kra-new/internal/data/gorm_logger.go

66 lines
2.0 KiB
Go

package data
import (
"context"
"errors"
"fmt"
"io"
"log/slog"
"time"
"gorm.io/gorm/logger"
)
// gormLogger forwards GORM diagnostics through the application logger so SQL
// entries participate in the same daily/category files and error sink as the
// rest of the service. Slow queries use the administration contract's 200ms
// threshold.
type gormLogger struct {
logger *slog.Logger
slowThreshold time.Duration
level logger.LogLevel
}
func newGormLogger(log *slog.Logger, level logger.LogLevel) *gormLogger {
if log == nil {
log = slog.New(slog.NewTextHandler(io.Discard, nil))
}
return &gormLogger{logger: log, slowThreshold: 200 * time.Millisecond, level: level}
}
func (g *gormLogger) LogMode(level logger.LogLevel) logger.Interface {
next := *g
next.level = level
return &next
}
func (g *gormLogger) Info(ctx context.Context, message string, args ...any) {
g.logger.InfoContext(ctx, fmt.Sprintf(message, args...), "mod", "sql", "gorm_logger", true)
}
func (g *gormLogger) Warn(ctx context.Context, message string, args ...any) {
g.logger.WarnContext(ctx, fmt.Sprintf(message, args...), "mod", "sql", "gorm_logger", true)
}
func (g *gormLogger) Error(ctx context.Context, message string, args ...any) {
g.logger.ErrorContext(ctx, fmt.Sprintf(message, args...), "mod", "sql", "gorm_logger", true)
}
func (g *gormLogger) Trace(ctx context.Context, begin time.Time, query func() (string, int64), queryErr error) {
if g.level <= logger.Silent {
return
}
elapsed := time.Since(begin)
sql, rows := query()
fields := []any{"mod", "sql", "gorm_logger", true, "sql", sql, "rows", rows, "elapsed_ms", elapsed.Milliseconds()}
switch {
case queryErr != nil && g.level >= logger.Error && !errors.Is(queryErr, logger.ErrRecordNotFound):
fields = append(fields, "error", queryErr)
g.logger.ErrorContext(ctx, "SQL 执行错误", fields...)
case elapsed > g.slowThreshold && g.level >= logger.Warn:
g.logger.WarnContext(ctx, "SQL 慢查询", fields...)
case g.level >= logger.Info:
g.logger.InfoContext(ctx, "SQL", fields...)
}
}