function getInfo()
{
global $hash, $apikey;
$restquery = "https://www.googleapis.com/youtube/v3/channels?part=brandingSettings,status,id,snippet,contentDetails,contentOwnerDetails,statistics,topicDetails,invideoPromotion&id=" . $hash . "&key=" . $apikey;
// example
//$hash = "LLP2X3cVGXP0r56gOGhiRDlA";
//$restquery = "https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&playlistId=".$hash."&maxResults=50&key=".$apikey;
$reply = doAPIRequest($restquery);
/*
echo '<pre>';
print_r($reply->items[0]);
echo '</pre>';
*/
echo "<hr /><br />";
echo '<table class="resulttable">';
foreach ($reply->items[0] as $key => $var) {
echo '<tr class="resulttable">';
echo '<td class="resulttableHi"><b>' . $key . '</b></td>';
if (gettype($var) != "object" && gettype($var2) != "array") {
echo '<td class="resulttable">' . $var . '</td>';
} else {
echo '<td class="resulttable">';
echo '<table style="display:inline">';
foreach ($var as $key2 => $var2) {
echo '<tr>';
echo '<td><b>' . $key2 . '</b></td>';
if (gettype($var2) != "object" && gettype($var2) != "array") {
echo '<td>' . $var2 . '</td>';
} else {
echo '<td class="resulttable">';
echo '<table style="display:inline">';
foreach ($var2 as $key3 => $var3) {
echo '<tr>';
echo '<td><b>' . $key3 . '</b></td>';
if (gettype($var3) != "object" && gettype($var3) != "array") {
echo '<td>' . $var3 . '</td>';
} else {
echo '<td class="resulttable">';
echo '<table style="display:inline">';
foreach ($var3 as $key4 => $var4) {
echo '<tr>';
echo '<td><b>' . $key4 . '</b></td>';
if (gettype($var4) != "object" && gettype($var) != "array") {
echo '<td>' . $var4 . '</td>';
} else {
echo '<td>' . $var4 . '</td>';
}
echo '</tr>';
}
echo '</table>';
echo '</td>';
}
echo '</tr>';
}
echo '</table>';
echo '</td>';
}
echo '</tr>';
}
echo '</table>';
echo '</td>';
}
echo '</tr>';
}
echo '</table>';
}
function makeStatsFromIds($ids)
{
global $apikey, $mode;
$vids = array();
$lookup = array();
$categoryIds = array();
echo "<br />Getting video details (" . count($ids) . "): ";
for ($i = 0; $i < count($ids); $i++) {
$vid = $ids[$i];
$lookup[$vid] = $i;
// este es el codigo que habrá que combinar. ¿Qué información es la que se pide en el módulo de los comentarios?
// Específicamente, en la parte del módulo de los comentarios en los que se enumera qué usuarios hicieron qué comentarios...
$restquery = "https://www.googleapis.com/youtube/v3/videos?part=statistics,contentDetails,snippet&id=" . $vid . "&key=" . $apikey;
$reply = doAPIRequest($restquery);
$vid = $reply->items[0];
//print_r($vid); exit;
// convert YT duraction format to seconds
preg_match_all('/(\\d+)/', $vid->contentDetails->duration, $parts);
$tmptime = array_reverse($parts[0]);
$smulti = 1;
$seconds = 0;
for ($j = 0; $j < count($tmptime); $j++) {
$seconds += $tmptime[$j] * $smulti;
$smulti = $smulti * 60;
}
// collect categories
if (!in_array($vid->snippet->categoryId, $categoryIds)) {
$categoryIds[] = $vid->snippet->categoryId;
}
$row = array();
$row["channelId"] = $vid->snippet->channelId;
$row["channelTitle"] = $vid->snippet->channelTitle;
$row["videoId"] = $vid->id;
$row["publishedAt"] = $vid->snippet->publishedAt;
$row["videoTitle"] = preg_replace("/\\s+/", " ", $vid->snippet->title);
$row["videoDescription"] = preg_replace("/\\s+/", " ", $vid->snippet->description);
$row["videoCategoryId"] = $vid->snippet->categoryId;
$row["videoCategoryLabel"] = "";
$row["duration"] = $vid->contentDetails->duration;
$row["durationSec"] = $seconds;
$row["dimension"] = $vid->contentDetails->dimension;
$row["definition"] = $vid->contentDetails->definition;
$row["caption"] = $vid->contentDetails->caption;
$row["licensedContent"] = $vid->contentDetails->licensedContent;
$row["viewCount"] = $vid->statistics->viewCount;
$row["likeCount"] = $vid->statistics->likeCount;
$row["dislikeCount"] = $vid->statistics->dislikeCount;
$row["favoriteCount"] = $vid->statistics->favoriteCount;
$row["commentCount"] = $vid->statistics->commentCount;
$vids[] = $row;
//print_r($row); exit;
echo $i . " ";
flush();
ob_flush();
}
// get category labels and assign to videos
$restquery = "https://www.googleapis.com/youtube/v3/videoCategories?part=snippet&id=" . urlencode(implode(",", $categoryIds)) . "&key=" . $apikey;
$reply = doAPIRequest($restquery);
$categoryTrans = array();
foreach ($reply->items as $cat) {
$categoryTrans[$cat->id] = $cat->snippet->title;
}
for ($i = 0; $i < count($vids); $i++) {
$vids[$i]["videoCategoryLabel"] = $categoryTrans[$vids[$i]["videoCategoryId"]];
}
// create TSV file
$content_tsv = "position\t" . implode("\t", array_keys($vids[0])) . "\n";
for ($i = 0; $i < count($vids); $i++) {
$content_tsv .= $i + 1 . "\t" . implode("\t", $vids[$i]) . "\n";
}
$filename = "videolist_" . $mode . count($vids) . "_" . date("Y_m_d-H_i_s");
if (isset($_POST["filename"])) {
$filename = $_POST["filename"] . "_" . $filename;
}
file_put_contents("./data/" . $filename . ".tab", $content_tsv);
echo '<br /><br />The script has created a file with ' . count($vids) . ' rows.<br /><br />
your files:<br />
<a href="./data/' . $filename . '.tab">' . $filename . '.tab</a><br />';
}
function makeNetworkFromIds($depth)
{
global $apikey, $nodes, $edges, $ids, $crawldepth;
echo "<br /><br />getting details for " . count($ids) . " videos at depth " . $depth . ": ";
$newids = array();
$categoryIds = array();
for ($i = 0; $i < count($ids); $i++) {
$vid = $ids[$i];
$restquery = "https://www.googleapis.com/youtube/v3/videos?part=statistics,contentDetails,snippet&id=" . $vid . "&key=" . $apikey;
$reply = doAPIRequest($restquery);
if (isset($reply->items[0])) {
$video = $reply->items[0];
// collect categories
if (!in_array($video->snippet->categoryId, $categoryIds)) {
$categoryIds[] = $video->snippet->categoryId;
}
$row = array();
$row["channelId"] = $video->snippet->channelId;
$row["channelTitle"] = preg_replace("/\\s+/", " ", $video->snippet->channelTitle);
$row["videoId"] = $video->id;
$row["publishedAt"] = strtotime($video->snippet->publishedAt);
$row["videoTitle"] = preg_replace("/\\s+/", " ", $video->snippet->title);
$row["videoDescription"] = preg_replace("/\\s+/", " ", $video->snippet->description);
$row["videoCategoryId"] = $video->snippet->categoryId;
$row["videoCategoryLabel"] = "";
$row["duration"] = $video->contentDetails->duration;
$row["dimension"] = $video->contentDetails->dimension;
$row["definition"] = $video->contentDetails->definition;
$row["caption"] = $video->contentDetails->caption;
$row["licensedContent"] = $video->contentDetails->licensedContent;
$row["viewCount"] = $video->statistics->viewCount;
$row["likeCount"] = $video->statistics->likeCount;
$row["dislikeCount"] = $video->statistics->dislikeCount;
$row["favoriteCount"] = $video->statistics->favoriteCount;
$row["commentCount"] = $video->statistics->commentCount;
$nodes[$vid] = $row;
if ($depth == 0) {
$nodes[$vid]["isSeed"] = "yes";
$nodes[$vid]["seedRank"] = $i + 1;
} else {
$nodes[$vid]["isSeed"] = "no";
$nodes[$vid]["seedRank"] = "";
}
}
echo $i . " ";
flush();
ob_flush();
}
// get category labels and assign to videos
$restquery = "https://www.googleapis.com/youtube/v3/videoCategories?part=snippet&id=" . urlencode(implode(",", $categoryIds)) . "&key=" . $apikey;
$reply = doAPIRequest($restquery);
$categoryTrans = array();
foreach ($reply->items as $cat) {
$categoryTrans[$cat->id] = $cat->snippet->title;
}
foreach ($nodes as $key => $node) {
$nodes[$key]["videoCategoryLabel"] = $categoryTrans[$node["videoCategoryId"]];
}
echo "<br />getting related videos for " . count($ids) . " videos at depth " . $depth . ": ";
for ($i = 0; $i < count($ids); $i++) {
$vid = $ids[$i];
// get related videos
$run = true;
$nextpagetoken = null;
while ($run == true) {
$restquery = "https://www.googleapis.com/youtube/v3/search?part=id&maxResults=50&relatedToVideoId=" . $vid . "&type=video&key=" . $apikey;
if ($nextpagetoken != null) {
$restquery .= "&pageToken=" . $nextpagetoken;
}
$reply = doAPIRequest($restquery);
foreach ($reply->items as $item) {
$featid = $item->id->videoId;
if (!isset($nodes[$featid])) {
if (!in_array($featid, $newids)) {
$newids[] = $featid;
}
if ($depth < $crawldepth) {
$edgeid = $vid . "_|_|X|_|_" . $featid;
$edges[$edgeid] = true;
}
} else {
$edgeid = $vid . "_|_|X|_|_" . $featid;
$edges[$edgeid] = true;
}
}
if (isset($reply->nextPageToken) && $reply->nextPageToken != "") {
$nextpagetoken = $reply->nextPageToken;
} else {
$run = false;
}
}
echo $i . " ";
flush();
ob_flush();
}
if ($depth == $crawldepth) {
//print_r($nodes); exit;
renderNetwork();
} else {
//print_r($newids);
$ids = $newids;
$depth++;
makeNetworkFromIds($depth);
}
}
function getComments($videohash)
{
global $apikey, $html, $filename;
// get toplevel comments first
$nextpagetoken = null;
$run = true;
$comments = array();
echo "<br />getting comments: ";
flush();
ob_flush();
while ($run == true) {
$restquery = "https://www.googleapis.com/youtube/v3/commentThreads?part=snippet&maxResults=100&videoId=" . $videohash . "&key=" . $apikey;
if ($nextpagetoken != null) {
$restquery .= "&pageToken=" . $nextpagetoken;
}
$reply = doAPIRequest($restquery);
foreach ($reply->items as $item) {
$comments[] = $item;
}
echo " " . count($comments);
flush();
ob_flush();
if (isset($reply->nextPageToken) && $reply->nextPageToken != "") {
$nextpagetoken = $reply->nextPageToken;
} else {
$run = false;
}
}
// work through top level comments and get replies
$nodecomments = array();
$counter = 0;
echo "<br /><br/>digging into thread structure: ";
flush();
ob_flush();
foreach ($comments as $comment) {
echo " " . $counter;
$counter++;
$tmp = array();
$tmp["id"] = $comment->id;
$tmp["replyCount"] = $comment->snippet->totalReplyCount;
$tmp["likeCount"] = $comment->snippet->topLevelComment->snippet->likeCount;
$tmp["publishedAt"] = date("Y-m-d H:i:s", strtotime($comment->snippet->topLevelComment->snippet->publishedAt));
$tmp["authorName"] = preg_replace("/\\s+/", " ", $comment->snippet->topLevelComment->snippet->authorDisplayName);
$tmp["text"] = preg_replace("/\\s+/", " ", $comment->snippet->topLevelComment->snippet->textDisplay);
$tmp["authorChannelId"] = $comment->snippet->topLevelComment->snippet->authorChannelId->value;
$tmp["authorChannelUrl"] = $comment->snippet->topLevelComment->snippet->authorChannelUrl;
$tmp["isReply"] = 0;
$tmp["isReplyTo"] = "";
$tmp["isReplyToName"] = "";
//print_r($tmp);
$nodecomments[] = $tmp;
if ($tmp["replyCount"] > 0) {
$replies = array();
$nextpagetoken = null;
$run = true;
while ($run == true) {
$restquery = "https://www.googleapis.com/youtube/v3/comments?part=snippet&maxResults=100&parentId=" . $tmp["id"] . "&key=" . $apikey;
if ($nextpagetoken != null) {
$restquery .= "&pageToken=" . $nextpagetoken;
}
$reply = doAPIRequest($restquery);
foreach ($reply->items as $item) {
$replies[] = $item;
}
if (isset($reply->nextPageToken) && $reply->nextPageToken != "") {
$nextpagetoken = $reply->nextPageToken;
} else {
$run = false;
}
}
foreach ($replies as $reply) {
$tmp2 = array();
$tmp2["id"] = $reply->id;
$tmp2["replyCount"] = "";
$tmp2["likeCount"] = $reply->snippet->likeCount;
$tmp2["publishedAt"] = date("Y-m-d H:i:s", strtotime($reply->snippet->publishedAt));
$tmp2["authorName"] = preg_replace("/\\s+/", " ", $reply->snippet->authorDisplayName);
$tmp2["text"] = preg_replace("/\\s+/", " ", $reply->snippet->textDisplay);
$tmp2["authorChannelId"] = $reply->snippet->authorChannelId->value;
$tmp2["authorChannelUrl"] = $reply->snippet->authorChannelUrl;
$tmp2["isReply"] = 1;
$tmp2["isReplyToId"] = $tmp["id"];
$tmp2["isReplyToName"] = $tmp["authorName"];
$nodecomments[] = $tmp2;
}
}
}
echo '<br /><br/>The script retrieved ' . count($nodecomments) . ' comments from ' . count($comments) . ' top level comments.';
$content = implode("\t", array_keys($nodecomments[0])) . "\n";
foreach ($nodecomments as $comment) {
$content .= implode("\t", $comment) . "\n";
}
file_put_contents("./data/" . $filename . "_comments.tab", $content);
return $nodecomments;
}
}
}
if ($mode == "daterange") {
$i = 0;
$date_start = strtotime($_GET["date_start"] . " 23:59:59");
$date_end = strtotime($_GET["date_end"] . " 00:00:00");
$before = $date_start;
echo "Getting posts between timestamp " . $date_start . " and " . $date_end . ": ";
flush();
ob_flush();
while ($before >= $date_end) {
echo $i + 1 . " (" . $before . ") ";
flush();
ob_flush();
$i++;
$data = doAPIRequest($url . $before);
$before = $data->response[count($data->response) - 1]->timestamp;
foreach ($data->response as $response) {
if ($response->timestamp >= $date_end) {
$results[] = $response;
}
}
sleep(0.5);
}
}
// create graph and lists
$tags = array();
$edges = array();
$posts = array();
foreach ($results as $item) {
//print_r($item);
function makeNetworkFromIds($depth)
{
global $apikey, $nodes, $edges, $ids, $crawldepth, $subscriptions;
echo "<br /><br />getting details for " . count($ids) . " channels at depth " . $depth . ": ";
$newids = array();
for ($i = 0; $i < count($ids); $i++) {
$chid = $ids[$i];
//$restquery = "https://www.googleapis.com/youtube/v3/channels?part=brandingSettings,status,id,snippet,contentDetails,contentOwnerDetails,statistics,topicDetails,invideoPromotion&id=".$chid."&key=".$apikey;
$restquery = "https://www.googleapis.com/youtube/v3/channels?part=brandingSettings,id,snippet,statistics&id=" . $chid . "&key=" . $apikey;
$reply = doAPIRequest($restquery);
//print_r($reply);
if (isset($reply->items[0])) {
$nodes[$chid] = $reply->items[0];
$nodes[$chid]->done = false;
if ($depth == 0) {
$nodes[$chid]->isSeed = "yes";
$nodes[$chid]->seedRank = $i + 1;
} else {
$nodes[$chid]->isSeed = "no";
$nodes[$chid]->seedRank = "";
}
}
echo $i . " ";
flush();
ob_flush();
}
//print_r($nodes);
if ($subscriptions == "on") {
echo "<br />getting subscriptions for " . count($ids) . " channels at depth " . $depth . ": ";
$counter = 0;
}
foreach ($nodes as $nodeid => $nodedata) {
if (isset($nodedata->brandingSettings->channel->featuredChannelsUrls)) {
foreach ($nodedata->brandingSettings->channel->featuredChannelsUrls as $featid) {
if (!isset($nodes[$featid])) {
if (!in_array($featid, $newids)) {
$newids[] = $featid;
}
if ($depth < $crawldepth) {
$edgeid = $nodeid . "_|_|X|_|_" . $featid;
$edges[$edgeid] = true;
}
} else {
$edgeid = $nodeid . "_|_|X|_|_" . $featid;
$edges[$edgeid] = true;
}
}
}
if ($subscriptions == "on" && $nodedata->done == false) {
$run = true;
$nextpagetoken = null;
echo $counter . " ";
flush();
ob_flush();
$counter++;
while ($run == true) {
$restquery = "https://www.googleapis.com/youtube/v3/subscriptions?part=snippet&channelId=" . $nodedata->id . "&maxResults=50&key=" . $apikey;
if ($nextpagetoken != null) {
$restquery .= "&pageToken=" . $nextpagetoken;
}
$reply = doAPIRequest($restquery);
//print_r($reply); exit;
foreach ($reply->items as $item) {
$featid = $item->snippet->resourceId->channelId;
//print_r($item);
if (!isset($nodes[$featid])) {
if (!in_array($featid, $newids)) {
$newids[] = $featid;
}
if ($depth < $crawldepth) {
$edgeid = $nodeid . "_|_|X|_|_" . $featid;
$edges[$edgeid] = true;
}
} else {
$edgeid = $nodeid . "_|_|X|_|_" . $featid;
$edges[$edgeid] = true;
}
}
if (isset($reply->nextPageToken) && $reply->nextPageToken != "") {
$nextpagetoken = $reply->nextPageToken;
} else {
$run = false;
}
}
$nodes[$nodeid]->done = true;
}
//print_r($newids);
}
if ($depth == $crawldepth) {
renderNetwork();
} else {
$ids = $newids;
$depth++;
makeNetworkFromIds($depth);
}
}
