user.go

package main

import (
	"encoding/json"
	"net/http"

	"github.com/gorilla/mux"
)

func GetUsers(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	var users []User
	DB.Find(&users)
	json.NewEncoder(w).Encode(users)
}

func GetUser(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	params := mux.Vars(r)
	var user User
	DB.First(&user, params["id"])
	json.NewEncoder(w).Encode(user)
}

func CreateUser(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	var user User
	json.NewDecoder(r.Body).Decode(&user)
	DB.Create(&user)
	json.NewEncoder(w).Encode(user)
}

func UpdateUser(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	params := mux.Vars(r)
	var user User
	DB.First(&user, params["id"])
	json.NewDecoder(r.Body).Decode(&user)
	DB.Save(&user)
	json.NewEncoder(w).Encode(user)
}

func DeleteUser(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	params := mux.Vars(r)
	var user User
	DB.Delete(&user, params["id"])
	json.NewEncoder(w).Encode(user)
}