Complex classes like WordPress_GitHub_Sync often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use WordPress_GitHub_Sync, and based on these observations, apply Extract Interface, too.
1 | <?php |
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48 | class WordPress_GitHub_Sync { |
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49 | |||
50 | /** |
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51 | * Object instance. |
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52 | * |
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53 | * @var self |
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54 | */ |
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55 | public static $instance; |
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56 | |||
57 | /** |
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58 | * Language text domain. |
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59 | * |
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60 | * @var string |
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61 | */ |
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62 | public static $text_domain = 'wp-github-sync'; |
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63 | |||
64 | /** |
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65 | * Current version. |
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66 | * |
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67 | * @var string |
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68 | */ |
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69 | public static $version = '2.0.1'; |
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70 | |||
71 | /** |
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72 | * Controller object. |
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73 | * |
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74 | * @var WordPress_GitHub_Sync_Controller |
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75 | */ |
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76 | public $controller; |
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77 | |||
78 | /** |
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79 | * Admin object. |
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80 | * |
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81 | * @var WordPress_GitHub_Sync_Admin |
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82 | */ |
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83 | public $admin; |
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84 | |||
85 | /** |
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86 | * CLI object. |
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87 | * |
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88 | * @var WordPress_GitHub_Sync_CLI |
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89 | */ |
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90 | protected $cli; |
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91 | |||
92 | /** |
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93 | * Request object. |
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94 | * |
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95 | * @var WordPress_GitHub_Sync_Request |
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96 | */ |
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97 | protected $request; |
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98 | |||
99 | /** |
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100 | * Response object. |
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101 | * |
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102 | * @var WordPress_GitHub_Sync_Response |
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103 | */ |
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104 | protected $response; |
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105 | |||
106 | /** |
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107 | * Api object. |
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108 | * |
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109 | * @var WordPress_GitHub_Sync_Api |
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110 | */ |
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111 | protected $api; |
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112 | |||
113 | /** |
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114 | * Import object. |
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115 | * |
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116 | * @var WordPress_GitHub_Sync_Import |
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117 | */ |
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118 | protected $import; |
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119 | |||
120 | /** |
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121 | * Export object. |
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122 | * |
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123 | * @var WordPress_GitHub_Sync_Export |
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124 | */ |
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125 | protected $export; |
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126 | |||
127 | /** |
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128 | * Semaphore object. |
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129 | * |
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130 | * @var WordPress_GitHub_Sync_Semaphore |
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131 | */ |
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132 | protected $semaphore; |
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133 | |||
134 | /** |
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135 | * Database object. |
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136 | * |
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137 | * @var WordPress_GitHub_Sync_Database |
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138 | */ |
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139 | protected $database; |
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140 | |||
141 | /** |
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142 | * Cache object. |
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143 | * |
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144 | * @var WordPress_GitHub_Sync_Cache |
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145 | */ |
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146 | protected $cache; |
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147 | |||
148 | /** |
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149 | * Called at load time, hooks into WP core |
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150 | */ |
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151 | public function __construct() { |
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164 | |||
165 | /** |
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166 | * Attaches the plugin's hooks into WordPress. |
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167 | */ |
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168 | public function boot() { |
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185 | |||
186 | /** |
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187 | * Init i18n files |
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188 | */ |
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189 | public function l10n() { |
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192 | |||
193 | /** |
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194 | * Sets and kicks off the export cronjob |
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195 | */ |
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196 | public function start_export() { |
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200 | |||
201 | /** |
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202 | * Sets and kicks off the import cronjob |
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203 | */ |
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204 | public function start_import() { |
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207 | |||
208 | /** |
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209 | * Enables the admin notice on initial activation |
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210 | */ |
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211 | public function activate() { |
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216 | |||
217 | /** |
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218 | * Displays the activation admin notice |
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219 | */ |
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220 | public function activation_notice() { |
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238 | |||
239 | /** |
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240 | * Get the Controller object. |
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241 | * |
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242 | * @return WordPress_GitHub_Sync_Controller |
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243 | */ |
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244 | public function controller() { |
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247 | |||
248 | /** |
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249 | * Lazy-load the CLI object. |
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250 | * |
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251 | * @return WordPress_GitHub_Sync_CLI |
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252 | */ |
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253 | public function cli() { |
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260 | |||
261 | /** |
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262 | * Lazy-load the Request object. |
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263 | * |
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264 | * @return WordPress_GitHub_Sync_Request |
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265 | */ |
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266 | public function request() { |
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273 | |||
274 | /** |
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275 | * Lazy-load the Response object. |
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276 | * |
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277 | * @return WordPress_GitHub_Sync_Response |
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278 | */ |
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279 | public function response() { |
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286 | |||
287 | /** |
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288 | * Lazy-load the Api object. |
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289 | * |
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290 | * @return WordPress_GitHub_Sync_Api |
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291 | */ |
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292 | public function api() { |
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299 | |||
300 | /** |
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301 | * Lazy-load the Import object. |
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302 | * |
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303 | * @return WordPress_GitHub_Sync_Import |
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304 | */ |
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305 | public function import() { |
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312 | |||
313 | /** |
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314 | * Lazy-load the Export object. |
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315 | * |
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316 | * @return WordPress_GitHub_Sync_Export |
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317 | */ |
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318 | public function export() { |
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325 | |||
326 | /** |
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327 | * Lazy-load the Semaphore object. |
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328 | * |
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329 | * @return WordPress_GitHub_Sync_Semaphore |
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330 | */ |
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331 | public function semaphore() { |
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338 | |||
339 | /** |
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340 | * Lazy-load the Database object. |
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341 | * |
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342 | * @return WordPress_GitHub_Sync_Database |
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343 | */ |
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344 | public function database() { |
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351 | |||
352 | /** |
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353 | * Lazy-load the Cache object. |
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354 | * |
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355 | * @return WordPress_GitHub_Sync_Cache |
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356 | */ |
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357 | public function cache() { |
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364 | |||
365 | /** |
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366 | 2 | * Print to WP_CLI if in CLI environment or |
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367 | 2 | * write to debug.log if WP_DEBUG is enabled |
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368 | * |
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369 | * @source http://www.stumiller.me/sending-output-to-the-wordpress-debug-log/ |
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370 | 2 | * |
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371 | * @param mixed $msg Message text. |
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372 | 2 | * @param string $write How to write the message, if CLI. |
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373 | 2 | */ |
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374 | public static function write_log( $msg, $write = 'line' ) { |
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389 | |||
390 | /** |
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391 | * Kicks of an import or export cronjob. |
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392 | * |
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393 | * @param string $type Cron to kick off. |
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394 | */ |
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395 | protected function start_cron( $type ) { |
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400 | } |
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401 |