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package me.chanjar.weixin.cp.bean.messagebuilder;

import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.cp.bean.WxCpMessage;
import me.chanjar.weixin.cp.bean.article.MpnewsArticle;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * mpnews类型的图文消息builder
 *  * 用法:
 * WxCustomMessage m = WxCustomMessage.MPNEWS().addArticle(article).toUser(...).build();
 * 
 *
 * @author Binary Wang
 */
public final class MpnewsBuilder extends BaseBuilder {
  private List articles = new ArrayList<>();

  private String mediaId;

  public MpnewsBuilder() {
    this.msgType = WxConsts.KefuMsgType.MPNEWS;
  }

  public MpnewsBuilder mediaId(String mediaId) {
    this.mediaId = mediaId;
    return this;
  }

  public MpnewsBuilder addArticle(MpnewsArticle... articles) {
    Collections.addAll(this.articles, articles);
    return this;
  }

  public MpnewsBuilder articles(List articles) {
    this.articles = articles;
    return this;
  }

  @Override
  public WxCpMessage build() {
    WxCpMessage m = super.build();
    m.setMpnewsArticles(this.articles);
    if (this.mediaId != null) {
      m.setMediaId(this.mediaId);
    }

    return m;
  }
}