Changeset 8 for trunk/grails-app/controllers

Timestamp:

Oct 14, 2009, 6:29:37 PM (10 years ago)

Author:

duh

Message:

Renamed DebugController? to base controller, investigating Grails' Interceptors

File:

• trunk/grails-app/controllers/BaseController.groovy (moved) (moved from trunk/grails-app/controllers/DebugController.groovy) (3 diffs)

trunk/grails-app/controllers/BaseController.groovy

@@ +1 @@
+import org.codehaus.groovy.grails.commons.GrailsApplication
 import grails.util.GrailsUtil
 
 /**
- * Debug Controller
+ * Base Controller
  * @Author  Jeroen Wesbeek
  * @Since   20091014
  * @Description
  *
- * If all controllers extend this debug controller in one piece of code the
- * behaviour of the other controllers can be -to some extent- manipulated.
+ * Base Controller which provides general functionality
  *
  * Revision information:
@@ -15 +15 @@
  * $Date$
  */
-class DebugController {
+class BaseController {
     /**
      * Turn scaffolding on or off
@@ -22 +22 @@
 
     /**
-     * Render output to the browser, overload this method to suit your needs
+     * Render default output to the browser, overload this method to suit your needs
      */
     def index = { 
         render(sprintf("%s @ %s environment :: nothing to see here! :)",this.class.name,GrailsUtil.environment));
     }
+
+    /**
+     * intercept any method calls in extended classes
+     * @see http://www.grails.org/Controllers+-+Interceptors
+     */
+    def beforeInterceptor = [action:this.&auth,except:'login']
+
+    /**
+     * after interception
+     * @see http://www.grails.org/Controllers+-+Interceptors
+     */
+    def afterInterceptor = { model, modelAndView ->
+        println "Current view is ${modelAndView.viewName}"
+        if(model.someVar) modelAndView.viewName = "/mycontroller/someotherview"
+        println "View is now ${modelAndView.viewName}"
+    }
+
+    /**
+     * authentication method
+     */
+    def auth() {
+        if(!session.user) {
+            redirect(action:'login')
+            return false
+        }
+    }
+
+    /**
+     * login method
+     */
+    def login = {
+        // display login page
+        println "render login...";
+    }
 }