feat: activity log backend foundation

internal/infrastructure/useCases/ActivityRetention.go

@@ -0,0 +1,50 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/audit"
+	"context"
+)
+
+type GetActivityRetentionUseCase struct {
+	settings audit.SettingsRepository
+}
+
+func NewGetActivityRetentionUseCase(settings audit.SettingsRepository) *GetActivityRetentionUseCase {
+	return &GetActivityRetentionUseCase{settings}
+}
+
+func (g *GetActivityRetentionUseCase) GetActivityRetention() (audit.Settings, error) {
+	return g.settings.Get()
+}
+
+type UpdateActivityRetentionUseCase struct {
+	settings audit.SettingsRepository
+	recorder audit.Recorder
+}
+
+func NewUpdateActivityRetentionUseCase(settings audit.SettingsRepository, recorder audit.Recorder) *UpdateActivityRetentionUseCase {
+	return &UpdateActivityRetentionUseCase{settings, recorder}
+}
+
+func (u *UpdateActivityRetentionUseCase) UpdateActivityRetention(ctx context.Context, days int) (audit.Settings, error) {
+	if err := audit.ValidateRetentionDays(days); err != nil {
+		return audit.Settings{}, err
+	}
+	current, err := u.settings.Get()
+	if err != nil {
+		return audit.Settings{}, err
+	}
+	if current.RetentionDays == days {
+		return current, nil
+	}
+	if err := u.settings.SaveRetention(days); err != nil {
+		return audit.Settings{}, err
+	}
+
+	event := audit.NewEvent(audit.ActionRetentionChanged, audit.CategorySystem)
+	event.Params = map[string]any{audit.ParamFrom: current.RetentionDays, audit.ParamTo: days}
+	u.recorder.Record(ctx, event)
+
+	current.RetentionDays = days
+	return current, nil
+}