first commit

server/internal/repository/system_config_repository.go

@@ -0,0 +1,50 @@
+package repository
+
+import (
+	"context"
+	"errors"
+
+	"backupx/server/internal/model"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+type SystemConfigRepository interface {
+	GetByKey(context.Context, string) (*model.SystemConfig, error)
+	List(context.Context) ([]model.SystemConfig, error)
+	Upsert(context.Context, *model.SystemConfig) error
+}
+
+type GormSystemConfigRepository struct {
+	db *gorm.DB
+}
+
+func NewSystemConfigRepository(db *gorm.DB) *GormSystemConfigRepository {
+	return &GormSystemConfigRepository{db: db}
+}
+
+func (r *GormSystemConfigRepository) GetByKey(ctx context.Context, key string) (*model.SystemConfig, error) {
+	var item model.SystemConfig
+	if err := r.db.WithContext(ctx).Where("key = ?", key).First(&item).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return &item, nil
+}
+
+func (r *GormSystemConfigRepository) List(ctx context.Context) ([]model.SystemConfig, error) {
+	var items []model.SystemConfig
+	if err := r.db.WithContext(ctx).Order("key ASC").Find(&items).Error; err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+func (r *GormSystemConfigRepository) Upsert(ctx context.Context, item *model.SystemConfig) error {
+	return r.db.WithContext(ctx).Clauses(clause.OnConflict{
+		Columns:   []clause.Column{{Name: "key"}},
+		DoUpdates: clause.AssignmentColumns([]string{"value", "encrypted", "updated_at"}),
+	}).Create(item).Error
+}