add SeedDMS_Core_DMS::getDuplicateSequenceNo()

SeedDMS_Core/Core/inc.ClassDMS.php

@@ -3194,6 +3194,41 @@ class SeedDMS_Core_DMS {
 
 	} /* }}} */
 
+	/**
+	 * Returns folders which contain documents with none unique sequence number
+	 *
+	 * This method is for finding folders with documents not having a
+	 * unique sequence number. Those documents cannot propperly be sorted
+	 * by sequence and changing their position is impossible if more than
+	 * two documents with the same sequence number exists, e.g.
+	 * doc 1: 3
+	 * doc 2: 5
+	 * doc 3: 5
+	 * doc 4: 5
+	 * doc 5: 7
+	 * If document 4 was to be moved between doc 1 and 2 it get sequence
+	 * number 4 ((5+3)/2).
+	 * But if document 4 was to be moved between doc 2 and 3 it will again
+	 * have sequence number 5.
+	 *
+	 * @return array|bool
+	 */
+	function getDuplicateSequenceNo() { /* {{{ */
+		$queryStr = "SELECT DISTINCT `folder` FROM (SELECT `folder`, `sequence`, count(*) c FROM `tblDocuments` GROUP BY `folder`, `sequence` HAVING c > 1) a";
+		$resArr = $this->db->getResultArray($queryStr);
+		if ($resArr === false)
+			return false;
+
+		$folders = array();
+		foreach($resArr as $row) {
+			$folder = $this->getFolder($row['folder']);
+			if($folder)
+				$folders[] = $folder;
+		}
+		return $folders;
+
+	} /* }}} */
+
 	/**
 	 * Returns a list of reviews, approvals which are not linked
 	 * to a user, group anymore

SeedDMS_Core/package.xml

@@ -29,6 +29,7 @@
 - SeedDMS_Core_DMS::createPasswordRequest() creates a cryptographically secure hash
 - fix sql error when deleting a folder attribute
 - add SeedDMS_Core_Attribute::getParsedValue() and use it in SeedDMS_Core_Object::getAttributeValue()
+- add SeedDMS_Core_DMS::getDuplicateSequenceNo()
  </notes>
  <contents>
   <dir baseinstalldir="SeedDMS" name="/">