/**
* Create a new version from a database row
*
* @param array $record
*/
public function __construct($record)
{
$this->record = $record;
$record['ID'] = $record['RecordID'];
$className = $record['ClassName'];
$this->object = ClassInfo::exists($className) ? new $className($record) : new DataObject($record);
$this->failover = $this->object;
parent::__construct();
}
public function testExists()
{
$this->assertTrue(ClassInfo::exists('SilverStripe\\Core\\Object'));
$this->assertTrue(ClassInfo::exists('SilverStripe\\Core\\object'));
$this->assertTrue(ClassInfo::exists('ClassInfoTest'));
$this->assertTrue(ClassInfo::exists('CLASSINFOTEST'));
$this->assertTrue(ClassInfo::exists('stdClass'));
$this->assertTrue(ClassInfo::exists('stdCLASS'));
$this->assertFalse(ClassInfo::exists('SomeNonExistantClass'));
}
/**
* @skipUpgrade
*/
public function testFindClassOrInterfaceFromCandidateImports()
{
$method = new ReflectionMethod($this->manifest, 'findClassOrInterfaceFromCandidateImports');
$method->setAccessible(true);
$this->assertTrue(ClassInfo::exists('silverstripe\\test\\ClassA'));
$this->assertEquals('PermissionProvider', $method->invokeArgs($this->manifest, ['\\PermissionProvider', 'Test\\Namespace', array('TestOnly', 'Controller')]));
$this->assertEquals('PermissionProvider', $method->invokeArgs($this->manifest, array('PermissionProvider', 'Test\\NAmespace', array('PermissionProvider'))));
$this->assertEmpty($method->invokeArgs($this->manifest, array('', 'TextNamespace', array('PermissionProvider'))));
$this->assertEmpty($method->invokeArgs($this->manifest, array('', '', array())));
$this->assertEquals('silverstripe\\test\\ClassA', $method->invokeArgs($this->manifest, array('ClassA', 'Test\\Namespace', array('silverstripe\\test\\ClassA', 'PermissionProvider'))));
$this->assertEquals('ClassA', $method->invokeArgs($this->manifest, array('\\ClassA', 'Test\\Namespace', array('silverstripe\\test'))));
$this->assertEquals('ClassA', $method->invokeArgs($this->manifest, array('ClassA', 'silverstripe\\test', array('\\ClassA'))));
$this->assertEquals('ClassA', $method->invokeArgs($this->manifest, array('Alias', 'silverstripe\\test', array('Alias' => '\\ClassA'))));
$this->assertEquals('silverstripe\\test\\ClassA', $method->invokeArgs($this->manifest, array('ClassA', 'silverstripe\\test', array('silverstripe\\test\\ClassB'))));
}
/**
* Gets name of this class
*
* @return string
*/
public function getClassName()
{
$className = $this->getField("ClassName");
if (!ClassInfo::exists($className)) {
return static::class;
}
return $className;
}
/**
* Return a disabled version of this field.
*
* Tries to find a class of the class name of this field suffixed with "_Disabled", failing
* that, finds a method {@link setDisabled()}.
*
* @return FormField
*/
public function performDisabledTransformation()
{
$disabledClassName = $this->class . '_Disabled';
if (ClassInfo::exists($disabledClassName)) {
$clone = $this->castedCopy($disabledClassName);
} else {
$clone = clone $this;
}
$clone->setDisabled(true);
return $clone;
}
/**
* Matches a URL pattern
* The pattern can contain a number of segments, separated by / (and an extension indicated by a .)
*
* The parts can be either literals, or, if they start with a $ they are interpreted as variables.
* - Literals must be provided in order to match
* - $Variables are optional
* - However, if you put ! at the end of a variable, then it becomes mandatory.
*
* For example:
* - admin/crm/list will match admin/crm/$Action/$ID/$OtherID, but it won't match admin/crm/$Action!/$ClassName!
*
* The pattern can optionally start with an HTTP method and a space. For example, "POST $Controller/$Action".
* This is used to define a rule that only matches on a specific HTTP method.
*
* @param $pattern
* @param bool $shiftOnSuccess
* @return array|bool
*/
public function match($pattern, $shiftOnSuccess = false)
{
// Check if a specific method is required
if (preg_match('/^([A-Za-z]+) +(.*)$/', $pattern, $matches)) {
$requiredMethod = $matches[1];
if ($requiredMethod != $this->httpMethod) {
return false;
}
// If we get this far, we can match the URL pattern as usual.
$pattern = $matches[2];
}
// Special case for the root URL controller
if (!$pattern) {
return $this->dirParts == array() ? array('Matched' => true) : false;
}
// Check for the '//' marker that represents the "shifting point"
$doubleSlashPoint = strpos($pattern, '//');
if ($doubleSlashPoint !== false) {
$shiftCount = substr_count(substr($pattern, 0, $doubleSlashPoint), '/') + 1;
$pattern = str_replace('//', '/', $pattern);
$patternParts = explode('/', $pattern);
} else {
$patternParts = explode('/', $pattern);
$shiftCount = sizeof($patternParts);
}
// Filter out any "empty" matching parts - either from an initial / or a trailing /
$patternParts = array_values(array_filter($patternParts));
$arguments = array();
foreach ($patternParts as $i => $part) {
$part = trim($part);
// Match a variable
if (isset($part[0]) && $part[0] == '$') {
// A variable ending in ! is required
if (substr($part, -1) == '!') {
$varRequired = true;
$varName = substr($part, 1, -1);
} else {
$varRequired = false;
$varName = substr($part, 1);
}
// Fail if a required variable isn't populated
if ($varRequired && !isset($this->dirParts[$i])) {
return false;
}
/** @skipUpgrade */
$key = "Controller";
$arguments[$varName] = isset($this->dirParts[$i]) ? $this->dirParts[$i] : null;
if ($part == '$Controller' && (!ClassInfo::exists($arguments[$key]) || !is_subclass_of($arguments[$key], 'SilverStripe\\Control\\Controller'))) {
return false;
}
// Literal parts with extension
} else {
if (isset($this->dirParts[$i]) && $this->dirParts[$i] . '.' . $this->extension == $part) {
continue;
// Literal parts must always be there
} else {
if (!isset($this->dirParts[$i]) || $this->dirParts[$i] != $part) {
return false;
}
}
}
}
if ($shiftOnSuccess) {
$this->shift($shiftCount);
// We keep track of pattern parts that we looked at but didn't shift off.
// This lets us say that we have *parsed* the whole URL even when we haven't *shifted* it all
$this->unshiftedButParsedParts = sizeof($patternParts) - $shiftCount;
}
$this->latestParams = $arguments;
// Load the arguments that actually have a value into $this->allParams
// This ensures that previous values aren't overridden with blanks
foreach ($arguments as $k => $v) {
if ($v || !isset($this->allParams[$k])) {
$this->allParams[$k] = $v;
}
}
if ($arguments === array()) {
$arguments['_matched'] = true;
}
return $arguments;
}
/**
* Returns true if a class or interface name exists in the manifest.
*
* @param string $class
* @return bool
*/
public function classExists($class)
{
Deprecation::notice('4.0', 'Use ClassInfo::exists.');
return ClassInfo::exists($class);
}
/**
* @return string name of {@see GridFieldDetailForm_ItemRequest} subclass
*/
public function getItemRequestClass()
{
if ($this->itemRequestClass) {
return $this->itemRequestClass;
} else {
if (ClassInfo::exists(get_class($this) . "_ItemRequest")) {
return get_class($this) . "_ItemRequest";
} else {
return __CLASS__ . '_ItemRequest';
}
}
}
/**
* Determine if a class is supporting the Versioned extensions (e.g.
* $table_Versions does exists).
*
* @param string $class Class name
* @return boolean
*/
public function canBeVersioned($class)
{
return ClassInfo::exists($class) && is_subclass_of($class, DataObject::class) && DataObject::getSchema()->classHasTable($class);
}
/**
* Returns false if the prefilterable parts of the rule aren't met, and true if they are
*
* @param $rules array - A hash of rules as allowed in the only or except portion of a config fragment header
* @return bool - True if the rules are met, false if not. (Note that depending on whether we were passed an
* only or an except rule,
* which values means accept or reject a fragment
*/
public function matchesPrefilterVariantRules($rules)
{
$matches = "undefined";
// Needs to be truthy, but not true
foreach ($rules as $k => $v) {
switch (strtolower($k)) {
case 'classexists':
$matches = $matches && ClassInfo::exists($v);
break;
case 'moduleexists':
$matches = $matches && $this->moduleExists($v);
break;
default:
// NOP
}
if ($matches === false) {
return $matches;
}
}
return $matches;
}
/**
* Tries to find the database key on another object that is used to store a
* relationship to this class. If no join field can be found it defaults to 'ParentID'.
*
* If the remote field is polymorphic then $polymorphic is set to true, and the return value
* is in the form 'Relation' instead of 'RelationID', referencing the composite DBField.
*
* @param string $class
* @param string $component Name of the relation on the current object pointing to the
* remote object.
* @param string $type the join type - either 'has_many' or 'belongs_to'
* @param boolean $polymorphic Flag set to true if the remote join field is polymorphic.
* @return string
* @throws Exception
*/
public function getRemoteJoinField($class, $component, $type = 'has_many', &$polymorphic = false)
{
// Extract relation from current object
if ($type === 'has_many') {
$remoteClass = $this->hasManyComponent($class, $component, false);
} else {
$remoteClass = $this->belongsToComponent($class, $component, false);
}
if (empty($remoteClass)) {
throw new Exception("Unknown {$type} component '{$component}' on class '{$class}'");
}
if (!ClassInfo::exists(strtok($remoteClass, '.'))) {
throw new Exception("Class '{$remoteClass}' not found, but used in {$type} component '{$component}' on class '{$class}'");
}
// If presented with an explicit field name (using dot notation) then extract field name
$remoteField = null;
if (strpos($remoteClass, '.') !== false) {
list($remoteClass, $remoteField) = explode('.', $remoteClass);
}
// Reference remote has_one to check against
$remoteRelations = Config::inst()->get($remoteClass, 'has_one');
// Without an explicit field name, attempt to match the first remote field
// with the same type as the current class
if (empty($remoteField)) {
// look for remote has_one joins on this class or any parent classes
$remoteRelationsMap = array_flip($remoteRelations);
foreach (array_reverse(ClassInfo::ancestry($class)) as $class) {
if (array_key_exists($class, $remoteRelationsMap)) {
$remoteField = $remoteRelationsMap[$class];
break;
}
}
}
// In case of an indeterminate remote field show an error
if (empty($remoteField)) {
$polymorphic = false;
$message = "No has_one found on class '{$remoteClass}'";
if ($type == 'has_many') {
// include a hint for has_many that is missing a has_one
$message .= ", the has_many relation from '{$class}' to '{$remoteClass}'";
$message .= " requires a has_one on '{$remoteClass}'";
}
throw new Exception($message);
}
// If given an explicit field name ensure the related class specifies this
if (empty($remoteRelations[$remoteField])) {
throw new Exception("Missing expected has_one named '{$remoteField}'\n\t\t\t\ton class '{$remoteClass}' referenced by {$type} named '{$component}'\n\t\t\t\ton class {$class}");
}
// Inspect resulting found relation
if ($remoteRelations[$remoteField] === DataObject::class) {
$polymorphic = true;
return $remoteField;
// Composite polymorphic field does not include 'ID' suffix
} else {
$polymorphic = false;
return $remoteField . 'ID';
}
}
/**
* Persists the YAML data in a FixtureFactory,
* which in turn saves them into the database.
* Please use the passed in factory to access the fixtures afterwards.
*
* @param FixtureFactory $factory
*/
public function writeInto(FixtureFactory $factory)
{
$parser = new Parser();
if (isset($this->fixtureString)) {
$fixtureContent = $parser->parse($this->fixtureString);
} else {
if (!file_exists($this->fixtureFile)) {
return;
}
$contents = file_get_contents($this->fixtureFile);
$fixtureContent = $parser->parse($contents);
if (!$fixtureContent) {
return;
}
}
foreach ($fixtureContent as $class => $items) {
foreach ($items as $identifier => $data) {
if (ClassInfo::exists($class)) {
$factory->createObject($class, $identifier, $data);
} else {
$factory->createRaw($class, $identifier, $data);
}
}
}
}
/**
* Given a partial class name, attempt to determine the best module to assign strings to.
*
* @param string $class Either a FQN class name, or a non-qualified class name.
* @return string Name of module
*/
protected function findModuleForClass($class)
{
if (ClassInfo::exists($class)) {
return i18n::get_owner_module($class);
}
// If we can't find a class, see if it needs to be fully qualified
if (strpos($class, '\\') !== false) {
return null;
}
// Find FQN that ends with $class
$classes = preg_grep('/' . preg_quote("\\{$class}", '\\/') . '$/i', ClassLoader::instance()->getManifest()->getClassNames());
// Find all modules for candidate classes
$modules = array_unique(array_map(function ($class) {
return i18n::get_owner_module($class);
}, $classes));
if (count($modules) === 1) {
return reset($modules);
}
// Couldn't find it! Exists in none, or multiple modules.
return null;
}
