first commit

inc/impactrelation.class.php

@@ -0,0 +1,97 @@
+<?php
+
+if (!defined('GLPI_ROOT')) {
+   die("Sorry. You can't access this file directly");
+}
+
+/**
+ * @since 9.5.0
+ */
+class ImpactRelation extends CommonDBRelation {
+   // CommonDBRelation fields
+   static public $itemtype_1          = 'itemtype_source';
+   static public $items_id_1          = 'items_id_source';
+   static public $itemtype_2          = 'itemtype_impacted';
+   static public $items_id_2          = 'items_id_impacted';
+
+   public function prepareInputForAdd($input) {
+      global $DB;
+
+      // Check that mandatory values are set
+      $required = [
+         "itemtype_source",
+         "items_id_source",
+         "itemtype_impacted",
+         "items_id_impacted"
+      ];
+      if (array_diff($required, array_keys($input))) {
+         return false;
+      }
+
+      // Check that source and impacted are different items
+      if ($input['itemtype_source'] == $input['itemtype_impacted']
+         && $input['items_id_source'] == $input['items_id_impacted']
+      ) {
+         return false;
+      }
+
+      // Check for duplicate
+      $it = $DB->request([
+         'FROM'   => self::getTable(),
+         'WHERE'  => [
+            'itemtype_source'   => $input['itemtype_source'],
+            'items_id_source'   => $input['items_id_source'],
+            'itemtype_impacted' => $input['itemtype_impacted'],
+            'items_id_impacted' => $input['items_id_impacted']
+         ]
+      ]);
+      if (count($it)) {
+         return false;
+      }
+
+      // Check if source and impacted are valid objets
+      $source_exist = Impact::assetExist(
+         $input['itemtype_source'],
+         $input['items_id_source']
+      );
+      $impacted_exist = Impact::assetExist(
+         $input['itemtype_impacted'],
+         $input['items_id_impacted']
+      );
+      if (!$source_exist || !$impacted_exist) {
+         return false;
+      }
+
+      return $input;
+   }
+
+   /**
+    * Get an impact id from an input form
+    *
+    * @param array $input   Array containing the impact to be deleted
+    * @param array $options
+    * @param bool  $history
+    *
+    * @return bool false on failure
+    */
+   public static function getIDFromInput(array $input) {
+      global $DB;
+
+      // Check that the link exist
+      $it = $DB->request([
+         'FROM'   => self::getTable(),
+         'WHERE'  => [
+            'itemtype_source'   => $input['itemtype_source'],
+            'items_id_source'   => $input['items_id_source'],
+            'itemtype_impacted' => $input['itemtype_impacted'],
+            'items_id_impacted' => $input['items_id_impacted']
+         ]
+      ]);
+
+      if (count($it)) {
+         return $it->next()['id'];
+      }
+
+      return false;
+   }
+}