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<?php
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namespace Illuminate\Routing;
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use Illuminate\Contracts\Routing\UrlRoutable;
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use Illuminate\Database\Eloquent\ModelNotFoundException;
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use Illuminate\Database\Eloquent\SoftDeletes;
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use Illuminate\Routing\Exceptions\BackedEnumCaseNotFoundException;
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use Illuminate\Support\Reflector;
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use Illuminate\Support\Str;
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class ImplicitRouteBinding
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{
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/**
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* Resolve the implicit route bindings for the given route.
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*
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* @param \Illuminate\Container\Container $container
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* @param \Illuminate\Routing\Route $route
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* @return void
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*
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* @throws \Illuminate\Database\Eloquent\ModelNotFoundException<\Illuminate\Database\Eloquent\Model>
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* @throws \Illuminate\Routing\Exceptions\BackedEnumCaseNotFoundException
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*/
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public static function resolveForRoute($container, $route)
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{
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$parameters = $route->parameters();
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$route = static::resolveBackedEnumsForRoute($route, $parameters);
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foreach ($route->signatureParameters(['subClass' => UrlRoutable::class]) as $parameter) {
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if (! $parameterName = static::getParameterName($parameter->getName(), $parameters)) {
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continue;
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}
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$parameterValue = $parameters[$parameterName];
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if ($parameterValue instanceof UrlRoutable) {
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continue;
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}
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$instance = $container->make(Reflector::getParameterClassName($parameter));
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$parent = $route->parentOfParameter($parameterName);
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$routeBindingMethod = $route->allowsTrashedBindings() && in_array(SoftDeletes::class, class_uses_recursive($instance))
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? 'resolveSoftDeletableRouteBinding'
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: 'resolveRouteBinding';
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if ($parent instanceof UrlRoutable &&
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! $route->preventsScopedBindings() &&
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($route->enforcesScopedBindings() || array_key_exists($parameterName, $route->bindingFields()))) {
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$childRouteBindingMethod = $route->allowsTrashedBindings() && in_array(SoftDeletes::class, class_uses_recursive($instance))
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? 'resolveSoftDeletableChildRouteBinding'
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: 'resolveChildRouteBinding';
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if (! $model = $parent->{$childRouteBindingMethod}(
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$parameterName, $parameterValue, $route->bindingFieldFor($parameterName)
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)) {
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throw (new ModelNotFoundException)->setModel(get_class($instance), [$parameterValue]);
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}
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} elseif (! $model = $instance->{$routeBindingMethod}($parameterValue, $route->bindingFieldFor($parameterName))) {
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throw (new ModelNotFoundException)->setModel(get_class($instance), [$parameterValue]);
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}
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$route->setParameter($parameterName, $model);
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}
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}
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/**
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* Resolve the Backed Enums route bindings for the route.
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*
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* @param \Illuminate\Routing\Route $route
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* @param array $parameters
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* @return \Illuminate\Routing\Route
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*
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* @throws \Illuminate\Routing\Exceptions\BackedEnumCaseNotFoundException
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*/
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protected static function resolveBackedEnumsForRoute($route, $parameters)
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{
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foreach ($route->signatureParameters(['backedEnum' => true]) as $parameter) {
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if (! $parameterName = static::getParameterName($parameter->getName(), $parameters)) {
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continue;
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}
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$parameterValue = $parameters[$parameterName];
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$backedEnumClass = (string) $parameter->getType();
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$backedEnum = $backedEnumClass::tryFrom((string) $parameterValue);
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if (is_null($backedEnum)) {
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throw new BackedEnumCaseNotFoundException($backedEnumClass, $parameterValue);
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}
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$route->setParameter($parameterName, $backedEnum);
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}
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return $route;
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}
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/**
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* Return the parameter name if it exists in the given parameters.
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*
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* @param string $name
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* @param array $parameters
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* @return string|null
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*/
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protected static function getParameterName($name, $parameters)
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{
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if (array_key_exists($name, $parameters)) {
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return $name;
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}
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if (array_key_exists($snakedName = Str::snake($name), $parameters)) {
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return $snakedName;
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}
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}
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}
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