add methods in Repository and Model for importing data

kontor-gin/internal/models/comic.go

@@ -41,6 +41,22 @@ type ComicDTO struct {
 	WebLink      string             `json:"weblink"`
 }
 
+func (dto ComicDTO) ConvertDTOToModel() Comic {
+	model := Comic{
+		ID:           dto.ID,
+		CreatedAt:    dto.CreatedAt.Time,
+		UpdatedAt:    dto.UpdatedAt.Time,
+		DeletedAt:    dto.DeletedAt,
+		Version:      dto.Version,
+		Title:        dto.Title,
+		PublisherID:  dto.PublisherID,
+		CurrentOrder: dto.CurrentOrder,
+		Completed:    dto.Completed,
+		WebLink:      dto.WebLink,
+	}
+	return model
+}
+
 func ConvertComicsToDtos(comics []Comic) []ComicDTO {
 	dtos := make([]ComicDTO, len(comics))
 	for i, comic := range comics {
@@ -60,6 +76,8 @@ func ConvertComicsToDtos(comics []Comic) []ComicDTO {
 	return dtos
 }
 
+type ComicDTOList []ComicDTO
+
 type CreateComicDTO struct {
 	Title string `json:"title"                           binding:"required"`
 }