fohow_xcx/pages/centcart/centcart.js

var _request = require('../../utils/request.js')
var _handle = require('../../utils/handle.js')
var validator = require('../../utils/validator.js')
Page({
  data: {
    orderId: 0,
    count:1,
    cartList:[],
    cartCount:0,
    cartTotal:0,
    checkeditems:'',
    checkeditemsnum:'',
    checkedtotal:0,
    selectedall:false,
    submitlock:false,
    x:0,
    currentX: 0,
    perpage:10,
    nowpage:1,
    cartMore:true
  },
  handleMovableChange: function(e) {
    // this.data.currentX = e.detail.x;
    this.data.currentX = e.detail.x;
    
  },
 
  handleTouchend: function(e) {
    this.isMove = true;
    let index = e.currentTarget.id;
    let clist = this.data.cartList;
//  if (this.data.currentX < -46) {
////    this.data.x = -92;
//    clist[index]['movex'] = -100;
//    this.setData({
//      cartList: clist
//    });
//  } else {
      clist[index]['movex'] = 0;
      this.setData({
        cartList: clist
      });
//  }
  },
  onLoad: function (options) {
//	this.getCartList();
  },
  onShow: function () {
  	this.setData({cartList:[]})
  	this.getCartList();
  	this.setData({
  		submitlock: false,
  		selectedall: false
  	});
//	this.getCartListAndSelected();
  },
  getCartList:function(){
  	console.log('getCartList')
  	var that = this
    var url = 'v1/products?ptype=cent_sale&&page='+that.data.nowpage+'&&per_page='+that.data.perpage
    var params = {}
    var success = function (res) {
      console.log(res)
    	if(res.data.list){
    		for(let i in res.data.list){
    			res.data.list[i]['movex'] = 0;
    			res.data.list[i]['IsBuy'] = false;
    			res.data.list[i]['count'] = 1;
    		}
    		that.setData({
    			cartMore: res.data.list_count > that.data.cartList.length,
	        cartList: that.data.cartList.concat(res.data.list || []),
	        cartCount: res.data.count,
	        cartTotal: res.data.total
	      })
    	}else{
    		wx.showToast({
	        title: '请先授权登录~',
	        icon: 'none',
	        duration: 2000
	      })
    	}
    }
    _request.$get(url, params, success)
  },
  onReachBottom: function () {
  	console.log('onreachbottom')
    if (this.data.cartMore) {
      var page = this.data.nowpage + 1
      this.setData({
        nowpage: page
      })
      this.getCartList()
    }
  },
  getCartListAndSelected:function(){
  	console.log('getCartList')
  	var that = this
    var url = 'v1/products?ptype=cent_sale&&page=1&&per_page=3'
    var params = {}
    var success = function (res) {
      console.log(res)
      for(let i in res.data.list){
      	res.data.list[i]['movex'] = 0;
    			res.data.list[i]['IsBuy'] = false;
    			res.data.list[i]['count'] = 1;
      }
    	if(res.data.list){
    		that.setData({
	        cartList: res.data.list,
	        cartCount: res.data.count,
	        cartTotal: res.data.total
	      })
//  		that.allSelect();
    	}else{
    		wx.showToast({
	        title: '请先授权登录~',
	        icon: 'none',
	        duration: 2000
	      })
    	}
    }
    _request.$get(url, params, success)
  },
  add: function (e) {
  	console.log('tapadd',e)
  	var itemid = e.currentTarget.dataset.id;
  	var itemcount = e.currentTarget.dataset.count;
  	console.log('itemcount',itemcount)
    if (itemcount) {
    	var index = e.currentTarget.dataset.index;
      var count = itemcount + 1;
      this.setData({
	      ['cartList[' + index + '].count']:count 
	    })
      this.checkSelected();
//    this.changeServercount(count,itemid);
    }
  },
  mius: function (e) {
  	console.log('tapmius',e)
  	var that = this;
  	var itemid = e.currentTarget.dataset.id;
  	var itemcount = e.currentTarget.dataset.count;
    if (itemcount > 1) {
      var count = itemcount - 1;
      var index = e.currentTarget.dataset.index;
      this.setData({
	      ['cartList[' + index + '].count']:count 
	    })
      this.checkSelected();
//    this.changeServercount(count,itemid);
    }/*else{
    	wx.showModal({
		  title: '提示',
		  content: '需要删除改商品吗？',
		  success: function (sm) {
		    if (sm.confirm) {
		        var url = "/v1/cart/mult_delele";
				    var params = {
				    	ids:itemid
				    }
				    var success = function (res) {
				      console.log(res)
				      if(res.data.result){
				      	
				      }
				      that.getCartList();
				    }
				    _request.$post(url, params, success);
		      } else if (sm.cancel) {
		        console.log('用户点击取消')
		      }
		    }
		  })
    }*/
  },
  delitem:function(e){
  	var that = this;
  	var itemid = e.currentTarget.dataset.id;
  	console.log('itemid',itemid);
//	wx.showModal({
//		  title: '提示',
//		  content: '需要删除改商品吗？',
//		  success: function (sm) {
//		    if (sm.confirm) {
//		        var url = "/v1/cart/mult_delele";
//				    var params = {
//				    	ids:itemid
//				    }
//				    var success = function (res) {
//				      console.log(res)
//				      if(res.data.result){
//				      	
//				      }
//				      that.getCartList();
//				    }
//				    _request.$post(url, params, success);
//		      } else if (sm.cancel) {
//		        console.log('用户点击取消')
//		      }
//		    }
//		  })
  },
  changeCount: function (val) {
    var count = val.detail.value
    var itemid = val.target.dataset.id;
    var index = val.target.dataset.index;
    if (count <= 0) {
    	this.setData({
	      ['cartList[' + index + '].count']:1 
	    })
    	this.checkSelected();
//    this.changeServercount(1,itemid);
    } /*else if (count > this.data.project.left_count) {
      this.setData({
        count: this.data.project.left_count
      })
      this.changeCountService(this.data.project.left_count,itemid)
    }*/ else {
    	this.setData({
	      ['cartList[' + index + '].count']:count 
	    })
    	this.checkSelected();
//    this.changeServercount(count,itemid);
    }
  },
  changeServercount:function(val,itemid){
  	console.log('changeCountService')
  	var that = this
    var url = "/v1/cart/change_nums/" + itemid + "/" + val
    var params = {}
    var success = function (res) {
      console.log(res)
      if(res.result){
      	//修改成功
      }
    }
    _request.$post(url, params, success);
    this.getCartList();
  },
  itemselected:function(e){
  	console.log(this)
  	var nowitems = this.data.selectedItems;
  	let index = e.currentTarget.dataset.index;
  	var bool = this.data.cartList[index].IsBuy;
  	console.log('bool',bool)
    this.setData({
      ['cartList[' + index + '].IsBuy']: !bool
    })
    
  	this.checkSelected();
  },
  allSelect:function(){
  	if(this.data.selectedall){
  		for(var i in this.data.cartList){
  			this.setData({
		      ['cartList[' + i + '].IsBuy']: false
		    })
  		}
  		this.setData({
	      selectedall: false
	    })
  	}else{
  		for(var i in this.data.cartList){
  			this.setData({
		      ['cartList[' + i + '].IsBuy']: true
		    })
  		}
  		this.setData({
	      selectedall: true
	    })
  	}
  	this.checkSelected();
  },
  checkSelected:function(){
  	var cartList = this.data.cartList;
  	var checkitem = '';
  	var checkitemnum = '';
  	var checktotal = 0;
  	var checkcount = 0;
//	console.log('cartList',cartList)
  	for(var i in cartList){
  		if(cartList[i].IsBuy){
  			checkitem = checkitem + cartList[i].id+',';
  			checkitemnum = checkitemnum + cartList[i].count+',';
  			checktotal = checktotal + (parseFloat(cartList[i].price) * parseInt(cartList[i].count));
  			checkcount = checkcount + parseInt(cartList[i].count);
  		}
  	}
  	checkitem = checkitem.substr(0,checkitem.length - 1);
  	checkitemnum = checkitemnum.substr(0,checkitemnum.length - 1);
  	
  	
  	this.setData({
		  checkeditems:checkitem,
		  checkeditemsnum:checkitemnum,
		  cartCount: checkcount,
    	cartTotal: checktotal
		})
//		this.mulChangeState();
  },
  mulChangeState:function(){
  	var that = this;
  	var itemid = this.data.checkeditems;
  	var itemnum = this.data.checkeditemsnum;
  	var url = "v1/cart/mult_change_state";
    var params = {
    	ids:itemid,
    	nums:itemnum
    }
    var success = function (res) {
      console.log('mulChangeState',res)
      if(res.data.result){
      	that.getCartList();
      }
    }
    _request.$post(url, params, success);
    
  },
  mulChangeStateToPay:function(){
  	var that = this;
  	var lock = this.data.submitlock;
  	if(!lock){
  		that.setData({submitlock: true})
  		var itemid = this.data.checkeditems;
	  	var itemnum = this.data.checkeditemsnum;
	  	var url = "v1/cent/order_mul";
	    var params = {
	    	ids:itemid,
	    	nums:itemnum
	    }
	    var success = function (res) {
	    	wx.showToast({
			    title: '正在跳转到结算页，请稍后~',
			    icon: 'none',
			    duration: 2000
			  })
	      console.log('mulChangeState',res)
	      if (res.data.order_id) {
	        wx.navigateTo({
	          url: '../pay/pay?orderId=' + res.data.order_id
	        })
	      }
	    }
	    var err = function(err){
	    	console.log(err)
	    	that.setData({submitlock: false})
	    }
	    _request.$post(url, params, success, err);
  	}
  	
    
  },
  toPay:function(){
  	
  	var that = this;
		var url = "/v1/cent/order_mul";
    var params = {}
    var success = function (res) {
      console.log(res)
  		if (res.data.order_id) {
        wx.navigateTo({
          url: '../pay/pay?orderId=' + res.data.order_id
        })
      }
    }
    _request.$get(url, params, success);
  },
  delSelected:function(){
  	var that = this;
  	var itemid = this.data.checkeditems;
  	if(itemid== ''){
  		wx.showToast({
        title: '没有选中任何商品~',
        icon: 'none',
        duration: 2000
      })
  	}else{
  		wx.showModal({
		  title: '提示',
		  content: '确定要删除选中的商品吗？',
		  success: function (sm) {
		    if (sm.confirm) {
		        var url = "/v1/cart/mult_delele";
				    var params = {
				    	ids:itemid
				    }
				    var success = function (res) {
				      console.log(res)
				      if(res.data.result){
				      	
				      }
				      that.getCartList();
				    }
				    _request.$post(url, params, success);
		      } else if (sm.cancel) {
		        console.log('用户点击取消')
		      }
		    }
		  })
  	}
  }
})