Raphaël G. Git Repositories - airbundle/blob - Command/WeatherCommand.php

   1 <?php
   2
   3 namespace Rapsys\AirBundle\Command;
   4
   5 use Doctrine\Bundle\DoctrineBundle\Command\DoctrineCommand;
   6 use Doctrine\Persistence\ManagerRegistry;
   7 use Symfony\Component\Console\Input\InputInterface;
   8 use Symfony\Component\Console\Output\OutputInterface;
   9 use Symfony\Component\Filesystem\Exception\IOException;
  10 use Symfony\Component\Filesystem\Filesystem;
  11
  12 use Rapsys\AirBundle\Entity\Session;
  13
  14 class WeatherCommand extends DoctrineCommand {
  15         //Set failure constant
  16         const FAILURE = 1;
  17
  18         ///Set success constant
  19         const SUCCESS = 0;
  20
  21         ///Set Tidy config
  22         private $config = [
  23                 //Mostly useless in fact
  24                 'indent' => true,
  25                 //Required to simplify simplexml transition
  26                 'output-xml' => true,
  27                 //Required to avoid xml errors
  28                 'quote-nbsp' => false,
  29                 //Required to fix code
  30                 'clean' => true
  31         ];
  32
  33         ///Set accuweather uris
  34         private $accuweather = [
  35                 //Hourly uri
  36                 'hourly' => [
  37                         75001 => 'https://www.accuweather.com/en/fr/paris-01-louvre/75001/hourly-weather-forecast/179142_pc?day=',
  38                         75004 => 'https://www.accuweather.com/en/fr/paris-04-hotel-de-ville/75004/hourly-weather-forecast/179145_pc?day=',
  39                         75005 => 'https://www.accuweather.com/en/fr/paris-05-pantheon/75005/hourly-weather-forecast/179146_pc?day=',
  40                         75006 => 'https://www.accuweather.com/fr/fr/paris-06-luxembourg/75006/hourly-weather-forecast/179147_pc?day=',
  41                         75007 => 'https://www.accuweather.com/en/fr/paris-07-palais-bourbon/75007/hourly-weather-forecast/179148_pc?day=',
  42                         75009 => 'https://www.accuweather.com/en/fr/paris-09-opera/75009/hourly-weather-forecast/179150_pc?day=',
  43                         75012 => 'https://www.accuweather.com/en/fr/paris-12-reuilly/75012/hourly-weather-forecast/179153_pc?day=',
  44                         75013 => 'https://www.accuweather.com/en/fr/paris-13-gobelins/75013/hourly-weather-forecast/179154_pc?day=',
  45                         75015 => 'https://www.accuweather.com/en/fr/paris-15-vaugirard/75015/hourly-weather-forecast/179156_pc?day=',
  46                         75019 => 'https://www.accuweather.com/en/fr/paris-19-buttes-chaumont/75019/hourly-weather-forecast/179160_pc?day=',
  47                         75116 => 'https://www.accuweather.com/en/fr/paris-16-passy/75116/hourly-weather-forecast/179246_pc?day='
  48                 ],
  49                 //Daily uri
  50                 'daily' => [
  51                         75001 => 'https://www.accuweather.com/en/fr/paris-01-louvre/75001/daily-weather-forecast/179142_pc',
  52                         75004 => 'https://www.accuweather.com/en/fr/paris-04-hotel-de-ville/75004/daily-weather-forecast/179145_pc',
  53                         75005 => 'https://www.accuweather.com/en/fr/paris-05-pantheon/75005/daily-weather-forecast/179146_pc',
  54                         75006 => 'https://www.accuweather.com/fr/fr/paris-06-luxembourg/75006/daily-weather-forecast/179147_pc',
  55                         75007 => 'https://www.accuweather.com/en/fr/paris-07-palais-bourbon/75007/daily-weather-forecast/179148_pc',
  56                         75009 => 'https://www.accuweather.com/en/fr/paris-09-opera/75009/daily-weather-forecast/179150_pc',
  57                         75012 => 'https://www.accuweather.com/en/fr/paris-12-reuilly/75012/daily-weather-forecast/179153_pc',
  58                         75013 => 'https://www.accuweather.com/en/fr/paris-13-gobelins/75013/daily-weather-forecast/179154_pc',
  59                         75015 => 'https://www.accuweather.com/en/fr/paris-15-vaugirard/75015/daily-weather-forecast/179156_pc',
  60                         75019 => 'https://www.accuweather.com/en/fr/paris-19-buttes-chaumont/75019/daily-weather-forecast/179160_pc',
  61                         75116 => 'https://www.accuweather.com/en/fr/paris-16-passy/75116/daily-weather-forecast/179246_pc'
  62                 ]
  63         ];
  64
  65         ///Set curl handler
  66         private $ch = null;
  67
  68         ///Set manager registry
  69         private $doctrine;
  70
  71         ///Set filesystem
  72         private $filesystem;
  73
  74         ///Weather command constructor
  75         public function __construct(ManagerRegistry $doctrine, Filesystem $filesystem) {
  76                 parent::__construct($doctrine);
  77
  78                 //Set entity manager
  79                 $this->doctrine = $doctrine;
  80
  81                 //Set filesystem
  82                 $this->filesystem = $filesystem;
  83         }
  84
  85         ///Configure attribute command
  86         protected function configure() {
  87                 //Configure the class
  88                 $this
  89                         //Set name
  90                         ->setName('rapsysair:weather')
  91                         //Set description shown with bin/console list
  92                         ->setDescription('Updates session rain and temperature fields')
  93                         //Set description shown with bin/console --help airlibre:attribute
  94                         ->setHelp('This command updates session rain and temperature fields in next three days')
  95                         //Add daily and hourly aliases
  96                         ->setAliases(['rapsysair:weather:daily', 'rapsysair:weather:hourly']);
  97         }
  98
  99         ///Process the attribution
 100         protected function execute(InputInterface $input, OutputInterface $output) {
 101                 //Kernel object
 102                 $kernel = $this->getApplication()->getKernel();
 103
 104                 //Tmp directory
 105                 $tmpdir = $kernel->getContainer()->getParameter('kernel.project_dir').'/var/cache/weather';
 106
 107                 //Set tmpdir
 108                 //XXX: worst case scenario we have 3 files per zipcode plus daily
 109                 if (!is_dir($tmpdir)) {
 110                         try {
 111                                 //Create dir
 112                                 $this->filesystem->mkdir($tmpdir, 0775);
 113                         } catch (IOException $exception) {
 114                                 //Display error
 115                                 echo 'Create dir '.$exception->getPath().' failed'."\n";
 116
 117                                 //Exit with failure
 118                                 exit(self::FAILURE);
 119                         }
 120                 }
 121
 122                 //Cleanup kernel
 123                 unset($kernel);
 124
 125                 //Tidy object
 126                 $tidy = new \tidy();
 127
 128                 //Init zipcodes array
 129                 $zipcodes = [];
 130
 131                 //Init types
 132                 $types = [];
 133
 134                 //Process hourly accuweather
 135                 if (($command = $input->getFirstArgument()) == 'rapsysair:weather:hourly' || $command == 'rapsysair:weather') {
 136                         //Fetch hourly sessions to attribute
 137                         $types['hourly'] = $this->doctrine->getRepository(Session::class)->findAllPendingHourlyWeather();
 138
 139                         //Iterate on each session
 140                         foreach($types['hourly'] as $sessionId => $session) {
 141                                 //Get zipcode
 142                                 $zipcode = $session->getLocation()->getZipcode();
 143
 144                                 //Get start
 145                                 $start = $session->getStart();
 146
 147                                 //Set start day
 148                                 $day = $start->diff((new \DateTime('now'))->setTime(0, 0, 0))->d + 1;
 149
 150                                 //Check if zipcode is set
 151                                 if (!isset($zipcodes[$zipcode])) {
 152                                         $zipcodes[$zipcode] = [];
 153                                 }
 154
 155                                 //Check if zipcode date is set
 156                                 if (!isset($zipcodes[$zipcode][$day])) {
 157                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 158                                 } else {
 159                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 160                                 }
 161
 162                                 //Get stop
 163                                 $stop = $session->getStop();
 164
 165                                 //Set stop day
 166                                 $day = $stop->diff((new \DateTime('now'))->setTime(0, 0, 0))->d + 1;
 167
 168                                 //Check if zipcode date is set
 169                                 if (!isset($zipcodes[$zipcode][$day])) {
 170                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 171                                 } else {
 172                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 173                                 }
 174                         }
 175                 }
 176
 177                 //Process daily accuweather
 178                 if ($command == 'rapsysair:weather:daily' || $command == 'rapsysair:weather') {
 179                         //Fetch daily sessions to attribute
 180                         $types['daily'] = $this->doctrine->getRepository(Session::class)->findAllPendingDailyWeather();
 181
 182                         //Iterate on each session
 183                         foreach($types['daily'] as $sessionId => $session) {
 184                                 //Get zipcode
 185                                 $zipcode = $session->getLocation()->getZipcode();
 186
 187                                 //Get start
 188                                 $start = $session->getStart();
 189
 190                                 //Set start day
 191                                 $day = 'daily';
 192
 193                                 //Check if zipcode is set
 194                                 if (!isset($zipcodes[$zipcode])) {
 195                                         $zipcodes[$zipcode] = [];
 196                                 }
 197
 198                                 //Check if zipcode date is set
 199                                 if (!isset($zipcodes[$zipcode][$day])) {
 200                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 201                                 } else {
 202                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 203                                 }
 204                         }
 205                 }
 206
 207                 //Init curl
 208                 $this->curl_init();
 209
 210                 //Init data array
 211                 $data = [];
 212
 213                 //Iterate on zipcodes
 214                 foreach($zipcodes as $zipcode => $days) {
 215                         //Iterate on days
 216                         foreach($days as $day => $null) {
 217                                 //Try to load content from cache
 218                                 if (!is_file($file = $tmpdir.'/'.$zipcode.'.'.$day.'.html') || stat($file)['ctime'] <= (time() - ($day == 'daily' ? 4 : 2)*3600) || ($content = file_get_contents($file)) === false) {
 219                                         //Prevent timing detection
 220                                         //XXX: from 0.1 to 5 seconds
 221                                         usleep(rand(1,50) * 100000);
 222
 223                                         //Get content
 224                                         //TODO: for daily we may load data for requested quarter of the day
 225                                         $content = $this->curl_get($day == 'daily' ? $this->accuweather['daily'][$zipcode] : $this->accuweather['hourly'][$zipcode].$day);
 226
 227                                         //Store it
 228                                         if (file_put_contents($tmpdir.'/'.$zipcode.'.'.$day.'.html', $content) === false) {
 229                                                 //Display error
 230                                                 echo 'Write to '.$tmpdir.'/'.$zipcode.'.'.$day.'.html failed'."\n";
 231
 232                                                 //Exit with failure
 233                                                 exit(self::FAILURE);
 234                                         }
 235                                 }
 236
 237                                 //Parse string
 238                                 $tidy->parseString($content, $this->config, 'utf8');
 239
 240                                 //Fix error buffer
 241                                 //XXX: don't care about theses errors, tidy is here to fix...
 242                                 #if (!empty($tidy->errorBuffer)) {
 243                                 #       var_dump($tidy->errorBuffer);
 244                                 #       die('Tidy errors');
 245                                 #}
 246
 247                                 //Load simplexml
 248                                 //XXX: trash all xmlns= broken tags
 249                                 $sx = new \SimpleXMLElement(str_replace(['xmlns=', 'xlink:href='], ['xns=', 'href='], $tidy));
 250
 251                                 //Process daily
 252                                 if ($day == 'daily') {
 253                                         //Iterate on each link containing data
 254                                         foreach($sx->xpath('//a[contains(@class,"daily-forecast-card")]') as $node) {
 255                                                 //Get date
 256                                                 $dsm = trim($node->div[0]->h2[0]->span[1]);
 257
 258                                                 //Get temperature
 259                                                 $temperature = str_replace('°', '', $node->div[0]->div[0]->span[0]);
 260
 261                                                 //Get rainrisk
 262                                                 $rainrisk = trim(str_replace('%', '', $node->div[1]))/100;
 263
 264                                                 //Store data
 265                                                 $data[$zipcode][$dsm]['daily'] = [
 266                                                         'temperature' => $temperature,
 267                                                         'rainrisk' => $rainrisk
 268                                                 ];
 269                                         }
 270                                 //Process hourly
 271                                 } else {
 272                                         //Iterate on each div containing data
 273                                         #(string)$sx->xpath('//div[@class="hourly-card-nfl"]')[0]->attributes()->value
 274                                         #/html/body/div[1]/div[5]/div[1]/div[1]/div[1]/div[1]/div[1]/div/h2/span[1]
 275                                         foreach($sx->xpath('//div[@data-shared="false"]') as $node) {
 276                                                 //Get hour
 277                                                 $hour = trim(str_replace(' h', '', $node->div[0]->div[0]->div[0]->div[0]->div[0]->h2[0]));
 278
 279                                                 //Compute dsm from day (1=d,2=d+1,3=d+2)
 280                                                 $dsm = (new \DateTime('+'.($day - 1).' day'))->format('d/m');
 281
 282                                                 //Get temperature
 283                                                 $temperature = str_replace('°', '', $node->div[0]->div[0]->div[0]->div[0]->div[1]);
 284
 285                                                 //Get realfeel
 286                                                 $realfeel = trim(str_replace(['RealFeel®', '°'], '', $node->div[0]->div[0]->div[0]->div[1]->div[0]->div[0]->div[0]));
 287
 288                                                 //Get rainrisk
 289                                                 $rainrisk = floatval(str_replace('%', '', trim($node->div[0]->div[0]->div[0]->div[2]->div[0]))/100);
 290
 291                                                 //Set rainfall to 0 (mm)
 292                                                 $rainfall = 0;
 293
 294                                                 //Iterate on each entry
 295                                                 //TODO: wind and other infos are present in $node->div[1]->div[0]->div[1]->div[0]->p
 296                                                 foreach($node->div[1]->div[0]->div[1]->div[0]->p as $p) {
 297                                                         //Lookup for rain entry if present
 298                                                         if (in_array(trim($p), ['Rain', 'Pluie'])) {
 299                                                                 //Get rainfall
 300                                                                 $rainfall = floatval(str_replace(' mm', '', $p->span[0]));
 301                                                         }
 302                                                 }
 303
 304                                                 //Store data
 305                                                 $data[$zipcode][$dsm][$hour] = [
 306                                                         'temperature' => $temperature,
 307                                                         'realfeel' => $realfeel,
 308                                                         'rainrisk' => $rainrisk,
 309                                                         'rainfall' => $rainfall
 310                                                 ];
 311                                         }
 312                                 }
 313
 314                                 //Cleanup
 315                                 unset($sx);
 316                         }
 317                 }
 318
 319                 //Iterate on types
 320                 foreach($types as $type => $sessions) {
 321                         //Iterate on each type
 322                         foreach($sessions as $sessionId => $session) {
 323                                 //Get zipcode
 324                                 $zipcode = $session->getLocation()->getZipcode();
 325
 326                                 //Get start
 327                                 $start = $session->getStart();
 328
 329                                 //Daily type
 330                                 if ($type == 'daily') {
 331                                         //Set period
 332                                         $period = [ $start ];
 333                                 //Hourly type
 334                                 } else {
 335                                         //Get stop
 336                                         $stop = $session->getStop();
 337
 338                                         //Compute period
 339                                         $period = new \DatePeriod(
 340                                                 //Start from begin
 341                                                 $start,
 342                                                 //Iterate on each hour
 343                                                 new \DateInterval('PT1H'),
 344                                                 //End with begin + length
 345                                                 $stop
 346                                         );
 347                                 }
 348
 349                                 //Set meteo
 350                                 $meteo = [
 351                                         'rainfall' => null,
 352                                         'rainrisk' => null,
 353                                         'realfeel' => [],
 354                                         'realfeelmin' => null,
 355                                         'realfeelmax' => null,
 356                                         'temperature' => [],
 357                                         'temperaturemin' => null,
 358                                         'temperaturemax' => null
 359                                 ];
 360
 361                                 //Iterate on the period
 362                                 foreach($period as $time) {
 363                                         //Set dsm
 364                                         $dsm = $time->format('d/m');
 365
 366                                         //Set hour
 367                                         $hour = $type=='daily'?$type:$time->format('H');
 368
 369                                         //Check data availability
 370                                         //XXX: sometimes startup delay causes weather data to be unavailable for session first hour
 371                                         if (!isset($data[$zipcode][$dsm][$hour])) {
 372                                                 //Skip unavailable data
 373                                                 continue;
 374                                         }
 375
 376                                         //Set info alias
 377                                         $info = $data[$zipcode][$dsm][$hour];
 378
 379                                         //Check if rainrisk is higher
 380                                         if ($meteo['rainrisk'] === null || $info['rainrisk'] > $meteo['rainrisk']) {
 381                                                 //Set highest rain risk
 382                                                 $meteo['rainrisk'] = floatval($info['rainrisk']);
 383                                         }
 384
 385                                         //Check if rainfall is set
 386                                         if (isset($info['rainfall'])) {
 387                                                 //Set rainfall sum
 388                                                 $meteo['rainfall'] += floatval($info['rainfall']);
 389                                         }
 390
 391                                         //Add temperature
 392                                         $meteo['temperature'][$hour] = $info['temperature'];
 393
 394                                         //Hourly type
 395                                         if ($type != 'daily') {
 396                                                 //Check min temperature
 397                                                 if ($meteo['temperaturemin'] === null || $info['temperature'] < $meteo['temperaturemin']) {
 398                                                         $meteo['temperaturemin'] = floatval($info['temperature']);
 399                                                 }
 400
 401                                                 //Check max temperature
 402                                                 if ($meteo['temperaturemax'] === null || $info['temperature'] > $meteo['temperaturemax']) {
 403                                                         $meteo['temperaturemax'] = floatval($info['temperature']);
 404                                                 }
 405                                         }
 406
 407                                         //Check if realfeel is set
 408                                         if (isset($info['realfeel'])) {
 409                                                 //Add realfeel
 410                                                 $meteo['realfeel'][$hour] = $info['realfeel'];
 411
 412                                                 //Check min realfeel
 413                                                 if ($meteo['realfeelmin'] === null || $info['realfeel'] < $meteo['realfeelmin']) {
 414                                                         $meteo['realfeelmin'] = floatval($info['realfeel']);
 415                                                 }
 416
 417                                                 //Check max realfeel
 418                                                 if ($meteo['realfeelmax'] === null || $info['realfeel'] > $meteo['realfeelmax']) {
 419                                                         $meteo['realfeelmax'] = floatval($info['realfeel']);
 420                                                 }
 421                                         }
 422                                 }
 423
 424                                 //Check if rainfall is set and differ
 425                                 if ($session->getRainfall() !== $meteo['rainfall']) {
 426                                         //Set rainfall
 427                                         $session->setRainfall($meteo['rainfall']);
 428                                 }
 429
 430                                 //Check if rainrisk differ
 431                                 if ($session->getRainrisk() !== $meteo['rainrisk']) {
 432                                         //Set rainrisk
 433                                         $session->setRainrisk($meteo['rainrisk']);
 434                                 }
 435
 436                                 //Check realfeel array
 437                                 if ($meteo['realfeel'] !== []) {
 438                                         //Compute realfeel
 439                                         $realfeel = floatval(round(array_sum($meteo['realfeel'])/count($meteo['realfeel']),1));
 440
 441                                         //Check if realfeel differ
 442                                         if ($session->getRealfeel() !== $realfeel) {
 443                                                 //Set average realfeel
 444                                                 $session->setRealfeel($realfeel);
 445                                         }
 446
 447                                         //Check if realfeelmin differ
 448                                         if ($session->getRealfeelmin() !== $meteo['realfeelmin']) {
 449                                                 //Set realfeelmin
 450                                                 $session->setRealfeelmin($meteo['realfeelmin']);
 451                                         }
 452
 453                                         //Check if realfeelmax differ
 454                                         if ($session->getRealfeelmax() !== $meteo['realfeelmax']) {
 455                                                 //Set realfeelmax
 456                                                 $session->setRealfeelmax($meteo['realfeelmax']);
 457                                         }
 458                                 }
 459
 460                                 //Check temperature array
 461                                 if ($meteo['temperature'] !== []) {
 462                                         //Compute temperature
 463                                         $temperature = floatval(round(array_sum($meteo['temperature'])/count($meteo['temperature']),1));
 464
 465                                         //Check if temperature differ
 466                                         if ($session->getTemperature() !== $temperature) {
 467                                                 //Set average temperature
 468                                                 $session->setTemperature($temperature);
 469                                         }
 470
 471                                         //Check if temperaturemin differ
 472                                         if ($session->getTemperaturemin() !== $meteo['temperaturemin']) {
 473                                                 //Set temperaturemin
 474                                                 $session->setTemperaturemin($meteo['temperaturemin']);
 475                                         }
 476
 477                                         //Check if temperaturemax differ
 478                                         if ($session->getTemperaturemax() !== $meteo['temperaturemax']) {
 479                                                 //Set temperaturemax
 480                                                 $session->setTemperaturemax($meteo['temperaturemax']);
 481                                         }
 482                                 }
 483                         }
 484                 }
 485
 486                 //Flush to get the ids
 487                 $this->doctrine->getManager()->flush();
 488
 489                 //Close curl handler
 490                 $this->curl_close();
 491
 492                 //Return success
 493                 return self::SUCCESS;
 494         }
 495
 496         /**
 497          * Init curl handler
 498          *
 499          * @return bool|void Return success or exit
 500          */
 501         function curl_init() {
 502                 //Init curl
 503                 if (($this->ch = curl_init()) === false) {
 504                         //Display error
 505                         echo 'Curl init failed: '.curl_error($this->ch)."\n";
 506                         //Exit with failure
 507                         exit(self::FAILURE);
 508                 }
 509
 510                 //Set curl options
 511                 if (
 512                         curl_setopt_array(
 513                                 $this->ch,
 514                                 [
 515                                         //Force http2
 516                                         CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_2_0,
 517                                         //Set http headers
 518                                         CURLOPT_HTTPHEADER => [
 519                                                 //XXX: it seems that you can disable akamai fucking protection with Pragma: akamai-x-cache-off
 520                                                 //XXX: see https://support.globaldots.com/hc/en-us/articles/115003996705-Akamai-Pragma-Headers-overview
 521                                                 #'Pragma: akamai-x-cache-off',
 522                                                 //XXX: working curl command
 523                                                 #curl --http2 --cookie file.jar --cookie-jar file.jar -v -i -k -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' -H 'Accept-Language: en-GB,en;q=0.9' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' -H 'Host: www.accuweather.com' -H 'Pragma: no-cache' -H 'Upgrade-Insecure-Requests: 1' -H 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36' 'https://www.accuweather.com/'
 524                                                 //Set accept
 525                                                 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
 526                                                 //Set accept language
 527                                                 'Accept-Language: en-GB,en;q=0.9',
 528                                                 //Disable cache
 529                                                 'Cache-Control: no-cache',
 530                                                 //Keep connection alive
 531                                                 'Connection: keep-alive',
 532                                                 //Disable cache
 533                                                 'Pragma: no-cache',
 534                                                 //Force secure requests
 535                                                 'Upgrade-Insecure-Requests: 1',
 536                                                 //Set user agent
 537                                                 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36',
 538                                                 //Force akamai cookie
 539                                                 //XXX: seems to come from http request
 540                                                 'Cookie: AKA_A2=A',
 541                                         ],
 542                                         //Enable cookie
 543                                         CURLOPT_COOKIEFILE => '',
 544                                         //Disable location following
 545                                         CURLOPT_FOLLOWLOCATION => false,
 546                                         //Set url
 547                                         #CURLOPT_URL => $url = 'https://www.accuweather.com/',
 548                                         //Return headers too
 549                                         CURLOPT_HEADER => true,
 550                                         //Return content
 551                                         CURLOPT_RETURNTRANSFER => true,
 552
 553                                         //XXX: debug
 554                                         CURLINFO_HEADER_OUT => true
 555                                 ]
 556                         ) === false
 557                 ) {
 558                         //Display error
 559                         echo 'Curl setopt array failed: '.curl_error($this->ch)."\n";
 560                         //Exit with failure
 561                         exit(self::FAILURE);
 562                 }
 563
 564                 //Return success
 565                 return true;
 566         }
 567
 568         /**
 569          * Get url
 570          *
 571          * @return string|void Return url content or exit
 572          */
 573         function curl_get($url) {
 574                 //Set url to fetch
 575                 if (curl_setopt($this->ch, CURLOPT_URL, $url) === false) {
 576                         //Display error
 577                         echo 'Setopt for '.$url.' failed: '.curl_error($this->ch)."\n";
 578
 579                         //Close curl handler
 580                         curl_close($this->ch);
 581
 582                         //Exit with failure
 583                         exit(self::FAILURE);
 584                 }
 585
 586                 //Check return status
 587                 if (($response = curl_exec($this->ch)) === false) {
 588                         //Display error
 589                         echo 'Get for '.$url.' failed: '.curl_error($this->ch)."\n";
 590
 591                         //Display sent headers
 592                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 593
 594                         //Display response
 595                         var_dump($response);
 596
 597                         //Close curl handler
 598                         curl_close($this->ch);
 599
 600                         //Exit with failure
 601                         exit(self::FAILURE);
 602                 }
 603
 604                 //Get header size
 605                 if (empty($hs = curl_getinfo($this->ch, CURLINFO_HEADER_SIZE))) {
 606                         //Display error
 607                         echo 'Getinfo for '.$url.' failed: '.curl_error($this->ch)."\n";
 608
 609                         //Display sent headers
 610                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 611
 612                         //Display response
 613                         var_dump($response);
 614
 615                         //Close curl handler
 616                         curl_close($this->ch);
 617
 618                         //Exit with failure
 619                         exit(self::FAILURE);
 620                 }
 621
 622                 //Get header
 623                 if (empty($header = substr($response, 0, $hs))) {
 624                         //Display error
 625                         echo 'Header for '.$url.' empty: '.curl_error($this->ch)."\n";
 626
 627                         //Display sent headers
 628                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 629
 630                         //Display response
 631                         var_dump($response);
 632
 633                         //Close curl handler
 634                         curl_close($this->ch);
 635
 636                         //Exit with failure
 637                         exit(self::FAILURE);
 638                 }
 639
 640                 //Check request success
 641                 if (strlen($header) <= 10 || substr($header, 0, 10) !== 'HTTP/2 200') {
 642                         //Display error
 643                         echo 'Status for '.$url.' failed: '.curl_error($this->ch)."\n";
 644
 645                         //Display sent headers
 646                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 647
 648                         //Display response
 649                         var_dump($header);
 650
 651                         //Close curl handler
 652                         curl_close($this->ch);
 653
 654                         //Exit with failure
 655                         exit(self::FAILURE);
 656                 }
 657
 658                 //Return content
 659                 return substr($response, $hs);
 660         }
 661
 662         /**
 663          * Close curl handler
 664          *
 665          * @return bool Return success or failure
 666          */
 667         function curl_close() {
 668                 return curl_close($this->ch);
 669         }
 670 }