Merge branch 'develop' of https://gitee.com/fusenpack/fusenapi into develop

model/gmodel/fs_product_model3d_logic.go

@@ -2,6 +2,11 @@ package gmodel
 
 import (
 	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"fusenapi/constants"
+	"github.com/zeromicro/go-zero/core/logx"
 )
 
 // 阶梯价结构
@@ -166,3 +171,55 @@ func (d *FsProductModel3dModel) GetAllByProductIdsTags(ctx context.Context, prod
 	err = db.Find(&resp).Error
 	return resp, err
 }
+
+// 获取每个产品最低价格
+func (d *FsProductModel3dModel) GetProductMinPrice(ctx context.Context, productIds []int64) (productMinPrice map[int64]int64, err error) {
+	//获取产品模型价格列表
+	modelList, err := d.GetAllByProductIdsTags(ctx, productIds, []int{constants.TAG_MODEL, constants.TAG_PARTS}, "id,product_id,price,tag,part_id,step_price")
+	if err != nil {
+		return
+	}
+	mapModelMinPrice := make(map[int64]int64)
+	//每个模型/配件存储最小价格
+	for _, modelInfo := range modelList {
+		switch *modelInfo.Tag {
+		case constants.TAG_MODEL: //模型
+			if modelInfo.StepPrice == nil || len(*modelInfo.StepPrice) == 0 {
+				return nil, errors.New(fmt.Sprintf("model step price is not set:%d", modelInfo.Id))
+			}
+			var stepPrice StepPriceJsonStruct
+			if err = json.Unmarshal(*modelInfo.StepPrice, &stepPrice); err != nil {
+				logx.Error(err)
+				return nil, errors.New(fmt.Sprintf("failed to parse model step price:%d", modelInfo.Id))
+			}
+			lenRange := len(stepPrice.PriceRange)
+			if lenRange == 0 {
+				return nil, errors.New(fmt.Sprintf("the count of step price is 0:%d", modelInfo.Id))
+			}
+			mapModelMinPrice[modelInfo.Id] = stepPrice.PriceRange[lenRange-1].Price
+		case constants.TAG_PARTS: //配件
+			mapModelMinPrice[modelInfo.Id] = *modelInfo.Price
+		}
+	}
+	productMinPrice = make(map[int64]int64)
+	//给产品存储最小价格
+	for _, v := range modelList {
+		if *v.Tag != constants.TAG_MODEL {
+			continue
+		}
+		itemPrice := mapModelMinPrice[v.Id]
+		if *v.PartId > 0 {
+			if fittingPrice, ok := mapModelMinPrice[*v.PartId]; ok {
+				itemPrice += fittingPrice
+			}
+		}
+		if minPrice, ok := productMinPrice[*v.ProductId]; ok {
+			if itemPrice < minPrice {
+				productMinPrice[*v.ProductId] = itemPrice
+			}
+			continue
+		}
+		productMinPrice[*v.ProductId] = itemPrice
+	}
+	return productMinPrice, nil
+}