| @@ -1,7 +1,17 @@ | ||
| 1 | 1 | <?php |
| 2 | +/** | |
| 3 | + * Abstract class serving as the parent for all logger classes AKA "Connectors". | |
| 4 | + * Common functionality for registering log events are defined here. | |
| 5 | + * | |
| 6 | + * @package WP_Stream; | |
| 7 | + */ | |
| 8 | + | |
| 2 | 9 | namespace WP_Stream; |
| 3 | 10 | |
| 11 | +/** | |
| 12 | + * Class - Connector | |
| 13 | + */ | |
| 4 | 14 | abstract class Connector { |
| 5 | 15 | /** |
| 6 | 16 | * Connector slug |
| 7 | 17 | * |
| @@ -30,27 +40,80 @@ | ||
| 30 | 40 | */ |
| 31 | 41 | public $prev_stream = null; |
| 32 | 42 | |
| 33 | 43 | /** |
| 44 | + * Register connector in the WP Admin | |
| 45 | + * | |
| 46 | + * @var bool | |
| 47 | + */ | |
| 48 | + public $register_admin = true; | |
| 49 | + | |
| 50 | + /** | |
| 51 | + * Register connector in the WP Frontend | |
| 52 | + * | |
| 53 | + * @var bool | |
| 54 | + */ | |
| 55 | + public $register_frontend = true; | |
| 56 | + | |
| 57 | + /** | |
| 58 | + * Holds connector registration status flag. | |
| 59 | + * | |
| 60 | + * @var bool | |
| 61 | + */ | |
| 62 | + private $is_registered = false; | |
| 63 | + | |
| 64 | + /** | |
| 65 | + * Is the connector currently registered? | |
| 66 | + * | |
| 67 | + * @return boolean | |
| 68 | + */ | |
| 69 | + public function is_registered() { | |
| 70 | + return $this->is_registered; | |
| 71 | + } | |
| 72 | + | |
| 73 | + /** | |
| 34 | 74 | * Register all context hooks |
| 35 | 75 | */ |
| 36 | 76 | public function register() { |
| 77 | + if ( $this->is_registered ) { | |
| 78 | + return; | |
| 79 | + } | |
| 80 | + | |
| 37 | 81 | foreach ( $this->actions as $action ) { |
| 38 | 82 | add_action( $action, array( $this, 'callback' ), 10, 99 ); |
| 39 | 83 | } |
| 40 | 84 | |
| 41 | 85 | add_filter( 'wp_stream_action_links_' . $this->name, array( $this, 'action_links' ), 10, 2 ); |
| 86 | + | |
| 87 | + $this->is_registered = true; | |
| 42 | 88 | } |
| 43 | 89 | |
| 44 | 90 | /** |
| 91 | + * Unregister all context hooks | |
| 92 | + */ | |
| 93 | + public function unregister() { | |
| 94 | + if ( ! $this->is_registered ) { | |
| 95 | + return; | |
| 96 | + } | |
| 97 | + | |
| 98 | + foreach ( $this->actions as $action ) { | |
| 99 | + remove_action( $action, array( $this, 'callback' ), 10, 99 ); | |
| 100 | + } | |
| 101 | + | |
| 102 | + remove_filter( 'wp_stream_action_links_' . $this->name, array( $this, 'action_links' ), 10, 2 ); | |
| 103 | + | |
| 104 | + $this->is_registered = false; | |
| 105 | + } | |
| 106 | + | |
| 107 | + /** | |
| 45 | 108 | * Callback for all registered hooks throughout Stream |
| 46 | 109 | * Looks for a class method with the convention: "callback_{action name}" |
| 47 | 110 | */ |
| 48 | 111 | public function callback() { |
| 49 | 112 | $action = current_filter(); |
| 50 | - $callback = array( $this, 'callback_' . preg_replace( '/[^a-z0-9_\-]/', '_', $action ) ); | |
| 113 | + $callback = array( $this, 'callback_' . preg_replace( '/[^a-z0-9_]/', '_', $action ) ); | |
| 51 | 114 | |
| 52 | - // For the sake of testing, trigger an action with the name of the callback | |
| 115 | + // For the sake of testing, trigger an action with the name of the callback. | |
| 53 | 116 | if ( defined( 'WP_STREAM_TESTS' ) && WP_STREAM_TESTS ) { |
| 54 | 117 | /** |
| 55 | 118 | * Action fires during testing to test the current callback |
| 56 | 119 | * |
| @@ -58,9 +121,9 @@ | ||
| 58 | 121 | */ |
| 59 | 122 | do_action( 'wp_stream_test_' . $callback[1] ); |
| 60 | 123 | } |
| 61 | 124 | |
| 62 | - // Call the real function | |
| 125 | + // Call the real function. | |
| 63 | 126 | if ( is_callable( $callback ) ) { |
| 64 | 127 | return call_user_func_array( $callback, func_get_args() ); |
| 65 | 128 | } |
| 66 | 129 | } |
| @@ -67,10 +130,10 @@ | ||
| 67 | 130 | |
| 68 | 131 | /** |
| 69 | 132 | * Add action links to Stream drop row in admin list screen |
| 70 | 133 | * |
| 71 | - * @param array $links Previous links registered | |
| 72 | - * @param object $record Stream record | |
| 134 | + * @param array $links Previous links registered. | |
| 135 | + * @param object $record Stream record. | |
| 73 | 136 | * |
| 74 | 137 | * @filter wp_stream_action_links_{connector} |
| 75 | 138 | * |
| 76 | 139 | * @return array Action links |
| @@ -82,14 +145,14 @@ | ||
| 82 | 145 | |
| 83 | 146 | /** |
| 84 | 147 | * Log handler |
| 85 | 148 | * |
| 86 | - * @param string $message sprintf-ready error message string | |
| 87 | - * @param array $args sprintf (and extra) arguments to use | |
| 88 | - * @param int $object_id Target object id | |
| 89 | - * @param string $context Context of the event | |
| 90 | - * @param string $action Action of the event | |
| 91 | - * @param int $user_id User responsible for the event | |
| 149 | + * @param string $message sprintf-ready error message string. | |
| 150 | + * @param array $args sprintf (and extra) arguments to use. | |
| 151 | + * @param int $object_id Target object id. | |
| 152 | + * @param string $context Context of the event. | |
| 153 | + * @param string $action Action of the event. | |
| 154 | + * @param int $user_id User responsible for the event. | |
| 92 | 155 | * |
| 93 | 156 | * @return bool |
| 94 | 157 | */ |
| 95 | 158 | public function log( $message, $args, $object_id, $context, $action, $user_id = null ) { |
| @@ -117,9 +180,9 @@ | ||
| 117 | 180 | |
| 118 | 181 | /** |
| 119 | 182 | * Save log data till shutdown, so other callbacks would be able to override |
| 120 | 183 | * |
| 121 | - * @param string $handle Special slug to be shared with other actions | |
| 184 | + * @param string $handle Special slug to be shared with other actions. | |
| 122 | 185 | * @note param mixed $arg1 Extra arguments to sent to log() |
| 123 | 186 | * @note param param mixed $arg2, etc.. |
| 124 | 187 | */ |
| 125 | 188 | public function delayed_log( $handle ) { |
| @@ -143,11 +206,11 @@ | ||
| 143 | 206 | |
| 144 | 207 | /** |
| 145 | 208 | * Compare two values and return changed keys if they are arrays |
| 146 | 209 | * |
| 147 | - * @param mixed $old_value Value before change | |
| 148 | - * @param mixed $new_value Value after change | |
| 149 | - * @param bool|int $deep Get array children changes keys as well, not just parents | |
| 210 | + * @param mixed $old_value Value before change. | |
| 211 | + * @param mixed $new_value Value after change. | |
| 212 | + * @param bool|int $deep Get array children changes keys as well, not just parents. | |
| 150 | 213 | * |
| 151 | 214 | * @return array |
| 152 | 215 | */ |
| 153 | 216 | public function get_changed_keys( $old_value, $new_value, $deep = false ) { |
| @@ -165,16 +228,17 @@ | ||
| 165 | 228 | |
| 166 | 229 | $diff = array_udiff_assoc( |
| 167 | 230 | $old_value, |
| 168 | 231 | $new_value, |
| 169 | - function( $value1, $value2 ) { | |
| 170 | - return maybe_serialize( $value1 ) !== maybe_serialize( $value2 ); | |
| 232 | + function ( $value1, $value2 ) { | |
| 233 | + // Compare potentially complex nested arrays. | |
| 234 | + return wp_json_encode( $value1 ) !== wp_json_encode( $value2 ); | |
| 171 | 235 | } |
| 172 | 236 | ); |
| 173 | 237 | |
| 174 | 238 | $result = array_keys( $diff ); |
| 175 | 239 | |
| 176 | - // find unexisting keys in old or new value | |
| 240 | + // Find unexisting keys in old or new value. | |
| 177 | 241 | $common_keys = array_keys( array_intersect_key( $old_value, $new_value ) ); |
| 178 | 242 | $unique_keys_old = array_values( array_diff( array_keys( $old_value ), $common_keys ) ); |
| 179 | 243 | $unique_keys_new = array_values( array_diff( array_keys( $new_value ), $common_keys ) ); |
| 180 | 244 | |
| @@ -179,12 +243,12 @@ | ||
| 179 | 243 | $unique_keys_new = array_values( array_diff( array_keys( $new_value ), $common_keys ) ); |
| 180 | 244 | |
| 181 | 245 | $result = array_merge( $result, $unique_keys_old, $unique_keys_new ); |
| 182 | 246 | |
| 183 | - // remove numeric indexes | |
| 247 | + // Remove numeric indexes. | |
| 184 | 248 | $result = array_filter( |
| 185 | 249 | $result, |
| 186 | - function( $value ) { | |
| 250 | + function ( $value ) { | |
| 187 | 251 | // @codingStandardsIgnoreStart |
| 188 | 252 | // check if is not valid number (is_int, is_numeric and ctype_digit are not enough) |
| 189 | 253 | return (string) (int) $value !== (string) $value; |
| 190 | 254 | // @codingStandardsIgnoreEnd |
| @@ -193,9 +257,9 @@ | ||
| 193 | 257 | |
| 194 | 258 | $result = array_values( array_unique( $result ) ); |
| 195 | 259 | |
| 196 | 260 | if ( false === $deep ) { |
| 197 | - return $result; // Return an numerical based array with changed TOP PARENT keys only | |
| 261 | + return $result; // Return an numerical based array with changed TOP PARENT keys only. | |
| 198 | 262 | } |
| 199 | 263 | |
| 200 | 264 | $result = array_fill_keys( $result, null ); |
| 201 | 265 | |
| @@ -200,22 +264,22 @@ | ||
| 200 | 264 | $result = array_fill_keys( $result, null ); |
| 201 | 265 | |
| 202 | 266 | foreach ( $result as $key => $val ) { |
| 203 | 267 | if ( in_array( $key, $unique_keys_old, true ) ) { |
| 204 | - $result[ $key ] = false; // Removed | |
| 268 | + $result[ $key ] = false; // Removed. | |
| 205 | 269 | } elseif ( in_array( $key, $unique_keys_new, true ) ) { |
| 206 | - $result[ $key ] = true; // Added | |
| 207 | - } elseif ( $deep ) { // Changed, find what changed, only if we're allowed to explore a new level | |
| 270 | + $result[ $key ] = true; // Added. | |
| 271 | + } elseif ( $deep ) { // Changed, find what changed, only if we're allowed to explore a new level. | |
| 208 | 272 | if ( is_array( $old_value[ $key ] ) && is_array( $new_value[ $key ] ) ) { |
| 209 | 273 | $inner = array(); |
| 210 | 274 | $parent = $key; |
| 211 | - $deep--; | |
| 275 | + --$deep; | |
| 212 | 276 | $changed = $this->get_changed_keys( $old_value[ $key ], $new_value[ $key ], $deep ); |
| 213 | 277 | foreach ( $changed as $child => $change ) { |
| 214 | 278 | $inner[ $parent . '::' . $child ] = $change; |
| 215 | 279 | } |
| 216 | - $result[ $key ] = 0; // Changed parent which has a changed children | |
| 217 | - $result = array_merge( $result, $inner ); | |
| 280 | + $result[ $key ] = 0; // Changed parent which has a changed children. | |
| 281 | + $result = array_merge( $result, $inner ); | |
| 218 | 282 | } |
| 219 | 283 | } |
| 220 | 284 | } |
| 221 | 285 | |
| @@ -228,6 +292,16 @@ | ||
| 228 | 292 | * @return bool |
| 229 | 293 | */ |
| 230 | 294 | public function is_dependency_satisfied() { |
| 231 | 295 | return true; |
| 296 | + } | |
| 297 | + | |
| 298 | + /** | |
| 299 | + * Escape % characters in a string to avoid Uncaught ValueErrors in $this->log(). | |
| 300 | + * | |
| 301 | + * @param string $value The string value to be escaped. | |
| 302 | + * @return string The escaped string. | |
| 303 | + */ | |
| 304 | + public function escape_percentages( $value ) { | |
| 305 | + return str_replace( '%', '%%', $value ); | |
| 232 | 306 | } |
| 233 | 307 | } |