Added User structure and more attributes to Task structure, changed file so that it returns JSON now

backend/GO_API/server.go

@@ -2,14 +2,24 @@ package main
 
 import (
 	"net/http"
+	"fmt"
+	"encoding/json"
 
 	"github.com/labstack/echo"
  	"github.com/labstack/echo/middleware"
 )
 
+type User struct {
+	Username string
+	FirstName string
+	LastName string
+}
+
 type Task struct {
 	Title string
 	Description string
+	UserOfTask User
+	Date string
 }
 
 func main() {
@@ -19,22 +29,59 @@ func main() {
  	e.Use(middleware.Logger())
  	e.Use(middleware.Recover())
  
- 	//CORS
+ 	// CORS
  	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
   		AllowOrigins: []string{"*"},
   		AllowMethods: []string{echo.GET, echo.HEAD, echo.PUT, echo.PATCH, echo.POST, echo.DELETE},
  	}))
 
- 	task := Task{
+ 	// Getting JSON as []byte
- 		"First task",
+ 	b, err := Handler()
- 		"This is my first task in GO language",
+ 	if err != nil {
+ 		fmt.Println("error:", err)
  	}
 
  	//	Route => handler
 	e.GET("/", func(c echo.Context) error {
-		return c.String(http.StatusOK, "Title: " + task.Title + "\nDescription: " + task.Description)  
+		return c.String(http.StatusOK, string(b[:]))
 	})
 
 	// Server
- 	e.Start(":1323")
+ 	e.Start(":1500")
+}
+
+func (u User) String() string {
+	return fmt.Sprintf("Username: %v\nFirst name: %v\nLast name: %v", u.Username, u.FirstName, u.LastName)
+}
+
+func (t Task) String() string {
+	return fmt.Sprintf("Title: %v\nDescription: %v\nUser: %v\nDate: %v", t.Title, t.Description, t.UserOfTask, t.Date)
+}
+
+func Handler() ([]byte, error) {
+ 	user := User {
+ 		Username: "emirbarucija",
+ 		FirstName: "Emir",
+ 		LastName: "Baručija",
+ 	}
+
+ 	task1 := Task {
+ 		Title: "First task",
+ 		Description: "This is my first task in GO language",
+ 		UserOfTask: user,
+ 		Date: "10.04.2018.",
+ 	}
+
+ 	task2 := Task {
+ 		Title: "Second task",
+ 		Description: "This is my second task in GO language",
+ 		UserOfTask: user,
+ 		Date: "14.04.2018.",
+ 	}
+
+ 	tasks := []Task{task1, task2}
+
+	b, err := json.Marshal(tasks)
+
+   return b, err
 }