add methods in Repository an dModel for importing data

kontor-gin/internal/models/tradepaperback.go

@@ -34,6 +34,21 @@ type TradePaperbackDTO struct {
 	ComicID    *string            `json:"comic_id"`
 }
 
+func (dto TradePaperbackDTO) ConvertDTOToModel() TradePaperback {
+	model := TradePaperback{
+		ID:         dto.ID,
+		CreatedAt:  dto.CreatedAt.Time,
+		UpdatedAt:  dto.UpdatedAt.Time,
+		DeletedAt:  dto.DeletedAt,
+		Version:    dto.Version,
+		Name:       dto.Name,
+		IssueStart: dto.IssueStart,
+		IssueEnd:   dto.IssueEnd,
+		ComicID:    dto.ComicID,
+	}
+	return model
+}
+
 func ConvertTradePaperbacksToDtos(tradepaperbacks []TradePaperback) []TradePaperbackDTO {
 	dtos := make([]TradePaperbackDTO, len(tradepaperbacks))
 	for i, tradepaperback := range tradepaperbacks {