Current File : /home/vacivi36/intranet.vacivitta.com.br/protected/humhub/components/Migration.php
<?php
/**
* @link https://www.humhub.org/
* @copyright Copyright (c) 2017 HumHub GmbH & Co. KG
* @license https://www.humhub.com/licences
*/
namespace humhub\components;
use humhub\models\Setting;
use Yii;
/**
* Migration is the base class for representing a database migration.
*
* @see \yii\db\Migration
*/
class Migration extends \yii\db\Migration
{
protected function safeCreateTable($table, $columns, $options = null)
{
if (!$this->db->getTableSchema($table, true)) {
$this->createTable($table, $columns, $options);
} else {
if (!$this->compact) {
echo " > skipped create table $table, table does already exist ...\n";
}
Yii::warning("Tried to create an already existing existing table '$table' in migration " . get_class($this));
}
}
protected function safeDropTable($table)
{
if ($this->db->getTableSchema($table, true)) {
$this->dropTable($table);
} else {
if (!$this->compact) {
echo " > skipped drop table $table, table does not exist ...\n";
}
Yii::warning("Tried to drop a non existing table '$table' in migration " . get_class($this));
}
}
/**
* Check if the column already exists in the table
*
* @since 1.9.1
* @param string $index
* @param string $table
* @return bool
*/
protected function columnExists($column, $table): bool
{
$tableSchema = $this->db->getTableSchema($table, true);
return $tableSchema && in_array($column, $tableSchema->columnNames, true);
}
protected function safeDropColumn($table, $column)
{
if ($this->columnExists($column, $table)) {
$this->dropColumn($table, $column);
} else {
if (!$this->compact) {
echo " > skipped drop column $column from table $table, column does not exist ...\n";
}
Yii::warning("Tried to drop a non existing column '$column' from table '$table' in migration " . get_class($this));
}
}
protected function safeAddColumn($table, $column, $type)
{
if (!$this->columnExists($column, $table)) {
$this->addColumn($table, $column, $type);
} else {
if (!$this->compact) {
echo " > skipped add column $column from table $table, column does already exist ...\n";
}
Yii::warning("Tried to add an already existing column '$column' on table '$table' in migration " . get_class($this));
}
}
/**
* Check if the index already exists in the table
*
* @since 1.9.1
* @param string $index
* @param string $table
* @return bool
*/
protected function indexExists($index, $table): bool
{
return (bool) $this->db->createCommand('SHOW KEYS FROM ' . $this->db->quoteTableName($table) .
' WHERE Key_name = ' . $this->db->quoteValue($index))
->queryOne();
}
/**
* Check if the foreign index already exists in the table
*
* @since 1.9.1
* @param string $index
* @param string $table
* @return bool
*/
protected function foreignIndexExists(string $index, string $table): bool
{
return (bool) $this->db->createCommand('SELECT * FROM information_schema.key_column_usage
WHERE REFERENCED_TABLE_NAME IS NOT NULL
AND TABLE_NAME = ' . $this->db->quoteValue($table) . '
AND TABLE_SCHEMA = ' . $this->db->quoteValue($this->getDsnAttribute('dbname')). '
AND CONSTRAINT_NAME = ' . $this->db->quoteValue($index))
->queryOne();
}
/**
* Create an index if it doesn't exist yet
*
* @since 1.9.1
* @param string $index
* @param string $table
* @param string|array $columns
* @param bool $unique
*/
protected function safeCreateIndex($index, $table, $columns, $unique = false)
{
if ($this->indexExists($index, $table)) {
if (!$this->compact) {
echo " > skipped create index $index in the table $table, index already exists ...\n";
}
Yii::warning("Tried to create an already existing index '$index' on table '$table' in migration " . get_class($this));
return;
}
$this->createIndex($index, $table, $columns, $unique);
}
/**
* Drop an index if it exists in the table
*
* @since 1.9.1
* @param string $index
* @param string $table
*/
protected function safeDropIndex($index, $table)
{
if (!$this->indexExists($index, $table)) {
if (!$this->compact) {
echo " > skipped drop index $index from the table $table, index does not exist ...\n";
}
Yii::warning("Tried to drop a non existing index '$index' from table '$table' in migration " . get_class($this));
return;
}
$this->dropIndex($index, $table);
}
/**
* Add a primary index if it doesn't exist yet
*
* @since 1.9.1
* @param string $index
* @param string $table
* @param string|array $columns
*/
protected function safeAddPrimaryKey($index, $table, $columns)
{
if ($this->indexExists('PRIMARY', $table)) {
if (!$this->compact) {
echo " > skipped create primary index $index in the table $table, primary index already exists ...\n";
}
Yii::warning("Tried to create an already existing primary index '$index' on table '$table' in migration " . get_class($this));
return;
}
$this->addPrimaryKey($index, $table, $columns);
}
/**
* Drop a primary index if it exists in the table
*
* @since 1.9.1
* @param string $index
* @param string $table
*/
protected function safeDropPrimaryKey($index, $table)
{
if (!$this->indexExists('PRIMARY', $table)) {
if (!$this->compact) {
echo " > skipped drop primary index $index from the table $table, primary index does not exist ...\n";
}
Yii::warning("Tried to drop a non existing primary index '$index' from table '$table' in migration " . get_class($this));
return;
}
$this->dropPrimaryKey($index, $table);
}
/**
* Add a foreign index if it doesn't exist yet
*
* @since 1.9.1
* @param string $index
* @param string $table
* @param string|array $columns
*/
protected function safeAddForeignKey($index, $table, $columns, $refTable, $refColumns, $delete = null, $update = null)
{
if ($this->foreignIndexExists($index, $table)) {
if (!$this->compact) {
echo " > skipped create foreign index $index in the table $table, foreign index already exists ...\n";
}
Yii::warning("Tried to create an already existing foreign index '$index' on table '$table' in migration " . get_class($this));
return;
}
$this->addForeignKey($index, $table, $columns, $refTable, $refColumns, $delete, $update);
}
/**
* Drop a foreign if it exists in the table
*
* @since 1.9.1
* @param string $index
* @param string $table
*/
protected function safeDropForeignKey($index, $table)
{
if (!$this->foreignIndexExists($index, $table)) {
if (!$this->compact) {
echo " > skipped drop foreign index $index from the table $table, foreign index does not exist ...\n";
}
Yii::warning("Tried to drop a non existing foreign index '$index' from table '$table' in migration " . get_class($this));
return;
}
$this->dropForeignKey($index, $table);
}
/**
* Renames a class
*
* This is often required because some classes are also stored in database
* e.g. for polymorphic relations.
*
* This method is also required for 0.20 namespace migration!
*
* @param string $oldClass
* @param string $newClass
* @throws \yii\db\Exception
*/
protected function renameClass($oldClass, $newClass)
{
$this->updateSilent('activity', ['object_model' => $newClass], ['object_model' => $oldClass]);
$this->updateSilent('activity', ['class' => $newClass], ['class' => $oldClass]);
$this->updateSilent('comment', ['object_model' => $newClass], ['object_model' => $oldClass]);
$this->updateSilent('content', ['object_model' => $newClass], ['object_model' => $oldClass]);
$this->updateSilent('file', ['object_model' => $newClass], ['object_model' => $oldClass]);
$this->updateSilent('like', ['object_model' => $newClass], ['object_model' => $oldClass]);
$this->updateSilent('notification', ['source_class' => $newClass], ['source_class' => $oldClass]);
$this->updateSilent('notification', ['class' => $newClass], ['class' => $oldClass]);
$this->updateSilent('user_mentioning', ['object_model' => $newClass], ['object_model' => $oldClass]);
$this->updateSilent('user_follow', ['object_model' => $newClass], ['object_model' => $oldClass]);
//$this->updateSilent('wall', ['object_model' => $newClass], ['object_model' => $oldClass]);
/**
* Looking up "NewLike" activities with this className
* Since 0.20 the className changed to Like (is not longer the target object e.g. post)
*
* Use raw query for better performace.
*/
$updateSql = "
UPDATE activity
LEFT JOIN `like` ON like.object_model=activity.object_model AND like.object_id=activity.object_id
SET activity.object_model=:likeModelClass, activity.object_id=like.id
WHERE activity.class=:likedActivityClass AND like.id IS NOT NULL and activity.object_model != :likeModelClass
";
Yii::$app->db->createCommand($updateSql, [
':likeModelClass' => \humhub\modules\like\models\Like::className(),
':likedActivityClass' => \humhub\modules\like\activities\Liked::className()
])->execute();
}
/**
* Creates and executes an UPDATE SQL statement without any output.
* The method will properly escape the column names and bind the values to be updated.
*
* @param string $table the table to be updated.
* @param array $columns the column data (name => value) to be updated.
* @param array|string $condition the conditions that will be put in the WHERE part. Please
* refer to [[Query::where()]] on how to specify conditions.
* @param array $params the parameters to be bound to the query.
*/
public function updateSilent($table, $columns, $condition = '', $params = [])
{
$this->db->createCommand()->update($table, $columns, $condition, $params)->execute();
}
/**
* Creates and executes an INSERT SQL statement without any output
* The method will properly escape the column names, and bind the values to be inserted.
* @param string $table the table that new rows will be inserted into.
* @param array $columns the column data (name => value) to be inserted into the table.
*/
public function insertSilent($table, $columns)
{
$this->db->createCommand()->insert($table, $columns)->execute();
}
/**
* Returns whether this is a completely new installation with an empty database (installation process).
*
* @return bool
* @since 1.8
*/
protected function isInitialInstallation()
{
return (!Setting::isInstalled());
}
/**
* Get data from database dsn config
*
* @since 1.9.3
* @param string $name 'host', 'port', 'dbname'
* @return string|null
*/
private function getDsnAttribute(string $name): ?string
{
return preg_match('/' . preg_quote($name) . '=([^;]*)/', $this->db->dsn, $match)
? $match[1]
: null;
}
}
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