function convertResourceDeleteOperation()

in packages/extensions/openapi-to-typespec/src/transforms/transform-arm-resources.ts [519:607]
83 lines of code
17 McCabe index (conditional complexity)

function convertResourceDeleteOperation(
  resourceMetadata: ArmResource,
  operations: Record<string, Operation>,
): TspArmResourceOperation[] {
  const { isFullCompatible } = getOptions();

  if (resourceMetadata.DeleteOperation) {
    const operation = resourceMetadata.DeleteOperation;
    const swaggerOperation = operations[operation.OperationID];
    const isLongRunning = swaggerOperation.extensions?.["x-ms-long-running-operation"] ?? false;
    const armOperation = buildNewArmOperation(
      resourceMetadata,
      operation,
      swaggerOperation,
      isLongRunning ? "ArmResourceDeleteWithoutOkAsync" : "ArmResourceDeleteSync",
    );

    const finalStateVia =
      swaggerOperation.extensions?.["x-ms-long-running-operation-options"]?.["final-state-via"] ?? "location";
    armOperation.lroHeaders =
      isLongRunning && finalStateVia === "azure-async-operation" ? "Azure-AsyncOperation" : undefined;

    if (armOperation.lroHeaders && isFullCompatible) {
      armOperation.suppressions = armOperation.suppressions ?? [];
      armOperation.suppressions.push(getSuppressionWithCode(SuppressionCode.LroLocationHeader));
    }

    const asyncNames: NamesOfResponseTemplate = {
      _200Name: "ArmResponse",
      _200NameNoBody: "ArmDeletedResponse",
      _201Name: "ArmResourceCreatedResponse",
      _201NameNoBody: "CreatedResponse",
      _202Name: "ArmDeleteAcceptedLroResponse",
      _202NameNoBody: "ArmDeleteAcceptedLroResponse",
      _204Name: "ArmDeletedNoContentResponse",
    };
    const syncNames: NamesOfResponseTemplate = {
      _200Name: "ArmResponse",
      _200NameNoBody: "ArmDeletedResponse",
      _201Name: "ArmResourceCreatedSyncResponse",
      _201NameNoBody: "CreatedResponse",
      _202Name: "AcceptedResponse",
      _202NameNoBody: "AcceptedResponse",
      _204Name: "ArmDeletedNoContentResponse",
    };
    let responses = isLongRunning
      ? getTemplateResponses(swaggerOperation, asyncNames)
      : getTemplateResponses(swaggerOperation, syncNames);

    const templateAsyncResponses: TypespecTemplateModel[] = [
      {
        kind: "template",
        name: asyncNames._202NameNoBody,
      },
      {
        kind: "template",
        name: asyncNames._204Name,
      },
    ];
    const templateSyncResponses: TypespecTemplateModel[] = [
      {
        kind: "template",
        name: syncNames._200NameNoBody,
      },
      {
        kind: "template",
        name: syncNames._204Name,
      },
    ];
    if (isLongRunning && isSameResponses(responses, templateAsyncResponses)) responses = [];
    if (!isLongRunning && isSameResponses(responses, templateSyncResponses)) responses = [];
    if (armOperation.lroHeaders && responses) {
      const _202response = responses.find(
        (r) => r.name === asyncNames._202NameNoBody || r.name === asyncNames._202Name,
      );
      if (_202response) {
        _202response.arguments = [
          { kind: "object", name: "ArmAsyncOperationHeader & Azure.Core.Foundations.RetryAfterHeader" },
        ]; //TO-DO: do it in a better way
        armOperation.lroHeaders = undefined;
      }
    }
    if (responses.length > 0) armOperation.response = responses;

    buildSuppressionsForArmOperation(armOperation, asyncNames, syncNames);
    return [armOperation as TspArmResourceLifeCycleOperation];
  }
  return [];
}