Hdpi 6585 new claim create new hearing #2198
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| Original file line number | Diff line number | Diff line change |
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| package uk.gov.hmcts.reform.pcs.camunda; | ||
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| import org.springframework.cloud.openfeign.FeignClient; | ||
| import org.springframework.http.MediaType; | ||
| import org.springframework.web.bind.annotation.PostMapping; | ||
| import org.springframework.web.bind.annotation.RequestHeader; | ||
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| @FeignClient(name = "camunda", url = "${camunda.url}") | ||
| public interface CamundaApi { | ||
| String SERVICE_AUTHORIZATION = "ServiceAuthorization"; | ||
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| @PostMapping( | ||
| value = "/message", | ||
| consumes = MediaType.APPLICATION_JSON_VALUE, | ||
| produces = MediaType.APPLICATION_JSON_VALUE) | ||
| void sendMessage(@RequestHeader(SERVICE_AUTHORIZATION) String serviceAuthorisation, | ||
| SendMessageRequest sendMessageRequest); | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,63 @@ | ||
| package uk.gov.hmcts.reform.pcs.camunda; | ||
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| import com.github.kagkarlsson.scheduler.task.CompletionHandler; | ||
| import com.github.kagkarlsson.scheduler.task.FailureHandler; | ||
| import com.github.kagkarlsson.scheduler.task.TaskDescriptor; | ||
| import com.github.kagkarlsson.scheduler.task.helper.CustomTask; | ||
| import com.github.kagkarlsson.scheduler.task.helper.Tasks; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.context.annotation.Bean; | ||
| import org.springframework.stereotype.Component; | ||
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| import java.time.Duration; | ||
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| @Slf4j | ||
| @Component | ||
| public class CamundaRequestTaskComponent { | ||
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| private static final String CAMUNDA_REQUEST_TASK_NAME = "camunda-request-task"; | ||
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| public static final TaskDescriptor<CamundaRequestTaskData> CAMUNDA_REQUEST_TASK_DESCRIPTOR = | ||
| TaskDescriptor.of(CAMUNDA_REQUEST_TASK_NAME, CamundaRequestTaskData.class); | ||
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| private final CamundaService camundaService; | ||
| private final int maxRetries; | ||
| private final Duration backoffDelay; | ||
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| public CamundaRequestTaskComponent(CamundaService camundaService, | ||
| @Value("${camunda.request.max-retries}") int maxRetries, | ||
| @Value("${camunda.request.backoff-delay-duration}") Duration backoffDelay) { | ||
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| this.camundaService = camundaService; | ||
| this.maxRetries = maxRetries; | ||
| this.backoffDelay = backoffDelay; | ||
| } | ||
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| @Bean | ||
| public CustomTask<CamundaRequestTaskData> camundaRequestTask() { | ||
| return Tasks.custom(CAMUNDA_REQUEST_TASK_DESCRIPTOR) | ||
| .onFailure( | ||
| FailureHandler.<CamundaRequestTaskData>maxRetries(maxRetries) | ||
| .withBackoff(backoffDelay) | ||
| .thenRemove(complete -> | ||
| log.warn( | ||
| "Execution has failed {} times. Giving up.", | ||
| complete.getExecution().consecutiveFailures | ||
| ) | ||
| )) | ||
| .execute((taskInstance, executionContext) -> { | ||
| CamundaRequestTaskData taskData = taskInstance.getData(); | ||
| log.debug("Executing Camunda request task for {}", taskData); | ||
| try { | ||
| camundaService.handleRequest(taskData); | ||
| return new CompletionHandler.OnCompleteRemove<>(); | ||
| } catch (Exception e) { | ||
| log.error("Failed to create Camunda request for: {}. Attempt {}/{}", | ||
| taskData, executionContext.getExecution().consecutiveFailures + 1, maxRetries, e); | ||
| throw e; | ||
| } | ||
| }); | ||
| } | ||
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|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package uk.gov.hmcts.reform.pcs.camunda; | ||
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| import lombok.AllArgsConstructor; | ||
| import lombok.Builder; | ||
| import lombok.Data; | ||
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| @Data | ||
| @Builder | ||
| @AllArgsConstructor | ||
| public class CamundaRequestTaskData { | ||
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| enum Action { | ||
| CREATE, | ||
| CANCEL | ||
| } | ||
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| private final Action action; | ||
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| private final long caseReference; | ||
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| private final TaskType taskType; | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,152 @@ | ||
| package uk.gov.hmcts.reform.pcs.camunda; | ||
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| import com.github.kagkarlsson.scheduler.SchedulerClient; | ||
| import lombok.AllArgsConstructor; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.springframework.stereotype.Service; | ||
| import uk.gov.hmcts.reform.authorisation.generators.AuthTokenGenerator; | ||
| import uk.gov.hmcts.reform.pcs.camunda.CamundaRequestTaskData.Action; | ||
| import uk.gov.hmcts.reform.pcs.ccd.CaseType; | ||
| import uk.gov.hmcts.reform.pcs.service.FeatureFlag; | ||
| import uk.gov.hmcts.reform.pcs.service.FeatureToggleService; | ||
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| import java.time.Clock; | ||
| import java.time.Instant; | ||
| import java.time.LocalDateTime; | ||
| import java.util.Map; | ||
| import java.util.UUID; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
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| import static java.time.format.DateTimeFormatter.ISO_LOCAL_DATE_TIME; | ||
| import static uk.gov.hmcts.reform.pcs.camunda.CamundaRequestTaskComponent.CAMUNDA_REQUEST_TASK_DESCRIPTOR; | ||
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| @Slf4j | ||
| @AllArgsConstructor | ||
| @Service | ||
| public class CamundaService { | ||
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| private final CamundaApi camundaApi; | ||
| private final AuthTokenGenerator authTokenGenerator; | ||
| private final SchedulerClient schedulerClient; | ||
| private final FeatureToggleService featureToggleService; | ||
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| private static final String CREATE = "createTaskMessage"; | ||
| private static final String CANCEL = "cancelTasks"; | ||
| private static final String UNCONFIGURED = "unconfigured"; | ||
| private static final String EMPTY_WARNINGS_LIST = "[]"; | ||
| private static final String CANCELLATION_PROCESS = "CASE_EVENT_CANCELLATION"; | ||
| private final Clock utcClock; | ||
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| public void createTask(long caseId, TaskType taskType) { | ||
| scheduleCamundaRequest(Action.CREATE, caseId, taskType); | ||
| } | ||
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| public void cancelTask(long caseId, TaskType taskType) { | ||
| scheduleCamundaRequest(Action.CANCEL, caseId, taskType); | ||
| } | ||
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| void handleRequest(CamundaRequestTaskData taskData) { | ||
| switch (taskData.getAction()) { | ||
| case CREATE -> requestTaskCreation(taskData.getCaseReference(), taskData.getTaskType()); | ||
| case CANCEL -> requestTaskCancellation(taskData.getCaseReference(), taskData.getTaskType()); | ||
| } | ||
| } | ||
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| private void scheduleCamundaRequest(Action action, long caseId, TaskType taskType) { | ||
| if (!featureToggleService.isEnabled(FeatureFlag.CASEWORKER_WA)) { | ||
| log.info("Skipped scheduling Camunda request for {}", caseId); | ||
| return; | ||
| } | ||
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| CamundaRequestTaskData taskData = CamundaRequestTaskData.builder() | ||
| .action(action) | ||
| .caseReference(caseId) | ||
| .taskType(taskType) | ||
| .build(); | ||
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| schedulerClient.scheduleIfNotExists( | ||
| CAMUNDA_REQUEST_TASK_DESCRIPTOR | ||
| .instance(UUID.randomUUID().toString()) | ||
| .data(taskData) | ||
| .scheduledTo(Instant.now(utcClock))); | ||
| } | ||
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| private void requestTaskCreation(Long caseId, TaskType taskType) { | ||
| if (!featureToggleService.isEnabled(FeatureFlag.CASEWORKER_WA)) { | ||
| log.info("Skipped creating task for {}", caseId); | ||
| return; | ||
| } | ||
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| log.info("Creating task for {}", caseId); | ||
| Map<String, DmnValue<?>> processVariables = new ConcurrentHashMap<>(); | ||
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| LocalDateTime delayUntil = LocalDateTime.now(utcClock); | ||
| LocalDateTime dueDate = delayUntil.plusDays(taskType.getWorkingDays()); | ||
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| processVariables.put("taskState", dmnStringValue(UNCONFIGURED)); | ||
| processVariables.put("caseTypeId", dmnStringValue(CaseType.getCaseType())); | ||
| processVariables.put("dueDate", dmnStringValue(dueDate.format(ISO_LOCAL_DATE_TIME))); | ||
| processVariables.put("workingDaysAllowed", dmnIntegerValue(taskType.getWorkingDays())); | ||
| processVariables.put("jurisdiction", dmnStringValue(CaseType.getJurisdictionId())); | ||
| processVariables.put("name", dmnStringValue(taskType.getName())); | ||
| processVariables.put("taskId", dmnStringValue(taskType.getId())); | ||
| processVariables.put("caseId", dmnStringValue(caseId.toString())); | ||
| processVariables.put("delayUntil", dmnStringValue(delayUntil.format(ISO_LOCAL_DATE_TIME))); | ||
| processVariables.put("hasWarnings", dmnBooleanValue(false)); | ||
| processVariables.put("warningList", dmnStringValue(EMPTY_WARNINGS_LIST)); | ||
| processVariables.put("__processCategory__" + taskType.getId(), dmnBooleanValue(true)); | ||
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| SendMessageRequest request = SendMessageRequest.builder() | ||
| .messageName(CREATE) | ||
| .processVariables(processVariables) | ||
| .build(); | ||
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| sendCamundaRequest(request, caseId); | ||
| } | ||
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| private void requestTaskCancellation(Long caseId, TaskType taskType) { | ||
| if (!featureToggleService.isEnabled(FeatureFlag.CASEWORKER_WA)) { | ||
| log.info("Skipped cancelling task for {}", caseId); | ||
| return; | ||
| } | ||
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| Map<String, DmnValue<?>> correlationKeys = new ConcurrentHashMap<>(); | ||
| correlationKeys.put("caseId", dmnStringValue(caseId.toString())); | ||
| correlationKeys.put("__processCategory__" + taskType.getId(), dmnBooleanValue(true)); | ||
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| Map<String, DmnValue<?>> processVariables = new ConcurrentHashMap<>(); | ||
| processVariables.put("cancellationProcess", dmnStringValue(CANCELLATION_PROCESS)); | ||
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| SendMessageRequest request = SendMessageRequest.builder() | ||
| .messageName(CANCEL) | ||
| .processVariables(processVariables) | ||
| .correlationKeys(correlationKeys) | ||
| .build(); | ||
|
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| sendCamundaRequest(request, caseId); | ||
| } | ||
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| private void sendCamundaRequest(SendMessageRequest request, long caseId) { | ||
| String s2sToken = authTokenGenerator.generate(); | ||
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| try { | ||
| log.info("Camunda request for case id {}: {}", caseId, request); | ||
| camundaApi.sendMessage(s2sToken, request); | ||
| } catch (Exception e) { | ||
| log.error("Failed to send Camunda request for caseId {}", caseId, e); | ||
| } | ||
| } | ||
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| private DmnValue<String> dmnStringValue(String value) { | ||
| return DmnValue.<String>builder().value(value).type("String").build(); | ||
| } | ||
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| private DmnValue<Integer> dmnIntegerValue(Integer value) { | ||
| return DmnValue.<Integer>builder().value(value).type("Integer").build(); | ||
| } | ||
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| private DmnValue<Boolean> dmnBooleanValue(Boolean value) { | ||
| return DmnValue.<Boolean>builder().value(value).type("Boolean").build(); | ||
| } | ||
|
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| } |
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To be reversed