/
main.go
56 lines (48 loc) · 1.25 KB
/
main.go
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package main
import (
"encoding/json"
"github.com/joho/godotenv"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/ext"
"io"
"log"
"net/http"
"os"
)
func main() {
// load ENV vars
if err := godotenv.Load(); err != nil {
log.Fatal(err)
}
// initialize tracer
tracer, closer, err := NewJaegerOpentracingTracer()
if err != nil {
log.Fatal(err)
}
defer closer.Close()
opentracing.SetGlobalTracer(tracer)
// define http.routes
http.HandleFunc("/process_bill", func(w http.ResponseWriter, r *http.Request) {
span, ctx := opentracing.StartSpanFromContext(r.Context(), "controller: process_bill")
defer span.Finish()
body, err := io.ReadAll(r.Body)
if err != nil {
ext.LogError(span, err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
req := new(ProcessBillRequest)
if err := json.Unmarshal(body, req); err != nil {
ext.LogError(span, err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if err := ProcessBill(ctx, req); err != nil {
ext.LogError(span, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
}
})
if err := http.ListenAndServe(os.Getenv("APP_ADDR"), entryPointMid(xAPiMid(http.DefaultServeMux))); err != nil {
log.Fatal(err)
}
}