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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder\Controller; |
| 6 | |
| 7 | use Drupal\Core\Controller\ControllerBase; |
| 8 | use Drupal\Core\Render\HtmlResponse; |
| 9 | use Drupal\Core\Render\RendererInterface; |
| 10 | use Drupal\Core\Theme\ComponentPluginManager; |
| 11 | use Drupal\display_builder\RenderableBuilderTrait; |
| 12 | use Drupal\ui_patterns_library\StoryPluginManager; |
| 13 | use Symfony\Component\DependencyInjection\Attribute\Autowire; |
| 14 | |
| 15 | /** |
| 16 | * Returns preview responses for Display builder routes. |
| 17 | */ |
| 18 | class ApiPreviewController extends ControllerBase { |
| 19 | |
| 20 | use RenderableBuilderTrait; |
| 21 | |
| 22 | /** |
| 23 | * The Pattern preset storage. |
| 24 | * |
| 25 | * @var \Drupal\Core\Entity\EntityStorageInterface |
| 26 | */ |
| 27 | protected $presetConfigStorage; |
| 28 | |
| 29 | public function __construct( |
| 30 | #[Autowire(service: 'plugin.manager.component_story')] |
| 31 | private StoryPluginManager $storyPluginManager, |
| 32 | #[Autowire(service: 'plugin.manager.sdc')] |
| 33 | private ComponentPluginManager $componentManager, |
| 34 | private RendererInterface $renderer, |
| 35 | ) { |
| 36 | $this->presetConfigStorage = $this->entityTypeManager()->getStorage('pattern_preset'); |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Get block preview. |
| 41 | * |
| 42 | * @param string $block_id |
| 43 | * Block ID. |
| 44 | * |
| 45 | * @return \Drupal\Core\Render\HtmlResponse |
| 46 | * The HTML response. |
| 47 | */ |
| 48 | public function getBlockPreview(string $block_id): HtmlResponse { |
| 49 | $build = $this->generateBlock($block_id); |
| 50 | |
| 51 | $html = $this->renderer->renderRoot($build); |
| 52 | $response = new HtmlResponse(); |
| 53 | $response->setContent($html); |
| 54 | |
| 55 | return $response; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Get preset preview. |
| 60 | * |
| 61 | * @param string $preset_id |
| 62 | * Preset ID. |
| 63 | * |
| 64 | * @return \Drupal\Core\Render\HtmlResponse |
| 65 | * The HTML response. |
| 66 | */ |
| 67 | public function getPresetPreview(string $preset_id): HtmlResponse { |
| 68 | /** @var \Drupal\display_builder\PatternPresetInterface $preset */ |
| 69 | $preset = $this->presetConfigStorage->load($preset_id); |
| 70 | $data = $preset->getSources([], FALSE); |
| 71 | |
| 72 | $build = $this->renderSource($data); |
| 73 | |
| 74 | $html = $this->renderer->renderRoot($build); |
| 75 | $response = new HtmlResponse(); |
| 76 | $response->setContent($html); |
| 77 | |
| 78 | return $response; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Get component preview, only HTML without specific css or js. |
| 83 | * |
| 84 | * @param string $component_id |
| 85 | * Component ID. |
| 86 | * @param string $variant_id |
| 87 | * Component variant ID. |
| 88 | * |
| 89 | * @return \Drupal\Core\Render\HtmlResponse |
| 90 | * The HTML response. |
| 91 | */ |
| 92 | public function getComponentPreview(string $component_id, string $variant_id): HtmlResponse { |
| 93 | $ui_patterns_library = $this->moduleHandler()->moduleExists('ui_patterns_library'); |
| 94 | |
| 95 | $build = []; |
| 96 | |
| 97 | if (!$ui_patterns_library) { |
| 98 | $build = $this->generateComponent($component_id); |
| 99 | } |
| 100 | else { |
| 101 | $stories = $this->storyPluginManager->getComponentStories($component_id); |
| 102 | |
| 103 | if (empty($stories)) { |
| 104 | $build = $this->generateComponent($component_id); |
| 105 | } |
| 106 | else { |
| 107 | $story = []; |
| 108 | $first_story = \reset($stories); |
| 109 | $story[$first_story['machineName'] ?? 'default'] = $first_story; |
| 110 | $build = $this->generateStory($component_id, $variant_id, $story); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | $html = $this->renderer->renderRoot($build); |
| 115 | $response = new HtmlResponse(); |
| 116 | $response->setContent($html); |
| 117 | |
| 118 | return $response; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Build renderable block. |
| 123 | * |
| 124 | * @param string $block_id |
| 125 | * The block id to preview. |
| 126 | * |
| 127 | * @return array |
| 128 | * A renderable array. |
| 129 | */ |
| 130 | protected function generateBlock(string $block_id): array { |
| 131 | $data = [ |
| 132 | 'source_id' => 'block', |
| 133 | 'source' => [ |
| 134 | 'plugin_id' => $block_id, |
| 135 | ], |
| 136 | ]; |
| 137 | |
| 138 | return $this->renderSource($data); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Generate a story. |
| 143 | * |
| 144 | * @param string $component_id |
| 145 | * The component id. |
| 146 | * @param string $variant_id |
| 147 | * The component variant id. |
| 148 | * @param array $stories |
| 149 | * The stories. |
| 150 | * |
| 151 | * @return array |
| 152 | * The render array |
| 153 | */ |
| 154 | private function generateStory(string $component_id, string $variant_id, array $stories): array { |
| 155 | $html = []; |
| 156 | |
| 157 | foreach (\array_keys($stories) as $story_id) { |
| 158 | $html[$story_id] = [ |
| 159 | '#type' => 'component', |
| 160 | '#component' => $component_id, |
| 161 | '#story' => $story_id, |
| 162 | '#props' => ['variant' => $variant_id], |
| 163 | ]; |
| 164 | } |
| 165 | |
| 166 | return $html; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Generate a content even with empty story or no library module. |
| 171 | * |
| 172 | * @param string $component_id |
| 173 | * The component id. |
| 174 | * |
| 175 | * @return array |
| 176 | * The render array |
| 177 | * |
| 178 | * @todo Remove when https://www.drupal.org/project/ui_patterns/issues/3414774 is merged |
| 179 | */ |
| 180 | private function generateComponent(string $component_id): array { |
| 181 | $definition = $this->componentManager->getDefinition($component_id); |
| 182 | $html = [ |
| 183 | '#type' => 'component', |
| 184 | '#component' => $component_id, |
| 185 | ]; |
| 186 | |
| 187 | foreach ($definition['slots'] ?? [] as $slot_id => $slot) { |
| 188 | if (isset($slot['examples']) && \is_array($slot['examples']) && !empty($slot['examples'])) { |
| 189 | $html['#slots'][$slot_id] = $slot['examples'][0]; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | foreach ($definition['props']['properties'] ?? [] as $prop_id => $prop) { |
| 194 | if (isset($prop['examples']) && \is_array($prop['examples']) && !empty($prop['examples'])) { |
| 195 | $html['#props'][$prop_id] = $prop['examples'][0]; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | return $html; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Get renderable array for a slot source. |
| 204 | * |
| 205 | * @param array $data |
| 206 | * The slot source data array containing: |
| 207 | * - source_id: The source ID |
| 208 | * - source: Array of source configuration. |
| 209 | * |
| 210 | * @return array |
| 211 | * The renderable array for this slot source. |
| 212 | */ |
| 213 | private function renderSource(array $data): array { |
| 214 | /** @var \Drupal\ui_patterns\Element\ComponentElementBuilder $builder */ |
| 215 | $builder = \Drupal::service('ui_patterns.component_element_builder'); // @phpcs:ignore |
| 216 | |
| 217 | try { |
| 218 | $build = $builder->buildSource([], 'content', [], $data, []) ?? []; |
| 219 | |
| 220 | return $build['#slots']['content'][0] ?? []; |
| 221 | } |
| 222 | catch (\Throwable $th) { |
| 223 | return []; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | } |