API IMDB

movies.go

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"os"
	"sort"
	"strconv"
	"strings"
)

type Response struct {
	Results []Search `json:"Search"`
}

type Search struct {
	Title string `json:"Title"`
	Year  string `json:"Year"`
	Type  string `json:"Type"`
}

type ByYear []Search

func (y ByYear) Len() int { return len(y) }
func (y ByYear) Swap(i, j int) {
	y[i], y[j] = y[j], y[i]
}
func (y ByYear) Less(i, j int) bool {
	y1, _ := strconv.Atoi(y[i].Year)
	y2, _ := strconv.Atoi(y[j].Year)

	return y1 < y2
}

// func (a ByAge) Len() int           { return len(a) }
// func (a ByAge) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
// func (a ByAge) Less(i, j int) bool { return a[i].Age < a[j].Age }

func main() {
	if len(os.Args) < 2 {
		fmt.Printf("Informe um nome de filme.")
		return
	}

	// ./go3 harry potter stone
	names := os.Args[1:]
	// [harry, potter, stone]
	name := strings.Join(names, "+")
	// harry+potter+stone

	searchMovie(name)
}

func searchMovie(name string) {
	url := fmt.Sprintf("http://www.omdbapi.com/?apikey=key&s=%s", name)
	resp, err := http.Get(url)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	r := Response{}
	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
		panic(err)
	}

	sort.Sort(ByYear(r.Results))

	for _, movie := range r.Results {
		if movie.Type != "movie" {
			continue
		}
		fmt.Printf("%s - %s\n", movie.Title, movie.Year)
	}
}