add MediaLofi in kontor-gin (#97)

Co-authored-by: Thomas Peetz <thomas.peetz@cimt-ag.de>
Reviewed-on: #97

kontor-gin/internal/repository/media_file.go

@@ -2,6 +2,7 @@ package repository
 
 import (
 	"context"
+	"fmt"
 	"kontor-api-gin/internal/models"
 	"log/slog"
 
@@ -25,3 +26,29 @@ func (repository *MediaFileRepository) FindAll(context context.Context) ([]model
 
 	return files, nil
 }
+
+func (repository *MediaFileRepository) GetById(context context.Context, id string) (*models.MediaFile, error) {
+	var file = models.MediaFile{ID: id}
+	slog.Info("MediaFileRepository#GetById", "id", id)
+	result := repository.db.First(&file)
+	if result.Error != nil {
+		slog.Info("MediaFileRepository#GetById", "error", result.Error.Error())
+		return nil, result.Error
+	}
+	return &file, result.Error
+}
+
+func (repository *MediaFileRepository) Add(context context.Context, url string) (*models.MediaFile, error) {
+	slog.Info("MediaFileRepository#Add", "url", url)
+	return nil, fmt.Errorf("unimplemented method MediaFileRepository#Add")
+}
+
+func (repository *MediaFileRepository) Delete(context context.Context, id string) error {
+	var file = models.MediaFile{ID: id}
+	slog.Info("MediaFileRepository#Delete", "id", id)
+	result := repository.db.Delete(&file)
+	if result.Error != nil {
+		slog.Info("MediaFileRepository#Delete", "error", result.Error.Error())
+	}
+	return result.Error
+}