json.php
| 1 | <?php |
| 2 | |
| 3 | if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
| 4 | |
| 5 | if( ! class_exists('acf_json') ) : |
| 6 | |
| 7 | class acf_json { |
| 8 | |
| 9 | function __construct() { |
| 10 | |
| 11 | // update setting |
| 12 | acf_update_setting('save_json', get_stylesheet_directory() . '/acf-json'); |
| 13 | acf_append_setting('load_json', get_stylesheet_directory() . '/acf-json'); |
| 14 | |
| 15 | |
| 16 | // actions |
| 17 | add_action('acf/update_field_group', array($this, 'update_field_group'), 10, 1); |
| 18 | add_action('acf/duplicate_field_group', array($this, 'update_field_group'), 10, 1); |
| 19 | add_action('acf/untrash_field_group', array($this, 'update_field_group'), 10, 1); |
| 20 | add_action('acf/trash_field_group', array($this, 'delete_field_group'), 10, 1); |
| 21 | add_action('acf/delete_field_group', array($this, 'delete_field_group'), 10, 1); |
| 22 | add_action('acf/include_fields', array($this, 'include_json_folders'), 10, 0); |
| 23 | |
| 24 | } |
| 25 | |
| 26 | |
| 27 | /* |
| 28 | * update_field_group |
| 29 | * |
| 30 | * This function is hooked into the acf/update_field_group action and will save all field group data to a .json file |
| 31 | * |
| 32 | * @type function |
| 33 | * @date 10/03/2014 |
| 34 | * @since 5.0.0 |
| 35 | * |
| 36 | * @param $field_group (array) |
| 37 | * @return n/a |
| 38 | */ |
| 39 | |
| 40 | function update_field_group( $field_group ) { |
| 41 | |
| 42 | // validate |
| 43 | if( !acf_get_setting('json') ) return; |
| 44 | |
| 45 | |
| 46 | // get fields |
| 47 | $field_group['fields'] = acf_get_fields( $field_group ); |
| 48 | |
| 49 | |
| 50 | // save file |
| 51 | acf_write_json_field_group( $field_group ); |
| 52 | |
| 53 | } |
| 54 | |
| 55 | |
| 56 | /* |
| 57 | * delete_field_group |
| 58 | * |
| 59 | * This function will remove the field group .json file |
| 60 | * |
| 61 | * @type function |
| 62 | * @date 10/03/2014 |
| 63 | * @since 5.0.0 |
| 64 | * |
| 65 | * @param $field_group (array) |
| 66 | * @return n/a |
| 67 | */ |
| 68 | |
| 69 | function delete_field_group( $field_group ) { |
| 70 | |
| 71 | // validate |
| 72 | if( !acf_get_setting('json') ) return; |
| 73 | |
| 74 | |
| 75 | // WP appends '__trashed' to end of 'key' (post_name) |
| 76 | $field_group['key'] = str_replace('__trashed', '', $field_group['key']); |
| 77 | |
| 78 | |
| 79 | // delete |
| 80 | acf_delete_json_field_group( $field_group['key'] ); |
| 81 | |
| 82 | } |
| 83 | |
| 84 | |
| 85 | /* |
| 86 | * include_json_folders |
| 87 | * |
| 88 | * This function will include all registered .json files |
| 89 | * |
| 90 | * @type function |
| 91 | * @date 10/03/2014 |
| 92 | * @since 5.0.0 |
| 93 | * |
| 94 | * @param n/a |
| 95 | * @return n/a |
| 96 | */ |
| 97 | |
| 98 | function include_json_folders() { |
| 99 | |
| 100 | // validate |
| 101 | if( !acf_get_setting('json') ) return; |
| 102 | |
| 103 | |
| 104 | // vars |
| 105 | $paths = acf_get_setting('load_json'); |
| 106 | |
| 107 | |
| 108 | // loop through and add to cache |
| 109 | foreach( $paths as $path ) { |
| 110 | |
| 111 | $this->include_json_folder( $path ); |
| 112 | |
| 113 | } |
| 114 | |
| 115 | } |
| 116 | |
| 117 | |
| 118 | /* |
| 119 | * include_json_folder |
| 120 | * |
| 121 | * This function will include all .json files within a folder |
| 122 | * |
| 123 | * @type function |
| 124 | * @date 1/5/17 |
| 125 | * @since 5.5.13 |
| 126 | * |
| 127 | * @param n/a |
| 128 | * @return n/a |
| 129 | */ |
| 130 | |
| 131 | function include_json_folder( $path = '' ) { |
| 132 | |
| 133 | // remove trailing slash |
| 134 | $path = untrailingslashit( $path ); |
| 135 | |
| 136 | |
| 137 | // bail early if path does not exist |
| 138 | if( !is_dir($path) ) return false; |
| 139 | |
| 140 | |
| 141 | // open |
| 142 | $dir = opendir( $path ); |
| 143 | |
| 144 | // bail early if not valid |
| 145 | if( !$dir ) return false; |
| 146 | |
| 147 | // loop over files |
| 148 | while(false !== ( $file = readdir($dir)) ) { |
| 149 | |
| 150 | // validate type |
| 151 | if( pathinfo($file, PATHINFO_EXTENSION) !== 'json' ) continue; |
| 152 | |
| 153 | |
| 154 | // read json |
| 155 | $json = file_get_contents("{$path}/{$file}"); |
| 156 | |
| 157 | |
| 158 | // validate json |
| 159 | if( empty($json) ) continue; |
| 160 | |
| 161 | |
| 162 | // decode |
| 163 | $json = json_decode($json, true); |
| 164 | |
| 165 | |
| 166 | // add local |
| 167 | $json['local'] = 'json'; |
| 168 | |
| 169 | |
| 170 | // add field group |
| 171 | acf_add_local_field_group( $json ); |
| 172 | |
| 173 | } |
| 174 | |
| 175 | |
| 176 | // return |
| 177 | return true; |
| 178 | |
| 179 | } |
| 180 | |
| 181 | } |
| 182 | |
| 183 | |
| 184 | // initialize |
| 185 | acf()->json = new acf_json(); |
| 186 | |
| 187 | endif; // class_exists check |
| 188 | |
| 189 | |
| 190 | /* |
| 191 | * acf_write_json_field_group |
| 192 | * |
| 193 | * This function will save a field group to a json file within the current theme |
| 194 | * |
| 195 | * @type function |
| 196 | * @date 5/12/2014 |
| 197 | * @since 5.1.5 |
| 198 | * |
| 199 | * @param $field_group (array) |
| 200 | * @return (boolean) |
| 201 | */ |
| 202 | |
| 203 | function acf_write_json_field_group( $field_group ) { |
| 204 | |
| 205 | // vars |
| 206 | $path = acf_get_setting('save_json'); |
| 207 | $file = $field_group['key'] . '.json'; |
| 208 | |
| 209 | |
| 210 | // remove trailing slash |
| 211 | $path = untrailingslashit( $path ); |
| 212 | |
| 213 | |
| 214 | // bail early if dir does not exist |
| 215 | if( !is_writable($path) ) return false; |
| 216 | |
| 217 | |
| 218 | // prepare for export |
| 219 | $id = acf_extract_var( $field_group, 'ID' ); |
| 220 | $field_group = acf_prepare_field_group_for_export( $field_group ); |
| 221 | |
| 222 | |
| 223 | // add modified time |
| 224 | $field_group['modified'] = get_post_modified_time('U', true, $id, true); |
| 225 | |
| 226 | |
| 227 | // write file |
| 228 | $f = fopen("{$path}/{$file}", 'w'); |
| 229 | fwrite($f, acf_json_encode( $field_group )); |
| 230 | fclose($f); |
| 231 | |
| 232 | |
| 233 | // return |
| 234 | return true; |
| 235 | |
| 236 | } |
| 237 | |
| 238 | |
| 239 | /* |
| 240 | * acf_delete_json_field_group |
| 241 | * |
| 242 | * This function will delete a json field group file |
| 243 | * |
| 244 | * @type function |
| 245 | * @date 5/12/2014 |
| 246 | * @since 5.1.5 |
| 247 | * |
| 248 | * @param $key (string) |
| 249 | * @return (boolean) |
| 250 | */ |
| 251 | |
| 252 | function acf_delete_json_field_group( $key ) { |
| 253 | |
| 254 | // vars |
| 255 | $path = acf_get_setting('save_json'); |
| 256 | $file = $key . '.json'; |
| 257 | |
| 258 | |
| 259 | // remove trailing slash |
| 260 | $path = untrailingslashit( $path ); |
| 261 | |
| 262 | |
| 263 | // bail early if file does not exist |
| 264 | if( !is_readable("{$path}/{$file}") ) { |
| 265 | |
| 266 | return false; |
| 267 | |
| 268 | } |
| 269 | |
| 270 | |
| 271 | // remove file |
| 272 | unlink("{$path}/{$file}"); |
| 273 | |
| 274 | |
| 275 | // return |
| 276 | return true; |
| 277 | |
| 278 | } |
| 279 | |
| 280 | |
| 281 | ?> |