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Completely New LiveJournal Importer update, props beaulebens, see #8999 

git-svn-id: https://develop.svn.wordpress.org/trunk@10538 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Ozz 2009-02-10 19:34:52 +00:00
parent db63b501d4
commit 072d563198
1 changed files with 240 additions and 457 deletions
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697
wp-admin/import/livejournal.php
View File

@ -1,4 +1,5 @@
<?php
/**
* LiveJournal API Importer
*
@ -9,9 +10,6 @@
// XML-RPC library for communicating with LiveJournal API
require_once( ABSPATH . WPINC . '/class-IXR.php' );
// Snoopy for getting comments (with cookies)
require_once( ABSPATH . WPINC . '/class-snoopy.php' );
/**
* LiveJournal API Importer class
*
@ -26,11 +24,11 @@ class LJ_API_Import {
var $ixr;
var $username;
var $password;
var $snoop;
var $comment_meta;
var $comments;
var $usermap;
var $postmap;
var $commentmap;
var $pointers = array();
// This list taken from LJ, they don't appear to have an API for it
@ -188,7 +186,7 @@ class LJ_API_Import {
<p class="submit">
<input type="submit" class="button-primary" value="<?php echo attribute_escape( __( 'Continue previous import' ) ) ?>" />
</p>
<p><a href="<?php echo $_SERVER['PHP_SELF'] . '?import=livejournal&amp;step=-1&amp;_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&amp;_wp_http_referer=' . attribute_escape( $_SERVER['REQUEST_URI'] ) ?>"><?php _e( 'Cancel &amp; start a new import' ) ?></a></p>
<p class="submitbox"><a href="<?php echo $_SERVER['PHP_SELF'] . '?import=livejournal&amp;step=-1&amp;_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&amp;_wp_http_referer=' . attribute_escape( $_SERVER['REQUEST_URI'] ) ?>" class="deletion submitdelete"><?php _e( 'Cancel &amp; start a new import' ) ?></a></p>
<p>
<?php else : ?>
<input type="hidden" name="step" value="1" />
@ -228,6 +226,10 @@ class LJ_API_Import {
</p>
<p><?php _e( '<strong>NOTE:</strong> If the import process is interrupted for <em>any</em> reason, come back to this page and it will continue from where it stopped automatically.' ) ?></p>
<noscript>
<p><?php _e( '<strong>NOTE:</strong> You appear to have JavaScript disabled, so you will need to manually click through each step of this importer. If you enable JavaScript, it will step through automatically.' ) ?></p>
</noscript>
<?php endif; ?>
</form>
</div>
@ -248,7 +250,6 @@ class LJ_API_Import {
do {
$lastsync = date( 'Y-m-d H:i:s', strtotime( get_option( 'ljapi_lastsync' ) ) );
$synclist = $this->lj_ixr( 'syncitems', array( 'ver' => 1, 'lastsync' => $lastsync ) );
$this->log( $synclist, 'ljimport-items-' . $total . '.txt' );
// Keep track of if we've downloaded everything
$total = $synclist['total'];
@ -261,14 +262,15 @@ class LJ_API_Import {
$lastsync = $event['time'];
}
}
update_option( 'ljapi_sync_item_times', $sync_item_times );
update_option( 'ljapi_total', $total );
update_option( 'ljapi_count', $count );
update_option( 'ljapi_lastsync', $lastsync );
} while ( $total > $count );
// endwhile - all post meta is cached locally
$this->log( $sync_item_times, 'ljimport-post-mod-times.txt' );
update_option( 'ljapi_sync_item_times', $sync_item_times );
update_option( 'ljapi_total', $total );
update_option( 'ljapi_count', $count );
update_option( 'ljapi_lastsync', $lastsync );
echo '<p>' . __( 'Post metadata has been downloaded, proceeding with posts...' ) . '</p>';
echo '<ol>';
@ -285,9 +287,9 @@ class LJ_API_Import {
'selecttype' => 'syncitems',
'lineendings' => 'pc',
'lastsync' => $lastsync ) );
$this->log( $itemlist, 'ljimport-posts-' . $imported_count . '.txt' );
if ( is_wp_error( $itemlist ) )
return $itemlist;
if ( $num = count( $itemlist['events'] ) ) {
foreach ( $itemlist['events'] as $event ) {
$imported_count++;
@ -312,9 +314,10 @@ class LJ_API_Import {
return;
$user = wp_get_current_user();
$post_author = $user->ID;
$post_status = ( 'private' == trim( $post['security'] ) ) ? 'private' : 'publish'; // Only me
$post_password = ( 'usemask' == trim( $post['security'] ) ) ? $this->protected_password : ''; // "Friends" via password
$post_author = $user->ID;
$post['security'] = !empty( $post['security'] ) ? $post['security'] : '';
$post_status = ( 'private' == trim( $post['security'] ) ) ? 'private' : 'publish'; // Only me
$post_password = ( 'usemask' == trim( $post['security'] ) ) ? $this->protected_password : ''; // "Friends" via password
// For some reason, LJ sometimes sends a date as "2004-04-1408:38:00" (no space btwn date/time)
$post_date = $post['eventtime'];
@ -322,7 +325,7 @@ class LJ_API_Import {
$post_date = substr( $post_date, 0, 10 ) . ' ' . substr( $post_date, 10 );
// Cleaning up and linking the title
$post_title = trim( $post['subject'] );
$post_title = isset( $post['subject'] ) ? trim( $post['subject'] ) : '';
$post_title = $this->translate_lj_user( $post_title ); // Translate it, but then we'll strip the link
$post_title = strip_tags( $post_title ); // Can't have tags in the title in WP
$post_title = $wpdb->escape( $post_title );
@ -365,7 +368,6 @@ class LJ_API_Import {
}
$postdata['post_ID'] = $post_id;
$postdata['lj_itemid'] = $post['itemid'];
$this->log( $postdata, 'ljimport-post-' . $post_id . '.txt' );
// Handle all the metadata for this post
$this->insert_postmeta( $post_id, $post );
@ -404,34 +406,41 @@ class LJ_API_Import {
}
}
// Loops through and gets comment meta and content from LJ in batches
// Writes raw XML files to disk for later processing
function download_comments() {
// Set up a session (authenticate) with LJ
function getsession() {
// Get a session via XMLRPC
$cookie = $this->lj_ixr( 'sessiongenerate', array( 'ver' => 1, 'expiration' => 'short' ) );
// Comment Meta
return new WP_Http_Cookie( array( 'name' => 'ljsession', 'value' => $cookie['ljsession'] ) );
}
// Loops through and gets comment meta from LJ in batches
function download_comment_meta() {
$cookie = $this->getsession();
// Load previous state (if any)
$this->usermap = (array) get_option( 'ljapi_usermap' );
$maxid = (int) get_option( 'ljapi_maxid' ) || 1;
$highest_id = (int) get_option( 'ljapi_highest_id' );
// Snoopy is required to handle the cookie
$this->snoop = new Snoopy();
$this->snoop->cookies = $cookie;
$maxid = get_option( 'ljapi_maxid' ) ? get_option( 'ljapi_maxid' ) : 1;
$highest_id = get_option( 'ljapi_highest_id' ) ? get_option( 'ljapi_highest_id' ) : 0;
// We need to loop over the metadata request until we have it all
while ( $maxid > $highest_id ) {
// Now get the meta listing
if ( !$this->snoop->fetch( $this->comments_url . '?get=comment_meta&startid=' . ( $highest_id + 1 ) ) )
return new WP_Error( 'Snoopy', __( 'Failed to retrieve comment meta information from LiveJournal. Please try again soon.' ) );
// Snoopy doesn't provide an accessor for results...
$results = $this->snoop->results;
$results = wp_remote_get( $this->comments_url . '?get=comment_meta&startid=' . ( $highest_id + 1 ),
array( 'cookies' => array( $cookie ), 'timeout' => 20 ) );
if ( is_wp_error( $results ) )
return new WP_Error( 'comment_meta', __( 'Failed to retrieve comment meta information from LiveJournal. Please try again soon.' ) );
$results = wp_remote_retrieve_body( $results );
// Get the maxid so we know if we have them all yet
preg_match( '|<maxid>(\d+)</maxid>|', $results, $matches );
if ( 0 == $matches[1] ) {
// No comment meta = no comments for this journal
echo '<p>' . __( 'You have no comments to import!' ) . '</p>';
update_option( 'ljapi_highest_id', 1 );
update_option( 'ljapi_highest_comment_id', 1 );
return false; // Bail out of comment importing entirely
}
$maxid = !empty( $matches[1] ) ? $matches[1] : $maxid;
// Parse comments and get highest id available
@ -446,112 +455,75 @@ class LJ_API_Import {
foreach ( $matches[1] as $count => $userid )
$this->usermap[$userid] = $matches[2][$count]; // need this in memory for translating ids => names
update_option( 'ljapi_usermap', $this->usermap );
update_option( 'ljapi_maxid', $maxid );
update_option( 'ljapi_highest_id', $highest_id );
wp_cache_flush();
}
// endwhile - should have seen all comment meta at this point
update_option( 'ljapi_usermap', $this->usermap );
update_option( 'ljapi_maxid', $maxid );
update_option( 'ljapi_highest_id', $highest_id );
echo '<p>' . __( ' Comment metadata downloaded successfully, proceeding with posts...' ) . '</p>';
// Download Comment XML
return true;
}
// Downloads actual comment bodies from LJ
// Inserts them all directly to the DB, with additional info stored in "spare" fields
function download_comment_bodies() {
global $wpdb;
$cookie = $this->getsession();
// Load previous state (if any)
$highest_id = (int) get_option( 'ljapi_highest_comment_id' );
$comment_xml_files = get_option( 'ljapi_comment_xml_files' );
if ( !is_array( $comment_xml_files ) ) {
update_option( 'ljapi_comment_xml_files', array() );
$comment_xml_files = array();
}
echo '<ol>';
// And now request the actual comments, and keep going until we have them all
while ( $maxid > $highest_id ) {
// Get a batch of comments, using the highest_id we've already got as a starting point
if ( !$this->snoop->fetch( $this->comments_url . '?get=comment_body&startid=' . ( $highest_id + 1 ) ) )
return new WP_Error( 'Snoopy', __( 'Failed to retrieve comment bodies from LiveJournal. Please try again soon.' ) );
$this->usermap = (array) get_option( 'ljapi_usermap' );
$maxid = get_option( 'ljapi_maxid' ) ? (int) get_option( 'ljapi_maxid' ) : 1;
$highest_id = (int) get_option( 'ljapi_highest_comment_id' );
$loop = 0;
while ( $maxid > $highest_id && $loop < 5 ) { // We do 5 loops per call to avoid memory limits
$loop++;
// Get the highest post ID in this batch (required for loop control)
$results = $this->snoop->results;
preg_match_all( '|<comment id=\'(\d+)\'|i', $results, $comments );
for ( $r = 0; $r < count( $comments[1] ); $r++ ) {
if ( $comments[1][$r] > $highest_id )
$highest_id = $comments[1][$r];
// Get a batch of comments, using the highest_id we've already got as a starting point
$results = wp_remote_get( $this->comments_url . '?get=comment_body&startid=' . ( $highest_id + 1 ),
array( 'cookies' => array( $cookie ), 'timeout' => 20 ) );
if ( is_wp_error( $results ) )
return new WP_Error( 'comment_bodies', __( 'Failed to retrieve comment bodies from LiveJournal. Please try again soon.' ) );
$results = wp_remote_retrieve_body( $results );
// Parse out each comment and insert directly
preg_match_all( '|<comment id=\'(\d+)\'.*</comment>|iUs', $results, $matches );
for ( $c = 0; $c < count( $matches[0] ); $c++ ) {
// Keep track of highest id seen
if ( $matches[1][$c] > $highest_id ) {
$highest_id = $matches[1][$c];
update_option( 'ljapi_highest_comment_id', $highest_id );
}
$comment = $matches[0][$c];
// Filter out any captured, deleted comments (nothing useful to import)
$comment = preg_replace( '|<comment id=\'\d+\' jitemid=\'\d+\' posterid=\'\d+\' state=\'D\'[^/]*/>|is', '', $comment );
// Parse this comment into an array and insert
$comment = $this->parse_comment( $comment );
$id = wp_insert_comment( $comment );
// Clear cache
clean_comment_cache( $id );
}
// $this->snoop-results is where the actual response is stored
$this->log( $this->snoop->results, 'ljimport-comment-bodies-' . $highest_id . '.txt' );
// Store in uploads dir. Can't use *.xml because it's not allowed
$results = wp_upload_bits( 'raw-comments-' . $highest_id . '.txt', null, $results );
if ( !empty( $results['error'] ) )
return new WP_Error( 'xml', $results['error'] );
$comment_xml_files[] = $results['file'];
echo '<li>' . sprintf( __( 'Downloaded <strong>%s</strong>' ), basename( $results['file'] ) ) . '</li>';
ob_flush(); flush();
$comment_xml_files = array_unique( $comment_xml_files );
update_option( 'ljapi_comment_xml_files', $comment_xml_files );
update_option( 'ljapi_comment_xml_files_count', count( $comment_xml_files ) );
// Clear cache to preseve memory
wp_cache_flush();
}
// endwhile - all comments downloaded and ready for bulk processing
echo '</ol>';
return true;
}
function parse_comment_xml( $xml_file ) {
if ( !is_file( $xml_file ) || !is_readable( $xml_file ) )
return new WP_Error( 'file', sprintf( __( 'Could not access comment XML file: %s'), $filename ) );
// Get content from file
$xml = @file_get_contents( $xml_file );
$cache_files = get_option( 'ljapi_comment_cache_files' );
if ( !is_array( $cache_files ) )
$cache_files = array();
// Parse XML into comments
preg_match_all( '|<comment id.*</comment>|iUs', $xml, $matches );
unset( $xml );
for ( $c = 0; $c < count( $matches[0] ); $c++ ) {
$comment = $matches[0][$c];
// Filter out any captured, deleted comments (nothing useful to import)
$comment = preg_replace( '|<comment id=\'\d+\' jitemid=\'\d+\' posterid=\'\d+\' state=\'D\'[^/]*/>|is', '', $comment );
// Parse this comment into an array
$comment = $this->parse_comment( $comment );
if ( empty( $comment['comment_post_ID'] ) )
continue;
// Add this comment to the appropriate cache file
$filename = $this->full_path( 'ljimport-comments-' . $comment['comment_post_ID'] . '.php' );
if ( $this->write_file( '<?php $comments[] = ' . var_export( $comment, true ) . '; ?>' . "\n",
$filename,
$comment['comment_post_ID'],
'a' ) )
{
// Keep track of files used
$cache_files[] = $filename;
}
}
// Update list of files in the DB
sort( $cache_files );
$cache_files = array_unique( $cache_files );
update_option( 'ljapi_comment_cache_files', $cache_files );
update_option( 'ljapi_comment_cache_files_count', count( $cache_files ) );
$this->close_file_pointers();
// Don't need this XML file anymore
unlink( $xml_file );
// Counter just used to show progress to user
update_option( 'ljapi_comment_batch', ( (int) get_option( 'ljapi_comment_batch' ) + 1 ) );
return true;
}
// Takes a block of XML and parses out all the elements of the comment
function parse_comment( $comment ) {
global $wpdb;
@ -562,17 +534,19 @@ class LJ_API_Import {
preg_match( '| jitemid=\'(\d+)\'|i', $attribs[1], $matches );
$lj_comment_post_ID = $matches[1];
preg_match( '| posterid=\'(\d+)\'|i', $attribs[1], $matches );
$comment_author_ID = $matches[1];
preg_match( '| parentid=\'(\d+)\'|i', $attribs[1], $matches );
$lj_comment_parent = $matches[1];
preg_match( '| state=\'([SDFA])\'|i', $attribs[1], $matches );
$lj_comment_state = !empty( $matches[1] ) ? $matches[1] : 'A';
$comment_author_ID = isset( $matches[1] ) ? $matches[1] : 0;
preg_match( '| parentid=\'(\d+)\'|i', $attribs[1], $matches ); // optional
$lj_comment_parent = isset( $matches[1] ) ? $matches[1] : 0;
preg_match( '| state=\'([SDFA])\'|i', $attribs[1], $matches ); // optional
$lj_comment_state = isset( $matches[1] ) ? $matches[1] : 'A';
// Clean up "subject" - this will become the first line of the comment in WP
preg_match( '|<subject>(.*)</subject>|is', $comment, $matches );
$comment_subject = $wpdb->escape( trim( $matches[1] ) );
if ( 'Re:' == $comment_subject )
$comment_subject = '';
if ( isset( $matches[1] ) ) {
$comment_subject = $wpdb->escape( trim( $matches[1] ) );
if ( 'Re:' == $comment_subject )
$comment_subject = '';
}
// Get the body and HTMLize it
preg_match( '|<body>(.*)</body>|is', $comment, $matches );
@ -590,11 +564,11 @@ class LJ_API_Import {
$comment_date = trim( str_replace( array( 'T', 'Z' ), ' ', $matches[1] ) );
// Grab IP if available
preg_match( '|<property name=\'poster_ip\'>(.*)</property>|i', $comment, $matches );
$comment_author_IP = $matches[1];
preg_match( '|<property name=\'poster_ip\'>(.*)</property>|i', $comment, $matches ); // optional
$comment_author_IP = isset( $matches[1] ) ? $matches[1] : '';
// Try to get something useful for the comment author, especially if it was "my" comment
$author = ( substr( $this->usermap[$comment_author_ID], 0, 4 ) == 'ext_' || empty( $comment_author_ID ) ) ? __( 'Anonymous' ) : $this->usermap[$comment_author_ID];
$author = ( empty( $comment_author_ID ) || empty( $this->usermap[$comment_author_ID] ) || substr( $this->usermap[$comment_author_ID], 0, 4 ) == 'ext_' ) ? __( 'Anonymous' ) : $this->usermap[$comment_author_ID];
if ( get_option( 'ljapi_username' ) == $author ) {
$user = wp_get_current_user();
$user_id = $user->ID;
@ -613,13 +587,16 @@ class LJ_API_Import {
'comment_post_ID' => $this->get_wp_post_ID( $lj_comment_post_ID ),
'comment_author' => $author,
'comment_author_url' => $url,
'comment_author_email' => '',
'comment_content' => $comment_content,
'comment_date' => $comment_date,
'comment_author_IP' => ( !empty( $comment_author_IP ) ? $comment_author_IP : '' ),
'comment_approved' => ( in_array( $lj_comment_state, array( 'A', 'F' ) ) ? 1 : 0 ),
'comment_agent' => 'WP LJ Importer',
'user_id' => $user_id
);
'comment_karma' => $lj_comment_ID, // Need this and next value until rethreading is done
'comment_agent' => $lj_comment_parent,
'comment_type' => 'livejournal', // Custom type, so we can find it later for processing
'user_ID' => $user_id
);
}
@ -627,124 +604,16 @@ class LJ_API_Import {
function get_wp_post_ID( $post ) {
global $wpdb;
if ( empty( $this->postmap[$post] ) )
$this->postmap[$post] = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = 'lj_itemid' AND meta_value = %d", $post ) );
$this->postmap[$post] = (int) $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = 'lj_itemid' AND meta_value = %d", $post ) );
return $this->postmap[$post];
}
// Re-build the threading within a single cache file
function thread_comments( $filename ) {
if ( !is_file( $filename ) || !is_readable( $filename ) )
return new WP_Error( 'File', __( sprintf( 'Cannot access file %s', $filename ) ) );
$comments = array();
@include( $filename );
$this->comments = $comments;
unset( $comments );
if ( !is_array( $this->comments ) )
$this->comments = array();
$count = count( $this->comments );
for ( $c = 0; $c < $count; $c++ ) {
// Skip anything that's not "top-level" for now
if ( 0 != $this->comments[$c]['lj_comment_parent'] )
continue;
$this->comments[$c]['children'] = $this->get_child_comments( $this->comments[$c]['lj_comment_ID'] );
}
// Remove anything that's not supposed to be at top level
$top_comments = array();
for ( $c = 0; $c < $count; $c++ ) {
if ( 0 == $this->comments[$c]['lj_comment_parent'] ) {
$top_comments[] = $this->comments[$c];
}
}
// Write back to file
@unlink( $filename );
$this->write_file( '<?php $comments = ' . var_export( $top_comments, true ) . '; ?>', $filename, $count, 'w' );
unset( $top_comments );
$this->close_file_pointers();
// Reference this file as being threaded
$files = get_option( 'ljapi_comment_threaded_files' );
$files[] = $filename;
array_unique( $files );
update_option( 'ljapi_comment_threaded_files', $files );
update_option( 'ljapi_comment_threaded_files_count', count( $files ) );
return true;
}
function get_child_comments( $id ) {
$children = array();
$count = count( $this->comments );
for ( $c = 0; $c < $count; $c++ ) {
// This comment is a child of the $id
if ( $id == $this->comments[$c]['lj_comment_parent'] ) {
$this->comments[$c]['children'] = $this->get_child_comments( $this->comments[$c]['lj_comment_ID'] );
$children[] = $this->comments[$c];
}
}
return $children;
}
// Inserts the contents of each cache file (should be threaded already)
function insert_comments( $filename ) {
echo '<ol>';
if ( !is_file( $filename ) || !is_readable( $filename ) )
return new WP_Error( 'File', __( sprintf( 'Cannot access file %s', $filename ) ) );
$comments = array();
@include( $filename );
$this->comments = $comments;
unset( $comments );
if ( !is_array( $this->comments ) )
$this->comments = array();
$count = count( $this->comments );
for ( $c = 0; $c < $count; $c++ ) {
$comment =& $this->comments[$c];
echo '<li>';
printf( __( 'Imported comment from <strong>%s</strong> on %s' ), $comment['comment_author'], $comment['comment_date'] );
$id = wp_insert_comment( $comment );
$comment['comment_ID'] = $id;
if ( count( $comment['children'] ) ) {
_e( ' and replies:' );
$this->insert_child_comments( $comment['children'], $id );
}
echo '</li>';
}
// Remove the file now that we're done with it
@unlink( $filename );
echo '</ol>';
return true;
}
function insert_child_comments( &$comments, $parent ) {
echo '<ol>';
$count = count( $comments );
for ( $c = 0; $c < $count; $c++ ) {
$comment =& $comments[$c];
$comment['comment_parent'] = $parent;
echo '<li>';
printf( __( 'Imported reply from <strong>%s</strong> on %s' ), $comment['comment_author'], $comment['comment_date'] );
$id = wp_insert_comment( $comment );
$comment['comment_ID'] = $id;
if ( count( $comment['children'] ) ) {
_e( ' and replies:' );
$this->insert_child_comments( $comment['children'], $id );
}
echo '</li>';
}
echo '</ol>';
// Gets the comment_ID that a LJ comment has been saved as within WP
function get_wp_comment_ID( $comment ) {
global $wpdb;
if ( empty( $this->commentmap[$comment] ) )
$this->commentmap[$comment] = $wpdb->get_var( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_karma = %d", $comment ) );
return $this->commentmap[$comment];
}
function lj_ixr() {
@ -767,7 +636,6 @@ class LJ_API_Import {
if ( $this->ixr->query( 'LJ.XMLRPC.' . $method, $params ) ) {
return $this->ixr->getResponse();
} else {
$this->log( $this->ixr->message, 'ljimport-error-' . $method . '.txt' );
return new WP_Error( 'IXR', __( 'XML-RPC Request Failed - ' ) . $this->ixr->getErrorCode() . ': ' . $this->ixr->getErrorMessage() );
}
}
@ -788,12 +656,10 @@ class LJ_API_Import {
$this->greet();
break;
case 1 :
case 2 :
$this->ixr = new IXR_Client( $this->ixr_url );
// Intentional no break
case 2 :
case 3 :
case 4 :
case 5 :
check_admin_referer( 'lj-api-import' );
$result = $this->{ 'step' . $step }();
if ( is_wp_error( $result ) )
@ -837,6 +703,8 @@ class LJ_API_Import {
$login = $this->lj_ixr( 'login' );
if ( is_wp_error( $login ) ) {
if ( 100 == $this->ixr->getErrorCode() || 101 == $this->ixr->getErrorCode() ) {
delete_option( 'ljapi_username' );
delete_option( 'ljapi_password' );
?>
<p><?php _e( 'Logging in to LiveJournal failed. Check your username and password and try again.' ) ?></p>
<p><a href="<?php echo $_SERVER['PHP_SELF'] . '?import=livejournal&amp;step=-1&amp;_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&amp;_wp_http_referer=' . attribute_escape( str_replace( '&step=1', '', $_SERVER['REQUEST_URI'] ) ) ?>"><?php _e( 'Start again' ) ?></a></p>
@ -848,11 +716,9 @@ class LJ_API_Import {
}
// Set up some options to avoid them autoloading (these ones get big)
add_option( 'ljapi_sync_item_times', '', '', 'no' );
add_option( 'ljapi_usermap', '', '', 'no' );
add_option( 'ljapi_comment_xml_files', '', '', 'no' );
add_option( 'ljapi_comment_cache_files', '', '', 'no' );
add_option( 'ljapi_comment_threaded_files', '', '', 'no' );
add_option( 'ljapi_sync_item_times', '', '', 'no' );
add_option( 'ljapi_usermap', '', '', 'no' );
update_option( 'ljapi_comment_batch', 0 );
echo '<h3>' . __( 'Importing Posts' ) . '</h3>';
echo '<p>' . __( "We're downloading and importing all your LiveJournal posts..." ) . '</p>';
@ -873,7 +739,7 @@ class LJ_API_Import {
}
}
echo '<p>' . __( "Your posts have all been imported, but wait - there's more! Now we need to process &amp; import your comments." ) . '</p>';
echo '<p>' . __( "Your posts have all been imported, but wait - there's more! Now we need to download &amp; import your comments." ) . '</p>';
echo $this->next_step( 2, __( 'Download my comments &raquo;' ) );
$this->auto_submit();
}
@ -884,143 +750,94 @@ class LJ_API_Import {
update_option( 'ljapi_step', 2 );
$this->username = get_option( 'ljapi_username' );
$this->password = get_option( 'ljapi_password' );
$this->ixr = new IXR_Client( $this->ixr_url );
echo '<div id="ljapi-status">';
echo '<h3>' . __( 'Downloading Comments' ) . '</h3>';
echo '<p>' . __( 'Now we will download your comments so we can process and import them...' ) . '</p>';
echo '<p>' . __( 'Now we will download your comments so we can import them (this could take a <strong>long</strong> time if you have lots of comments)...' ) . '</p>';
ob_flush(); flush();
$result = $this->download_comments();
if ( !get_option( 'ljapi_usermap' ) ) {
// We haven't downloaded meta yet, so do that first
$result = $this->download_comment_meta();
if ( is_wp_error( $result ) )
return $result;
}
// Download a batch of actual comments
$result = $this->download_comment_bodies();
if ( is_wp_error( $result ) )
return $result;
echo '<p>' . __( 'Your comments have all been downloaded to this server now, so we can process them and get them ready for importing.' ) . '</p>';
echo $this->next_step( 3, __( 'Process my comment files &raquo;' ) );
$this->auto_submit();
$maxid = get_option( 'ljapi_maxid' ) ? (int) get_option( 'ljapi_maxid' ) : 1;
$highest_id = (int) get_option( 'ljapi_highest_comment_id' );
if ( $maxid > $highest_id ) {
?>
<form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
<p><strong><?php printf( __( 'Imported comment batch %d of <strong>approximately</strong> %d' ), get_option( 'ljapi_comment_batch' ), ( $maxid / 5000 ) ) ?></strong></p>
<?php wp_nonce_field( 'lj-api-import' ) ?>
<input type="hidden" name="step" id="step" value="2" />
<p><input type="submit" class="button-primary" value="<?php echo attribute_escape( __( 'Import the next batch &raquo;' ) ) ?>" /> <span id="auto-message"></span></p>
</form>
<?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
<?php
} else {
echo '<p>' . __( 'Your comments have all been imported now, but we still need to rebuild your conversation threads.' ) . '</p>';
echo $this->next_step( 3, __( 'Rebuild my comment threads &raquo;' ) );
$this->auto_submit();
}
echo '</div>';
}
// Parse XML into comment cache files
// Re-thread comments already in the DB
function step3() {
global $wpdb;
set_time_limit( 0 );
update_option( 'ljapi_step', 3 );
$this->usermap = get_option( 'ljapi_usermap' );
echo '<div id="ljapi-status">';
echo '<h3>' . __( 'Parsing Comments' ) . '</h3>';
echo '<p>' . __( 'Time to clean up your comments and get them into a format WordPress understands...' ) . '</p>';
ob_flush(); flush();
$files = get_option( 'ljapi_comment_xml_files' );
if ( count( $files ) ) {
$file = array_pop( $files );
$result = $this->parse_comment_xml( $file );
if ( is_wp_error( $result ) )
return $result;
update_option( 'ljapi_comment_xml_files', $files );
}
if ( count( $files ) ) {
?>
<form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
<p><strong><?php printf( __( 'Processed comment file %d of %d' ), ( get_option( 'ljapi_comment_xml_files_count' ) - count( $files ) ), get_option( 'ljapi_comment_xml_files_count' ) ) ?></strong></p>
<?php wp_nonce_field( 'lj-api-import' ) ?>
<input type="hidden" name="step" id="step" value="3" />
<p><input type="submit" class="button-primary" value="<?php echo attribute_escape( __( 'Process the next comment file &raquo;' ) ) ?>" /> <span id="auto-message"></span></p>
</form>
<?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
<?php
} else {
echo '<p>' . __( 'Yay, we finished processing all of your comment files! Now we need to re-build your conversation threads.' ) . '</p>';
echo $this->next_step( 4, __( 'Thread my comments &raquo;' ) );
$this->auto_submit();
}
echo '</div>';
}
// Thread comments within their cache files
function step4() {
set_time_limit( 0 );
update_option( 'ljapi_step', 4 );
echo '<div id="ljapi-status">';
echo '<h3>' . __( 'Threading Comments' ) . '</h3>';
echo '<p>' . __( 'Re-building your conversation threads ready for import...' ) . '</p>';
echo '<p>' . __( 'We are now re-building the threading of your comments (this can also take a while if you have lots of comments)...' ) . '</p>';
ob_flush(); flush();
$files = get_option( 'ljapi_comment_cache_files' );
if ( count( $files ) ) {
$file = array_pop( $files );
$result = $this->thread_comments( $file );
if ( is_wp_error( $result ) )
return $result;
update_option( 'ljapi_comment_cache_files', $files );
// Only bother adding indexes if they have over 5000 comments (arbitrary number)
$imported_comments = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->comments} WHERE comment_type = 'livejournal'" );
$added_indices = false;
if ( 5000 < $imported_comments ) {
include_once(ABSPATH . 'wp-admin/includes/upgrade.php');
$added_indices = true;
add_clean_index( $wpdb->comments, 'comment_type' );
add_clean_index( $wpdb->comments, 'comment_karma' );
add_clean_index( $wpdb->comments, 'comment_agent' );
}
if ( count( $files ) ) {
?>
<form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
<p><strong><?php printf( __( 'Threaded cache file %d of %d' ), ( get_option( 'ljapi_comment_cache_files_count' ) - count( $files ) ), get_option( 'ljapi_comment_cache_files_count' ) ) ?></strong></p>
<?php wp_nonce_field( 'lj-api-import' ) ?>
<input type="hidden" name="step" id="step" value="4" />
<p><input type="submit" class="button-primary" value="<?php echo attribute_escape( __( 'Thread the next cache file &raquo;' ) ) ?>" /> <span id="auto-message"></span></p>
</form>
<?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
<?php
} else {
echo '<p>' . __( "Alrighty, your comments are all threaded. There's just one last step -- time to actually import them all now!" ) . '</p>';
echo '<p>' . __( 'This last part in particular can take a really long time if you have a lot of comments. You might want to go and do something else while you wait.' ) . '</p>';
echo $this->next_step( 5, __( 'Import my threaded comments into WordPress &raquo;' ) );
$this->auto_submit();
}
echo '</div>';
}
// Import comments from cache files into WP
function step5() {
set_time_limit( 0 );
update_option( 'ljapi_step', 5 );
echo '<div id="ljapi-status">';
echo '<h3>' . __( 'Importing Comments' ) . '</h3>';
echo '<p>' . __( 'This is the big one -- we are now inserting your comment threads into WordPress...' ) . '</p>';
$files = get_option( 'ljapi_comment_threaded_files' );
echo '<p><strong>' . sprintf( __( 'Importing cache file %d of %d' ), ( get_option( 'ljapi_comment_threaded_files_count' ) - count( $files ) + 1 ), get_option( 'ljapi_comment_threaded_files_count' ) ) . '</strong></p>';
ob_flush(); flush();
if ( count( $files ) ) {
$file = array_pop( $files );
$result = $this->insert_comments( $file );
if ( is_wp_error( $result ) )
return $result;
update_option( 'ljapi_comment_threaded_files', $files );
// Get LJ comments, which haven't been threaded yet, 5000 at a time and thread them
while ( $comments = $wpdb->get_results( "SELECT comment_ID, comment_agent FROM {$wpdb->comments} WHERE comment_type = 'livejournal' AND comment_agent != '0' LIMIT 5000", OBJECT ) ) {
foreach ( $comments as $comment ) {
$wpdb->update( $wpdb->comments,
array( 'comment_parent' => $this->get_wp_comment_ID( $comment->comment_agent ), 'comment_type' => 'livejournal-done' ),
array( 'comment_ID' => $comment->comment_ID ) );
}
wp_cache_flush();
$wpdb->flush();
}
if ( count( $files ) ) {
?>
<form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
<?php wp_nonce_field( 'lj-api-import' ) ?>
<input type="hidden" name="step" id="step" value="5" />
<p><input type="submit" class="button-primary" value="<?php echo attribute_escape( __( 'Import the next cache file &raquo;' ) ) ?>" /> <span id="auto-message"></span></p>
</form>
<?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
<?php
} else {
// Clean up database and we're out
$this->cleanup();
do_action( 'import_done', 'livejournal' );
echo '<h3>';
printf( __( 'All done. <a href="%s">Have fun!</a>' ), get_option( 'home' ) );
echo '</h3>';
// Revert the comments table back to normal and optimize it to reclaim space
if ( $added_indices ) {
drop_index( $wpdb->comments, 'comment_type' );
drop_index( $wpdb->comments, 'comment_karma' );
drop_index( $wpdb->comments, 'comment_agent' );
$wpdb->query( "OPTIMIZE TABLE {$wpdb->comments}" );
}
// Clean up database and we're out
$this->cleanup();
do_action( 'import_done', 'livejournal' );
if ( $imported_comments > 1 )
echo '<p>' . sprintf( __( "Successfully re-threaded %d comments." ), number_format( $imported_comments ) ) . '</p>';
echo '<h3>';
printf( __( 'All done. <a href="%s">Have fun!</a>' ), get_option( 'home' ) );
echo '</h3>';
echo '</div>';
}
@ -1035,38 +852,6 @@ class LJ_API_Import {
return $str;
}
// Automatically submit the form with #id to continue the process
// Hide any submit buttons to avoid people clicking them
// Display a countdown in the element indicated by $msg for "Continuing in x"
function auto_ajax( $id = 'ljapi-next-form', $msg = 'auto-message', $seconds = 5 ) {
?><script type="text/javascript">
next_counter = <?php echo $seconds ?>;
jQuery(document).ready(function(){
ljapi_msg();
});
function ljapi_msg() {
str = '<?php _e( "Continuing in %d" ) ?>';
jQuery( '#<?php echo $msg ?>' ).text( str.replace( /%d/, next_counter ) );
if ( next_counter <= 0 ) {
if ( jQuery( '#<?php echo $id ?>' ).length ) {
jQuery( "#<?php echo $id ?> input[type='submit']" ).hide();
jQuery.ajaxSetup({'timeout':3600000});
str = '<?php _e( "Processing next file." ) ?> <img src="images/loading-publish.gif" alt="" id="processing" align="top" />';
jQuery( '#<?php echo $msg ?>' ).html( str );
jQuery('#ljapi-status').load(ajaxurl, {'action':'lj-importer',
'step':jQuery('#step').val(),
'_wpnonce':'<?php echo wp_create_nonce( 'lj-api-import' ) ?>',
'_wp_http_referer':'<?php echo $_SERVER['REQUEST_URI'] ?>'});
return;
}
}
next_counter = next_counter - 1;
setTimeout('ljapi_msg()', 1000);
}
</script><?php
}
// Automatically submit the specified form after $seconds
// Include a friendly countdown in the element with id=$msg
@ -1094,9 +879,44 @@ class LJ_API_Import {
}
</script><?php
}
// Automatically submit the form with #id to continue the process
// Hide any submit buttons to avoid people clicking them
// Display a countdown in the element indicated by $msg for "Continuing in x"
function auto_ajax( $id = 'ljapi-next-form', $msg = 'auto-message', $seconds = 5 ) {
?><script type="text/javascript">
next_counter = <?php echo $seconds ?>;
jQuery(document).ready(function(){
ljapi_msg();
});
function ljapi_msg() {
str = '<?php _e( "Continuing in %d" ) ?>';
jQuery( '#<?php echo $msg ?>' ).text( str.replace( /%d/, next_counter ) );
if ( next_counter <= 0 ) {
if ( jQuery( '#<?php echo $id ?>' ).length ) {
jQuery( "#<?php echo $id ?> input[type='submit']" ).hide();
jQuery.ajaxSetup({'timeout':3600000});
str = '<?php _e( "Processing next batch." ) ?> <img src="images/loading-publish.gif" alt="" id="processing" align="top" />';
jQuery( '#<?php echo $msg ?>' ).html( str );
jQuery('#ljapi-status').load(ajaxurl, {'action':'lj-importer',
'step':jQuery('#step').val(),
'_wpnonce':'<?php echo wp_create_nonce( 'lj-api-import' ) ?>',
'_wp_http_referer':'<?php echo $_SERVER['REQUEST_URI'] ?>'});
return;
}
}
next_counter = next_counter - 1;
setTimeout('ljapi_msg()', 1000);
}
</script><?php
}
// Remove all options used during import process
// Remove all options used during import process and
// set wp_comments entries back to "normal" values
function cleanup() {
global $wpdb;
delete_option( 'ljapi_username' );
delete_option( 'ljapi_password' );
delete_option( 'ljapi_protected_password' );
@ -1111,54 +931,17 @@ class LJ_API_Import {
delete_option( 'ljapi_usermap' );
delete_option( 'ljapi_highest_id' );
delete_option( 'ljapi_highest_comment_id' );
delete_option( 'ljapi_comment_xml_files' );
delete_option( 'ljapi_comment_xml_files_count' );
delete_option( 'ljapi_comment_cache_files' );
delete_option( 'ljapi_comment_cache_files_count' );
delete_option( 'ljapi_comment_threaded_files' );
delete_option( 'ljapi_comment_threaded_files_count' );
delete_option( 'ljapi_comment_batch' );
delete_option( 'ljapi_step' );
$wpdb->update( $wpdb->comments,
array( 'comment_karma' => 0, 'comment_agent' => 'WP LJ Importer', 'comment_type' => '' ),
array( 'comment_type' => 'livejournal-done' ) );
$wpdb->update( $wpdb->comments,
array( 'comment_karma' => 0, 'comment_agent' => 'WP LJ Importer', 'comment_type' => '' ),
array( 'comment_type' => 'livejournal' ) );
}
// Dump a string to a log file (appends to existing file)
function log( $string, $name ) {
return; // remove this to enable "debugging" output to files in /wp-content/ljimport
$path = wp_upload_dir();
$path = $path['path'];
if ( get_option( 'uploads_use_yearmonth_folders' ) )
$path = substr( $path, 0, -8 );
if ( !is_dir( $path . '/ljimport' ) )
mkdir( $path . '/ljimport' );
$fh = @fopen( $path . '/ljimport/' . $name, 'a' );
if ( $fh ) {
if ( is_array( $string ) || is_object( $string ) )
fwrite( $fh, var_export( $string, true ) . "\n\n" );
else
fwrite( $fh, $string . "\n\n" );
fclose( $fh );
}
}
function write_file( $data, $name, $id, $mode = 'a' ) {
if ( empty( $this->pointers[$id] ) )
$this->pointers[$id] = @fopen( $name, $mode );
if ( $this->pointers[$id] )
return fwrite( $this->pointers[$id], $data );
return false;
}
function full_path( $basename ) {
$uploads = wp_upload_dir();
return $uploads['path'] . '/' . $basename;
}
function close_file_pointers() {
foreach ( $this->pointers as $p )
@fclose( $p );
}
function LJ_API_Import() {
$this->__construct();
}