优化查询代码；增加RSS1

app/common/tools/Rss.php

@@ -0,0 +1,48 @@
+<?php
+namespace app\common\tools;
+
+use FeedWriter\RSS1;
+
+class Rss
+{
+    public static function initRss1()
+    {
+        $feed = new RSS1();
+
+
+        $feed->setTitle(Site::name());
+        $feed->setLink(Site::indexUrl());
+        $feed->setDescription(Site::desc());
+
+        //It's important for RSS 1.0
+        $feed->setChannelAbout(Site::keywords());
+
+        // An image is optional.
+        $feed->setImage(Site::logo(), 'PHP武器库头像', get_source_link('/'));
+
+        //Adding a feed. Generally this portion will be in a loop and add all feeds.
+
+        $list_post = Site::mapRecentlyPost();
+
+        foreach ($list_post as $model_post) {
+            //Create an empty FeedItem
+
+            $new_item = $feed->createNewItem();
+
+            $new_item->setTitle($model_post->title);
+
+            $new_item->setLink($model_post->read_url);
+            //The parameter is a timestamp for setDate() function
+            $new_item->setDate($model_post->publish_time);
+            $new_item->setDescription($model_post->desc);
+            //Use core addElement() function for other supported optional elements
+
+            //Now add the feed item
+            $feed->addItem($new_item);
+        }
+
+        $content = $feed->generateFeed();
+
+        return $content;
+    }
+}

app/common/tools/Site.php

@@ -0,0 +1,45 @@
+<?php
+namespace app\common\tools;
+
+use think\facade\Request;
+
+class Site
+{
+    public static function mapAllPost()
+    {
+        $list_post = \app\model\Post::cache(60)->where('status', 1)->select();
+
+        return $list_post;
+    }
+    public static function mapRecentlyPost()
+    {
+        $list_post = \app\model\Post::cache(60)->where('status', 1)->order('publish_time', "desc")->limit(25)->select();
+
+        return $list_post;
+    }
+
+    public static function name()
+    {
+        return get_system_config('site_name');
+    }
+
+    public static function indexUrl()
+    {
+        return Request::scheme() . '://' . get_system_config('main_domain', Request::host());
+    }
+
+    public static function desc()
+    {
+        return get_system_config('site_desc');
+    }
+
+    public static function logo()
+    {
+        return get_source_link(get_system_config('site_logo'));
+    }
+
+    public static function keywords()
+    {
+        return get_system_config('site_keywords');
+    }
+}

app/common/tools/Sitemap.php

@@ -2,7 +2,7 @@
 
 namespace app\common\tools;
 
-use app\model\Post;
+
 use DateTime;
 use Thepixeldeveloper\Sitemap\Drivers\XmlWriterDriver;
 use Thepixeldeveloper\Sitemap\Url;
@@ -18,7 +18,7 @@ class Sitemap
 
         $urlset_page_post = new Urlset();
 
-        $index_url = new Url(Request::scheme() . '://' . get_system_config('main_domain', Request::host()));
+        $index_url = new Url(Site::indexUrl());
 
         $index_url->setChangeFreq('always');
 
@@ -26,7 +26,7 @@ class Sitemap
 
         $urlset_page_post->add($index_url);
 
-        $list_post = Post::cache(60)->where('status', 1)->select();
+        $list_post = Site::mapAllPost();
 
         foreach ($list_post as $model_post) {
             $url_post = new Url($model_post->read_url);

app/model/Post.php

@@ -98,6 +98,15 @@ class Post extends Base
         return $list;
     }
 
+    public function getDescAttr($value)
+    {
+        if(empty($value)){
+            
+        }
+
+        return $value;
+    }
+
     public function getDescShortAttr()
     {
         $desc = $this->getData('desc');
@@ -181,8 +190,9 @@ class Post extends Base
 
     public function getReadUrlAttr()
     {
+        $path = '/index/a' . $this->getData('uid') . '.html';
 
-        return Request::domain() . '/index/a' . $this->getData('uid') . '.html';
+        return Request::domain() . $path;
     }
 
     public function getShareTextAttr()
@@ -195,4 +205,4 @@ class Post extends Base
 
         return $share_text;
     }
-}
+}

composer.json

@@ -30,7 +30,8 @@
         "thepixeldeveloper/sitemap": "^5.1",
         "jaeger/phpquery-single": "^1.1",
         "league/html-to-markdown": "^5.1",
-        "topthink/think-filesystem": "^2.0"
+        "topthink/think-filesystem": "^2.0",
+        "mibe/feedwriter": "^1.1"
     },
     "require-dev": {
         "symfony/var-dumper": "^4.2"

route/app.php

@@ -9,6 +9,7 @@
 // | Author: liu21st <liu21st@gmail.com>
 // +----------------------------------------------------------------------
 
+use app\common\tools\Rss;
 use app\common\tools\Sitemap;
 use app\Request;
 use think\facade\Cache;
@@ -27,7 +28,6 @@ Route::rule('/sitemap.xml', function (Request $request) {
 
         if (!empty($if_not_match)) {
             if ($if_not_match == $last_etag) {
-                Log::debug('sitemap go for etag cache');
                 return xml('', 304)->eTag($last_etag);
             }
         }
@@ -41,3 +41,30 @@ Route::rule('/sitemap.xml', function (Request $request) {
 
     return xml($content)->eTag($last_etag);
 });
+
+
+Route::rule('/rss1.xml', function (Request $request) {
+
+    $cache_key = 'rss1_cache_key';
+
+    $last_etag = Cache::get($cache_key);
+
+    if (!empty($cache_key)) {
+
+        $if_not_match = $request->header('If-None-Match');
+
+        if (!empty($if_not_match)) {
+            if ($if_not_match == $last_etag) {
+                return xml('', 304)->eTag($last_etag);
+            }
+        }
+    }
+
+    $content = Rss::initRss1();
+
+    $last_etag = md5($content);
+
+    Cache::set($cache_key, $last_etag);
+
+    return xml($content)->eTag($last_etag);
+});