1 | <?php |
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2 | /* For licensing terms, see /license.txt */ |
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3 | |||
4 | /** |
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5 | * Process links before pass it to search listing scripts. |
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6 | * |
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7 | * @package chamilo.include.search |
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8 | */ |
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9 | class link_processor extends search_processor |
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10 | { |
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11 | public $links = []; |
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12 | |||
13 | public function __construct($rows) |
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14 | { |
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15 | $this->rows = $rows; |
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16 | |||
17 | // group all links together |
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18 | foreach ($rows as $row_id => $row_val) { |
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19 | $link_id = $row_val['xapian_data'][SE_DATA]['link_id']; |
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20 | $courseid = $row_val['courseid']; |
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21 | $item = [ |
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22 | 'courseid' => $courseid, |
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23 | 'score' => $row_val['score'], |
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24 | 'link_id' => $link_id, |
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25 | 'row_id' => $row_id, |
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26 | ]; |
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27 | $this->links[$courseid]['links'][] = $item; |
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28 | $this->links[$courseid]['total_score'] += $row_val['score']; |
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29 | } |
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30 | } |
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31 | |||
32 | public function process() |
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33 | { |
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34 | $results = []; |
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35 | foreach ($this->links as $courseCode => $one_course_links) { |
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36 | $course_info = api_get_course_info($courseCode); |
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37 | $search_show_unlinked_results = (api_get_setting('search_show_unlinked_results') == 'true'); |
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38 | $course_visible_for_user = api_is_course_visible_for_user(null, $courseCode); |
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39 | // can view course? |
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40 | if ($course_visible_for_user || $search_show_unlinked_results) { |
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41 | $result = null; |
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42 | foreach ($one_course_links['links'] as $one_link) { |
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43 | // is visible? |
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44 | $visibility = api_get_item_visibility($course_info, TOOL_LINK, $one_link['link_id']); |
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45 | if ($visibility) { |
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46 | // if one is visible let show the result for a course |
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47 | // also asume all data of this item like the data of the whole group of links(Ex. author) |
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48 | list($thumbnail, $image, $name, $author, $url) = $this->get_information($courseCode, $one_link['link_id']); |
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49 | $result_tmp = [ |
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50 | 'toolid' => TOOL_LINK, |
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51 | 'score' => $one_course_links['total_score'] / (count($one_course_links) - 1), // not count total_score array item |
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52 | 'url' => $url, |
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53 | 'thumbnail' => $thumbnail, |
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54 | 'image' => $image, |
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55 | 'title' => $name, |
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56 | 'author' => $author, |
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57 | ]; |
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58 | if ($course_visible_for_user) { |
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59 | $result = $result_tmp; |
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60 | } else { // course not visible for user |
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61 | if ($search_show_unlinked_results) { |
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62 | $result_tmp['url'] = ''; |
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63 | $result = $result_tmp; |
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64 | } |
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65 | } |
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66 | break; |
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67 | } |
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68 | } |
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69 | if (!is_null($result)) { |
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70 | // if there is at least one link item found show link to course Links tool page |
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71 | $results[] = $result; |
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72 | } |
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73 | } |
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74 | } |
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75 | |||
76 | // get information to sort |
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77 | foreach ($results as $key => $row) { |
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78 | $score[$key] = $row['score']; |
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79 | } |
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80 | |||
81 | // Sort results with score descending |
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82 | array_multisort($score, SORT_DESC, $results); |
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83 | |||
84 | return $results; |
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85 | } |
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86 | |||
87 | /** |
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88 | * Get document information. |
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89 | */ |
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90 | private function get_information($course_id, $link_id) |
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91 | { |
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92 | $course_information = api_get_course_info($course_id); |
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93 | $course_id = $course_information['real_id']; |
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94 | $course_id_alpha = $course_information['id']; |
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95 | if (!empty($course_information)) { |
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96 | $item_property_table = Database::get_course_table(TABLE_ITEM_PROPERTY); |
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97 | |||
98 | $link_id = intval($link_id); |
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99 | $sql = "SELECT insert_user_id FROM $item_property_table |
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100 | WHERE ref = $link_id AND tool = '".TOOL_LINK."' AND c_id = $course_id |
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101 | LIMIT 1"; |
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102 | |||
103 | $name = get_lang('Links'); |
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104 | $url = api_get_path(WEB_PATH).'main/link/link.php?cidReq=%s'; |
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105 | $url = sprintf($url, $course_id_alpha); |
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106 | // Get the image path |
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107 | $thumbnail = Display::returnIconPath('link.png'); |
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108 | $image = $thumbnail; //FIXME: use big images |
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109 | // get author |
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110 | $author = ''; |
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111 | $item_result = Database::query($sql); |
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112 | if ($row = Database::fetch_array($item_result)) { |
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113 | $user_data = api_get_user_info($row['insert_user_id']); |
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114 | $author = api_get_person_name($user_data['firstName'], $user_data['lastName']); |
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115 | } |
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116 | |||
117 | return [$thumbnail, $image, $name, $author, $url]; |
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118 | } else { |
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119 | return []; |
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120 | } |
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121 | } |
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122 | } |
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123 |