Merge branch 'RecycleBin_delte_Related' into 'master'

Fixes #1267 Deleteing comments and activites on record deletion

See merge request !592

pkg/vtiger/modules/RecycleBin/modules/RecycleBin/models/Module.php

@@ -152,6 +152,7 @@ class RecycleBin_Module_Model extends Vtiger_Module_Model {
         
         // Delete related mod comments
 		$this->deleteRelatedComments($recordIds);
+        $this->deleteRelatedEmails($recordIds);
 
 		// TODO - Remove records from module tables and other related stores.
 		$query = 'DELETE FROM vtiger_modtracker_basic WHERE crmid in(' . generateQuestionMarks($recordIds) . ')';
@@ -256,4 +257,25 @@ class RecycleBin_Module_Model extends Vtiger_Module_Model {
 
 		$db->pquery($query, array($recordIds));
 	}
+    
+    /**
+	 * Function to remove emails related to given records
+	 * @param type $recordIds
+	 */
+	public function deleteRelatedEmails($recordIds) {
+		$db = PearDatabase::getInstance();
+		/**
+		 *  we have to delete emails if email is related to any $recordIds and same email is 
+		 *  not related to another record
+		 */
+		$query = "DELETE vtiger_crmentity.* FROM vtiger_crmentity INNER JOIN "
+				. "(SELECT vtiger_crmentity.crmid AS actid,vtiger_seactivityrel.crmid AS relid "
+				. "FROM vtiger_crmentity INNER JOIN vtiger_seactivityrel ON "
+				. "vtiger_seactivityrel.activityid=vtiger_crmentity.crmid "
+				. "GROUP BY vtiger_seactivityrel.activityid HAVING count(vtiger_seactivityrel.activityid) = 1)"
+				. " AS relationdata ON relationdata.actid=vtiger_crmentity.crmid "
+				. "WHERE relationdata.relid IN (" . generateQuestionMarks($recordIds) . ")";
+
+		$db->pquery($query, array($recordIds));
+	}
 }