goods-detail.js

const app = getApp();
Page({
  data: {
    indicator_dots: false,
    indicator_color: 'rgba(0, 0, 0, .3)',
    indicator_active_color: '#e31c55',
    autoplay: true,
    circular: true,
    data_bottom_line_status: false,
    data_list_loding_status: 1,
    data_list_loding_msg: '',
    params: null,

    goods: null,
    goods_photo: [],
    goods_specifications_choose: [],
    goods_content_app: [],

    popup_status: false,
    goods_favor_text: '收藏',
    goods_favor_icon: '/images/goods-detail-favor-icon-0.png',
    temp_buy_number: 1,
    buy_event_type: 'buy',
    nav_submit_text: '立即购买',
    nav_submit_is_disabled: true,

    goods_spec_base_price: 0,
    goods_spec_base_original_price: 0,
    goods_spec_base_inventory: 0,
    goods_spec_base_images: '',

    show_field_price_text: null,

    goods_video_is_autoplay: false,
    common_app_is_use_mobile_detail: 1,

    // 限时秒杀插件
    common_app_is_limitedtimediscount: 0,
    plugins_limitedtimediscount_data: null,
    plugins_limitedtimediscount_is_show_time: true,
    plugins_limitedtimediscount_time_millisecond: 0,
    plugins_limitedtimediscount_timer: null,
    plugins_limitedtimediscount_timers: null,

    // 优惠劵
    plugins_coupon_data: null,

    // 购物车快捷导航
    quick_nav_cart_count: 0,
  },

  onLoad(params) {
    //params['goods_id']=2;
    this.setData({ params: params });
    this.init();
  },

  onShow() {
    swan.setNavigationBarTitle({ title: this.data.goods == null ? app.data.common_pages_title.goods_detail : this.data.goods.title });
  },

  // 获取数据列表
  init() {
    // 数据初始化
    this.setData({
      temp_attribute_active: {}
    });

    // 参数校验
    if ((this.data.params.goods_id || null) == null) {
      swan.stopPullDownRefresh();
      this.setData({
        data_bottom_line_status: false,
        data_list_loding_status: 2,
        data_list_loding_msg: '商品ID有误'
      });
    } else {
      var self = this;

      // 加载loding
      swan.showLoading({ title: '加载中...' });
      this.setData({
        data_list_loding_status: 1
      });

      swan.request({
        url: app.get_request_url("detail", "goods"),
        method: "POST",
        data: { goods_id: this.data.params.goods_id },
        dataType: "json",
        header: { 'content-type': 'application/x-www-form-urlencoded' },
        success: res => {
          swan.stopPullDownRefresh();
          swan.hideLoading();
          if (res.data.code == 0) {
            var data = res.data.data;
            self.setData({
              goods: data.goods,
              indicator_dots: data.goods.photo.length > 1,
              autoplay: data.goods.photo.length > 1,
              goods_photo: data.goods.photo,
              goods_specifications_choose: data.goods.specifications.choose || [],
              goods_content_app: data.goods.content_app || [],
              temp_buy_number: data.goods.buy_min_number || 1,
              goods_favor_text: data.goods.is_favor == 1 ? '已收藏' : '收藏',
              goods_favor_icon: '/images/goods-detail-favor-icon-' + data.goods.is_favor + '.png',
              nav_submit_text: (data.common_order_is_booking || 0) == 0 ? '立即购买' : '立即预约',
              data_bottom_line_status: true,
              data_list_loding_status: 3,
              nav_submit_is_disabled: data.goods.is_shelves == 1 && data.goods.inventory > 0 ? false : true,

              goods_spec_base_price: data.goods.price,
              goods_spec_base_original_price: data.goods.original_price,
              goods_spec_base_inventory: data.goods.inventory,
              goods_spec_base_images: data.goods.images,

              show_field_price_text: data.goods.show_field_price_text == '销售价' ? null : data.goods.show_field_price_text.replace(/<[^>]+>/g, "") || null,
              common_app_is_use_mobile_detail: data.common_app_is_use_mobile_detail || 0,

              common_app_is_limitedtimediscount: data.common_app_is_limitedtimediscount || 0,
              plugins_limitedtimediscount_data: data.plugins_limitedtimediscount_data || null,
              plugins_coupon_data: data.plugins_coupon_data || null,
              quick_nav_cart_count: data.common_cart_total || 0,
            });

            // 限时秒杀倒计时
            if (this.data.common_app_is_limitedtimediscount == 1 && this.data.plugins_limitedtimediscount_data != null) {
              this.plugins_limitedtimediscount_countdown();
            }

            // 标题
            swan.setNavigationBarTitle({ title: data.goods.title });

            // 不能选择规格处理
            this.goods_specifications_choose_handle_dont(0);

            // 页面信息设置
            this.set_page_info();

            if (data.goods.is_shelves != 1) {
              this.setData({
                nav_submit_text: '商品已下架',
                nav_submit_is_disabled: true
              });
            } else {
              if (data.goods.inventory <= 0) {
                this.setData({
                  nav_submit_text: '商品卖光了',
                  nav_submit_is_disabled: true
                });
              }
            }
          } else {
            self.setData({
              data_bottom_line_status: false,
              data_list_loding_status: 0,
              data_list_loding_msg: res.data.msg
            });
          }
        },
        fail: () => {
          swan.stopPullDownRefresh();
          swan.hideLoading();
          self.setData({
            data_bottom_line_status: false,
            data_list_loding_status: 2,
            data_list_loding_msg: '服务器请求出错'
          });

          app.showToast("服务器请求出错");
        }
      });
    }
  },

  // 不能选择规格处理
  goods_specifications_choose_handle_dont(key) {
    var temp_data = this.data.goods_specifications_choose || [];
    if (temp_data.length <= 0) {
      return false;
    }

    // 是否不能选择
    for (var i in temp_data) {
      for (var k in temp_data[i]['value']) {
        if (i > key) {
          temp_data[i]['value'][k]['is_dont'] = 'spec-dont-choose', temp_data[i]['value'][k]['is_disabled'] = '';
          temp_data[i]['value'][k]['is_active'] = '';
        }

        // 当只有一个规格的时候
        if (key == 0 && temp_data.length == 1) {
          temp_data[i]['value'][k]['is_disabled'] = (temp_data[i]['value'][k]['is_only_level_one'] || null) != null && (temp_data[i]['value'][k]['inventory'] || 0) <= 0 ? 'spec-items-disabled' : '';
        }
      }
    }
    this.setData({ goods_specifications_choose: temp_data });
  },

  // 下拉刷新
  onPullDownRefresh() {
    this.init();
  },

  // 进入商品属性事件
  good_attribute_nav_event(e) {
    swan.navigateTo({
      url: "/pages/goods-attribute/goods-attribute?data=" + JSON.stringify(this.data.goods_attribute_show)
    });
  },

  // 购买弹层关闭
  popup_close_event(e) {
    this.setData({ popup_status: false });
  },

  // 进入店铺
  shop_event(e) {
    swan.switchTab({
      url: '/pages/index/index'
    });
  },

  // 加入购物车
  cart_submit_event(e) {
    this.setData({ popup_status: true, buy_event_type: 'cart' });
  },

  // 立即购买
  buy_submit_event(e) {
    this.setData({ popup_status: true, buy_event_type: 'buy' });
  },

  // 收藏事件
  goods_favor_event(e) {
    var user = app.get_user_cache_info(this, 'goods_favor_event');
    // 用户未绑定用户则转到登录页面
    if (app.user_is_need_login(user)) {
      swan.navigateTo({
        url: "/pages/login/login?event_callback=init"
      });
      return false;
    } else {
      swan.showLoading({ title: '处理中...' });

      swan.request({
        url: app.get_request_url('favor', 'goods'),
        method: 'POST',
        data: { "id": this.data.goods.id },
        dataType: 'json',
        success: res => {
          swan.hideLoading();
          if (res.data.code == 0) {
            var status = this.data.goods.is_favor == 1 ? 0 : 1;
            this.setData({
              'goods.is_favor': status,
              goods_favor_text: status == 1 ? '已收藏' : '收藏',
              goods_favor_icon: '/images/goods-detail-favor-icon-' + status + '.png'
            });
            app.showToast(res.data.msg, "success");
          } else {
            app.showToast(res.data.msg);
          }
        },
        fail: () => {
          swan.hideLoading();

          app.showToast('服务器请求出错');
        }
      });
    }
  },

  // 加入购物车事件
  goods_cart_event(e, spec) {
    var user = app.get_user_cache_info(this, 'goods_cart_event');
    // 用户未绑定用户则转到登录页面
    if (app.user_is_need_login(user)) {
      swan.navigateTo({
        url: "/pages/login/login?event_callback=init"
      });
      return false;
    } else {
      swan.showLoading({ title: '处理中...' });
      swan.request({
        url: app.get_request_url('save', 'cart'),
        method: 'POST',
        data: { "goods_id": this.data.goods.id, "stock": this.data.temp_buy_number, "spec": JSON.stringify(spec) },
        dataType: 'json',
        success: res => {
          swan.hideLoading();
          if (res.data.code == 0) {
            this.setData({ quick_nav_cart_count: this.data.quick_nav_cart_count + this.data.temp_buy_number});
            this.popup_close_event();
            app.showToast(res.data.msg, "success");
          } else {
            app.showToast(res.data.msg);
          }
        },
        fail: () => {
          swan.hideLoading();

          app.showToast('服务器请求出错');
        }
      });
    }
  },

  // 规格事件
  goods_specifications_event(e) {
    var key = e.currentTarget.dataset.key || 0;
    var keys = e.currentTarget.dataset.keys || 0;
    var temp_data = this.data.goods_specifications_choose;
    var temp_images = this.data.goods_spec_base_images;

    // 不能选择和禁止选择跳过
    if ((temp_data[key]['value'][keys]['is_dont'] || null) == null && (temp_data[key]['value'][keys]['is_disabled'] || null) == null) {
      // 规格选择
      for (var i in temp_data) {
        for (var k in temp_data[i]['value']) {
          if ((temp_data[i]['value'][k]['is_dont'] || null) == null && (temp_data[i]['value'][k]['is_disabled'] || null) == null) {
            if (key == i) {
              if (keys == k && (temp_data[i]['value'][k]['is_active'] || null) == null) {
                temp_data[i]['value'][k]['is_active'] = 'spec-active';
                if ((temp_data[i]['value'][k]['images'] || null) != null) {
                  temp_images = temp_data[i]['value'][k]['images'];
                }
              } else {
                temp_data[i]['value'][k]['is_active'] = '';
              }
            }
          }
        }
      }
      this.setData({ goods_specifications_choose: temp_data, goods_spec_base_images: temp_images, temp_buy_number: this.data.goods.buy_min_number || 1 });

      // 不能选择规格处理
      this.goods_specifications_choose_handle_dont(key);

      // 获取下一个规格类型
      this.get_goods_specifications_type(key);

      // 获取规格详情
      this.get_goods_specifications_detail();
    }
  },

  // 获取下一个规格类型
  get_goods_specifications_type(key) {
    var temp_data = this.data.goods_specifications_choose;
    var active_index = key + 1;
    var sku_count = temp_data.length;

    if (active_index <= 0 || active_index >= sku_count) {
      return false;
    }

    // 获取规格值
    var spec = [];
    for (var i in temp_data) {
      for (var k in temp_data[i]['value']) {
        if ((temp_data[i]['value'][k]['is_active'] || null) != null) {
          spec.push({ "type": temp_data[i]['name'], "value": temp_data[i]['value'][k]['name'] });
          break;
        }
      }
    }
    if (spec.length <= 0) {
      return false;
    }

    // 获取数据
    swan.request({
      url: app.get_request_url('spectype', 'goods'),
      method: 'POST',
      data: { "id": this.data.goods.id, "spec": JSON.stringify(spec) },
      dataType: 'json',
      success: res => {
        if (res.data.code == 0) {
          var spec_count = spec.length;
          var index = spec_count > 0 ? spec_count : 0;
          if (index < sku_count) {
            for (var i in temp_data) {
              for (var k in temp_data[i]['value']) {
                if (index == i) {
                  temp_data[i]['value'][k]['is_dont'] = '';
                  var temp_value = temp_data[i]['value'][k]['name'];
                  var temp_status = false;
                  for (var t in res.data.data) {
                    if (res.data.data[t] == temp_value) {
                      temp_status = true;
                      break;
                    }
                  }
                  if (temp_status == true) {
                    temp_data[i]['value'][k]['is_disabled'] = '';
                  } else {
                    temp_data[i]['value'][k]['is_disabled'] = 'spec-items-disabled';
                  }
                }
              }
            }
            this.setData({ goods_specifications_choose: temp_data });
          }
        } else {
          app.showToast(res.data.msg);
        }
      },
      fail: () => {
        app.showToast("服务器请求出错");
      }
    });
  },

  // 获取规格详情
  get_goods_specifications_detail() {
    // 是否全部选中
    var temp_data = this.data.goods_specifications_choose;
    var sku_count = temp_data.length;
    var active_count = 0;

    // 获取规格值
    var spec = [];
    for (var i in temp_data) {
      for (var k in temp_data[i]['value']) {
        if ((temp_data[i]['value'][k]['is_active'] || null) != null) {
          active_count++;
          spec.push({ "type": temp_data[i]['name'], "value": temp_data[i]['value'][k]['name'] });
          break;
        }
      }
    }
    if (spec.length <= 0 || active_count < sku_count) {
      this.setData({
        goods_spec_base_price: this.data.goods.price,
        goods_spec_base_original_price: this.data.goods.original_price,
        goods_spec_base_inventory: this.data.goods.inventory
      });
      return false;
    }

    // 获取数据
    swan.request({
      url: app.get_request_url('specdetail', 'goods'),
      method: 'POST',
      data: { "id": this.data.goods.id, "spec": JSON.stringify(spec) },
      dataType: 'json',
      success: res => {
        if (res.data.code == 0) {
          this.setData({
            goods_spec_base_price: res.data.data.price,
            goods_spec_base_original_price: res.data.data.original_price,
            goods_spec_base_inventory: res.data.data.inventory
          });
        } else {
          app.showToast(res.data.msg);
        }
      },
      fail: () => {
        app.showToast("服务器请求出错");
      }
    });
  },

  // 数量输入事件
  goods_buy_number_blur(e) {
    var buy_number = parseInt(e.detail.value) || 1;
    this.setData({ temp_buy_number: buy_number });
    this.goods_buy_number_func(buy_number);
  },

  // 数量操作事件
  goods_buy_number_event(e) {
    var type = parseInt(e.currentTarget.dataset.type) || 0;
    var temp_buy_number = parseInt(this.data.temp_buy_number);
    if (type == 0) {
      var buy_number = temp_buy_number - 1;
    } else {
      var buy_number = temp_buy_number + 1;
    }
    this.goods_buy_number_func(buy_number);
  },

  // 数量处理方法
  goods_buy_number_func(buy_number) {
    var buy_min_number = parseInt(this.data.goods.buy_min_number) || 1;
    var buy_max_number = parseInt(this.data.goods.buy_max_number) || 0;
    var inventory = parseInt(this.data.goods_spec_base_inventory);
    var inventory_unit = this.data.goods.inventory_unit;
    if (buy_number < buy_min_number) {
      buy_number = buy_min_number;
      if (buy_min_number > 1) {
        app.showToast('起购' + buy_min_number + inventory_unit);
      }
    }
    if (buy_max_number > 0 && buy_number > buy_max_number) {
      buy_number = buy_max_number;
      app.showToast('限购' + buy_max_number + inventory_unit);
    }
    if (buy_number > inventory) {
      buy_number = inventory;
      app.showToast('库存数量' + inventory + inventory_unit);
    }
    this.setData({ temp_buy_number: buy_number });
  },

  // 确认
  goods_buy_confirm_event(e) {
    var user = app.get_user_cache_info(this, 'goods_buy_confirm_event');
    // 用户未绑定用户则转到登录页面
    if (app.user_is_need_login(user)) {
      swan.navigateTo({
        url: "/pages/login/login?event_callback=init"
      });
      return false;
    } else {
      // 属性
      var temp_data = this.data.goods_specifications_choose;
      var sku_count = temp_data.length;
      var active_count = 0;
      var spec = [];
      if (sku_count > 0) {
        for (var i in temp_data) {
          for (var k in temp_data[i]['value']) {
            if ((temp_data[i]['value'][k]['is_active'] || null) != null) {
              active_count++;
              spec.push({ "type": temp_data[i]['name'], "value": temp_data[i]['value'][k]['name'] });
            }
          }
        }
        if (active_count < sku_count) {
          app.showToast('请选择属性');
          return false;
        }
      }

      // 操作类型
      switch (this.data.buy_event_type) {
        case 'buy':
          // 进入订单确认页面
          var data = {
            "buy_type": "goods",
            "goods_id": this.data.goods.id,
            "stock": this.data.temp_buy_number,
            "spec": JSON.stringify(spec)
          };
          swan.navigateTo({
            url: '/pages/buy/buy?data=' + JSON.stringify(data)
          });
          this.popup_close_event();
          break;

        case 'cart':
          this.goods_cart_event(e, spec);
          break;

        default:
          app.showToast("操作事件类型有误");
      }
    }
  },

  // 详情图片查看
  goods_detail_images_view_event(e) {
    var value = e.currentTarget.dataset.value || null;
    if (value != null) {
      swan.previewImage({
        current: value,
        urls: [value]
      });
    }
  },
  // 商品相册图片查看
  goods_photo_view_event(e) {
    var index = e.currentTarget.dataset.index;
    var all = [];
    for (var i in this.data.goods_photo) {
      all.push(this.data.goods_photo[i]['images']);
    }
    swan.previewImage({
      current: all[index],
      urls: all
    });
  },

  // 视频播放
  goods_video_play_event(e) {
    this.setData({ goods_video_is_autoplay: true });
  },

  // 视频关闭
  goods_video_close_event(e) {
    this.setData({ goods_video_is_autoplay: false });
  },

  // 显示秒杀插件-倒计时
  plugins_limitedtimediscount_countdown() {
    // 销毁之前的任务
    clearInterval(this.data.plugins_limitedtimediscount_timer);
    clearInterval(this.data.plugins_limitedtimediscount_timers);

    // 定时参数
    var status = this.data.plugins_limitedtimediscount_data.time.status || 0;
    var msg = this.data.plugins_limitedtimediscount_data.time.msg || '';
    var hours = parseInt(this.data.plugins_limitedtimediscount_data.time.hours) || 0;
    var minutes = parseInt(this.data.plugins_limitedtimediscount_data.time.minutes) || 0;
    var seconds = parseInt(this.data.plugins_limitedtimediscount_data.time.seconds) || 0;
    var self = this;
    if (status == 1) {
      // 秒
      var timer = setInterval(function () {
        if (seconds <= 0) {
          if (minutes > 0) {
            minutes--;
            seconds = 59;
          } else if (hours > 0) {
            hours--;
            minutes = 59;
            seconds = 59;
          }
        } else {
          seconds--;
        }

        self.setData({
          'plugins_limitedtimediscount_data.time.hours': (hours < 10) ? '0' + hours : hours,
          'plugins_limitedtimediscount_data.time.minutes': (minutes < 10) ? '0' + minutes : minutes,
          'plugins_limitedtimediscount_data.time.seconds': (seconds < 10) ? '0' + seconds : seconds,
          plugins_limitedtimediscount_timer: timer,
        });

        if (hours <= 0 && minutes <= 0 && seconds <= 0) {
          // 停止时间
          clearInterval(timer);

          // 活动已结束
          self.setData({
            'plugins_limitedtimediscount_data.desc': '活动已结束',
            plugins_limitedtimediscount_is_show_time: false
          });
        }
      }, 1000);

      // 毫秒
      var count = 0;
      var timers = setInterval(function () {
        count++;
        self.setData({ plugins_limitedtimediscount_time_millisecond: count });
        if (count > 9) {
          count = 0;
        }
        if(self.data.plugins_limitedtimediscount_is_show_time == false) {
          clearInterval(timers);
        }
      }, 100);
      self.setData({
        plugins_limitedtimediscount_timers: timers,
      });
    } else {
      // 活动已结束
      self.setData({
        'plugins_limitedtimediscount_data.desc': msg,
        plugins_limitedtimediscount_is_show_time: false
      });
    }
  },

  // 页面销毁时执行
  onUnload: function () {
    clearInterval(this.data.plugins_limitedtimediscount_timer);
    clearInterval(this.data.plugins_limitedtimediscount_timers);
  },

  // 优惠劵领取事件
  coupon_receive_event(e) {
    var user = app.get_user_cache_info(this, "coupon_receive_event");
    // 用户未绑定用户则转到登录页面
    if (app.user_is_need_login(user)) {
      swan.redirectTo({
        url: "/pages/login/login?event_callback=coupon_receive_event"
      });
      return false;
    } else {
      var self = this;
      var index = e.currentTarget.dataset.index;
      var value = e.currentTarget.dataset.value;
      var temp_list = this.data.plugins_coupon_data.data;
      if (temp_list[index]['is_operable'] != 0) {
        swan.showLoading({ title: "处理中..." });
        swan.request({
          url: app.get_request_url("receive", "coupon"),
          method: "POST",
          data: { "coupon_id": value },
          dataType: "json",
          header: { 'content-type': 'application/x-www-form-urlencoded' },
          success: res => {
            swan.hideLoading();
            if (res.data.code == 0) {
              app.showToast(res.data.msg, "success");
              if (self.data.plugins_coupon_data.base != null && self.data.plugins_coupon_data.base.is_repeat_receive != 1) {
                temp_list[index]['is_operable'] = 0;
                temp_list[index]['is_operable_name'] = '已领取';
                self.setData({ 'plugins_coupon_data.data': temp_list });
              }
            } else {
              app.showToast(res.data.msg);
            }
          },
          fail: () => {
            swan.hideLoading();
            app.showToast("服务器请求出错");
          }
        });
      }
    }
  },

  // 自定义分享
  onShareAppMessage() {
    var user = app.get_user_cache_info(this, 'onShareAppMessage') || null;
    var user_id = (user != null && (user.id || null) != null) ? user.id : 0;
    return {
      title: app.data.application_title + '-' + this.data.goods.title,
      desc: app.data.application_describe,
      path: '/pages/goods-detail/goods-detail?goods_id=' +this.data.goods.id +'&referrer='+user_id
    };
  },

  // web页面信息设置
  set_page_info() {
    swan.setPageInfo({
      title: this.data.goods.seo_title || this.data.goods.title,
      keywords: this.data.goods.seo_keywords || this.data.goods.simple_desc || this.data.goods.title,
      articleTitle: this.data.goods.title,
      description: this.data.goods.seo_desc || app.data.application_describe,
      image: this.data.goods_photo.map(function (v) { return v.images;}).slice(0,3),
      video: ((this.data.goods.video || null) == null) ? [] : [{
                url: this.data.goods.video,
                duration: '100',
                image: this.data.goods.images
            }]
    });
  },

});