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fix(server): add context event properties (#3429)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package middleware | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
| "regexp" | ||
|
|
||
| "github.com/gorilla/mux" | ||
| "github.com/kubeshop/tracetest/server/analytics" | ||
| ) | ||
|
|
||
| var ( | ||
| matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)") | ||
| matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])") | ||
| matchResourceName = regexp.MustCompile(`(\w)(\.)(\w)`) | ||
| ) | ||
|
|
||
| const EventPropertiesKey key = "x-event-properties" | ||
|
|
||
| func AnalyticsMiddleware(next http.Handler) http.Handler { | ||
| return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| routeName := mux.CurrentRoute(r).GetName() | ||
| machineID := r.Header.Get("x-client-id") | ||
| source := r.Header.Get("x-source") | ||
| eventProperties := r.Header.Get("x-event-properties") | ||
|
|
||
| eventData := map[string]string{ | ||
| "source": source, | ||
| } | ||
| eventData = analytics.InjectProperties(eventData, eventProperties) | ||
|
|
||
| if routeName != "" { | ||
| analytics.SendEvent(toWords(routeName), "test", machineID, &eventData) | ||
| } | ||
|
|
||
| ctx := r.Context() | ||
| ctx = context.WithValue(ctx, EventPropertiesKey, eventProperties) | ||
| next.ServeHTTP(w, r.WithContext(ctx)) | ||
| }) | ||
| } | ||
|
|
||
| func toWords(str string) string { | ||
| if matchResourceName.MatchString(str) { | ||
| return str | ||
| } | ||
| words := matchFirstCap.ReplaceAllString(str, "${1} ${2}") | ||
| words = matchAllCap.ReplaceAllString(words, "${1} ${2}") | ||
| return words | ||
| } | ||
|
|
||
| func EventPropertiesFromContext(ctx context.Context) string { | ||
| eventProperties := ctx.Value(EventPropertiesKey) | ||
|
|
||
| if eventProperties == nil { | ||
| return "" | ||
| } | ||
|
|
||
| return eventProperties.(string) | ||
| } | ||
|
|
||
| func SendEventWithProperties(name, category, clientID string, data map[string]string, ctx context.Context) error { | ||
| eventData := analytics.InjectProperties(data, EventPropertiesFromContext(ctx)) | ||
| return analytics.SendEvent(name, category, clientID, &eventData) | ||
| } |