部分重构

backend/internal/service/purchase_service.go

@@ -0,0 +1,165 @@
+package service
+
+import (
+	"encoding/json"
+	"ops/internal/repository"
+	"ops/models"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/datatypes"
+	"gorm.io/gorm"
+)
+
+type PurchaseService interface {
+	GetOrders(c *gin.Context, userID uint, search string, page, entries int) (gin.H, bool)
+	CreateOrder(c *gin.Context, userID uint, request CreateOrderRequest) bool
+	GetOrderDetails(orderID uint) (*models.TabPurchaseOrder, []models.TabPurchaseCosts, error)
+}
+
+type purchaseService struct {
+	repo repository.PurchaseRepository
+}
+
+func NewPurchaseService(db *gorm.DB) PurchaseService {
+	return &purchaseService{
+		repo: repository.NewPurchaseRepository(db),
+	}
+}
+
+// 请求结构体
+type CostItem struct {
+	Cost         int    `json:"cost" binding:"required,min=1"`
+	CostT        int    `json:"costt" binding:"required,min=0"`
+	CurrencyType string `json:"currencytype" binding:"required"`
+	Int          int    `json:"int" binding:"required,min=1"`
+	Type         string `json:"type" binding:"required"`
+}
+
+type CreateOrderRequest struct {
+	Costs          []CostItem `json:"costs" binding:"required,min=1,dive"`
+	Link           string     `json:"link"`
+	OrderStatus    string     `json:"order_status" binding:"required"`
+	PartName       string     `json:"partname"`
+	Photos         []string   `json:"photos"`
+	Remark         string     `json:"remark"`
+	Styles         string     `json:"styles"`
+	Title          string     `json:"title" binding:"required"`
+	TrackingNumber string     `json:"tracking_number"`
+	UpdateTime     string     `json:"update_time"`
+}
+
+func (s *purchaseService) GetOrders(c *gin.Context, userID uint, search string, page, entries int) (gin.H, bool) {
+	// 验证分页参数
+	if entries <= 0 || entries > 300 {
+		return nil, false
+	}
+	if page <= 0 {
+		return nil, false
+	}
+
+	orders, total, err := s.repo.GetOrders(userID, search, page, entries)
+	if err != nil {
+		return nil, false
+	}
+
+	// 构建响应
+	result := gin.H{
+		"all_count":  total,
+		"all_orders": orders,
+	}
+
+	return result, true
+}
+
+func (s *purchaseService) CreateOrder(c *gin.Context, userID uint, request CreateOrderRequest) bool {
+	// 验证数据
+	if request.Title == "" {
+		return false
+	}
+
+	// 验证价格和数量
+	for _, cost := range request.Costs {
+		if cost.Cost <= 0 {
+			return false
+		}
+		if cost.Int <= 0 {
+			return false
+		}
+	}
+
+	// 验证图片哈希（简单检查是否包含特殊字符）
+	for _, photo := range request.Photos {
+		if models.IsContainsSpecialChar(photo) {
+			return false
+		}
+	}
+
+	// 解析更新时间
+	var updateTime *time.Time
+	if request.UpdateTime != "" {
+		parsedTime, err := models.StringToTimePtr(request.UpdateTime)
+		if err != nil {
+			return false
+		}
+		updateTime = parsedTime
+	}
+
+	// 转换照片数组为JSON
+	var photosJSON datatypes.JSON
+	if len(request.Photos) > 0 {
+		photosBytes, err := json.Marshal(request.Photos)
+		if err != nil {
+			return false
+		}
+		photosJSON = datatypes.JSON(photosBytes)
+	}
+
+	// 创建订单
+	order := &models.TabPurchaseOrder{
+		UserID:         userID,
+		Title:          request.Title,
+		Remark:         request.Remark,
+		Photos:         photosJSON,
+		Link:           request.Link,
+		PartName:       request.PartName,
+		Styles:         request.Styles,
+		UpdateTime:     updateTime,
+		TrackingNumber: request.TrackingNumber,
+		OrderStatus:    request.OrderStatus,
+	}
+
+	if err := s.repo.CreateOrder(order); err != nil {
+		return false
+	}
+
+	// 创建费用明细
+	for _, costItem := range request.Costs {
+		cost := &models.TabPurchaseCosts{
+			UserID:   userID,
+			OrderID:  order.ID,
+			Price:    costItem.Cost,
+			Quantity: costItem.Int,
+		}
+
+		if err := s.repo.CreateCost(cost); err != nil {
+			return false
+		}
+	}
+
+	return true
+}
+
+func (s *purchaseService) GetOrderDetails(orderID uint) (*models.TabPurchaseOrder, []models.TabPurchaseCosts, error) {
+	order, err := s.repo.GetOrderByID(orderID)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	costs, err := s.repo.GetOrderCosts(orderID)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return order, costs, nil
+}