Complex classes like OpenGraph 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 OpenGraph, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 5 | class OpenGraph |
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| 6 | { |
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| 7 | const DETERMINER_SUPPORTED = [ |
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| 8 | 'a', 'an', 'auto', 'the', |
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| 9 | ]; |
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| 10 | |||
| 11 | const LOCALE_SUPPORTED = [ |
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| 12 | 'af_ZA', 'ak_GH', 'am_ET', 'ar_AR', 'as_IN', 'ay_BO', 'az_AZ', 'be_BY', 'bg_BG', 'bn_IN', 'br_FR', |
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| 13 | 'bs_BA', 'ca_ES', 'cb_IQ', 'ck_US', 'co_FR', 'cs_CZ', 'cx_PH', 'cy_GB', 'da_DK', 'de_DE', 'el_GR', |
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| 14 | 'en_GB', 'en_IN', 'en_US', 'eo_EO', 'es_CO', 'es_ES', 'es_LA', 'et_EE', 'eu_ES', 'fa_IR', 'ff_NG', |
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| 15 | 'fi_FI', 'fo_FO', 'fr_CA', 'fr_FR', 'fy_NL', 'ga_IE', 'gl_ES', 'gn_PY', 'gu_IN', 'gx_GR', 'ha_NG', |
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| 16 | 'he_IL', 'hi_IN', 'hr_HR', 'hu_HU', 'hy_AM', 'id_ID', 'ig_NG', 'is_IS', 'it_IT', 'ja_JP', 'ja_KS', |
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| 17 | 'jv_ID', 'ka_GE', 'kk_KZ', 'km_KH', 'kn_IN', 'ko_KR', 'ku_TR', 'la_VA', 'lg_UG', 'li_NL', 'ln_CD', |
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| 18 | 'lo_LA', 'lt_LT', 'lv_LV', 'mg_MG', 'mk_MK', 'ml_IN', 'mn_MN', 'mr_IN', 'ms_MY', 'mt_MT', 'my_MM', |
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| 19 | 'nb_NO', 'nd_ZW', 'ne_NP', 'nl_BE', 'nl_NL', 'nn_NO', 'ny_MW', 'or_IN', 'pa_IN', 'pl_PL', 'ps_AF', |
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| 20 | 'pt_BR', 'pt_PT', 'qu_PE', 'rm_CH', 'ro_RO', 'ru_RU', 'rw_RW', 'sa_IN', 'sc_IT', 'se_NO', 'si_LK', |
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| 21 | 'sk_SK', 'sl_SI', 'sn_ZW', 'so_SO', 'sq_AL', 'sr_RS', 'sv_SE', 'sw_KE', 'sy_SY', 'sz_PL', 'ta_IN', |
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| 22 | 'te_IN', 'tg_TJ', 'th_TH', 'tk_TM', 'tl_PH', 'tr_TR', 'tt_RU', 'tz_MA', 'uk_UA', 'ur_PK', 'uz_UZ', |
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| 23 | 'vi_VN', 'wo_SN', 'xh_ZA', 'yi_DE', 'yo_NG', 'zh_CN', 'zh_HK', 'zh_TW', 'zu_ZA', 'zz_TR', |
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| 24 | ]; |
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| 25 | |||
| 26 | /** |
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| 27 | * @var string |
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| 28 | */ |
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| 29 | protected $type; |
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| 30 | |||
| 31 | /** |
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| 32 | * @var string |
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| 33 | */ |
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| 34 | protected $title; |
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| 35 | |||
| 36 | /** |
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| 37 | * @var string |
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| 38 | */ |
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| 39 | protected $siteName; |
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| 40 | |||
| 41 | /** |
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| 42 | * @var string |
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| 43 | */ |
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| 44 | protected $description; |
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| 45 | |||
| 46 | /** |
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| 47 | * @var string |
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| 48 | */ |
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| 49 | protected $url; |
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| 50 | |||
| 51 | /** |
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| 52 | * @var string |
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| 53 | */ |
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| 54 | protected $determiner; |
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| 55 | |||
| 56 | /** |
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| 57 | * @var string |
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| 58 | */ |
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| 59 | protected $locale; |
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| 60 | |||
| 61 | /** |
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| 62 | * @var array |
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| 63 | */ |
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| 64 | protected $alternateLocales = []; |
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| 65 | |||
| 66 | /** |
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| 67 | * @var array |
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| 68 | */ |
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| 69 | protected $images = []; |
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| 70 | |||
| 71 | /** |
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| 72 | * @var array |
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| 73 | */ |
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| 74 | protected $audios = []; |
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| 75 | |||
| 76 | /** |
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| 77 | * @var array |
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| 78 | */ |
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| 79 | protected $videos = []; |
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| 80 | |||
| 81 | public function setType($type) |
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| 87 | |||
| 88 | public function getType() |
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| 92 | |||
| 93 | public function setTitle($title) |
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| 99 | |||
| 100 | public function getTitle() |
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| 104 | |||
| 105 | public function setSiteName($siteName) |
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| 111 | |||
| 112 | public function getSiteName() |
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| 116 | |||
| 117 | public function setDescription($description) |
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| 123 | |||
| 124 | public function getDescription() |
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| 128 | |||
| 129 | public function setUrl($url) |
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| 135 | |||
| 136 | public function getUrl() |
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| 140 | |||
| 141 | public function setDeterminer($determiner) |
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| 149 | |||
| 150 | public function getDeterminer() |
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| 154 | |||
| 155 | public function setLocale($locale) |
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| 163 | |||
| 164 | public function getLocale() |
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| 168 | |||
| 169 | public function addAlternateLocale($locale) |
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| 177 | |||
| 178 | public function setAlternateLocales(array $locales) |
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| 188 | |||
| 189 | public function getAlternateLocales() |
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| 193 | |||
| 194 | public function addImage(Image $image) |
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| 200 | |||
| 201 | public function setImages(array $images) |
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| 211 | |||
| 212 | public function getImages() |
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| 216 | |||
| 217 | public function addAudio(Audio $audio) |
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| 223 | |||
| 224 | public function setAudios(array $audios) |
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| 234 | |||
| 235 | public function getAudios() |
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| 239 | |||
| 240 | public function addVideo(Video $video) |
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| 246 | |||
| 247 | public function setVideos(array $videos) |
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| 257 | |||
| 258 | public function getVideos() |
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| 262 | |||
| 263 | protected function trim($string) |
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| 269 | |||
| 270 | public function toArray() |
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| 300 | } |
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| 301 |