refactor: expiry 模块按 handler/model/service 分层

internal/expiry/expiry.go

@@ -0,0 +1,133 @@
+package expiry
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/redis/go-redis/v9"
+	"gorm.io/gorm"
+
+	expiryhandler "wx_service/internal/expiry/handler"
+	expirymodel "wx_service/internal/expiry/model"
+	expiryrepo "wx_service/internal/expiry/repository"
+	expiryservice "wx_service/internal/expiry/service"
+)
+
+const (
+	CategoryFood     = expirymodel.CategoryFood
+	CategoryMedicine = expirymodel.CategoryMedicine
+	CategoryCosmetic = expirymodel.CategoryCosmetic
+	CategoryOther    = expirymodel.CategoryOther
+
+	StatusNormal    = expirymodel.StatusNormal
+	StatusExpiring  = expirymodel.StatusExpiring
+	StatusExpired   = expirymodel.StatusExpired
+	StatusUsed      = expirymodel.StatusUsed
+	StatusDiscarded = expirymodel.StatusDiscarded
+)
+
+var defaultRemindDays = expirymodel.DefaultRemindDays
+
+type ExpiryItem = expirymodel.ExpiryItem
+type ExpiryUserSettings = expirymodel.ExpiryUserSettings
+
+type Repository = expiryrepo.Repository
+type Service = expiryservice.Service
+type Handler = expiryhandler.Handler
+type SummaryCache = expiryservice.SummaryCache
+
+type CreateItemRequest = expiryservice.CreateItemRequest
+type UpdateItemRequest = expiryservice.UpdateItemRequest
+type ItemFilters = expiryservice.ItemFilters
+type ItemView = expiryservice.ItemView
+type ItemListResponse = expiryservice.ItemListResponse
+type SummaryResponse = expiryservice.SummaryResponse
+type SettingsResponse = expiryservice.SettingsResponse
+
+var (
+	ErrExpiryItemNotFound = expiryrepo.ErrExpiryItemNotFound
+
+	ErrExpiryNameInvalid           = expiryservice.ErrExpiryNameInvalid
+	ErrExpiryCategoryInvalid       = expiryservice.ErrExpiryCategoryInvalid
+	ErrExpiryMiniProgramRequired   = expiryservice.ErrExpiryMiniProgramRequired
+	ErrExpiryQuantityInvalid       = expiryservice.ErrExpiryQuantityInvalid
+	ErrExpiryLocationTooLong       = expiryservice.ErrExpiryLocationTooLong
+	ErrExpiryRemarkTooLong         = expiryservice.ErrExpiryRemarkTooLong
+	ErrExpiryDateRequired          = expiryservice.ErrExpiryDateRequired
+	ErrExpiryShelfLifeDaysInvalid  = expiryservice.ErrExpiryShelfLifeDaysInvalid
+	ErrExpiryFilterStatusInvalid   = expiryservice.ErrExpiryFilterStatusInvalid
+	ErrExpiryFilterCategoryInvalid = expiryservice.ErrExpiryFilterCategoryInvalid
+	ErrExpiryFilterSortInvalid     = expiryservice.ErrExpiryFilterSortInvalid
+	ErrExpiryStatusInvalid         = expiryservice.ErrExpiryStatusInvalid
+	ErrExpiryRemindDaysInvalid     = expiryservice.ErrExpiryRemindDaysInvalid
+)
+
+func NewRepository(db *gorm.DB) *Repository {
+	return expiryrepo.NewRepository(db)
+}
+
+func NewService(repo *Repository) *Service {
+	return expiryservice.NewService(repo)
+}
+
+func NewHandler(service *Service) *Handler {
+	return expiryhandler.NewHandler(service)
+}
+
+func NewSummaryCache(rc *redis.Client, keyPrefix string, ttl time.Duration) *SummaryCache {
+	return expiryservice.NewSummaryCache(rc, keyPrefix, ttl)
+}
+
+func dateOnly(t time.Time) time.Time {
+	return expirymodel.DateOnly(t)
+}
+
+func normalizeFilters(filters ItemFilters) ItemFilters {
+	return expiryservice.NormalizeFilters(filters)
+}
+
+func validateFilters(filters ItemFilters) error {
+	return expiryservice.ValidateFilters(filters)
+}
+
+func validateBaseFields(name, category string, quantity int, location, remark string) error {
+	return expiryservice.ValidateBaseFields(name, category, quantity, location, remark)
+}
+
+func applyExpiryDate(item *ExpiryItem, expiryDate *time.Time, shelfLifeDays *int) error {
+	return expiryservice.ApplyExpiryDate(item, expiryDate, shelfLifeDays)
+}
+
+func isValidCategory(category string) bool {
+	return expiryservice.IsValidCategory(category)
+}
+
+func validateRemindDays(days []int) ([]int, error) {
+	return expiryservice.ValidateRemindDays(days)
+}
+
+func toItemView(item ExpiryItem) ItemView {
+	return expiryservice.ToItemView(item)
+}
+
+func writeExpirySuccess(c *gin.Context, message string, data interface{}) {
+	resp := gin.H{
+		"code":    0,
+		"message": message,
+	}
+	if data != nil {
+		resp["data"] = data
+	}
+	c.JSON(200, resp)
+}
+
+func writeExpiryError(c *gin.Context, code int, message string) {
+	c.JSON(code, gin.H{
+		"code":    code,
+		"message": message,
+	})
+}
+
+func writeExpiryServerError(c *gin.Context) {
+	writeExpiryError(c, 500, "服务器错误")
+}