org.llorllale.youtrack.api.XmlUsersOfProject Maven / Gradle / Ivy

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/*
 * Copyright 2017 George Aristy
 *
 * 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.
 */

package org.llorllale.youtrack.api;

import java.io.IOException;
import java.util.stream.Stream;
import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClients;

import org.llorllale.youtrack.api.session.Session;
import org.llorllale.youtrack.api.session.UnauthorizedException;

/**
 * Default impl of {@link UsersOfProject}.
 *
 * @author George Aristy ([email protected])
 * @since 0.9.0
 */
final class XmlUsersOfProject implements UsersOfProject {
  private final Project project;
  private final Session session;
  private final Xml xml;
  private final HttpClient httpClient;

  /**
   * Primary ctor.
   * 
   * @param project the {@link Project} in scope
   * @param session the users's {@link Session}
   * @param xml the xml object received from YouTrack for this {@link #project() project}
   * @param httpClient the {@link HttpClient} to use
   * @since 0.9.0
   */
  XmlUsersOfProject(Project project, Session session, Xml xml, HttpClient httpClient) {
    this.project = project;
    this.session = session;
    this.xml = xml;
    this.httpClient = httpClient;
  }

  /**
   * Ctor.
   * 
   * @param project the {@link Project} in scope
   * @param session the users's {@link Session}
   * @param xml the xml object received from YouTrack for this {@link #project() project}
   * @since 1.0.0
   */
  XmlUsersOfProject(Project project, Session session, Xml xml) {
    this(project, session, xml, HttpClients.createDefault());
  }

  @Override
  public Project project() {
    return this.project;
  }

  @Override
  public User user(String login) throws IOException, UnauthorizedException {
    return new XmlUser(
        new XmlsOf(
            "/user",
            new HttpResponseAsResponse(
                this.httpClient.execute(
                    new HttpRequestWithSession(
                        this.session, 
                        new HttpGet(
                            this.session.baseUrl().toString().concat("/user/").concat(login)
                        )
                    )
                )
            )
        ).stream().findAny().get()
    );
  }

  @Override
  public Stream assignees() throws IOException, UnauthorizedException {
    return new StreamOf<>(
        new MappedCollection<>(
            () -> x -> this.user(x.textOf("@value").get()),
            this.xml.children("//assigneesLogin/sub")
        )
    );
  }
}