1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | /* |
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6 | * (c) Christian Gripp <[email protected]> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace Core23\TwigExtensions\Twig\Extension; |
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13 | |||
14 | use Sonata\DatagridBundle\Pager\BasePager; |
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15 | use Symfony\Component\Routing\RouterInterface; |
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16 | use Twig\Environment; |
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17 | use Twig\Error\LoaderError; |
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18 | use Twig\Extension\AbstractExtension; |
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19 | use Twig\Extension\InitRuntimeInterface; |
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20 | use Twig\TwigFilter; |
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21 | use Twig\TwigFunction; |
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22 | |||
23 | final class RouterTwigExtension extends AbstractExtension implements InitRuntimeInterface |
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24 | { |
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25 | /** |
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26 | * @var RouterInterface |
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27 | */ |
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28 | private $router; |
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29 | |||
30 | /** |
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31 | * @var array |
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32 | */ |
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33 | private $options; |
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34 | |||
35 | /** |
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36 | * @var Environment |
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37 | */ |
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38 | private $environment; |
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39 | |||
40 | /** |
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41 | * @param RouterInterface $router |
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42 | * @param array $options |
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43 | * |
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44 | * @throws LoaderError |
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45 | */ |
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46 | public function __construct(RouterInterface $router, array $options = []) |
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47 | { |
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48 | $this->router = $router; |
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49 | $this->options = $options; |
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50 | |||
51 | if (!isset($this->options['template'])) { |
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52 | throw new LoaderError('Pager template is not set.'); |
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53 | } |
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54 | if (!isset($this->options['extremeLimit'])) { |
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55 | throw new LoaderError('Pager extreme limit is not set.'); |
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56 | } |
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57 | if (!isset($this->options['nearbyLimit'])) { |
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58 | throw new LoaderError('Pager nearby limit is not set.'); |
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59 | } |
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60 | } |
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61 | |||
62 | /** |
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63 | * {@inheritdoc} |
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64 | */ |
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65 | public function initRuntime(\Twig_Environment $environment): void |
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66 | { |
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67 | $this->environment = $environment; |
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68 | } |
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69 | |||
70 | /** |
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71 | * {@inheritdoc} |
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72 | */ |
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73 | public function getFunctions() |
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74 | { |
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75 | return [ |
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76 | new TwigFunction('routeExists', [$this, 'routeExists']), |
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77 | new TwigFunction('page_pager', [$this, 'generatePager'], [ |
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78 | 'is_safe' => ['html'], |
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79 | ]), |
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80 | ]; |
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81 | } |
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82 | |||
83 | /** |
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84 | * {@inheritdoc} |
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85 | */ |
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86 | public function getFilters() |
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87 | { |
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88 | return [ |
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89 | new TwigFilter('splitTag', [$this, 'splitTag']), |
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90 | ]; |
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91 | } |
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92 | |||
93 | /** |
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94 | * @param string $name |
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95 | * |
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96 | * @return bool |
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97 | */ |
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98 | public function routeExists(string $name): bool |
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99 | { |
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100 | return null !== $this->router->getRouteCollection()->get($name); |
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101 | } |
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102 | |||
103 | /** |
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104 | * @param string $text |
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105 | * @param string $tag |
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106 | * |
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107 | * @return string[] |
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108 | */ |
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109 | public function splitTag(string $text, string $tag): array |
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110 | { |
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111 | if (!$tag) { |
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112 | return [$text]; |
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113 | } |
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114 | |||
115 | return preg_split('/(?=<'.$tag.'([^>])*>)/', $text, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) ?: [$text]; |
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116 | } |
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117 | |||
118 | /** |
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119 | * @param BasePager $pager |
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120 | * @param array $options |
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121 | * |
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122 | * @throws \Twig_Error_Loader |
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123 | * @throws \Twig_Error_Runtime |
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124 | * @throws \Twig_Error_Syntax |
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125 | * |
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126 | * @return string |
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127 | */ |
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128 | public function generatePager(BasePager $pager, array $options = []): string |
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129 | { |
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130 | $data = array_merge(array_merge($this->options, $options), [ |
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131 | 'itemsCount' => $pager->count(), |
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132 | 'limit' => $pager->getMaxPerPage(), |
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133 | 'currentPage' => $pager->getPage(), |
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134 | ]); |
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135 | |||
136 | $data['lastPage'] = $this->getNumPages((int) $data['limit'], (int) $data['itemsCount']); |
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137 | |||
138 | return $this->environment->render($data['template'], $data); |
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139 | } |
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140 | |||
141 | /** |
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142 | * @param int $limit |
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143 | * @param int $count |
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144 | * |
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145 | * @return int |
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146 | */ |
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147 | protected function getNumPages(int $limit, int $count): int |
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148 | { |
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149 | if ($limit < 1) { |
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150 | return 1; |
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151 | } |
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152 | |||
153 | return (int) ceil($count / $limit); |
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154 | } |
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155 | } |
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156 |