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<?php |
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namespace Smindel\GIS\Control; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\Security\Permission; |
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use Smindel\GIS\GIS; |
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use Exception; |
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use SilverStripe\Control\Director; |
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class AbstractGISWebServiceController extends Controller |
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{ |
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public function getModel($request) |
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{ |
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$request = $request ?: $this->getRequest(); |
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$class = str_replace('-', '\\', $request->param('Model')); |
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return $class; |
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} |
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public function getConfig($model) |
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{ |
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$defaults = Config::inst()->get(static::class); |
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$modelConfig = Config::inst()->get($model, strtolower(array_reverse(explode('\\', static::class))[0])); |
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if (!$modelConfig) { |
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return false; |
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} |
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$defaults['record_provider'] = null; |
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$defaults['access_control_allow_origin'] = Director::absoluteURL('/'); |
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$defaults['geometry_field'] = GIS::of($model); |
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$defaults['searchable_fields'] = singleton($model)->searchableFields(); |
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return is_array($modelConfig) ? array_merge($defaults, $modelConfig) : $defaults; |
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} |
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public function getRecords($request) |
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{ |
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$model = $this->getModel($request); |
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$config = $this->getConfig($model); |
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if (!is_a($model, DataObject::class, true)) { |
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throw new Exception(sprintf('%s not found', $model), 404); |
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} |
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if (!$config) { |
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throw new Exception(sprintf('%s not configured for %s', static::class, $model), 404); |
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} |
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if (isset($config['code']) && !Permission::check($config['code'])) { |
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throw new Exception(sprintf('You are not allowed to access %s through %s', $model, static::class), 403); |
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} |
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$skip_filter = false; |
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$list = is_callable($config['record_provider']) |
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? \Closure::fromCallable($config['record_provider'])($request, $skip_filter) |
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: $model::get(); |
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if (!$skip_filter) { |
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$queryParams = array_intersect_ukey( |
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$request->requestVars(), |
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$config['searchable_fields'], |
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function ($a, $b) { |
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$a = explode(':', $a)[0]; |
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$b = explode(':', $b)[0]; |
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return strcmp($a, $b); |
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} |
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); |
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$list = $list->filter($queryParams); |
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} |
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return $list; |
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} |
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} |
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