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package main
import (
"net/http"
"strconv"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
type (
user struct {
ID int `json:"id"`
Name string `json:"name"`
}
)
var (
users = map[int]*user{}
seq = 1
)
//----------
// Handlers
//----------
func createUser(c echo.Context) error {
u := &user{
ID: seq,
}
if err := c.Bind(u); err != nil {
return err
}
users[u.ID] = u
seq++
return c.JSON(http.StatusCreated, u)
}
func getUser(c echo.Context) error {
id, _ := strconv.Atoi(c.Param("id"))
return c.JSON(http.StatusOK, users[id])
}
func updateUser(c echo.Context) error {
u := new(user)
if err := c.Bind(u); err != nil {
return err
}
id, _ := strconv.Atoi(c.Param("id"))
users[id].Name = u.Name
return c.JSON(http.StatusOK, users[id])
}
func deleteUser(c echo.Context) error {
id, _ := strconv.Atoi(c.Param("id"))
delete(users, id)
return c.NoContent(http.StatusNoContent)
}
func main() {
e := echo.New()
// Middleware
e.Use(middleware.Logger())
e.Use(middleware.Recover())
// Routes
e.POST("/users", createUser)
e.GET("/users/:id", getUser)
e.PUT("/users/:id", updateUser)
e.DELETE("/users/:id", deleteUser)
// Start server
e.Logger.Fatal(e.Start(":1323"))
}
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