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[feature/migrations] Revert method completed

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PHPBB3-9737
This commit is contained in:
Nathan Guse 2013-01-10 13:53:09 -06:00
parent 00385aa742
commit dbe71bb170
1 changed files with 41 additions and 33 deletions
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74
phpBB/includes/db/migrator.php
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@ -272,7 +272,7 @@ class phpbb_db_migrator
}
else
{
$result = $this->process_data_step($migration, $state['migration_data_state']);
$result = $this->process_data_step($migration->update_data(), $state['migration_data_state']);
$state['migration_data_state'] = ($result === true) ? '' : $result;
$state['migration_data_done'] = ($result === true);
@ -300,7 +300,7 @@ class phpbb_db_migrator
*/
public function revert($migration)
{
if (!isset($this->migration_state[$name]))
if (!isset($this->migration_state[$migration]))
{
// Not installed
return;
@ -342,35 +342,40 @@ class phpbb_db_migrator
'class' => $migration,
);
// Left off here
if (!isset($this->migration_state[$name]))
if ($state['migration_data_done'])
{
$state['migration_start_time'] = time();
$this->insert_migration($name, $state);
}
if ($state['migration_data_state'] !== 'revert_data')
{
$result = $this->process_data_step($migration->update_data(), $state['migration_data_state'], true);
if (!$state['migration_schema_done'])
{
$this->apply_schema_changes($migration->update_schema());
$state['migration_schema_done'] = true;
$state['migration_data_state'] = ($result === true) ? 'revert_data' : $result;
}
else
{
$result = $this->process_data_step($migration->revert_data(), $state['migration_data_state'], false);
$state['migration_data_state'] = ($result === true) ? '' : $result;
$state['migration_data_done'] = ($result === true) ? false : true;
}
$sql = 'UPDATE ' . $this->migrations_table . '
SET ' . $this->db->sql_build_array('UPDATE', $state) . "
WHERE migration_name = '" . $this->db->sql_escape($name) . "'";
$this->db->sql_query($sql);
$this->migration_state[$name] = $state;
}
else
{
$result = $this->process_data_step($migration, $state['migration_data_state']);
$this->apply_schema_changes($migration->revert_schema());
$state['migration_data_state'] = ($result === true) ? '' : $result;
$state['migration_data_done'] = ($result === true);
$state['migration_end_time'] = ($result === true) ? time() : 0;
$sql = 'DELETE FROM ' . $this->migrations_table . "
WHERE migration_name = '" . $this->db->sql_escape($name) . "'";
$this->db->sql_query($sql);
unset($this->migration_state[$name]);
}
$sql = 'UPDATE ' . $this->migrations_table . '
SET ' . $this->db->sql_build_array('UPDATE', $state) . "
WHERE migration_name = '" . $this->db->sql_escape($name) . "'";
$this->db->sql_query($sql);
$this->migration_state[$name] = $state;
return true;
}
@ -389,23 +394,22 @@ class phpbb_db_migrator
/**
* Process the data step of the migration
*
* @param phpbb_db_migration $migration
* @param array $steps The steps to run
* @param bool|string $state Current state of the migration
* @param bool $revert true to revert a data step
* @return bool|string migration state. True if completed, serialized array if not finished
*/
protected function process_data_step($migration, $state)
protected function process_data_step($steps, $state, $revert = false)
{
$state = ($state) ? unserialize($state) : false;
$steps = $migration->update_data();
foreach ($steps as $step)
foreach ($steps as $step_identifier => $step)
{
$last_result = false;
if ($state)
{
// Continue until we reach the step that matches the last step called
if ($state['step'] != $step)
if ($state['step'] != $step_identifier)
{
continue;
}
@ -420,12 +424,12 @@ class phpbb_db_migrator
try
{
// Result will be null or true if everything completed correctly
$result = $this->run_step($step, $last_result);
$result = $this->run_step($step, $last_result, $revert);
if ($result !== null && $result !== true)
{
return serialize(array(
'result' => $result,
'step' => $step,
'step' => $step_identifier,
));
}
}
@ -435,7 +439,7 @@ class phpbb_db_migrator
foreach ($steps as $reverse_step)
{
// Reverse the step that was run
$result = $this->run_step($step, false, true);
$result = $this->run_step($step, false, !$revert);
// If we've reached the current step we can break because we reversed everything that was run
if ($reverse_step === $step)
@ -557,9 +561,11 @@ class phpbb_db_migrator
// Attempt to reverse operations
if ($reverse)
{
array_unshift($parameters, $method);
return array(
array($this->tools[$class], 'reverse'),
array_unshift($parameters, $method),
$parameters,
);
}
@ -665,6 +671,8 @@ class phpbb_db_migrator
{
return true;
}
return false;
}
/**