Added editing function for pages (using tinymce).

Added editing pages for footer, banner, aside.
Added page overview.
Added public page.
Added settings page.
Added generator for embed pseudocodes.

inc/functions.php

@@ -7,6 +7,9 @@
  * @author Joshua Ramon Enslin <joshua@jrenslin.de>
  */
 
+require __DIR__ . "/standardHTML.php";
+require __DIR__ . "/mdEmbeds.php";
+
 /**
  * Function ensureDir checks if a directory exists, and creates it if it does not yet.
  *
@@ -47,7 +50,7 @@ function ensureEnvironment() {
 
     // Ensure existence of directories
 
-    foreach ([__DIR__ . "/../data", __DIR__ . "/../data/static", __DIR__ . "/../data/caches", __DIR__ . "/../js"] as $folder) {
+    foreach ([__DIR__ . "/../files", __DIR__ . "/../data", __DIR__ . "/../data/static", __DIR__ . "/../data/caches", __DIR__ . "/../js"] as $folder) {
         ensureDir($folder);
     }
 
@@ -56,11 +59,54 @@ function ensureEnvironment() {
     foreach ([
         __DIR__ . "/../data/settings.json",
         __DIR__ . "/../data/caches/pages.json",
+        __DIR__ . "/../data/caches/publicPages.json",
         __DIR__ . "/../data/users.json",
     ] as $jsonFile) {
         ensureJson($jsonFile);
     }
 
+    // Load settings
+
+    $settings = array_merge(
+        [
+            "startPage"   => "1",
+            "pageTitle"   => "md:cms",
+            "logo"        => "",
+            "url"         => "",
+            "mdVersion"   => "https://www.museum-digital.de/nat/",
+            "maxFileSize" => 300000,
+            "defaultLang" => "en"
+        ],
+        json_decode(file_get_contents(__DIR__ . "/../data/settings.json"), true)
+    );
+
+    $GLOBALS['settings'] = $settings;
+
+
+}
+
+/**
+ * Function for loading contents from cache.
+ *
+ * @return array
+ */
+function loadPages() {
+
+    $pages = json_decode(file_get_contents(__DIR__ . "/../data/caches/pages.json"), true);
+    return $pages;
+
+}
+
+/**
+ * Function for loading contents from cache.
+ *
+ * @return array
+ */
+function loadPublicPages() {
+
+    $pages = json_decode(file_get_contents(__DIR__ . "/../data/caches/publicPages.json"), true);
+    return $pages;
+
 }
 
 /**
@@ -216,6 +262,62 @@ function write_common_vars(array $input):string {
 
 }
 
+/**
+ * Function for e.g. printing the navigation.
+ *
+ * @param array    $pages             Array of all pages to list.
+ * @param function $start             Function to run on the called pages in case a new level is entered.
+ * @param function $end               Function to run on the called pages in case a new level is entered.
+ * @param function $callbackSameLevel Function to run on the called pages of the current level.
+ * @param integer  $higher            Run the callback function on those entries where higher equals the given.
+ *
+ * @return string
+ */
+function buildPageOrder(
+    array $pages,
+    $start,
+    $end,
+    $callbackSameLevel,
+    int $higher = 0
+):string {
 
+    $output  = "";
+
+    $thisLevel = [];
+    foreach ($pages as $page) {
+        if ($page["higher"] != $higher) continue;
+
+        $output .= $callbackSameLevel($page, buildPageOrder($pages, $start, $end, $callbackSameLevel, $page["id"]));
+
+    }
+
+    if ($output) $output = $start() . $output . $end();
+    return $output;
+
+}
+
+/**
+ * Function for checking access to previews.
+ *
+ * @param bool $sessionStarted Optional parameter depending on the status of the session.
+ *
+ * @return bool
+ */
+function checkPreviewAccess($sessionStarted = false) {
+
+    if (!$sessionStarted) {
+        session_start();
+    }
+
+    if (isset($_SESSION['username'])) $output = true;
+    else $output = false;
+
+    if (!$sessionStarted) {
+        session_abort();
+    }
+
+    return $output;
+
+}
 
 ?>