logger auth error

authentication-service/cmd/api/handlers.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"bytes"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -30,6 +32,15 @@ func (app *Config) Authenticate(w http.ResponseWriter, r *http.Request) {
 		app.errorJSON(w, errors.New("invalid credentials"), http.StatusBadRequest)
 		return
 	}
+
+	// log authentication
+
+	err = app.logRequest("authentication", fmt.Sprintf("%s is logged in", user.Email))
+	if err != nil {
+		app.errorJSON(w, err)
+		return
+	}
+
 	payload := jsonResponse{
 		Error:   false,
 		Message: fmt.Sprintf("%s %s is authorized to log in.", user.FirstName, user.LastName),
@@ -38,3 +49,30 @@ func (app *Config) Authenticate(w http.ResponseWriter, r *http.Request) {
 
 	app.writeJSON(w, http.StatusAccepted, payload)
 }
+
+func (app *Config) logRequest(name, data string) error {
+	var entry struct {
+		Name string `json:"name"`
+		Data string `json:"data"`
+	}
+
+	entry.Name = name
+	entry.Data = data
+
+	jsonData, _ := json.MarshalIndent(entry, "", "\t")
+
+	logServiceURL := "http://logger-service/log"
+
+	request, err := http.NewRequest("POST", logServiceURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return err
+	}
+	request.Header.Add("Content-Type", "application/json")
+	client := &http.Client{}
+	_, err = client.Do(request)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}