silverstripe-userforms/code/model/recipients/UserDefinedForm_EmailRecipientCondition.php

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<?php
/**
* Declares a condition that determines whether an email can be sent to a given recipient
*
* @method UserDefinedForm_EmailRecipient Parent()
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*/
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class UserDefinedForm_EmailRecipientCondition extends DataObject
{
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/**
* List of options
*
* @config
* @var array
*/
private static $condition_options = array(
"IsBlank" => "Is blank",
"IsNotBlank" => "Is not blank",
"Equals" => "Equals",
"NotEquals" => "Doesn't equal"
);
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private static $db = array(
'ConditionOption' => 'Enum("IsBlank,IsNotBlank,Equals,NotEquals")',
'ConditionValue' => 'Varchar'
);
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private static $has_one = array(
'Parent' => 'UserDefinedForm_EmailRecipient',
'ConditionField' => 'EditableFormField'
);
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/**
* Determine if this rule matches the given condition
*
* @param array $data
* @param Form $form
* @return bool
*/
public function matches($data, $form)
{
$fieldName = $this->ConditionField()->Name;
$fieldValue = isset($data[$fieldName]) ? $data[$fieldName] : null;
switch ($this->ConditionOption) {
case 'IsBlank':
return empty($fieldValue);
case 'IsNotBlank':
return !empty($fieldValue);
default:
$matches = is_array($fieldValue)
? in_array($this->ConditionValue, $fieldValue)
: $this->ConditionValue === (string) $fieldValue;
return ($this->ConditionOption === 'Equals') === (bool)$matches;
}
}
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/**
* Return whether a user can create an object of this type
*
* @param Member $member
* @param array $context Virtual parameter to allow context to be passed in to check
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* @return bool
*/
public function canCreate($member = null)
{
// Check parent page
$parent = $this->getCanCreateContext(func_get_args());
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if ($parent) {
return $parent->canEdit($member);
}
// Fall back to secure admin permissions
return parent::canCreate($member);
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}
/**
* Helper method to check the parent for this object
*
* @param array $args List of arguments passed to canCreate
* @return SiteTree Parent page instance
*/
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protected function getCanCreateContext($args)
{
// Inspect second parameter to canCreate for a 'Parent' context
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if (isset($args[1]['Parent'])) {
return $args[1]['Parent'];
}
// Hack in currently edited page if context is missing
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if (Controller::has_curr() && Controller::curr() instanceof CMSMain) {
return Controller::curr()->currentPage();
}
// No page being edited
return null;
}
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/**
* @param Member
*
* @return boolean
*/
public function canView($member = null)
{
return $this->Parent()->canView($member);
}
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/**
* @param Member
*
* @return boolean
*/
public function canEdit($member = null)
{
return $this->Parent()->canEdit($member);
}
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/**
* @param Member
*
* @return boolean
*/
public function canDelete($member = null)
{
return $this->canEdit($member);
}
}