| 1 |
<?php |
| 2 |
// +----------------------------------------------------------------------+ |
| 3 |
// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) | |
| 4 |
// +----------------------------------------------------------------------+ |
| 5 |
// | This program is free software; you can redistribute it and/or modify | |
| 6 |
// | it under the terms of the GNU General Public License, version 2, as | |
| 7 |
// | published by the Free Software Foundation. | |
| 8 |
// | | |
| 9 |
// | This program is distributed in the hope that it will be useful, | |
| 10 |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 |
// | GNU General Public License for more details. | |
| 13 |
// | | |
| 14 |
// | You should have received a copy of the GNU General Public License | |
| 15 |
// | along with this program; if not, write to the Free Software | |
| 16 |
// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | |
| 17 |
// | MA 02110-1301 USA | |
| 18 |
// +----------------------------------------------------------------------+ |
| 19 |
// | Author: Eugene Manuilov <eugene@manuilov.org> | |
| 20 |
// +----------------------------------------------------------------------+ |
| 21 |
/** |
| 22 |
* The abstract class for source managers. |
| 23 |
* |
| 24 |
* @category Visualizer |
| 25 |
* @package Source |
| 26 |
* |
| 27 |
* @since 1.0.0 |
| 28 |
* @abstract |
| 29 |
*/ |
| 30 |
abstract class Visualizer_Source { |
| 31 |
|
| 32 |
/** |
| 33 |
* The array of allowed types. |
| 34 |
* |
| 35 |
* @since 1.0.0 |
| 36 |
* |
| 37 |
* @access protected |
| 38 |
* @var array |
| 39 |
*/ |
| 40 |
protected static $allowed_types = array( 'string', 'number', 'boolean', 'date', 'datetime', 'timeofday' ); |
| 41 |
/** |
| 42 |
* The array of data. |
| 43 |
* |
| 44 |
* @since 1.0.0 |
| 45 |
* |
| 46 |
* @access protected |
| 47 |
* @var array |
| 48 |
*/ |
| 49 |
protected $_data = array(); |
| 50 |
/** |
| 51 |
* The array of series. |
| 52 |
* |
| 53 |
* @since 1.0.0 |
| 54 |
* |
| 55 |
* @access protected |
| 56 |
* @var array |
| 57 |
*/ |
| 58 |
protected $_series = array(); |
| 59 |
|
| 60 |
/** |
| 61 |
* The error message. |
| 62 |
* |
| 63 |
* @access protected |
| 64 |
* @var string |
| 65 |
*/ |
| 66 |
protected $_error; |
| 67 |
|
| 68 |
/** |
| 69 |
* Return allowed types |
| 70 |
* |
| 71 |
* @since 1.0.1 |
| 72 |
* |
| 73 |
* @static |
| 74 |
* @access public |
| 75 |
* @return array the allowed types |
| 76 |
*/ |
| 77 |
public static function getAllowedTypes() { |
| 78 |
return self::$allowed_types; |
| 79 |
} |
| 80 |
|
| 81 |
/** |
| 82 |
* Validates series tyeps. |
| 83 |
* |
| 84 |
* @since 1.0.1 |
| 85 |
* |
| 86 |
* @static |
| 87 |
* @access protected |
| 88 |
* |
| 89 |
* @param array $types The icoming series types. |
| 90 |
* |
| 91 |
* @return boolean TRUE if sereis types are valid, otherwise FALSE. |
| 92 |
*/ |
| 93 |
protected static function _validateTypes( $types ) { |
| 94 |
foreach ( $types as $type ) { |
| 95 |
if ( ! in_array( $type, self::$allowed_types, true ) ) { |
| 96 |
return false; |
| 97 |
} |
| 98 |
} |
| 99 |
|
| 100 |
return true; |
| 101 |
} |
| 102 |
|
| 103 |
/** |
| 104 |
* Returns source name. |
| 105 |
* |
| 106 |
* @since 1.0.0 |
| 107 |
* |
| 108 |
* @abstract |
| 109 |
* @access public |
| 110 |
* @return string The name of source. |
| 111 |
*/ |
| 112 |
public abstract function getSourceName(); |
| 113 |
|
| 114 |
/** |
| 115 |
* Fetches information from source, parses it and builds series and data arrays. |
| 116 |
* |
| 117 |
* @since 1.0.0 |
| 118 |
* |
| 119 |
* @abstract |
| 120 |
* @access public |
| 121 |
*/ |
| 122 |
public abstract function fetch(); |
| 123 |
|
| 124 |
/** |
| 125 |
* Returns series parsed from source. |
| 126 |
* |
| 127 |
* @since 1.0.0 |
| 128 |
* |
| 129 |
* @access public |
| 130 |
* @return array The array of series. |
| 131 |
*/ |
| 132 |
public function getSeries() { |
| 133 |
return $this->_series; |
| 134 |
} |
| 135 |
|
| 136 |
/** |
| 137 |
* Returns data parsed from source. |
| 138 |
* |
| 139 |
* @since 1.0.0 |
| 140 |
* |
| 141 |
* @access public |
| 142 |
* @return string The serialized array of data. |
| 143 |
*/ |
| 144 |
public function getData( $fetch_from_editable_table = false ) { |
| 145 |
if ( $fetch_from_editable_table ) { |
| 146 |
$this->_fetchDataFromEditableTable(); |
| 147 |
} |
| 148 |
return serialize( $this->_data ); |
| 149 |
} |
| 150 |
|
| 151 |
/** |
| 152 |
* Returns raw data array. |
| 153 |
* |
| 154 |
* @since 1.1.0 |
| 155 |
* |
| 156 |
* @access public |
| 157 |
* @return array |
| 158 |
*/ |
| 159 |
public function getRawData( $fetch_from_editable_table = false ) { |
| 160 |
if ( $fetch_from_editable_table ) { |
| 161 |
$this->_fetchDataFromEditableTable(); |
| 162 |
} |
| 163 |
return $this->_data; |
| 164 |
} |
| 165 |
|
| 166 |
/** |
| 167 |
* Re populates series if the source is dynamic. |
| 168 |
* |
| 169 |
* @since 1.1.0 |
| 170 |
* |
| 171 |
* @access public |
| 172 |
* |
| 173 |
* @param array $series The actual array of series. |
| 174 |
* @param int $chart_id The chart id. |
| 175 |
* |
| 176 |
* @return array The re populated array of series or old one. |
| 177 |
*/ |
| 178 |
public function repopulateSeries( $series, $chart_id ) { |
| 179 |
return $series; |
| 180 |
} |
| 181 |
|
| 182 |
/** |
| 183 |
* Re populates data if the source is dynamic. |
| 184 |
* |
| 185 |
* @since 1.1.0 |
| 186 |
* |
| 187 |
* @access public |
| 188 |
* |
| 189 |
* @param array $data The actual array of data. |
| 190 |
* @param int $chart_id The chart id. |
| 191 |
* |
| 192 |
* @return array The re populated array of data or old one. |
| 193 |
*/ |
| 194 |
public function repopulateData( $data, $chart_id ) { |
| 195 |
return $data; |
| 196 |
} |
| 197 |
|
| 198 |
/** |
| 199 |
* Normalizes values according to series' type. |
| 200 |
* |
| 201 |
* @since 1.0.0 |
| 202 |
* |
| 203 |
* @access protected |
| 204 |
* |
| 205 |
* @param array $data The row of data. |
| 206 |
* |
| 207 |
* @return array Normalized row of data. |
| 208 |
*/ |
| 209 |
protected function _normalizeData( $data ) { |
| 210 |
// normalize values |
| 211 |
foreach ( $this->_series as $i => $series ) { |
| 212 |
// if no value exists for the seires, then add null |
| 213 |
if ( ! isset( $data[ $i ] ) ) { |
| 214 |
$data[ $i ] = null; |
| 215 |
} |
| 216 |
if ( is_null( $data[ $i ] ) ) { |
| 217 |
continue; |
| 218 |
} |
| 219 |
switch ( $series['type'] ) { |
| 220 |
case 'number': |
| 221 |
$data[ $i ] = ( is_numeric( $data[ $i ] ) ) ? floatval( $data[ $i ] ) : ( is_numeric( str_replace( ',', '', $data[ $i ] ) ) ? floatval( str_replace( ',', '', $data[ $i ] ) ) : null ); |
| 222 |
break; |
| 223 |
case 'boolean': |
| 224 |
$datum = trim( strval( $data[ $i ] ) ); |
| 225 |
$data[ $i ] = in_array( $datum, array( 'true', 'yes', '1' ), true ) ? 'true' : 'false'; |
| 226 |
break; |
| 227 |
case 'timeofday': |
| 228 |
$date = new DateTime( '1984-03-16T' . $data[ $i ] ); |
| 229 |
if ( $date ) { |
| 230 |
$data[ $i ] = array( |
| 231 |
intval( $date->format( 'H' ) ), |
| 232 |
intval( $date->format( 'i' ) ), |
| 233 |
intval( $date->format( 's' ) ), |
| 234 |
0, |
| 235 |
); |
| 236 |
} |
| 237 |
break; |
| 238 |
case 'datetime': |
| 239 |
// let's check if the date is a Unix epoch |
| 240 |
$value = DateTime::createFromFormat( 'U', $data[ $i ] ); |
| 241 |
if ( $value !== false && ! is_wp_error( $value ) ) { |
| 242 |
$data[ $i ] = $value->format( 'Y-m-d H:i:s' ); |
| 243 |
} |
| 244 |
break; |
| 245 |
case 'string': |
| 246 |
// if a ' is provided, strip the backslash |
| 247 |
$data[ $i ] = stripslashes( $this->toUTF8( $data[ $i ] ) ); |
| 248 |
break; |
| 249 |
} |
| 250 |
} |
| 251 |
|
| 252 |
return apply_filters( 'visualizer_format_data', $data, $this->_series ); |
| 253 |
} |
| 254 |
|
| 255 |
|
| 256 |
/** |
| 257 |
* Converts values to UTF8, if required. |
| 258 |
* |
| 259 |
* @access protected |
| 260 |
* |
| 261 |
* @param string $datum The data to convert. |
| 262 |
* |
| 263 |
* @return string The converted data. |
| 264 |
*/ |
| 265 |
protected final function toUTF8( $datum ) { |
| 266 |
if ( ! function_exists( 'mb_detect_encoding' ) || mb_detect_encoding( $datum ) !== 'ASCII' ) { |
| 267 |
$datum = \ForceUTF8\Encoding::toUTF8( $datum ); |
| 268 |
} |
| 269 |
return $datum; |
| 270 |
} |
| 271 |
|
| 272 |
/** |
| 273 |
* Determines the formats of date/time columns. |
| 274 |
* |
| 275 |
* @access public |
| 276 |
* |
| 277 |
* @param array $series The actual array of series. |
| 278 |
* @param array $data The actual array of data. |
| 279 |
* |
| 280 |
* @return array |
| 281 |
*/ |
| 282 |
public static final function get_date_formats_if_exists( $series, $data ) { |
| 283 |
$date_formats = array(); |
| 284 |
$types = array(); |
| 285 |
$index = 0; |
| 286 |
foreach ( $series as $column ) { |
| 287 |
if ( in_array( $column['type'], array( 'date', 'datetime', 'timeofday' ), true ) ) { |
| 288 |
$types[] = array( 'index' => $index, 'type' => $column['type'] ); |
| 289 |
} |
| 290 |
$index++; |
| 291 |
} |
| 292 |
|
| 293 |
if ( ! $types ) { |
| 294 |
return $date_formats; |
| 295 |
} |
| 296 |
|
| 297 |
$random = $data; |
| 298 |
// let's randomly pick 5 data points instead of cycling through the entire data set. |
| 299 |
if ( count( $data ) > 5 ) { |
| 300 |
$random = array(); |
| 301 |
for ( $x = 0; $x < 5; $x++ ) { |
| 302 |
$random[] = $data[ rand( 0, count( $data ) - 1 ) ]; |
| 303 |
} |
| 304 |
} |
| 305 |
|
| 306 |
foreach ( $types as $type ) { |
| 307 |
$formats = array(); |
| 308 |
foreach ( $random as $datum ) { |
| 309 |
$f = self::determine_date_format( $datum[ $type['index'] ], $type['type'] ); |
| 310 |
if ( $f ) { |
| 311 |
$formats[] = $f; |
| 312 |
} |
| 313 |
} |
| 314 |
// if there are multiple formats, use the most frequent format. |
| 315 |
$formats = array_filter( $formats ); |
| 316 |
if ( $formats ) { |
| 317 |
$formats = array_count_values( $formats ); |
| 318 |
arsort( $formats ); |
| 319 |
$formats = array_keys( $formats ); |
| 320 |
$final_format = reset( $formats ); |
| 321 |
// we have determined the PHP format; now we have to change this into the JS format where m = MM, d = DD etc. |
| 322 |
$date_formats[] = array( 'index' => $type['index'], 'format' => str_replace( array( 'Y', 'm', 'd', 'H', 'i', 's' ), array( 'YYYY', 'MM', 'DD', 'HH', 'mm', 'ss' ), $final_format ) ); |
| 323 |
} |
| 324 |
} |
| 325 |
return $date_formats; |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* Determines the date/time format of the given string. |
| 330 |
* |
| 331 |
* @access private |
| 332 |
* |
| 333 |
* @param string $value The string. |
| 334 |
* @param string $type 'date', 'timeofday' or 'datetime'. |
| 335 |
* |
| 336 |
* @return string|null |
| 337 |
*/ |
| 338 |
private static final function determine_date_format( $value, $type ) { |
| 339 |
if ( version_compare( phpversion(), '5.3.0', '<' ) ) { |
| 340 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'PHP version %s not supported', phpversion() ), 'error', __FILE__, __LINE__ ); |
| 341 |
return null; |
| 342 |
} |
| 343 |
|
| 344 |
$formats = array( |
| 345 |
'Y/m/d', |
| 346 |
'Y-m-d', |
| 347 |
'm/d/Y', |
| 348 |
'm-d-Y', |
| 349 |
'd-m-Y', |
| 350 |
'd/m/Y', |
| 351 |
); |
| 352 |
|
| 353 |
switch ( $type ) { |
| 354 |
case 'datetime': |
| 355 |
$formats = array_merge( |
| 356 |
$formats, array( |
| 357 |
'U', |
| 358 |
'Y/m/d H:i:s', |
| 359 |
'Y-m-d H:i:s', |
| 360 |
'm/d/Y H:i:s', |
| 361 |
'm-d-Y H:i:s', |
| 362 |
) |
| 363 |
); |
| 364 |
break; |
| 365 |
case 'timeofday': |
| 366 |
$formats = array_merge( |
| 367 |
$formats, array( |
| 368 |
'H:i:s', |
| 369 |
'H:i', |
| 370 |
) |
| 371 |
); |
| 372 |
break; |
| 373 |
} |
| 374 |
|
| 375 |
$formats = apply_filters( 'visualizer_date_formats', $formats, $type ); |
| 376 |
|
| 377 |
foreach ( $formats as $format ) { |
| 378 |
$return = DateTime::createFromFormat( $format, $value ); |
| 379 |
if ( $return !== false && ! is_wp_error( $return ) ) { |
| 380 |
return $format; |
| 381 |
} |
| 382 |
} |
| 383 |
// invalid format |
| 384 |
return null; |
| 385 |
} |
| 386 |
|
| 387 |
/** |
| 388 |
* Returns the error, if any. |
| 389 |
* |
| 390 |
* @access public |
| 391 |
* @return string |
| 392 |
*/ |
| 393 |
public function get_error() { |
| 394 |
return $this->_error; |
| 395 |
} |
| 396 |
|
| 397 |
/** |
| 398 |
* Fetches information from the editable table and parses it to build series and data arrays. |
| 399 |
* |
| 400 |
* @since ? |
| 401 |
* |
| 402 |
* @access public |
| 403 |
* @return boolean TRUE on success, otherwise FALSE. |
| 404 |
*/ |
| 405 |
public function fetchFromEditableTable() { |
| 406 |
if ( empty( $this->_args ) ) { |
| 407 |
return false; |
| 408 |
} |
| 409 |
|
| 410 |
$this->_fetchSeriesFromEditableTable(); |
| 411 |
$this->_fetchDataFromEditableTable(); |
| 412 |
return true; |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Fetches series information from the editable table. This is fetched only through the UI and not while refreshing the chart data. |
| 417 |
* |
| 418 |
* @since 1.0.0 |
| 419 |
* |
| 420 |
* @access private |
| 421 |
*/ |
| 422 |
private function _fetchSeriesFromEditableTable() { |
| 423 |
$params = $this->_args; |
| 424 |
$headers = array_filter( $params['header'] ); |
| 425 |
$types = array_filter( $params['type'] ); |
| 426 |
$header_row = $type_row = array(); |
| 427 |
if ( $headers ) { |
| 428 |
foreach ( $headers as $header ) { |
| 429 |
if ( ! empty( $types[ $header ] ) ) { |
| 430 |
$this->_series[] = array( |
| 431 |
'label' => $header, |
| 432 |
'type' => $types[ $header ], |
| 433 |
); |
| 434 |
} |
| 435 |
} |
| 436 |
} |
| 437 |
|
| 438 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Series found for %s = %s', print_r( $this->_args, true ), print_r( $this->_series, true ) ), 'debug', __FILE__, __LINE__ ); |
| 439 |
|
| 440 |
return true; |
| 441 |
} |
| 442 |
|
| 443 |
|
| 444 |
/** |
| 445 |
* Fetches data information from the editable table. |
| 446 |
* |
| 447 |
* @since 1.0.0 |
| 448 |
* |
| 449 |
* @access private |
| 450 |
*/ |
| 451 |
private function _fetchDataFromEditableTable() { |
| 452 |
$headers = wp_list_pluck( $this->_series, 'label' ); |
| 453 |
$this->fetch(); |
| 454 |
|
| 455 |
$data = $this->_data; |
| 456 |
$this->_data = array(); |
| 457 |
|
| 458 |
foreach ( $data as $line ) { |
| 459 |
$data_row = array(); |
| 460 |
// we have to make sure we are fetching the data in the right order |
| 461 |
// in case the columns have been reordered |
| 462 |
foreach ( $headers as $header ) { |
| 463 |
$value = $line[ $header ]; |
| 464 |
// phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict |
| 465 |
if ( in_array( $header, $headers ) ) { |
| 466 |
$data_row[] = $value; |
| 467 |
} |
| 468 |
} |
| 469 |
$this->_data[] = $this->_normalizeData( $data_row ); |
| 470 |
} |
| 471 |
|
| 472 |
do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Data found for %s = %s', print_r( $this->_args, true ), print_r( $this->_data, true ) ), 'debug', __FILE__, __LINE__ ); |
| 473 |
|
| 474 |
return true; |
| 475 |
} |
| 476 |
|
| 477 |
|
| 478 |
} |
| 479 |
|
