50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
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package httpapi
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import (
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"log/slog"
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"net/http"
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"time"
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chimw "github.com/go-chi/chi/v5/middleware"
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)
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// statusRecorder captures the response status for structured request logs.
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type statusRecorder struct {
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http.ResponseWriter
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status int
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bytes int
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}
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func (r *statusRecorder) WriteHeader(code int) {
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r.status = code
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r.ResponseWriter.WriteHeader(code)
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}
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func (r *statusRecorder) Write(b []byte) (int, error) {
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if r.status == 0 {
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r.status = http.StatusOK
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}
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n, err := r.ResponseWriter.Write(b)
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r.bytes += n
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return n, err
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}
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// RequestLogger emits one structured slog line per request with request_id.
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// Pair with chi middleware.RequestID (already mounted in Router).
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func RequestLogger(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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rec := &statusRecorder{ResponseWriter: w, status: http.StatusOK}
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next.ServeHTTP(rec, r)
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slog.Info("http_request",
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"request_id", chimw.GetReqID(r.Context()),
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"method", r.Method,
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"path", r.URL.Path,
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"status", rec.status,
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"bytes", rec.bytes,
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"duration_ms", time.Since(start).Milliseconds(),
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"remote_ip", r.RemoteAddr,
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)
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})
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}
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