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✏️ Editing: Example.php

<?php

/**
 * bbPress Example Converter
 *
 * @package bbPress
 * @subpackage Converters
 */

/**
 * Example converter base impoprter template for bbPress
 *
 * @since 2.3.0 bbPress (r4689)
 *
 * @link Codex Docs https://codex.bbpress.org/import-forums/custom-import
 */
class Example extends BBP_Converter_Base {

/**
	 * Main Constructor
	 */
	public function __construct() {
		parent::__construct();
	}

/**
	 * Sets up the field mappings
	 */
	public function setup_globals() {

/** Forum Section *****************************************************/

// Setup table joins for the forum section at the base of this section

// Old forum id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_id',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_old_forum_id'
		);

// Forum parent id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_parent_id',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_old_forum_parent_id'
		);

// Forum topic count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forums_table',
			'from_fieldname' => 'the_topic_count',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_topic_count'
		);

// Forum reply count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forums_table',
			'from_fieldname' => 'the_reply_count',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_reply_count'
		);

// Forum total topic count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forums_table',
			'from_fieldname' => 'the_total_topic_count',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_total_topic_count'
		);

// Forum total reply count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forums_table',
			'from_fieldname' => 'the_total_reply_count',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_total_reply_count'
		);

// Forum title.
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_title',
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_title'
		);

// Forum slug (Clean name to avoid confilcts)
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_slug',
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_name',
			'callback_method' => 'callback_slug'
		);

// Forum description.
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_description',
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_content',
			'callback_method' => 'callback_null'
		);

// Forum display order (Starts from 1)
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_order',
			'to_type'         => 'forum',
			'to_fieldname'    => 'menu_order'
		);

// Forum type (Category = 0 or Forum = 1, Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_type',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_forum_type',
			'callback_method' => 'callback_forum_type'
		);

// Forum status (Unlocked = 0 or Locked = 1, Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forums_table',
			'from_fieldname'  => 'the_forum_status',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_status',
			'callback_method' => 'callback_forum_status'
		);

// Forum dates.
		$this->field_map[] = array(
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_date',
			'default' => date('Y-m-d H:i:s')
		);
		$this->field_map[] = array(
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_date_gmt',
			'default' => date('Y-m-d H:i:s')
		);
		$this->field_map[] = array(
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_modified',
			'default' => date('Y-m-d H:i:s')
		);
		$this->field_map[] = array(
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_modified_gmt',
			'default' => date('Y-m-d H:i:s')
		);

// Setup the table joins for the forum section
		$this->field_map[] = array(
			'from_tablename'  => 'groups_table',
			'from_fieldname'  => 'forum_id',
			'join_tablename'  => 'forums_table',
			'join_type'       => 'INNER',
			'join_expression' => 'USING groups_table.forum_id = forums_table.forum_id',
		//	'from_expression' => 'WHERE forums_table.forum_id != 1',
			'to_type'         => 'forum'
		);

/** Forum Subscriptions Section ***************************************/

// Subscribed forum ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forum_subscriptions_table',
			'from_fieldname'  => 'the_forum_id',
			'to_type'         => 'forum_subscriptions',
			'to_fieldname'    => '_bbp_forum_subscriptions'
		);

// Subscribed user ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forum_subscriptions_table',
			'from_fieldname'  => 'the_user_id',
			'to_type'         => 'forum_subscriptions',
			'to_fieldname'    => 'user_id',
			'callback_method' => 'callback_userid'
		);

/** Topic Section *****************************************************/

// Setup table joins for the topic section at the base of this section

// Old topic id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_id',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_topic_id'
		);

// Topic reply count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_reply_count',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_reply_count',
			'callback_method' => 'callback_topic_reply_count'
		);

// Topic total reply count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_total_topic_reply_count',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_total_reply_count',
			'callback_method' => 'callback_topic_reply_count'
		);

// Topic parent forum id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_parent_forum_id',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_forum_id',
			'callback_method' => 'callback_forumid'
		);

// Topic author.
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_author_id',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_author',
			'callback_method' => 'callback_userid'
		);

// Topic author ip (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_author_ip_address',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_author_ip'
		);

// Topic content.
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_content',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_content',
			'callback_method' => 'callback_html'
		);

// Topic title.
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_title',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_title'
		);

// Topic slug (Clean name to avoid conflicts)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_slug',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_name',
			'callback_method' => 'callback_slug'
		);

// Topic status (Open or Closed)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_status',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_closed_status_id',
			'callback_method' => 'callback_topic_status'
		);

// Topic parent forum id (If no parent, then 0)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_parent_forum_id',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_parent',
			'callback_method' => 'callback_forumid'
		);

// Sticky status (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_sticky_status',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_sticky_status_id',
			'callback_method' => 'callback_sticky_status'
		);

// Topic dates.
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_creation_date',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_date',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_creation_date',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_date_gmt',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_modified_date',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_modified',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_modified_date',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_modified_gmt',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_modified_date',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_last_active_time',
			'callback_method' => 'callback_datetime'
		);

// Setup any table joins needed for the topic section
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_topic_id',
			'join_tablename'  => 'topics_table',
			'join_type'       => 'INNER',
			'join_expression' => 'USING replies_table.the_topic_id = topics_table.the_topic_id',
			'from_expression' => 'WHERE forums_table.the_topic_id = 0',
			'to_type'         => 'topic'
		);

/** Tags Section ******************************************************/

// Setup table joins for the tag section at the base of this section
		// Setup any table joins needed for the tags section
		$this->field_map[] = array(
			'from_tablename'  => 'tag_table',
			'from_fieldname'  => 'the_topic_id',
			'join_tablename'  => 'tagcontent_table',
			'join_type'       => 'INNER',
			'join_expression' => 'USING tagcontent_table.tag_id = tags_table.tag_id',
			'from_expression' => 'WHERE tagcontent_table.tag_id = tag_table.tag_id',
			'to_type'         => 'tags'
		);

// Topic id.
		$this->field_map[] = array(
			'from_tablename'  => 'tagcontent_table',
			'from_fieldname'  => 'contentid',
			'to_type'         => 'tags',
			'to_fieldname'    => 'objectid',
			'callback_method' => 'callback_topicid'
		);

// Taxonomy ID.
		$this->field_map[] = array(
			'from_tablename'  => 'tagcontent_table',
			'from_fieldname'  => 'tagid',
			'to_type'         => 'tags',
			'to_fieldname'    => 'taxonomy'
		);

// Term text.
		$this->field_map[] = array(
			'from_tablename'  => 'tag_table',
			'from_fieldname'  => 'tagtext',
			'to_type'         => 'tags',
			'to_fieldname'    => 'name'
		);

// Term slug.
		$this->field_map[] = array(
			'from_tablename'  => 'tag_table',
			'from_fieldname'  => 'tagslug',
			'to_type'         => 'tags',
			'to_fieldname'    => 'slug',
			'callback_method' => 'callback_slug'
		);

// Term description.
		$this->field_map[] = array(
			'from_tablename'  => 'tag_table',
			'from_fieldname'  => 'tagdescription',
			'to_type'         => 'tags',
			'to_fieldname'    => 'description'
		);

/** Topic Subscriptions Section ***************************************/

// Subscribed topic ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topic_subscriptions_table',
			'from_fieldname'  => 'the_topic_id',
			'to_type'         => 'topic_subscriptions',
			'to_fieldname'    => '_bbp_subscriptions'
		);

// Subscribed user ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'topic_subscriptions_table',
			'from_fieldname'  => 'the_user_id',
			'to_type'         => 'topic_subscriptions',
			'to_fieldname'    => 'user_id',
			'callback_method' => 'callback_userid'
		);

/** Favorites Section *************************************************/

// Favorited topic ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'favorites_table',
			'from_fieldname'  => 'the_favorite_topic_id',
			'to_type'         => 'favorites',
			'to_fieldname'    => '_bbp_favorites'
		);

// Favorited user ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'favorites_table',
			'from_fieldname'  => 'the_user_id',
			'to_type'         => 'favorites',
			'to_fieldname'    => 'user_id',
			'callback_method' => 'callback_userid'
		);

/** Reply Section *****************************************************/

// Setup table joins for the reply section at the base of this section

// Old reply id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_id',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_old_reply_id'
		);

// Reply parent forum id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_parent_forum_id',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_forum_id',
			'callback_method' => 'callback_forumid'
		);

// Reply parent topic id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_parent_topic_id',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_topic_id',
			'callback_method' => 'callback_topicid'
		);

// Reply author ip (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_author_ip_address',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_author_ip'
		);

// Reply author.
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_author_id',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_author',
			'callback_method' => 'callback_userid'
		);

// Reply title and reply slugs
		// Note: We don't actually want either a reply title or a reply slug as
		//       we want single replies to use their ID as the permalink.

// Reply content.
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_content',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_content',
			'callback_method' => 'callback_html'
		);

// Reply order.
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_order',
			'to_type'         => 'reply',
			'to_fieldname'    => 'menu_order'
		);

// Reply parent topic id (If no parent, then 0)
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_parent_topic_id',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_parent',
			'callback_method' => 'callback_topicid'
		);

// Reply dates.
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_creation_date',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_date',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_creation_date',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_date_gmt',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_modified_date',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_modified',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'replies_table',
			'from_fieldname'  => 'the_reply_modified_date',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_modified_gmt',
			'callback_method' => 'callback_datetime'
		);

// Setup any table joins needed for the reply section
		$this->field_map[] = array(
			'from_tablename'  => 'topics_table',
			'from_fieldname'  => 'the_topic_id',
			'join_tablename'  => 'replies_table',
			'join_type'       => 'INNER',
			'join_expression' => 'USING topics_table.the_topic_id = replies_table.the_topic_id',
			'from_expression' => 'WHERE topics_table.first_post != 0',
			'to_type'         => 'reply'
		);

/** User Section ******************************************************/

// Setup table joins for the user section at the base of this section

// Store old user id (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_id',
			'to_type'         => 'user',
			'to_fieldname'    => '_bbp_old_user_id'
		);

// Store old user password (Stored in usermeta serialized with salt)
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_password',
			'to_type'         => 'user',
			'to_fieldname'    => '_bbp_password',
			'callback_method' => 'callback_savepass'
		);

// Store old user salt (This is only used for the SELECT row info for the above password save)
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_password_salt',
			'to_type'         => 'user',
			'to_fieldname'    => ''
		);

// User password verify class (Stored in usermeta for verifying password)
		$this->field_map[] = array(
			'to_type'         => 'user',
			'to_fieldname'    => '_bbp_class',
			'default' => 'Example'
		);

// User name.
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_username',
			'to_type'         => 'user',
			'to_fieldname'    => 'user_login'
		);

// User nice name.
		$this->field_map[] = array(
			'from_tablename' => 'users_table',
			'from_fieldname' => 'the_users_nicename',
			'to_type'        => 'user',
			'to_fieldname'   => 'user_nicename'
		);

// User email.
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_email_address',
			'to_type'         => 'user',
			'to_fieldname'    => 'user_email'
		);

// User homepage.
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_homepage_url',
			'to_type'         => 'user',
			'to_fieldname'    => 'user_url'
		);

// User registered.
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_registration_date',
			'to_type'         => 'user',
			'to_fieldname'    => 'user_registered',
			'callback_method' => 'callback_datetime'
		);

// User status.
		$this->field_map[] = array(
			'from_tablename' => 'users_table',
			'from_fieldname' => 'the_users_status',
			'to_type'        => 'user',
			'to_fieldname'   => 'user_status'
		);

// User display name.
		$this->field_map[] = array(
			'from_tablename' => 'users_table',
			'from_fieldname' => 'the_users_display_name',
			'to_type'        => 'user',
			'to_fieldname'   => 'display_name'
		);

// User Profile Field 1 (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_custom_profile_field_1',
			'to_type'         => 'user',
			'to_fieldname'    => '_bbp_example_profile_field_1'
		);

// User Profile Field 2 (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'users_table',
			'from_fieldname'  => 'the_users_custom_profile_field_2',
			'to_type'         => 'user',
			'to_fieldname'    => '_bbp_example_profile_field_2'
		);

// User Profile Field 3 (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'users_table',
			'from_fieldname' => 'the_users_custom_profile_field_3',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_example_profile_field_3'
		);

// Setup any table joins needed for the user section
		$this->field_map[] = array(
			'from_tablename'  => 'users_profile_table',
			'from_fieldname'  => 'the_users_id',
			'join_tablename'  => 'users_table',
			'join_type'       => 'INNER',
			'join_expression' => 'USING users_profile_table.the_user_id = users_table.the_user_id',
			'from_expression' => 'WHERE users_table.the_user_id != -1',
			'to_type'         => 'user'
		);
	}

/**
	 * This method allows us to indicates what is or is not converted for each
	 * converter.
	 */
	public function info() {
		return '';
	}

/**
	 * This method is to save the salt and password together.  That
	 * way when we authenticate it we can get it out of the database
	 * as one value. Array values are auto sanitized by WordPress.
	 */
	public function callback_savepass( $field, $row ) {
		$pass_array = array( 'hash' => $field, 'salt' => $row['salt'] );
		return $pass_array;
	}

/**
	 * This method is to take the pass out of the database and compare
	 * to a pass the user has typed in.
	 */
	public function authenticate_pass( $password, $serialized_pass ) {
		$pass_array = unserialize( $serialized_pass );
		return ( $pass_array['hash'] == md5( md5( $password ). $pass_array['salt'] ) );
	}
}

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