rss-bridge/bridges/PepperBridgeAbstract.php

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<?php
class PepperBridgeAbstract extends BridgeAbstract
{
const CACHE_TIMEOUT = 3600;
public function collectData()
{
switch ($this->queriedContext) {
case $this->i8n('context-keyword'):
return $this->collectDataKeywords();
break;
case $this->i8n('context-group'):
return $this->collectDataGroup();
break;
case $this->i8n('context-talk'):
return $this->collectDataTalk();
break;
}
}
/**
* Get the Deal data from the choosen group in the choosed order
*/
protected function collectDataGroup()
{
$url = $this->getGroupURI();
$this->collectDeals($url);
}
/**
* Get the Deal data from the choosen keywords and parameters
*/
protected function collectDataKeywords()
{
/* Even if the original website uses POST with the search page, GET works too */
$url = $this->getSearchURI();
$this->collectDeals($url);
}
/**
* Get the Deal data using the given URL
*/
protected function collectDeals($url)
{
$html = getSimpleHTMLDOM($url);
$list = $html->find('article[id]');
// Deal Image Link CSS Selector
$selectorImageLink = implode(
' ', /* Notice this is a space! */
[
'cept-thread-image-link',
'imgFrame',
'imgFrame--noBorder',
'thread-listImgCell',
]
);
// Deal Link CSS Selector
$selectorLink = implode(
' ', /* Notice this is a space! */
[
'cept-tt',
'thread-link',
'linkPlain',
]
);
// Deal Hotness CSS Selector
$selectorHot = implode(
' ', /* Notice this is a space! */
[
'vote-box'
]
);
// Deal Description CSS Selector
$selectorDescription = implode(
' ', /* Notice this is a space! */
[
'overflow--wrap-break'
]
);
// Deal Date CSS Selector
$selectorDate = implode(
' ', /* Notice this is a space! */
[
'size--all-s',
'flex',
'boxAlign-jc--all-fe'
]
);
// If there is no results, we don't parse the content because it display some random deals
$noresult = $html->find('h3[class=size--all-l]', 0);
if ($noresult != null && strpos($noresult->plaintext, $this->i8n('no-results')) !== false) {
$this->items = [];
} else {
foreach ($list as $deal) {
$item = [];
$item['uri'] = $this->getDealURI($deal);
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$item['title'] = $this->getTitle($deal);
$item['author'] = $deal->find('span.thread-username', 0)->plaintext;
$item['content'] = '<table><tr><td><a href="'
. $item['uri']
. '"><img src="'
. $this->getImage($deal)
. '"/></td><td>'
. $this->getHTMLTitle($item)
. $this->getPrice($deal)
. $this->getDiscount($deal)
. $this->getShipsFrom($deal)
. $this->getShippingCost($deal)
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. $this->getSource($deal)
. $deal->find('div[class*=' . $selectorDescription . ']', 0)->innertext
. '</td><td>'
. $deal->find('div[class*=' . $selectorHot . ']', 0)
->find('span', 0)->outertext
. '</td></table>';
// Check if a clock icon is displayed on the deal
$clocks = $deal->find('svg[class*=icon--clock]');
if ($clocks !== null && count($clocks) > 0) {
// Get the last clock, corresponding to the deal posting date
$clock = end($clocks);
// Find the text corresponding to the clock
$spanDateDiv = $clock->parent()->find('span[class=hide--toW3]', 0);
$itemDate = $spanDateDiv->plaintext ?? '';
// In case of a Local deal, there is no date, but we can use
// this case for other reason (like date not in the last field)
if ($this->contains($itemDate, $this->i8n('localdeal'))) {
$item['timestamp'] = time();
} elseif ($this->contains($itemDate, $this->i8n('relative-date-indicator'))) {
$item['timestamp'] = $this->relativeDateToTimestamp($itemDate);
} else {
$item['timestamp'] = $this->parseDate($itemDate);
}
}
$this->items[] = $item;
}
}
}
/**
* Get the Talk lastest comments
*/
protected function collectDataTalk()
{
$threadURL = $this->getInput('url');
$onlyWithUrl = $this->getInput('only_with_url');
// Get Thread ID from url passed in parameter
$threadSearch = preg_match('/-([0-9]{1,20})$/', $threadURL, $matches);
// Show an error message if we can't find the thread ID in the URL sent by the user
if ($threadSearch !== 1) {
returnClientError($this->i8n('thread-error'));
}
$threadID = $matches[1];
$url = $this->i8n('bridge-uri') . 'graphql';
// Get Cookies header to do the query
$cookies = $this->getCookies($url);
// GraphQL String
// This was extracted from https://www.dealabs.com/assets/js/modern/common_211b99.js
// This string was extracted during a Website visit, and minified using this neat tool :
// https://codepen.io/dangodev/pen/Baoqmoy
$graphqlString = <<<'HEREDOC'
query comments($filter:CommentFilter!,$limit:Int,$page:Int){comments(filter:$filter,limit:$limit,page:$page){
items{...commentFields}pagination{...paginationFields}}}fragment commentFields on Comment{commentId threadId url
preparedHtmlContent user{...userMediumAvatarFields...userNameFields...userPersonaFields bestBadge{...badgeFields}}
reactionCounts{type count}deletable currentUserReaction{type}reported reportable source status createdAt updatedAt
ignored popular deletedBy{username}notes{content createdAt user{username}}lastEdit{reason timeAgo userId}}fragment
userMediumAvatarFields on User{userId isDeletedOrPendingDeletion imageUrls(slot:"default",variations:
["user_small_avatar"])}fragment userNameFields on User{userId username isUserProfileHidden isDeletedOrPendingDeletion}
fragment userPersonaFields on User{persona{type text}}fragment badgeFields on Badge{badgeId level{...badgeLevelFields}}
fragment badgeLevelFields on BadgeLevel{key name description}fragment paginationFields on Pagination{count current last
next previous size order}
HEREDOC;
// Construct the JSON object to send to the Website
$queryArray = [
'query' => $graphqlString,
'variables' => [
'filter' => [
'threadId' => [
'eq' => $threadID,
],
'order' => [
'direction' => 'Descending',
],
],
'page' => 1,
],
];
$queryJSON = json_encode($queryArray);
// HTTP headers
$header = [
'Content-Type: application/json',
'Accept: application/json, text/plain, */*',
'X-Pepper-Txn: threads.show',
'X-Request-Type: application/vnd.pepper.v1+json',
'X-Requested-With: XMLHttpRequest',
$cookies,
];
// CURL Options
$opts = [
CURLOPT_POST => 1,
CURLOPT_POSTFIELDS => $queryJSON
];
$json = getContents($url, $header, $opts);
$objects = json_decode($json);
foreach ($objects->data->comments->items as $comment) {
$item = [];
$item['uri'] = $comment->url;
$item['title'] = $comment->user->username . ' - ' . $comment->createdAt;
$item['author'] = $comment->user->username;
$item['content'] = $comment->preparedHtmlContent;
$item['uid'] = $comment->commentId;
// Timestamp handling needs a new parsing function
if ($onlyWithUrl == true) {
// Count Links and Quote Links
$content = str_get_html($item['content']);
$countLinks = count($content->find('a[href]'));
$countQuoteLinks = count($content->find('a[href][class=userHtml-quote-source]'));
// Only add element if there are Links ans more links tant Quote links
if ($countLinks > 0 && $countLinks > $countQuoteLinks) {
$this->items[] = $item;
}
} else {
$this->items[] = $item;
}
}
}
/**
* Extract the cookies obtained from the URL
* @return array the array containing the cookies set by the URL
*/
private function getCookies($url)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// get headers too with this line
curl_setopt($ch, CURLOPT_HEADER, 1);
$result = curl_exec($ch);
// get cookie
// multi-cookie variant contributed by @Combuster in comments
preg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $result, $matches);
$cookies = [];
foreach ($matches[1] as $item) {
parse_str($item, $cookie);
$cookies = array_merge($cookies, $cookie);
}
$header = 'Cookie: ';
foreach ($cookies as $name => $content) {
$header .= $name . '=' . $content . '; ';
}
return $header;
}
/**
* Check if the string $str contains any of the string of the array $arr
* @return boolean true if the string matched anything otherwise false
*/
private function contains($str, array $arr)
{
foreach ($arr as $a) {
if (stripos($str, $a) !== false) {
return true;
}
}
return false;
}
/**
* Get the Price from a Deal if it exists
* @return string String of the deal price
*/
private function getPrice($deal)
{
if (
$deal->find(
'span[class*=thread-price]',
0
) != null
) {
return '<div>' . $this->i8n('price') . ' : '
. $deal->find(
'span[class*=thread-price]',
0
)->plaintext
. '</div>';
} else {
return '';
}
}
/**
* Get the Title from a Deal if it exists
* @return string String of the deal title
*/
private function getTitle($deal)
{
$titleRoot = $deal->find('div[class*=threadGrid-title]', 0);
$titleA = $titleRoot->find('a[class*=thread-link]', 0);
$titleFirstChild = $titleRoot->first_child();
if ($titleA !== null) {
$title = $titleA->plaintext;
} else {
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// In some case, expired deals have a different format
$title = $titleRoot->find('span', 0)->plaintext;
}
return $title;
}
/**
* Get the Title from a Talk if it exists
* @return string String of the Talk title
*/
private function getTalkTitle()
{
$html = getSimpleHTMLDOMCached($this->getInput('url'));
$title = $html->find('h1[class=thread-title]', 0)->plaintext;
return $title;
}
/**
* Get the HTML Title code from an item
* @return string String of the deal title
*/
private function getHTMLTitle($item)
{
if ($item['uri'] == '') {
$html = '<h2>' . $item['title'] . '</h2>';
} else {
$html = '<h2><a href="' . $item['uri'] . '">'
. $item['title'] . '</a></h2>';
}
return $html;
}
/**
* Get the URI from a Deal if it exists
* @return string String of the deal URI
*/
private function getDealURI($deal)
{
$uriA = $deal->find('div[class*=threadGrid-title]', 0)->find('a[class*=thread-link]', 0);
if ($uriA === null) {
$uri = '';
} else {
$uri = $uriA->href;
}
return $uri;
}
/**
* Get the Shipping costs from a Deal if it exists
* @return string String of the deal shipping Cost
*/
private function getShippingCost($deal)
{
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if ($deal->find('span[class*=space--ml-2 size--all-s overflow--wrap-off]', 0) != null) {
if ($deal->find('span[class*=space--ml-2 size--all-s overflow--wrap-off]', 0)->children(1) != null) {
return '<div>' . $this->i8n('shipping') . ' : '
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. $deal->find('span[class*=space--ml-2 size--all-s overflow--wrap-off]', 0)->children(1)->innertext
. '</div>';
} else {
return '<div>' . $this->i8n('shipping') . ' : '
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. $deal->find('span[class*=text--color-greyShade flex--inline]', 0)->innertext
. '</div>';
}
} else {
return '';
}
}
/**
* Get the source of a Deal if it exists
* @return string String of the deal source
*/
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private function getSource($deal)
{
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if ($deal->find('a[class*=text--color-greyShade]', 0) != null) {
return '<div>' . $this->i8n('origin') . ' : '
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. $deal->find('a[class*=text--color-greyShade]', 0)->outertext
. '</div>';
} else {
return '';
}
}
/**
* Get the original Price and discout from a Deal if it exists
* @return string String of the deal original price and discount
*/
private function getDiscount($deal)
{
if ($deal->find('span[class*=mute--text text--lineThrough]', 0) != null) {
$discountHtml = $deal->find('span[class=space--ml-1 size--all-l size--fromW3-xl]', 0);
if ($discountHtml != null) {
$discount = $discountHtml->plaintext;
} else {
$discount = '';
}
return '<div>' . $this->i8n('discount') . ' : <span style="text-decoration: line-through;">'
. $deal->find(
'span[class*=mute--text text--lineThrough]',
0
)->plaintext
. '</span>&nbsp;'
. $discount
. '</div>';
} else {
return '';
}
}
/**
* Get the Picture URL from a Deal if it exists
* @return string String of the deal Picture URL
*/
private function getImage($deal)
{
$selectorLazy = implode(
' ', /* Notice this is a space! */
[
'thread-image',
'width--all-auto',
'height--all-auto',
'imgFrame-img',
'img--dummy',
'js-lazy-img'
]
);
$selectorPlain = implode(
' ', /* Notice this is a space! */
[
'thread-image',
'width--all-auto',
'height--all-auto',
'imgFrame-img',
]
);
if ($deal->find('img[class=' . $selectorLazy . ']', 0) != null) {
return json_decode(
html_entity_decode(
$deal->find('img[class=' . $selectorLazy . ']', 0)
->getAttribute('data-lazy-img')
)
)->{'src'};
} else {
return $deal->find('img[class*=' . $selectorPlain . ']', 0)->src;
}
}
/**
* Get the originating country from a Deal if it exists
* @return string String of the deal originating country
*/
private function getShipsFrom($deal)
{
$selector = implode(
' ', /* Notice this is a space! */
[
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'hide--toW2',
'metaRibbon',
]
);
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if ($deal->find('span[class*=' . $selector . ']', 0) != null) {
$children = $deal->find('span[class*=' . $selector . ']', 0)->children(2);
if ($children) {
return '<div>' . $children->plaintext . '</div>';
}
}
return '';
}
/**
* Transforms a local date into a timestamp
* @return int timestamp of the input date
*/
private function parseDate($string)
{
$month_local = $this->i8n('local-months');
$month_en = [
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December'
];
// A date can be prfixed with some words, we remove theme
$string = $this->removeDatePrefixes($string);
// We translate the local months name in the english one
$date_str = trim(str_replace($month_local, $month_en, $string));
// If the date does not contain any year, we add the current year
if (!preg_match('/[0-9]{4}/', $string)) {
$date_str .= ' ' . date('Y');
}
// Add the Hour and minutes
$date_str .= ' 00:00';
$date = DateTime::createFromFormat('j F Y H:i', $date_str);
// In some case, the date is not recognized : as a workaround the actual date is taken
if ($date === false) {
$date = new DateTime();
}
return $date->getTimestamp();
}
/**
* Remove the prefix of a date if it has one
* @return the date without prefiux
*/
private function removeDatePrefixes($string)
{
$string = str_replace($this->i8n('date-prefixes'), [], $string);
return $string;
}
/**
* Remove the suffix of a relative date if it has one
* @return the relative date without suffixes
*/
private function removeRelativeDateSuffixes($string)
{
if (count($this->i8n('relative-date-ignore-suffix')) > 0) {
$string = preg_replace($this->i8n('relative-date-ignore-suffix'), '', $string);
}
return $string;
}
/**
* Transforms a relative local date into a timestamp
* @return int timestamp of the input date
*/
private function relativeDateToTimestamp($str)
{
$date = new DateTime();
// In case of update date, replace it by the regular relative date first word
$str = str_replace($this->i8n('relative-date-alt-prefixes'), $this->i8n('local-time-relative')[0], $str);
$str = $this->removeRelativeDateSuffixes($str);
$search = $this->i8n('local-time-relative');
$replace = [
'-',
'minute',
'hour',
'day',
'month',
'year',
''
];
$date->modify(str_replace($search, $replace, $str));
return $date->getTimestamp();
}
/**
* Returns the RSS Feed title according to the parameters
* @return string the RSS feed Tiyle
*/
public function getName()
{
switch ($this->queriedContext) {
case $this->i8n('context-keyword'):
return $this->i8n('bridge-name') . ' - ' . $this->i8n('title-keyword') . ' : ' . $this->getInput('q');
break;
case $this->i8n('context-group'):
return $this->i8n('bridge-name') . ' - ' . $this->i8n('title-group') . ' : ' . $this->getKey('group');
break;
case $this->i8n('context-talk'):
return $this->i8n('bridge-name') . ' - ' . $this->i8n('title-talk') . ' : ' . $this->getTalkTitle();
break;
default: // Return default value
return static::NAME;
}
}
/**
* Returns the RSS Feed URI according to the parameters
* @return string the RSS feed Title
*/
public function getURI()
{
switch ($this->queriedContext) {
case $this->i8n('context-keyword'):
return $this->getSearchURI();
break;
case $this->i8n('context-group'):
return $this->getGroupURI();
break;
case $this->i8n('context-talk'):
return $this->getTalkURI();
break;
default: // Return default value
return static::URI;
}
}
/**
* Returns the RSS Feed URI for a keyword Feed
* @return string the RSS feed URI
*/
private function getSearchURI()
{
$q = $this->getInput('q');
$hide_expired = $this->getInput('hide_expired');
$hide_local = $this->getInput('hide_local');
$priceFrom = $this->getInput('priceFrom');
$priceTo = $this->getInput('priceTo');
$url = $this->i8n('bridge-uri')
. 'search/advanced?q='
. urlencode($q)
. '&hide_expired=' . $hide_expired
. '&hide_local=' . $hide_local
. '&priceFrom=' . $priceFrom
. '&priceTo=' . $priceTo
/* Some default parameters
* search_fields : Search in Titres & Descriptions & Codes
* sort_by : Sort the search by new deals
* time_frame : Search will not be on a limited timeframe
*/
. '&search_fields[]=1&search_fields[]=2&search_fields[]=3&sort_by=new&time_frame=0';
return $url;
}
/**
* Returns the RSS Feed URI for a group Feed
* @return string the RSS feed URI
*/
private function getGroupURI()
{
$group = $this->getInput('group');
$order = $this->getInput('order');
$url = $this->i8n('bridge-uri')
. $this->i8n('uri-group') . $group . $order;
return $url;
}
/**
* Returns the RSS Feed URI for a Talk Feed
* @return string the RSS feed URI
*/
private function getTalkURI()
{
$url = $this->getInput('url');
return $url;
}
/**
* This is some "localisation" function that returns the needed content using
* the "$lang" class variable in the local class
* @return various the local content needed
*/
protected function i8n($key)
{
if (array_key_exists($key, $this->lang)) {
return $this->lang[$key];
} else {
return null;
}
}
}