Admin part: can import, export and drop themes

onyx/include/admin/export_theme.php

@@ -0,0 +1,9 @@
+<?php
+
+if(!defined('ONYX')) exit;
+
+header("Content-type: application/xml");
+
+$template->assign("theme", new Theme($_GET["id"]));
+
+return "admin/export_theme";

onyx/include/admin/import_themes.php

@@ -0,0 +1,75 @@
+<?php
+
+if(!defined('ONYX')) exit;
+
+if (!empty($_FILES["inputFile"]['tmp_name']))
+{
+  $doc = new DOMDocument();
+  if (!$doc->load($_FILES["inputFile"]['tmp_name']))
+  {
+    erreur("Unable to parse given file. A XML file was expected.");
+    return;
+  }
+
+  // Define thema information
+  $theme = new Theme();
+
+  $xpath = new DOMXpath($doc);
+  $elements = $xpath->query("//theme/title");
+  if (!is_null($elements))
+  {
+    foreach ($elements as $element)
+      $theme->title = $element->nodeValue;
+  }
+
+  // Insert thema into BDD
+  if (!$theme->update())
+  {
+    erreur("Unable to add a new theme.");
+    return;
+  }
+
+  $elements = $xpath->query("//theme/exercice");
+  if (!is_null($elements))
+  {
+    foreach ($elements as $element)
+    {
+      $ex = new Exercice();
+
+      $ex->id = $element->getAttribute("id");
+      $ex->level = $element->getAttribute("level");
+      if ($element->hasAttribute("depends"))
+	$ex->require = $element->getAttribute("depends");
+
+      foreach ($element->childNodes as $child)
+      {
+	if ($child->nodeName == "title")
+	  $ex->title = $child->nodeValue;
+
+	else if ($child->nodeName == "points")
+	  $ex->points = intval($child->nodeValue);
+
+	else if ($child->nodeName == "statement")
+	  $ex->statement = $child->nodeValue;
+
+	else if ($child->nodeName == "key")
+	  $ex->add_key(
+	    $child->hasAttribute("format")?$child->getAttribute("format"):"sha512",
+	    $child->nodeValue);
+
+	else if ($child->nodeName == "file")
+	  $ex->add_file(
+	    $child->getAttribute("path"),
+	    $child->nodeValue,
+	    $child->getAttribute("sha1"));
+      }
+
+      if (!$theme->add_exercice($ex))
+	erreur("Unable to add '".$ex->id."' exercice.");
+    }
+  }
+
+  erreur("XML file successfully imported.", "success");
+}
+
+return "admin/import_exercices";

onyx/include/admin/list_themes.php

@@ -0,0 +1,43 @@
+<?php
+
+if(!defined('ONYX')) exit;
+
+function remove_themes($id)
+{
+  $db = new BDD();
+  $res = $db->query("SELECT id FROM exercices WHERE id_theme = ".$id);
+  foreach($res as $r)
+  {
+    $db->query("DELETE FROM exercice_files WHERE id_exercice = ".$id);
+    $db->query("DELETE FROM exercice_keys WHERE id_exercice = ".$id);
+    $db->query("DELETE FROM solved WHERE id_exercice = ".$id);
+  }
+
+  $db->query("DELETE FROM exercices WHERE id_theme = ".$id);
+  $db->query("DELETE FROM themes WHERE id = ".$id);
+  $db->deconnexion();
+}
+
+if (!empty($_GET["delete"]))
+{
+  $id_team = intval($_GET["delete"]);
+
+  remove_themes($id_team);
+
+  header("Location: /".SALT_ADMIN."/themes");
+  exit;
+}
+else if (isset($_GET["drop"]))
+{
+  foreach(Theme::get_themes() as $thm)
+  {
+    remove_themes($thm->get_id());
+  }
+
+  header("Location: /".SALT_ADMIN."/themes");
+  exit;
+}
+
+$template->assign("themes", Theme::get_themes());
+
+return "admin/themes";