SearchController on Laravel Apps

SearchController.php

<?php 

namespace Muratsplat\mvc\controller\front;

use Illuminate\Http\Request;
use Illuminate\Database\Eloquent\Collection;
use Muratsplat\Multilang\Interfaces\LangInterface;
use Muratsplat\Multilang\Interfaces\MainInterface;
use Muratsplat\mvc\model\Page\Page;
use Muratsplat\mvc\model\Page\PageLang;
use Muratsplat\mvc\model\Page\PageCategoryLang;
use Muratsplat\mvc\model\Reference\ReferenceLang;
use Muratsplat\mvc\model\News\News;
use Muratsplat\mvc\model\News\NewsLang;
use Muratsplat\mvc\controller\front\HomeBaseController;

/**
 * Search item in resources
 * 
 * @access public
 * @author Murat Ödünç <murat.asya@gmail.com>
 */
class SearchController extends HomeBaseController 
{   
 
    /**
     * @var \Illuminate\Http\Request; 
     */
    private $request;
    
    /**
     * @var \Muratsplat\mvc\model\News\News
     */
    private $news;
    
     /**
     * @var \Muratsplat\mvc\model\News\NewsLang 
     */
    private $newsLang;
    
    /**
     * @var \Muratsplat\mvc\model\Page\Page 
     */
    private $page;
    
     /**
     * @var \Muratsplat\mvc\model\Page\PageLang
     */
    private $pageLang;
    
    /**
     * @var \Illuminate\Database\Eloquent\Collection
     */
    private $rawCollection;
    
    /**
     * @var \Illuminate\Database\Eloquent\Collection
     */
    private $wrapperCollection;

    /**
     * @var \Muratsplat\mvc\model\Page\PageCategoryLang
     */
    private $pageCategoryLang;
    
    /**
     * @var \Muratsplat\mvc\model\Reference\ReferenceLang
     */
    private $referenceLang;
    
    /**
     * Validation rules
     *
     * @var type 
     */
    private $rules = array(
        
        'words'     => 'min:3|max:20|required',
    );
    
    /**
     * The list of viewer controller methods for model resurces
     *
     * @var array
     */
    private $controllerList = array(
        'Muratsplat\mvc\model\Page\Page'            => 'Muratsplat\mvc\controller\front\PageController@show',
        'Muratsplat\mvc\model\Page\PageCategory'    => 'Muratsplat\mvc\controller\front\PageCategoryController@show',
        'Muratsplat\mvc\model\News\News'            => 'Muratsplat\mvc\controller\front\NewsController@show',
        'Muratsplat\mvc\model\Reference\Reference'  => 'Muratsplat\mvc\controller\front\ReferenceController@show'
    );
        
        /**
         * Constructer
         * 
         * @param \Illuminate\Http\Request $request  
         * @param \Muratsplat\mvc\model\Page\Page               $page
         * @param \Muratsplat\mvc\model\Page\PageLang           $pageLang
         * @param \Muratsplat\mvc\model\Page\PageCategoryLang   $pageCategoryLang
         * @param \Muratsplat\mvc\model\News\News               $news
         * @param \Muratsplat\mvc\model\News\NewsLang           $newsLang
         * @param \Muratsplat\mvc\model\Reference\ReferenceLang $referenceLang
         */
        public function __construct(
                Request             $request, 
                Page                $page,
                PageLang            $pageLang,
                PageCategoryLang    $pageCategoryLang,
                News                $news,
                NewsLang            $newsLang,
                ReferenceLang       $referenceLang
            ) {
            
            parent::__construct();
                     
            $this->request          = $request;
            
            $this->page             = $page;
            
            $this->pageLang         = $pageLang;
            
            $this->pageCategoryLang = $pageCategoryLang;
            
            $this->news             = $news;
            
            $this->newsLang         = $newsLang;
            
            $this->referenceLang    = $referenceLang;
            
            $this->rawCollection    = new Collection();
            
            $this->wrapperCollection= new Collection();            
        }        
        
        /**
         * To make response to search request
         * 
         * @return Response
         */
        public function getSearch() {
            
            $validation = $this->makeValidateToRequest();
            
            $words = $this->getWordsInParameter();
            
            if($validation->fails()) {
                
                $fail = true;
                
                return  \View::make('Muratsplat\mvc\view\front::search')
                        ->with(compact('fail', 'words', 'validation'));
            } 
            $fail       = false;
            
            $this->searchWordsInDB($words);
    
            $results    = $this->getOnlyEnabledItemsInResults();
            
            $urlCreater =  $this->getUrlCreaterForViewModelResources();
            
            $controllers= $this->controllerList;
                             
            return  \View::make('Muratsplat\mvc\view\front::search')
                    ->with(compact('results', 'words','fail', 'urlCreater', 'controllers'));
        }
        
        /**
         * To get 'words' value in the request
         * 
         * @return  string
         */
        private function getWordsInParameter() {
            
            return $this->request->get('words');
        }
        
       
        /**
         * To call all searching methods by using given words
         * 
         * @param string $words
         */
        protected function searchWordsInDB($words='') {
            
            $lists      = explode(' ', $words);
                 
            $methods    = $this->getSearchingMethods();

            foreach ($methods as $method) {         
                
               $this->callMethodWithParams($method, $lists);              
            }    
        }
        
        /**
         * To call given methods with parameters
         * 
         * @param string $method
         * @param array $words
         * @return \Illuminate\Database\Eloquent\Collection
         */
        protected function callMethodWithParams($method, array $words = array()) {
            
            return call_user_func_array([$this, $method], [$words]);              
        }
        
        /**
         * To get all searching methods in this object
         * 
         * @return array
         */
        protected function getSearchingMethods() {
            
            $searchMethods = get_class_methods($this);
            
            return array_filter($searchMethods, function($item){
                
                if(strpos($item, 'searchIn') ===0) {
                    
                    return true;
                }                
            });           
        }

        /**
         * To search words in page translation
         * 
         * @param array $words
         * @return Illuminate\Database\Eloquent\Collection
         */
        protected function searchInPageLang(array $words=array()) {        
      
           foreach ($words as $word) {
               
                $resultTitle    = $this->pageLang->query()->where('title', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultTitle);
                
                $resultContent  = $this->pageLang->query()->where('content', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultContent);
           }                  
        } 
        
        /**
         * To search words in page category translation
         * 
         * @param array $words
         * @return Illuminate\Database\Eloquent\Collection
         */
        protected function searchInPageCategoryLang(array $words=array()) 
        {     
           foreach ($words as $word) {
               
                $resultTitle    = $this->pageCategoryLang->query()->where('name', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultTitle);                 
           }                  
        }
        
        /**
         * To search words in page category translation
         * 
         * @param array $words
         * @return Illuminate\Database\Eloquent\Collection
         */
        protected function searchInReferenceLang(array $words=array()) 
        {     
           foreach ($words as $word) {
               
                $resultTitle    = $this->referenceLang->query()->where('title', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultTitle);
                
                $resultContent  = $this->referenceLang->query()->where('content', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultContent);           
           }                  
        }
        
        /**
         * To search words in news translation
         * 
         * @param array $words
         * @return Illuminate\Database\Eloquent\Collection
         */
        protected function searchInNewsLang(array $words=array()) 
        {     
           foreach ($words as $word) {
               
                $resultTitle    = $this->newsLang->query()->where('title', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultTitle);
                
                $resultContent  = $this->newsLang->query()->where('content', 'LIKE', '%'. $word .'%')->get();
                $this->addToCollectionToRawColletion($resultContent);
           }             
        }
        
        /**
         * To get resaults which is converted multilang wrappers
         * 
         * @return Illuminate\Database\Eloquent\Collection
         */
        protected function getResultCollection() 
        {            
            $this->rawCollection->each(function($item) {
                
                if ($item instanceof MainInterface) {
                    
                    $wrapper = $this->multilang->makeWrapper($item);
                    
                    $this->addToWrapperToWrapperCollection($wrapper);
                    
                    return;
                }
                               
                $wrapper = $this->multilang->makeWrapper($item->mainModel, $item->__lang_id__);
                
                $this->addToWrapperToWrapperCollection($wrapper);
            });            
            
            return $this->wrapperCollection;
        }
        
        /**
         * To make validate client's request
         * 
         * @return \Illuminate\Validation\Validator 
         */
        private function makeValidateToRequest() {
            
            return \Validator::make($this->request->all(), $this->rules);
        }
       
        /**
         * To determine given wrapper in wrapper collection
         * 
         * @param Object $wrapper
         * @return bool
         */
        private function wrapperIsExists($wrapper) {
            
            $results = $this->wrapperCollection->filter(function($item) use($wrapper){
                
                if ((integer) $item->id === (integer) $wrapper->id) {
                    
                    return true;
                }
                
            });            
            
            return !$results->isEmpty();
        }
        
        /**
         * To add wrapper if it is not exists
         * 
         * @param object $wrapper
         * @return void
         */
        private function addToWrapperToWrapperCollection($wrapper) {
            
            if ($this->wrapperIsExists($wrapper)) { return;}
            
            $this->wrapperCollection->push($wrapper);   
        }       
        
        /**
         * Simple url creater
         * 
         * @return callback
         */       
        private function getUrlCreaterForViewModelResources() {            
            
            return function($model, $controllerList) {
                
                $className = get_class($model->getMainModel());
                
                if(!array_key_exists($className,  $controllerList)) {
                    
                    return '#';                 
                }
                
                if ($className ==='Muratsplat\mvc\model\Product\Product') {
                        
                        return action($controllerList[$className], $model->code);
                }
                
                if ($className ==='Muratsplat\mvc\model\Page\PageCategory') {
                        
                        return action($controllerList[$className], $model->id);
                }
                
                return action($controllerList[$className], $model->slug);               
            };
            
        }   
        
        /**
         * To add items of given collection to rawCollection
         * 
         * @param \Illuminate\Database\Eloquent\Collection $collection
         */
        private function addToCollectionToRawColletion(Collection $collection)
        {
            if ($collection->isEmpty() ) { return; }
            
            foreach ($collection as $one) {
                
                $this->rawCollection->push($one);
            }           
        } 
        
        /**
         * To get only enabled items in result collection
         * 
         * @return \Illuminate\Database\Eloquent\Collection
         */
        protected function getOnlyEnabledItemsInResults()
        {
            return $this->getResultCollection()->filter(function($item){
                
                return (integer) $item->enable === 1;
            });
        }
}