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package org.onap.vid.controllers;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.commons.lang3.tuple.Pair;
import org.json.simple.JSONArray;
import org.onap.portalsdk.core.controller.UnRestrictedBaseController;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.vid.changeManagement.*;
import org.onap.vid.exceptions.NotFoundException;
import org.onap.vid.model.ExceptionResponse;
import org.onap.vid.model.MsoExceptionResponse;
import org.onap.vid.mso.MsoResponseWrapper2;
import org.onap.vid.mso.MsoResponseWrapperInterface;
import org.onap.vid.mso.rest.Request;
import org.onap.vid.services.ChangeManagementService;
import org.onap.vid.services.WorkflowService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.WebApplicationException;
import java.util.Collection;
import java.util.Collections;
import static org.onap.vid.utils.Logging.getMethodName;
import static org.springframework.http.HttpStatus.*;
/**
* Controller to handle ChangeManagement feature requests.
*/
@RestController
@RequestMapping(ChangeManagementController.CHANGE_MANAGEMENT)
public class ChangeManagementController extends UnRestrictedBaseController {
public static final String VNF_WORKFLOW_RELATION = "vnf_workflow_relation";
public static final String CHANGE_MANAGEMENT = "change-management";
public static final String GET_VNF_WORKFLOW_RELATION = "get_vnf_workflow_relation";
public static final String SCHEDULER_BY_SCHEDULE_ID = "/scheduler/schedules/{scheduleId}";
private static final EELFLoggerDelegate LOGGER = EELFLoggerDelegate.getLogger(ChangeManagementController.class);
private String fromAppId;
private final WorkflowService workflowService;
private final ChangeManagementService changeManagementService;
private final ObjectMapper objectMapper;
@Autowired
public ChangeManagementController(WorkflowService workflowService, ChangeManagementService changeManagementService, ObjectMapper objectMapper) {
this.fromAppId = "VidChangeManagementController";
this.workflowService = workflowService;
this.changeManagementService = changeManagementService;
this.objectMapper = objectMapper;
}
@RequestMapping(value = {"/workflow"}, method = RequestMethod.GET)
public ResponseEntity<Collection<String>> getWorkflow(@RequestParam("vnfs") Collection<String> vnfs) {
Collection<String> result = this.workflowService.getWorkflowsForVNFs(vnfs);
return new ResponseEntity<>(result, OK);
}
@RequestMapping(value = {"/mso"}, method = RequestMethod.GET)
public ResponseEntity<Collection<Request>> getMSOChangeManagements() {
Collection<Request> result = this.changeManagementService.getMSOChangeManagements();
return new ResponseEntity<>(result, OK);
}
@RequestMapping(value = "/workflow/{vnfName}", method = RequestMethod.POST)
public ResponseEntity<String> changeManagement(@PathVariable("vnfName") String vnfName,
HttpServletRequest request,
@RequestBody ChangeManagementRequest changeManagmentRequest)
throws Exception {
return this.changeManagementService.doChangeManagement(changeManagmentRequest, vnfName);
}
@RequestMapping(value = "/uploadConfigUpdateFile", method = RequestMethod.POST)
public @ResponseBody ResponseEntity uploadConfigUpdateFile(@RequestPart("file") MultipartFile file)
throws Exception {
try {
String jsonString = this.changeManagementService.uploadConfigUpdateFile(file);
return new ResponseEntity<>(jsonString, HttpStatus.OK);
}
catch(WebApplicationException e){
return new ResponseEntity<>(handleException(e), HttpStatus.valueOf(e.getResponse().getStatus()));
}
catch (Exception e) {
return new ResponseEntity<>(handleException(e), INTERNAL_SERVER_ERROR);
}
}
@RequestMapping(value = {"/scheduler"}, method = RequestMethod.GET)
public ResponseEntity<JSONArray> getSchedulerChangeManagements() {
JSONArray result = this.changeManagementService.getSchedulerChangeManagements();
return new ResponseEntity<>(result, OK);
}
@RequestMapping(value = {SCHEDULER_BY_SCHEDULE_ID}, method = RequestMethod.DELETE)
public ResponseEntity deleteSchedule(@PathVariable("scheduleId") String scheduleId) {
Pair<String, Integer> result = this.changeManagementService.deleteSchedule(scheduleId);
return ResponseEntity.status(result.getRight()).build();
}
@RequestMapping(value = {GET_VNF_WORKFLOW_RELATION}, method = RequestMethod.POST)
public ResponseEntity getWorkflows(@RequestBody GetVnfWorkflowRelationRequest getVnfWorkflowRelationRequest) {
try {
GetWorkflowsResponse response = new GetWorkflowsResponse(changeManagementService.getWorkflowsForVnf(getVnfWorkflowRelationRequest));
return ResponseEntity.status(OK).body(response);
}
catch (NotFoundException exception) {
LOGGER.error(exception.getMessage(), exception);
return new ResponseEntity<>(new VnfWorkflowRelationResponse(Collections.singletonList(exception.getMessage())),HttpStatus.NOT_FOUND);
}
catch (Exception exception) {
return handleException(exception, "Failed to get workflows for vnf");
}
}
@RequestMapping(value = {VNF_WORKFLOW_RELATION}, method = RequestMethod.POST)
public ResponseEntity createWorkflowRelation(@RequestBody VnfWorkflowRelationRequest vnfWorkflowRelationRequest) {
VnfWorkflowRelationResponse vnfWorkflowRelationResponse;
try {
vnfWorkflowRelationResponse = changeManagementService.addVnfWorkflowRelation(vnfWorkflowRelationRequest);
}
catch (Exception exception) {
return handleException(exception, "Failed to add vnf to workflow relation");
}
return new ResponseEntity<>(vnfWorkflowRelationResponse, OK);
}
@RequestMapping(value = {VNF_WORKFLOW_RELATION}, method = RequestMethod.GET)
public ResponseEntity getAllWorkflowRelation() {
try {
VnfWorkflowRelationAllResponse vnfWorkflowRelationAllResponse = changeManagementService.getAllVnfWorkflowRelations();
return new ResponseEntity<>(vnfWorkflowRelationAllResponse, OK);
}
catch (Exception exception) {
return handleException(exception, "Failed to get all vnf to workflow relations");
}
}
@RequestMapping(value = {VNF_WORKFLOW_RELATION}, method = RequestMethod.DELETE)
public ResponseEntity deleteWorkflowRelation(@RequestBody VnfWorkflowRelationRequest vnfWorkflowRelationRequest) {
VnfWorkflowRelationResponse vnfWorkflowRelationResponse;
try {
vnfWorkflowRelationResponse = changeManagementService.deleteVnfWorkflowRelation(vnfWorkflowRelationRequest);
}
catch (Exception exception) {
return handleException(exception, "Failed to delete vnf from workflow relation");
}
return new ResponseEntity<>(vnfWorkflowRelationResponse, OK);
}
private ResponseEntity handleException(Exception exception, String msg) {
LOGGER.error(msg, exception);
return new ResponseEntity<>(new VnfWorkflowRelationResponse(Collections.singletonList(msg)), HttpStatus.INTERNAL_SERVER_ERROR);
}
private ExceptionResponse handleException(Exception e) {
return ControllersUtils.handleException(e, LOGGER);
}
@ExceptionHandler(Exception.class)
@ResponseStatus(value=OK) //return 200 for Backwards compatibility with the previous responses to scheduler
private MsoResponseWrapperInterface exceptionHandler(Exception e) {
return exceptionHandler(e, INTERNAL_SERVER_ERROR);
}
@ExceptionHandler({
javax.ws.rs.BadRequestException.class,
})
@ResponseStatus(value = OK) //return 200 for Backwards compatibility with the previous responses to scheduler
public MsoResponseWrapperInterface clientDerivedExceptionAsBadRequest(Exception e) {
// same handler, different HTTP Code
return exceptionHandler(e, BAD_REQUEST);
}
private MsoResponseWrapperInterface exceptionHandler(Exception e, HttpStatus httpStatus) {
LOGGER.error(EELFLoggerDelegate.errorLogger, "{}: {}", getMethodName(), ExceptionUtils.getMessage(e), e);
MsoResponseWrapper2<MsoExceptionResponse> responseWrapper2 = new MsoResponseWrapper2<>(httpStatus.value(), new MsoExceptionResponse(e));
return responseWrapper2;
}
}
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