fohow_xcx/pages/helpfarm/count/count.js

var _request = require('../../../utils/request.js')
Page({
  data: {
    price: 0,
    count: 0,
    min: 0,
    retrieve: 0,
    sell: 0,
    self_count: 1,
    re_count: 1,
    re_max: 0,
    re_price: 0,
    sell_sount: 0,
    all: 0
  },
  onLoad: function (options) {
    console.log(options)
    this.setData({
      price: Number(options.price),
      count: Number(options.count),
      min: Number(options.min) * ((Number(options.count) - Number(options.minlimit)) / Number(options.limit) + 1),
      retrieve: Number(options.retrieve),
      sell: Number(options.sell),
      re_max: Number(options.remax),
      re_price: Number(options.reprice)
    })
    this.setData({
      self_count: this.data.min
    })
    if (Number(options.count) - this.data.min > this.data.re_max) {
      this.setData({
        re_count: this.data.re_max
      })
    } else {
      this.setData({
        re_count: Number(options.count) - this.data.min
      })
    }
    this.setData({
      sell_sount: this.data.count - this.data.self_count - this.data.re_count
    })
    this.changeSell()
  },
  selfSub: function () {
    if (this.data.self_count > this.data.min) {
      let count = this.data.self_count - 1
      this.setData({
        self_count: count
      })
      this.changeSell()
    }
  },
  selfAdd: function () {
    if (this.data.self_count + this.data.re_count >= this.data.count && this.data.re_count > 0) {
      let add = this.data.self_count + 1
      let sub = this.data.re_count - 1
      this.setData({
        self_count: add,
        re_count: sub
      })
      this.changeSell()
    } else if (this.data.self_count + this.data.re_count < this.data.count) {
      let add = this.data.self_count + 1
      this.setData({
        self_count: add
      })
      this.changeSell()
    }
  },
  reSub: function () {
    if (this.data.re_count > 0) {
      let count = this.data.re_count - 1
      this.setData({
        re_count: count
      })
      this.changeSell()
    }
  },
  reAdd: function () {
    if (this.data.re_count < this.data.re_max) {
      if (this.data.self_count + this.data.re_count >= this.data.count && this.data.self_count > this.data.min) {
        let add = this.data.re_count + 1
        let sub = this.data.self_count - 1
        this.setData({
          re_count: add,
          self_count: sub
        })
        this.changeSell()
      } else if (this.data.self_count + this.data.re_count < this.data.count) {
        let add = this.data.re_count + 1
        this.setData({
          re_count: add
        })
        this.changeSell()
      }
    }
  },
  changeSell: function () {
    this.setData({
      sell_sount: this.data.count - this.data.self_count - this.data.re_count
    })
    // var a = ((((this.data.price / this.data.count * (this.data.re_count * (this.data.retrieve + 1) + this.data.self_count) + this.data.sell * this.data.sell_sount) / this.data.price) - 1) * 100).toFixed(2)
    var a = ((((this.data.price / this.data.count * this.data.self_count + this.data.re_count * this.data.re_price + this.data.sell * this.data.sell_sount) / this.data.price) - 1) * 100).toFixed(2)
    this.setData({
      all: a
    })
  },
  onShareAppMessage: function (val) {
    return _request.share({
      sc: 'helpfarm_calculate'
    })
  }
})