ysjj-system/app/controller/home/products.js

'use strict';
const shopController = require('./shop.js');
// 商品接口控制器
module.exports = class ProductsController extends shopController {

  // 使用模型
  get useModel() {
    const that = this;
    return that.app.model.Products;
  }

  /**
   * [detailValidate 查看商品详情验证器]
   * @return {[type]} [description]
   */
  get detailValidate() {
    const that = this;
    return {
      product_id: that.ctx.rules.name('商品ID')
        .required()
        .number(),
    };
  }

  // 商品搜索验证器
  get searchValidate() {
    const that = this;
    return {
      keyword: that.ctx.rules.name('商品关键字')
        .required()
        .trim()
        .notEmpty(),
    };
  }

  /**
   * [commentValidate 商品评论]
   * @return {[type]} [description]
   */
  get commentValidate() {
    const that = this;
    return {
      order_id: that.ctx.rules.name('订单ID')
        .required()
        .notEmpty()
        .number(),
      product_id: that.ctx.rules.name('商品ID')
        .required()
        .notEmpty()
        .number(),
      product_rate: that.ctx.rules.name('商品评分')
        .required()
        .notEmpty()
        .number(),
      user_id: that.ctx.rules.default(that.service.shop.getWebUserId())
        .number(),
      comment: that.ctx.rules.name('评论内容')
        .required(),
      create_time: that.ctx.rules.default(that.app.szjcomo.date('Y-m-d H:i:s'))
        .required(),
    };
  }

  /**
   * [commentListValidate 获取商品评论列表]
   * @return {[type]} [description]
   */
  get commentListValidate() {
    const that = this;
    return {
      product_id: that.ctx.rules.name('商品ID')
        .required()
        .notEmpty()
        .number(),
      page: that.ctx.rules.default(1)
        .number(),
      limit: that.ctx.rules.default(50)
        .number(),
    };
  }

  /**
   * [homeProduct 获取首页商品]
   * @return {[type]} [description]
   */
  async homeProduct() {
    const that = this;
    try {
      const seq = that.app.Sequelize;
      const result = await that.useModel.findAll({
        offset: 0, limit: 100,
        where: { is_home: 1, product_stock: { [seq.Op.gte]: 1 }, is_sale: 1 },
        attributes: [ 'product_id', 'category_id', 'product_name', 'product_image', 'shop_price', 'market_price', 'is_new', 'is_hot' ],
        order: [[ 'is_hot', 'desc' ], [ 'is_new', 'desc' ], [ 'product_stock', 'desc' ], [ 'category_id', 'asc' ]],
      });
      return that.ctx.appJson(that.app.szjcomo.appResult('SUCCESS', result, false));
    } catch (err) {
      return that.ctx.appJson(that.app.szjcomo.appResult(err.message));
    }
  }

  /**
   * [search 商品搜索]
   * @return {[type]} [description]
   */
  async search() {
    const that = this;
    try {
      const data = await that.ctx.validate(that.searchValidate, await that.ctx.getParse());
      const result = await that.useModel.findAll({
        offset: 0, limit: 100, order: [[ 'product_id', 'desc' ]],
        where: { product_name: { [that.app.Sequelize.Op.regexp]: data.keyword }, is_sale: 1 },
        attributes: [ 'product_id', 'category_id', 'product_name', 'product_image', 'shop_price', 'market_price', 'is_new', 'is_hot' ],
      });
      return that.ctx.appJson(that.app.szjcomo.appResult('SUCCESS', result, false));
    } catch (err) {
      return that.ctx.appJson(that.app.szjcomo.appResult(err.message));
    }
  }

  /**
   * [detail 查看商品详情]
   * @return {[type]} [description]
   */
  async detail() {
    const that = this;
    try {
      const seq = that.app.Sequelize;
      const data = await that.ctx.validate(that.detailValidate, await that.ctx.getParse());
      const result = await that.useModel.findOne({
        where: { product_id: data.product_id, is_sale: 1 },
        include: [
          { model: that.app.model.ProductContents, as: 'contents', attributes: [] },
          { model: that.app.model.ProductCarousels, as: 'carousels', attributes: [] },
          { model: that.app.model.ProductCategory, as: 'categorys', attributes: [] },
          { model: that.app.model.ProductSku, as: 'productSkus', attributes: { exclude: [ 'create_time' ] } },
        ],
        attributes: {
          include: [
            [ seq.col('categorys.category_name'), 'category_name' ],
            [ seq.col('contents.desction'), 'product_content' ],
            [ seq.col('carousels.content'), 'product_carouse' ],
          ],
          exclude: [ 'carousel_id', 'content_id', 'supplier_id', 'admin_id', 'update_time', 'create_time' ],
        },
      });
      if (result) result.setDataValue('spes', await that.detailSpes(data.product_id));
      // let real_total = await that.service.shop.productSaleCount(data.product_id);
      if (result) result.setDataValue('product_sale_count', Number(result.sale_count));
      return that.ctx.appJson(that.app.szjcomo.appResult('SUCCESS', result, false));
    } catch (err) {
      return that.ctx.appJson(that.app.szjcomo.appResult(err.message));
    }
  }

  /**
   * [detailSpes 获取商品规格]
   * @param  {Number} product_id [description]
   * @return {[type]}            [description]
   */
  async detailSpes(product_id = 0) {
    const that = this;
    const seq = that.app.Sequelize;
    const result = await that.app.model.ProductSpes.findAll({
      where: { product_id },
      include: [
        { model: that.app.model.ProductTypesItem, as: 'product_types_item', attributes: [] },
      ],
      attributes: {
        include: [[ seq.col('product_types_item.item_name'), 'item_name' ]],
        exclude: [ 'product_id', 'item_id', 'admin_id', 'create_time', 'update_time', 'spe_id' ],
      },
    });
    return result;
  }

  /**
   * [comment 商品评论]
   * @return {[type]} [description]
   */
  async comment() {
    const that = this;
    let transaction;
    try {
      const data = await that.ctx.validate(that.commentValidate, await that.ctx.postParse());
      transaction = await that.app.model.transaction();
      const createBean = await that.app.comoBean.instance(data);
      const result = await that.service.base.create(createBean, that.app.model.ProductComment, '商品评论添加失败,请稍候重试');
      const updateBean = await that.app.comoBean.instance({
        order_status: 4,
        success_time: that.app.szjcomo.date('Y-m-d H:i:s'),
      }, {
        where: {
          order_id: data.order_id,
        }, transaction,
      });
      await that.service.base.update(updateBean, that.app.model.Orders, '更新订单交易完成失败,请稍候重试');
      await that.service.order.orderAction({
        order_id: data.order_id,
        admin_id: 0,
        action_desc: '商品进行评价',
      }, transaction);
      await transaction.commit();
      return that.ctx.appJson(that.app.szjcomo.appResult('SUCCESS', result, false));
    } catch (err) {
      if (transaction) await transaction.rollback();
      return that.ctx.appJson(that.app.szjcomo.appResult(err.message));
    }
  }

  /**
   * [commentList 商品评论列表]
   * @return {[type]} [description]
   */
  async commentList() {
    const that = this;
    try {
      const data = await that.ctx.validate(that.commentListValidate, await that.ctx.getParse());
      const seq = that.app.Sequelize;
      const selectBean = await that.app.comoBean.instance(data, {
        offset: (data.page - 1) * data.limit, limit: data.limit, where: { product_id: data.product_id, status: 1 },
        include: [
          { model: that.app.model.Users, as: 'users', attributes: [] },
        ],
        attributes: [
          [ seq.col('users.nickname'), 'nickname' ], [ seq.col('users.account_name'), 'account_name' ],
          [ seq.col('users.headimgurl'), 'headimgurl' ], 'comment', 'create_time',
        ],
        order: [[ 'comment_id', 'desc' ]],
      });
      const result = await that.service.base.select(selectBean, that.app.model.ProductComment, '查询商品评论失败,请稍候重试', true, true);
      return that.ctx.appJson(that.app.szjcomo.appResult('SUCCESS', result, false));
    } catch (err) {
      return that.ctx.appJson(that.app.szjcomo.appResult(err.message));
    }
  }
};