rework list courses page to be flatten
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@ -107,11 +107,21 @@ func middlewareCustomWriterInjector() mux.MiddlewareFunc {
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}
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}
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type attributeStringKey string
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func (k attributeStringKey) Value(value string) attribute.KeyValue {
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return attribute.String(string(k), value)
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}
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func middlewareTrace() mux.MiddlewareFunc {
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reqidAttr := attribute.Key("http.request_id")
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statusAttr := attribute.Key("http.status_code")
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payloadAttr := attribute.Key("http.payload_size")
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pathAttr := attribute.Key("http.template_path")
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methodAttr := attributeStringKey("http.request.method")
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reqidAttr := attributeStringKey("http.request_id")
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routeAttr := attributeStringKey("http.route")
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queryAttr := attributeStringKey("url.query")
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pathAttr := attributeStringKey("http.path")
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uaAttr := attributeStringKey("user_agent.original")
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statusAttr := attribute.Key("http.response.status_code")
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payloadAttr := attribute.Key("http.response_content_length")
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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@ -120,14 +130,18 @@ func middlewareTrace() mux.MiddlewareFunc {
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var span trace.Span
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route := mux.CurrentRoute(r)
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hname := route.GetName()
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hpath, _ := route.GetPathTemplate()
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ctx, span = webtracer.Start(
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ctx, "http."+hname,
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ctx, r.Method+" "+hpath,
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trace.WithAttributes(
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reqidAttr.String(reqid),
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pathAttr.String(hpath),
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methodAttr.Value(r.Method),
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reqidAttr.Value(reqid),
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routeAttr.Value(hpath),
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pathAttr.Value(r.URL.Path),
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queryAttr.Value(r.URL.RawQuery),
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uaAttr.Value(r.UserAgent()),
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),
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trace.WithSpanKind(trace.SpanKindServer),
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)
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defer span.End()
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