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Revisions: Introduce wp_get_post_revisions_url() to get URL for editing revisions.

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There's now a way to get a link to a given post's revisions. Introducing `wp_get_post_revisions_url()` and its unit tests.

Props adamsilverstein, audrasjb, costdev, davidbaumwald, garrett-eclipse, georgestephanis, hellofromTonya, iaaxpage.
Fixes #39062.

git-svn-id: https://develop.svn.wordpress.org/trunk@52095 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Tonya Mork 2021-11-10 01:25:09 +00:00
parent 6fc6730d4f
commit c5f9e9abea
2 changed files with 193 additions and 0 deletions
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34
src/wp-includes/revision.php
View File

@ -516,6 +516,40 @@ function wp_get_post_revisions( $post_id = 0, $args = null ) {
return $revisions;
}
/**
* Returns the url for viewing and potentially restoring revisions of a given post.
*
* @since 5.9.0
*
* @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global `$post`.
* @return null|string The URL for editing revisions on the given post, otherwise null.
*/
function wp_get_post_revisions_url( $post_id = 0 ) {
$post = get_post( $post_id );
if ( ! $post instanceof WP_Post ) {
return null;
}
// If the post is a revision, return early.
if ( 'revision' === $post->post_type ) {
return get_edit_post_link( $post );
}
if ( ! wp_revisions_enabled( $post ) ) {
return null;
}
$revisions = wp_get_post_revisions( $post->ID, array( 'posts_per_page' => 1 ) );
if ( 0 === count( $revisions ) ) {
return null;
}
$revision = reset( $revisions );
return get_edit_post_link( $revision );
}
/**
* Determine if revisions are enabled for a given post.
*

159
tests/phpunit/tests/post/revisions.php
View File

@ -654,4 +654,163 @@ class Tests_Post_Revisions extends WP_UnitTestCase {
$this->assertWPError( $revision );
}
/**
* Tests that wp_get_post_revisions_url() returns the revisions URL.
*
* @ticket 39062
*
* @dataProvider data_wp_get_post_revisions_url
*
* @covers ::wp_get_post_revisions_url
*
* @param int $revisions The number of revisions to create.
*/
public function test_wp_get_post_revisions_url( $revisions ) {
wp_set_current_user( self::$admin_user_id );
$post_id = self::factory()->post->create( array( 'post_title' => 'Some Post' ) );
$latest_revision_id = null;
if ( 0 !== $revisions ) {
$latest_revision_id = $post_id;
for ( $i = 0; $i < $revisions; ++$i ) {
wp_update_post(
array(
'ID' => $post_id,
'post_title' => 'Some Post ' . $i,
)
);
$latest_revision_id++;
}
}
$expected = admin_url( 'revision.php?revision=' . $latest_revision_id );
$this->assertSame(
$expected,
wp_get_post_revisions_url( $post_id ),
'Failed when passed the Post ID'
);
$this->assertSame(
$expected,
wp_get_post_revisions_url( $latest_revision_id ),
'Failed when passed the latest revision ID'
);
}
/**
* Tests that wp_get_post_revisions_url() returns the revisions URL
* when passed a WP_Post object.
*
* @ticket 39062
*
* @dataProvider data_wp_get_post_revisions_url
*
* @covers ::wp_get_post_revisions_url
*
* @param int $revisions The number of revisions to create.
*/
public function test_wp_get_post_revisions_url_with_post_object( $revisions ) {
wp_set_current_user( self::$admin_user_id );
$post = self::factory()->post->create_and_get( array( 'post_title' => 'Some Post' ) );
$latest_revision_id = null;
if ( 0 !== $revisions ) {
$latest_revision_id = $post->ID;
for ( $i = 0; $i < $revisions; ++$i ) {
wp_update_post(
array(
'ID' => $post->ID,
'post_title' => 'Some Post ' . $i,
)
);
$latest_revision_id++;
}
}
$expected = admin_url( 'revision.php?revision=' . $latest_revision_id );
$this->assertSame(
$expected,
wp_get_post_revisions_url( $post ),
'Failed when passed the Post Object'
);
$this->assertSame(
$expected,
wp_get_post_revisions_url( $latest_revision_id ),
'Failed when passed the latest revision ID'
);
}
/**
* Data provider.
*
* @return array
*/
public function data_wp_get_post_revisions_url() {
return array(
'one revision' => array( 'revisions' => 1 ),
'multiple revisions' => array( 'revisions' => 2 ),
);
}
/**
* Tests that wp_get_post_revisions_url() returns NULL when a post does not exist.
*
* @ticket 39062
*
* @covers ::wp_get_post_revisions_url
*/
public function test_wp_get_post_revisions_url_returns_null_when_post_does_not_exist() {
wp_set_current_user( self::$admin_user_id );
$post_id = 99999;
$this->assertNull( wp_get_post_revisions_url( $post_id ) );
}
/**
* Tests that wp_get_post_revisions_url() returns NULL when there are no revisions.
*
* @ticket 39062
*
* @covers ::wp_get_post_revisions_url
*/
public function test_wp_get_post_revisions_url_returns_null_with_no_revisions() {
wp_set_current_user( self::$admin_user_id );
$post_id = self::factory()->post->create( array( 'post_title' => 'Some Post' ) );
$this->assertNull( wp_get_post_revisions_url( $post_id ) );
}
/**
* Tests that wp_get_post_revisions_url() returns NULL when revisions are disabled.
*
* @ticket 39062
*
* @covers ::wp_get_post_revisions_url
*/
public function test_wp_get_post_revisions_url_returns_null_with_revisions_disabled() {
wp_set_current_user( self::$admin_user_id );
remove_post_type_support( 'post', 'revisions' );
$post_id = self::factory()->post->create( array( 'post_title' => 'Some Post' ) );
wp_update_post(
array(
'ID' => $post_id,
'post_title' => 'Some Post 2',
)
);
$this->assertNull( wp_get_post_revisions_url( $post_id ) );
add_post_type_support( 'post', 'revisions' );
}
}