silverstripe-userforms/code/Model/Recipient/EmailRecipientCondition.php

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<?php
namespace SilverStripe\UserForms\Model\Recipient;
use LogicException;
use SilverStripe\CMS\Controllers\CMSMain;
use SilverStripe\Control\Controller;
use SilverStripe\ORM\DataObject;
use SilverStripe\UserForms\Model\Recipient\EmailRecipient;
use SilverStripe\UserForms\Model\EditableFormField\EditableFormField;
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/**
* Declares a condition that determines whether an email can be sent to a given recipient
*
* @method EmailRecipient Parent()
*
* @property Enum ConditionOption
* @property Varchar ConditionValue
*
* @method EditableFormField ConditionField
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*/
class EmailRecipientCondition extends DataObject
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{
/**
* List of options
*
* @config
* @var array
*/
private static $condition_options = [
'IsBlank' => 'Is blank',
'IsNotBlank' => 'Is not blank',
'Equals' => 'Equals',
'NotEquals' => "Doesn't equal",
'ValueLessThan' => 'Less than',
'ValueLessThanEqual' => 'Less than or equal',
'ValueGreaterThan' => 'Greater than',
'ValueGreaterThanEqual' => 'Greater than or equal'
];
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private static $db = [
'ConditionOption' => 'Enum("IsBlank,IsNotBlank,Equals,NotEquals,ValueLessThan,ValueLessThanEqual,ValueGreaterThan,ValueGreaterThanEqual")',
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'ConditionValue' => 'Varchar'
];
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private static $has_one = [
'Parent' => EmailRecipient::class,
'ConditionField' => EditableFormField::class
];
private static $table_name = 'UserDefinedForm_EmailRecipientCondition';
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/**
*
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* Determine if this rule matches the given condition
*
* @param $data
*
* @return bool|null
* @throws LogicException
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*/
public function matches($data)
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{
$fieldName = $this->ConditionField()->Name;
$fieldValue = isset($data[$fieldName]) ? $data[$fieldName] : null;
$conditionValue = $this->ConditionValue;
$result = null;
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switch ($this->ConditionOption) {
case 'IsBlank':
$result = empty($fieldValue);
break;
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case 'IsNotBlank':
$result = !empty($fieldValue);
break;
case 'ValueLessThan':
$result = ($fieldValue < $conditionValue);
break;
case 'ValueLessThanEqual':
$result = ($fieldValue <= $conditionValue);
break;
case 'ValueGreaterThan':
$result = ($fieldValue > $conditionValue);
break;
case 'ValueGreaterThanEqual':
$result = ($fieldValue >= $conditionValue);
break;
case 'NotEquals':
case 'Equals':
$result = is_array($fieldValue)
? in_array($conditionValue, $fieldValue)
: $fieldValue == $conditionValue;
if ($this->ConditionOption == 'NotEquals') {
$result = !($result);
}
break;
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default:
throw new LogicException("Unhandled rule {$this->ConditionOption}");
break;
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}
return $result;
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}
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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);
}
}