server/protocols/webadmin/webadmin-jmap/src/main/java/org/apache/james/webadmin/data/jmap/RecomputeUserFastViewProjectionItemsRequestToTask.java

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package org.apache.james.webadmin.data.jmap;

import jakarta.inject.Inject;

import org.apache.james.core.Username;
import org.apache.james.task.Task;
import org.apache.james.user.api.UsersRepository;
import org.apache.james.user.api.UsersRepositoryException;
import org.apache.james.webadmin.tasks.TaskFromRequestRegistry;
import org.apache.james.webadmin.utils.ErrorResponder;
import org.eclipse.jetty.http.HttpStatus;

import spark.Request;

public class RecomputeUserFastViewProjectionItemsRequestToTask extends TaskFromRequestRegistry.TaskRegistration {
    @Inject
    RecomputeUserFastViewProjectionItemsRequestToTask(MessageFastViewProjectionCorrector corrector,
                                                      UsersRepository usersRepository) {

        super(Constants.TASK_REGISTRATION_KEY,
            request -> toTask(corrector, usersRepository, request));
    }

    private static Task toTask(MessageFastViewProjectionCorrector corrector, UsersRepository usersRepository, Request request) throws UsersRepositoryException {
        Username username = Username.of(request.params("username"));
        if (usersRepository.contains(username)) {
            return new RecomputeUserFastViewProjectionItemsTask(corrector, RunningOptionsParser.parse(request), username);
        }

        throw ErrorResponder.builder()
            .type(ErrorResponder.ErrorType.NOT_FOUND)
            .statusCode(HttpStatus.NOT_FOUND_404)
            .message("User '" + username.asString() + "' does not exists")
            .haltError();
    }
}