/
middleware.go
74 lines (60 loc) · 1.64 KB
/
middleware.go
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package log
import (
"context"
"net/http"
"github.com/rabee-inc/go-pkg/stringutil"
"github.com/rabee-inc/go-pkg/timeutil"
)
// Middleware ... ロガー
type Middleware struct {
Writer Writer
MinOutSeverity Severity
}
func NewMiddleware(writer Writer, minOutSeverity string) *Middleware {
mos := NewSeverity(minOutSeverity)
return &Middleware{
writer,
mos,
}
}
// Handle ... ロガーを初期化する
func (m *Middleware) Handle(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
startAt := timeutil.Now()
// ロガーをContextに設定
traceID := stringutil.UniqueID()
logger := NewLogger(m.Writer, m.MinOutSeverity, traceID)
ctx := r.Context()
ctx = SetLogger(ctx, logger)
// Panicのハンドリングを設定
defer func() {
if rcvr := recover(); rcvr != nil {
msg := Panic(ctx, rcvr)
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(msg))
// 実行時間を計算
endAt := timeutil.Now()
dr := endAt.Sub(startAt)
// リクエストログを出力
logger.WriteRequest(r, endAt, dr)
}
}()
// 実行
next.ServeHTTP(w, r.WithContext(ctx))
// 実行時間を計算
endAt := timeutil.Now()
dr := endAt.Sub(startAt)
// リクエストログを出力
logger.WriteRequest(r, endAt, dr)
})
}
func (m *Middleware) SetLogger(ctx context.Context) context.Context {
traceID := stringutil.UniqueID()
logger := NewLogger(m.Writer, m.MinOutSeverity, traceID)
return SetLogger(ctx, logger)
}
func (m *Middleware) WriteJob(ctx context.Context) {
if logger := GetLogger(ctx); logger != nil {
logger.WriteJob(ctx)
}
}