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377 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package VikAppointments |
| 4 | * @subpackage core |
| 5 | * @author E4J s.r.l. |
| 6 | * @copyright Copyright (C) 2021 E4J s.r.l. All Rights Reserved. |
| 7 | * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
| 8 | * @link https://vikwp.com |
| 9 | */ |
| 10 | |
| 11 | // No direct access |
| 12 | defined('ABSPATH') or die('No script kiddies please!'); |
| 13 | |
| 14 | VAPLoader::import('libraries.mvc.model'); |
| 15 | |
| 16 | /** |
| 17 | * VikAppointments customizer model. |
| 18 | * |
| 19 | * @since 1.7.2 |
| 20 | */ |
| 21 | class VikAppointmentsModelCustomizer extends JModelVAP |
| 22 | { |
| 23 | /** |
| 24 | * Returns the path in which the default environment CSS file is stored. |
| 25 | * |
| 26 | * @return string |
| 27 | */ |
| 28 | public function getDefaultPath() |
| 29 | { |
| 30 | return JPath::clean(VAPBASE . '/assets/css/environment.css'); |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Returns the URL in which the default environment CSS file is stored. |
| 35 | * |
| 36 | * @return string |
| 37 | */ |
| 38 | public function getDefaultUrl() |
| 39 | { |
| 40 | return VAPASSETS_URI . 'css/environment.css'; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Returns the path in which the custom environment CSS file is stored. |
| 45 | * |
| 46 | * @param string $pk The name of the file to use ("environment" by default). |
| 47 | * |
| 48 | * @return string |
| 49 | */ |
| 50 | public function getCustomPath($pk = null) |
| 51 | { |
| 52 | if (!$pk) |
| 53 | { |
| 54 | $pk = 'environment'; |
| 55 | } |
| 56 | else |
| 57 | { |
| 58 | $pk = preg_replace("/\.css$/i", '', $pk); |
| 59 | } |
| 60 | |
| 61 | return JPath::clean(VAP_CSS_CUSTOMIZER . '/' . $pk . '.css'); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Returns the URL in which the custom environment CSS file is stored. |
| 66 | * |
| 67 | * @param string $pk The name of the file to use ("environment" by default). |
| 68 | * |
| 69 | * @return string |
| 70 | */ |
| 71 | public function getCustomUrl($pk = null) |
| 72 | { |
| 73 | if (!$pk) |
| 74 | { |
| 75 | $pk = 'environment'; |
| 76 | } |
| 77 | else |
| 78 | { |
| 79 | $pk = preg_replace("/\.css$/i", '', $pk); |
| 80 | } |
| 81 | |
| 82 | return VAP_CSS_CUSTOMIZER_URI . $pk . '.css'; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Returns the path of the environment file to load. |
| 87 | * |
| 88 | * @param string $pk The name of the file to use ("environment" by default). |
| 89 | * |
| 90 | * @return string |
| 91 | */ |
| 92 | public function getEnvironmentFile($pk = null) |
| 93 | { |
| 94 | // get custom path first |
| 95 | $path = $this->getCustomPath($pk); |
| 96 | |
| 97 | // make sure the custom file exists |
| 98 | if (JFile::exists($path)) |
| 99 | { |
| 100 | return $path; |
| 101 | } |
| 102 | |
| 103 | // nope, return the default one |
| 104 | return $this->getDefaultPath(); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Returns the URL of the environment file to load. |
| 109 | * |
| 110 | * @param string $pk The name of the file to use ("environment" by default). |
| 111 | * |
| 112 | * @return string |
| 113 | */ |
| 114 | public function getEnvironmentUrl($pk = null) |
| 115 | { |
| 116 | // get custom path first |
| 117 | $path = $this->getCustomPath($pk); |
| 118 | |
| 119 | // make sure the custom file exists |
| 120 | if (JFile::exists($path)) |
| 121 | { |
| 122 | return $this->getCustomUrl($pk); |
| 123 | } |
| 124 | |
| 125 | // nope, return the default one |
| 126 | return $this->getDefaultUrl(); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Basic item loading implementation. |
| 131 | * |
| 132 | * @param mixed $pk An optional primary key value to load the row by, or an array of fields to match. |
| 133 | * If not set the instance property value is used. |
| 134 | * @param boolean $new True to return an empty object if missing. |
| 135 | * |
| 136 | * @return mixed The record object on success, null otherwise. |
| 137 | */ |
| 138 | public function getItem($pk = null, $new = false) |
| 139 | { |
| 140 | // build default path |
| 141 | $defaultPath = $this->getDefaultPath(); |
| 142 | |
| 143 | if (!$pk) |
| 144 | { |
| 145 | // use default file |
| 146 | $pk = $defaultPath; |
| 147 | } |
| 148 | else |
| 149 | { |
| 150 | // use custom file |
| 151 | $pk = $this->getEnvironmentFile($pk); |
| 152 | |
| 153 | if ($pk === $defaultPath && !$new) |
| 154 | { |
| 155 | // Custom file not found... |
| 156 | // There's no need to return a default item. |
| 157 | return []; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | if (!JFile::exists($pk)) |
| 162 | { |
| 163 | // nothing to parse |
| 164 | return []; |
| 165 | } |
| 166 | |
| 167 | // read css variables from default environment file |
| 168 | $buffer = file_get_contents($pk); |
| 169 | |
| 170 | $vars = []; |
| 171 | |
| 172 | // extract variables from buffer |
| 173 | if (preg_match_all("/\s*(--[a-zA-Z0-9_\-]+):\s*(.*?);/s", $buffer, $matches)) |
| 174 | { |
| 175 | for ($i = 0; $i < count($matches[0]); $i++) |
| 176 | { |
| 177 | $k = $matches[1][$i]; |
| 178 | $v = $matches[2][$i]; |
| 179 | |
| 180 | $vars[$k] = $v; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | if ($pk !== $defaultPath) |
| 185 | { |
| 186 | // get default vars |
| 187 | $defaultVars = $this->getItem(null, true); |
| 188 | |
| 189 | // scan the default vars, because new properties might have |
| 190 | // been introduced in a second time |
| 191 | foreach ($defaultVars as $k => $v) |
| 192 | { |
| 193 | // check whether the custom file supports the property |
| 194 | if (isset($vars[$k])) |
| 195 | { |
| 196 | // yep, overwrite with custom value |
| 197 | $defaultVars[$k] = $vars[$k]; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | // replace vars array |
| 202 | $vars = $defaultVars; |
| 203 | } |
| 204 | |
| 205 | return $vars; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Scans the supported environment variables and group them in sections. |
| 210 | * |
| 211 | * @param integer $max_levels The maximum number of levels. |
| 212 | * |
| 213 | * @return array |
| 214 | */ |
| 215 | public function getVarsTree($max_levels = 2) |
| 216 | { |
| 217 | // get array holding all the declared variables |
| 218 | $vars = $this->getItem('environment', $blank = true); |
| 219 | |
| 220 | $tree = []; |
| 221 | |
| 222 | foreach ($vars as $k => $v) |
| 223 | { |
| 224 | // extract nodes from variable (exclude initial prefix) |
| 225 | $nodes = preg_split('/[\-_]+/', preg_replace("/^--vap-/i", '', $k)); |
| 226 | |
| 227 | // keep only up to 2 nodes |
| 228 | $levels = array_splice($nodes, 0, $max_levels); |
| 229 | |
| 230 | // create pointer to tree object |
| 231 | $seek = &$tree; |
| 232 | |
| 233 | // scan the variable levels |
| 234 | foreach ($levels as $node) |
| 235 | { |
| 236 | // create node if not yet specified |
| 237 | if (!isset($seek[$node])) |
| 238 | { |
| 239 | $seek[$node] = []; |
| 240 | } |
| 241 | |
| 242 | // register pointer to the current node |
| 243 | $seek = &$seek[$node]; |
| 244 | } |
| 245 | |
| 246 | // prepare leaf data |
| 247 | $data = [ |
| 248 | 'key' => $k, |
| 249 | 'val' => $v, |
| 250 | 'type' => 'color', |
| 251 | ]; |
| 252 | |
| 253 | // create leaf by merging all the remaining levels |
| 254 | $leaf = implode('_', $nodes); |
| 255 | |
| 256 | if ($leaf) |
| 257 | { |
| 258 | // register leaf into the last created node |
| 259 | $seek[$leaf] = $data; |
| 260 | } |
| 261 | else |
| 262 | { |
| 263 | // no leaf to register, overwrite the last created node |
| 264 | $seek = $data; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | return $tree; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Basic save implementation. |
| 273 | * |
| 274 | * @param mixed $data Either an array or an object of data to save. |
| 275 | * |
| 276 | * @return mixed The ID of the record on success, false otherwise. |
| 277 | */ |
| 278 | public function save($data) |
| 279 | { |
| 280 | $data = (array) $data; |
| 281 | |
| 282 | $buffer = ''; |
| 283 | |
| 284 | // register all CSS variables into a buffer |
| 285 | foreach ($data as $k => $v) |
| 286 | { |
| 287 | // check if we are dealing with a color property |
| 288 | if (preg_match("/-(?:color|background|border)$/", $k)) |
| 289 | { |
| 290 | // make HEX safe |
| 291 | $v = '#' . ltrim($v, '#'); |
| 292 | } |
| 293 | |
| 294 | $buffer .= "\t{$k}: {$v};\n"; |
| 295 | } |
| 296 | |
| 297 | // set up CSS file |
| 298 | $buffer = sprintf(":root {\n%s}", $buffer); |
| 299 | |
| 300 | // fetch custom path |
| 301 | $path = $this->getCustomPath(); |
| 302 | |
| 303 | // save CSS into the customizer file |
| 304 | $saved = JFile::write($path, $buffer); |
| 305 | |
| 306 | if ($saved) |
| 307 | { |
| 308 | return $path; |
| 309 | } |
| 310 | |
| 311 | return false; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * Extend delete implementation to delete any related records |
| 316 | * stored within a separated table. |
| 317 | * |
| 318 | * @param mixed $ids Either the record ID or a list of records. |
| 319 | * |
| 320 | * @return boolean True on success, false otherwise. |
| 321 | */ |
| 322 | public function delete($ids) |
| 323 | { |
| 324 | $res = false; |
| 325 | |
| 326 | if (!$ids) |
| 327 | { |
| 328 | // use default environment file |
| 329 | $ids = 'environment'; |
| 330 | } |
| 331 | |
| 332 | // iterate all the specified files |
| 333 | foreach ((array) $ids as $id) |
| 334 | { |
| 335 | // delete the current custom environment file |
| 336 | $res = JFile::delete($this->getCustomPath($id)) || $res; |
| 337 | } |
| 338 | |
| 339 | return $res; |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * Reads the custom CSS code from the default file loaded in the front-end. |
| 344 | * |
| 345 | * @return string |
| 346 | */ |
| 347 | public function getCustomCSS() |
| 348 | { |
| 349 | // build path of the custom CSS file |
| 350 | $path = JPath::clean(VAPBASE . '/assets/css/vap-custom.css'); |
| 351 | |
| 352 | if (!JFile::exists($path)) |
| 353 | { |
| 354 | // file missing |
| 355 | return ''; |
| 356 | } |
| 357 | |
| 358 | // read contents from CSS file |
| 359 | return file_get_contents($path); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Writes the specified CSS code into the custom file. |
| 364 | * |
| 365 | * @param string $css The CSS code to write. |
| 366 | * |
| 367 | * @return boolean True on success, false otherwise. |
| 368 | */ |
| 369 | public function setCustomCSS($css) |
| 370 | { |
| 371 | // build path of the custom CSS file |
| 372 | $path = JPath::clean(VAPBASE . '/assets/css/vap-custom.css'); |
| 373 | |
| 374 | return (bool) JFile::write($path, $css); |
| 375 | } |
| 376 | } |
| 377 |