/**
* Import user.
*
* @param User $user
*
* @todo Here we are assuming that there cannot be two users with the
* same user_login. This might be wrong. Investigate!
* Consider using WP function get_user_by.
*
* @see http://codex.wordpress.org/Function_Reference/get_user_by
*/
public function import_user(User $user)
{
// Database table base prefix for production and content stage.
$prod_prefix = $this->custom_dao->get_table_base_prefix();
$stage_prefix = $this->batch->get_custom_data('sme_table_base_prefix');
// Change database table base prefix from content staging prefix to
// production prefix.
$meta = array_map(function ($record) use($stage_prefix, $prod_prefix) {
if (isset($record['meta_key']) && strpos($record['meta_key'], $stage_prefix) === 0) {
$record['meta_key'] = substr_replace($record['meta_key'], $prod_prefix, 0, strlen($stage_prefix));
}
return $record;
}, $user->get_meta());
// Update user with new meta.
$user->set_meta($meta);
// See if user exists in database.
$existing = $this->user_dao->get_user_by_user_login($user->get_login());
// Create if user does not exist, update otherwise.
if (empty($existing)) {
$this->user_dao->insert($user);
} else {
$user->set_id($existing->get_id());
$this->user_dao->update_user($user);
}
}
/**
* Update user meta.
*
* @param User $user
*/
public function update_all_user_meta(User $user)
{
$insert_keys = array();
$stage_keys = array();
$insert = array();
$update = array();
$delete = array();
$stage_records = $user->get_meta();
$prod_records = $this->get_user_meta($user->get_id());
/*
* Go through each meta record we got from stage. If a meta_key exists
* more then once, then we will not try to update any records with that
* meta key.
*/
foreach ($stage_records as $key => $prod_record) {
if (in_array($prod_record['meta_key'], $stage_keys)) {
$insert[] = $prod_record;
$insert_keys[] = $prod_record['meta_key'];
unset($stage_records[$key]);
} else {
$stage_keys[] = $prod_record['meta_key'];
}
}
/*
* Go through each meta record we got from production. If a meta_key
* exist that is already part of the keys scheduled for insertion or if a
* key that is found that is not part of the keys from stage, then
* schedule that record for deletion.
*
* Records left in $stage_records is candidates for being updated. Go
* through them and see if they already exist in $prod_records.
*/
foreach ($prod_records as $prod_key => $prod_record) {
if (!in_array($prod_record['meta_key'], $stage_keys) || in_array($prod_record['meta_key'], $insert_keys)) {
$delete[] = $prod_record;
unset($prod_records[$prod_key]);
} else {
foreach ($stage_records as $stage_key => $stage_record) {
if ($stage_record['meta_key'] == $prod_record['meta_key']) {
$stage_record['user_id'] = $prod_record['user_id'];
$stage_record['umeta_id'] = $prod_record['umeta_id'];
$update[] = $stage_record;
unset($stage_records[$stage_key]);
unset($prod_records[$prod_key]);
}
}
}
}
// Records left in $stage_records should be inserted.
foreach ($stage_records as $record) {
$insert[] = $record;
}
// Records left in $prod_records should be deleted.
foreach ($prod_records as $record) {
$delete[] = $record;
}
foreach ($delete as $record) {
$this->delete_user_meta($record['umeta_id']);
}
foreach ($insert as $record) {
$this->insert_user_meta($record);
}
foreach ($update as $record) {
$this->update_user_meta($record);
}
}