YouTube Service

/**
 * Searches for videos about dogs, then logs the video IDs and title.
 * Note that this sample limits the results to 25. To return more
 * results, pass additional parameters as shown in the YouTube Data API docs.
 * @see https://developers.google.com/youtube/v3/docs/search/list
 */
functionsearchByKeyword(){
try{
constresults=YouTube.Search.list("id,snippet",{
q:"dogs",
maxResults:25,
});
if(results===null){
console.log("Unable to search videos");
return;
}
for(constitemofresults.items){
console.log("[%s] Title: %s",item.id.videoId,item.snippet.title);
}
}catch(err){
// TODO (developer) - Handle exceptions from Youtube API
console.log("Failed with an error %s",err.message);
}
}

/**
 * This function retrieves the user's uploaded videos by:
 * 1. Fetching the user's channel's.
 * 2. Fetching the user's "uploads" playlist.
 * 3. Iterating through this playlist and logs the video IDs and titles.
 * 4. If there is a next page of resuts, fetching it and returns to step 3.
 */
functionretrieveMyUploads(){
try{
// @see https://developers.google.com/youtube/v3/docs/channels/list
constresults=YouTube.Channels.list("contentDetails",{
mine:true,
});
if(!results||results.items.length===0){
console.log("No Channels found.");
return;
}
for(leti=0;i < results.items.length;i++){
constitem=results.items[i];
/** Get the channel ID - it's nested in contentDetails, as described in the
 * Channel resource: https://developers.google.com/youtube/v3/docs/channels.
 */
constplaylistId=item.contentDetails.relatedPlaylists.uploads;
letnextPageToken=null;
do{
// @see: https://developers.google.com/youtube/v3/docs/playlistItems/list
constplaylistResponse=YouTube.PlaylistItems.list("snippet",{
playlistId:playlistId,
maxResults:25,
pageToken:nextPageToken,
});
if(!playlistResponse||playlistResponse.items.length===0){
console.log("No Playlist found.");
break;
}
for(letj=0;j < playlistResponse.items.length;j++){
constplaylistItem=playlistResponse.items[j];
console.log(
"[%s] Title: %s",
playlistItem.snippet.resourceId.videoId,
playlistItem.snippet.title,
);
}
nextPageToken=playlistResponse.nextPageToken;
}while(nextPageToken);
}
}catch(err){
// TODO (developer) - Handle exception
console.log("Failed with err %s",err.message);
}
}

/**
 * This sample subscribes the user to the Google Developers channel on YouTube.
 * @see https://developers.google.com/youtube/v3/docs/subscriptions/insert
 */
functionaddSubscription(){
// Replace this channel ID with the channel ID you want to subscribe to
constchannelId="UC_x5XG1OV2P6uZZ5FSM9Ttw";
constresource={
snippet:{
resourceId:{
kind:"youtube#channel",
channelId:channelId,
},
},
};
try{
constresponse=YouTube.Subscriptions.insert(resource,"snippet");
console.log(
"Added subscription for channel title : %s",
response.snippet.title,
);
}catch(e){
if(e.message.match("subscriptionDuplicate")){
console.log(
`Cannot subscribe; already subscribed to channel: ${channelId}`,
);
}else{
// TODO (developer) - Handle exception
console.log(`Error adding subscription: ${e.message}`);
}
}
}