<?php

/**

 * Implementation of Invision Power Board converter.

 */

class Invision extends BBP_Converter_Base

{

	function __construct()

	{

		parent::__construct();

		$this->setup_globals();

	}

	public function setup_globals()

	{

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

		// Forum id. Stored in postmeta.

		$this->field_map[] = array(

			'from_tablename' => 'forums', 'from_fieldname' => 'id',

			'to_type' => 'forum', 'to_fieldname' => '_bbp_forum_id'

		);

		// Forum parent id.  If no parent, than 0. Stored in postmeta.

		$this->field_map[] = array(

			'from_tablename' => 'forums', 'from_fieldname' => 'parent_id',

			'to_type' => 'forum', 'to_fieldname' => '_bbp_parent_id'

		);

		// Forum title.

		$this->field_map[] = array(

			'from_tablename' => 'forums', 'from_fieldname' => 'name',

			'to_type' => 'forum', 'to_fieldname' => 'post_title'

		);

		// Forum slug. Clean name.

		$this->field_map[] = array(

			'from_tablename' => 'forums', 'from_fieldname' => 'name',

			'to_type' => 'forum', 'to_fieldname' => 'post_name',

			'callback_method' => 'callback_slug'

		);

		// Forum description.

		$this->field_map[] = array(

			'from_tablename' => 'forums', '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' => 'forums', 'from_fieldname' => 'position',

			'to_type' => 'forum', 'to_fieldname' => 'menu_order'

		);

		// Forum date update.

		$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' => 'topics', 'from_fieldname' => 'tid',

			'to_type' => 'topic', 'to_fieldname' => '_bbp_topic_id'

		);

		// Forum id. Stored in postmeta.

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'forum_id',

			'to_type' => 'topic', 'to_fieldname' => '_bbp_forum_id',

			'callback_method' => 'callback_forumid'

		);

		// Topic author.

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'starter_id',

			'to_type' => 'topic', 'to_fieldname' => 'post_author',

			'callback_method' => 'callback_userid'

		);

		// Topic content.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'post',

			'join_tablename' => 'topics', 'join_type' => 'INNER', 'join_expression' => 'ON(topics.tid = posts.topic_id) WHERE posts.new_topic = 1',

			'to_type' => 'topic', 'to_fieldname' => 'post_content',

			'callback_method' => 'callback_html'

		);	

		// Topic title.

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'title',

			'to_type' => 'topic', 'to_fieldname' => 'post_title'

		);

		// Topic slug. Clean name.

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'title',

			'to_type' => 'topic', 'to_fieldname' => 'post_name',

			'callback_method' => 'callback_slug'

		);

		// Forum id.  If no parent, than 0.

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'forum_id',

			'to_type' => 'topic', 'to_fieldname' => 'post_parent',

			'callback_method' => 'callback_forumid'

		);

		// Topic date update.

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'start_date',

			'to_type' => 'topic', 'to_fieldname' => 'post_date',

			'callback_method' => 'callback_datetime'

		);

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'start_date',

			'to_type' => 'topic', 'to_fieldname' => 'post_date_gmt',

			'callback_method' => 'callback_datetime'

		);

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'last_post',

			'to_type' => 'topic', 'to_fieldname' => 'post_modified',

			'callback_method' => 'callback_datetime'

		);

		$this->field_map[] = array(

			'from_tablename' => 'topics', 'from_fieldname' => 'last_post',

			'to_type' => 'topic', 'to_fieldname' => 'post_modified_gmt',

			'callback_method' => 'callback_datetime'

		);

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

		// Topic id.

		$this->field_map[] = array(

			'from_tablename' => 'core_tags', 'from_fieldname' => 'tag_meta_id',

			'to_type' => 'tags', 'to_fieldname' => 'objectid',

			'callback_method' => 'callback_topicid'

		);

		// Tags text.

		$this->field_map[] = array(

			'from_tablename' => 'core_tags', 'from_fieldname' => 'tag_text',

			'to_type' => 'tags', 'to_fieldname' => 'name'

		);	

		/** Post Section ******************************************************/

		// Post id. Stores in postmeta.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'pid', 'from_expression' => 'WHERE posts.new_topic = 0',

			'to_type' => 'reply', 'to_fieldname' => '_bbp_post_id'

		);

		// Forum id. Stores in postmeta.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'topic_id',

			'to_type' => 'reply', 'to_fieldname' => '_bbp_forum_id',

			'callback_method' => 'callback_topicid_to_forumid'

		);

		// Topic id. Stores in postmeta.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'topic_id',

			'to_type' => 'reply', 'to_fieldname' => '_bbp_topic_id',

			'callback_method' => 'callback_topicid'

		);

		// Author ip.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'ip_address',

			'to_type' => 'reply', 'to_fieldname' => '__bbp_author_ip'

		);	

		// Post author.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'author_id',

			'to_type' => 'reply', 'to_fieldname' => 'post_author',

			'callback_method' => 'callback_userid'

		);

		// Topic title.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'post_title',

			'to_type' => 'reply', 'to_fieldname' => 'post_title'

		);

		// Topic slug. Clean name.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'post_title',

			'to_type' => 'reply', 'to_fieldname' => 'post_name',

			'callback_method' => 'callback_slug'

		);

		// Post content.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'post',

			'to_type' => 'reply', 'to_fieldname' => 'post_content',

			'callback_method' => 'callback_html'

		);

		// Topic id.  If no parent, than 0.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'topic_id',

			'to_type' => 'reply', 'to_fieldname' => 'post_parent',

			'callback_method' => 'callback_topicid'

		);

		// Topic date update.

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'post_date',

			'to_type' => 'reply', 'to_fieldname' => 'post_date',

			'callback_method' => 'callback_datetime'

		);

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'post_date',

			'to_type' => 'reply', 'to_fieldname' => 'post_date_gmt',

			'callback_method' => 'callback_datetime'

		);

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'edit_time',

			'to_type' => 'reply', 'to_fieldname' => 'post_modified',

			'callback_method' => 'callback_datetime'

		);

		$this->field_map[] = array(

			'from_tablename' => 'posts', 'from_fieldname' => 'edit_time',

			'to_type' => 'reply', 'to_fieldname' => 'post_modified_gmt',

			'callback_method' => 'callback_datetime'

		);

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

		// Store old User id. Stores in usermeta.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'member_id',

			'to_type' => 'user', 'to_fieldname' => '_bbp_user_id'

		);

		// Store old User password. Stores in usermeta serialized with salt.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'members_pass_hash',

			'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' => 'members', 'from_fieldname' => 'members_pass_salt',

			'to_type' => 'user', 'to_fieldname' => ''

		);

		// User password verify class. Stores in usermeta for verifying password.

		$this->field_map[] = array(

			'to_type' => 'user', 'to_fieldname' => '_bbp_class',

			'default' => 'Invision'

		);

		// User name.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'name',

			'to_type' => 'user', 'to_fieldname' => 'user_login'

		);

		// User email.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'email',

			'to_type' => 'user', 'to_fieldname' => 'user_email'

		);

		// User registered.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'joined',

			'to_type' => 'user', 'to_fieldname' => 'user_registered',

			'callback_method' => 'callback_datetime'

		);

/*	

 * Table pfields_content AND pfields_data	

		// User homepage.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'homepage',

			'to_type' => 'user', 'to_fieldname' => 'user_url'

		);		

		// User aim.

		$this->field_map[] = array(

			'from_tablename' => 'members', 'from_fieldname' => 'aim',

			'to_type' => 'user', 'to_fieldname' => 'aim'

		);

		// User yahoo.

		$this->field_map[] = array(

			'from_tablename' => 'members', '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['members_pass_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( $pass_array['salt'] ) . md5( $this->to_char( $password ) ) ) );

	}

	public function to_char( $input )

	{

		$output = "";

		for( $i = 0; $i < strlen( $input ); $i++ )

		{

			$j = ord( $input{$i} );

			if( ( $j >= 65 && $j <= 90 )

				|| ( $j >= 97 && $j <= 122 )

				|| ( $j >= 48 && $j <= 57 ) )

			{

				$output .= $input{$i};

			}

			else

			{

				$output .= "&#" . ord( $input{$i} ) . ";";

			}

		}

		return $output;

	}

}