chapter

type Chapter struct {
	ID              int64     `gorm:"column:id;primaryKey;autoIncrement"  json:"id"`
	NovelID         int64     `gorm:"column:novel_id;not null;index"      json:"novel_id"`
	VolumeID        *int64    `gorm:"column:volume_id;index"              json:"volume_id"` // 可空外键 → volumes.id，NULL=未分卷
	SortOrder       int       `gorm:"column:sort_order;default:0"        json:"sort_order"` // 所属分组内的内部排序键
	Title           string    `gorm:"column:title"                       json:"title"`
	Summary         string    `gorm:"column:summary"                     json:"summary"` // AI 生成的章节简介
	WordCount       int       `gorm:"column:word_count;default:0"        json:"word_count"`
	CreatedAt       time.Time `gorm:"column:created_at;autoCreateTime"   json:"created_at"`
	UpdatedAt       time.Time `gorm:"column:updated_at;autoUpdateTime"   json:"updated_at"`
	FilePath        string    `gorm:"-"                                  json:"file_path"` // 不存 DB，由 git.ChapterPath 计算
	OutlineFilePath string    `gorm:"-" json:"outline_file_path"`                          // 不存 DB，由 git.OutlinePath 计算
	// ReadingNumber 是当前阅读顺序的展示编号，不持久化。
	ReadingNumber int `gorm:"-" json:"reading_number"`
}

type ChapterCacheInvalidator interface {
	DeleteCachedChapter(novelID, chapterID int64)
}

type ChapterChunkCleaner interface {
	DeleteChapterChunks(ctx context.Context, novelID, chapterID int64) error
}

type DeleteResult struct {
	Deleted    bool               `json:"deleted"`
	References []deletion.Blocker `json:"references"`
}

type ListByNovelOptions struct {
	PageParams storage.PageParams
	Order      string // "asc"(默认) 或 "desc"，按阅读顺序排序
}

type PlaceInput struct {
	NovelID         int64   `json:"novel_id"`
	SourceChapterID *int64  `json:"source_chapter_id"`
	Title           *string `json:"title"`
	TargetVolumeID  *int64  `json:"target_volume_id"`
	BeforeChapterID *int64  `json:"before_chapter_id"`
}

type Service struct {
	// contains filtered or unexported fields
}

type Store struct {
	DB *gorm.DB
	// contains filtered or unexported fields
}