Created
May 25, 2022 19:13
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Parser (api) goverla.ua(new version), php, json.
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| <?php | |
| /** | |
| * Курс валют парсинг з goverla.ua (парсить нову версію сайту!) та API приватбанку | |
| * Автор: Богдан Карпов <bogdan.karpow@urk.net> | |
| * Telegram: @BogdanKarpov | |
| */ | |
| class ERateUkr | |
| { | |
| //Constants for goberla.ua | |
| const URL_GOVERLA_API = 'https://api.goverla.ua/graphql'; | |
| const QUERY_GOVERLA_STRING = '{"operationName":"Point","variables":{"alias":"goverla-ua"},"query":"query Point($alias: Alias!) {\n point(alias: $alias) {\n id\n rates {\n id\n currency {\n alias\n name\n exponent\n codeAlpha\n codeNumeric\n __typename\n }\n bid {\n absolute\n relative\n updatedAt\n __typename\n }\n ask {\n absolute\n relative\n updatedAt\n __typename\n }\n __typename\n }\n updatedAt\n __typename\n }\n}\n"}'; | |
| //PrivatBank Rate from uan | |
| const URL_PRIVATBANK_API = 'https://api.privatbank.ua/p24api/pubinfo?json&exchange&coursid=5'; | |
| static private function get_post(string $url, string $query):string | |
| { | |
| $myCurl = curl_init(); | |
| curl_setopt_array($myCurl, array( | |
| CURLOPT_URL => $url, | |
| CURLOPT_RETURNTRANSFER => true, | |
| CURLOPT_POST => true, | |
| CURLOPT_POSTFIELDS => $query, | |
| CURLOPT_SSL_VERIFYPEER => true , | |
| CURLOPT_HTTPHEADER => [ | |
| 'Content-Type: application/json', | |
| 'Content-Length: ' . strlen($query) | |
| ], | |
| CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0' | |
| )); | |
| $response = curl_exec($myCurl); | |
| $ern = curl_errno($myCurl); | |
| if ($ern){ | |
| die('ERROR CURL: ' . curl_error($myCurl)); | |
| } | |
| curl_close($myCurl); | |
| return (!$response) ? '' : (string) $response; | |
| } | |
| static public function format_curruncy(string $absolute):float | |
| { | |
| $len = strlen($absolute) - 1; | |
| $sli = (int) $absolute[$len -1] . $absolute[$len]; | |
| $int = (int) preg_replace('#\d\d$#si', '', $absolute); | |
| return (float) $int . '.' . $sli; | |
| } | |
| /** | |
| * Поаертає рядок json з інформаціжю курсів валют з сайту goverla.ua | |
| * @param bool $return_array - якшо true то повертає масив інакше json рядок | |
| * @return string|array | |
| */ | |
| static public function goverla($return_array = false) | |
| { | |
| $json_request = self::get_post(self::URL_GOVERLA_API, self::QUERY_GOVERLA_STRING); | |
| $resp = json_decode( $json_request, true ); | |
| $currency = $resp['data']['point']['rates']; | |
| if (!$currency){ return '["ok":false]'; } | |
| $r = []; | |
| foreach($currency as $c ){ | |
| $a['name'] = htmlspecialchars( strip_tags($c['currency']['name'])); | |
| $a['bid'] = self::format_curruncy($c['bid']['absolute']); | |
| $a['ask'] = self::format_curruncy($c['ask']['absolute']); | |
| $r[] = $a; | |
| } | |
| return ($return_array) ? $r : json_encode($r); | |
| } | |
| static private function get_data_privatbank():array | |
| { | |
| $res = file_get_contents(self::URL_PRIVATBANK_API); | |
| if (!empty($res)){ | |
| return json_decode($res, true); | |
| } | |
| return []; | |
| } | |
| static private function reader_rate_name(string $name):string | |
| { | |
| switch ($name) { | |
| case 'USD': | |
| return 'Долар США'; | |
| case 'EUR': | |
| return 'Євро'; | |
| case 'RUR': | |
| return 'Російський рубль'; | |
| case 'BTC': | |
| return 'Біткоїн'; | |
| default: | |
| return $name; | |
| } | |
| } | |
| static private function formater_data_privatbank(array $data):array | |
| { | |
| $f_array = []; | |
| foreach ($data as $datum) { | |
| $a = []; | |
| $a['name'] = self::reader_rate_name($datum['ccy']); | |
| $a['bid'] = (float)$datum['buy']; | |
| $a['ask'] = (float)$datum['sale']; | |
| $f_array[] = $a; | |
| } | |
| return $f_array; | |
| } | |
| /** | |
| * Поаертає рядок json з інформаціжю курсів валют з api PrivatBank | |
| * @param bool $return_array - якшо true то повертає масив інакше json рядок | |
| * @return string|array | |
| */ | |
| static public function privatbank($return_array = false) | |
| { | |
| $data = self::get_data_privatbank(); | |
| $f_data = self::formater_data_privatbank($data); | |
| return ($return_array) ? $f_data : (string) json_encode($f_data); | |
| } | |
| /** | |
| * Поаертає рядок json з інформаціжю курсів валют з усіх доступних сервісів | |
| * @param bool $return_array - якшо true то повертає масив інакше json рядок | |
| * @return string|array | |
| */ | |
| static public function all(bool $return_array = false) | |
| { | |
| $ar = []; | |
| $ar['goverla'] = self::goverla(true); | |
| $ar['privatbank'] = self::privatbank(true); | |
| // add new Rate | |
| // ... | |
| return ($return_array) ? $ar : json_encode($ar); | |
| } | |
| } | |
| // render json string | |
| header('Content-type: application/json'); | |
| print(ERateUkr::all()); |
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