/**
* @return array|mixed|string|void|WP_Error
*/
function migrate_tables()
{
$tables_to_migrate = $this->get_tables_to_migrate();
$tables = $tables_to_migrate;
$stage_iterator = 2;
$filtered_vars = apply_filters('wpmdb_cli_filter_before_migrate_tables', array('tables' => $tables, 'stage_iterator' => $stage_iterator));
if (!is_array($filtered_vars)) {
return $filtered_vars;
} else {
extract($filtered_vars, EXTR_OVERWRITE);
}
if (empty($tables)) {
return $this->cli_error(__('No tables selected for migration.', 'wp-migrate-db'));
}
$table_rows = $this->get_row_counts_from_table_list($tables, $stage_iterator);
do_action('wpmdb_cli_before_migrate_tables', $this->profile, $this->migration);
$notify = $this->get_progress_bar($tables, $stage_iterator);
$args = $this->post_data;
do {
$migration_progress = 0;
foreach ($tables as $key => $table) {
$current_row = -1;
$primary_keys = '';
$table_progress = 0;
$table_progress_last = 0;
$args['table'] = $table;
$args['last_table'] = $key == count($tables) - 1 ? '1' : '0';
do {
// reset the current chunk
$this->wpmdb->empty_current_chunk();
$args['current_row'] = $current_row;
$args['primary_keys'] = $primary_keys;
$args = apply_filters('wpmdb_cli_migrate_table_args', $args, $this->profile, $this->migration);
$response = $this->migrate_table($args);
$migrate_table_response = $this->verify_cli_response($response, 'migrate_table()');
if (is_wp_error($migrate_table_response)) {
return $migrate_table_response;
}
$migrate_table_response = apply_filters('wpmdb_cli_migrate_table_response', $migrate_table_response, $_POST, $this->profile, $this->migration);
$current_row = $migrate_table_response['current_row'];
$primary_keys = $migrate_table_response['primary_keys'];
$last_migration_progress = $migration_progress;
if (-1 == $current_row) {
$migration_progress -= $table_progress;
$migration_progress += $table_rows[$table];
} else {
if (0 === $table_progress_last) {
$table_progress_last = $current_row;
$table_progress = $table_progress_last;
$migration_progress += $table_progress_last;
} else {
$iteration_progress = $current_row - $table_progress_last;
$table_progress_last = $current_row;
$table_progress += $iteration_progress;
$migration_progress += $iteration_progress;
}
}
$increment = $migration_progress - $last_migration_progress;
$notify->tick($increment);
} while (-1 != $current_row);
}
$notify->finish();
++$stage_iterator;
$args['stage'] = 'migrate';
$tables = $tables_to_migrate;
$table_rows = $this->get_row_counts_from_table_list($tables, $stage_iterator);
if ($stage_iterator < 3) {
$notify = $this->get_progress_bar($tables, $stage_iterator);
}
} while ($stage_iterator < 3);
$this->post_data = $args;
return $tables;
}
