Emit RSS

config/default.php

@@ -1,9 +1,17 @@
 <?php
+declare(strict_types = 1);
 
 class Config {
+    const feed = [
+        'title' => '[INHUMAN] a sci-fi webcomic',
+        'description' => '...',
+        'feedUrl' => 'http://www.inhuman-comic.com/feed.xml'
+    ];
+    
     // where to start spidering
     const baseURL = "http://www.inhuman-comic.com";
     // how the script identifies itself to the server while spidering
+    // (this will also be used as the "Generator" value in the feed XML)
     const userAgent = 'Lexie\'s RSS Monster (for Cial) (lexie@alexis-marie-wright.me)';
     // a CSS selector identifying the "next page" link to follow while spidering
     const nextLinkSelector = 'div.body a.prev';
@@ -15,5 +23,5 @@ class Config {
         'silly' => false
     ];
     // if set, fetch only this many pages while spidering (false to fetch all)
-    const TEST_stopAfter = 10;
+    const TEST_stopAfter = 2;
 }

lib/fetch-pages.php

@@ -1,4 +1,7 @@
 <?php
+declare(strict_types = 1);
+
+include_once('config/default.php');
 
 use GuzzleHttp\Client as HTTPClient;
 use PHPHtmlParser\Dom as DOM;
@@ -49,6 +52,7 @@ function fetchPages() {
 
         array_push($content, [
             'url' => $url,
+            'imageUrl' => Config::baseURL . '/' . $dom->find('div.page img')[0]->src,
             'body' => $dom,
             'pageNumber' => $matches[1]
         ]);

rssmonster.php

@@ -12,24 +12,31 @@ include_once('config/default.php');
 include_once('lib/log.php');
 include_once('lib/fetch-pages.php');
 
-// --- this'll be in a lib someday
-function parsePageForFeedContent(string $url, DOM $page) {
-    $imageUrl = Config::baseUrl . '/' . $page->find('div.page img')[0]->src;
-    
-    return [
-        title => 'INHUMAN | Page ###',
-        link => $url,
-        guid => $url,
-        description =>
-        "<a style=\"text-decoration: none; border: none;\" href=\"" . $url . "\">" .
-        "<img src=\"" . $imageUrl . "\" />" .
-        "</a>"
-    ];
-};
-// --- ok back to the real shit
-
 $content = fetchPages();
 
+$loader = new \Twig\Loader\FilesystemLoader('templates/');
+$twig = new \Twig\Environment($loader, [
+    'autoescape' => false
+]);
+
+$now = date('c');
+
+$items = [];
 foreach ($content as $result) {
-    print "{$result['url']} {$result['pageNumber']}\n";
-};
+    $items[] = $twig->render('item.xml', [
+        'title' => $result['pageNumber'] . " | " . Config::feed['title'],
+        'url' => $result['url'],
+        'imageUrl' => $result['imageUrl'],
+        'date' => $now
+    ]);
+};
+
+print $twig->render('feed.xml', [
+    'title' => Config::feed['title'],
+    'description' => Config::feed['description'],
+    'baseUrl' => Config::baseURL,
+    'feedUrl' => Config::feed['feedUrl'],
+    'date' => $now,
+    'items' => implode("\r\n", $items)
+]);
+

templates/feed.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+{% autoescape %}
+  <channel>
+    <title>
+      {{ title }}
+    </title>
+    <description>
+      {{ description }}
+    </description>
+    <link>{{ baseUrl }}</link>
+    <atom:link href="{{ feedUrl }}" rel="self" type="application/rss+xml" />
+    <pubDate>{{ date }}</pubDate>
+    <lastBuildDate>{{ date }}</lastBuildDate>
+    <generator>{{ date }}</generator>
+    <items>
+      
+{% endautoescape %}
+      {{ items }}
+      
+    </items>
+  </channel>
+
+</rss>

templates/item.xml

@@ -0,0 +1,11 @@
+<item>
+  <title>{{ title }}</title>
+  <description>
+    <a style="border: 0; text-decoration: none;" href="{{ url }}">
+      <img src="{{ imageUrl }}" />
+    </a>
+  </description>
+  <pubDate>{{ date }}</pubDate>
+  <link>{{ url }}</link>
+  <guid isPermaLink="true">{{ url }}</guid>
+</item>