add methods in Repository and Model for importing data

kontor-gin/internal/repository/media_article.go

@@ -0,0 +1,77 @@
+package repository
+
+import (
+	"context"
+	"fmt"
+	"kontor-api-gin/internal/models"
+	"log/slog"
+
+	"gorm.io/gorm"
+)
+
+type MediaArticleRepository struct {
+	db *gorm.DB
+}
+
+func (repository *MediaArticleRepository) Import(dtos models.MediaArticleDTOList) {
+	slog.Info("MediaArticleRepository#Import")
+	for index, dto := range dtos {
+		slog.Info("importing", "index", index, "profile", dto)
+		model := dto.ConvertDTOToModel()
+		existing_item := models.MediaArticle{ID: dto.ID}
+		result_existing := repository.db.First(&existing_item)
+		if result_existing.Error != nil {
+			slog.Info("check existing id: not found - inserting")
+			result := repository.db.Create(&model)
+			if result.Error != nil {
+				slog.Info("error during import", "error", result.Error.Error())
+			}
+		} else {
+			slog.Info("check existing id: found - updating")
+			result := repository.db.Save(&model)
+			if result.Error != nil {
+				slog.Info("error during updating", "error", result.Error.Error())
+			}
+		}
+	}
+}
+
+func NewMediaArticleRepository(db *gorm.DB) *MediaArticleRepository {
+	repo := &MediaArticleRepository{db: db}
+	return repo
+}
+
+func (repository *MediaArticleRepository) FindAll(context context.Context) ([]models.MediaArticle, error) {
+	var articles []models.MediaArticle
+
+	result := repository.db.Find(&articles)
+	slog.Info("MediaArticleRepository#FindAll", "count", result.RowsAffected)
+
+	return articles, nil
+}
+
+func (repository *MediaArticleRepository) GetById(context context.Context, id string) (*models.MediaArticle, error) {
+	var file = models.MediaArticle{ID: id}
+	slog.Info("MediaArticleRepository#GetById", "id", id)
+	result := repository.db.First(&file)
+	if result.Error != nil {
+		slog.Info("MediaArticleRepository#GetById", "error", result.Error.Error())
+		return nil, result.Error
+	}
+	return &file, result.Error
+}
+
+func (repository *MediaArticleRepository) Add(context context.Context, url string) (*models.MediaArticle, error) {
+	slog.Info("MediaArticleRepository#Add", "url", url)
+	return nil, fmt.Errorf("unimplemented method MediaArticleRepository#Add")
+}
+
+func (repository *MediaArticleRepository) Delete(context context.Context, id string) error {
+	var file = models.MediaArticle{ID: id}
+	slog.Info("MediaArticleRepository#Delete", "id", id)
+	result := repository.db.Delete(&file)
+	if result.Error != nil {
+		slog.Info("MediaArticleRepository#Delete", "error", result.Error.Error())
+	}
+	return result.Error
+}