Enhance ProductRoutes to include component report handling and related routes

internal/domains/product/entities/component_report_cache.go

@@ -0,0 +1,34 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+// ComponentReportCache 报告文件匹配缓存
+type ComponentReportCache struct {
+	ID          string    `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"缓存ID"`
+	ProductCode string    `gorm:"type:varchar(50);not null;uniqueIndex" json:"product_code" comment:"产品编号"`
+	MatchedPath string    `gorm:"type:varchar(500);not null" json:"matched_path" comment:"匹配到的文件夹/文件路径"`
+	FileType    string    `gorm:"type:varchar(20);not null" json:"file_type" comment:"文件类型：folder, file"`
+	CacheKey    string    `gorm:"type:varchar(64);not null;uniqueIndex" json:"cache_key" comment:"缓存键"`
+
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at" comment:"创建时间"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at" comment:"更新时间"`
+}
+
+// TableName 指定数据库表名
+func (ComponentReportCache) TableName() string {
+	return "component_report_cache"
+}
+
+// BeforeCreate GORM钩子：创建前自动生成UUID
+func (c *ComponentReportCache) BeforeCreate(tx *gorm.DB) error {
+	if c.ID == "" {
+		c.ID = uuid.New().String()
+	}
+	return nil
+}
+

internal/domains/product/entities/component_report_download.go

@@ -0,0 +1,85 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/shopspring/decimal"
+	"gorm.io/gorm"
+)
+
+// ComponentReportDownload 组件报告下载记录
+type ComponentReportDownload struct {
+	ID             string          `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"下载记录ID"`
+	UserID         string          `gorm:"type:varchar(36);not null;index" json:"user_id" comment:"用户ID"`
+	ProductID      string          `gorm:"type:varchar(36);not null;index" json:"product_id" comment:"产品ID"`
+	ProductCode    string          `gorm:"type:varchar(50);not null;index" json:"product_code" comment:"产品编号"`
+	SubProductIDs  string          `gorm:"type:text" json:"sub_product_ids" comment:"子产品ID列表（JSON数组）"`
+	SubProductCodes string          `gorm:"type:text" json:"sub_product_codes" comment:"子产品编号列表（JSON数组）"`
+	DownloadPrice  decimal.Decimal `gorm:"type:decimal(10,2);not null" json:"download_price" comment:"实际支付价格"`
+	OriginalPrice  decimal.Decimal `gorm:"type:decimal(10,2);not null" json:"original_price" comment:"原始总价"`
+	DiscountAmount decimal.Decimal `gorm:"type:decimal(10,2);default:0" json:"discount_amount" comment:"减免金额"`
+	PaymentOrderID *string         `gorm:"type:varchar(64)" json:"payment_order_id,omitempty" comment:"支付订单号"`
+	PaymentType    *string         `gorm:"type:varchar(20)" json:"payment_type,omitempty" comment:"支付类型：alipay, wechat"`
+	PaymentStatus  string          `gorm:"type:varchar(20);default:'pending';index" json:"payment_status" comment:"支付状态：pending, success, failed"`
+	FilePath       *string         `gorm:"type:varchar(500)" json:"file_path,omitempty" comment:"生成的ZIP文件路径"`
+	FileHash       *string         `gorm:"type:varchar(64)" json:"file_hash,omitempty" comment:"文件哈希值"`
+	DownloadCount  int             `gorm:"default:0" json:"download_count" comment:"下载次数"`
+	LastDownloadAt *time.Time      `json:"last_download_at,omitempty" comment:"最后下载时间"`
+	ExpiresAt      *time.Time      `gorm:"index" json:"expires_at,omitempty" comment:"下载有效期"`
+
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at" comment:"创建时间"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at" comment:"更新时间"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-" comment:"软删除时间"`
+}
+
+// TableName 指定数据库表名
+func (ComponentReportDownload) TableName() string {
+	return "component_report_downloads"
+}
+
+// BeforeCreate GORM钩子：创建前自动生成UUID
+func (c *ComponentReportDownload) BeforeCreate(tx *gorm.DB) error {
+	if c.ID == "" {
+		c.ID = uuid.New().String()
+	}
+	return nil
+}
+
+// IsPaymentSuccess 检查是否支付成功
+func (c *ComponentReportDownload) IsPaymentSuccess() bool {
+	return c.PaymentStatus == "success"
+}
+
+// IsExpired 检查是否已过期
+func (c *ComponentReportDownload) IsExpired() bool {
+	if c.ExpiresAt == nil {
+		return false
+	}
+	return time.Now().After(*c.ExpiresAt)
+}
+
+// CanDownload 检查是否可以下载
+func (c *ComponentReportDownload) CanDownload() bool {
+	return c.IsPaymentSuccess() && !c.IsExpired()
+}
+
+// MarkPaymentSuccess 标记支付成功
+func (c *ComponentReportDownload) MarkPaymentSuccess(orderID string, paymentType string) {
+	c.PaymentOrderID = &orderID
+	paymentTypeStr := paymentType
+	c.PaymentType = &paymentTypeStr
+	c.PaymentStatus = "success"
+	
+	// 设置30天有效期
+	expiresAt := time.Now().Add(30 * 24 * time.Hour)
+	c.ExpiresAt = &expiresAt
+}
+
+// IncrementDownloadCount 增加下载次数
+func (c *ComponentReportDownload) IncrementDownloadCount() {
+	c.DownloadCount++
+	now := time.Now()
+	c.LastDownloadAt = &now
+}
+

internal/domains/product/repositories/component_report_repository_interface.go

@@ -0,0 +1,24 @@
+package repositories
+
+import (
+	"context"
+	"tyapi-server/internal/domains/product/entities"
+)
+
+// ComponentReportRepository 组件报告仓储接口
+type ComponentReportRepository interface {
+	// 下载记录相关
+	CreateDownload(ctx context.Context, download *entities.ComponentReportDownload) (*entities.ComponentReportDownload, error)
+	UpdateDownload(ctx context.Context, download *entities.ComponentReportDownload) error
+	GetDownloadByID(ctx context.Context, id string) (*entities.ComponentReportDownload, error)
+	GetUserDownloads(ctx context.Context, userID string, productID *string) ([]*entities.ComponentReportDownload, error)
+	HasUserDownloaded(ctx context.Context, userID string, productCode string) (bool, error)
+	GetUserDownloadedProductCodes(ctx context.Context, userID string) ([]string, error)
+	GetDownloadByPaymentOrderID(ctx context.Context, orderID string) (*entities.ComponentReportDownload, error)
+	
+	// 缓存相关
+	GetCacheByProductCode(ctx context.Context, productCode string) (*entities.ComponentReportCache, error)
+	CreateCache(ctx context.Context, cache *entities.ComponentReportCache) error
+	UpdateCache(ctx context.Context, cache *entities.ComponentReportCache) error
+}
+