Complex classes like Article 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 Article, and based on these observations, apply Extract Interface, too.
1 | <?php |
||
31 | class Article implements ArticleInterface |
||
32 | { |
||
33 | use TranslatableTrait; |
||
34 | use SoftDeletableTrait; |
||
35 | use TimestampableTrait; |
||
36 | use AuthorsAwareTrait; |
||
37 | use KeywordsAwareTrait; |
||
38 | use RelatedArticlesAwareTrait; |
||
39 | use TimestampableCancelTrait; |
||
40 | use SeoMetadataAwareTrait; |
||
41 | use MediaAwareTrait; |
||
42 | |||
43 | /** |
||
44 | * @var mixed |
||
45 | */ |
||
46 | protected $id; |
||
47 | |||
48 | /** |
||
49 | * @var string |
||
50 | */ |
||
51 | protected $title; |
||
52 | |||
53 | /** |
||
54 | * @var string |
||
55 | */ |
||
56 | protected $body; |
||
57 | |||
58 | /** |
||
59 | * @var string |
||
60 | */ |
||
61 | protected $slug; |
||
62 | |||
63 | /** |
||
64 | * @var \DateTime |
||
65 | */ |
||
66 | protected $publishedAt; |
||
67 | |||
68 | /** |
||
69 | * @var string |
||
70 | */ |
||
71 | protected $status = ArticleInterface::STATUS_NEW; |
||
72 | |||
73 | /** |
||
74 | * @var RouteInterface |
||
75 | */ |
||
76 | protected $route; |
||
77 | |||
78 | /** |
||
79 | * @var string |
||
80 | */ |
||
81 | protected $templateName; |
||
82 | |||
83 | /** |
||
84 | * @var \DateTime |
||
85 | */ |
||
86 | protected $publishStartDate; |
||
87 | |||
88 | /** |
||
89 | * @var \DateTime |
||
90 | */ |
||
91 | protected $publishEndDate; |
||
92 | |||
93 | /** |
||
94 | * @var bool |
||
95 | */ |
||
96 | protected $isPublishable; |
||
97 | |||
98 | /** |
||
99 | * @var array |
||
100 | */ |
||
101 | protected $metadata = []; |
||
102 | |||
103 | /** |
||
104 | * @var string |
||
105 | */ |
||
106 | protected $lead; |
||
107 | |||
108 | /** |
||
109 | * @var string |
||
110 | */ |
||
111 | protected $code; |
||
112 | |||
113 | /** |
||
114 | * @var Collection|ArticleSourceInterface[] |
||
115 | */ |
||
116 | protected $sources; |
||
117 | |||
118 | /** |
||
119 | * @var array|null |
||
120 | */ |
||
121 | protected $extra; |
||
122 | |||
123 | /** |
||
124 | * @var Collection|SlideshowInterface[] |
||
125 | */ |
||
126 | protected $slideshows; |
||
127 | |||
128 | public function __construct() |
||
139 | |||
140 | public function setPublishStartDate(\DateTime $startDate = null) |
||
144 | |||
145 | public function getPublishStartDate() |
||
149 | |||
150 | public function setPublishEndDate(\DateTime $endDate = null) |
||
154 | |||
155 | public function getPublishEndDate() |
||
159 | |||
160 | public function isPublishable() |
||
164 | |||
165 | public function setPublishable($boolean) |
||
169 | |||
170 | public function setIsPublishable(bool $boolean): void |
||
174 | |||
175 | public function isPublished() |
||
179 | |||
180 | public function setRoute(RouteInterface $route = null) |
||
184 | |||
185 | public function getRoute() |
||
189 | |||
190 | public function getId() |
||
194 | |||
195 | public function getBody() |
||
199 | |||
200 | public function setBody($body) |
||
204 | |||
205 | public function getTitle() |
||
209 | |||
210 | public function getPlace(): ?array |
||
219 | |||
220 | public function setTitle($title) |
||
232 | |||
233 | public function getSlug() |
||
237 | |||
238 | public function setSlug($slug) |
||
251 | |||
252 | public function getPublishedAt() |
||
256 | |||
257 | public function setPublishedAt(\DateTime $publishedAt) |
||
261 | |||
262 | public function getStatus() |
||
266 | |||
267 | public function setStatus($status) |
||
271 | |||
272 | public function getTemplateName() |
||
276 | |||
277 | public function setTemplateName($templateName) |
||
281 | |||
282 | public function getMetadata() |
||
286 | |||
287 | public function getMetadataByKey(string $key) |
||
295 | |||
296 | public function setMetadata(array $metadata) |
||
300 | |||
301 | public function getSubjectType() |
||
305 | |||
306 | public function getLead() |
||
310 | |||
311 | public function setLead($lead) |
||
315 | |||
316 | public function getCode(): string |
||
320 | |||
321 | public function setCode(string $code) |
||
325 | |||
326 | public function addSourceReference(ArticleSourceReferenceInterface $source) |
||
332 | |||
333 | public function removeSourceReference(ArticleSourceReferenceInterface $source) |
||
337 | |||
338 | public function hasSourceReference(ArticleSourceReferenceInterface $source): bool |
||
342 | |||
343 | public function getSources(): Collection |
||
357 | |||
358 | public function getExtra(): ?array |
||
362 | |||
363 | public function setExtra(?array $extra): void |
||
367 | |||
368 | public function getSlideshows(): Collection |
||
372 | |||
373 | public function hasSlideshow(SlideshowInterface $slideshow): bool |
||
377 | |||
378 | public function addSlideshow(SlideshowInterface $slideshow): void |
||
385 | |||
386 | public function removeSlideshow(SlideshowInterface $slideshow): void |
||
393 | } |
||
394 |