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echo/recipe/google-app-engine/users.go

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package main
import (
"net/http"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
)
type (
user struct {
ID string `json:"id"`
Name string `json:"name"`
}
)
var (
users map[string]user
)
func init() {
users = map[string]user{
"1": user{
ID: "1",
Name: "Wreck-It Ralph",
},
}
// hook into the echo instance to create an endpoint group
// and add specific middleware to it plus handlers
g := e.Group("/users")
g.Use(middleware.CORS())
g.POST("", createUser)
g.GET("", getUsers)
g.GET("/:id", getUser)
}
func createUser(c echo.Context) error {
u := new(user)
if err := c.Bind(u); err != nil {
return err
}
users[u.ID] = *u
return c.JSON(http.StatusCreated, u)
}
func getUsers(c echo.Context) error {
return c.JSON(http.StatusOK, users)
}
func getUser(c echo.Context) error {
return c.JSON(http.StatusOK, users[c.Param("id")])
}