/**
* @param CommitMessage $commitMessage
* @return ChangeInfoEnvelope
*/
public function parse(CommitMessage $commitMessage)
{
$fullBody = $commitMessage->getBody();
$splittedBodies = explode("\n\n", $fullBody);
$lastBody = $splittedBodies[count($splittedBodies) - 1];
$changeInfoList = [];
$version = null;
$environment = null;
if (self::containsVersion($lastBody)) {
$version = self::extractTag(ChangeInfoEnvelope::VP_VERSION_TAG, $lastBody);
$environment = self::extractTag(ChangeInfoEnvelope::VP_ENVIRONMENT_TAG, $lastBody);
array_pop($splittedBodies);
}
if (!self::isTrackedChangeInfo($fullBody)) {
return new ChangeInfoEnvelope([new UntrackedChangeInfo($commitMessage)], $version, $environment);
}
foreach ($splittedBodies as $body) {
$partialCommitMessage = new CommitMessage("", $body);
$actionTag = $partialCommitMessage->getVersionPressTag(TrackedChangeInfo::ACTION_TAG);
list($scope, $action, $id) = array_pad(explode('/', $actionTag, 3), 3, null);
$tags = $partialCommitMessage->getVersionPressTags();
unset($tags[TrackedChangeInfo::ACTION_TAG]);
$actionsInfo = $this->actionsInfoProvider->getActionsInfo($scope);
if ($this->dbSchema->isEntity($scope)) {
$entityInfo = $this->dbSchema->getEntityInfo($scope);
$changeInfoList[] = new EntityChangeInfo($entityInfo, $actionsInfo, $action, $id, $tags, []);
} else {
$changeInfoList[] = new TrackedChangeInfo($scope, $actionsInfo, $action, $id, $tags, []);
}
}
return new ChangeInfoEnvelope($changeInfoList, $version, $environment);
}
public function createEntityChangeInfo($entity, $entityName, $action, $customTags = [], $customFiles = [])
{
$entityInfo = $this->dbSchema->getEntityInfo($entityName);
$vpid = $entity[$entityInfo->vpidColumnName];
$actionsInfo = $this->actionsInfoProvider->getActionsInfo($entityName);
$automaticallySavedTags = $actionsInfo->getTags();
$tags = ChangeInfoUtils::extractTags($automaticallySavedTags, $entity, $entity);
$tags = array_merge($tags, $customTags);
return new EntityChangeInfo($entityInfo, $actionsInfo, $action, $vpid, $tags, $customFiles);
}
/**
* @test
*/
public function dbSchemaInfoMergesReferencesFromMultipleSources()
{
$schema1 = ['some-entity' => ['id' => 'some_column', 'value-references' => ['some_column@another_column' => ['some_value' => 'another-entity']]]];
$schema2 = ['some-entity' => ['value-references' => ['some_column@another_column' => ['another_value' => 'another-entity']]]];
$schemaFile1 = $this->createSchemaFile($schema1);
$schemaFile2 = $this->createSchemaFile($schema2);
$schemaInfo = new DbSchemaInfo([$schemaFile1, $schemaFile2], 'prefix_', PHP_INT_MAX);
$entityInfo = $schemaInfo->getEntityInfo('some-entity');
$expectedValueReferences = ['some_column=some_value@another_column' => 'another-entity', 'some_column=another_value@another_column' => 'another-entity'];
$this->assertSame($expectedValueReferences, $entityInfo->valueReferences);
}
/**
* Returns name of column referencing synchronized entity in the junction table.
* Example:
* We are synchronizing posts with M:N reference to the taxonomies. The reference is defined
* as term_relationships.term_taxonomy_id => term_taxonomy. Name of column referencing term_taxonomy is obvious,
* it's term_taxonomy_id. However we need also name of column referencing the post. We can find this name
* in the definition of M:N references of term_taxonomy, where it's defined as term_relationships.object_id => post.
* So in the end we are looking for M:N reference to post with same junction table (term_relationships).
*
* @param DbSchemaInfo $dbSchema
* @param $sourceEntity
* @param $targetEntity
* @param $junctionTable
* @return string
*/
private static function getSourceColumn(DbSchemaInfo $dbSchema, $sourceEntity, $targetEntity, $junctionTable)
{
$targetEntityMnReferences = $dbSchema->getEntityInfo($targetEntity)->mnReferences;
foreach ($targetEntityMnReferences as $reference => $referencedEntity) {
list($referencedTable, $referenceColumn) = explode(".", $reference);
if ($referencedTable === $junctionTable && $referencedEntity === $sourceEntity) {
return $referenceColumn;
}
}
return null;
}
private function fillId($entityName, $data, $id)
{
$idColumnName = $this->schemaInfo->getEntityInfo($entityName)->idColumnName;
if (!isset($data[$idColumnName])) {
$data[$idColumnName] = $id;
}
return $data;
}
/**
* @param $entityName
* @return mixed
*/
private function getEntitiesFromDatabase($entityName)
{
if ($this->dbSchema->isChildEntity($entityName)) {
$entityInfo = $this->dbSchema->getEntityInfo($entityName);
$parentReference = $entityInfo->parentReference;
return $this->database->get_results("SELECT * FROM {$this->dbSchema->getPrefixedTableName($entityName)} ORDER BY {$parentReference}", ARRAY_A);
}
return $this->database->get_results("SELECT * FROM {$this->dbSchema->getPrefixedTableName($entityName)}", ARRAY_A);
}
private function countEntities()
{
$entities = $this->schema->getAllEntityNames();
$totalEntitiesCount = 0;
foreach ($entities as $entity) {
$table = $this->schema->getPrefixedTableName($entity);
$totalEntitiesCount += $this->database->get_var("SELECT COUNT(*) FROM {$table}");
}
return $totalEntitiesCount;
}
private function fillParentId($metaEntityName, $where, $id)
{
$entityInfo = $this->dbSchemaInfo->getEntityInfo($metaEntityName);
$parentReference = $entityInfo->parentReference;
$parent = $entityInfo->references[$parentReference];
$vpIdTable = $this->dbSchemaInfo->getPrefixedTableName('vp_id');
$entityTable = $this->dbSchemaInfo->getPrefixedTableName($metaEntityName);
$parentTable = $this->dbSchemaInfo->getTableName($parent);
$idColumnName = $this->dbSchemaInfo->getEntityInfo($metaEntityName)->idColumnName;
$where["vp_{$parentReference}"] = $this->database->get_var("SELECT HEX(vp_id) FROM {$vpIdTable} WHERE `table` = '{$parentTable}' AND ID = (SELECT {$parentReference} FROM {$entityTable} WHERE {$idColumnName} = {$id})");
return $where;
}
/**
* For standard entities just checks the storage.
* For child entities (like postmeta) loads all entities and checks them.
*
* @param $referencedEntityName
* @param $referencedEntityId
* @param $maybeParentId
* @return bool
*/
private function entityExists($referencedEntityName, $referencedEntityId, $maybeParentId)
{
if (!$this->dbSchemaInfo->isChildEntity($referencedEntityName)) {
return $this->storageFactory->getStorage($referencedEntityName)->exists($referencedEntityId, null);
}
// Optimalization for child entities saved within their parents
if ($this->storageFactory->getStorage($referencedEntityName)->exists($referencedEntityId, $maybeParentId)) {
return true;
}
$allEntities = $this->storageFactory->getStorage($referencedEntityName)->loadAll();
return isset($allEntities[$referencedEntityId]);
}
/**
* Determines sequence in which entities should be synchronized.
* It's based on their dependencies on other entities.
*
* @return array
*/
private function resolveSynchronizationSequence()
{
$unresolved = $this->dbSchema->getAllReferences();
$sequence = [];
$triedRemovingSelfReferences = false;
while (count($unresolved) > 0) {
$resolvedInThisStep = [];
// 1st step - move all entities with resolved dependencies to $sequence
foreach ($unresolved as $entity => $deps) {
if (count($deps) === 0) {
unset($unresolved[$entity]);
$sequence[] = $entity;
$resolvedInThisStep[] = $entity;
}
}
// 2nd step - update unresolved dependencies of remaining entities
foreach ($resolvedInThisStep as $resolvedEntity) {
foreach ($unresolved as $unresolvedEntity => $deps) {
$unresolved[$unresolvedEntity] = array_diff($deps, [$resolvedEntity]);
}
}
// Nothing changed - circular dependency
if (count($resolvedInThisStep) === 0) {
if (!$triedRemovingSelfReferences) {
// At first try to remove all self-references as they have to run in 2-pass sync anyway
$triedRemovingSelfReferences = true;
foreach ($unresolved as $unresolvedEntity => $deps) {
$unresolved[$unresolvedEntity] = array_diff($deps, [$unresolvedEntity]);
}
} else {
// Simply eliminate dependencies one by one until it is resolvable
reset($unresolved);
$firstEntity = key($unresolved);
array_pop($unresolved[$firstEntity]);
}
}
}
return $sequence;
}
private function maybeRestoreReference($option)
{
$entityInfo = $this->dbSchema->getEntityInfo('option');
foreach ($entityInfo->valueReferences as $reference => $targetEntity) {
$referenceDetails = ReferenceUtils::getValueReferenceDetails($reference);
if ($option[$referenceDetails['source-column']] === $referenceDetails['source-value'] && isset($option[$referenceDetails['value-column']])) {
$vpid = $option[$referenceDetails['value-column']];
$vpidTable = $this->dbSchema->getPrefixedTableName('vp_id');
$targetTable = $this->dbSchema->getTableName($targetEntity);
$dbId = $this->database->get_var("SELECT id FROM {$vpidTable} WHERE `table`='{$targetTable}' AND vp_id=UNHEX('{$vpid}')");
$option[$referenceDetails['value-column']] = $dbId;
}
}
return $option;
}
/**
* @param $entities
* @return array
*/
private function getExistingMnReferences($entities)
{
$entityInfo = $this->dbSchema->getEntityInfo($this->entityName);
$mnReferences = $entityInfo->mnReferences;
$referencesToFix = array();
foreach ($entities as $entity) {
foreach ($mnReferences as $reference => $referencedEntity) {
$vpReference = "vp_{$referencedEntity}";
if (!isset($entity[$vpReference]) || count($entity[$vpReference]) == 0) {
continue;
}
foreach ($entity[$vpReference] as $referencedVpId) {
$referencesToFix[$reference][] = array('vp_id' => $entity['vp_id'], 'referenced_vp_id' => $referencedVpId);
}
}
}
return $referencesToFix;
}
/**
* Saves all already existing meta and M:N references for an entity that wasn't tracked yet
*
* @param array $data
* @param string $entityName
*/
private function storeRelatedEntities($data, $entityName)
{
$id = $data[$this->dbSchemaInfo->getEntityInfo($entityName)->idColumnName];
foreach ($this->dbSchemaInfo->getAllEntityNames() as $referencedEntityName) {
$entityInfo = $this->dbSchemaInfo->getEntityInfo($referencedEntityName);
if ($this->dbSchemaInfo->isChildEntity($referencedEntityName) && $entityInfo->references[$entityInfo->parentReference] === $entityName) {
$childEntities = $this->database->get_results("SELECT * FROM {$this->dbSchemaInfo->getPrefixedTableName($referencedEntityName)} WHERE `{$entityInfo->parentReference}` = '{$id}'", ARRAY_A);
foreach ($childEntities as $childEntity) {
$childEntity = $this->vpidRepository->replaceForeignKeysWithReferences($referencedEntityName, $childEntity);
if (!$this->mirror->shouldBeSaved($referencedEntityName, $childEntity)) {
continue;
}
$id = $childEntity[$entityInfo->idColumnName];
$vpid = $this->vpidRepository->getVpidForEntity($referencedEntityName, $id);
if ($vpid) {
$childEntity[$entityInfo->vpidColumnName] = $vpid;
} else {
$childEntity = $this->vpidRepository->identifyEntity($referencedEntityName, $childEntity, $childEntity[$entityInfo->idColumnName]);
}
$childEntity = $this->shortcodesReplacer->replaceShortcodesInEntity($referencedEntityName, $childEntity);
$this->mirror->save($referencedEntityName, $childEntity);
}
}
}
foreach ($this->dbSchemaInfo->getAllMnReferences() as $mnReferenceDetails) {
if ($mnReferenceDetails['source-entity'] === $entityName) {
$junctionTable = $mnReferenceDetails['junction-table'];
$prefixedJunctionTable = $this->dbSchemaInfo->getPrefixedTableName($junctionTable);
$sourceColumn = $mnReferenceDetails['source-column'];
$references = $this->database->get_results("SELECT * FROM `{$prefixedJunctionTable}` WHERE `{$sourceColumn}` = '{$id}'", ARRAY_A);
foreach ($references as $reference) {
$reference = $this->vpidRepository->replaceForeignKeysWithReferences($junctionTable, $reference);
$this->mirror->save($junctionTable, $reference);
}
}
}
}
/**
* Returns entity name for a table
*
* @param DbSchemaInfo $schema
* @param string $table
* @return mixed
*/
private function resolveEntityName($schema, $table)
{
$entity = $schema->getEntityInfoByPrefixedTableName($table);
return $entity == null ? $schema->trimPrefix($table) : $entity->entityName;
}
function vp_update_table_ddl_scripts(DbSchemaInfo $dbSchemaInfo, TableSchemaStorage $tableSchemaStorage)
{
$tableSchemaStorage->deleteAll();
$entityNames = $dbSchemaInfo->getAllEntityNames();
foreach ($entityNames as $entityName) {
$table = $dbSchemaInfo->getPrefixedTableName($entityName);
$tableSchemaStorage->saveSchema($table);
}
$referenceDetails = $dbSchemaInfo->getAllMnReferences();
foreach ($referenceDetails as $referenceDetail) {
$table = $dbSchemaInfo->getPrefixedTableName($referenceDetail['junction-table']);
$tableSchemaStorage->saveSchema($table);
}
}
private function adjustSynchronizationSequenceToDbVersion()
{
$allSupportedEntities = $this->dbSchema->getAllEntityNames();
$this->synchronizationSequence = array_intersect($this->synchronizationSequence, $allSupportedEntities);
}
private static function isInIdMap($idMap, $targetEntity, $id)
{
return isset($idMap[self::$schemaInfo->getTableName($targetEntity)]) && isset($idMap[self::$schemaInfo->getTableName($targetEntity)][$id]);
}
