assistant / backend / src / Controllers / PostsExportController.php

PostsExportController.php in Assistant – Every Day Productivity Apps 0.7.0.2, at backend/src/Controllers/PostsExportController.php

192 lines 5.5 KB

Raw Download Zip

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	$this->route(
38	'/posts/(?P<id>\d+)/export',
39	[
40	[
41	'methods' => WP_REST_Server::DELETABLE,
42	'callback' => [ $this, 'delete_export' ],
43	'permission_callback' => function () {
44	return current_user_can( 'export' );
45	},
46	],
47	]
48	);
49	}
50
51	/**
52	* Export a single post.
53	*/
54	public function export_post( $request ) {
55	/* Get requested post data */
56	$post_id = absint( $request->get_param( 'id' ) );
57	$post = get_post( $post_id );
58
59	/* Create temporary file */
60	$file_url = WP_CONTENT_URL . '/' . sanitize_file_name( $post->post_title ) . '_' . $post->ID . '.xml';
61	$file = WP_CONTENT_DIR . '/' . sanitize_file_name( $post->post_title ) . '_' . $post->ID . '.xml';
62	$current = '';
63
64	if ( file_exists( $file ) ) {
65	$current = file_get_contents( $file );
66	}
67
68	/* Creates taxonomies string for xml export */
69	$taxonomies = get_taxonomies( '', 'names' );
70	$terms = wp_get_object_terms( $post->ID, $taxonomies );
71
72	$taxonomies_str = '';
73	foreach ( $terms as $term ) {
74	$taxonomies_str .= '<category domain="' . $term->taxonomy . '" nicename="' . $term->slug . '">' . $this->wxr_cdata( $term->name ) . '</category>';
75	}
76
77	/* Creates comments string */
78	$comments = get_comments( [ 'post_id' => $post->ID ] );
79
80	$comment_str = '';
81
82	foreach ( $comments as $comment ) {
83
84	$comment_str .= '<wp:comment>
85	<wp:comment_id>' . $comment->comment_ID . '</wp:comment_id>
86	<wp:comment_author>' . $this->wxr_cdata( $comment->comment_author ) . '</wp:comment_author>
87	<wp:comment_author_email>' . $this->wxr_cdata( $comment->comment_author_email ) . '</wp:comment_author_email>
88	<wp:comment_author_url></wp:comment_author_url>
89	<wp:comment_author_IP>' . $this->wxr_cdata( $comment->comment_author_ip ) . '</wp:comment_author_IP>
90	<wp:comment_date>' . $this->wxr_cdata( $comment->comment_date ) . '</wp:comment_date>
91	<wp:comment_date_gmt>' . $this->wxr_cdata( $comment->comment_date_gmt ) . '</wp:comment_date_gmt>
92	<wp:comment_content>' . $this->wxr_cdata( $comment->comment_content ) . '</wp:comment_content>
93	<wp:comment_approved>' . $this->wxr_cdata( $comment->comment_approved ) . '</wp:comment_approved>
94	<wp:comment_type><![CDATA[]]></wp:comment_type>
95	<wp:comment_parent>' . $comment->comment_parent . '</wp:comment_parent>
96	<wp:comment_user_id>' . $comment->user_id . '</wp:comment_user_id>
97	</wp:comment>
98	';
99	}
100
101	/* Creates post meta string */
102	$meta_str = '';
103	$meta_values = get_post_meta( $post->ID );
104	foreach ( $meta_values as $key => $values ) {
105	foreach ( $values as $value ) {
106	$meta_str .= '<wp:postmeta>
107	<wp:meta_key>' . $this->wxr_cdata( $key ) . '</wp:meta_key>
108	<wp:meta_value>' . $this->wxr_cdata( $value ) . '</wp:meta_value>
109	</wp:postmeta>
110	';
111	}
112	}
113
114	/* Author data */
115
116	$author_display_name = $this->wxr_cdata( get_the_author_meta( 'display_name', $post->post_author ) );
117
118	/* Post content */
119
120	$post_content = $this->wxr_cdata( $post->post_author );
121	$post_excerpt = $this->wxr_cdata( $post->post_excerpt );
122	$post_date = $this->wxr_cdata( $post->post_date );
123	$post_date_gmt = $this->wxr_cdata( $post->post_date_gmt );
124	$comment_status = $this->wxr_cdata( $post->comment_status );
125	$ping_status = $this->wxr_cdata( $post->ping_status );
126	$post_title = $this->wxr_cdata( $post->post_title );
127	$post_status = $this->wxr_cdata( $post->post_status );
128	$post_type = $this->wxr_cdata( $post->post_type );
129
130	$export_data = $this->view->render_to_string(
131	'post-export',
132	[
133	'post' => $post,
134	'taxonomy_data' => $taxonomies_str,
135	'comment_data' => $comment_str,
136	'meta_data' => $meta_str,
137	'author_name' => $author_display_name,
138	'post_content' => $post_content,
139	'post_excerpt' => $post_excerpt,
140	'post_date' => $post_date,
141	'post_date_gmt' => $post_date_gmt,
142	'comment_status' => $comment_status,
143	'ping_status' => $ping_status,
144	'post_title' => $post_title,
145	'post_status' => $post_status,
146	'post_type' => $post_type,
147	]
148	);
149
150	file_put_contents( $file, $current . $export_data );
151
152	return $file_url;
153	}
154
155	/**
156	* Remove temporary exported file.
157	*/
158	public function delete_export( $request ) {
159
160	$post_id = absint( $request->get_param( 'id' ) );
161	$post = get_post( $post_id );
162
163	/* Remove temporary file */
164	$file = WP_CONTENT_DIR . '/' . sanitize_file_name( $post->post_title ) . '_' . $post->ID . '.xml';
165
166	if ( file_exists( $file ) ) {
167	unlink( $file );
168	return rest_ensure_response(
169	[
170	'success' => true,
171	]
172	);
173	} else {
174	return rest_ensure_response(
175	[
176	'error' => true,
177	]
178	);
179	}
180	}
181
182
183	function wxr_cdata( $str ) {
184	if ( ! seems_utf8( $str ) ) {
185	$str = utf8_encode( $str );
186	}
187	$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';
188
189	return $str;
190	}
191	}
192