/**
* If we don't already have an associated block then create and attach one (BlockType is the class selector). If we do
* have an associated block then check it is of correct class, if not re-create and relate it as correct Class. It will leave dangling
* blocks.
*
* We do this because initially only a single Block of constrained Class (type) can be created, however doing it this way enables us
* to keep templates clean via Blocks interface and possibly easier change later to more than one block or new block types.
*/
public function onBeforeWrite()
{
// just get the data for this extension when creating blocks.
$blockData = $this()->extendedFieldData();
// block type is either the class of the current block or the BlockTypeField name which is not in the DB but submitted by CMS form.
$blockType = $this->getBlockType();
/** @var Model $block */
if (!($block = $this()->Block())) {
// create a new related block
$block = Model::create($blockType, $blockData);
$this()->BlockID = $block->write();
} else {
if ($block->ClassName != $blockType) {
/** @var Block $newBlock */
$block = $blockType::create($blockData);
// force insert
$this()->BlockID = $block->write(false, true);
// this will leave dangling blocks
} else {
$block->update($blockData);
$block->write();
}
}
}
