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package logger
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import (
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"context"
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"errors"
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"fmt"
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"go.uber.org/zap"
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gl "gorm.io/gorm/logger"
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"time"
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)
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var gormZap *zap.SugaredLogger
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// 基于Gorm的日志实现
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type gormLogger struct {
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gl.Config
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}
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// LogMode 实现LogMode接口
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func (l *gormLogger) LogMode(level gl.LogLevel) gl.Interface {
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nl := *l
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nl.LogLevel = level
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return &nl
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}
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// Info 实现Info接口
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func (l gormLogger) Info(ctx context.Context, msg string, data ...interface{}) {
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if l.LogLevel >= gl.Info {
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// // 去掉第一行
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// msg = strings.Join(strings.Split(msg, "\n")[1:], " ")
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// gormZap.Info(msg)
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//
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// l.Printf(msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
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}
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}
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// Warn 实现Warn接口
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func (l gormLogger) Warn(ctx context.Context, msg string, data ...interface{}) {
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if l.LogLevel >= gl.Warn {
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//
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}
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}
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// 实现Error接口
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func (l gormLogger) Error(ctx context.Context, msg string, data ...interface{}) {
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if l.LogLevel >= gl.Error {
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//
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}
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}
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// Trace 实现Trace接口
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func (l gormLogger) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {
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if l.LogLevel <= gl.Silent {
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return
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}
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elapsed := time.Since(begin)
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sql, rows := fc()
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msg := fmt.Sprintf("[%v] [rows:%v] %s", elapsed.String(), rows, sql)
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if rows == -1 {
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msg = fmt.Sprintf("[%s] [-] %s", elapsed.String(), sql)
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}
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switch {
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case err != nil && l.LogLevel >= gl.Error && (!errors.Is(err, gl.ErrRecordNotFound) || !l.IgnoreRecordNotFoundError):
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gormZap.Errorf("%s -> %s", err.Error(), sql)
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case elapsed > l.SlowThreshold && l.SlowThreshold != 0 && l.LogLevel >= gl.Warn:
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slowLog := fmt.Sprintf("SLOW SQL >= %v", l.SlowThreshold)
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gormZap.Warnf("%v -> %v", slowLog, sql)
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case l.LogLevel == gl.Info:
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gormZap.Info(msg)
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}
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}
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// NewGormLoggerWithConfig ...
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func NewGormLoggerWithConfig(config gl.Config) gl.Interface {
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return &gormLogger{config}
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}
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// DefaultGormLogger 默认的日志实现
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func DefaultGormLogger() gl.Interface {
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// 默认日志级别为Info，如果是生产环境，就是Error
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logLevel := gl.Info
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if config.Mode == Prod {
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logLevel = gl.Error
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}
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return &gormLogger{gl.Config{
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SlowThreshold: time.Second, // Slow SQL threshold
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IgnoreRecordNotFoundError: false, // 忽略没找到结果的错误
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LogLevel: logLevel, // Log level
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Colorful: false, // Disable color
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}}
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}
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