/**
* Prepare the tmp table for updates, use the deletion rules for it
*
* @param $objRun
* @return bool
*/
public static function clearTable($objRun)
{
$Database = Database::getInstance();
// perform the deletion rules defined in the converter for every internal target table
foreach ($objRun->targets as $strTarget) {
if (!in_array($strTarget, $objRun->cleared)) {
$objConverter = false;
foreach ($objRun->steps as $intStep) {
$objStep = StepModel::findByPk($intStep);
if ($objStep->action == 'converter' && !$objConverter) {
$objConverter = ConverterModel::findOneBy(array('id=?', 'targetTable=?'), array($objStep->converter, str_replace('cvx_', '', $strTarget)));
}
}
// there are tables not bound on a converter
if (!$objConverter) {
return $strTarget;
} else {
$objConverter->deleteRules = Helper::arrayOnly($objConverter->deleteRules);
$objConverter->fieldsTarget = Helper::arrayOnly($objConverter->fieldsTarget);
$objConverter->fieldsSource = Helper::arrayOnly($objConverter->fieldsSource);
// for updates we need all existent keys of the source and the target table
if ($objConverter->allowUpdate || $objConverter->deleteOnStart != '' && $objConverter->deleteOnStart != 'all') {
// source
$strSource = $objConverter->sourceType == 'InternalTable' ? $objConverter->sourceTable : 'cvx_' . $objConverter->id . '_source';
$objKeys = $Database->prepare("SELECT " . $objConverter->keySource . " FROM " . $strSource)->execute();
$arrSourceKeys = $objKeys->fetchEach($objConverter->keySource);
if ($objConverter->sourceHasFieldnames) {
// seems to be an artefact
// array_shift($arrSourceKeys);
}
// target
$objKeys = $Database->prepare("SELECT " . $objConverter->keyTarget . " FROM " . $strTarget)->execute();
$arrTargetKeys = $objKeys->fetchEach($objConverter->keyTarget);
$objConverter->targetKeys = serialize($arrTargetKeys);
}
$objConverter->save();
$blnOk = true;
// delete all data in target table
if ($objConverter->deleteOnStart == 'all') {
if (!($objDeletion = $Database->prepare("TRUNCATE TABLE " . $strTarget)->execute())) {
$blnOk = false;
}
} elseif ($objConverter->deleteOnStart == 'missing') {
// delete data missing in target, but existing in the source table
if (!($objDeletion = $Database->prepare("DELETE FROM " . $strTarget . " WHERE " . $objConverter->keyTarget . " IN ('" . implode("','", array_diff($arrTargetKeys, $arrSourceKeys)) . "')")->execute())) {
$blnOk = false;
}
} elseif ($objConverter->deleteOnStart == 'existent') {
// delete data already existing in target table
if (!($objDeletion = $Database->prepare("DELETE FROM " . $strTarget . " WHERE " . $objConverter->keyTarget . " IN ('" . implode("','", array_diff($arrTargetKeys, array_diff($arrTargetKeys, $arrSourceKeys))) . "')")->execute())) {
$blnOk = false;
}
}
// delete depending on rules
if ($objConverter->deleteOnRules) {
$strWhere = '';
foreach ($objConverter->deleteRules as $k => $v) {
$strWhere .= ($k > 0 ? ' ' . $v['type'] . ' ' : '') . $v['field'] . ' ';
switch ($v['operator']) {
case 'gteq':
$strWhere .= '>= \'' . addslashes($v['value']) . '\'';
break;
case 'gt':
$strWhere .= '> \'' . addslashes($v['value']) . '\'';
break;
case 'lt':
$strWhere .= '< \'' . addslashes($v['value']) . '\'';
break;
case 'lteq':
$strWhere .= '<= \'' . addslashes($v['value']) . '\'';
break;
case 'begins':
$strWhere .= 'LIKE \'' . addslashes($v['value']) . '%\'';
break;
case 'ends':
$strWhere .= 'LIKE \'%' . addslashes($v['value']) . '\'';
break;
default:
$strWhere .= '= \'' . addslashes($v['value']) . '\'';
break;
}
}
if (!($objDeletion = $Database->prepare("DELETE FROM " . $strTarget . " WHERE " . $strWhere)->execute())) {
$blnOk = false;
}
}
if ($blnOk) {
Tracking::log($objRun->id, $objRun->rootRun, sprintf($GLOBALS['TL_LANG']['tl_convertx_job']['temporaryTargetCleared'], $strTarget), 'entry');
return $strTarget;
} else {
Tracking::log($objRun->id, $objRun->rootRun, sprintf($GLOBALS['TL_LANG']['tl_convertx_job']['temporaryTargetNotCleared'], $strTarget), 'entry', 'error');
return false;
}
}
// fill exactly 1 of the temp source tables at a time
continue;
}
}
}
/**
* Find the internal and external source tables (tmp versions)
*
* @param $intPid
* @return array
*/
public static function findTmpSourceTables($intPid)
{
$objSteps = StepModel::findBy(array('tl_convertx_step.pid=?', 'tl_convertx_step.published=?', 'tl_convertx_step.action=?'), array($intPid, 1, 'converter'));
if (!$objSteps) {
return array();
}
while ($objSteps->next()) {
$objConverter = ConverterModel::findByPk($objSteps->converter);
switch ($objConverter->sourceType) {
case 'InternalTable':
// for internal sources we don't need tmp tables
break;
default:
// tmp tables for external data get a name based on the converter id
$arrSources[] = 'cvx_' . $objConverter->id . '_source';
break;
}
}
return (array) $arrSources;
}
/**
* Do a step
*
* @param $objRun
* @return mixed
*/
public static function doStep($objRun)
{
$objStep = StepModel::findByPk($objRun->step);
// -----------------------------------------
// use the class of the step
$strClass = 'Delahaye\\ConvertX\\Step\\' . ucfirst($objStep->action);
Tracking::log($objRun->id, $objRun->rootRun, sprintf('%s: %s', $GLOBALS['TL_LANG']['tl_convertx_job']['step_' . $objStep->action], $objStep->title));
$objReturn = $strClass::doStep($objRun, $objStep);
if ($objReturn->error) {
Tracking::log($objRun->id, $objRun->rootRun, $objReturn->error, 'entry', 'error', $objReturn->details);
if ($objStep->abortOnError) {
$objReturn->title = $GLOBALS['TL_LANG']['tl_convertx_job']['abortion'];
Tracking::log($objRun->id, $objRun->rootRun, sprintf($GLOBALS['TL_LANG']['tl_convertx_job']['abortionInStep'], $objStep->id, $objStep->action, $objStep->title), 'step', 'error');
return $objReturn;
}
}
return $objReturn;
}
