电影海报 API 与图片 CDN

# the JSON call needs the key
curl -s "https://api.amodb.dev/3/movie/603/images?include_image_language=en,null" \
  -H "Authorization: Bearer $AMODB_KEY"

# the image call does not
curl -s -o poster.jpg "https://img.amodb.dev/t/p/w342/aOIuZAjPaRIE6CMzbazvcHuHXDc.jpg"

package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"os"
	"strings"
	"time"
)

const imgBase = "https://img.amodb.dev/t/p/"

type poster struct {
	FilePath string  `json:"file_path"`
	Lang     *string `json:"iso_639_1"`
	Width    int     `json:"width"`
}

type images struct {
	Posters []poster `json:"posters"`
}

func srcset(file string) string {
	var parts []string
	for _, w := range []int{185, 342, 500, 780} {
		parts = append(parts, fmt.Sprintf("%sw%d%s %dw", imgBase, w, file, w))
	}
	return strings.Join(parts, ", ")
}

func main() {
	client := &http.Client{Timeout: 10 * time.Second}

	url := "https://api.amodb.dev/3/movie/603/images?include_image_language=en,null"
	req, _ := http.NewRequest("GET", url, nil)
	req.Header.Set("Authorization", "Bearer "+os.Getenv("AMODB_KEY"))
	res, err := client.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	if res.StatusCode != http.StatusOK {
		panic(res.Status)
	}

	var imgs images
	if err := json.NewDecoder(res.Body).Decode(&imgs); err != nil {
		panic(err)
	}
	if len(imgs.Posters) == 0 {
		fmt.Println("no posters")
		return
	}

	best := imgs.Posters[0]
	for _, p := range imgs.Posters {
		if p.Width > best.Width {
			best = p
		}
	}
	lang := "none"
	if best.Lang != nil {
		lang = *best.Lang
	}
	fmt.Println("best poster:", best.FilePath, "language:", lang, "width:", best.Width)
	fmt.Println("srcset:", srcset(best.FilePath))

	// Image requests carry no key.
	pic, err := client.Get(imgBase + "w342" + best.FilePath)
	if err != nil {
		panic(err)
	}
	defer pic.Body.Close()
	if pic.StatusCode != http.StatusOK {
		panic(pic.Status)
	}
	out, err := os.Create("poster.jpg")
	if err != nil {
		panic(err)
	}
	defer out.Close()
	io.Copy(out, pic.Body)
}