themainframe /
veto
| @@ 86-115 (lines=30) @@ | ||
| 83 | * @param Request $request |
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| 84 | * @return Request |
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| 85 | */ |
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| 86 | private function processInboundLayers(Request $request) |
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| 87 | { |
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| 88 | $result = $request; |
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| 89 | ||
| 90 | // Pass through layers inwards |
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| 91 | foreach ($this->layers as $priority => $layers) { |
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| 92 | foreach ($layers as $layerName => $layer) { |
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| 93 | ||
| 94 | if (!($layer instanceof InboundLayerInterface)) { |
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| 95 | continue; |
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| 96 | } |
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| 97 | ||
| 98 | $result = $layer->in($result); |
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| 99 | ||
| 100 | // If the layer produces a response, no more inbound layers may execute |
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| 101 | if ($result instanceof Response) { |
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| 102 | return $result; |
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| 103 | } |
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| 104 | ||
| 105 | if (!$result instanceof Request) { |
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| 106 | throw new \RuntimeException( |
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| 107 | 'Each inbound layer of the chain must produce a Request or Response type. ' . |
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| 108 | 'The "' . $layerName . '" layer returned ' . gettype($request) . '.' |
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| 109 | ); |
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| 110 | } |
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| 111 | } |
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| 112 | } |
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| 113 | ||
| 114 | return $result; |
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| 115 | } |
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| 116 | ||
| 117 | /** |
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| 118 | * @param Response $response |
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| @@ 121-144 (lines=24) @@ | ||
| 118 | * @param Response $response |
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| 119 | * @return Response |
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| 120 | */ |
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| 121 | private function processOutboundLayers(Response $response) |
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| 122 | { |
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| 123 | $result = $response; |
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| 124 | ||
| 125 | foreach ($this->layers as $priority => $layers) { |
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| 126 | foreach ($layers as $layerName => $layer) { |
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| 127 | ||
| 128 | if (!($layer instanceof OutboundLayerInterface)) { |
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| 129 | continue; |
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| 130 | } |
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| 131 | ||
| 132 | $result = $layer->out($result); |
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| 133 | ||
| 134 | if (!$result instanceof Response) { |
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| 135 | throw new \RuntimeException( |
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| 136 | 'Each outbound layer of the chain must produce a Response type. ' . |
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| 137 | 'The "' . $layerName . '" layer returned ' . gettype($response) . '.' |
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| 138 | ); |
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| 139 | } |
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| 140 | } |
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| 141 | } |
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| 142 | ||
| 143 | return $result; |
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| 144 | } |
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| 145 | ||
| 146 | /** |
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| 147 | * Get the layers currently added to this LayerChain, keyed by priority group. |
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