| 1 |
<?php |
| 2 |
$EventPostWeather = new EventPostWeather(); |
| 3 |
|
| 4 |
/** |
| 5 |
* Provides weather support thanks to OpenWeatherMap |
| 6 |
* http://openweathermap.org |
| 7 |
* |
| 8 |
* License: Creative Commons (cc-by-sa) |
| 9 |
* http://creativecommons.org/licenses/by-sa/2.0/. |
| 10 |
* |
| 11 |
* |
| 12 |
* Get an API key |
| 13 |
* http://openweathermap.org/appid#get |
| 14 |
* |
| 15 |
*/ |
| 16 |
class EventPostWeather { |
| 17 |
|
| 18 |
var $META_WEATHER; |
| 19 |
|
| 20 |
var $api_key; |
| 21 |
var $units; |
| 22 |
var $unit_names; |
| 23 |
var $theme; |
| 24 |
|
| 25 |
function __construct() { |
| 26 |
// Hook into the plugin |
| 27 |
|
| 28 |
add_action('eventpost_getsettings_action', array(&$this, 'get_settings'), 1, 2); |
| 29 |
add_action('eventpost_settings_form', array(&$this, 'settings_form')); |
| 30 |
add_action('evenpost_init', array(&$this, 'init')); |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* PHP4 constructor |
| 35 |
*/ |
| 36 |
function EventPostWeather() { |
| 37 |
$this->__construct(); |
| 38 |
} |
| 39 |
|
| 40 |
/** |
| 41 |
* Only for localization |
| 42 |
* |
| 43 |
* available values: |
| 44 |
* |
| 45 |
* - clear sky |
| 46 |
* - few clouds |
| 47 |
* - scattered clouds |
| 48 |
* - broken clouds |
| 49 |
* - shower rain |
| 50 |
* - rain |
| 51 |
* - thunderstorm |
| 52 |
* - snow |
| 53 |
* - mist |
| 54 |
*/ |
| 55 |
function localize(){ |
| 56 |
__('clear sky', 'event-post'); |
| 57 |
__('few clouds', 'event-post'); |
| 58 |
__('scattered clouds', 'event-post'); |
| 59 |
__('broken clouds', 'event-post'); |
| 60 |
__('shower rain', 'event-post'); |
| 61 |
__('rain', 'event-post'); |
| 62 |
__('thunderstorm', 'event-post'); |
| 63 |
__('snow', 'event-post'); |
| 64 |
__('mist', 'event-post'); |
| 65 |
|
| 66 |
} |
| 67 |
|
| 68 |
/** |
| 69 |
* |
| 70 |
* @param array reference &$ep_settings |
| 71 |
* @param boolean reference &$reg_settings |
| 72 |
*/ |
| 73 |
function get_settings(&$ep_settings, &$reg_settings) { |
| 74 |
if (!isset($ep_settings['weather_enabled'])) { |
| 75 |
$ep_settings['weather_enabled'] = false; |
| 76 |
$reg_settings = true; |
| 77 |
} |
| 78 |
if (!isset($ep_settings['weather_api_key'])) { |
| 79 |
$ep_settings['weather_api_key'] = ''; |
| 80 |
$reg_settings = true; |
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} |
| 82 |
if (!isset($ep_settings['weather_units'])) { |
| 83 |
$ep_settings['weather_units'] = 'standard'; |
| 84 |
$reg_settings = true; |
| 85 |
} |
| 86 |
} |
| 87 |
|
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/** |
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* |
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* @param type $ep_settings |
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*/ |
| 92 |
function settings_form($ep_settings) { |
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?> |
| 94 |
<h2><?php _e('Weather', 'event-post'); ?></h2> |
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<p class="description"><?php printf(__('Provided thanks to %s', 'event-post'), '<a href="http://openweathermap.org" target="_blank">openweathermap.org</a>'); ?></p> |
| 96 |
<table class="form-table" id="eventpost-settings-table-weather"> |
| 97 |
<tbody> |
| 98 |
<tr> |
| 99 |
<th> |
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<?php _e('Enable weather', 'event-post') ?> |
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</th> |
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<td> |
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<label for="weather_enabled"> |
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<input type="checkbox" name="ep_settings[weather_enabled]" id="weather_enabled" <?php if ($ep_settings['weather_enabled'] == '1') { |
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echo'checked'; |
| 106 |
} ?> value="1"> |
| 107 |
<?php _e('Enable weather feature', 'event-post') ?> |
| 108 |
</label> |
| 109 |
</td> |
| 110 |
</tr> |
| 111 |
<tr> |
| 112 |
<th> |
| 113 |
<label for="weather_api_key"> |
| 114 |
<?php _e('API key', 'event-post') ?> |
| 115 |
</label> |
| 116 |
</th> |
| 117 |
<td> |
| 118 |
<input type="text" name="ep_settings[weather_api_key]" id="weather_api_key" value="<?php echo $ep_settings['weather_api_key']; ?>" size="40"> |
| 119 |
<p class="description"><?php printf(__('Get a free API key at: %s', 'event-post'), '<a href="http://openweathermap.org/appid#get" target="_blank">openweathermap.org/appid#get</a>'); ?></p> |
| 120 |
</td> |
| 121 |
</tr> |
| 122 |
<tr> |
| 123 |
<th> |
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<label for="weather_units"> |
| 125 |
<?php _e('Units', 'event-post') ?> |
| 126 |
</label> |
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</th> |
| 128 |
<td> |
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<select name="ep_settings[weather_units]" id="weather_units"> |
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<option value="standard" <?php selected($ep_settings['weather_units'], 'standard', true);?>> |
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<?php _e('Standard (Fahrenheit)', 'event-post') ?> |
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</option> |
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<option value="metric" <?php selected($ep_settings['weather_units'], 'metric', true);?>> |
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<?php _e('Metric (Celsius)', 'event-post') ?> |
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</option> |
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<option value="imperial" <?php selected($ep_settings['weather_units'], 'imperial', true);?>> |
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<?php _e('Imperial (Kelvin)', 'event-post') ?> |
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</option> |
| 139 |
</select> |
| 140 |
</td> |
| 141 |
</tr> |
| 142 |
</tbody> |
| 143 |
</table><!-- #eventpost-settings-table-weather --> |
| 144 |
<?php |
| 145 |
} |
| 146 |
|
| 147 |
/** |
| 148 |
* |
| 149 |
* @param object $EP |
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* @return void |
| 151 |
*/ |
| 152 |
function init($EP) { |
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// Ensure OpenWeatherMap is required and available. |
| 154 |
if (!$EP->settings['weather_enabled'] || !$EP->settings['weather_api_key']) { |
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return; |
| 156 |
} |
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|
| 158 |
$this->META_WEATHER = 'event_weather'; |
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$this->api_key = $EP->settings['weather_api_key']; |
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$this->units = $EP->settings['weather_units']; |
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$this->theme = 'default'; |
| 162 |
$this->unit_names = array('standard'=>'F', 'metric'=>'C', 'imperial'=>'K'); |
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|
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// Alter objects |
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add_filter('eventpost_params', array(&$this, 'params')); |
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add_filter('eventpost_retreive', array(&$this, 'retreive')); |
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|
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// Alter schema |
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add_filter('eventpost_item_scheme_entities', array(&$this, 'scheme_entities')); |
| 170 |
add_filter('eventpost_item_scheme_values', array(&$this, 'scheme_values'), 1, 2); |
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add_filter('eventpost_default_list_shema', array(&$this, 'default_shema')); |
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add_filter('eventpost_get_single', array(&$this, 'get_single'), 1, 2); |
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|
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|
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add_action('eventpost_custom_box_date', array(&$this, 'get_weather')); |
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|
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|
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} |
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|
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/** |
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* |
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* @param array $params |
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* @return array |
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*/ |
| 185 |
function params($params = array()) { |
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$params['weather'] = true; |
| 187 |
return $params; |
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} |
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|
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/** |
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* |
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* @param WP_Post $event |
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* @return WP_Post |
| 194 |
*/ |
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function retreive($event) { |
| 196 |
$event->weather = get_post_meta($event->ID, $this->META_WEATHER, true); |
| 197 |
return $event; |
| 198 |
} |
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|
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/** |
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* |
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* @param array $attr |
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* @return array |
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*/ |
| 205 |
function scheme_entities($attr = array()) { |
| 206 |
array_push($attr, '%event_weather%'); |
| 207 |
return $attr; |
| 208 |
} |
| 209 |
|
| 210 |
/** |
| 211 |
* |
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* @param array $values |
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* @return array |
| 214 |
*/ |
| 215 |
function scheme_values($values = array(), $post = null) { |
| 216 |
array_push($values, $this->get_weather($post)); |
| 217 |
return $values; |
| 218 |
} |
| 219 |
|
| 220 |
/** |
| 221 |
* |
| 222 |
* @param array $schema |
| 223 |
* @return array |
| 224 |
*/ |
| 225 |
function default_shema($schema) { |
| 226 |
$schema['item'] = str_replace('</%child%>', "%event_weather%\n</%child%>", $schema['item']); |
| 227 |
return $schema; |
| 228 |
} |
| 229 |
|
| 230 |
function get_single($event_datas, $post = null) { |
| 231 |
return $event_datas . $this->get_weather($post); |
| 232 |
} |
| 233 |
|
| 234 |
/** |
| 235 |
* From here, methods intends to get datas |
| 236 |
*/ |
| 237 |
|
| 238 |
function get_weather_icons($weather){ |
| 239 |
$string = ''; |
| 240 |
foreach((array) $weather as $item){ |
| 241 |
$text = ucfirst(__(strtolower($item->description), 'event-post')); |
| 242 |
$string.='<span class="eventpost-weather-'.str_replace('-', '', strtolower($item->description)).' eventpost-weather-'.$item->icon.'">' |
| 243 |
. '<img src="'. plugins_url('../img/weather/'.$this->theme.'/'.$item->icon.'.png', __FILE__).'" alt="'.sprintf('%s icon', $text).'">' |
| 244 |
. '<em class="eventpost-weather-text">'.$text.'</em>' |
| 245 |
. '</span>'; |
| 246 |
} |
| 247 |
return $string; |
| 248 |
} |
| 249 |
/** |
| 250 |
* |
| 251 |
* @param object $item |
| 252 |
* @return string |
| 253 |
*/ |
| 254 |
function get_weather_item($item){ |
| 255 |
$string = ''; |
| 256 |
$string.= '<div class="eventpost-weather-item">' |
| 257 |
.'<span class="eventpost-weather-date">'.date_i18n(get_option('date_format').' '.get_option('time_format'), $item->dt).'</span> ' |
| 258 |
.'<span class="eventpost-weather-temp">'.round($item->main->temp).' °'.$this->unit_names[$this->units].'</span> ' |
| 259 |
.'<span class="eventpost-weather-list">'.$this->get_weather_icons($item->weather).'</span>' |
| 260 |
.'</div>'; |
| 261 |
return $string; |
| 262 |
} |
| 263 |
|
| 264 |
/** |
| 265 |
* |
| 266 |
* @param type $post |
| 267 |
* @return string |
| 268 |
*/ |
| 269 |
function get_weather($post = null, $echo=false) { |
| 270 |
global $EventPost; |
| 271 |
$event = $EventPost->retreive($post); |
| 272 |
if(false === $weather = $this->get_weather_datas($event)){ |
| 273 |
return ''; |
| 274 |
} |
| 275 |
if(false == $weather['data']){ |
| 276 |
return ''; |
| 277 |
} |
| 278 |
|
| 279 |
$string=''; |
| 280 |
|
| 281 |
switch ($weather['type']){ |
| 282 |
case 'current': |
| 283 |
$string.=$this->get_weather_item($weather['data']); |
| 284 |
break; |
| 285 |
case 'history': |
| 286 |
if(!isset($weather['data']->list) || !is_array($weather['data']->list)){ |
| 287 |
break; |
| 288 |
} |
| 289 |
foreach($weather['data']->list as $day){ |
| 290 |
if($day->dt >= $event->time_start && $day->dt <= $event->time_end){ |
| 291 |
$string.=$this->get_weather_item($day); |
| 292 |
} |
| 293 |
} |
| 294 |
break; |
| 295 |
case 'forecast': |
| 296 |
if(!is_array($weather['data']->list)){ |
| 297 |
break; |
| 298 |
} |
| 299 |
foreach($weather['data']->list as $day){ |
| 300 |
if($day->dt >= $event->time_start && $day->dt <= $event->time_end){ |
| 301 |
$string.=$this->get_weather_item($day); |
| 302 |
} |
| 303 |
} |
| 304 |
break; |
| 305 |
} |
| 306 |
if($echo){ |
| 307 |
echo $string; |
| 308 |
} |
| 309 |
return $string; |
| 310 |
} |
| 311 |
|
| 312 |
/** |
| 313 |
* |
| 314 |
* @param type $event |
| 315 |
* @return type |
| 316 |
*/ |
| 317 |
function get_weather_datas($event){ |
| 318 |
if (!$event->lat || !$event->long || !is_numeric($event->time_start) || !is_numeric($event->time_end)) { |
| 319 |
return false; |
| 320 |
} |
| 321 |
|
| 322 |
$now = current_time('timestamp'); |
| 323 |
$local_weather = $event->weather; |
| 324 |
|
| 325 |
|
| 326 |
|
| 327 |
// Datas are allready stored, we probably won't get better ones. |
| 328 |
if(is_array($local_weather) && $local_weather['data'] && ($local_weather['type']=='current' || $local_weather['type']=='history')){ |
| 329 |
return $local_weather; |
| 330 |
} |
| 331 |
|
| 332 |
// Finally, we have to fetch datas... |
| 333 |
$weather = array('type'=>false, 'data'=>false); |
| 334 |
|
| 335 |
// For Current and history results, we definitly store datas |
| 336 |
if ( $event->time_start<= $now && $event->time_end>=$now) { |
| 337 |
$weather = array('type'=>'current', 'data'=>$this->get_current($event), 'fetched'=>time()); |
| 338 |
update_post_meta($event->ID, $this->META_WEATHER, $weather); |
| 339 |
} |
| 340 |
elseif ( $event->time_end<$now) {// History |
| 341 |
$weather = array('type'=>'history', 'data'=>$this->get_history($event), 'fetched'=>time()); |
| 342 |
update_post_meta($event->ID, $this->META_WEATHER, $weather); |
| 343 |
} |
| 344 |
else { |
| 345 |
// Forecast datas are only stored in cache for 24 hours |
| 346 |
$transient_name = 'eventpost_weather_' . $event->ID; |
| 347 |
$weather = get_transient($transient_name); |
| 348 |
if (false === $weather || empty($weather)) { |
| 349 |
$weather = array('type'=>'forecast', 'data'=>$this->get_forecast($event), 'fetched'=>time()); |
| 350 |
set_transient($transient_name, $weather, 1 * DAY_IN_SECONDS); |
| 351 |
} |
| 352 |
} |
| 353 |
return $weather; |
| 354 |
} |
| 355 |
|
| 356 |
|
| 357 |
/** |
| 358 |
* Generates the URL to call the API |
| 359 |
* @param type $method |
| 360 |
* @param type $params |
| 361 |
* @return type |
| 362 |
*/ |
| 363 |
function get_url($method = 'weather', $params = array()) { |
| 364 |
$params['APPID']= $this->api_key; |
| 365 |
$params['units']= $this->units; |
| 366 |
return 'http://api.openweathermap.org/data/2.5/' . $method . '?' . http_build_query($params); |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* ### current |
| 371 |
* http://api.openweathermap.org/data/2.5/weather?lat={lat}&lon={lon}&APPID=XXXX |
| 372 |
* |
| 373 |
* return: |
| 374 |
* |
| 375 |
{"coord":{"lon":139,"lat":35}, |
| 376 |
"sys":{"country":"JP","sunrise":1369769524,"sunset":1369821049}, |
| 377 |
"weather":[{"id":804,"main":"clouds","description":"overcast clouds","icon":"04n"}], |
| 378 |
"main":{"temp":289.5,"humidity":89,"pressure":1013,"temp_min":287.04,"temp_max":292.04}, |
| 379 |
"wind":{"speed":7.31,"deg":187.002}, |
| 380 |
"rain":{"3h":0}, |
| 381 |
"clouds":{"all":92}, |
| 382 |
"dt":1369824698, |
| 383 |
"id":1851632, |
| 384 |
"name":"Shuzenji", |
| 385 |
"cod":200} |
| 386 |
* |
| 387 |
* @param type $event |
| 388 |
* @return object |
| 389 |
*/ |
| 390 |
function get_current($event){ |
| 391 |
if (!$event->lat || !$event->long) { |
| 392 |
return; |
| 393 |
} |
| 394 |
return json_decode(wp_remote_retrieve_body( |
| 395 |
wp_remote_get( |
| 396 |
$this-> get_url('weather', array( |
| 397 |
'lat' => $event->lat, |
| 398 |
'lon' => $event->long, |
| 399 |
)) |
| 400 |
) |
| 401 |
)); |
| 402 |
} |
| 403 |
|
| 404 |
/** |
| 405 |
* ### forecast |
| 406 |
* api.openweathermap.org/data/2.5/forecast?lat={lat}&lon={lon}&APPID=XXXX |
| 407 |
* |
| 408 |
* return: |
| 409 |
* |
| 410 |
{"city":{"id":1851632,"name":"Shuzenji", |
| 411 |
"coord":{"lon":138.933334,"lat":34.966671}, |
| 412 |
"country":"JP", |
| 413 |
"cod":"200", |
| 414 |
"message":0.0045, |
| 415 |
"cnt":38, |
| 416 |
"list":[{ |
| 417 |
"dt":1406106000, |
| 418 |
"main":{ |
| 419 |
"temp":298.77, |
| 420 |
"temp_min":298.77, |
| 421 |
"temp_max":298.774, |
| 422 |
"pressure":1005.93, |
| 423 |
"sea_level":1018.18, |
| 424 |
"grnd_level":1005.93, |
| 425 |
"humidity":87 |
| 426 |
"temp_kf":0.26}, |
| 427 |
"weather":[{"id":804,"main":"Clouds","description":"overcast clouds","icon":"04d"}], |
| 428 |
"clouds":{"all":88}, |
| 429 |
"wind":{"speed":5.71,"deg":229.501}, |
| 430 |
"sys":{"pod":"d"}, |
| 431 |
"dt_txt":"2014-07-23 09:00:00"} |
| 432 |
]} |
| 433 |
* |
| 434 |
* @param type $event |
| 435 |
* @return type |
| 436 |
*/ |
| 437 |
function get_forecast($event){ |
| 438 |
if (!$event->lat || !$event->long) { |
| 439 |
return; |
| 440 |
} |
| 441 |
return json_decode(wp_remote_retrieve_body( |
| 442 |
wp_remote_get( |
| 443 |
$this-> get_url('forecast', array( |
| 444 |
'lat' => $event->lat, |
| 445 |
'lon' => $event->long, |
| 446 |
)) |
| 447 |
) |
| 448 |
)); |
| 449 |
} |
| 450 |
|
| 451 |
/** |
| 452 |
* ### history |
| 453 |
* http://api.openweathermap.org/data/2.5/history/city?lat={lat}&lon={lon}&type=hour&start={start}&end={end}&APPID=XXXX |
| 454 |
* |
| 455 |
* Parameters: |
| 456 |
* lat, lon coordinates of the location of your interest |
| 457 |
* type type of the call, keep this parameter in the API call as 'hour' |
| 458 |
* start start date (unix time, UTC time zone), e.g. start=1369728000 |
| 459 |
* end end date (unix time, UTC time zone), e.g. end=1369789200 |
| 460 |
* cnt amount of returned data (one per hour, can be used instead of 'end') * |
| 461 |
* |
| 462 |
* return: |
| 463 |
{"message":"","cod":"200","type":"tick","station_id":39419,"cnt":30, |
| 464 |
"list":[ |
| 465 |
{"dt":1345291920, |
| 466 |
"main":{"temp":291.55,"humidity":95,"pressure":1009.3}, |
| 467 |
"wind":{"speed":0,"gust":0.3}, |
| 468 |
"rain":{"1h":0.6,"today":2.7}, |
| 469 |
"calc":{"dewpoint":17.6} } |
| 470 |
]} |
| 471 |
* |
| 472 |
* |
| 473 |
* @param type $event |
| 474 |
* @return type |
| 475 |
*/ |
| 476 |
function get_history($event) { |
| 477 |
if (!$event->start || !$event->end || !$event->lat || !$event->long) { |
| 478 |
return; |
| 479 |
} |
| 480 |
$history = json_decode(wp_remote_retrieve_body( |
| 481 |
wp_remote_get( |
| 482 |
$this-> get_url('history/city', array( |
| 483 |
'lat' => $event->lat, |
| 484 |
'lon' => $event->long, |
| 485 |
'start' => $event->time_start, |
| 486 |
'end' => $event->time_end, |
| 487 |
'type' => 'hour', |
| 488 |
)) |
| 489 |
) |
| 490 |
)); |
| 491 |
return $history ? $history : (object) array('result'=>false); |
| 492 |
} |
| 493 |
|
| 494 |
} |
| 495 |
|
