refactor: move audit service from internal/audit/service to internal/audit

internal/audit/service/service.go

@@ -1,73 +0,0 @@
-package service
-
-import (
-	"context"
-	"database/sql"
-	"encoding/json"
-	"errors"
-	"mal/internal/auditctx"
-	"mal/internal/db"
-	"mal/internal/domain"
-	"mal/internal/observability"
-	"strings"
-
-	"github.com/google/uuid"
-)
-
-type auditService struct {
-	queries *db.Queries
-}
-
-func NewAuditService(queries *db.Queries) domain.AuditService {
-	return &auditService{queries: queries}
-}
-
-func (s *auditService) Record(ctx context.Context, event domain.AuditEvent) error {
-	if s == nil || s.queries == nil {
-		return errors.New("audit service not configured")
-	}
-	action := strings.TrimSpace(event.Action)
-	if action == "" {
-		return errors.New("audit action missing")
-	}
-
-	ip, userAgent := auditctx.RequestInfoFromContext(ctx)
-	if strings.TrimSpace(event.IP) != "" {
-		ip = event.IP
-	}
-	if strings.TrimSpace(event.UserAgent) != "" {
-		userAgent = event.UserAgent
-	}
-
-	metadataJSON := event.MetadataJSON
-	if len(metadataJSON) == 0 {
-		metadataJSON = json.RawMessage("null")
-	}
-
-	_, err := s.queries.CreateAuditLog(ctx, db.CreateAuditLogParams{
-		ID:           uuid.New().String(),
-		UserID:       sql.NullString{String: strings.TrimSpace(event.UserID), Valid: strings.TrimSpace(event.UserID) != ""},
-		Action:       action,
-		ResourceType: sql.NullString{String: strings.TrimSpace(event.ResourceType), Valid: strings.TrimSpace(event.ResourceType) != ""},
-		ResourceID:   sql.NullString{String: strings.TrimSpace(event.ResourceID), Valid: strings.TrimSpace(event.ResourceID) != ""},
-		Ip:           sql.NullString{String: strings.TrimSpace(ip), Valid: strings.TrimSpace(ip) != ""},
-		UserAgent:    sql.NullString{String: strings.TrimSpace(userAgent), Valid: strings.TrimSpace(userAgent) != ""},
-		MetadataJson: sql.NullString{String: string(metadataJSON), Valid: true},
-	})
-	if err != nil {
-		return err
-	}
-
-	observability.Info(
-		"audit",
-		"audit",
-		action,
-		map[string]any{
-			"user_id":       event.UserID,
-			"resource_type": event.ResourceType,
-			"resource_id":   event.ResourceID,
-		},
-	)
-
-	return nil
-}