Reorganize dashboard into subfolders
[portal/ric-dashboard.git] / dashboard / webapp-backend / src / main / java / org / oransc / ric / portal / dashboard / controller / A1MediatorController.java
diff --git a/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/A1MediatorController.java b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/A1MediatorController.java
new file mode 100644 (file)
index 0000000..30f4092
--- /dev/null
@@ -0,0 +1,139 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.ric.portal.dashboard.controller;
+
+import java.lang.invoke.MethodHandles;
+import java.util.List;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.oransc.ric.a1med.client.api.A1MediatorApi;
+import org.oransc.ric.a1med.client.model.PolicyTypeSchema;
+import org.oransc.ric.portal.dashboard.DashboardApplication;
+import org.oransc.ric.portal.dashboard.DashboardConstants;
+import org.oransc.ric.portal.dashboard.config.A1MediatorApiBuilder;
+import org.oransc.ric.portal.dashboard.model.SuccessTransport;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.util.Assert;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+
+/**
+ * Proxies calls from the front end to the A1 Mediator API to get and put
+ * policies. All methods are deliberately kept ignorant of the data format.
+ * 
+ * If a method throws RestClientResponseException, it is handled by
+ * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
+ * which returns status 502. All other exceptions are handled by Spring which
+ * returns status 500.
+ */
+@RestController
+@RequestMapping(value = A1MediatorController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
+public class A1MediatorController {
+
+       private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+       // Publish paths in constants so tests are easy to write
+       public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/a1-p";
+       public static final String PP_TYPE_ID = "poltype";
+       public static final String PP_INST_ID = "polinst";
+       // The get- and put-instance methods use the same path
+       private static final String POLICY_INSTANCE_METHOD_PATH = /* controller path + */ DashboardConstants.RIC_INSTANCE_KEY
+                       + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + PP_TYPE_ID + "/{" + PP_TYPE_ID + "}/" + PP_INST_ID
+                       + "/{" + PP_INST_ID + "}";
+
+       // Populated by the autowired constructor
+       private final A1MediatorApiBuilder a1MediatorClientBuilder;
+
+       @Autowired
+       public A1MediatorController(final A1MediatorApiBuilder a1MediatorApiBuilder) {
+               Assert.notNull(a1MediatorApiBuilder, "builder must not be null");
+               this.a1MediatorClientBuilder = a1MediatorApiBuilder;
+               if (logger.isDebugEnabled())
+                       logger.debug("ctor: configured with builder type {}", a1MediatorApiBuilder.getClass().getName());
+       }
+
+       @ApiOperation(value = "Gets the A1 client library MANIFEST.MF property Implementation-Version.", response = SuccessTransport.class)
+       @GetMapping(DashboardConstants.VERSION_METHOD)
+       // No role required
+       public SuccessTransport getA1MediatorClientVersion() {
+               return new SuccessTransport(200, DashboardApplication.getImplementationVersion(A1MediatorApi.class));
+       }
+
+       @ApiOperation(value = "Gets the registered policy type IDs from the A1 Mediator", response = Integer.class, responseContainer = "List")
+       @GetMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + PP_TYPE_ID)
+       @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+       public List<Integer> getAllPolicyTypes(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey) {
+               logger.debug("getAllPolicyTypes: instance {}", instanceKey);
+               Object result = a1MediatorClientBuilder.getA1MediatorApi(instanceKey).a1ControllerGetAllPolicyTypes();
+               @SuppressWarnings("unchecked")
+               List<Integer> result2 = (List<Integer>) result;
+               return result2;
+       }
+
+       @ApiOperation(value = "Gets the specified policy type from the A1 Mediator", response = PolicyTypeSchema.class)
+       @GetMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + PP_TYPE_ID
+                       + "/{" + PP_TYPE_ID + "}")
+       @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+       public PolicyTypeSchema getPolicyType(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+                       @PathVariable(PP_TYPE_ID) Integer policyTypeId) {
+               logger.debug("getPolicyType: instance {} typeId {}", instanceKey, policyTypeId);
+               return a1MediatorClientBuilder.getA1MediatorApi(instanceKey).a1ControllerGetPolicyType(policyTypeId);
+       }
+
+       @ApiOperation(value = "Gets the specified policy instance from the A1 Mediator")
+       @GetMapping(POLICY_INSTANCE_METHOD_PATH)
+       @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+       public Object getPolicyInstance(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+                       @PathVariable(PP_TYPE_ID) Integer policyTypeId, //
+                       @PathVariable(PP_INST_ID) String policyInstanceId) {
+               logger.debug("getPolicyInstance: instance {} typeId {} instanceId {}", instanceKey, policyTypeId,
+                               policyInstanceId);
+               return a1MediatorClientBuilder.getA1MediatorApi(instanceKey).a1ControllerGetPolicyInstance(policyTypeId,
+                               policyInstanceId);
+       }
+
+       @ApiOperation(value = "Creates or replaces the specified policy instance at the A1 Mediator")
+       @PutMapping(POLICY_INSTANCE_METHOD_PATH)
+       @Secured({ DashboardConstants.ROLE_ADMIN })
+       public void createPolicyInstance(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+                       @PathVariable(PP_TYPE_ID) Integer policyTypeId, //
+                       @PathVariable(PP_INST_ID) String policyInstanceId,
+                       @ApiParam(value = "Policy body") @RequestBody String policyBody, //
+                       HttpServletResponse response) {
+               logger.debug("createPolicyInstance: instance {} typeId {} instanceId {}", instanceKey, policyTypeId,
+                               policyInstanceId);
+               A1MediatorApi api = a1MediatorClientBuilder.getA1MediatorApi(instanceKey);
+               api.a1ControllerCreateOrReplacePolicyInstance(policyTypeId, policyInstanceId, policyBody);
+               response.setStatus(api.getApiClient().getStatusCode().value());
+       }
+
+}