throws NotFoundHttpException if the action method does not exist.
+     */
+    public function actionAction($id, $name)
+    {
+        $generator = $this->loadGenerator($id);
+        $method = 'action' . $name;
+        if (method_exists($generator, $method)) {
+            return $generator->$method();
+        } else {
+            throw new NotFoundHttpException("Unknown generator action: $name");
+        }
+    }
+
+    /**
+     * Loads the generator with the specified ID.
+     * @param string $id the ID of the generator to be loaded.
+     * @return \yii\gii\Generator the loaded generator
+     * @throws NotFoundHttpException
+     */
+    protected function loadGenerator($id)
+    {
+        if (isset($this->module->generators[$id])) {
+            $this->generator = $this->module->generators[$id];
+            $this->generator->loadStickyAttributes();
+            $this->generator->load(Yii::$app->request->post());
+
+            return $this->generator;
+        } else {
+            throw new NotFoundHttpException("Code generator not found: $id");
+        }
+    }
+}