shopxo/sourcecode/toutiao/default/pages/buy/buy.js

const app = getApp();
Page({
  data: {
    data_list_loding_status: 1,
    buy_submit_disabled_status: false,
    data_list_loding_msg: '',
    params: null,
    payment_list: [],
    goods_list: [],
    address: null,
    address_id: null,
    total_price: 0,
    user_note_value: '',
    user_note_status: false,
    is_first: 1,
    extension_data: [],
    payment_id: 0,
    common_site_type: 0,
    extraction_address: [],
    site_model: 0,
    buy_header_nav: [
      { name: "快递邮寄", value: 0 },
      { name: "自提点取货", value: 2 }
    ],

    // 基础配置
    currency_symbol: app.data.currency_symbol,
    common_order_is_booking: 0,

    // 优惠劵
    plugins_coupon_data: null,
    plugins_use_coupon_ids: [],
    plugins_choice_coupon_value: [],
    popup_plugins_coupon_status: false,
    popup_plugins_coupon_index: null,

    // 积分
    plugins_points_data: null,
    plugins_points_status: false,
  },

  onLoad(params) {
    //params['data'] = '{"buy_type":"goods","goods_id":"1","stock":"1","spec":"[]"}';
    if((params.data || null) != null && app.get_length(JSON.parse(decodeURIComponent(params.data))) > 0)
    {
      this.setData({ params: JSON.parse(decodeURIComponent(params.data))});

      // 删除地址缓存
      tt.removeStorageSync(app.data.cache_buy_user_address_select_key);
    }
  },

  onShow() {
    tt.setNavigationBarTitle({ title: app.data.common_pages_title.buy });

    // 数据加载
    this.init();
    this.setData({ is_first: 0 });

    // 初始化配置
    this.init_config();
  },

  // 初始化配置
  init_config(status) {
    if((status || false) == true) {
      this.setData({
        currency_symbol: app.get_config('currency_symbol'),
        common_order_is_booking: app.get_config('config.common_order_is_booking'),
      });
    } else {
      app.is_config(this, 'init_config');
    }
  },

  // 获取数据
  init() {
    // 订单参数信息是否正确
    if (this.data.params == null) {
      this.setData({
        data_list_loding_status: 2,
        data_list_loding_msg: '订单信息有误'
      });
      tt.stopPullDownRefresh();
      return false;
    } // 本地缓存地址


    if (this.data.is_first == 0) {
      var cache_address = tt.getStorageSync(app.data.cache_buy_user_address_select_key);

      if ((cache_address || null) != null) {
        this.setData({
          address: cache_address,
          address_id: cache_address.id
        });
      }
    } // 加载loding


    tt.showLoading({
      title: '加载中...'
    });
    this.setData({
      data_list_loding_status: 1
    });
    var data = this.data.params;
    data['address_id'] = this.data.address_id;
    data['payment_id'] = this.data.payment_id;
    data['site_model'] = this.data.site_model;
    tt.request({
      url: app.get_request_url("index", "buy"),
      method: "POST",
      data: this.request_data_ext_params_merge(data),
      dataType: "json",
      success: res => {
        tt.stopPullDownRefresh();
        tt.hideLoading();

        if (res.data.code == 0) {
          var data = res.data.data;

          if (data.goods_list.length == 0) {
            this.setData({
              data_list_loding_status: 0
            });
          } else {
            this.setData({
              goods_list: data.goods_list,
              total_price: data.base.actual_price,
              extension_data: data.extension_data || [],
              data_list_loding_status: 3,
              common_site_type: data.common_site_type || 0,
              extraction_address: data.base.extraction_address || [],
              plugins_coupon_data: data.plugins_coupon_data || null,
              plugins_points_data: data.plugins_points_data || null,
            });

            // 优惠劵选择处理
            if ((data.plugins_coupon_data || null) != null) {
              var plugins_choice_coupon_value = [];

              for (var i in data.plugins_coupon_data) {
                var cupk = data.plugins_coupon_data[i]['warehouse_id'];

                if ((data.plugins_coupon_data[i]['coupon_data']['coupon_choice'] || null) != null) {
                  plugins_choice_coupon_value[cupk] = data.plugins_coupon_data[i]['coupon_data']['coupon_choice']['coupon']['desc'];
                } else {
                  var coupon_count = (data.plugins_coupon_data[i]['coupon_data']['coupon_list'] || null) != null ? data.plugins_coupon_data[i]['coupon_data'].coupon_list.length : 0;
                  plugins_choice_coupon_value[cupk] = coupon_count > 0 ? '可选优惠劵' + coupon_count + '张' : '暂无可用优惠劵';
                }
              }

              this.setData({
                plugins_choice_coupon_value: plugins_choice_coupon_value
              });
            } // 地址


            this.setData({
              address: data.base.address || null,
              address_id: (data.base.address || null) != null ? data.base.address.id : null
            });
            tt.setStorage({
              key: app.data.cache_buy_user_address_select_key,
              data: data.base.address || null
            }); // 支付方式

            this.payment_list_data(data.payment_list);
          }
        } else {
          this.setData({
            data_list_loding_status: 2,
            data_list_loding_msg: res.data.msg
          });

          if (app.is_login_check(res.data, this, 'init')) {
            app.showToast(res.data.msg);
          }
        }
      },
      fail: () => {
        tt.stopPullDownRefresh();
        tt.hideLoading();
        this.setData({
          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");
      }
    });
  },

  // 请求参数合并
  request_data_ext_params_merge(data) {
    // 优惠券
    var coupon_ids = this.data.plugins_use_coupon_ids;

    if ((coupon_ids || null) != null && coupon_ids.length > 0) {
      for (var i in coupon_ids) {
        data['coupon_id_' + i] = coupon_ids[i];
      }
    }

    // 积分
    data['is_points'] = (this.data.plugins_points_status === true) ? 1 : 0;

    return data;
  },

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

  // 用户留言事件
  bind_user_note_event(e) {
    this.setData({user_note_value: e.detail.value});
  },

  // 用户留言点击
  bind_user_note_tap_event(e) {
    this.setData({user_note_status: true});
  },

  // 用户留言失去焦点
  bind_user_note_blur_event(e) {
    this.setData({user_note_status: false});
  },

  // 提交订单
  buy_submit_event(e) {
    // 表单数据
    var data = this.data.params;
    data['address_id'] = this.data.address_id;
    data['payment_id'] = this.data.payment_id;
    data['user_note'] = this.data.user_note_value;
    data['site_model'] = this.data.site_model; // 数据验证

    var validation = [];

    if (this.data.common_site_type == 0 || this.data.common_site_type == 2 || this.data.common_site_type == 4) {
      validation.push({
        fields: 'address_id',
        msg: '请选择地址',
        is_can_zero: 1
      });
    }

    if (this.data.common_order_is_booking != 1) {
      validation.push({
        fields: 'payment_id',
        msg: '请选择支付方式'
      });
    }

    if (app.fields_check(data, validation)) {
      // 加载loding
      tt.showLoading({
        title: '提交中...'
      });
      this.setData({
        buy_submit_disabled_status: true
      });
      tt.request({
        url: app.get_request_url("add", "buy"),
        method: "POST",
        data: this.request_data_ext_params_merge(data),
        dataType: "json",
        success: res => {
          tt.hideLoading();

          if (res.data.code == 0) {
            if (res.data.data.order_status == 1) {
              tt.redirectTo({
                url: '/pages/user-order/user-order?is_pay=1&order_ids=' + res.data.data.order_ids.join(',')
              });
            } else {
              tt.redirectTo({
                url: '/pages/user-order/user-order'
              });
            }
          } else {
            app.showToast(res.data.msg);
            this.setData({
              buy_submit_disabled_status: false
            });
          }
        },
        fail: () => {
          tt.hideLoading();
          this.setData({
            buy_submit_disabled_status: false
          });
          app.showToast("服务器请求出错");
        }
      });
    }
  },

  // 支付方式选择
  payment_event(e) {
    this.setData({
      payment_id: e.currentTarget.dataset.value
    });
    this.payment_list_data(this.data.payment_list);
    this.init();
  },

  // 支付方式数据处理
  payment_list_data(data) {
    if (this.data.payment_id != 0) {
      for (var i in data) {
        if (data[i]['id'] == this.data.payment_id) {
          data[i]['selected'] = 'selected';
        } else {
          data[i]['selected'] = '';
        }
      }
    }

    this.setData({
      payment_list: data || []
    });
  },

  // 优惠劵弹层开启
  plugins_coupon_open_event(e) {
    var index = e.currentTarget.dataset.index;
    this.setData({
      popup_plugins_coupon_status: true,
      popup_plugins_coupon_index: index
    });
  },

  // 优惠劵弹层关闭
  plugins_coupon_close_event(e) {
    this.setData({
      popup_plugins_coupon_status: false
    });
  },

  // 优惠劵选择
  plugins_coupon_use_event(e) {
    var wid = e.currentTarget.dataset.wid;
    var value = e.currentTarget.dataset.value;
    var temp = this.data.plugins_use_coupon_ids; // 是否已选择优惠券id

    if (temp.indexOf(value) == -1) {
      temp[wid] = value;
      this.setData({
        plugins_use_coupon_ids: temp,
        popup_plugins_coupon_status: false
      });
      this.init();
    }
  },

  // 不使用优惠劵
  plugins_coupon_not_use_event(e) {
    var wid = e.currentTarget.dataset.wid;
    var temp = this.data.plugins_use_coupon_ids;
    temp[wid] = 0;
    this.setData({
      plugins_use_coupon_ids: temp,
      popup_plugins_coupon_status: false
    });
    this.init();
  },

  // 地址选择事件
  address_event(e) {
    if (this.data.common_site_type == 0 || this.data.common_site_type == 4 && this.data.site_model == 0) {
      tt.navigateTo({
        url: '/pages/user-address/user-address?is_back=1'
      });
    } else if (this.data.common_site_type == 2 || this.data.common_site_type == 4 && this.data.site_model == 2) {
      tt.navigateTo({
        url: '/pages/extraction-address/extraction-address?is_back=1'
      });
    } else {
      app.showToast('当前模式不允许使用地址');
    }
  },

  // 销售+自提 模式选择事件
  buy_header_nav_event(e) {
    var value = e.currentTarget.dataset.value || 0;

    if (value != this.data.site_model) {
      // 数据设置
      this.setData({
        address: null,
        address_id: null,
        site_model: value
      }); // 删除地址缓存

      tt.removeStorageSync(app.data.cache_buy_user_address_select_key); // 数据初始化

      this.init();
    }
  },

  // 地图查看
  map_event(e) {
    if((e.is_power || 0) == 0)
    {
      e['is_power'] = 1;
      app.auth_setting_authorize('scope.userLocation', this, 'map_event', e, '地理位置');
      return false;
    }
    
    var index = e.currentTarget.dataset.index || 0;
    var data = this.data.goods_list[index] || null;

    if (data == null) {
      app.showToast("地址有误");
      return false;
    }

    // 打开地图
    var name = data.alias || data.name || '';
    var address = (data.province_name || '') + (data.city_name || '') + (data.county_name || '') + (data.address || '');
    app.open_location(data.lng, data.lat, name, address);
  },

  // 积分选择事件
  points_event(e) {
    this.setData({plugins_points_status: !this.data.plugins_points_status});
    this.init();
  },
});