1 <?php

     2 

     3 /**

     4  * bbPress Topic Functions

     5  *

     6  * @package bbPress

     7  * @subpackage Functions

     8  */

     9 

    10 // Exit if accessed directly

    11 if ( !defined( 'ABSPATH' ) ) exit;

    12 

    13 /** Insert ********************************************************************/

    14 

    15 /**

    16  * A wrapper for wp_insert_post() that also includes the necessary meta values

    17  * for the topic to function properly.

    18  *

    19  * @since bbPress (r3349)

    20  *

    21  * @uses bbp_parse_args()

    22  * @uses bbp_get_topic_post_type()

    23  * @uses wp_insert_post()

    24  * @uses update_post_meta()

    25  *

    26  * @param array $topic_data Forum post data

    27  * @param arrap $topic_meta Forum meta data

    28  */

    29 function bbp_insert_topic( $topic_data = array(), $topic_meta = array() ) {

    30 

    31 	// Forum

    32 	$default_topic = array(

    33 		'post_parent'    => 0, // forum ID

    34 		'post_status'    => bbp_get_public_status_id(),

    35 		'post_type'      => bbp_get_topic_post_type(),

    36 		'post_author'    => bbp_get_current_user_id(),

    37 		'post_password'  => '',

    38 		'post_content'   => '',

    39 		'post_title'     => '',

    40 		'comment_status' => 'closed',

    41 		'menu_order'     => 0,

    42 	);

    43 

    44 	// Parse args

    45 	$topic_data = bbp_parse_args( $topic_data, $default_topic, 'insert_topic' );

    46 

    47 	// Insert topic

    48 	$topic_id   = wp_insert_post( $topic_data );

    49 

    50 	// Bail if no topic was added

    51 	if ( empty( $topic_id ) )

    52 		return false;

    53 

    54 	// Forum meta

    55 	$default_meta = array(

    56 		'author_ip'          => bbp_current_author_ip(),

    57 		'forum_id'           => 0,

    58 		'topic_id'           => $topic_id,

    59 		'voice_count'        => 1,

    60 		'reply_count'        => 0,

    61 		'reply_count_hidden' => 0,

    62 		'last_reply_id'      => 0,

    63 		'last_active_id'     => $topic_id,

    64 		'last_active_time'   => get_post_field( 'post_date', $topic_id, 'db' ),

    65 	);

    66 

    67 	// Parse args

    68 	$topic_meta = bbp_parse_args( $topic_meta, $default_meta, 'insert_topic_meta' );

    69 

    70 	// Insert topic meta

    71 	foreach ( $topic_meta as $meta_key => $meta_value )

    72 		update_post_meta( $topic_id, '_bbp_' . $meta_key, $meta_value );

    73 

    74 	// Update the forum

    75 	$forum_id = bbp_get_topic_forum_id( $topic_id );

    76 	if ( !empty( $forum_id ) )

    77 		bbp_update_forum( array( 'forum_id' => $forum_id ) );

    78 

    79 	// Return new topic ID

    80 	return $topic_id;

    81 }

    82 

    83 /** Post Form Handlers ********************************************************/

    84 

    85 /**

    86  * Handles the front end topic submission

    87  *

    88  * @uses bbPress:errors::add() To log various error messages

    89  * @uses bbp_verify_nonce_request() To verify the nonce and check the referer

    90  * @uses bbp_is_anonymous() To check if an anonymous post is being made

    91  * @uses current_user_can() To check if the current user can publish topic

    92  * @uses bbp_get_current_user_id() To get the current user id

    93  * @uses bbp_filter_anonymous_post_data() To filter anonymous data

    94  * @uses bbp_set_current_anonymous_user_data() To set the anonymous user cookies

    95  * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}

    96  * @uses esc_attr() For sanitization

    97  * @uses bbp_is_forum_category() To check if the forum is a category

    98  * @uses bbp_is_forum_closed() To check if the forum is closed

    99  * @uses bbp_is_forum_private() To check if the forum is private

   100  * @uses bbp_check_for_flood() To check for flooding

   101  * @uses bbp_check_for_duplicate() To check for duplicates

   102  * @uses bbp_get_topic_post_type() To get the topic post type

   103  * @uses remove_filter() To remove 'wp_filter_kses' filters if needed

   104  * @uses apply_filters() Calls 'bbp_new_topic_pre_title' with the content

   105  * @uses apply_filters() Calls 'bbp_new_topic_pre_content' with the content

   106  * @uses bbPress::errors::get_error_codes() To get the {@link WP_Error} errors

   107  * @uses wp_insert_post() To insert the topic

   108  * @uses do_action() Calls 'bbp_new_topic' with the topic id, forum id,

   109  *                    anonymous data and reply author

   110  * @uses bbp_stick_topic() To stick or super stick the topic

   111  * @uses bbp_unstick_topic() To unstick the topic

   112  * @uses bbp_get_topic_permalink() To get the topic permalink

   113  * @uses wp_safe_redirect() To redirect to the topic link

   114  * @uses bbPress::errors::get_error_messages() To get the {@link WP_Error} error

   115  *                                              messages

   116  */

   117 function bbp_new_topic_handler() {

   118 

   119 	// Bail if not a POST action

   120 	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )

   121 		return;

   122 

   123 	// Bail if action is not bbp-new-topic

   124 	if ( empty( $_POST['action'] ) || ( 'bbp-new-topic' !== $_POST['action'] ) )

   125 		return;

   126 

   127 	// Nonce check

   128 	if ( ! bbp_verify_nonce_request( 'bbp-new-topic' ) ) {

   129 		bbp_add_error( 'bbp_new_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );

   130 		return;

   131 	}

   132 

   133 	// Define local variable(s)

   134 	$view_all = false;

   135 	$forum_id = $topic_author = $anonymous_data = 0;

   136 	$topic_title = $topic_content = '';

   137 	$terms = array( bbp_get_topic_tag_tax_id() => array() );

   138 

   139 	/** Topic Author **********************************************************/

   140 

   141 	// User is anonymous

   142 	if ( bbp_is_anonymous() ) {

   143 

   144 		// Filter anonymous data

   145 		$anonymous_data = bbp_filter_anonymous_post_data();

   146 

   147 		// Anonymous data checks out, so set cookies, etc...

   148 		if ( !empty( $anonymous_data ) && is_array( $anonymous_data ) ) {

   149 			bbp_set_current_anonymous_user_data( $anonymous_data );

   150 		}

   151 

   152 	// User is logged in

   153 	} else {

   154 

   155 		// User cannot create topics

   156 		if ( !current_user_can( 'publish_topics' ) ) {

   157 			bbp_add_error( 'bbp_topic_permissions', __( '<strong>ERROR</strong>: You do not have permission to create new topics.', 'bbpress' ) );

   158 			return;

   159 		}

   160 

   161 		// Topic author is current user

   162 		$topic_author = bbp_get_current_user_id();

   163 	}

   164 

   165 	// Remove wp_filter_kses filters from title and content for capable users and if the nonce is verified

   166 	if ( current_user_can( 'unfiltered_html' ) && !empty( $_POST['_bbp_unfiltered_html_topic'] ) && wp_create_nonce( 'bbp-unfiltered-html-topic_new' ) == $_POST['_bbp_unfiltered_html_topic'] ) {

   167 		remove_filter( 'bbp_new_topic_pre_title',   'wp_filter_kses' );

   168 		remove_filter( 'bbp_new_topic_pre_content', 'wp_filter_kses' );

   169 	}

   170 

   171 	/** Topic Title ***********************************************************/

   172 

   173 	if ( !empty( $_POST['bbp_topic_title'] ) )

   174 		$topic_title = esc_attr( strip_tags( $_POST['bbp_topic_title'] ) );

   175 

   176 	// Filter and sanitize

   177 	$topic_title = apply_filters( 'bbp_new_topic_pre_title', $topic_title );

   178 

   179 	// No topic title

   180 	if ( empty( $topic_title ) )

   181 		bbp_add_error( 'bbp_topic_title', __( '<strong>ERROR</strong>: Your topic needs a title.', 'bbpress' ) );

   182 

   183 	/** Topic Content *********************************************************/

   184 

   185 	if ( !empty( $_POST['bbp_topic_content'] ) )

   186 		$topic_content = $_POST['bbp_topic_content'];

   187 

   188 	// Filter and sanitize

   189 	$topic_content = apply_filters( 'bbp_new_topic_pre_content', $topic_content );

   190 

   191 	// No topic content

   192 	if ( empty( $topic_content ) )

   193 		bbp_add_error( 'bbp_topic_content', __( '<strong>ERROR</strong>: Your topic cannot be empty.', 'bbpress' ) );

   194 

   195 	/** Topic Forum ***********************************************************/

   196 

   197 	// Forum id was not passed

   198 	if ( empty( $_POST['bbp_forum_id'] ) )

   199 		bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'bbpress' ) );

   200 

   201 	// Forum id was passed

   202 	elseif ( is_numeric( $_POST['bbp_forum_id'] ) )

   203 		$forum_id = (int) $_POST['bbp_forum_id'];

   204 

   205 	// Forum exists

   206 	if ( !empty( $forum_id ) ) {

   207 

   208 		// Forum is a category

   209 		if ( bbp_is_forum_category( $forum_id ) )

   210 			bbp_add_error( 'bbp_edit_topic_forum_category', __( '<strong>ERROR</strong>: This forum is a category. No topics can be created in this forum.', 'bbpress' ) );

   211 

   212 		// Forum is closed and user cannot access

   213 		if ( bbp_is_forum_closed( $forum_id ) && !current_user_can( 'edit_forum', $forum_id ) )

   214 			bbp_add_error( 'bbp_edit_topic_forum_closed', __( '<strong>ERROR</strong>: This forum has been closed to new topics.', 'bbpress' ) );

   215 

   216 		// Forum is private and user cannot access

   217 		if ( bbp_is_forum_private( $forum_id ) && !current_user_can( 'read_private_forums' ) )

   218 			bbp_add_error( 'bbp_edit_topic_forum_private', __( '<strong>ERROR</strong>: This forum is private and you do not have the capability to read or create new topics in it.', 'bbpress' ) );

   219 

   220 		// Forum is hidden and user cannot access

   221 		if ( bbp_is_forum_hidden( $forum_id ) && !current_user_can( 'read_hidden_forums' ) )

   222 			bbp_add_error( 'bbp_edit_topic_forum_hidden', __( '<strong>ERROR</strong>: This forum is hidden and you do not have the capability to read or create new topics in it.', 'bbpress' ) );

   223 	}

   224 

   225 	/** Topic Flooding ********************************************************/

   226 

   227 	if ( !bbp_check_for_flood( $anonymous_data, $topic_author ) )

   228 		bbp_add_error( 'bbp_topic_flood', __( '<strong>ERROR</strong>: Slow down; you move too fast.', 'bbpress' ) );

   229 

   230 	/** Topic Duplicate *******************************************************/

   231 

   232 	if ( !bbp_check_for_duplicate( array( 'post_type' => bbp_get_topic_post_type(), 'post_author' => $topic_author, 'post_content' => $topic_content, 'anonymous_data' => $anonymous_data ) ) )

   233 		bbp_add_error( 'bbp_topic_duplicate', __( '<strong>ERROR</strong>: Duplicate topic detected; it looks as though you&#8217;ve already said that!', 'bbpress' ) );

   234 

   235 	/** Topic Blacklist *******************************************************/

   236 	

   237 	if ( !bbp_check_for_blacklist( $anonymous_data, $topic_author, $topic_title, $topic_content ) )

   238 		bbp_add_error( 'bbp_topic_blacklist', __( '<strong>ERROR</strong>: Your topic cannot be created at this time.', 'bbpress' ) );

   239 

   240 	/** Topic Status **********************************************************/

   241 

   242 	// Maybe put into moderation

   243 	if ( !bbp_check_for_moderation( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {

   244 		$topic_status = bbp_get_pending_status_id();

   245 

   246 	// Default to published

   247 	} else {

   248 		$topic_status = bbp_get_public_status_id();

   249 	}

   250 

   251 	/** Topic Tags ************************************************************/

   252 

   253 	if ( bbp_allow_topic_tags() && !empty( $_POST['bbp_topic_tags'] ) ) {

   254 

   255 		// Escape tag input

   256 		$terms = esc_attr( strip_tags( $_POST['bbp_topic_tags'] ) );

   257 

   258 		// Explode by comma

   259 		if ( strstr( $terms, ',' ) ) {

   260 			$terms = explode( ',', $terms );

   261 		}

   262 

   263 		// Add topic tag ID as main key

   264 		$terms = array( bbp_get_topic_tag_tax_id() => $terms );

   265 	}

   266 

   267 	/** Additional Actions (Before Save) **************************************/

   268 

   269 	do_action( 'bbp_new_topic_pre_extras', $forum_id );

   270 

   271 	// Bail if errors

   272 	if ( bbp_has_errors() )

   273 		return;

   274 

   275 	/** No Errors *************************************************************/

   276 

   277 	// Add the content of the form to $topic_data as an array.

   278 	// Just in time manipulation of topic data before being created

   279 	$topic_data = apply_filters( 'bbp_new_topic_pre_insert', array(

   280 		'post_author'    => $topic_author,

   281 		'post_title'     => $topic_title,

   282 		'post_content'   => $topic_content,

   283 		'post_status'    => $topic_status,

   284 		'post_parent'    => $forum_id,

   285 		'post_type'      => bbp_get_topic_post_type(),

   286 		'tax_input'      => $terms,

   287 		'comment_status' => 'closed'

   288 	) );

   289 

   290 	// Insert topic

   291 	$topic_id = wp_insert_post( $topic_data );

   292 

   293 	/** No Errors *************************************************************/

   294 

   295 	if ( !empty( $topic_id ) && !is_wp_error( $topic_id ) ) {

   296 

   297 		/** Stickies **********************************************************/

   298 

   299 		if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array( 'stick', 'super', 'unstick' ) ) ) {

   300 

   301 			// What's the haps?

   302 			switch ( $_POST['bbp_stick_topic'] ) {

   303 

   304 				// Sticky in this forum

   305 				case 'stick'   :

   306 					bbp_stick_topic( $topic_id );

   307 					break;

   308 

   309 				// Super sticky in all forums

   310 				case 'super'   :

   311 					bbp_stick_topic( $topic_id, true );

   312 					break;

   313 

   314 				// We can avoid this as it is a new topic

   315 				case 'unstick' :

   316 				default        :

   317 					break;

   318 			}

   319 		}

   320 

   321 		/** Trash Check *******************************************************/

   322 

   323 		// If the forum is trash, or the topic_status is switched to

   324 		// trash, trash it properly

   325 		if ( ( get_post_field( 'post_status', $forum_id ) == bbp_get_trash_status_id() ) || ( $topic_data['post_status'] == bbp_get_trash_status_id() ) ) {

   326 

   327 			// Trash the reply

   328 			wp_trash_post( $topic_id );

   329 

   330 			// Force view=all

   331 			$view_all = true;

   332 		}

   333 

   334 		/** Spam Check ********************************************************/

   335 

   336 		// If reply or topic are spam, officially spam this reply

   337 		if ( $topic_data['post_status'] == bbp_get_spam_status_id() ) {

   338 			add_post_meta( $topic_id, '_bbp_spam_meta_status', bbp_get_public_status_id() );

   339 

   340 			// Force view=all

   341 			$view_all = true;

   342 		}

   343 

   344 		/** Update counts, etc... *********************************************/

   345 

   346 		do_action( 'bbp_new_topic', $topic_id, $forum_id, $anonymous_data, $topic_author );

   347 

   348 		/** Additional Actions (After Save) ***********************************/

   349 

   350 		do_action( 'bbp_new_topic_post_extras', $topic_id );

   351 

   352 		/** Redirect **********************************************************/

   353 

   354 		// Redirect to

   355 		$redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';

   356 

   357 		// Get the topic URL

   358 		$redirect_url = bbp_get_topic_permalink( $topic_id, $redirect_to );

   359 

   360 		// Add view all?

   361 		if ( bbp_get_view_all() || !empty( $view_all ) ) {

   362 

   363 			// User can moderate, so redirect to topic with view all set

   364 			if ( current_user_can( 'moderate' ) ) {

   365 				$redirect_url = bbp_add_view_all( $redirect_url );

   366 

   367 			// User cannot moderate, so redirect to forum

   368 			} else {

   369 				$redirect_url = bbp_get_forum_permalink( $forum_id );

   370 			}

   371 		}

   372 

   373 		// Allow to be filtered

   374 		$redirect_url = apply_filters( 'bbp_new_topic_redirect_to', $redirect_url, $redirect_to, $topic_id );

   375 

   376 		/** Successful Save ***************************************************/

   377 

   378 		// Redirect back to new topic

   379 		wp_safe_redirect( $redirect_url );

   380 

   381 		// For good measure

   382 		exit();

   383 

   384 	// Errors

   385 	} else {

   386 		$append_error = ( is_wp_error( $topic_id ) && $topic_id->get_error_message() ) ? $topic_id->get_error_message() . ' ' : '';

   387 		bbp_add_error( 'bbp_topic_error', __( '<strong>ERROR</strong>: The following problem(s) have been found with your topic:' . $append_error, 'bbpress' ) );

   388 	}

   389 }

   390 

   391 /**

   392  * Handles the front end edit topic submission

   393  *

   394  * @uses bbPress:errors::add() To log various error messages

   395  * @uses bbp_get_topic() To get the topic

   396  * @uses bbp_verify_nonce_request() To verify the nonce and check the request

   397  * @uses bbp_is_topic_anonymous() To check if topic is by an anonymous user

   398  * @uses current_user_can() To check if the current user can edit the topic

   399  * @uses bbp_filter_anonymous_post_data() To filter anonymous data

   400  * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}

   401  * @uses esc_attr() For sanitization

   402  * @uses bbp_is_forum_category() To check if the forum is a category

   403  * @uses bbp_is_forum_closed() To check if the forum is closed

   404  * @uses bbp_is_forum_private() To check if the forum is private

   405  * @uses remove_filter() To remove 'wp_filter_kses' filters if needed

   406  * @uses apply_filters() Calls 'bbp_edit_topic_pre_title' with the title and

   407  *                        topic id

   408  * @uses apply_filters() Calls 'bbp_edit_topic_pre_content' with the content

   409  *                        and topic id

   410  * @uses bbPress::errors::get_error_codes() To get the {@link WP_Error} errors

   411  * @uses wp_save_post_revision() To save a topic revision

   412  * @uses bbp_update_topic_revision_log() To update the topic revision log

   413  * @uses bbp_stick_topic() To stick or super stick the topic

   414  * @uses bbp_unstick_topic() To unstick the topic

   415  * @uses wp_update_post() To update the topic

   416  * @uses do_action() Calls 'bbp_edit_topic' with the topic id, forum id,

   417  *                    anonymous data and reply author

   418  * @uses bbp_move_topic_handler() To handle movement of a topic from one forum

   419  *                                 to another

   420  * @uses bbp_get_topic_permalink() To get the topic permalink

   421  * @uses wp_safe_redirect() To redirect to the topic link

   422  * @uses bbPress::errors::get_error_messages() To get the {@link WP_Error} error

   423  *                                              messages

   424  */

   425 function bbp_edit_topic_handler() {

   426 

   427 	// Bail if not a POST action

   428 	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )

   429 		return;

   430 

   431 	// Bail if action is not bbp-edit-topic

   432 	if ( empty( $_POST['action'] ) || ( 'bbp-edit-topic' !== $_POST['action'] ) )

   433 		return;

   434 

   435 	// Define local variable(s)

   436 	$revisions_removed = false;

   437 	$topic = $topic_id = $topic_author = $forum_id = $anonymous_data = 0;

   438 	$topic_title = $topic_content = $topic_edit_reason = '';

   439 

   440 	/** Topic *****************************************************************/

   441 

   442 	// Topic id was not passed

   443 	if ( empty( $_POST['bbp_topic_id'] ) ) {

   444 		bbp_add_error( 'bbp_edit_topic_id', __( '<strong>ERROR</strong>: Topic ID not found.', 'bbpress' ) );

   445 		return;

   446 

   447 	// Topic id was passed

   448 	} elseif ( is_numeric( $_POST['bbp_topic_id'] ) ) {

   449 		$topic_id = (int) $_POST['bbp_topic_id'];

   450 		$topic    = bbp_get_topic( $topic_id );

   451 	}

   452 

   453 	// Topic does not exist

   454 	if ( empty( $topic ) ) {

   455 		bbp_add_error( 'bbp_edit_topic_not_found', __( '<strong>ERROR</strong>: The topic you want to edit was not found.', 'bbpress' ) );

   456 		return;

   457 

   458 	// Topic exists

   459 	} else {

   460 

   461 		// Check users ability to create new topic

   462 		if ( ! bbp_is_topic_anonymous( $topic_id ) ) {

   463 

   464 			// User cannot edit this topic

   465 			if ( !current_user_can( 'edit_topic', $topic_id ) ) {

   466 				bbp_add_error( 'bbp_edit_topic_permissions', __( '<strong>ERROR</strong>: You do not have permission to edit that topic.', 'bbpress' ) );

   467 			}

   468 

   469 			// Set topic author

   470 			$topic_author = bbp_get_topic_author_id( $topic_id );

   471 

   472 		// It is an anonymous post

   473 		} else {

   474 

   475 			// Filter anonymous data

   476 			$anonymous_data = bbp_filter_anonymous_post_data( array(), true );

   477 		}

   478 	}

   479 

   480 	// Nonce check

   481 	if ( ! bbp_verify_nonce_request( 'bbp-edit-topic_' . $topic_id ) ) {

   482 		bbp_add_error( 'bbp_edit_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );

   483 		return;

   484 	}

   485 

   486 	// Remove wp_filter_kses filters from title and content for capable users and if the nonce is verified

   487 	if ( current_user_can( 'unfiltered_html' ) && !empty( $_POST['_bbp_unfiltered_html_topic'] ) && ( wp_create_nonce( 'bbp-unfiltered-html-topic_' . $topic_id ) == $_POST['_bbp_unfiltered_html_topic'] ) ) {

   488 		remove_filter( 'bbp_edit_topic_pre_title',   'wp_filter_kses' );

   489 		remove_filter( 'bbp_edit_topic_pre_content', 'wp_filter_kses' );

   490 	}

   491 

   492 	/** Topic Forum ***********************************************************/

   493 

   494 	// Forum id was not passed

   495 	if ( empty( $_POST['bbp_forum_id'] ) ) {

   496 		bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'bbpress' ) );

   497 

   498 	// Forum id was passed

   499 	} elseif ( is_numeric( $_POST['bbp_forum_id'] ) ) {

   500 		$forum_id = (int) $_POST['bbp_forum_id'];

   501 	}

   502 

   503 	// Current forum this topic is in

   504 	$current_forum_id = bbp_get_topic_forum_id( $topic_id );

   505 

   506 	// Forum exists

   507 	if ( !empty( $forum_id ) && ( $forum_id !== $current_forum_id ) ) {

   508 

   509 		// Forum is a category

   510 		if ( bbp_is_forum_category( $forum_id ) )

   511 			bbp_add_error( 'bbp_edit_topic_forum_category', __( '<strong>ERROR</strong>: This forum is a category. No topics can be created in it.', 'bbpress' ) );

   512 

   513 		// Forum is closed and user cannot access

   514 		if ( bbp_is_forum_closed( $forum_id ) && !current_user_can( 'edit_forum', $forum_id ) )

   515 			bbp_add_error( 'bbp_edit_topic_forum_closed', __( '<strong>ERROR</strong>: This forum has been closed to new topics.', 'bbpress' ) );

   516 

   517 		// Forum is private and user cannot access

   518 		if ( bbp_is_forum_private( $forum_id ) && !current_user_can( 'read_private_forums' ) )

   519 			bbp_add_error( 'bbp_edit_topic_forum_private', __( '<strong>ERROR</strong>: This forum is private and you do not have the capability to read or create new topics in it.', 'bbpress' ) );

   520 

   521 		// Forum is hidden and user cannot access

   522 		if ( bbp_is_forum_hidden( $forum_id ) && !current_user_can( 'read_hidden_forums' ) )

   523 			bbp_add_error( 'bbp_edit_topic_forum_hidden', __( '<strong>ERROR</strong>: This forum is hidden and you do not have the capability to read or create new topics in it.', 'bbpress' ) );

   524 	}

   525 

   526 	/** Topic Title ***********************************************************/

   527 

   528 	if ( !empty( $_POST['bbp_topic_title'] ) )

   529 		$topic_title = esc_attr( strip_tags( $_POST['bbp_topic_title'] ) );

   530 

   531 	// Filter and sanitize

   532 	$topic_title = apply_filters( 'bbp_edit_topic_pre_title', $topic_title, $topic_id );

   533 

   534 	// No topic title

   535 	if ( empty( $topic_title ) )

   536 		bbp_add_error( 'bbp_edit_topic_title', __( '<strong>ERROR</strong>: Your topic needs a title.', 'bbpress' ) );

   537 

   538 	/** Topic Content *********************************************************/

   539 

   540 	if ( !empty( $_POST['bbp_topic_content'] ) )

   541 		$topic_content = $_POST['bbp_topic_content'];

   542 

   543 	// Filter and sanitize

   544 	$topic_content = apply_filters( 'bbp_edit_topic_pre_content', $topic_content, $topic_id );

   545 

   546 	// No topic content

   547 	if ( empty( $topic_content ) )

   548 		bbp_add_error( 'bbp_edit_topic_content', __( '<strong>ERROR</strong>: Your topic cannot be empty.', 'bbpress' ) );

   549 

   550 	/** Topic Blacklist *******************************************************/

   551 	

   552 	if ( !bbp_check_for_blacklist( $anonymous_data, $topic_author, $topic_title, $topic_content ) )

   553 		bbp_add_error( 'bbp_topic_blacklist', __( '<strong>ERROR</strong>: Your topic cannot be edited at this time.', 'bbpress' ) );

   554 

   555 	/** Topic Status **********************************************************/

   556 	

   557 	// Maybe put into moderation

   558 	if ( !bbp_check_for_moderation( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {

   559 

   560 		// Set post status to pending if public or closed

   561 		if ( in_array( $topic->post_status, array( bbp_get_public_status_id(), bbp_get_closed_status_id() ) ) ) {

   562 			$topic_status = bbp_get_pending_status_id();

   563 		}

   564 

   565 	// Use existing post_status

   566 	} else {

   567 		$topic_status = $topic->post_status;

   568 	}

   569 

   570 	/** Topic Tags ************************************************************/

   571 

   572 	// Either replace terms

   573 	if ( bbp_allow_topic_tags() && current_user_can( 'assign_topic_tags' ) && ! empty( $_POST['bbp_topic_tags'] ) ) {

   574 

   575 		// Escape tag input

   576 		$terms = esc_attr( strip_tags( $_POST['bbp_topic_tags'] ) );

   577 

   578 		// Explode by comma

   579 		if ( strstr( $terms, ',' ) )

   580 			$terms = explode( ',', $terms );

   581 

   582 		// Add topic tag ID as main key

   583 		$terms = array( bbp_get_topic_tag_tax_id() => $terms );

   584 

   585 	// ...or remove them.

   586 	} elseif ( isset( $_POST['bbp_topic_tags'] ) ) {

   587 		$terms = array( bbp_get_topic_tag_tax_id() => array() );

   588 

   589 	// Existing terms

   590 	} else {

   591 		$terms = array( bbp_get_topic_tag_tax_id() => explode( ',', bbp_get_topic_tag_names( $topic_id, ',' ) ) );

   592 	}

   593 

   594 	/** Additional Actions (Before Save) **************************************/

   595 

   596 	do_action( 'bbp_edit_topic_pre_extras', $topic_id );

   597 

   598 	// Bail if errors

   599 	if ( bbp_has_errors() )

   600 		return;

   601 

   602 	/** No Errors *************************************************************/

   603 

   604 	// Add the content of the form to $topic_data as an array

   605 	// Just in time manipulation of topic data before being edited

   606 	$topic_data = apply_filters( 'bbp_edit_topic_pre_insert', array(

   607 		'ID'           => $topic_id,

   608 		'post_title'   => $topic_title,

   609 		'post_content' => $topic_content,

   610 		'post_status'  => $topic_status,

   611 		'post_parent'  => $forum_id,

   612 		'post_author'  => $topic_author,

   613 		'post_type'    => bbp_get_topic_post_type(),

   614 		'tax_input'    => $terms,

   615 	) );

   616 

   617 	// Toggle revisions to avoid duplicates

   618 	if ( post_type_supports( bbp_get_topic_post_type(), 'revisions' ) ) {

   619 		$revisions_removed = true;

   620 		remove_post_type_support( bbp_get_topic_post_type(), 'revisions' );

   621 	}

   622 

   623 	// Insert topic

   624 	$topic_id = wp_update_post( $topic_data );

   625 

   626 	// Toggle revisions back on

   627 	if ( true === $revisions_removed ) {

   628 		$revisions_removed = true;

   629 		add_post_type_support( bbp_get_topic_post_type(), 'revisions' );

   630 	}

   631 

   632 	/** Stickies **************************************************************/

   633 

   634 	if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array( 'stick', 'super', 'unstick' ) ) ) {

   635 

   636 		// What's the dilly?

   637 		switch ( $_POST['bbp_stick_topic'] ) {

   638 

   639 			// Sticky in forum

   640 			case 'stick'   :

   641 				bbp_stick_topic( $topic_id );

   642 				break;

   643 

   644 			// Sticky in all forums

   645 			case 'super'   :

   646 				bbp_stick_topic( $topic_id, true );

   647 				break;

   648 

   649 			// Normal

   650 			case 'unstick' :

   651 			default        :

   652 				bbp_unstick_topic( $topic_id );

   653 				break;

   654 		}

   655 	}

   656 

   657 	/** Revisions *************************************************************/

   658 

   659 	// Revision Reason

   660 	if ( !empty( $_POST['bbp_topic_edit_reason'] ) )

   661 		$topic_edit_reason = esc_attr( strip_tags( $_POST['bbp_topic_edit_reason'] ) );

   662 

   663 	// Update revision log

   664 	if ( !empty( $_POST['bbp_log_topic_edit'] ) && ( 1 == $_POST['bbp_log_topic_edit'] ) )  {

   665 		$revision_id = wp_save_post_revision( $topic_id );

   666 		if ( ! empty( $revision_id ) ) {

   667 			bbp_update_topic_revision_log( array(

   668 				'topic_id'    => $topic_id,

   669 				'revision_id' => $revision_id,

   670 				'author_id'   => bbp_get_current_user_id(),

   671 				'reason'      => $topic_edit_reason

   672 			) );

   673 		}

   674 	}

   675 

   676 	/** No Errors *************************************************************/

   677 

   678 	if ( !empty( $topic_id ) && !is_wp_error( $topic_id ) ) {

   679 

   680 		// Update counts, etc...

   681 		do_action( 'bbp_edit_topic', $topic_id, $forum_id, $anonymous_data, $topic_author , true /* Is edit */ );

   682 

   683 		// If the new forum id is not equal to the old forum id, run the

   684 		// bbp_move_topic action and pass the topic's forum id as the

   685 		// first arg and topic id as the second to update counts.

   686 		if ( $forum_id != $topic->post_parent )

   687 			bbp_move_topic_handler( $topic_id, $topic->post_parent, $forum_id );

   688 

   689 		/** Additional Actions (After Save) ***********************************/

   690 

   691 		do_action( 'bbp_edit_topic_post_extras', $topic_id );

   692 

   693 		/** Redirect **********************************************************/

   694 

   695 		// Redirect to

   696 		$redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';

   697 

   698 		// View all?

   699 		$view_all = bbp_get_view_all();

   700 

   701 		// Get the topic URL

   702 		$topic_url = bbp_get_topic_permalink( $topic_id, $redirect_to );

   703 

   704 		// Add view all?

   705 		if ( !empty( $view_all ) )

   706 			$topic_url = bbp_add_view_all( $topic_url );

   707 

   708 		// Allow to be filtered

   709 		$topic_url = apply_filters( 'bbp_edit_topic_redirect_to', $topic_url, $view_all, $redirect_to );

   710 

   711 		/** Successful Edit ***************************************************/

   712 

   713 		// Redirect back to new topic

   714 		wp_safe_redirect( $topic_url );

   715 

   716 		// For good measure

   717 		exit();

   718 

   719 	/** Errors ****************************************************************/

   720 

   721 	} else {

   722 		$append_error = ( is_wp_error( $topic_id ) && $topic_id->get_error_message() ) ? $topic_id->get_error_message() . ' ' : '';

   723 		bbp_add_error( 'bbp_topic_error', __( '<strong>ERROR</strong>: The following problem(s) have been found with your topic:' . $append_error . 'Please try again.', 'bbpress' ) );

   724 	}

   725 }

   726 

   727 /**

   728  * Handle all the extra meta stuff from posting a new topic

   729  *

   730  * @param int $topic_id Optional. Topic id

   731  * @param int $forum_id Optional. Forum id

   732  * @param bool|array $anonymous_data Optional. If it is an array, it is

   733  *                    extracted and anonymous user info is saved

   734  * @param int $author_id Author id

   735  * @param bool $is_edit Optional. Is the post being edited? Defaults to false.

   736  * @uses bbp_get_topic_id() To get the topic id

   737  * @uses bbp_get_forum_id() To get the forum id

   738  * @uses bbp_get_current_user_id() To get the current user id

   739  * @yses bbp_get_topic_forum_id() To get the topic forum id

   740  * @uses update_post_meta() To update the topic metas

   741  * @uses set_transient() To update the flood check transient for the ip

   742  * @uses bbp_update_user_last_posted() To update the users last posted time

   743  * @uses bbp_is_subscriptions_active() To check if the subscriptions feature is

   744  *                                      activated or not

   745  * @uses bbp_is_user_subscribed() To check if the user is subscribed

   746  * @uses bbp_remove_user_subscription() To remove the user's subscription

   747  * @uses bbp_add_user_subscription() To add the user's subscription

   748  * @uses bbp_update_topic_forum_id() To update the topic's forum id

   749  * @uses bbp_update_topic_topic_id() To update the topic's topic id

   750  * @uses bbp_update_topic_last_reply_id() To update the last reply id topic meta

   751  * @uses bbp_update_topic_last_active_id() To update the topic last active id

   752  * @uses bbp_update_topic_last_active_time() To update the last active topic meta

   753  * @uses bbp_update_topic_reply_count() To update the topic reply count

   754  * @uses bbp_update_topic_reply_count_hidden() To udpate the topic hidden reply count

   755  * @uses bbp_update_topic_voice_count() To update the topic voice count

   756  * @uses bbp_update_topic_walker() To udpate the topic's ancestors

   757  */

   758 function bbp_update_topic( $topic_id = 0, $forum_id = 0, $anonymous_data = false, $author_id = 0, $is_edit = false ) {

   759 

   760 	// Validate the ID's passed from 'bbp_new_topic' action

   761 	$topic_id = bbp_get_topic_id( $topic_id );

   762 	$forum_id = bbp_get_forum_id( $forum_id );

   763 

   764 	// Bail if there is no topic

   765 	if ( empty( $topic_id ) )

   766 		return;

   767 

   768 	// Check author_id

   769 	if ( empty( $author_id ) )

   770 		$author_id = bbp_get_current_user_id();

   771 

   772 	// Check forum_id

   773 	if ( empty( $forum_id ) )

   774 		$forum_id = bbp_get_topic_forum_id( $topic_id );

   775 

   776 	// If anonymous post, store name, email, website and ip in post_meta.

   777 	// It expects anonymous_data to be sanitized.

   778 	// Check bbp_filter_anonymous_post_data() for sanitization.

   779 	if ( !empty( $anonymous_data ) && is_array( $anonymous_data ) ) {

   780 

   781 		// Always set at least these three values to empty

   782 		$defaults = array(

   783 			'bbp_anonymous_name'    => '',

   784 			'bbp_anonymous_email'   => '',

   785 			'bbp_anonymous_website' => '',

   786 		);

   787 		$r = bbp_parse_args( $anonymous_data, $defaults, 'update_topic' );

   788 

   789 		// Update all anonymous metas

   790 		foreach( $r as $anon_key => $anon_value ) {

   791 			update_post_meta( $topic_id, '_' . $anon_key, (string) $anon_value, false );

   792 		}

   793 

   794 		// Set transient for throttle check (only on new, not edit)

   795 		if ( empty( $is_edit ) ) {

   796 			set_transient( '_bbp_' . bbp_current_author_ip() . '_last_posted', time() );

   797 		}

   798 

   799 	} else {

   800 		if ( empty( $is_edit ) && !current_user_can( 'throttle' ) ) {

   801 			bbp_update_user_last_posted( $author_id );

   802 		}

   803 	}

   804 

   805 	// Handle Subscription Checkbox

   806 	if ( bbp_is_subscriptions_active() && !empty( $author_id ) ) {

   807 		$subscribed = bbp_is_user_subscribed( $author_id, $topic_id );

   808 		$subscheck  = ( !empty( $_POST['bbp_topic_subscription'] ) && ( 'bbp_subscribe' == $_POST['bbp_topic_subscription'] ) ) ? true : false;

   809 

   810 		// Subscribed and unsubscribing

   811 		if ( true == $subscribed && false == $subscheck ) {

   812 			bbp_remove_user_subscription( $author_id, $topic_id );

   813 

   814 		// Subscribing

   815 		} elseif ( false == $subscribed && true == $subscheck ) {

   816 			bbp_add_user_subscription( $author_id, $topic_id );

   817 		}

   818 	}

   819 

   820 	// Forum topic meta

   821 	bbp_update_topic_forum_id( $topic_id, $forum_id );

   822 	bbp_update_topic_topic_id( $topic_id, $topic_id );

   823 

   824 	// Update associated topic values if this is a new topic

   825 	if ( empty( $is_edit ) ) {

   826 

   827 		// Update poster IP if not editing

   828 		update_post_meta( $topic_id, '_bbp_author_ip', bbp_current_author_ip(), false );

   829 

   830 		// Last active time

   831 		$last_active = current_time( 'mysql' );

   832 

   833 		// Reply topic meta

   834 		bbp_update_topic_last_reply_id      ( $topic_id, 0            );

   835 		bbp_update_topic_last_active_id     ( $topic_id, $topic_id    );

   836 		bbp_update_topic_last_active_time   ( $topic_id, $last_active );

   837 		bbp_update_topic_reply_count        ( $topic_id, 0            );

   838 		bbp_update_topic_reply_count_hidden ( $topic_id, 0            );

   839 		bbp_update_topic_voice_count        ( $topic_id               );

   840 

   841 		// Walk up ancestors and do the dirty work

   842 		bbp_update_topic_walker( $topic_id, $last_active, $forum_id, 0, false );

   843 	}

   844 }

   845 

   846 /**

   847  * Walks up the post_parent tree from the current topic_id, and updates the

   848  * counts of forums above it. This calls a few internal functions that all run

   849  * manual queries against the database to get their results. As such, this

   850  * function can be costly to run but is necessary to keep everything accurate.

   851  *

   852  * @since bbPress (r2800)

   853  * @param int $topic_id Topic id

   854  * @param string $last_active_time Optional. Last active time

   855  * @param int $forum_id Optional. Forum id

   856  * @param int $reply_id Optional. Reply id

   857  * @param bool $refresh Reset all the previous parameters? Defaults to true.

   858  * @uses bbp_get_topic_id() To get the topic id

   859  * @uses bbp_get_topic_forum_id() To get the topic forum id

   860  * @uses get_post_ancestors() To get the topic's ancestors

   861  * @uses bbp_is_forum() To check if the ancestor is a forum

   862  * @uses bbp_update_forum() To update the forum

   863  */

   864 function bbp_update_topic_walker( $topic_id, $last_active_time = '', $forum_id = 0, $reply_id = 0, $refresh = true ) {

   865 

   866 	// Validate topic_id

   867 	$topic_id  = bbp_get_topic_id( $topic_id );

   868 

   869 	// Define local variable(s)

   870 	$active_id = 0;

   871 

   872 	// Topic was passed

   873 	if ( !empty( $topic_id ) ) {

   874 

   875 		// Get the forum ID if none was passed

   876 		if ( empty( $forum_id )  ) {

   877 			$forum_id = bbp_get_topic_forum_id( $topic_id );

   878 		}

   879 

   880 		// Set the active_id based on topic_id/reply_id

   881 		$active_id = empty( $reply_id ) ? $topic_id : $reply_id;

   882 	}

   883 

   884 	// Get topic ancestors

   885 	$ancestors = array_values( array_unique( array_merge( array( $forum_id ), (array) get_post_ancestors( $topic_id ) ) ) );

   886 

   887 	// Topic status

   888 	$topic_status = get_post_status( $topic_id );

   889 

   890 	// If we want a full refresh, unset any of the possibly passed variables

   891 	if ( true == $refresh ) {

   892 		$forum_id = $topic_id = $reply_id = $active_id = $last_active_time = 0;

   893 		$topic_status = bbp_get_public_status_id();

   894 	}

   895 

   896 	// Loop through ancestors

   897 	if ( !empty( $ancestors ) ) {

   898 		foreach ( $ancestors as $ancestor ) {

   899 

   900 			// If ancestor is a forum, update counts

   901 			if ( bbp_is_forum( $ancestor ) ) {

   902 

   903 				// Update the forum

   904 				bbp_update_forum( array(

   905 					'forum_id'           => $ancestor,

   906 					'last_topic_id'      => $topic_id,

   907 					'last_reply_id'      => $reply_id,

   908 					'last_active_id'     => $active_id,

   909 					'last_active_time'   => 0,

   910 					'last_active_status' => $topic_status

   911 				) );

   912 			}

   913 		}

   914 	}

   915 }

   916 

   917 /**

   918  * Handle the moving of a topic from one forum to another. This includes walking

   919  * up the old and new branches and updating the counts.

   920  *

   921  * @param int $topic_id Topic id

   922  * @param int $old_forum_id Old forum id

   923  * @param int $new_forum_id New forum id

   924  * @uses bbp_get_topic_id() To get the topic id

   925  * @uses bbp_get_forum_id() To get the forum id

   926  * @uses bbp_get_stickies() To get the old forums sticky topics

   927  * @uses delete_post_meta() To delete the forum sticky meta

   928  * @uses update_post_meta() To update the old forum sticky meta

   929  * @uses bbp_stick_topic() To stick the topic in the new forum

   930  * @uses bbp_get_reply_post_type() To get the reply post type

   931  * @uses bbp_get_all_child_ids() To get the public child ids

   932  * @uses bbp_update_reply_forum_id() To update the reply forum id

   933  * @uses bbp_update_topic_forum_id() To update the topic forum id

   934  * @uses get_post_ancestors() To get the topic's ancestors

   935  * @uses bbp_is_forum() To check if the ancestor is a forum

   936  * @uses bbp_update_forum() To update the forum

   937  */

   938 function bbp_move_topic_handler( $topic_id, $old_forum_id, $new_forum_id ) {

   939 

   940 	// Validate parameters

   941 	$topic_id     = bbp_get_topic_id( $topic_id     );

   942 	$old_forum_id = bbp_get_forum_id( $old_forum_id );

   943 	$new_forum_id = bbp_get_forum_id( $new_forum_id );

   944 

   945 	/** Stickies **************************************************************/

   946 

   947 	// Get forum stickies

   948 	$old_stickies = bbp_get_stickies( $old_forum_id );

   949 

   950 	// Only proceed if stickies are found

   951 	if ( !empty( $old_stickies ) ) {

   952 

   953 		// Define local variables

   954 		$updated_stickies = array();

   955 

   956 		// Loop through stickies of forum

   957 		foreach ( $old_stickies as $sticky_topic_id ) {

   958 

   959 			// Add non-matches to the updated array

   960 			if ( $topic_id != $sticky_topic_id ) {

   961 				$updated_stickies[] = $sticky_topic_id;

   962 			}

   963 		}

   964 

   965 		// No more stickies so delete the beta

   966 		if ( empty( $updated_stickies ) ) {

   967 			delete_post_meta ( $old_forum_id, '_bbp_sticky_topics' );

   968 

   969 		// Still stickies so update the meta

   970 		} else {

   971 			update_post_meta( $old_forum_id, '_bbp_sticky_topics', $updated_stickies );

   972 		}

   973 

   974 		// Topic was sticky, so restick in new forum

   975 		bbp_stick_topic( $topic_id );

   976 	}

   977 	

   978 	/** Topic Replies *********************************************************/

   979 

   980 	// Get the topics replies

   981 	$replies = bbp_get_all_child_ids( $topic_id, bbp_get_reply_post_type() );

   982 

   983 	// Update the forum_id of all replies in the topic

   984 	foreach ( $replies as $reply_id )

   985 		bbp_update_reply_forum_id( $reply_id, $new_forum_id );

   986 

   987 	// Forum topic meta

   988 	bbp_update_topic_forum_id( $topic_id, $new_forum_id );

   989 

   990 	/** Old forum_id **********************************************************/

   991 

   992 	// Get topic ancestors

   993 	$ancestors = array_values( array_unique( array_merge( array( $old_forum_id ), (array) get_post_ancestors( $old_forum_id ) ) ) );

   994 

   995 	// Loop through ancestors

   996 	if ( !empty( $ancestors ) ) {

   997 		foreach ( $ancestors as $ancestor ) {

   998 

   999 			// If ancestor is a forum, update counts

  1000 			if ( bbp_is_forum( $ancestor ) ) {

  1001 

  1002 				// Update the forum

  1003 				bbp_update_forum( array(

  1004 					'forum_id' => $ancestor,

  1005 				) );

  1006 			}

  1007 		}

  1008 	}

  1009 

  1010 	/** New forum_id **********************************************************/

  1011 

  1012 	// Make sure we're not walking twice

  1013 	if ( !in_array( $new_forum_id, $ancestors ) ) {

  1014 

  1015 		// Get topic ancestors

  1016 		$ancestors = array_values( array_unique( array_merge( array( $new_forum_id ), (array) get_post_ancestors( $new_forum_id ) ) ) );

  1017 

  1018 		// Loop through ancestors

  1019 		if ( !empty( $ancestors ) ) {

  1020 			foreach ( $ancestors as $ancestor ) {

  1021 

  1022 				// If ancestor is a forum, update counts

  1023 				if ( bbp_is_forum( $ancestor ) ) {

  1024 

  1025 					// Update the forum

  1026 					bbp_update_forum( array(

  1027 						'forum_id' => $ancestor,

  1028 					) );

  1029 				}

  1030 			}

  1031 		}

  1032 	}

  1033 }

  1034 

  1035 /**

  1036  * Merge topic handler

  1037  *

  1038  * Handles the front end merge topic submission

  1039  *

  1040  * @since bbPress (r2756)

  1041  *

  1042  * @uses bbPress:errors::add() To log various error messages

  1043  * @uses bbp_get_topic() To get the topics

  1044  * @uses bbp_verify_nonce_request() To verify the nonce and check the request

  1045  * @uses current_user_can() To check if the current user can edit the topics

  1046  * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}

  1047  * @uses do_action() Calls 'bbp_merge_topic' with the destination and source

  1048  *                    topic ids

  1049  * @uses bbp_get_topic_subscribers() To get the source topic subscribers

  1050  * @uses bbp_add_user_subscription() To add the user subscription

  1051  * @uses bbp_remove_user_subscription() To remove the user subscription

  1052  * @uses bbp_get_topic_favoriters() To get the source topic favoriters

  1053  * @uses bbp_add_user_favorite() To add the user favorite

  1054  * @uses bbp_remove_user_favorite() To remove the user favorite

  1055  * @uses wp_get_post_terms() To get the source topic tags

  1056  * @uses wp_set_post_terms() To set the topic tags

  1057  * @uses wp_delete_object_term_relationships() To delete the topic tags

  1058  * @uses bbp_open_topic() To open the topic

  1059  * @uses bbp_unstick_topic() To unstick the topic

  1060  * @uses bbp_get_reply_post_type() To get the reply post type

  1061  * @uses get_posts() To get the replies

  1062  * @uses wp_update_post() To update the topic

  1063  * @uses bbp_update_reply_topic_id() To update the reply topic id

  1064  * @uses bbp_get_topic_forum_id() To get the topic forum id

  1065  * @uses bbp_update_reply_forum_id() To update the reply forum id

  1066  * @uses do_action() Calls 'bbp_merged_topic_reply' with the reply id and

  1067  *                    destination topic id

  1068  * @uses do_action() Calls 'bbp_merged_topic' with the destination and source

  1069  *                    topic ids and source topic's forum id

  1070  * @uses bbp_get_topic_permalink() To get the topic permalink

  1071  * @uses wp_safe_redirect() To redirect to the topic link

  1072  */

  1073 function bbp_merge_topic_handler() {

  1074 

  1075 	// Bail if not a POST action

  1076 	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )

  1077 		return;

  1078 

  1079 	// Bail if action is not bbp-merge-topic

  1080 	if ( empty( $_POST['action'] ) || ( 'bbp-merge-topic' !== $_POST['action'] ) )

  1081 		return;

  1082 

  1083 	// Define local variable(s)

  1084 	$source_topic_id = $destination_topic_id = 0;

  1085 	$source_topic = $destination_topic = 0;

  1086 	$subscribers = $favoriters = $replies = array();

  1087 

  1088 	/** Source Topic **********************************************************/

  1089 

  1090 	// Topic id

  1091 	if ( empty( $_POST['bbp_topic_id'] ) )

  1092 		bbp_add_error( 'bbp_merge_topic_source_id', __( '<strong>ERROR</strong>: Topic ID not found.', 'bbpress' ) );

  1093 	else

  1094 		$source_topic_id = (int) $_POST['bbp_topic_id'];

  1095 

  1096 	// Nonce check

  1097 	if ( ! bbp_verify_nonce_request( 'bbp-merge-topic_' . $source_topic_id ) ) {

  1098 		bbp_add_error( 'bbp_merge_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );

  1099 		return;

  1100 

  1101 	// Source topic not found

  1102 	} elseif ( !$source_topic = bbp_get_topic( $source_topic_id ) ) {

  1103 		bbp_add_error( 'bbp_merge_topic_source_not_found', __( '<strong>ERROR</strong>: The topic you want to merge was not found.', 'bbpress' ) );

  1104 		return;

  1105 	}

  1106 

  1107 	// Cannot edit source topic

  1108 	if ( !current_user_can( 'edit_topic', $source_topic->ID ) ) {

  1109 		bbp_add_error( 'bbp_merge_topic_source_permission', __( '<strong>ERROR</strong>: You do not have the permissions to edit the source topic.', 'bbpress' ) );

  1110 		return;

  1111 	}

  1112 

  1113 	/** Destination Topic *****************************************************/

  1114 

  1115 	// Topic id

  1116 	if ( empty( $_POST['bbp_destination_topic'] ) )

  1117 		bbp_add_error( 'bbp_merge_topic_destination_id', __( '<strong>ERROR</strong>: Destination topic ID not found.', 'bbpress' ) );

  1118 	else

  1119 		$destination_topic_id = (int) $_POST['bbp_destination_topic'];

  1120 

  1121 	// Destination topic not found

  1122 	if ( !$destination_topic = bbp_get_topic( $destination_topic_id ) )

  1123 		bbp_add_error( 'bbp_merge_topic_destination_not_found', __( '<strong>ERROR</strong>: The topic you want to merge to was not found.', 'bbpress' ) );

  1124 

  1125 	// Cannot edit destination topic

  1126 	if ( !current_user_can( 'edit_topic', $destination_topic->ID ) )

  1127 		bbp_add_error( 'bbp_merge_topic_destination_permission', __( '<strong>ERROR</strong>: You do not have the permissions to edit the destination topic.', 'bbpress' ) );

  1128 

  1129 	// Bail if errors

  1130 	if ( bbp_has_errors() )

  1131 		return;

  1132 

  1133 	/** No Errors *************************************************************/

  1134 

  1135 	// Update counts, etc...

  1136 	do_action( 'bbp_merge_topic', $destination_topic->ID, $source_topic->ID );