/**
* @param FREST\Resource $resource
* @return array
* @throws FREST\Exception
*/
private function generateCreateSpecs($resource)
{
$createSpecs = array();
$createSettings = $resource->getCreateSettings();
if (isset($this->resourceID)) {
/** @var Setting\Field $idFieldSetting */
$idFieldName = $this->resource->getIDField($idFieldSetting);
$idAlias = $this->resource->getAliasForField($idFieldName);
$idCreateSpec = new Spec\Create($idAlias, $idFieldName, $this->resourceID, $idFieldSetting->getVariableType());
$createSpecs[$idAlias] = $idCreateSpec;
}
/** @var Setting\Create $createSetting */
foreach ($createSettings as $createSetting) {
$alias = $createSetting->getAlias();
if (isset($this->parameters[$alias])) {
$value = $this->parameters[$alias];
$field = $resource->getFieldForAlias($alias);
$fieldSetting = $resource->getFieldSettingForAlias($alias);
$variableType = $fieldSetting->getVariableType();
// Type checking
$castedValue = Type\Variable::castValue($value, $variableType);
if (!isset($castedValue)) {
$typeString = Type\Variable::getString($variableType);
throw new FREST\Exception(FREST\Exception::InvalidType, "Expecting '{$alias}' to be of type '{$typeString}' but received '{$value}'");
}
// Condition Func
$conditionFunction = $createSetting->getConditionFunction();
if (isset($conditionFunction)) {
if (!method_exists($resource, $conditionFunction)) {
throw new FREST\Exception(FREST\Exception::ConditionFunctionMissing, "Function name: '{$conditionFunction}', resource: '{$this->resource->getName()}'");
}
$isValueValid = $resource->{$conditionFunction}($castedValue);
if (!$isValueValid) {
throw new FREST\Exception(FREST\Exception::InvalidFieldValue, "Field: '{$alias}'");
}
}
// Filter Func
$filterFunction = $createSetting->getFilterFunction();
if (isset($filterFunction)) {
if (!method_exists($resource, $filterFunction)) {
throw new FREST\Exception(FREST\Exception::FilterFunctionMissing, "Function name: '{$filterFunction}', resource: '{$resource->getName()}'");
}
$castedValue = $resource->{$filterFunction}($castedValue);
}
$createSpec = new Spec\Create($alias, $field, $castedValue, $variableType);
$createSpecs[$alias] = $createSpec;
} else {
if ($createSetting->getRequired()) {
// get list of all parameters required but not set
$missingParameters = array();
/** @var Setting\Create $aCreateSetting */
foreach ($createSettings as $aCreateSetting) {
$alias = $aCreateSetting->getAlias();
if (!isset($this->parameters[$alias]) && $aCreateSetting->getRequired()) {
$missingParameters[] = $alias;
}
}
$missingParametersString = implode(', ', $missingParameters);
throw new FREST\Exception(FREST\Exception::MissingRequiredParams, "Missing parameters: {$missingParametersString}");
}
}
}
if (count($createSpecs) > 0) {
return $createSpecs;
}
return NULL;
}
