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BUG Renable the ability to do dynamic assignment with DBField

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This commit is contained in:
Maxime Rainville 2019-02-22 12:09:15 +13:00
parent ab5f09a9f3
commit 4ec1a682cf
6 changed files with 180 additions and 11 deletions
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6
model/DataObject.php
View File

@ -1362,8 +1362,11 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
if (!isset($tableManipulation['fields'])) {
continue;
}
foreach ($tableManipulation['fields'] as $fieldValue) {
foreach ($tableManipulation['fields'] as $fieldName => $fieldValue) {
if (is_array($fieldValue)) {
$dbObject = $this->dbObject($fieldName);
// If the field allows non-scalar values we'll let it do dynamic assignments
if ($dbObject && $dbObject->scalarValueOnly()) {
user_error(
'DataObject::writeManipulation: parameterised field assignments are disallowed',
E_USER_ERROR
@ -1371,6 +1374,7 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
}
}
}
}
// Perform the manipulation
DB::manipulate($manipulation);

10
model/ManyManyList.php
View File

@ -254,8 +254,10 @@ class ManyManyList extends RelationList {
);
}
/** @var DBField[] $fieldObjects */
$fieldObjects = array();
if($extraFields && $this->extraFields) {
// Write extra field to manipluation in the same way
// Write extra field to manipulation in the same way
// that DataObject::prepareManipulationTable writes fields
foreach($this->extraFields as $fieldName => $fieldSpec) {
// Skip fields without an assignment
@ -263,6 +265,7 @@ class ManyManyList extends RelationList {
$fieldObject = Object::create_from_string($fieldSpec, $fieldName);
$fieldObject->setValue($extraFields[$fieldName]);
$fieldObject->writeToManipulation($manipulation[$this->joinTable]);
$fieldObjects[$fieldName] = $fieldObject;
}
}
}
@ -275,14 +278,17 @@ class ManyManyList extends RelationList {
if (!isset($tableManipulation['fields'])) {
continue;
}
foreach ($tableManipulation['fields'] as $fieldValue) {
foreach ($tableManipulation['fields'] as $fieldName => $fieldValue) {
if (is_array($fieldValue)) {
// If the field allows non-scalar values we'll let it do dynamic assignments
if (isset($fieldObjects[$fieldName]) && $fieldObjects[$fieldName]->scalarValueOnly()) {
user_error(
'ManyManyList::add: parameterised field assignments are disallowed',
E_USER_ERROR
);
}
}
}
}
DB::manipulate($manipulation);

31
tests/model/DataObjectTest.php
View File

@ -32,6 +32,7 @@ class DataObjectTest extends SapphireTest {
'DataObjectTest_Sortable',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
'MockDynamicAssignmentDataObject'
);
/**
@ -1773,6 +1774,36 @@ class DataObjectTest extends SapphireTest {
$this->assertNotEmpty($do->CompositeMoneyField);
}
public function testWriteManipulationWithNonScalarValuesAllowed()
{
$do = MockDynamicAssignmentDataObject::create();
$do->write();
$do->StaticScalarOnlyField = true;
$do->DynamicScalarOnlyField = false;
$do->DynamicField = true;
$do->write();
$this->assertEquals(1, $do->StaticScalarOnlyField);
$this->assertEquals(0, $do->DynamicScalarOnlyField);
$this->assertEquals(1, $do->DynamicField);
}
public function testWriteManipulationWithNonScalarValuesDisallowed()
{
$do = MockDynamicAssignmentDataObject::create();
$do->write();
$do->StaticScalarOnlyField = false;
$do->DynamicScalarOnlyField = true;
$do->DynamicField = false;
try {
$do->write();
$this->fail("Expected exception \"parameterised field assignments are disallowed\"");
} catch (Exception $ex) {
$this->assertContains('parameterised field assignments are disallowed', $ex->getMessage());
}
}
}
class DataObjectTest_Sortable extends DataObject implements TestOnly {

35
tests/model/ManyManyListTest.php
View File

@ -21,6 +21,7 @@ class ManyManyListTest extends SapphireTest {
'ManyManyListTest_ExtraFields',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
'MockDynamicAssignmentDataObject',
);
@ -306,7 +307,41 @@ class ManyManyListTest extends SapphireTest {
$this->assertEquals(1, $productsRelatedToProductB->count());
}
public function testWriteManipulationWithNonScalarValuesAllowed()
{
$left = MockDynamicAssignmentDataObject::create();
$left->write();
$right = MockDynamicAssignmentDataObject::create();
$right->write();
$left->MockManyMany()->add($right, array(
'ManyManyStaticScalarOnlyField' => true,
'ManyManyDynamicScalarOnlyField' => false,
'ManyManyDynamicField' => true
));
$pivot = $left->MockManyMany()->first();
$this->assertEquals(1, $pivot->ManyManyStaticScalarOnlyField);
$this->assertEquals(0, $pivot->ManyManyDynamicScalarOnlyField);
$this->assertEquals(1, $pivot->ManyManyDynamicField);
}
public function testWriteManipulationWithNonScalarValuesDisallowed()
{
$left = MockDynamicAssignmentDataObject::create();
$left->write();
$right = MockDynamicAssignmentDataObject::create();
$right->write();
try {
$left->MockManyMany()->add($right, array(
'ManyManyStaticScalarOnlyField' => true,
'ManyManyDynamicScalarOnlyField' => false,
'ManyManyDynamicField' => true
));
$this->fail("Expected exception \"parameterised field assignments are disallowed\"");
} catch (Exception $ex) {
$this->assertContains('parameterised field assignments are disallowed', $ex->getMessage());
}
}
}
/**

49
tests/model/Mock/MockDynamicAssignmentDBField.php Normal file
View File

@ -0,0 +1,49 @@
<?php
/**
* This is a fake DB field specifically design to test dynamic value assignment. You can set `scalarValueOnly` in
* the constructor. You can control whetever the field will try to do a dynamic assignment by specifing
* `$dynamicAssignment` in nthe consturctor.
*
* If the field is set to false, it will try to do a plain assignment. This is so you can save the initial value no
* matter what. If the field is set to true, it will try to do a dynamic assignment.
*/
class MockDynamicAssignmentDBField extends Boolean
{
private $scalarOnly;
private $dynamicAssignment;
/**
* @param $name
* @param boolean $scalarOnly Whether our fake field should be scalar only.
* @param boolean $dynamicAssignment Whether our fake field will try to do a dynamic assignment.
*/
public function __construct($name = '', $scalarOnly = false, $dynamicAssignment = false)
{
$this->scalarOnly = $scalarOnly;
$this->dynamicAssignment = $dynamicAssignment;
parent::__construct($name);
}
/**
* If the field value and dynamicAssignment are true, we'll try to do a dynamic assignment
* @param $value
* @return array|int|mixed
*/
public function prepValueForDB($value)
{
if ($value) {
return $this->dynamicAssignment
? array('GREATEST(?, ?)' => array(0, 1))
: 1;
}
return 0;
}
public function scalarValueOnly()
{
return $this->scalarOnly;
}
}

44
tests/model/Mock/MockDynamicAssignmentDataObject.php Normal file
View File

@ -0,0 +1,44 @@
<?php
/**
* This is a fake DB field specifically design to test dynamic value assignment
* @property boolean $StaticScalarOnlyField
* @property boolean $DynamicScalarOnlyField
* @property boolean $DynamicField
* @method ManyManyList MockManyMany
*/
class MockDynamicAssignmentDataObject extends DataObject implements TestOnly
{
private static $db = array(
// This field only emits scalar value and will save
'StaticScalarOnlyField' => 'MockDynamicAssignmentDBField(1,0)',
// This field tries to emit dynamic assignment but will fail because of scalar only
'DynamicScalarOnlyField' => 'MockDynamicAssignmentDBField(1,1)',
// This field does dynamic assignment and will pass
'DynamicField' => 'MockDynamicAssignmentDBField(0,1)',
);
private static $many_many = array(
"MockManyMany" => 'MockDynamicAssignmentDataObject'
);
private static $belongs_many_many = array(
"MockBelongsManyMany" => 'MockDynamicAssignmentDataObject'
);
private static $many_many_extraFields = array(
'MockManyMany' => array(
// This field only emits scalar value and will save
'ManyManyStaticScalarOnlyField' => 'MockDynamicAssignmentDBField(1,0)',
// This field tries to emit dynamic assignment but will fail because of scalar only
'ManyManyDynamicScalarOnlyField' => 'MockDynamicAssignmentDBField(1,1)',
// This field does dynamic assignment and will pass
'ManyManyDynamicField' => 'MockDynamicAssignmentDBField(0,1)',
)
);
}