add reading history to /about

www/internals/modules.php

@@ -1,7 +1,5 @@
 <?php
 
-use internals\modules\ProjectLawful;
-
 require_once 'website.php';
 
 class Modules
@@ -19,6 +17,7 @@ class Modules
 	/** @var Highscores|null */          private $highscores = null;
     /** @var SelfTest|null */            private $selftest = null;
     /** @var ProjectLawful|null */       private $projectlawful = null;
+    /** @var EbookHistory|null */        private $ebookhistory = null;
 
 	/** @var Website */
 	private $site;
@@ -105,4 +104,10 @@ class Modules
         if ($this->projectlawful === null) { require_once 'modules/projectlawful.php'; $this->projectlawful = new ProjectLawful($this->site); }
         return $this->projectlawful;
     }
+
+    public function EbookHistory(): EbookHistory
+    {
+        if ($this->ebookhistory === null) { require_once 'modules/ebookhistory.php'; $this->ebookhistory = new EbookHistory($this->site); }
+        return $this->ebookhistory;
+    }
 }

www/internals/modules/ebookhistory.php

@@ -0,0 +1,36 @@
+<?php
+
+class EbookHistory implements IWebsiteModule
+{
+    /** @var Website */
+    private $site;
+
+    public function __construct(Website $site)
+    {
+        $this->site = $site;
+    }
+
+    public function dir(): string
+    {
+        return __DIR__ . '/../../dynamic/ehr/';
+    }
+
+    public function checkConsistency(): array
+    {
+        $fn = $this->dir().'/snippet.html';
+
+        if (!file_exists($fn)) return ['result'=>'err', 'message' => 'File not found: ' . $fn];
+
+        if (filemtime($fn) < time()-(10*24*60*60)) return ['result'=>'warn', 'message' => 'Rendered data is older than 10 days'];
+
+        return ['result' => 'ok', 'message' => ''];
+    }
+
+    public function get(): string
+    {
+        $fn = $this->dir().'/snippet.html';
+        if (!file_exists($fn)) return '';
+
+        return file_get_contents($fn);
+    }
+}

www/internals/modules/projectlawful.php

@@ -1,11 +1,5 @@
 <?php
 
-namespace internals\modules;
-use IWebsiteModule;
-use PDO;
-use Throwable;
-use Website;
-
 class ProjectLawful implements IWebsiteModule
 {
     /** @var Website */

www/internals/modules/selftest.php

@@ -31,6 +31,7 @@ class SelfTest implements IWebsiteModule
 		'modules::webapps'         => 'Webapps (data)',
         'modules::highscores'      => 'Highscores (data)',
         'modules::projectlawful'   => 'ProjectLawful-ebook (files)',
+        'modules::ebookhistory'    => 'eBook History (data)',
 		'egg::db-check'            => 'ExtendedGitGraph (db-check)',
 		'backend::git'             => 'Git Repository',
 	];
@@ -120,6 +121,7 @@ class SelfTest implements IWebsiteModule
 		$this->addCheckConsistency("modules::webapps::webapps-check-consistency",                 function(){ return Website::inst()->modules->WebApps(); });
         $this->addCheckConsistency("modules::highscores::highscores-check-consistency",           function(){ return Website::inst()->modules->Highscores(); });
         $this->addCheckConsistency("modules::projectlawful::projectlawful-check-consistency",     function(){ return Website::inst()->modules->ProjectLawful(); });
+        $this->addCheckConsistency("modules::ebookhistory::ebookhistory-check-consistency",       function(){ return Website::inst()->modules->EbookHistory(); });
 
 		$this->addLambdaStatus("egg::db-check::check-db-consistency", function(){ return Website::inst()->modules->ExtendedGitGraph()->checkDatabaseConsistency(); });
 

www/internals/utils.php

@@ -292,9 +292,11 @@ function curl_http_request($url)
 	return [ 'output'=>$output, 'statuscode'=>$httpcode, 'redirect'=>$redirect, 'errnum'=>$errnum, 'errstr'=>$errmsg ];
 }
 
-function array_last(array $arr)
-{
-	return $arr[count($arr)-1];
+if (!function_exists('array_last')) {
+    function array_last(array $arr)
+    {
+        return $arr[count($arr)-1];
+    }
 }
 
 function explode_allow_empty(string $separator, string $str): array {