Example.php

<?php

/**
 * Example converter see http://codex.bbpress.org/import-forums/custom-import/
 *
 * @since bbPress (r4689)
 */
class Example_Converter extends BBP_Converter_Base {

  /**
	 * Main Constructor
	 *
	 * @uses Example_Converter::setup_globals()
	 */
	function __construct() {
		parent::__construct();
		$this->setup_globals();
	}

	/**
	 * Sets up the field mappings
	 */

	public function setup_globals()
	{
		/** Forum Section ******************************************************/

		// Forum id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forum',
			'from_fieldname'  => 'forumid',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_forum_id'
		);

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

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

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

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

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

		// 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')
		);

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

		// Topic id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_topic_id'
		);

		// Forum id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'forumid',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_forum_id',
			'callback_method' => 'callback_forumid'
		);

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

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

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

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

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

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

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

		// Tags text.
		$this->field_map[] = array(
			'from_tablename'  => 'tag',
			'from_fieldname'  => 'tagtext',
			'join_tablename'  => 'tagcontent',
			'join_type'       => 'INNER',
			'join_expression' => 'USING (tagid)',
			'to_type'         => 'tags',
			'to_fieldname'    => 'name'
		);

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

		// Reply post id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'postid',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_post_id'
		);

		// Forum id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_forum_id',
			'callback_method' => 'callback_topicid_to_forumid'
		);

		// Topic id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_topic_id',
			'callback_method' => 'callback_topicid'
		);

		// Author ip (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'ipaddress',
			'to_type'         => 'reply',
			'to_fieldname'    => '__bbp_author_ip'
		);
	
		// Reply author.
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'userid',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_author',
			'callback_method' => 'callback_userid'
		);

		// Topic title  (for reply title)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'title',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_title'
		);

		// Reply slug (Clean name to avoid conflicts)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'title',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_name',
			'callback_method' => 'callback_slug'
		);

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

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

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

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

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

		// Store old User password (Stored in usermeta serialized with salt)
		$this->field_map[] = array(
			'from_tablename'  => 'user',
			'from_fieldname'  => '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'  => 'user',
			'from_fieldname'  => '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'  => 'user',
			'from_fieldname'  => 'username',
			'to_type'         => 'user',
			'to_fieldname'    => 'user_login'
		);

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

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

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

		// User AIM (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'user',
			'from_fieldname'  => 'aim',
			'to_type'         => 'user',
			'to_fieldname'    => 'aim'
		);

		// User Yahoo (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'user',
			'from_fieldname'  => 'yahoo',
			'to_type'         => 'user',
			'to_fieldname'    => 'yim'
		);
	}

	/**
	 * 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'] ) );
	}
}