implement basic Questgroups and Quests structure

models/QuestgroupshierarchyModel.inc

@@ -0,0 +1,103 @@
+<?php
+
+	/**
+	 * The Legend of Z
+	 *
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 * @copyright	2014 Heinrich-Heine-Universität Düsseldorf
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	https://bitbucket.org/coderkun/the-legend-of-z
+	 */
+	
+	namespace hhu\z\models;
+	
+	
+	/**
+	 * Model to interact with Questgroupshierarchy-table.
+	 * 
+	 * @author	Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
+	 */
+	class QuestgroupshierarchyModel extends \hhu\z\Model
+	{
+		
+		
+		
+		
+		/**
+		 * Construct a new QuestgroupshierarchyModel.
+		 */
+		public function __construct()
+		{
+			parent::__construct();
+		}
+		
+		
+		
+		
+		/**
+		 * Get a Questgroup hierarchy by its ID.
+		 * 
+		 * throws	IdNotFoundException
+		 * @param	int	$questgroupshierarchyId	ID of a Questgroup hierarchy
+		 * @return	array				Questgroup hierarchy
+		 */
+		public function getHierarchyById($questgroupshierarchyId)
+		{
+			$data = $this->db->query(
+				'SELECT id, seminary_id, parent_questgroupshierarchy_id, pos, title_singular, title_plural, url '.
+				'FROM questgroupshierarchy '.
+				'WHERE questgroupshierarchy.id = ?',
+				'i',
+				$questgroupshierarchyId
+			);
+			if(empty($data)) {
+				throw new \nre\exceptions\IdNotFoundException($questgroupshierarchyId);
+			}
+			
+			
+			return $data[0];
+		}
+		
+		
+		/**
+		 * Get the toplevel hierarchy entries of a Seminary.
+		 * 
+		 * @param	int	$seminaryId	ID of the seminary to get hierarchy for
+		 * @return	array			Toplevel hierarchy
+		 */
+		public function getHierarchyForSeminary($seminaryId)
+		{
+			return $this->db->query(
+				'SELECT id, seminary_id, parent_questgroupshierarchy_id, pos, title_singular, title_plural, url '.
+				'FROM questgroupshierarchy '.
+				'WHERE '.
+					'questgroupshierarchy.seminary_id = ? AND '.
+					'questgroupshierarchy.parent_questgroupshierarchy_id IS NULL '.
+				'ORDER BY questgroupshierarchy.pos ASC',
+				'i',
+				$seminaryId
+			);
+		}
+		
+		
+		/**
+		 * Get the child hierarchy entries of a Questgroup hierarchy.
+		 * 
+		 * @param	int	$questgroupshierarchyId	ID of a Questgroup hierarchy
+		 * @return	array				Child Questgroup hierarchy entries
+		 */
+		public function getChildQuestgroupshierarchy($questgroupshierarchyId)
+		{
+			return $this->db->query(
+				'SELECT id, seminary_id, parent_questgroupshierarchy_id, pos, title_singular, title_plural, url '.
+				'FROM questgroupshierarchy '.
+				'WHERE questgroupshierarchy.parent_questgroupshierarchy_id = ? '.
+				'ORDER BY questgroupshierarchy.pos ASC',
+				'i',
+				$questgroupshierarchyId
+			);
+		}
+		
+	}
+
+?>