Vtlib api to add settings link in CRM

include/utils/VtlibUtils.php

@@ -764,4 +764,55 @@ function vtlib_mime_content_type($filename) {
 	return Vtiger_Functions::mime_content_type($filename);
 }
 
+/**
+ * Function to add settings entry in CRM settings page
+ * @param string $linkName
+ * @param string $linkURL
+ * @param string $blockName
+ * @return boolean true/false
+ */
+function vtlib_addSettingsLink($linkName, $linkURL, $blockName = false) {
+	$success = true;
+	$db = PearDatabase::getInstance();
+
+	//Check entry name exist in DB or not
+	$result = $db->pquery('SELECT 1 FROM vtiger_settings_field WHERE name=?', array($linkName));
+	if ($result && !$db->num_rows($result)) {
+		$blockId = 0;
+		if ($blockName) {
+			$blockId = getSettingsBlockId($blockName);//Check block name exist in DB or not
+		}
+
+		if (!$blockId) {
+			$blockName = 'LBL_OTHER_SETTINGS';
+			$blockId = getSettingsBlockId($blockName);//Check block name exist in DB or not
+		}
+
+		//Add block in to DB if not exists
+		if (!$blockId) {
+			$blockSeqResult = $db->pquery('SELECT MAX(sequence) AS sequence FROM vtiger_settings_blocks', array());
+			if ($db->num_rows($blockSeqResult)) {
+				$blockId = $db->getUniqueID('vtiger_settings_blocks');
+				$blockSequence = $db->query_result($blockSeqResult, 0, 'sequence');
+				$db->pquery('INSERT INTO vtiger_settings_blocks(blockid, label, sequence) VALUES(?,?,?)', array($blockId, 'LBL_OTHER_SETTINGS', $blockSequence++));
+			}
+		}
+
+		//Add settings field in to DB
+		if ($blockId) {
+			$fieldSeqResult = $db->pquery('SELECT MAX(sequence) AS sequence FROM vtiger_settings_field WHERE blockid=?', array($blockId));
+			if ($db->num_rows($fieldSeqResult)) {
+				$fieldId = $db->getUniqueID('vtiger_settings_field');
+				$linkURL = ($linkURL) ? $linkURL : '';
+				$fieldSequence = $db->query_result($fieldSeqResult, 0, 'sequence');
+
+				$db->pquery('INSERT INTO vtiger_settings_field(fieldid, blockid, name, iconpath, description, linkto, sequence, active, pinned) VALUES(?,?,?,?,?,?,?,?,?)', array($fieldId, $blockId, $entryName, '', $entryName, $linkURL, $fieldSequence++, 0, 0));
+			}
+		} else {
+			$success = false;
+		}
+	}
+	return $success;
+}
+
 ?>