feat: update create product

go.mod

@@ -3,6 +3,7 @@ module code.30cm.net/digimon/app-cloudep-product-service
 go 1.24.0
 
 require (
+	code.30cm.net/digimon/library-go/errs v1.2.14
 	code.30cm.net/digimon/library-go/mongo v0.0.9
 	github.com/alicebob/miniredis/v2 v2.34.0
 	github.com/shopspring/decimal v1.4.0

go.sum

@@ -1,3 +1,5 @@
+code.30cm.net/digimon/library-go/errs v1.2.14 h1:Un9wcIIjjJW8D2i0ISf8ibzp9oNT4OqLsaSKW0T4RJU=
+code.30cm.net/digimon/library-go/errs v1.2.14/go.mod h1:Hs4v7SbXNggDVBGXSYsFMjkii1qLF+rugrIpWePN4/o=
 code.30cm.net/digimon/library-go/mongo v0.0.9 h1:fPciIE5B85tXpLg8aeVQqKVbLnfpVAk9xbMu7pE2tVw=
 code.30cm.net/digimon/library-go/mongo v0.0.9/go.mod h1:KBVKz/Ci5IheI77BgZxPUeKkaGvDy8fV8EDHSCOLIO4=
 dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=

pkg/usecase/product.go

@@ -4,8 +4,15 @@ import (
 	"code.30cm.net/digimon/app-cloudep-product-service/pkg/domain/entity"
 	"code.30cm.net/digimon/app-cloudep-product-service/pkg/domain/repository"
 	"code.30cm.net/digimon/app-cloudep-product-service/pkg/domain/usecase"
+	"code.30cm.net/digimon/app-cloudep-product-service/pkg/utils"
 	"context"
-	"google.golang.org/protobuf/proto"
+	"github.com/zeromicro/go-zero/core/logx"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+	"go.mongodb.org/mongo-driver/mongo/readconcern"
+
+	"code.30cm.net/digimon/library-go/errs"
+	"code.30cm.net/digimon/library-go/errs/code"
 )
 
 type ProductUseCaseParam struct {
@@ -26,36 +33,108 @@ func MustProductUseCase(param ProductUseCaseParam) usecase.ProductUseCase {
 }
 
 func (use *ProductUseCase) Create(ctx context.Context, product *usecase.Product) error {
-	//use.ProductRepo.Transaction()
+	// 資料前處理：準備 entity.Product 實體
-	insert := &entity.Product{
+	insert := &entity.Product{}
-		UID: *product.UID,
-		Title: *product.Title,
-		ShortTitle: product.ShortTitle,
 
+	if product.UID != nil {
+		insert.UID = *product.UID
+	}
+	if product.Title != nil {
+		insert.Title = *product.Title
+	}
+	if product.IsPublished != nil {
+		insert.IsPublished = *product.IsPublished
+	}
+	if product.Category != nil {
+		insert.Category = *product.Category
+	}
+	if product.ShortTitle != nil {
+		insert.ShortTitle = product.ShortTitle
+	}
+	if product.Details != nil {
+		insert.Details = product.Details
+	}
+	if product.ShortDescription != nil {
+		insert.ShortDescription = *product.ShortDescription
+	}
+	if product.Slug != nil {
+		insert.Slug = product.Slug
+	}
+	if product.Amount != 0 {
+		insert.Amount = product.Amount
+	}
+	if product.StartTime != nil {
+		st := utils.Rfc3339ToUnix(utils.ToValue(product.StartTime))
+		insert.StartTime = &st
+	}
+	if product.EndTime != nil {
+		et := utils.Rfc3339ToUnix(utils.ToValue(product.EndTime))
+		insert.EndTime = &et
+	}
+	if len(product.Media) > 0 {
+		medias := make([]entity.Media, 0, len(product.Media))
+		for _, m := range product.Media {
+			medias = append(medias, entity.Media{
+				Sort: m.Sort,
+				URL:  m.URL,
+				Type: m.Type,
+			})
+		}
+		insert.Media = medias
+	}
+	if len(product.CustomFields) > 0 {
+		cf := make([]entity.CustomFields, 0, len(product.CustomFields))
+		for _, field := range product.CustomFields {
+			cf = append(cf, entity.CustomFields{
+				Key:   field.Key,
+				Value: field.Value,
+			})
+		}
+		insert.CustomFields = cf
 	}
 
+	// Transaction 設定：只做必要寫入
+	opts := options.Transaction().SetReadConcern(readconcern.Local())
+	err := use.ProductRepo.Transaction(ctx, func(sessCtx mongo.SessionContext) (any, error) {
+		// 插入 Product
+		if err := use.ProductRepo.Insert(sessCtx, insert); err != nil {
+			e := errs.DBError(code.CloudEPProduct, 0)
+			return nil, err
+		}
 
-	UID              string             `bson:"uid"`                         // 專案擁有者 UID
+		// 插入 Product 統計資料
-	Title            string             `bson:"title"`                       // 專案名稱
+		if err := use.ProductStatisticsRepo.Create(sessCtx, &entity.ProductStatistics{
-	ShortTitle       *string            `bson:"short_title,omitempty"`       // 計畫簡短標題 -> 不一定要有
+			ProductID:               insert.ID.Hex(),
-	Details          *string            `bson:"details"`                     // 詳細內容
+			Orders:                  0,
-	ShortDescription string             `bson:"short_description,omitempty"` // 簡短描述
+			OrdersUpdateTime:        0,
-	Media            []Media            `bson:"media,omitempty"`             // 專案動態內容(圖片或者影片)
+			AverageRating:           0,
-	Slug             *string            `bson:"slug,omitempty"`              // URL 後綴(查詢用)
+			AverageRatingUpdateTime: 0,
-	IsPublished      bool               `bson:"is_published" `               // 是否已上架
+			FansCount:               0,
-	Amount           uint64             `bson:"amount,omitempty"`            // 目標金額
+			FansCountUpdateTime:     0,
-	StartTime        *int64             `bson:"start_time,omitempty"`        // 專案開始時間
+		}); err != nil {
-	EndTime          *int64             `bson:"end_time,omitempty"`          // 專案結束時間
+			return nil, err
-	Category         string             `bson:"category"`                    // 類別
+		}
-	CustomFields     []CustomFields     `bson:"custom_fields,omitempty"`     // 自定義屬性
 
+		// 過濾 Tag
+		// 綁定 Tags
+		for _, tag := range product.Tags {
+			if err := use.TagBinding.BindTag(sessCtx, &entity.TagsBindingTable{
+				ReferenceID: insert.ID.Hex(),
+				TagID:       tag,
+			}); err != nil {
+				logx.Errorf("failed to bind tag %s to product %s: %v", tag, insert.ID.Hex(), err)
+				return nil, err
+			}
+		}
+
+		return nil, nil
+	}, opts)
 
-	err := use.ProductRepo.Insert(ctx, insert)
 	if err != nil {
 		return err
 	}
-	//TODO implement me
+
-	panic("implement me")
+	return nil
 }
 
 func (use *ProductUseCase) Update(ctx context.Context, id string, product *usecase.Product) error {

pkg/utils/times.go

@@ -0,0 +1,28 @@
+package utils
+
+import "time"
+
+func UnixToRfc3339(t int64) string {
+	res := time.Unix(0, t).UTC()
+
+	return res.Format(time.RFC3339)
+}
+
+func Rfc3339ToUnix(rfc3339 string) int64 {
+	// 解析 RFC3339 格式的時間
+	t, err := time.Parse(time.RFC3339, rfc3339)
+	if err != nil {
+		return 0
+	}
+
+	// 轉換為 Unix Nano (納秒)
+	return t.UTC().UnixNano()
+}
+
+func ToValue[T any](ptr *T) T {
+	if ptr == nil {
+		var zero T
+		return zero
+	}
+	return *ptr
+}