FEATURE: use even more route model binding

2017-08-01 19:51:12 +02:00
parent 3275e5aeed
commit 2d60010f9e
16 changed files with 158 additions and 100 deletions
@@ -0,0 +1,97 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\CMS\Contracts\Repositories\Content;
+use App\Http\Requests;
+
+class Sitemap extends Controller
+{
+    /**
+     * @var Content
+     */
+    private $content;
+
+    /**
+     * Sitemap constructor.
+     *
+     * @param Content $content
+     */
+    public function __construct(Content $content)
+    {
+        $this->content = $content;
+    }
+
+    /**
+     * Get sitemap for all content pages
+     *
+     * @return mixed
+     */
+    public function getMap()
+    {
+        // load all public pages
+        $pages = $this->content->all();
+
+        // iterate over all pages and add tag for each of them
+        foreach ($pages as $page) {
+
+            // is this page a homepage? because of URL
+            if ($page->isHomepage) {
+                $route = route('page.index');
+                $priority = 1;
+            } else {
+                $route = route('page.content', ['url' => $page->url]);
+                $priority = 0.8;
+            }
+
+            // compute update frequency
+            $updateFrequency = $this->getUpdateFrequency($page->updated_at);
+
+            // add to all pages
+            \Sitemap::addTag($route, $page->updated_at, $updateFrequency, $priority);
+        }
+
+        // print sitemap
+        return \Sitemap::render();
+    }
+
+    /**
+     * Based on updatedAt compute "changefreq" for sitemap
+     *
+     * @param $updatedAt
+     */
+    private function getUpdateFrequency($updatedAt)
+    {
+        // shortcuts for times
+        $day = 24 * 60 * 60;
+        $week = 7 * $day;
+        $month = 4 * $week;
+        $year = 12 * $month;
+
+        // change frequencies in format "name" => maximum age of last editation
+        $changeFrequencies = [
+            'always'  => 300,
+            'hourly'  => 3600,
+            'daily'   => $day,
+            'weekly'  => $week,
+            'monthly' => $month,
+            'yearly'  => $year,
+            'never'   => PHP_INT_MAX,
+        ];
+
+        // get time difference
+        $timeDiffInMinutes = time() - strtotime($updatedAt);
+
+        // iterate over array with all change frequencies and break when time of edit is smaller than maximum time
+        do {
+            $changeFrequency = key($changeFrequencies);
+            $changeFreqMinTime = next($changeFrequencies);
+        } while ($timeDiffInMinutes > $changeFreqMinTime);
+
+        if ($changeFrequency != 'never') {
+            $changeFrequency = key($changeFrequencies);
+        }
+
+        return $changeFrequency;
+    }
+}