1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | namespace EventSauce\EventSourcing\CodeGeneration; |
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6 | |||
7 | use InvalidArgumentException; |
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8 | use function is_array; |
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9 | use Symfony\Component\Yaml\Yaml; |
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10 | use const PATHINFO_EXTENSION; |
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11 | use function file_get_contents; |
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12 | use function in_array; |
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13 | use function is_string; |
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14 | use function pathinfo; |
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15 | |||
16 | class YamlDefinitionLoader implements DefinitionLoader |
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17 | { |
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18 | 1 | public function canLoad(string $filename): bool |
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19 | { |
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20 | 1 | return in_array(pathinfo($filename, PATHINFO_EXTENSION), ['yaml', 'yml']); |
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21 | } |
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22 | |||
23 | 4 | public function load(string $filename, DefinitionGroup $definitionGroup = null): DefinitionGroup |
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24 | { |
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25 | 4 | $fileContents = file_get_contents($filename); |
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26 | |||
27 | 4 | if ( ! is_string($fileContents)) { |
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28 | throw new InvalidArgumentException("File {$filename} does not contain anything"); |
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29 | } |
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30 | |||
31 | 4 | $definition = Yaml::parse($fileContents); |
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32 | |||
33 | 4 | if ( ! is_array($definition)) { |
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34 | throw new InvalidArgumentException('The definition is incorrectly formatted'); |
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35 | } |
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36 | |||
37 | 4 | $definitionGroup = $definitionGroup ?: new DefinitionGroup(); |
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38 | |||
39 | 4 | if (isset($definition['namespace'])) { |
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40 | 3 | $definitionGroup->withNamespace($definition['namespace']); |
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41 | } |
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42 | |||
43 | 4 | $this->loadTypeHandlers($definitionGroup, $definition['types'] ?? []); |
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44 | 4 | $this->loadFieldDefaults($definitionGroup, $definition['fields'] ?? []); |
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45 | 4 | $this->loadCommands($definitionGroup, $definition['commands'] ?? []); |
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46 | 4 | $this->loadEvents($definitionGroup, $definition['events'] ?? []); |
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47 | |||
48 | 4 | return $definitionGroup; |
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49 | } |
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50 | |||
51 | 4 | private function loadTypeHandlers(DefinitionGroup $definitionGroup, array $types) |
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52 | { |
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53 | 4 | foreach ($types as $type => $handlers) { |
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54 | 1 | if (isset($handlers['type'])) { |
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55 | 1 | $definitionGroup->aliasType($type, $handlers['type']); |
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56 | } |
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57 | |||
58 | 1 | if (isset($handlers['serializer'])) { |
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59 | 1 | $definitionGroup->typeSerializer($type, $handlers['serializer']); |
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60 | } |
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61 | |||
62 | 1 | if (isset($handlers['deserializer'])) { |
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63 | 1 | $definitionGroup->typeDeserializer($type, $handlers['deserializer']); |
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64 | } |
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65 | } |
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66 | 4 | } |
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67 | |||
68 | 4 | private function loadCommands(DefinitionGroup $definitionGroup, array $commands) |
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69 | { |
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70 | 4 | foreach ($commands as $commandName => $commandDefinition) { |
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71 | 4 | $fields = $commandDefinition['fields'] ?? []; |
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72 | 4 | $command = $definitionGroup->command($commandName); |
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73 | 4 | $command->withFieldsFrom($commandDefinition['fields_from'] ?? ''); |
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74 | |||
75 | 4 | foreach ($fields as $fieldName => $fieldDefinition) { |
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76 | 3 | if (is_string($fieldDefinition)) { |
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77 | 1 | $fieldDefinition = ['type' => $fieldDefinition]; |
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78 | } |
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79 | |||
80 | 3 | $command->field($fieldName, $fieldDefinition['type'], $fieldDefinition['example'] ?? null); |
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81 | |||
82 | 3 | if (isset($fieldDefinition['serializer'])) { |
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83 | 1 | $command->fieldSerializer($fieldName, $fieldDefinition['serializer']); |
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84 | } |
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85 | |||
86 | 3 | if (isset($fieldDefinition['deserializer'])) { |
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87 | 4 | $command->fieldDeserializer($fieldName, $fieldDefinition['deserializer']); |
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88 | } |
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89 | } |
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90 | } |
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91 | 4 | } |
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92 | |||
93 | 4 | private function loadEvents(DefinitionGroup $definitionGroup, array $events) |
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94 | { |
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95 | 4 | foreach ($events as $eventName => $eventDefinition) { |
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96 | 3 | $event = $definitionGroup->event($eventName); |
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97 | 3 | $event->withFieldsFrom($eventDefinition['fields_from'] ?? ''); |
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98 | 3 | $fields = $eventDefinition['fields'] ?? []; |
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99 | |||
100 | 3 | foreach ($fields as $fieldName => $fieldDefinition) { |
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101 | 3 | if (is_string($fieldDefinition)) { |
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102 | 1 | $fieldDefinition = ['type' => $fieldDefinition]; |
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103 | } |
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104 | |||
105 | 3 | $event->field($fieldName, $fieldDefinition['type'], (string) ($fieldDefinition['example'] ?? null)); |
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106 | |||
107 | 3 | if (isset($fieldDefinition['serializer'])) { |
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108 | 1 | $event->fieldSerializer($fieldName, $fieldDefinition['serializer']); |
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109 | } |
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110 | |||
111 | 3 | if (isset($fieldDefinition['deserializer'])) { |
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112 | 3 | $event->fieldDeserializer($fieldName, $fieldDefinition['deserializer']); |
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113 | } |
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114 | } |
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115 | } |
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116 | 4 | } |
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117 | |||
118 | 4 | private function loadFieldDefaults(DefinitionGroup $definitionGroup, array $defaults) |
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119 | { |
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120 | 4 | foreach ($defaults as $field => $default) { |
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121 | 1 | $definitionGroup->fieldDefault($field, $default['type'], $default['example'] ?? null); |
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122 | |||
123 | 1 | if (isset($default['serializer'])) { |
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124 | 1 | $definitionGroup->fieldSerializer($field, $default['serializer']); |
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125 | } |
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126 | |||
127 | 1 | if (isset($default['deserializer'])) { |
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128 | 1 | $definitionGroup->fieldDeserializer($field, $default['deserializer']); |
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129 | } |
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130 | } |
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131 | 4 | } |
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132 | } |
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133 |