Addming a logEvent function to our listener ms

listener-service/event/consumer.go

@@ -1,9 +1,12 @@
 package event
 
 import (
+	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"log"
+	"net/http"
 
 	amqp "github.com/rabbitmq/amqp091-go"
 )
@@ -95,5 +98,79 @@ func handlePayload(payload Payload) {
 }
 
 func logEvent(entry Payload) error {
+	log.Println(entry)
+	loggerService := Microservice{
+		Input: entry,
+		Addr:  "http://logger-service/log",
+		ErrCode: statusError{
+			ExpectedCode: http.StatusAccepted,
+			ErrCode:      http.StatusInternalServerError,
+			Err:          errors.New("internal error"),
+		},
+		SuccessMsg: "Logged!",
+	}
+	return callService(loggerService)
+}
+
+// func (app *Config) SendMail(w http.ResponseWriter, entry MailPayload) {
+// 	log.Println(entry)
+// 	mailService := Microservice{
+// 		Input: entry,
+// 		Addr:  "http://mail-service/send-mail",
+// 		ErrCode: statusError{
+// 			ExpectedCode: http.StatusAccepted,
+// 			ErrCode:      http.StatusInternalServerError,
+// 			Err:          errors.New("internal error"),
+// 		},
+// 		SuccessMsg: "Mail sent!",
+// 	}
+// 	app.callService(w, mailService)
+// }
+
+type statusError struct {
+	ExpectedCode int
+	ErrCode      int
+	Err          error
+}
+
+type Microservice struct {
+	Input      any
+	Addr       string
+	ErrCode    statusError
+	SuccessMsg string
+}
+
+func callService(ms Microservice) error {
+	// create some json we'll send to the microservice
+	inputPayload, err := json.MarshalIndent(ms.Input, "", "\t")
+	if err != nil {
+		return err
+	}
+	log.Println(ms.Input)
+
+	// call the service
+	req, err := http.NewRequest(
+		"POST",
+		ms.Addr,
+		bytes.NewBuffer(inputPayload),
+	)
+	if err != nil {
+		return err
+	}
+	req.Header.Add("Content-Type", "application/json")
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	log.Println(resp.Body)
+
+	// make sure we get back the correct status code
+	if resp.StatusCode != ms.ErrCode.ExpectedCode {
+		return err
+	}
+
 	return nil
 }