disable-admin-notices
/
libs
/
factory
/
forms
/
includes
/
providers
/
meta-value-provider.class.php
index.php
3 years ago
meta-value-provider.class.php
1 year ago
options-value-provider.class.php
1 year ago
value-provider.interface.php
1 year ago
meta-value-provider.class.php
303 lines
| 1 | <?php |
| 2 | /** |
| 3 | * The file contains the class of Factory Meta Value Provider. |
| 4 | * |
| 5 | * @author Alex Kovalev <alex.kovalevv@gmail.com> |
| 6 | * @copyright (c) 2018, Webcraftic Ltd |
| 7 | * |
| 8 | * @package factory-forms |
| 9 | * @since 1.0.0 |
| 10 | */ |
| 11 | |
| 12 | // Exit if accessed directly |
| 13 | if( !defined('ABSPATH') ) { |
| 14 | exit; |
| 15 | } |
| 16 | |
| 17 | if( !class_exists('Wbcr_FactoryForms480_OptionsValueProvider') ) { |
| 18 | |
| 19 | /** |
| 20 | * Factory Meta Value Provider |
| 21 | * |
| 22 | * This provide works with meta values like a lazy key-value storage and |
| 23 | * provides methods to commit changes on demand. It increases perfomance on form saving. |
| 24 | * |
| 25 | * @since 1.0.0 |
| 26 | */ |
| 27 | class Wbcr_FactoryForms480_MetaValueProvider implements Wbcr_IFactoryForms480_ValueProvider { |
| 28 | |
| 29 | |
| 30 | public $scope; |
| 31 | |
| 32 | protected $post_id; |
| 33 | |
| 34 | /** |
| 35 | * Values to save $metaName => $metaValue |
| 36 | * @var array |
| 37 | */ |
| 38 | private $values = array(); |
| 39 | |
| 40 | /** |
| 41 | * Chanched meta keys (indexed array) |
| 42 | * @var array |
| 43 | */ |
| 44 | private $keys = array(); |
| 45 | |
| 46 | private $meta = array(); |
| 47 | |
| 48 | |
| 49 | /** |
| 50 | * Creates a new instance of a meta value provider. |
| 51 | * |
| 52 | * @param array $options |
| 53 | */ |
| 54 | public function __construct($options = array()) |
| 55 | { |
| 56 | global $post; |
| 57 | |
| 58 | $this->scope = (isset($options['scope'])) |
| 59 | ? $options['scope'] |
| 60 | : null; |
| 61 | |
| 62 | $this->scope = preg_replace('/\_meta\_box$/', '', $this->formatCamelCase($this->scope)); |
| 63 | |
| 64 | /*$this->post_id = (isset($options['post_id'])) |
| 65 | ? $options['post_id'] |
| 66 | : $post->ID; |
| 67 | |
| 68 | // the second parameter for compatibility with wordpress 3.0 |
| 69 | $temp = get_post_meta($this->post_id, '', true); |
| 70 | |
| 71 | foreach($temp as $key => &$content) { |
| 72 | if( strpos($key, $this->scope) === 0 ) { |
| 73 | $this->meta[$key] = $content; |
| 74 | } |
| 75 | }*/ |
| 76 | |
| 77 | $this->init(); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Initizalize an instance of the provider. |
| 82 | * This method should be invoked before the provider usage. |
| 83 | * |
| 84 | * @param bool $post_id |
| 85 | */ |
| 86 | public function init($post_id = false) |
| 87 | { |
| 88 | global $post; |
| 89 | |
| 90 | $this->post_id = $post_id |
| 91 | ? $post_id |
| 92 | : $post->ID; |
| 93 | |
| 94 | // the second parameter for compatibility with wordpress 3.0 |
| 95 | $temp = get_post_meta($this->post_id, '', true); |
| 96 | |
| 97 | foreach($temp as $key => &$content) { |
| 98 | if( strpos($key, $this->scope) === 0 ) { |
| 99 | $this->meta[$key] = $content; |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Saves changes into a database. |
| 106 | * The method is optimized for bulk updates. |
| 107 | */ |
| 108 | public function saveChanges() |
| 109 | { |
| 110 | |
| 111 | $this->deleteValues(); |
| 112 | $this->insertValues(); |
| 113 | /** |
| 114 | * foreach ($this->values as $key => $value) { |
| 115 | * update_post_meta($this->postId, $key, $value); |
| 116 | * } |
| 117 | */ |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Removes all actual values from a database. |
| 122 | */ |
| 123 | private function deleteValues() |
| 124 | { |
| 125 | if( count($this->keys) == 0 ) { |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | global $wpdb; |
| 130 | |
| 131 | $values = array(); |
| 132 | $keys[] = $this->post_id; |
| 133 | |
| 134 | for($i = 0; $i < count($this->keys); $i++) { |
| 135 | $values[] = '%s'; |
| 136 | $keys[] = $this->keys[$i]; |
| 137 | } |
| 138 | |
| 139 | $clause = implode(',', $values); |
| 140 | $wpdb->query($wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id='%d' AND meta_key IN ($clause)", $keys)); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * /** |
| 145 | * Inserts new values by using bulk insert directly into a database. |
| 146 | * |
| 147 | * @return bool|false|int |
| 148 | */ |
| 149 | private function insertValues() |
| 150 | { |
| 151 | global $wpdb; |
| 152 | |
| 153 | $sql = "INSERT INTO {$wpdb->postmeta} (post_id, meta_key, meta_value) VALUES "; |
| 154 | $rows = array(); |
| 155 | |
| 156 | foreach($this->values as $meta_key => $meta_value) { |
| 157 | if( is_array($meta_value) ) { |
| 158 | foreach($meta_value as $value) { |
| 159 | $rows[] = $wpdb->prepare('(%d,%s,%s)', $this->post_id, $meta_key, $value); |
| 160 | } |
| 161 | } else { |
| 162 | $rows[] = $wpdb->prepare('(%d,%s,%s)', $this->post_id, $meta_key, $meta_value); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | if( empty($rows) ) { |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | $sql = $sql . implode(',', $rows); |
| 171 | |
| 172 | return $wpdb->query($sql); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * @param string $name |
| 177 | * @param null $default |
| 178 | * @param bool $multiple |
| 179 | * @return array|int|null |
| 180 | */ |
| 181 | public function getValue($name, $default = null, $multiple = false) |
| 182 | { |
| 183 | if( is_array($name) ) { |
| 184 | |
| 185 | $values = array(); |
| 186 | $index = 0; |
| 187 | |
| 188 | foreach($name as $item) { |
| 189 | $item_default = ($default && is_array($default) && isset($default[$index])) |
| 190 | ? $default[$index] |
| 191 | : null; |
| 192 | |
| 193 | $values[] = $this->getValueBySingleName($item, $item_default, $multiple); |
| 194 | $index++; |
| 195 | } |
| 196 | |
| 197 | return $values; |
| 198 | } |
| 199 | |
| 200 | $value = $this->getValueBySingleName($name, $default, $multiple); |
| 201 | |
| 202 | return $value; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * @param $single_name |
| 207 | * @param null $default |
| 208 | * @param bool $multiple |
| 209 | * @return int|null |
| 210 | */ |
| 211 | protected function getValueBySingleName($single_name, $default = null, $multiple = false) |
| 212 | { |
| 213 | |
| 214 | $value = isset($this->meta[$this->scope . '_' . $single_name]) |
| 215 | ? ($multiple) |
| 216 | ? $this->meta[$this->scope . '_' . $single_name] |
| 217 | : $this->meta[$this->scope . '_' . $single_name][0] |
| 218 | : $default; |
| 219 | |
| 220 | if( $value === 'true' ) { |
| 221 | $value = 1; |
| 222 | } |
| 223 | if( $value === 'false' ) { |
| 224 | $value = 0; |
| 225 | } |
| 226 | |
| 227 | return $value; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * @param string $name |
| 232 | * @param mixed $value |
| 233 | */ |
| 234 | public function setValue($name, $value) |
| 235 | { |
| 236 | |
| 237 | if( is_array($name) ) { |
| 238 | $index = 0; |
| 239 | |
| 240 | foreach($name as $item) { |
| 241 | $itemValue = ($value && is_array($value) && isset($value[$index])) |
| 242 | ? $value[$index] |
| 243 | : null; |
| 244 | |
| 245 | $this->setValueBySingleName($item, $itemValue); |
| 246 | $index++; |
| 247 | } |
| 248 | |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | $this->setValueBySingleName($name, $value); |
| 253 | |
| 254 | return; |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * @param string $single_name |
| 259 | * @param mixed $singe_value |
| 260 | */ |
| 261 | protected function setValueBySingleName($single_name, $singe_value) |
| 262 | { |
| 263 | $name = $this->scope . '_' . $single_name; |
| 264 | |
| 265 | if( is_array($singe_value) ) { |
| 266 | |
| 267 | foreach($singe_value as $index => $value) { |
| 268 | |
| 269 | $singe_value[$index] = empty($singe_value[$index]) |
| 270 | ? $singe_value[$index] |
| 271 | : stripslashes($singe_value[$index]); |
| 272 | } |
| 273 | |
| 274 | $value = $singe_value; |
| 275 | } else { |
| 276 | $value = empty($singe_value) |
| 277 | ? $singe_value |
| 278 | : stripslashes($singe_value); |
| 279 | } |
| 280 | |
| 281 | $this->values[$name] = $value; |
| 282 | $this->keys[] = $name; |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * @param string $string |
| 287 | * @return string |
| 288 | */ |
| 289 | private function formatCamelCase($string) |
| 290 | { |
| 291 | $output = ""; |
| 292 | foreach(str_split($string) as $char) { |
| 293 | if( strtoupper($char) == $char && !in_array($char, array('_', '-')) ) { |
| 294 | $output .= "_"; |
| 295 | } |
| 296 | $output .= $char; |
| 297 | } |
| 298 | $output = strtolower($output); |
| 299 | |
| 300 | return $output; |
| 301 | } |
| 302 | } |
| 303 | } |