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• Shmu.php
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• Weather.php
• WeatherSource.php
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<?php
/** parses www.shmu.sk for weather */
class Shmu extends WeatherSource{
  protected $city;
  protected $data;
  protected $timestamp = false;
  protected $validity = 600;
  protected $icons = Array(
    0 => "",
    1 => "01",
    2 => "02",
    3 => "03",
    4 => "10",
    5 => "10", //prehanky
    6 => "11",
    7 => "13",
    8 => "13", // sneh s dazdom,
    9 => "50", //hmla
    10 => "02",
    11 => "10",
    12 => "02",
    13 => "", // snehove prehanky,
    14 => "", // nie je
    15 =>"03",
    16 => "03",
    17 => "13"
  );
  protected $icons_current = Array(
    1 => "01",
    2 => "02",
    3 => "03",
    4 => "04",
    5 => "50",
    6 => "10", // slaby dazd
    7 => "10",   // silny dazd
    8 => "13",   //dazd so snehom
    9 => "13", //sneh
    10 => "13", //slaby sneh
    11 => "10", //prehanky
    12 => "13", //snehove prehanky
    13 => "11", //burka
    14 => "11", //blesky
  );
  protected $substitiute_current = Array(
    "TN" => "PN"
  );

  
  function __construct($city){
    $this->city = $city;
  }

  function getIcon($status, $time = false){
    $suffix = "d";
    if($time && Date("H",$time) >= 19 ){
      $suffix = "n";
    }
    return $this->icons[$status].$suffix;
  }

  function getIconCurrent($status, $time = false){
    $suffix = "d";
    if($time && Date("H",$time) >= 19 ){
      $suffix = "n";
    }
    return $this->icons_current[$status].$suffix;
  }

  function getCurrent($city){
    if($this->substitiute_current[$city]){
      $city = $this->substitiute_current[$city];
    }
    $page = file_get_contents("http://www.shmu.sk/sk/?page=1&id=meteo_gapocasie_sk");
    $data = $this->parseSHMU($page,$city);
    $matches = $data["details"];
    $text = "";
    if(trim($matches[2][3])!="-"){
      $text = $matches[2][3].", ";  
    }
    $text.=$matches[2][2];
    $r = Array(
      "status" => $data["icon"],
      "icon" => $this->getIconCurrent($data["icon"], Time()),
      "city" => $matches[2][0],
      "temp" => intval($matches[2][1]),
      "text" => $text,
      "wind" => intval($matches[2][4]),
      "wind_dir" => $matches[2][5]
    );
    return $r;
  }

  function getForecast($city, $date = false){
    if(!$date) $date = Time();
    $page = file_get_contents("http://www.shmu.sk/sk/?page=1&id=meteo_gpredpoved_sk&day=".Date("Ymd",$date));
    $data = $this->parseSHMU($page, $city);
    $matches = $data["details"];
    return Array(
      "status" => $data["icon"],
      "icon" => $this->getIcon($data["icon"]),
      "city" => $matches[2][0],
      "date" => $matches[2][1],
      "temp_night"=> intval($matches[2][2]),
      "temp" => intval($matches[2][3]),
      "text" => $matches[2][4],
      "wind" => intval($matches[2][5]),
      "wind_dir" => $matches[2][6]
    );
  }

  function parseSHMU($page, $city){
    $matches = Array();
    preg_match('/HINTS_ITEMS = (\{[^\}]*\})/ms', $page, $matches);
    //return $matches[1];
    $data = str_replace("'", '"', $matches[1]);
    $data = json_decode($data,true);
    $w = $data[$city];
    preg_match_all("/<p>(.*?)<strong>(.*?)<\/strong>[[:space:]]*<\/p>/ms",$w,$matches);

    preg_match("@<img src=\"([^\"]+)\"[^>]+".$city."[^>]+>@ms", $page, $icons);
    preg_match("@([0-9]+)\.[a-zA-Z]+$@ms",$icons[1],$icon);
    return Array(
      "icon" => $icon[1],
      "details" => $matches
    );
  }

  function load(){
    $today = Time();
    return Array(
      "current" => $this->getCurrent($this->city),
      "0" => $this->getForecast($this->city,$today),
      "1" => $this->getForecast($this->city,$today+24),
      "2" => $this->getForecast($this->city,$today+48),
      "3" => $this->getForecast($this->city,$today+72)
    );
  }

  function getData($type="current"){
    if($this->timestamp && $this->timestamp + $this->validity > Time()){
      
    }else{
      $this->data = $this->load();
      $this->timestamp = Time();
    }
    return $this->data[$type];
  }
}