1 | <?php |
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7 | abstract class JsonApiSerializer implements JsonSerializable |
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8 | { |
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9 | /** |
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10 | * The JSON API version being implemented. |
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11 | * |
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12 | * @var string |
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13 | */ |
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14 | const JSON_API_VERSION = '1.0'; |
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15 | |||
16 | /** |
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17 | * Meta information to include. |
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18 | * |
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19 | * @var array |
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20 | */ |
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21 | protected $meta = []; |
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22 | |||
23 | /** |
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24 | * Resource links to include. |
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25 | * |
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26 | * @var array |
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27 | */ |
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28 | protected $links = []; |
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29 | |||
30 | /** |
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31 | * Return primary data for the JSON API document. |
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32 | * |
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33 | * @return mixed |
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34 | */ |
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35 | abstract protected function getPrimaryData(); |
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36 | |||
37 | /** |
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38 | * Return any secondary included resource objects. |
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39 | * |
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40 | * @return \Illuminate\Support\Collection |
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41 | */ |
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42 | public function getIncluded() |
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43 | { |
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44 | return collect(); |
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45 | } |
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46 | |||
47 | /** |
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48 | * Add included meta information. |
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49 | * |
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50 | * @param string|array $key |
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51 | * @param string|int|null $value |
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52 | */ |
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53 | public function addMeta($key, $value = null) |
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54 | { |
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55 | $this->meta = array_merge($this->meta, is_array($key) ? $key : [$key => $value]); |
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56 | } |
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57 | |||
58 | /** |
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59 | * Add one or more included links. |
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60 | * |
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61 | * @param string|array $key |
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62 | * @param string|int|null $value |
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63 | */ |
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64 | public function addLinks($key, $value = null) |
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65 | { |
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66 | $this->links = array_merge($this->links, is_array($key) ? $key : [$key => $value]); |
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67 | } |
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68 | |||
69 | /** |
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70 | * Serialise JSON API document to an array. |
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71 | * |
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72 | * @return array |
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73 | */ |
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74 | public function serializeToObject() |
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75 | { |
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76 | return array_filter([ |
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77 | 'data' => $this->getPrimaryData(), |
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78 | 'links' => $this->links, |
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79 | 'meta' => $this->meta, |
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80 | 'included' => array_filter($this->getIncludedData()), |
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81 | 'jsonapi' => $this->getDocumentMeta(), |
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82 | ]); |
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83 | } |
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84 | |||
85 | /** |
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86 | * Convert the object into something JSON serializable. |
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87 | * |
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88 | * @return array |
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89 | */ |
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90 | public function jsonSerialize() |
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91 | { |
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92 | return $this->serializeToObject(); |
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93 | } |
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94 | |||
95 | /** |
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96 | * Serialise JSON API document to a JSON string. |
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97 | * |
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98 | * @return array |
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99 | */ |
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100 | public function serializeToJson() |
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101 | { |
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102 | return json_encode($this->jsonSerialize()); |
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103 | } |
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104 | |||
105 | /** |
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106 | * Return JSON API implementation information. |
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107 | * |
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108 | * @return array |
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109 | */ |
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110 | private function getDocumentMeta() |
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116 | } |
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117 |