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Merge pull request #8453 from sminnee/less-original

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FIX: Update “original” DataObject data to be the content of the last write
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Loz Calver 2018-11-06 10:46:11 +01:00 committed by GitHub
commit 0e492b0017
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4 changed files with 137 additions and 33 deletions
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87
src/ORM/DataObject.php
View File

@ -188,14 +188,23 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
*
* @var array
*/
private $changed;
private $changed = [];
/**
* A flag to indicate that a "strict" change of the entire record been forced
* Use {@link getChangedFields()} and {@link isChanged()} to inspect
* the changed state.
*
* @var boolean
*/
private $changeForced = false;
/**
* The database record (in the same format as $record), before
* any changes.
* @var array
*/
protected $original;
protected $original = [];
/**
* Used by onBeforeDelete() to ensure child classes call parent::onBeforeDelete()
@ -387,7 +396,8 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
}
// prevent populateDefaults() and setField() from marking overwritten defaults as changed
$this->changed = array();
$this->changed = [];
$this->changeForced = false;
}
/**
@ -1107,8 +1117,9 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
/**
* Forces the record to think that all its data has changed.
* Doesn't write to the database. Only sets fields as changed
* if they are not already marked as changed.
* Doesn't write to the database. Force-change preseved until
* next write. Existing CHANGE_VALUE or CHANGE_STRICT values
* are preserved.
*
* @return $this
*/
@ -1116,28 +1127,16 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
{
// Ensure lazy fields loaded
$this->loadLazyFields();
$fields = static::getSchema()->fieldSpecs(static::class);
// $this->record might not contain the blank values so we loop on $this->inheritedDatabaseFields() as well
$fieldNames = array_unique(array_merge(
array_keys($this->record),
array_keys($fields)
));
foreach ($fieldNames as $fieldName) {
if (!isset($this->changed[$fieldName])) {
$this->changed[$fieldName] = self::CHANGE_STRICT;
}
// Populate the null values in record so that they actually get written
// Populate the null values in record so that they actually get written
foreach (array_keys(static::getSchema()->fieldSpecs(static::class)) as $fieldName) {
if (!isset($this->record[$fieldName])) {
$this->record[$fieldName] = null;
}
}
// @todo Find better way to allow versioned to write a new version after forceChange
if ($this->isChanged('Version')) {
unset($this->changed['Version']);
}
$this->changeForced = true;
return $this;
}
@ -1374,11 +1373,13 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
$table = $schema->tableName($class);
$manipulation[$table] = array();
$changed = $this->getChangedFields();
// Extract records for this table
foreach ($this->record as $fieldName => $fieldValue) {
// we're not attempting to reset the BaseTable->ID
// Ignore unchanged fields or attempts to reset the BaseTable->ID
if (empty($this->changed[$fieldName]) || ($table === $baseTable && $fieldName === 'ID')) {
if (empty($changed[$fieldName]) || ($table === $baseTable && $fieldName === 'ID')) {
continue;
}
@ -1520,7 +1521,12 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
// If there's any relations that couldn't be saved before, save them now (we have an ID here)
$this->writeRelations();
$this->onAfterWrite();
$this->changed = array();
// Reset isChanged data
// DBComposites properly bound to the parent record will also have their isChanged value reset
$this->changed = [];
$this->changeForced = false;
$this->original = $this->record;
} else {
if ($showDebug) {
Debug::message("no changes for DataObject");
@ -2487,7 +2493,7 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
}
/**
* Return the fields that have changed.
* Return the fields that have changed since the last write.
*
* The change level affects what the functions defines as "changed":
* - Level CHANGE_STRICT (integer 1) will return strict changes, even !== ones.
@ -2521,13 +2527,25 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
}
}
// If change was forced, then derive change data from $this->record
if ($this->changeForced && $changeLevel <= self::CHANGE_STRICT) {
$changed = array_combine(
array_keys($this->record),
array_fill(0, count($this->record), self::CHANGE_STRICT)
);
// @todo Find better way to allow versioned to write a new version after forceChange
unset($changed['Version']);
} else {
$changed = $this->changed;
}
if (is_array($databaseFieldsOnly)) {
$fields = array_intersect_key((array)$this->changed, array_flip($databaseFieldsOnly));
$fields = array_intersect_key($changed, array_flip($databaseFieldsOnly));
} elseif ($databaseFieldsOnly) {
$fieldsSpecs = static::getSchema()->fieldSpecs(static::class);
$fields = array_intersect_key((array)$this->changed, $fieldsSpecs);
$fields = array_intersect_key($changed, $fieldsSpecs);
} else {
$fields = $this->changed;
$fields = $changed;
}
// Filter the list to those of a certain change level
@ -2628,22 +2646,25 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
}
// if a field is not existing or has strictly changed
if (!isset($this->record[$fieldName]) || $this->record[$fieldName] !== $val) {
if (!isset($this->original[$fieldName]) || $this->original[$fieldName] !== $val) {
// TODO Add check for php-level defaults which are not set in the db
// TODO Add check for hidden input-fields (readonly) which are not set in the db
// At the very least, the type has changed
$this->changed[$fieldName] = self::CHANGE_STRICT;
if ((!isset($this->record[$fieldName]) && $val)
|| (isset($this->record[$fieldName]) && $this->record[$fieldName] != $val)
if ((!isset($this->original[$fieldName]) && $val)
|| (isset($this->original[$fieldName]) && $this->original[$fieldName] != $val)
) {
// Value has changed as well, not just the type
$this->changed[$fieldName] = self::CHANGE_VALUE;
}
// Value is always saved back when strict check succeeds.
$this->record[$fieldName] = $val;
// Value has been restored to its original, remove any record of the change
} elseif (isset($this->changed[$fieldName])) {
unset($this->changed[$fieldName]);
}
// Value is saved regardless, since the change detection relates to the last write
$this->record[$fieldName] = $val;
}
return $this;
}

10
src/ORM/FieldType/DBComposite.php
View File

@ -36,6 +36,12 @@ abstract class DBComposite extends DBField
*/
private static $composite_db = array();
/**
* Marker as to whether this record has changed
* Only used when deference to the parent object isn't possible
*/
protected $isChanged = false;
/**
* Either the parent dataobject link, or a record of saved values for each field
*
@ -113,6 +119,10 @@ abstract class DBComposite extends DBField
}
/**
* Returns true if this composite field has changed.
* For fields bound to a DataObject, this will be cleared when the DataObject is written.
*/
public function isChanged()
{
// When unbound, use the local changed flag

69
tests/php/ORM/DataObjectTest.php
View File

@ -765,6 +765,75 @@ class DataObjectTest extends SapphireTest
);
}
public function testChangedFieldsWhenRestoringData()
{
$obj = $this->objFromFixture(DataObjectTest\Player::class, 'captain1');
$obj->FirstName = 'Captain-changed';
$obj->FirstName = 'Captain';
$this->assertEquals(
[],
$obj->getChangedFields(true, DataObject::CHANGE_STRICT)
);
}
public function testChangedFieldsAfterWrite()
{
$obj = $this->objFromFixture(DataObjectTest\Player::class, 'captain1');
$obj->FirstName = 'Captain-changed';
$obj->write();
$obj->FirstName = 'Captain';
$this->assertEquals(
array(
'FirstName' => array(
'before' => 'Captain-changed',
'after' => 'Captain',
'level' => DataObject::CHANGE_VALUE,
),
),
$obj->getChangedFields(true, DataObject::CHANGE_VALUE)
);
}
public function testForceChangeCantBeCancelledUntilWrite()
{
$obj = $this->objFromFixture(DataObjectTest\Player::class, 'captain1');
$this->assertFalse($obj->isChanged('FirstName'));
$this->assertFalse($obj->isChanged('Surname'));
// Force change marks the records as changed
$obj->forceChange();
$this->assertTrue($obj->isChanged('FirstName'));
$this->assertTrue($obj->isChanged('Surname'));
// ...but not if we explicitly ask if the value has changed
$this->assertFalse($obj->isChanged('FirstName', DataObject::CHANGE_VALUE));
$this->assertFalse($obj->isChanged('Surname', DataObject::CHANGE_VALUE));
// Not overwritten by setting the value to is original value
$obj->FirstName = 'Captain';
$this->assertTrue($obj->isChanged('FirstName'));
$this->assertTrue($obj->isChanged('Surname'));
// Not overwritten by changing it to something else and back again
$obj->FirstName = 'Captain-changed';
$this->assertTrue($obj->isChanged('FirstName', DataObject::CHANGE_VALUE));
$obj->FirstName = 'Captain';
$this->assertFalse($obj->isChanged('FirstName', DataObject::CHANGE_VALUE));
$this->assertTrue($obj->isChanged('FirstName'));
$this->assertTrue($obj->isChanged('Surname'));
// Cleared after write
$obj->write();
$this->assertFalse($obj->isChanged('FirstName'));
$this->assertFalse($obj->isChanged('Surname'));
$obj->FirstName = 'Captain';
$this->assertFalse($obj->isChanged('FirstName'));
}
/**
* @skipUpgrade
*/

4
tests/php/Security/MemberTest.php
View File

@ -655,10 +655,14 @@ class MemberTest extends FunctionalTest
$member = $this->objFromFixture(Member::class, 'test');
$member->setName('Test Some User');
$this->assertEquals('Test Some User', $member->getName());
$this->assertEquals('Test Some', $member->FirstName);
$this->assertEquals('User', $member->Surname);
$member->setName('Test');
$this->assertEquals('Test', $member->getName());
$member->FirstName = 'Test';
$member->Surname = '';
$this->assertEquals('Test', $member->FirstName);
$this->assertEquals('', $member->Surname);
$this->assertEquals('Test', $member->getName());
}