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path: root/app/Http/Controllers/FeedController.php
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<?php                                                                                                                                                                                                                
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Helpers\CryptoHelper;

use Illuminate\Support\Facades\DB;
use App\Http\Controllers\Controller;

use Carbon;
use App\Libraries\Utility;
use App\Libraries\TemplateFunction;

class FeedController extends Controller {
    /**
     * Shows the index page.
     *
     * @return Response
     */
    public function showPage(Request $request) {

	    /*
	     * Sorting
	     */
	    $sort_by = $request->get("filter");
	    switch ($sort_by) {
	    case("price"):
		    $sort_by = "discounted_price";
		    break;
	    case("discounted_price"):
		    $sort_by = "discounted_price";
		    break;
	    case("name"):
		    $sort_by = "name";
		    break;
	    case("shop"):
		    $sort_by = "shop";
		    break;
	    case("procent"):
		    $sort_by = "procent";
		    break;
	    case("time"):
		    $sort_by = "created_at";
		    break;
	    case("created_at"):
		    $sort_by = "created_at";
		    break;
	    default:
		    $sort_by = "created_at";
		    break;
	    }

	    $order_by = $request->input("order");
	    if ( "asc" != $order_by ) {
		    $order_by = "desc";
	    }

	    /*
	     * Database query
	     */
	    $view_name = str_replace("_feed", "", \Request::route()->getName());
	    $view_name = str_replace("angebote_", "", $view_name);

	    if ( "search" == $view_name ) {
		    if ( "" != $request->get("q") ) {
			$query = $request->get("q");
			$q = "%" . Utility::escapeLike($query) . "%";
			$data = DB::table('all_view')->whereNotNull('url')->where('name', 'like', $q)->orWhere('spirit_type', 'like', $q)->orderBy($sort_by, $order_by)->limit(20)->get();
		    } else if ( "" != $request->get('type') ) {
			    $data = DB::table('all_view')->where('spirit_type', '=', $request->get('type'))->whereNotNull('url')->orderBy($sort_by, $order_by)->limit(20)->get();
		    } else if ( "" != $request->get('shop') ) {
			    $data = DB::table('all_view')->where('shop', '=', $request->get('shop'))->whereNotNull('url')->orderBy($sort_by, $order_by)->limit(20)->get();
		    } else {
			    $view_name = 'all'; // empty search will be processed in the next step
		    }
	    }

	    // either empty search or generic feed
	    if ( !isset($data) ) {
		$data = DB::table($view_name . '_view')->where('procent', '>=', 10)->orderBy($sort_by, $order_by)->limit(20)->get();
	    }

	    /*
	     * For strftime().
	     */
	    setlocale(LC_TIME, 'de_DE.utf8');

	    if ( "" != env('MATOMO_RSS_ID') ) {

		    $matomo = new \MatomoTracker( env('MATOMO_RSS_ID'), env('MATOMO_RSS_URL'));
		    $matomo->setTokenAuth( env('MATOMO_RSS_AUTH_TOKEN') );
		    #$matomo->setVisitorId( $matomo->getVisitorId() );
		    $matomo->setIp( $request->header('X_REAL_IP') );
		    $matomo->setUrl( $request->fullUrl() );
		    $matomo->setUrlReferrer( $request->server('HTTP_REFERER') );
		    $matomo->setBrowserLanguage( $request->server('HTTP_ACCEPT_LANGUAGE') );
		    $matomo->setUserAgent( $request->server('HTTP_USER_AGENT') );

		    if ( "" != $request->get('filter') ) {
			    $matomo->doTrackEvent( "sort", $request->get('sort') );
		    }
		    if ( "" != $request->get('order') ) {
			    $matomo->doTrackEvent( "order", $request->get('order') );
		    }
		    if ( "" != $request->get('q') ) {
			    $matomo->doTrackEvent( "search_phrase", $request->get('q') );
			    $matomo->doTrackSiteSearch( $request->get('q') );
		    }
	    }

	    $feed = \App::make("feed");

	    $feed->title = "Sonderangebote";
	    $feed->description = 'Finde immer die günstigsten Angebote im Bereich Spirituosen. Regelmäßig neue Schnäppchen.';
	    $feed->logo = url( env('APP_URL') . 'img/paw-400-400.png');
	    $feed->link = url( $request->fullUrl() );
	    #$feed->setDateFormat('timestamp'); // 'datetime', 'timestamp' or 'carbon'
	    $feed->setDateFormat('datetime'); // 'datetime', 'timestamp' or 'carbon'
	    $feed->pubdate = strftime('%Y-%m-%d', $data[0]->created_at);
	    $feed->lang = 'de';
	    $feed->setShortening(true); // true or false
	    $feed->setTextLimit(5000); // maximum length of description text

	    foreach ( $data as $offer ) {
			
		    # Adds campagin
		    $offer->url = $offer->url . "?pk_campaign=feed&pk_kwd=" . urlencode($offer->name) . "&pk_source=" . $view_name . "_feed";

		    if ( "" != env('MATMOMO_RSS_ID') ) {
			$matomo->doTrackContentImpression($offer->spirit_type, $offer->name, $offer->long_url);
		    } 

		    $desc = '<p><img src="'.TemplateFunction::Camo($offer->image_url).'"></p><p><strong>'.$offer->spirit_type.'</strong><br>'. $offer->name . ' gesenkt auf <strong>' . \TF::fF($offer->discounted_price) . '€</strong> statt ' . \TF::fF($offer->original_price) . '€ ('.$offer->procent.'% Rabatt auf '. $offer->shop .').';

		    $feed->addItem( [
			    'title' => $offer->name,
			    'author' => $offer->shop,
			    'url' => env('LINK_SHORTER_BASE_DOMAIN') . $offer->url,
			    'link' => env('LINK_SHORTER_BASE_DOMAIN') . $offer->url,
			    'pubdate' => strftime('%Y-%m-%d', $offer->created_at),
			    'description' => $desc,
			    'content' => $desc ] );
	    }

	    $matomo->doTrackPageView( ucfirst($view_name) . "-Feed" );

	    return $feed->render('atom');
	    
    }
}