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main.go
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main.go
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package main
import (
"encoding/json"
"fmt"
"log"
"math/rand"
"net/http"
"strconv"
"github.com/gorilla/mux"
)
type Movie struct{
ID string `json:"id"`
Isbn string `json:"isbn"`
Title string `json:"title"`
Director *Director `json:"director"`
}
type Director struct {
Firstname string `json:"firstname"`
Lastname string `json:"lastname"`
}
var movies []Movie
func getMovies(w http.ResponseWriter, r *http.Request){
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(movies)
}
func deleteMovie(w http.ResponseWriter, r *http.Request){
w.Header().Set("Content-Type", "application/json")
params := mux.Vars(r)
for index, item := range movies{
if item.ID == params["id"] {
movies = append(movies[:index], movies[index+1:]...)
break
}
}
json.NewEncoder(w).Encode(movies)
}
func getMovie(w http.ResponseWriter, r *http.Request){
w.Header().Set("Content-Type", "application/json")
params := mux.Vars(r)
for _, item := range movies {
if item.ID == params["id"]{
json.NewEncoder(w).Encode(item)
return
}
}
}
func createMovie(w http.ResponseWriter, r *http.Request){
w.Header().Set("Content-Type", "application/json")
var movie Movie
_ = json.NewDecoder(r.Body).Decode(&movie)
movie.ID = strconv.Itoa(rand.Intn(100000000))
movies = append(movies, movie)
json.NewEncoder(w).Encode(movie)
}
func updateMovie(w http.ResponseWriter, r *http.Request)
{
w.Header().Set("Content-Type", "application/json")
params := mux.Vars(r)
for index, item := range movies{
if item.ID == params["id"]{
movies = append(movies[:index], movies[index+1:]...)
var movie Movie
movie.ID = params["id"]
movies = append(movies, movie)
json.NewEncoder(w).Encode(movie)
return
}
}
}
func main(){
r := mux.NewRouter()
movies = append(movies, Movie{ID: "1", Isbn: "4348374", Title: "Movie One", Director: &Director{Firstname: "John", Lastname: "Doe"}})
movies = append(movies, Movie{ID: "2", Isbn: "8324274", Title: "Movie Two", Director: &Director{Firstname: "Steve", Lastname: "Smith"}})
r.HandleFunc("/movies", getMovies).Methods("GET")
r.HandleFunc("/movies/{id}", getMovie).Methods("GET")
r.HandleFunc("/movies", createMovie).Methods("POST")
r.HandleFunc("/movies/{id}", updateMovie).Methods("PUT")
r.HandleFunc("/movies/{id}", deleteMovie).Methods("DELETE")
fmt.Printf("Starting server at port 8000\n")
log.Fatal(http.ListenAndServe(":8000",r))
}