43 lines
791 B
Go
43 lines
791 B
Go
package middleware
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import (
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"log"
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"net/http"
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"time"
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)
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// responseWriter wraps http.ResponseWriter to capture status code
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type responseWriter struct {
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http.ResponseWriter
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statusCode int
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}
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func newResponseWriter(w http.ResponseWriter) *responseWriter {
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return &responseWriter{w, http.StatusOK}
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}
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func (rw *responseWriter) WriteHeader(code int) {
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rw.statusCode = code
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rw.ResponseWriter.WriteHeader(code)
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}
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// Logger logs HTTP requests
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func Logger(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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wrapped := newResponseWriter(w)
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next.ServeHTTP(wrapped, r)
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duration := time.Since(start)
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log.Printf(
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"%s %s %d %s",
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r.Method,
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r.RequestURI,
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wrapped.statusCode,
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duration,
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)
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})
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}
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