assistant / backend / src / Controllers / PostsExportController.php

PostsExportController.php in Assistant – Every Day Productivity Apps 1.4.3, at backend/src/Controllers/PostsExportController.php

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1	<?php
2
3	namespace FL\Assistant\Controllers;
4
5	use FL\Assistant\System\Contracts\ControllerAbstract;
6	use FL\Assistant\System\View;
7	use WP_REST_Server;
8
9	/**
10	* REST API logic for exporting posts.
11	*/
12	class PostsExportController extends ControllerAbstract {
13
14	protected $view;
15
16	public function __construct( View $view ) {
17	$this->view = $view;
18	}
19
20	/**
21	* Register routes.
22	*/
23	public function register_routes() {
24	$this->route(
25	'/posts/(?P<id>\d+)/export',
26	[
27	[
28	'methods' => WP_REST_Server::CREATABLE,
29	'callback' => [ $this, 'export_post' ],
30	'permission_callback' => function () {
31	return current_user_can( 'export' );
32	},
33	],
34	]
35	);
36	}
37
38	/**
39	* Export a single post.
40	*/
41	public function export_post( $request ) {
42	$this->delete_exports();
43
44	/* Get requested post data */
45	$post_id = absint( $request->get_param( 'id' ) );
46	$post = get_post( $post_id );
47
48	/* Create temporary file */
49	$upload_dir = wp_upload_dir( null, false );
50	$file_url = $upload_dir['baseurl'] . '/assistant_export_' . $post->ID . '.xml';
51	$file = $upload_dir['basedir'] . '/assistant_export_' . $post->ID . '.xml';
52
53	/* Creates taxonomies string for xml export */
54	$taxonomies = get_taxonomies( '', 'names' );
55	$terms = wp_get_object_terms( $post->ID, $taxonomies );
56
57	$taxonomies_str = '';
58	foreach ( $terms as $term ) {
59	$taxonomies_str .= '<category domain="' . $term->taxonomy . '" nicename="' . $term->slug . '">' . $this->wxr_cdata( $term->name ) . '</category>';
60	}
61
62	/* Creates comments string */
63	$comments = get_comments( [ 'post_id' => $post->ID ] );
64
65	$comment_str = '';
66
67	foreach ( $comments as $comment ) {
68
69	$comment_str .= '<wp:comment>
70	<wp:comment_id>' . $comment->comment_ID . '</wp:comment_id>
71	<wp:comment_author>' . $this->wxr_cdata( $comment->comment_author ) . '</wp:comment_author>
72	<wp:comment_author_email>' . $this->wxr_cdata( $comment->comment_author_email ) . '</wp:comment_author_email>
73	<wp:comment_author_url></wp:comment_author_url>
74	<wp:comment_author_IP>' . $this->wxr_cdata( $comment->comment_author_ip ) . '</wp:comment_author_IP>
75	<wp:comment_date>' . $this->wxr_cdata( $comment->comment_date ) . '</wp:comment_date>
76	<wp:comment_date_gmt>' . $this->wxr_cdata( $comment->comment_date_gmt ) . '</wp:comment_date_gmt>
77	<wp:comment_content>' . $this->wxr_cdata( $comment->comment_content ) . '</wp:comment_content>
78	<wp:comment_approved>' . $this->wxr_cdata( $comment->comment_approved ) . '</wp:comment_approved>
79	<wp:comment_type><![CDATA[]]></wp:comment_type>
80	<wp:comment_parent>' . $comment->comment_parent . '</wp:comment_parent>
81	<wp:comment_user_id>' . $comment->user_id . '</wp:comment_user_id>
82	</wp:comment>
83	';
84	}
85
86	/* Creates post meta string */
87	$meta_str = '';
88	$meta_values = get_post_meta( $post->ID );
89	foreach ( $meta_values as $key => $values ) {
90	foreach ( $values as $value ) {
91	/* Ignore BB history meta */
92	if ( false !== strpos( $key, '_fl_builder_history' ) ) {
93	continue;
94	}
95	$meta_str .= '<wp:postmeta>
96	<wp:meta_key>' . $this->wxr_cdata( $key ) . '</wp:meta_key>
97	<wp:meta_value>' . $this->wxr_cdata( $value ) . '</wp:meta_value>
98	</wp:postmeta>
99	';
100	}
101	}
102
103	/* Author data */
104
105	$author_display_name = $this->wxr_cdata( get_the_author_meta( 'display_name', $post->post_author ) );
106
107	/* Post content */
108
109	$post_content = $this->wxr_cdata( $post->post_author );
110	$post_excerpt = $this->wxr_cdata( $post->post_excerpt );
111	$post_date = $this->wxr_cdata( $post->post_date );
112	$post_date_gmt = $this->wxr_cdata( $post->post_date_gmt );
113	$comment_status = $this->wxr_cdata( $post->comment_status );
114	$ping_status = $this->wxr_cdata( $post->ping_status );
115	$post_title = $this->wxr_cdata( $post->post_title );
116	$post_status = $this->wxr_cdata( $post->post_status );
117	$post_type = $this->wxr_cdata( $post->post_type );
118
119	$export_data = $this->view->render_to_string(
120	'post-export',
121	[
122	'post' => $post,
123	'taxonomy_data' => $taxonomies_str,
124	'comment_data' => $comment_str,
125	'meta_data' => $meta_str,
126	'author_name' => $author_display_name,
127	'post_content' => $post_content,
128	'post_excerpt' => $post_excerpt,
129	'post_date' => $post_date,
130	'post_date_gmt' => $post_date_gmt,
131	'comment_status' => $comment_status,
132	'ping_status' => $ping_status,
133	'post_title' => $post_title,
134	'post_status' => $post_status,
135	'post_type' => $post_type,
136	]
137	);
138
139	file_put_contents( $file, $export_data );
140
141	return $file_url;
142	}
143
144	/**
145	* Remove temporary export files.
146	*/
147	public function delete_exports() {
148	$upload_dir = wp_upload_dir( null, false );
149	$files = glob( trailingslashit( $upload_dir['basedir'] ) . 'assistant_export_*.xml' );
150
151	foreach ( $files as $file ) {
152	unlink( $file );
153	}
154	}
155
156
157	function wxr_cdata( $str ) {
158	if ( ! seems_utf8( $str ) ) {
159	$str = utf8_encode( $str );
160	}
161	$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';
162
163	return $str;
164	}
165	}
166