Code Coverage |
||||||||||
Classes and Traits |
Functions and Methods |
Lines |
||||||||
Total | |
0.00% |
0 / 1 |
|
66.67% |
2 / 3 |
CRAP | |
75.81% |
94 / 124 |
schema_generator | |
0.00% |
0 / 1 |
|
66.67% |
2 / 3 |
58.45 | |
75.81% |
94 / 124 |
__construct | |
100.00% |
1 / 1 |
1 | |
100.00% |
8 / 8 |
|||
get_schema | |
0.00% |
0 / 1 |
58.10 | |
72.48% |
79 / 109 |
|||
check_dependencies | |
100.00% |
1 / 1 |
3 | |
100.00% |
7 / 7 |
<?php | |
/** | |
* | |
* This file is part of the phpBB Forum Software package. | |
* | |
* @copyright (c) phpBB Limited <https://www.phpbb.com> | |
* @license GNU General Public License, version 2 (GPL-2.0) | |
* | |
* For full copyright and license information, please see | |
* the docs/CREDITS.txt file. | |
* | |
*/ | |
namespace phpbb\db\migration; | |
/** | |
* The schema generator generates the schema based on the existing migrations | |
*/ | |
class schema_generator | |
{ | |
/** @var \phpbb\config\config */ | |
protected $config; | |
/** @var \phpbb\db\driver\driver_interface */ | |
protected $db; | |
/** @var \phpbb\db\tools\tools_interface */ | |
protected $db_tools; | |
/** @var array */ | |
protected $class_names; | |
/** @var string */ | |
protected $table_prefix; | |
/** @var string */ | |
protected $phpbb_root_path; | |
/** @var string */ | |
protected $php_ext; | |
/** @var array */ | |
protected $tables; | |
/** @var array */ | |
protected $dependencies = array(); | |
/** | |
* Constructor | |
*/ | |
public function __construct(array $class_names, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db, \phpbb\db\tools\tools_interface $db_tools, $phpbb_root_path, $php_ext, $table_prefix) | |
{ | |
$this->config = $config; | |
$this->db = $db; | |
$this->db_tools = $db_tools; | |
$this->class_names = $class_names; | |
$this->phpbb_root_path = $phpbb_root_path; | |
$this->php_ext = $php_ext; | |
$this->table_prefix = $table_prefix; | |
} | |
/** | |
* Loads all migrations and their application state from the database. | |
* | |
* @return array | |
*/ | |
public function get_schema() | |
{ | |
if (!empty($this->tables)) | |
{ | |
return $this->tables; | |
} | |
$migrations = $this->class_names; | |
$tree = array(); | |
$check_dependencies = true; | |
while (!empty($migrations)) | |
{ | |
foreach ($migrations as $key => $migration_class) | |
{ | |
// Unset classes that are not a valid migration | |
if (\phpbb\db\migrator::is_migration($migration_class) === false) | |
{ | |
unset($migrations[$key]); | |
continue; | |
} | |
$open_dependencies = array_diff($migration_class::depends_on(), $tree); | |
if (empty($open_dependencies)) | |
{ | |
$migration = new $migration_class($this->config, $this->db, $this->db_tools, $this->phpbb_root_path, $this->php_ext, $this->table_prefix); | |
$tree[] = $migration_class; | |
$migration_key = array_search($migration_class, $migrations); | |
foreach ($migration->update_schema() as $change_type => $data) | |
{ | |
if ($change_type === 'add_tables') | |
{ | |
foreach ($data as $table => $table_data) | |
{ | |
$this->tables[$table] = $table_data; | |
} | |
} | |
else if ($change_type === 'drop_tables') | |
{ | |
foreach ($data as $table) | |
{ | |
unset($this->tables[$table]); | |
} | |
} | |
else if ($change_type === 'add_columns') | |
{ | |
foreach ($data as $table => $add_columns) | |
{ | |
foreach ($add_columns as $column => $column_data) | |
{ | |
if (isset($column_data['after'])) | |
{ | |
$columns = $this->tables[$table]['COLUMNS']; | |
$offset = array_search($column_data['after'], array_keys($columns)); | |
unset($column_data['after']); | |
if ($offset === false) | |
{ | |
$this->tables[$table]['COLUMNS'][$column] = array_values($column_data); | |
} | |
else | |
{ | |
$this->tables[$table]['COLUMNS'] = array_merge(array_slice($columns, 0, $offset + 1, true), array($column => array_values($column_data)), array_slice($columns, $offset)); | |
} | |
} | |
else | |
{ | |
$this->tables[$table]['COLUMNS'][$column] = $column_data; | |
} | |
} | |
} | |
} | |
else if ($change_type === 'change_columns') | |
{ | |
foreach ($data as $table => $change_columns) | |
{ | |
foreach ($change_columns as $column => $column_data) | |
{ | |
$this->tables[$table]['COLUMNS'][$column] = $column_data; | |
} | |
} | |
} | |
else if ($change_type === 'drop_columns') | |
{ | |
foreach ($data as $table => $drop_columns) | |
{ | |
if (is_array($drop_columns)) | |
{ | |
foreach ($drop_columns as $column) | |
{ | |
unset($this->tables[$table]['COLUMNS'][$column]); | |
} | |
} | |
else | |
{ | |
unset($this->tables[$table]['COLUMNS'][$drop_columns]); | |
} | |
} | |
} | |
else if ($change_type === 'add_unique_index') | |
{ | |
foreach ($data as $table => $add_index) | |
{ | |
foreach ($add_index as $key => $index_data) | |
{ | |
$this->tables[$table]['KEYS'][$key] = array('UNIQUE', $index_data); | |
} | |
} | |
} | |
else if ($change_type === 'add_index') | |
{ | |
foreach ($data as $table => $add_index) | |
{ | |
foreach ($add_index as $key => $index_data) | |
{ | |
$this->tables[$table]['KEYS'][$key] = array('INDEX', $index_data); | |
} | |
} | |
} | |
else if ($change_type === 'drop_keys') | |
{ | |
foreach ($data as $table => $drop_keys) | |
{ | |
foreach ($drop_keys as $key) | |
{ | |
unset($this->tables[$table]['KEYS'][$key]); | |
} | |
} | |
} | |
else | |
{ | |
var_dump($change_type); | |
} | |
} | |
unset($migrations[$migration_key]); | |
} | |
else if ($check_dependencies) | |
{ | |
$this->dependencies = array_merge($this->dependencies, $open_dependencies); | |
} | |
} | |
// Only run this check after the first run | |
if ($check_dependencies) | |
{ | |
$this->check_dependencies(); | |
$check_dependencies = false; | |
} | |
} | |
ksort($this->tables); | |
return $this->tables; | |
} | |
/** | |
* Check if one of the migrations files' dependencies can't be resolved | |
* by the supplied list of migrations | |
* | |
* @throws \UnexpectedValueException If a dependency can't be resolved | |
*/ | |
protected function check_dependencies() | |
{ | |
// Strip duplicate values from array | |
$this->dependencies = array_unique($this->dependencies); | |
foreach ($this->dependencies as $dependency) | |
{ | |
if (!in_array($dependency, $this->class_names)) | |
{ | |
throw new \UnexpectedValueException("Unable to resolve the dependency '$dependency'"); | |
} | |
} | |
} | |
} |