fixed create collection

src/main/java/it/inaf/oats/vospace/CollectionsController.java

@@ -6,6 +6,7 @@
 package it.inaf.oats.vospace;
 
 import it.inaf.ia2.aa.data.User;
+import it.inaf.oats.vospace.datamodel.collections.NodeCollection;
 import it.inaf.oats.vospace.datamodel.collections.NodeCollectionsWrapper;
 import javax.servlet.http.HttpServletRequest;
 import org.slf4j.Logger;
@@ -16,6 +17,7 @@ import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
@@ -47,11 +49,11 @@ public class CollectionsController {
     // create a new collection with specified title
     @PutMapping(value = "/collections")
     public ResponseEntity<String> createCollection(
-            @RequestBody String collectionName, User principal) {
+            @RequestBody NodeCollection nc, User principal) {
         LOG.debug("create collection called with name {} called for user {}", 
-                collectionName, principal.getName());       
+                nc.getTitle(), principal.getName());       
 
-        collectionsService.createNewCollection(collectionName, principal.getName());
+        collectionsService.createNewCollection(nc.getTitle(), principal.getName());
 
         return ResponseEntity.ok("Collection created");
     }
@@ -59,11 +61,11 @@ public class CollectionsController {
     // delete collection by id
     @DeleteMapping(value = "/collections")
     public ResponseEntity<String> deleteCollection(
-            @RequestBody Long collectionId, User principal) {
+            @RequestParam("id") Long id, User principal) {
         LOG.debug("delete collection called with id {} for user {}", 
-                collectionId, principal.getName());
+                id, principal.getName());
         
-        collectionsService.deleteCollectionById(collectionId, principal.getName());
+        collectionsService.deleteCollectionById(id, principal.getName());
         
         return ResponseEntity.ok("Collection deleted");