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71 lines
2.4 KiB
Go
71 lines
2.4 KiB
Go
package serializer
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import (
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"fonchain-artshow/cmd/model"
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"fonchain-artshow/pkg/utils"
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"math"
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)
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func CalcPrice(artworks []*model.ArtworkPrice, ruler int32, totalPrice int64) (err error, save []*model.ArtworkPrice) {
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if totalPrice == 0 || ruler == 0 {
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return nil, artworks
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}
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save = make([]*model.ArtworkPrice, 0)
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var (
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needAddPriceArtworkIndex int
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currentArtworkRuler int
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currentTotalPrice int64
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maxRulerIndex int
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totalDiv float64
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)
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price := utils.FormatFloat(float64(totalPrice)/float64(ruler)/10, 2) * 10 // 用于计算的单价
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//ruler_price := math.Floor(float64(total_price)/float64(ruler)/10) * 10 // 保存的单价
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for i := 0; i < len(artworks); i++ {
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if currentArtworkRuler < int(artworks[i].Ruler) {
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currentArtworkRuler = int(artworks[i].Ruler)
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needAddPriceArtworkIndex = i
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maxRulerIndex = i
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} else if currentArtworkRuler == int(artworks[i].Ruler) {
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currentArtworkRuler = 0
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needAddPriceArtworkIndex = -1
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}
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artworks[i].RulerPrice = int64(price)
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artworks[i].Price = int64(price * float64(artworks[i].Ruler))
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artworkPrice := float64(artworks[i].Price) * 0.95
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artworkPrice, div1 := math.Modf(artworkPrice)
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artworks[i].ArtworkPrice = int64(artworkPrice)
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totalDiv += div1 // 小数点 省略掉的 0.5
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copyrightPrice := artworks[i].Price - artworks[i].ArtworkPrice
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artworks[i].CopyrightPrice = copyrightPrice
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currentTotalPrice += artworks[i].Price
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}
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if needAddPriceArtworkIndex == -1 {
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needAddPriceArtworkIndex = maxRulerIndex
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}
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artworks[needAddPriceArtworkIndex].RulerPrice = int64(price)
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artworks[needAddPriceArtworkIndex].FloatPrice = totalPrice - currentTotalPrice - artworks[needAddPriceArtworkIndex].Price
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artworks[needAddPriceArtworkIndex].Price = int64(float32(totalPrice) - float32(currentTotalPrice) + float32(artworks[needAddPriceArtworkIndex].Price))
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artworks[needAddPriceArtworkIndex].ArtworkPrice = int64((float64(artworks[needAddPriceArtworkIndex].Price) * 0.95) + totalDiv)
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artworks[needAddPriceArtworkIndex].CopyrightPrice = artworks[needAddPriceArtworkIndex].Price - artworks[needAddPriceArtworkIndex].ArtworkPrice
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return nil, artworks
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}
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func CalcReward(artworks []*model.ArtworkPrice, reward int64) (err error, save []*model.ArtworkPrice) {
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save = artworks
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if reward == 0 {
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return nil, artworks
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}
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for i := 0; i < len(artworks); i++ {
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artworks[i].ArtistPrice = reward * int64(artworks[i].Ruler)
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}
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return nil, save
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}
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