1 | <?php |
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2 | |||
3 | namespace Apps\Model\Front\Content; |
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4 | |||
5 | use Apps\ActiveRecord\Content as ContentEntity; |
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6 | use Ffcms\Core\App; |
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7 | use Ffcms\Core\Arch\Model; |
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8 | use Ffcms\Core\Exception\NotFoundException; |
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9 | use Ffcms\Core\Helper\Text; |
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10 | use Ffcms\Core\Helper\Type\Any; |
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11 | use Ffcms\Core\Helper\Type\Str; |
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12 | |||
13 | /** |
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14 | * Class EntityContentSearch. Search similar content items. |
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15 | * @package Apps\Model\Front\Content |
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16 | */ |
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17 | class EntityContentSearch extends Model |
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18 | { |
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19 | const MAX_ITEMS = 5; |
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20 | const MIN_QUERY_LENGTH = 2; |
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21 | const SEARCH_BY_WORDS_COUNT = 3; |
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22 | const CACHE_TIME = 120; // seconds |
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23 | |||
24 | public $items; |
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25 | |||
26 | private $_terms; |
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27 | private $_skip = [0]; |
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28 | private $_categoryId; |
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29 | private $_records; |
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30 | |||
31 | /** |
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32 | * EntityContentSearch constructor. Pass search terms (query string) to model and used items to skip it by id. |
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33 | * @param $terms |
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34 | * @param int|array $skipIds |
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35 | * @param int|null $categoryId |
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36 | */ |
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37 | public function __construct($terms, $skipIds = 0, $categoryId = null) |
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38 | { |
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39 | $this->_terms = App::$Security->strip_tags(trim($terms, ' ')); |
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40 | $this->_categoryId = $categoryId; |
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41 | if (Any::isInt($skipIds)) { |
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42 | $this->_skip = [$skipIds]; |
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43 | } elseif (Any::isArray($skipIds)) { |
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44 | $this->_skip = $skipIds; |
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45 | } |
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46 | parent::__construct(); |
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47 | } |
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48 | |||
49 | /** |
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50 | * Prepare conditions to build content list |
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51 | * @throws NotFoundException |
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52 | * @throws \Psr\Cache\InvalidArgumentException |
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53 | * @return void |
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54 | */ |
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55 | public function before(): void |
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56 | { |
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57 | // check length of passed terms |
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58 | if (!Any::isStr($this->_terms) || Str::length($this->_terms) < self::MIN_QUERY_LENGTH) { |
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59 | throw new NotFoundException(__('Search terms is too short')); |
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60 | } |
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61 | |||
62 | $index = implode('-', $this->_skip); |
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63 | // try to get this slow query from cache |
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64 | $cache = App::$Cache->getItem('entity.content.search.index.' . $index); |
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65 | if (!$cache->isHit()) { |
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66 | $cache->set($this->makeSearch()); |
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67 | $cache->expiresAfter(static::CACHE_TIME); |
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68 | App::$Cache->save($cache); |
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69 | } |
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70 | $this->_records = $cache->get(); |
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71 | |||
72 | // lets make active record building |
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73 | $this->buildContent(); |
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74 | parent::before(); |
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75 | } |
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76 | |||
77 | /** |
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78 | * Build content items as array |
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79 | * @return void |
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80 | */ |
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81 | private function buildContent(): void |
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82 | { |
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83 | if (!$this->_records || $this->_records->count() < 1) { |
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84 | return; |
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85 | } |
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86 | |||
87 | foreach ($this->_records as $item) { |
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88 | /** @var \Apps\ActiveRecord\Content $item */ |
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89 | // full text |
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90 | $text = $item->getLocaled('text'); |
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91 | // remove html |
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92 | $text = App::$Security->strip_tags($text); |
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93 | // build items |
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94 | $this->items[] = [ |
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95 | 'id' => $item->id, |
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96 | 'title' => $item->getLocaled('title'), |
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97 | 'snippet' => Text::snippet($text), |
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98 | 'uri' => '/content/read/' . $item->getPath(), |
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99 | 'thumb' => $item->getPosterThumbUri() |
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100 | ]; |
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101 | } |
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102 | } |
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103 | |||
104 | /** |
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105 | * Search records in database and get object result |
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106 | * @return ContentEntity[] |
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107 | */ |
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108 | private function makeSearch() |
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109 | { |
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110 | $records = new ContentEntity(); |
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111 | $records = $records->search($this->_terms, null, static::SEARCH_BY_WORDS_COUNT) |
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112 | ->whereNotIn('id', $this->_skip) |
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113 | ->where('display', true); |
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114 | |||
115 | if ($this->_categoryId && Any::isInt($this->_categoryId) && $this->_categoryId > 0) { |
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The expression
$this->_categoryId of type integer|null is loosely compared to true ; this is ambiguous if the integer can be 0. You might want to explicitly use !== null instead.
In PHP, under loose comparison (like For 0 == false // true
0 == null // true
123 == false // false
123 == null // false
// It is often better to use strict comparison
0 === false // false
0 === null // false
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116 | $records = $records->where('category_id', $this->_categoryId); |
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117 | } |
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118 | |||
119 | return $records->take(self::MAX_ITEMS) |
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120 | ->get(); |
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121 | } |
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122 | } |
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123 |