smart_canteen_consume/supply/svc/svc_goods_list.go

package svc

import (
	"applet/app/utils"
	"applet/supply/db/model"
	"applet/supply/md"
)

func GetMinProfitRate(skus []*model.MallSku) float64 {
	var (
		minProfit float64
	)
	for i, sku := range skus {
		priceF := utils.AnyToFloat64(sku.Price)
		linePriceF := utils.AnyToFloat64(sku.LinePrice)
		profitF := (linePriceF - priceF) / priceF
		if i == 0 {
			minProfit = profitF
		} else {
			if profitF < minProfit {
				minProfit = profitF
			}
		}
	}

	return minProfit
}

func GetMinPrice(skus []*model.MallSku) float64 {
	var (
		minPrice float64
	)
	for i, sku := range skus {
		priceF := utils.AnyToFloat64(sku.Price)
		if i == 0 {
			minPrice = priceF
		} else {
			if priceF < minPrice {
				minPrice = priceF
			}
		}
	}

	return minPrice
}

func GetGoodsRangeData(skus []model.MallSku) md.GoodsRangeData {
	var (
		result       md.GoodsRangeData
		minPrice     float64
		maxPrice     float64
		minLinePrice float64
		maxLinePrice float64
		minProfit    float64
		maxProfit    float64
		minWeight    float64
		maxWeight    float64
	)
	for i, sku := range skus {
		priceF := utils.AnyToFloat64(sku.Price)
		linePriceF := utils.AnyToFloat64(sku.LinePrice)
		weightF := utils.AnyToFloat64(sku.Weight)
		profitF := (linePriceF - priceF) / priceF * 100 // 利润空间
		if i == 0 {
			minPrice = priceF
			maxPrice = minPrice
			minLinePrice = linePriceF
			maxLinePrice = minLinePrice
			minProfit = profitF
			maxProfit = minProfit
			minWeight = weightF
			maxWeight = minWeight
		} else {
			if priceF < minPrice {
				minPrice = priceF
			}
			if priceF > maxPrice {
				maxPrice = priceF
			}

			if linePriceF < minLinePrice {
				minLinePrice = linePriceF
			}
			if linePriceF > maxLinePrice {
				maxLinePrice = linePriceF
			}

			if weightF < minWeight {
				minWeight = weightF
			}
			if weightF > maxWeight {
				maxWeight = weightF
			}

			if profitF < minProfit {
				minProfit = profitF
			}
			if profitF > maxProfit {
				maxProfit = profitF
			}
		}
	}
	if minPrice == maxPrice {
		result.PriceRange = utils.AnyToString(minPrice)
	} else {
		result.PriceRange = utils.AnyToString(minPrice) + "-" + utils.AnyToString(maxPrice)
	}

	if minLinePrice == maxLinePrice {
		result.LinePriceRange = utils.AnyToString(minLinePrice)
	} else {
		result.LinePriceRange = utils.AnyToString(minLinePrice) + "-" + utils.AnyToString(maxLinePrice)
	}

	if minProfit == maxProfit {
		result.ProfitRange = utils.AnyToString(minProfit) + "%"
	} else {
		result.ProfitRange = utils.AnyToString(minProfit) + "%-" + utils.AnyToString(maxProfit) + "%"
	}

	if minWeight == maxWeight {
		result.WeightRange = utils.AnyToString(minWeight)
	} else {
		result.WeightRange = utils.AnyToString(minWeight) + "-" + utils.AnyToString(maxWeight)
	}

	return result
}