Use spbasepermissions to control permissions

[Contrisions] spbasepermissions. viewpages | Spbasepermissions. Open | Spbasepermissions. addlistitems | Spbasepermissions. editlistitems | Spbasepermissions. viewlistitems | Spbasepermissions. openitems |Spbasepermissions. viewversions | Spbasepermissions. createalerts | Spbasepermissions. viewformpages | Spbasepermissions. useclientintegration | Spbasepermissions. managepersonalviews |Spbasepermissions. managepersonalviews | Spbasepermissions. updatepersonalwebparts | Spbasepermissions. viewpages  //  Create the view only permission level Sproledefinition viewonly = This  . Ensureroledefinition (web,  "  View Only "  ,  "  Readonly permission  "  , Spbasepermissions. viewformpages | Spbasepermissions. viewlistitems | Spbasepermissions. Open |Spbasepermissions. viewpages );  //  Create the admin permission level Sproledefinition admin = This  . Ensureroledefinition (web,  "  Admin  "  ,  "  Read, add item and edit item Permissions  " , Spbasepermissions. viewformpages | Spbasepermissions. viewlistitems | Spbasepermissions. viewformpages | Spbasepermissions. Open | Spbasepermissions. viewpages |Spbasepermissions. addlistitems | Spbasepermissions. editlistitems); sproledefinition addonly = This  . Ensureroledefinition (web,  "  Add only  "  ,  "  Read, add item Permissions  " , Spbasepermissions. viewformpages | Spbasepermissions. viewlistitems | Spbasepermissions. viewformpages | Spbasepermissions. Open | Spbasepermissions. viewpages |Spbasepermissions. addlistitems); sproledefinition editonly = This  . Ensureroledefinition (web,  "  Edit only  "  ,  "  Read, edit item Permissions  " , Spbasepermissions. viewformpages | Spbasepermissions. viewlistitems | Spbasepermissions. viewformpages | Spbasepermissions. Open | Spbasepermissions. viewpages |Spbasepermissions. editlistitems); sproledefinition Delete = This  . Ensureroledefinition (web,  "  Delete  "  ,  "  Read, edit, add, delete item Permissions  " , Spbasepermissions. viewformpages | Spbasepermissions. viewlistitems | Spbasepermissions. viewformpages | Spbasepermissions. Open | Spbasepermissions. viewpages |Spbasepermissions. editlistitems | Spbasepermissions. addlistitems | Spbasepermissions. deletelistitems); sproledefinition viewversions = This  . Ensureroledefinition (web,  "  View versions  "  , "  Read, edit, add, delete item Permissions  "  , Spbasepermissions. viewformpages | Spbasepermissions. viewlistitems | Spbasepermissions. viewformpages | Spbasepermissions. Open |Spbasepermissions. viewpages | Spbasepermissions. editlistitems | Spbasepermissions. addlistitems | Spbasepermissions. deletelistitems | Spbasepermissions. viewversions );