131 lines
3.2 KiB
Go
131 lines
3.2 KiB
Go
package radio
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"time"
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)
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type YoutubeChannel struct {
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Id string
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Name string
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}
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type PlaylistItem struct {
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Etag string
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Id string
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PublishedAt time.Time
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Channel YoutubeChannel
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VideoId string
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Title string
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Description string
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ThumbnailUrl string
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Position int
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}
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type PlaylistResponseSnippet struct {
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PublishedAt string `json:"publishedAt"`
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VideoOwnerChannelId string `json:"videoOwnerChannelId"`
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VideoOwnerChannelTitle string `json:"videoOwnerChannelTitle"`
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ResourceId PlaylistResponseResourceId `json:"resourceId"`
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Title string `json:"title"`
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Description string `json:"description"`
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Position int `json:"position"`
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}
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type PlaylistResponseItem struct {
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Etag string `json:"etag"`
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Id string `json:"id"`
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Snippet PlaylistResponseSnippet `json:"snippet"`
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}
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type PlaylistResponseResourceId struct {
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VideoId string `json:"videoId"`
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}
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type PlaylistResponse struct {
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Items []PlaylistResponseItem `json:"items"`
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NextPageToken string `json:"nextPageToken"`
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}
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func requestYouTubePlaylist(playlistId string, pageToken string) ([]PlaylistItem, string) {
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apiUrl, err := url.Parse("https://www.googleapis.com/youtube/v3/playlistItems")
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if err != nil {
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panic(err)
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}
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q := apiUrl.Query()
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q.Add("key", os.Getenv("GOOGLE_API_KEY"))
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q.Add("playlistId", playlistId)
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q.Add("part", "id,snippet,contentDetails,status")
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q.Add("maxResults", "50")
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if pageToken != "" {
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q.Add("pageToken", pageToken)
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}
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apiUrl.RawQuery = q.Encode()
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response, err := http.Get(apiUrl.String())
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if err != nil {
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return nil, ""
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}
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body, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, ""
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}
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//type playlistResponse PlaylistResponse
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var playlistItems PlaylistResponse
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err = json.Unmarshal(body, &playlistItems)
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if err != nil {
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return nil, ""
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}
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var items []PlaylistItem
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for _, item := range playlistItems.Items {
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publishedAt, err := time.Parse(time.RFC3339, item.Snippet.PublishedAt)
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if err != nil {
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panic(err)
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}
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items = append(items, PlaylistItem{
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Etag: item.Etag,
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Id: item.Id,
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PublishedAt: publishedAt,
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VideoId: item.Snippet.ResourceId.VideoId,
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Title: item.Snippet.Title,
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Description: item.Snippet.Description,
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ThumbnailUrl: fmt.Sprint("https://youtubethumbnails.prettysunflower.moe/", item.Snippet.ResourceId.VideoId),
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Position: item.Snippet.Position,
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Channel: YoutubeChannel{
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Id: item.Snippet.VideoOwnerChannelId,
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Name: item.Snippet.VideoOwnerChannelTitle,
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},
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})
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}
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return items, playlistItems.NextPageToken
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}
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func getPlaylistOfVideos(playlistId string) []PlaylistItem {
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var playlistItems []PlaylistItem
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nextPageToken := ""
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for {
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newItems, newNextPageToken := requestYouTubePlaylist(playlistId, nextPageToken)
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playlistItems = append(playlistItems, newItems...)
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if newNextPageToken == "" {
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return playlistItems
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}
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nextPageToken = newNextPageToken
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}
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}
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