Issue #000 fix: category-definition validation

Checking ResourceNotFoundException for global category definition object.

ontology-engine/graph-core_2.11/src/main/scala/org/sunbird/graph/external/store/ExternalStore.scala

@@ -82,8 +82,8 @@ class ExternalStore(keySpace: String , table: String , primaryKey: java.util.Lis
                     response.putAll(externalMetadataMap.asJava)
                     response
                 } else {
-                    TelemetryManager.error("Entry is not found in cassandra for content with identifier: " + identifier)
-                    ResponseHandler.ERROR(ResponseCode.RESOURCE_NOT_FOUND, ResponseCode.RESOURCE_NOT_FOUND.code().toString, "Entry is not found in cassandra for content with identifier: " + identifier)
+                    TelemetryManager.error("Entry is not found in external-store for object with identifier: " + identifier)
+                    ResponseHandler.ERROR(ResponseCode.RESOURCE_NOT_FOUND, ResponseCode.RESOURCE_NOT_FOUND.code().toString, "Entry is not found in external-store for object with identifier: " + identifier)
                 }
             })
         } catch {

ontology-engine/graph-engine_2.11/src/main/scala/org/sunbird/graph/schema/CategoryDefinitionValidator.scala

@@ -59,14 +59,17 @@ class CategoryDefinitionValidator(schemaName: String, version: String) extends B
                     else {
                         val updatedId = categoryId.replace(categoryId.substring(categoryId.lastIndexOf("_") + 1), "all")
                         request.put("identifier", updatedId)
-                        Await.result(oec.graphService.readExternalProps(request, List("objectMetadata")), Duration.apply("30 seconds"))
+                        val channelCatResp = Await.result(oec.graphService.readExternalProps(request, List("objectMetadata")), Duration.apply("30 seconds"))
+                        if(StringUtils.equalsAnyIgnoreCase(channelCatResp.getResponseCode.name(), ResponseCode.RESOURCE_NOT_FOUND.name())) {
+                          throw new ResourceNotFoundException(resp.getParams.getErr, resp.getParams.getErrmsg + " " + resp.getResult)
+                        } else channelCatResp
                     }
                 } else throw new ServerException(resp.getParams.getErr, resp.getParams.getErrmsg + " " + resp.getResult)
             } else resp
         }
         populateSchema(response, categoryId)
     }
-
+  
     def populateSchema(response: Response, identifier: String) : (java.util.Map[String, AnyRef], java.util.Map[String, AnyRef]) = {
         val jsonString = getFileToString("schema.json")
         val schemaMap: java.util.Map[String, AnyRef] = JsonUtils.deserialize(jsonString, classOf[java.util.Map[String, AnyRef]])