feat: 添加音乐键位字段，更新相关数据结构和接口

backend/.gitignore

@@ -27,3 +27,5 @@ go.work.sum
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
+
+quyun

backend/app/http/v1/creator.go

@@ -75,7 +75,7 @@ func (c *Creator) ListContents(
 	ctx fiber.Ctx,
 	user *models.User,
 	filter *dto.CreatorContentListFilter,
-) ([]dto.ContentItem, error) {
+) ([]dto.CreatorContentItem, error) {
 	return services.Creator.ListContents(ctx, user.ID, filter)
 }
 

backend/app/http/v1/dto/creator.go

@@ -28,6 +28,7 @@ type FloatStatItem struct {
 type ContentCreateForm struct {
 	Title    string   `json:"title"`
 	Genre    string   `json:"genre"`
+	Key      string   `json:"key"`
 	Price    float64  `json:"price"`
 	MediaIDs []string `json:"media_ids"`
 }
@@ -35,6 +36,7 @@ type ContentCreateForm struct {
 type ContentUpdateForm struct {
 	Title    string   `json:"title"`
 	Genre    string   `json:"genre"`
+	Key      string   `json:"key"`
 	Price    float64  `json:"price"`
 	MediaIDs []string `json:"media_ids"`
 }
@@ -43,6 +45,7 @@ type ContentEditDTO struct {
 	ID             string     `json:"id"`
 	Title          string     `json:"title"`
 	Genre          string     `json:"genre"`
+	Key            string     `json:"key"`
 	Description    string     `json:"description"`
 	Status         string     `json:"status"`
 	Price          float64    `json:"price"`
@@ -51,6 +54,16 @@ type ContentEditDTO struct {
 	Assets         []AssetDTO `json:"assets"`
 }
 
+type CreatorContentItem struct {
+	ID          string `json:"id"`
+	Title       string `json:"title"`
+	Genre       string `json:"genre"`
+	Key         string `json:"key"`
+	Views       int    `json:"views"`
+	Likes       int    `json:"likes"`
+	IsPurchased bool   `json:"is_purchased"`
+}
+
 type AssetDTO struct {
 	ID   string `json:"id"`
 	Role string `json:"role"`

backend/app/services/content.go

@@ -160,6 +160,7 @@ func (s *content) Get(ctx context.Context, userID int64, id string) (*content_dt
 		Description: item.Description,
 		Body:        item.Body,
 		MediaUrls:   s.toMediaURLs(accessibleAssets),
+		Meta:        content_dto.Meta{Key: item.Key},
 		IsLiked:     isLiked,
 		IsFavorited: isFavorited,
 	}

backend/app/services/creator.go

@@ -98,7 +98,7 @@ func (s *creator) ListContents(
 	ctx context.Context,
 	userID int64,
 	filter *creator_dto.CreatorContentListFilter,
-) ([]creator_dto.ContentItem, error) {
+) ([]creator_dto.CreatorContentItem, error) {
 	tid, err := s.getTenantID(ctx, userID)
 	if err != nil {
 		return nil, err
@@ -122,12 +122,13 @@ func (s *creator) ListContents(
 		return nil, errorx.ErrDatabaseError.WithCause(err)
 	}
 
-	var data []creator_dto.ContentItem
+	var data []creator_dto.CreatorContentItem
 	for _, item := range list {
-		data = append(data, creator_dto.ContentItem{
+		data = append(data, creator_dto.CreatorContentItem{
 			ID:          cast.ToString(item.ID),
 			Title:       item.Title,
 			Genre:       item.Genre,
+			Key:         item.Key,
 			Views:       int(item.Views),
 			Likes:       int(item.Likes),
 			IsPurchased: false,
@@ -150,6 +151,7 @@ func (s *creator) CreateContent(ctx context.Context, userID int64, form *creator
 			UserID:   uid,
 			Title:    form.Title,
 			Genre:    form.Genre,
+			Key:      form.Key,
 			Status:   consts.ContentStatusPublished,
 		}
 		if err := tx.Content.WithContext(ctx).Create(content); err != nil {
@@ -214,6 +216,7 @@ func (s *creator) UpdateContent(
 		_, err = tx.Content.WithContext(ctx).Where(tx.Content.ID.Eq(cid)).Updates(&models.Content{
 			Title: form.Title,
 			Genre: form.Genre,
+			Key:   form.Key,
 		})
 		if err != nil {
 			return err
@@ -318,6 +321,7 @@ func (s *creator) GetContent(ctx context.Context, userID int64, id string) (*cre
 		ID:             cast.ToString(c.ID),
 		Title:          c.Title,
 		Genre:          c.Genre,
+		Key:            c.Key,
 		Description:    c.Description,
 		Status:         string(c.Status),
 		Price:          price,

backend/database/migrations/20251231120000_add_key_to_contents.sql

@@ -0,0 +1,6 @@
+-- +goose Up
+ALTER TABLE contents ADD COLUMN key VARCHAR(32) DEFAULT '';
+COMMENT ON COLUMN contents.key IS 'Musical key/tone';
+
+-- +goose Down
+ALTER TABLE contents DROP COLUMN key;

backend/database/models/contents.gen.go

@@ -38,6 +38,7 @@ type Content struct {
 	CreatedAt           time.Time                `gorm:"column:created_at;type:timestamp with time zone;default:now()" json:"created_at"`
 	UpdatedAt           time.Time                `gorm:"column:updated_at;type:timestamp with time zone;default:now()" json:"updated_at"`
 	DeletedAt           gorm.DeletedAt           `gorm:"column:deleted_at;type:timestamp with time zone" json:"deleted_at"`
+	Key                 string                   `gorm:"column:key;type:character varying(32);comment:Musical key/tone" json:"key"` // Musical key/tone
 	Author              *User                    `gorm:"foreignKey:UserID;references:ID" json:"author,omitempty"`
 	ContentAssets       []*ContentAsset          `gorm:"foreignKey:ContentID;references:ID" json:"content_assets,omitempty"`
 	Comments            []*Comment               `gorm:"foreignKey:ContentID;references:ID" json:"comments,omitempty"`

backend/database/models/contents.query.gen.go

@@ -44,6 +44,7 @@ func newContent(db *gorm.DB, opts ...gen.DOOption) contentQuery {
 	_contentQuery.CreatedAt = field.NewTime(tableName, "created_at")
 	_contentQuery.UpdatedAt = field.NewTime(tableName, "updated_at")
 	_contentQuery.DeletedAt = field.NewField(tableName, "deleted_at")
+	_contentQuery.Key = field.NewString(tableName, "key")
 	_contentQuery.Author = contentQueryBelongsToAuthor{
 		db: db.Session(&gorm.Session{}),
 
@@ -90,6 +91,7 @@ type contentQuery struct {
 	CreatedAt           field.Time
 	UpdatedAt           field.Time
 	DeletedAt           field.Field
+	Key                 field.String // Musical key/tone
 	Author              contentQueryBelongsToAuthor
 
 	ContentAssets contentQueryHasManyContentAssets
@@ -130,6 +132,7 @@ func (c *contentQuery) updateTableName(table string) *contentQuery {
 	c.CreatedAt = field.NewTime(table, "created_at")
 	c.UpdatedAt = field.NewTime(table, "updated_at")
 	c.DeletedAt = field.NewField(table, "deleted_at")
+	c.Key = field.NewString(table, "key")
 
 	c.fillFieldMap()
 
@@ -162,7 +165,7 @@ func (c *contentQuery) GetFieldByName(fieldName string) (field.OrderExpr, bool)
 }
 
 func (c *contentQuery) fillFieldMap() {
-	c.fieldMap = make(map[string]field.Expr, 22)
+	c.fieldMap = make(map[string]field.Expr, 23)
 	c.fieldMap["id"] = c.ID
 	c.fieldMap["tenant_id"] = c.TenantID
 	c.fieldMap["user_id"] = c.UserID
@@ -182,6 +185,7 @@ func (c *contentQuery) fillFieldMap() {
 	c.fieldMap["created_at"] = c.CreatedAt
 	c.fieldMap["updated_at"] = c.UpdatedAt
 	c.fieldMap["deleted_at"] = c.DeletedAt
+	c.fieldMap["key"] = c.Key
 
 }