/**
* @param FREST\Resource $resource
* @return array
*/
private function generateTableDeleteSpecs($resource)
{
$tableDeleteSpecs = array();
$tableSettings = $resource->getTableSettings();
/** @var Setting\Table $tableSetting */
foreach ($tableSettings as $tableSetting) {
$tableDeleteSpec = new Spec\TableDelete($tableSetting->getTable());
$tableDeleteSpecs[] = $tableDeleteSpec;
}
if (count($tableDeleteSpecs) > 0) {
return $tableDeleteSpecs;
}
return NULL;
}
/**
* @param string $alias
* @param string $resourceName
* @param array $parameters
* @param bool $default
*/
public function __construct($alias, $resourceName, $parameters, $default = FALSE)
{
$this->alias = $alias;
$this->resourceName = $resourceName;
$this->parameters = $parameters;
$this->default = $default;
foreach ($parameters as $field => $parameter) {
$injectedAlias = Resource::aliasFromInjectedValue($parameter);
if (isset($injectedAlias)) {
$this->requiredAliases[$field] = $injectedAlias;
}
}
}
/**
* @throws FREST\Exception
*/
protected function setupResourceFunction()
{
$resourceFunctions = $this->resource->getResourceFunctions();
// check if valid Func name
if (!isset($resourceFunctions) || !isset($resourceFunctions[$this->resourceFunctionName])) {
throw new FREST\Exception(FREST\Exception::ResourceFunctionDoesntExist, "Function name: '{$this->resourceFunctionName}'");
}
/** @var Func\Resource $resourceFunction */
$resourceFunction = $resourceFunctions[$this->resourceFunctionName];
$resourceFunctionParameters = $resourceFunction->getParameters();
// check method
$requiredMethod = $resourceFunction->getMethod();
$currentMethod = $this->frest->getMethod();
if ($requiredMethod != $currentMethod) {
$currentMethodString = Type\Method::getString($currentMethod);
$requiredMethodString = Type\Method::getString($requiredMethod);
throw new FREST\Exception(FREST\Exception::MismatchingResourceFunctionMethod, "Requires '{$requiredMethodString}' but using '{$currentMethodString}'");
}
// check for invalid parameters and build parameter list for Func
$functionParameters = array();
foreach ($this->parameters as $parameterName => $value) {
$isValidMiscParam = isset($this->miscParameters[$parameterName]);
if (!$isValidMiscParam) {
if (!isset($resourceFunctionParameters[$parameterName])) {
throw new FREST\Exception(FREST\Exception::InvalidFunctionParameter, "Parameter name: '{$parameterName}'");
}
$functionParameters[$parameterName] = $value;
}
}
if (isset($resourceFunctionParameters) && count($resourceFunctionParameters) > 0) {
// check for all required parameters
/** @var Func\FunctionParam $parameter */
$missingParameterNames = array();
foreach ($resourceFunctionParameters as $parameterName => $parameter) {
// check type
if (isset($functionParameters[$parameterName])) {
$variableType = $parameter->getVariableType();
$value = $functionParameters[$parameterName];
$castedValue = Type\Variable::castValue($value, $variableType);
if (!isset($castedValue)) {
$typeString = Type\Variable::getString($variableType);
throw new FREST\Exception(FREST\Exception::InvalidType, "Expecting parameter '{$parameterName}' to be of type '{$typeString}' but received '{$value}'");
}
$functionParameters[$parameterName] = $castedValue;
} else {
if ($parameter->getRequired()) {
$missingParameterNames[] = $parameterName;
}
}
}
if (count($missingParameterNames) > 0) {
$missingString = implode(', ', $missingParameterNames);
throw new FREST\Exception(FREST\Exception::MissingRequiredFunctionParameter, "Parameter name: '{$missingString}'");
}
}
// Check for Func implementation existence
if (!method_exists($this->resource, $this->resourceFunctionName)) {
throw new FREST\Exception(FREST\Exception::ResourceFunctionMissing, "Function name: '{$this->resourceFunctionName}', resource: '{$this->resource->getName()}'");
}
if ($resourceFunction->getRequiresResourceID()) {
$functionParameters['resourceID'] = $this->resourceID;
}
$this->resourceFunction = $resourceFunction;
$this->resourceFunctionParameters = $functionParameters;
}
/**
* @param \FREST\Resource $resource
*/
private function setupResource($resource)
{
$resource->setDefaultLimit($this->config->getDefaultLimit());
$resource->setMaxLimit($this->config->getMaxLimit());
$resource->setAllowWildcards($this->config->getAllowWildcards());
$resource->setAllowFieldsParameter($this->config->getAllowFieldsParameter());
$resource->setAllowPartialSyntax($this->config->getAllowPartialSyntax());
$resource->setup();
// this is where Settings are created by custom class
}
/**
* @param FREST\Resource $resource
* @param array $queryParameterSpecs
* @return int
* @throws FREST\Exception
*/
private function generateLimit($resource, &$queryParameterSpecs)
{
$limit = isset($this->parameters['limit']) ? $this->parameters['limit'] : $resource->getDefaultLimit();
$castedLimit = Type\Variable::castValue($limit, Type\Variable::INT);
if (!isset($castedLimit)) {
$typeString = Type\Variable::getString(Type\Variable::INT);
throw new FREST\Exception(FREST\Exception::InvalidType, "Expecting offset to be of type '{$typeString}' but received '{$limit}'.");
}
$maxLimit = $resource->getMaxLimit();
if ($castedLimit > $maxLimit) {
throw new FREST\Exception(FREST\Exception::InvalidValue, "The limit for this resource must not exceed {$maxLimit}. A limit of {$castedLimit} was supplied.");
}
$limitQueryParameter = new Spec\QueryParameter('limit', ':_limit', $castedLimit, Type\Variable::INT);
$queryParameterSpecs['_limit'] = $limitQueryParameter;
return $castedLimit;
}
/**
* @param FREST\Resource $resource
* @param array $createSpecs
* @return array|NULL
*/
protected function generateTableCreateSpecs($resource, $createSpecs)
{
$tableCreateSpecs = array();
$tablesAndTheirCreateSpecs = array();
/** @var Spec\Create $createSpec */
foreach ($createSpecs as $createSpec) {
$alias = $createSpec->getAlias();
$field = $resource->getFieldForAlias($alias);
$table = $resource->getTableForField($field);
$tablesAndTheirCreateSpecs[$table][] = $createSpec;
}
foreach ($tablesAndTheirCreateSpecs as $table => $createSpecs) {
$tableCreateSpec = new Spec\TableCreate($table, $createSpecs);
$tableCreateSpecs[] = $tableCreateSpec;
}
if (count($tableCreateSpecs) > 0) {
return $tableCreateSpecs;
}
return NULL;
}
/**
* @param FREST\Resource $loadedResource
* @param Setting\Read $responsibleReadSetting
*
* @return array
*/
protected function getLoadedResourceReadSettings($loadedResource, $responsibleReadSetting)
{
$resourceName = $loadedResource->getName();
if (!isset($this->loadedResourceReadSettings[$resourceName])) {
$parameters = array();
if ($responsibleReadSetting instanceof Setting\SingularResourceRead) {
$aliasesToRead = $responsibleReadSetting->getAliasesToRead();
if (isset($aliasesToRead)) {
$parameters['fields'] = implode(',', $aliasesToRead);
}
} else {
if ($responsibleReadSetting instanceof Setting\ComputedRead) {
$requiredAliases = $responsibleReadSetting->getRequiredAliases();
if (isset($requiredAliases)) {
$parameters['fields'] = implode(',', $requiredAliases);
}
}
}
$readSettings = $this->generateReadSettings($loadedResource, $parameters);
$this->loadedResourceReadSettings[$resourceName] = $readSettings;
} else {
$readSettings = $this->loadedResourceReadSettings[$resourceName];
}
return $readSettings;
}
/**
* @param FREST\Resource $resource
* @param array $updateSpecs
* @return array|NULL
*/
protected function generateTableUpdateSpecs($resource, $updateSpecs)
{
$tableUpdateSpecs = array();
$tablesAndTheirUpdateSpecs = array();
/** @var Spec\Update $updateSpec */
foreach ($updateSpecs as $updateSpec) {
$alias = $updateSpec->getAlias();
$field = $resource->getFieldForAlias($alias);
$table = $resource->getTableForField($field);
$tablesAndTheirUpdateSpecs[$table][] = $updateSpec;
}
foreach ($tablesAndTheirUpdateSpecs as $table => $updateSpecs) {
$tableUpdateSpec = new Spec\TableUpdate($table, $updateSpecs);
$tableUpdateSpecs[] = $tableUpdateSpec;
}
return $tableUpdateSpecs;
}
