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Initial schemaState implementation

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This commit is contained in:
David Craig 2016-02-29 13:50:59 +13:00 committed by Ingo Schommer
parent afccef718c
commit 404ac4ae43
3 changed files with 57 additions and 13 deletions
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38
admin/code/LeftAndMain.php
View File

@ -182,7 +182,43 @@ class LeftAndMain extends Controller implements PermissionProvider {
* @return SS_HTTPResponse
*/
public function schema() {
return $this->schema->getSchema($this->getEditForm());
$req = $this->getRequest();
$res = $this->getResponse();
$schemaParts = [];
// Valid values for the "X-Formschema-Request" header are "schema" and "state".
// If either of these values are set they will be stored in the $schemaParst array
// and used to construct the response body.
if ($schemaHeader = $req->getHeader('X-Formschema-Request')) {
$schemaParts = array_filter(explode(',', $schemaHeader), function($value) {
$validHeaderValues = ['schema', 'state'];
return in_array(trim($value), $validHeaderValues);
});
}
// Make sure it's an AJAX GET request with a valid "X-Formschema-Request" header value.
if (!$req->isAjax() || !$req->isGET() || !count($schemaParts)) {
throw new SS_HTTPResponse_Exception(
'Invalid request. Check you\'ve set a "X-Formschema-Request" header with "schema" or "state" values.',
400
);
}
$form = $this->getEditForm();
$responseBody = ['id' => $form->getName()];
if (in_array('schema', $schemaParts)) {
$responseBody['schema'] = $this->schema->getSchema($form);
}
if (in_array('state', $schemaParts)) {
$responseBody['state'] = $this->schema->getState($form);
}
$res->addHeader('Content-Type', 'application/json');
$res->setBody(Convert::raw2json($responseBody));
return $res;
}
/**

14
forms/FormSchema.php
View File

@ -11,7 +11,7 @@ class FormSchema {
* Gets the schema for this form as a nested array.
*
* @param Form $form
* @return string
* @return array
*/
public function getSchema(Form $form) {
$request = $form->controller()->getRequest();
@ -39,18 +39,22 @@ class FormSchema {
}
}
return Convert::raw2json($schema);
return $schema;
}
/**
* Gets the current state of this form as a nested array.
*
* @param From $form
* @return string
* @return array
*/
public function getState(Form $form) {
$state = ['state' => []];
$state = [
'id' => $form->getName(),
'fields' => [],
'messages' => []
];
return Convert::raw2json($state);
return $state;
}
}

18
tests/forms/FormSchemaTest.php
View File

@ -7,7 +7,7 @@ class FormSchemaTest extends SapphireTest {
public function testGetSchema() {
$form = new Form(new Controller(), 'TestForm', new FieldList(), new FieldList());
$formSchema = new FormSchema();
$expectedJSON = json_encode([
$expected = [
'name' => 'TestForm',
'id' => null,
'action' => null,
@ -43,20 +43,24 @@ class FormSchemaTest extends SapphireTest {
],
],
'actions' => []
]);
];
$schema = $formSchema->getSchema($form);
$this->assertJsonStringEqualsJsonString($expectedJSON, $schema);
$this->assertInternalType('array', $schema);
$this->assertJsonStringEqualsJsonString(json_encode($expected), json_encode($schema));
}
public function testGetState() {
$form = new Form(new Controller(), 'TestForm', new FieldList(), new FieldList());
$formSchema = new FormSchema();
$expectedJSON = json_encode(['state' => []]);
$expected = [
'id' => 'TestForm',
'fields' => [],
'messages' => []
];
$state = $formSchema->getState($form);
$this->assertJsonStringEqualsJsonString($expectedJSON, $state);
$this->assertInternalType('array', $state);
$this->assertJsonStringEqualsJsonString(json_encode($expected), json_encode($state));
}
}