catalog.go

package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
)

type FeedAttachment struct {
	Url         string `json:"url"`
	MimeType    string `json:"mime_type"`
	SizeInBytes uint64 `json:"size_in_bytes"`
}

type FeedEpisode struct {
	Id          string           `json:"id"`
	Url         string           `json:"url"`
	Title       string           `json:"title"`
	Html        string           `json:"content_html"`
	Published   string           `json:"date_published"`
	Attachments []FeedAttachment `json:"attachments,omitempty"`
}

type Episode struct {
	Id        string       `json:"id"` //XXX
	Season    int          `json:"season"`
	Episode   int          `json:"episode"`
	Title     string       `json:"title"`
	Thumbnail string       `json:"thumbnail,omitempty"`
	Released  string       `json:"released"`
	Streams   []StreamItem `json:"streams,omitempty"`
	Overview  string       `json:"overview,omitempty"`
}

// Map each show to a series item
type JupiterShow struct {
	Id          string    `json:"id"`
	Type        string    `json:"type"`
	Name        string    `json:"name"`
	Description string    `json:"description"`
	Logo        string    `json:"logo"`
	Poster      string    `json:"poster"`
	Genres      []string  `json:"genres"`
	EpisodeList []Episode `json:"videos,omitempty"`
	Feed        string    `json:"-"`
}

type JsonResponse struct {
	Version  string        `json:"version"`
	Title    string        `json:"title"`
	HomePage string        `json:"home_page_url"`
	FeedUrl  string        `json:"feed_url"`
	Episodes []FeedEpisode `json:"items"`
}

type StreamItem struct {
	Title       string `json:"title"`
	InfoHash    string `json:"infoHash,omitempty"`
	FileIdx     uint8  `json:"fileIdx,omitempty"`
	Url         string `json:"url"`
	YtId        string `json:"ytId,omitempty"`
	ExternalUrl string `json:"externalUrl,omitempty"`
}

var JUPITER_COM = "http://www.jupiterbroadcasting.com/"
var DEFAULT_GENRES = []string{"Education", "Technology"}
var FEED_BASE = "http://feed.jupiter.zone/"
var ALT_FEED_BASE = "http://feedpress.me/"
var FEED_FORMAT = "?format=json"

func InitShows() (showList []*JupiterShow) {
	showList = append(showList, &JupiterShow{
		Id:   "30020",
		Type: "series",
		Name: "BSD Now",
		Description: "A weekly show covering the latest developments in the world of the BSD" +
			"family of operating systems. News, Tutorials and Interviews for new " +
			" users and long time developers alike.",
		Logo:   "https://static.feedpress.it/logo/bsdnowvid-5abd82a07a0e6.jpg",
		Poster: "https://static.feedpress.it/logo/bsdnowvid-5abd82a07a0e6.jpg", //XXX
		Genres: DEFAULT_GENRES,
		Feed:   FEED_BASE + "bsdvid" + FEED_FORMAT,
	})

	showList = append(showList, &JupiterShow{
		Id:   "30017",
		Type: "series",
		Name: "Coder Radio",
		Description: "A weekly talk show taking a pragmatic look at the art and business of" +
			" Software Development and related technologies.",
		Logo:   "https://static.feedpress.it/logo/codervideo-5aafe52c954f4.jpg",
		Poster: "https://static.feedpress.it/logo/codervideo-5aafe52c954f4.jpg",
		Genres: DEFAULT_GENRES,
		Feed:   FEED_BASE + "codervid" + FEED_FORMAT,
	})

	showList = append(showList, &JupiterShow{
		Id:   "30019",
		Type: "series",
		Name: "LINUX Unplugged",
		Description: "The Linux Action Show with no prep, no limits, and tons of opinion." +
			" An open show powered by community LINUX Unplugged takes the best attributes" +
			" of open collaboration and focuses them into a weekly lifestyle show about Linux.",
		Logo:   "https://static.feedpress.it/logo/lupvid-5ab1c61d12ac2.jpg",
		Poster: "https://static.feedpress.it/logo/lupvid-5ab1c61d12ac2.jpg",
		Genres: DEFAULT_GENRES,
		Feed:   FEED_BASE + "lupvid" + FEED_FORMAT,
	})

	showList = append(showList, &JupiterShow{
		Id:   "30008",
		Type: "series",
		Name: "TechSNAP",
		Description: "TechSNAP our weekly Systems, Network, and Administration Podcast. Every week" +
			" TechSNAP covers the stories that impact those of us in the tech industry, and all" +
			" of us that follow it. Every episode we dedicate a portion of the show to answer " +
			"audience questions, discuss best practices, and solving your problems.",
		Logo:   "https://static.feedpress.it/logo/techsnapvid-5a208ae7c62dc.jpg",
		Poster: "https://static.feedpress.it/logo/techsnapvid-5a208ae7c62dc.jpg",
		Genres: DEFAULT_GENRES,
		Feed:   ALT_FEED_BASE + "techsnapvid" + FEED_FORMAT,
	})

	showList = append(showList, &JupiterShow{
		Id:   "30024",
		Type: "series",
		Name: "User Error",
		Description: "Life is a series of mistakes, but that's what makes it interesting. A show " +
			"about life, Linux, the universe, and everything in between.",
		Logo:   "https://static.feedpress.it/logo/uevideo-57c6160ae2eab.png",
		Poster: "https://static.feedpress.it/logo/uevideo-57c6160ae2eab.png",
		Genres: DEFAULT_GENRES,
		Feed:   ALT_FEED_BASE + "uevideo" + FEED_FORMAT,
	})

	for _, show := range showList {
		show.EpisodeList = UpdateEpisodes(*show)
	}

	return showList
}

func UpdateEpisodes(show JupiterShow) []Episode {
	resp, _ := http.Get(show.Feed)
	bytes, _ := ioutil.ReadAll(resp.Body)

	var jsonResponse JsonResponse
	err := json.Unmarshal(bytes, &jsonResponse)
	episodes := []Episode{}

	if err != nil {
		log.Printf("Error fetching jupiter feed: %v\n", err.Error())
		return episodes
	}

	for j, feedItem := range jsonResponse.Episodes {
		episode := Episode{
			Id:        fmt.Sprintf("%s:%d", show.Id, len(jsonResponse.Episodes)-j),
			Season:    2019,
			Episode:   len(jsonResponse.Episodes) - j,
			Title:     feedItem.Title,
			Thumbnail: show.Logo, //XXX: fetch better?
			Released:  feedItem.Published,
			Overview:  feedItem.Html,
			Streams:   []StreamItem{},
		}

		for _, attachment := range feedItem.Attachments {
			stream := StreamItem{
				/// XXX? Id:	"
				Title: "Jupiter Zone",
				Url:   attachment.Url,
			}
			episode.Streams = append(episode.Streams, stream)
		}

		episodes = append(episodes, episode)
	}

	return episodes
}