protected function _generateParentCode()
{
$parentField = DevHelper_Generator_Db::getParentField($this->_dataClass['name'], $this->_dataClass['fields']);
if ($parentField === false) {
// no parent field...
return;
}
if (count($this->_dataClass['primaryKey']) > 1) {
throw new XenForo_Exception(sprintf('Cannot generate parent code for %s: too many fields in primary key', $this->_getClassName()));
}
$idField = reset($this->_dataClass['primaryKey']);
$displayOrderField = false;
$depthField = false;
$lftField = false;
$rgtField = false;
$breadcrumbField = DevHelper_Generator_Db::getBreadcrumbField($this->_dataClass['name'], $this->_dataClass['fields']);
foreach ($this->_dataClass['fields'] as $field) {
if ($field['name'] == 'display_order') {
$displayOrderField = $field['name'];
} elseif ($field['name'] == 'depth') {
$depthField = $field['name'];
} elseif ($field['name'] == 'lft') {
$lftField = $field['name'];
} elseif ($field['name'] == 'rgt') {
$rgtField = $field['name'];
}
}
if (empty($displayOrderField) or empty($depthField) or empty($lftField) or empty($rgtField)) {
// no hierarchy fields
return;
}
$tableName = DevHelper_Generator_Db::getTableName($this->_config, $this->_dataClass['name']);
$getFunctionName = self::generateGetDataFunctionName($this->_addOn, $this->_config, $this->_dataClass);
$variableName = self::getVariableName($this->_addOn, $this->_config, $this->_dataClass);
$variableNamePlural = self::getVariableNamePlural($this->_addOn, $this->_config, $this->_dataClass);
$rebuildStructureFunctionName = self::generateRebuildStructureFunctionName($this->_addOn, $this->_config, $this->_dataClass);
$getStructureChangesFunctionName = '_getStructureChanges';
$groupByParentsFunctionName = self::generateGroupByParentsFunctionName($this->_addOn, $this->_config, $this->_dataClass);
$this->_addMethod($rebuildStructureFunctionName, '', array(), "\n\n\$grouped = \$this->{$groupByParentsFunctionName}(\$this->{$getFunctionName}(array(), array('order' => '{$displayOrderField}')));\n\n\$db = \$this->_getDb();\nXenForo_Db::beginTransaction(\$db);\n\n\$changes = \$this->{$getStructureChangesFunctionName}(\$grouped);\nforeach (\$changes AS \$id => \$oneChanges) {\n \$db->update('{$tableName}', \$oneChanges, '{$idField} = ' . \$db->quote(\$id));\n}\n\nXenForo_Db::commit(\$db);\n\nreturn \$changes;\n\n ");
$titleFieldBreadcrumb = '';
if (!empty($this->_dataClass['title_field']) and !is_array($this->_dataClass['title_field'])) {
$titleFieldBreadcrumb = "\n '{$this->_dataClass['title_field']}' => \${$variableName}['{$this->_dataClass['title_field']}'],";
}
$breadcrumbStatements = '';
if (!empty($breadcrumbField)) {
$breadcrumbStatements = "\n if (\${$variableName}['category_breadcrumb'] != \$serializedBreadcrumb) {";
$breadcrumbStatements .= "\n \$thisChanges['category_breadcrumb'] = \$serializedBreadcrumb;";
$breadcrumbStatements .= "\n }";
}
$this->_addMethod($getStructureChangesFunctionName, 'protected', array('$grouped' => 'array $grouped', '$parentId' => '$parentId = 0', '$depth' => '$depth = 0', '$startPosition' => '$startPosition = 1', 'nextPosition' => '&$nextPosition = 0', '$breadcrumb' => 'array $breadcrumb = array()'), "\n\n\$nextPosition = \$startPosition;\n\nif (!isset(\$grouped[\$parentId])) {\n return array();\n}\n\n\$changes = array();\n\$serializedBreadcrumb = serialize(\$breadcrumb);\n\nforeach (\$grouped[\$parentId] AS \$id => \${$variableName}) {\n \$left = \$nextPosition;\n \$nextPosition++;\n\n \$thisBreadcrumb = \$breadcrumb + array(\n \$id => array(\n '{$idField}' => \$id,{$titleFieldBreadcrumb}\n '{$parentField}' => \${$variableName}['{$parentField}'],\n )\n );\n\n \$changes += \$this->{$getStructureChangesFunctionName}(\n \$grouped,\n \$id,\n \$depth + 1,\n \$nextPosition,\n \$nextPosition,\n \$thisBreadcrumb\n );\n\n \$thisChanges = array();\n if (\${$variableName}['depth'] != \$depth) {\n \$thisChanges['depth'] = \$depth;\n }\n if (\${$variableName}['lft'] != \$left) {\n \$thisChanges['lft'] = \$left;\n }\n if (\${$variableName}['rgt'] != \$nextPosition) {\n \$thisChanges['rgt'] = \$nextPosition;\n }{$breadcrumbStatements}\n\n if (!empty(\$thisChanges)) {\n \$changes[\$id] = \$thisChanges;\n }\n\n \$nextPosition++;\n}\n\nreturn \$changes;\n\n ");
$this->_addMethod($groupByParentsFunctionName, '', array(sprintf('$%s', $variableNamePlural) => sprintf('array $%s', $variableNamePlural)), "\n\n\$grouped = array();\nforeach (\${$variableNamePlural} AS \${$variableName}) {\n \$grouped[\${$variableName}['{$parentField}']][\${$variableName}['{$idField}']] = \${$variableName};\n}\n\nreturn \$grouped;\n\n ");
}