[SQL] Add 'path' and 'web_path' data types to ConfigSettings (aces#4087)

Add 'path' and 'web_path' date types to ConfigSettings

Add specific types to distinguish paths that are used by the web server and paths that are used by the imaging pipeline from text fields.

SQL/0000-00-03-ConfigTables.sql

@@ -17,7 +17,7 @@ CREATE TABLE `ConfigSettings` (
     `Description` varchar(255) DEFAULT NULL,
     `Visible` tinyint(1) DEFAULT '0',
     `AllowMultiple` tinyint(1) DEFAULT '0',
-    `DataType` ENUM('text', 'boolean', 'email', 'instrument', 'textarea', 'scan_type', 'lookup_center') DEFAULT NULL,
+    `DataType` ENUM('text', 'boolean', 'email', 'instrument', 'textarea', 'scan_type', 'lookup_center', 'path', 'web_path') DEFAULT NULL,
     `Parent` int(11) DEFAULT NULL,
     `Label` varchar(255) DEFAULT NULL,
     `OrderNumber` int(11) DEFAULT NULL,

SQL/New_patches/2018-11-13_add_path_to_config_enum.sql

@@ -0,0 +1,8 @@
+-- Add 'path' and 'web_path' to DataType enum. The first should represent an 
+-- arbitrary path used in LORIS. 'web_path' should represent a full path
+-- that is reachable by the web-server i.e. Apache. Paths of type 'web_path'
+-- will be validated when configured from the front-end and will throw errors
+-- if not reachable by the server.
+ALTER TABLE ConfigSettings MODIFY COLUMN DataType enum('text','boolean','email','instrument','textarea','scan_type','lookup_center','path','web_path');
+UPDATE ConfigSettings SET DataType='web_path' where Name IN ('imagePath', 'base', 'data', 'extLibs', 'mincPath', 'DownloadPath', 'IncomingPath', 'MRICodePath', 'MRIUploadIncomingPath', 'GenomicDataPath', 'mediaPath', 'dataDirBasepath');
+UPDATE ConfigSettings SET DataType='path' WHERE Name IN ('log', 'MRICodePath', 'tarchiveLibraryDir', 'get_dicom_info', 'niak_path');