1: <?php
 2: 
 3: namespace Charcoal\Object;
 4: 
 5: /**
 6:  *
 7:  */
 8: interface PublishableInterface
 9: {
10:     /**
11:      * @param string|DateTime $publishDate The publish date.
12:      * @return PublishableInterface Chainable
13:      */
14:     public function setPublishDate($publishDate);
15: 
16:     /**
17:      * @return DateTime|null
18:      */
19:     public function publishDate();
20: 
21:     /**
22:      * @param string|DateTime $expiryDate The expiry date.
23:      * @return PublishableInterface Chainable
24:      */
25:     public function setExpiryDate($expiryDate);
26: 
27:     /**
28:      * @return DateTime|null
29:      */
30:     public function expiryDate();
31: 
32:     /**
33:      * @param string $status The publish status (can be draft, pending or published).
34:      * @return PublishableInterface Chainable
35:      */
36:     public function setPublishStatus($status);
37: 
38:     /**
39:      * @return string
40:      */
41:     public function publishStatus();
42: 
43:     /**
44:      * @return boolean
45:      */
46:     public function isPublished();
47: }
48: