1 | <?php |
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29 | class WeatherForecast implements \Iterator |
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30 | { |
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31 | /** |
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32 | * A city object. |
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33 | * |
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34 | * @var Util\City |
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35 | */ |
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36 | public $city; |
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37 | |||
38 | /** |
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39 | * A sun object |
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40 | * |
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41 | * @var Util\Sun |
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42 | */ |
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43 | public $sun; |
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44 | |||
45 | /** |
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46 | * The time of the last update of this weather data. |
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47 | * |
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48 | * @var \DateTime |
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49 | */ |
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50 | public $lastUpdate; |
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51 | |||
52 | /** |
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53 | * An array of {@link Forecast} objects. |
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54 | * |
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55 | * @var Forecast[] |
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56 | * |
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57 | * @see Forecast The Forecast class. |
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58 | */ |
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59 | private $forecasts; |
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60 | |||
61 | /** |
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62 | * @internal |
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63 | */ |
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64 | private $position = 0; |
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65 | |||
66 | /** |
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67 | * Create a new Forecast object. |
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68 | * |
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69 | * @param $xml |
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70 | * @param string $units |
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71 | * @param int $days How many days of forecast to receive. |
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72 | * |
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73 | * @internal |
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74 | */ |
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75 | 3 | public function __construct($xml, $units, $days) |
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76 | { |
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77 | 3 | $this->city = new City($xml->location->location['geobaseid'], $xml->location->name, $xml->location->location['longitude'], $xml->location->location['latitude'], $xml->location->country); |
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78 | 3 | $this->sun = new Sun(new \DateTime($xml->sun['rise']), new \DateTime($xml->sun['set'])); |
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79 | 3 | $this->lastUpdate = new \DateTime($xml->meta->lastupdate); |
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80 | |||
81 | 3 | $today = new \DateTime(); |
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82 | 3 | $today->setTime(0, 0, 0); |
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83 | 3 | $counter = 0; |
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84 | 3 | foreach ($xml->forecast->time as $time) { |
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85 | 3 | $date = new \DateTime(isset($time['day']) ? $time['day'] : $time['to']); |
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86 | 3 | if ($date < $today) { |
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87 | // Sometimes OpenWeatherMap returns results which aren't real |
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88 | // forecasts. The best we can do is to ignore them. |
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89 | continue; |
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90 | } |
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91 | 3 | $forecast = new Forecast($time, $units); |
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92 | 3 | $forecast->city = $this->city; |
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93 | 3 | $this->forecasts[] = $forecast; |
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94 | |||
95 | 3 | $counter++; |
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96 | // Make sure to only return the requested number of days. |
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97 | 3 | if ($days <= 5 && $counter == $days * 8) { |
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98 | break; |
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99 | 3 | } elseif ($days > 5 && $counter == $days) { |
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100 | 3 | break; |
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101 | } |
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102 | } |
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103 | 3 | } |
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104 | |||
105 | /** |
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106 | * @internal |
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107 | */ |
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108 | 3 | public function rewind() |
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112 | |||
113 | /** |
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114 | * @internal |
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115 | */ |
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116 | 3 | public function current() |
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120 | |||
121 | /** |
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122 | * @internal |
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123 | */ |
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124 | 3 | public function key() |
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128 | |||
129 | /** |
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130 | * @internal |
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131 | */ |
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132 | 3 | public function next() |
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136 | |||
137 | /** |
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138 | * @internal |
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139 | */ |
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140 | 3 | public function valid() |
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144 | } |
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145 |