1 files changed, 118 insertions, 0 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ServiceDistributionValidation.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ServiceDistributionValidation.java
new file mode 100644
index 0000000000..ec5a1c3078
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ServiceDistributionValidation.java
@@ -0,0 +1,118 @@
+package org.openecomp.sdc.be.components.validation;
+
+import fj.data.Either;
+import org.apache.commons.lang.StringUtils;
+import org.openecomp.sdc.be.components.distribution.engine.IDistributionEngine;
+import org.openecomp.sdc.be.components.impl.ActivationRequestInformation;
+import org.openecomp.sdc.be.dao.api.ActionStatus;
+import org.openecomp.sdc.be.datatypes.enums.EnvironmentStatusEnum;
+import org.openecomp.sdc.be.externalapi.servlet.representation.ServiceDistributionReqInfo;
+import org.openecomp.sdc.be.impl.ComponentsUtils;
+import org.openecomp.sdc.be.model.Component;
+import org.openecomp.sdc.be.model.LifecycleStateEnum;
+import org.openecomp.sdc.be.model.Service;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
+import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
+import org.openecomp.sdc.be.resources.data.OperationalEnvironmentEntry;
+import org.openecomp.sdc.exception.ResponseFormat;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Resource;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by chaya on 10/18/2017.
+ */
+@org.springframework.stereotype.Component("serviceDistributionValidation")
+public class ServiceDistributionValidation {
+    private static final Logger log = LoggerFactory.getLogger(ServiceDistributionValidation.class);
+    @Resource
+    private ComponentsUtils componentsUtils;
+    @Resource
+    private ToscaOperationFacade toscaOperationFacade;
+    @Resource
+    private UserValidations userValidations;
+    @Resource
+    private IDistributionEngine distributionEngine;
+
+    public Either<ActivationRequestInformation, ResponseFormat> validateActivateServiceRequest(String serviceUUID, String opEnvId, User modifier, ServiceDistributionReqInfo data) {
+        try {
+            validateUserExists(modifier.getUserId());
+            Service serviceToActivate = validateServiceExists(serviceUUID);
+            validateDistributionServiceLifeCycleState(serviceToActivate);
+            OperationalEnvironmentEntry operationalEnvironmentEntry = validateOperationalEnvExists(opEnvId);
+            String workloadContext = validateWorkloadContext(data);
+            ActivationRequestInformation activationRequestInformation = new ActivationRequestInformation(serviceToActivate, workloadContext, operationalEnvironmentEntry.getTenant());
+            return Either.left(activationRequestInformation);
+        } catch (ValidationException e) {
+            log.error("failed while validating activate service UUID {} request. error {}", serviceUUID, e.getExceptionResponseFormat(), e);
+            return Either.right(e.getExceptionResponseFormat());
+        }
+    }
+
+    private Service validateServiceExists(String serviceUUID) {
+        if (StringUtils.isEmpty(serviceUUID.trim())) {
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.BAD_REQUEST_MISSING_RESOURCE);
+            throw new ValidationException(responseFormat);
+        }
+        Either<Component, StorageOperationStatus> latestComponentByUuid = toscaOperationFacade.getLatestServiceByUuid(serviceUUID);
+        if (latestComponentByUuid.isRight()) {
+            log.error("failed retrieving service {}", serviceUUID);
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.API_RESOURCE_NOT_FOUND, ApiResourceEnum.SERVICE_ID.getValue());
+            throw new ValidationException(responseFormat);
+        }
+        return (Service)latestComponentByUuid.left().value();
+    }
+
+    private String validateWorkloadContext(ServiceDistributionReqInfo data) {
+        String workloadContext = data.getWorkloadContext();
+        if (workloadContext == null || workloadContext.isEmpty()) {
+            log.error("workload context does not exist on data to distribute");
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.MISSING_BODY);
+            throw new ValidationException(responseFormat);
+        }
+        return workloadContext;
+    }
+
+    private OperationalEnvironmentEntry validateOperationalEnvExists(String opEnvId) {
+        if (StringUtils.isEmpty(opEnvId.trim())) {
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.BAD_REQUEST_MISSING_RESOURCE);
+            throw new ValidationException(responseFormat);
+        }
+        OperationalEnvironmentEntry operationalEnvironment = distributionEngine.getEnvironmentById(opEnvId);
+        if (operationalEnvironment == null) {
+            return failOnEnvNotExist(opEnvId);
+        }
+        if (!operationalEnvironment.getStatus().equals(EnvironmentStatusEnum.COMPLETED.getName())) {
+            log.error("the operational environment is not ready to receive distributions. environment status: {}", operationalEnvironment.getStatus());
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.API_RESOURCE_NOT_FOUND , ApiResourceEnum.ENVIRONMENT_ID.getValue());
+            throw new ValidationException(responseFormat);
+        }
+        return operationalEnvironment;
+    }
+
+    private OperationalEnvironmentEntry failOnEnvNotExist(String opEnvId) {
+        return ValidationUtils.throwValidationException(componentsUtils.getResponseFormat(ActionStatus.API_RESOURCE_NOT_FOUND, ApiResourceEnum.ENVIRONMENT_ID.getValue()), "failed to get operational environment {}", opEnvId);
+    }
+
+    private void validateServiceState(Service service, List<LifecycleStateEnum> allowedStates) {
+        LifecycleStateEnum state = service.getLifecycleState();
+        if (!allowedStates.contains(state)) {
+            log.error("service {} life cycle state {} is not valid for distribution", service.getUniqueId(), service.getLifecycleState());
+            ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.INVALID_SERVICE_STATE);
+            throw new ValidationException(responseFormat);
+        }
+    }
+    private void validateUserExists(String userId) {
+        userValidations.validateUserExists(userId, "activate Distribution", false)
+                .left().on(responseFormat ->  ValidationUtils.throwValidationException(responseFormat, "user {} not exist", userId));
+    }
+
+    private void validateDistributionServiceLifeCycleState(Service serviceToActivate) {
+        validateServiceState(serviceToActivate,
+                Arrays.asList(LifecycleStateEnum.CERTIFICATION_IN_PROGRESS, LifecycleStateEnum.CERTIFIED));
+    }
+}