chamilo /
chamilo-lms
| Total Complexity | 125 |
| Total Lines | 1206 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like CourseCategory often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CourseCategory, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 7 | class CourseCategory |
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| 8 | { |
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| 9 | /** |
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| 10 | * Returns the category fields from the database from an int ID |
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| 11 | * @param int $categoryId The category ID |
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| 12 | * @return array |
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| 13 | */ |
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| 14 | public static function getCategoryById($categoryId) |
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| 15 | { |
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| 16 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 17 | $categoryId = intval($categoryId); |
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| 18 | $sql = "SELECT * FROM $table WHERE id = $categoryId"; |
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| 19 | $result = Database::query($sql); |
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| 20 | if (Database::num_rows($result)) { |
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| 21 | return Database::fetch_array($result, 'ASSOC'); |
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| 22 | } |
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| 23 | |||
| 24 | return []; |
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| 25 | } |
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| 26 | |||
| 27 | /** |
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| 28 | * Get category details from a simple category code |
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| 29 | * @param string $category The literal category code |
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| 30 | * @return array |
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| 31 | */ |
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| 32 | public static function getCategory($category) |
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| 33 | { |
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| 34 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 35 | $category = Database::escape_string($category); |
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| 36 | $sql = "SELECT * FROM $table WHERE code ='$category'"; |
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| 37 | $result = Database::query($sql); |
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| 38 | if (Database::num_rows($result)) { |
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| 39 | return Database::fetch_array($result, 'ASSOC'); |
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| 40 | } |
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| 41 | |||
| 42 | return []; |
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| 43 | } |
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| 44 | |||
| 45 | /** |
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| 46 | * @param string $category Optional. Parent category code |
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| 47 | * @return array |
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| 48 | */ |
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| 49 | public static function getCategories($category = null) |
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| 50 | { |
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| 51 | $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 52 | $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); |
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| 53 | $category = Database::escape_string($category); |
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| 54 | $conditions = null; |
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| 55 | |||
| 56 | $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); |
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| 57 | $conditions = " INNER JOIN $table a ON (t1.id = a.course_category_id)"; |
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| 58 | $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); |
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| 59 | |||
| 60 | $parentIdCondition = " AND (t1.parent_id IS NULL OR t1.parent_id = '' )"; |
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| 61 | if (!empty($category)) { |
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| 62 | $parentIdCondition = " AND t1.parent_id = '$category' "; |
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| 63 | } |
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| 64 | |||
| 65 | $sql = "SELECT |
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| 66 | t1.name, |
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| 67 | t1.code, |
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| 68 | t1.parent_id, |
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| 69 | t1.tree_pos, |
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| 70 | t1.children_count, |
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| 71 | COUNT(DISTINCT t3.code) AS nbr_courses |
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| 72 | FROM $tbl_category t1 |
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| 73 | $conditions |
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| 74 | LEFT JOIN $tbl_category t2 |
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| 75 | ON t1.code = t2.parent_id |
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| 76 | LEFT JOIN $tbl_course t3 |
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| 77 | ON t3.category_code=t1.code |
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| 78 | WHERE |
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| 79 | 1 = 1 |
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| 80 | $parentIdCondition |
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| 81 | $whereCondition |
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| 82 | GROUP BY t1.name, |
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| 83 | t1.code, |
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| 84 | t1.parent_id, |
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| 85 | t1.tree_pos, |
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| 86 | t1.children_count |
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| 87 | ORDER BY t1.tree_pos"; |
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| 88 | |||
| 89 | $result = Database::query($sql); |
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| 90 | $categories = Database::store_result($result); |
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| 91 | |||
| 92 | return $categories; |
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| 93 | } |
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| 94 | |||
| 95 | /** |
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| 96 | * @param string $code |
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| 97 | * @param string $name |
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| 98 | * @param string $canHaveCourses |
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| 99 | * @param int $parent_id |
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| 100 | * |
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| 101 | * @return bool |
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| 102 | */ |
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| 103 | public static function addNode($code, $name, $canHaveCourses, $parent_id) |
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| 104 | { |
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| 105 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 106 | $code = trim($code); |
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| 107 | $name = trim($name); |
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| 108 | $parent_id = trim($parent_id); |
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| 109 | |||
| 110 | $code = CourseManager::generate_course_code($code); |
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| 111 | $sql = "SELECT 1 FROM $table |
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| 112 | WHERE code = '".Database::escape_string($code)."'"; |
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| 113 | $result = Database::query($sql); |
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| 114 | if (Database::num_rows($result)) { |
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| 115 | return false; |
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| 116 | } |
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| 117 | $result = Database::query("SELECT MAX(tree_pos) AS maxTreePos FROM $table"); |
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| 118 | $row = Database::fetch_array($result); |
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| 119 | $tree_pos = $row['maxTreePos'] + 1; |
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| 120 | |||
| 121 | $params = [ |
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| 122 | 'name' => $name, |
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| 123 | 'code' => $code, |
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| 124 | 'parent_id' => empty($parent_id) ? null : $parent_id, |
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| 125 | 'tree_pos' => $tree_pos, |
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| 126 | 'children_count' => 0, |
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| 127 | 'auth_course_child' => $canHaveCourses, |
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| 128 | 'auth_cat_child' => 'TRUE' |
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| 129 | ]; |
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| 130 | |||
| 131 | $categoryId = Database::insert($table, $params); |
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| 132 | |||
| 133 | self::updateParentCategoryChildrenCount($parent_id, 1); |
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| 134 | self::addToUrl($categoryId); |
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|
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| 135 | |||
| 136 | return $categoryId; |
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| 137 | } |
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| 138 | |||
| 139 | /** |
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| 140 | * Recursive function that updates the count of children in the parent |
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| 141 | * @param string $categoryId Category ID |
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| 142 | * @param int $delta The number to add or delete (1 to add one, -1 to remove one) |
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| 143 | */ |
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| 144 | public static function updateParentCategoryChildrenCount($categoryId, $delta = 1) |
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| 145 | { |
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| 146 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 147 | $categoryId = Database::escape_string($categoryId); |
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| 148 | $delta = intval($delta); |
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| 149 | // First get to the highest level possible in the tree |
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| 150 | $result = Database::query("SELECT parent_id FROM $table WHERE code = '$categoryId'"); |
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| 151 | $row = Database::fetch_array($result); |
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| 152 | if ($row !== false and $row['parent_id'] != 0) { |
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| 153 | // if a parent was found, enter there to see if he's got one more parent |
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| 154 | self::updateParentCategoryChildrenCount($row['parent_id'], $delta); |
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| 155 | } |
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| 156 | // Now we're at the top, get back down to update each child |
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| 157 | //$children_count = courseCategoryChildrenCount($categoryId); |
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| 158 | if ($delta >= 0) { |
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| 159 | $sql = "UPDATE $table SET children_count = (children_count + $delta) |
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| 160 | WHERE code = '$categoryId'"; |
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| 161 | } else { |
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| 162 | $sql = "UPDATE $table SET children_count = (children_count - ".abs($delta).") |
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| 163 | WHERE code = '$categoryId'"; |
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| 164 | } |
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| 165 | Database::query($sql); |
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| 166 | } |
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| 167 | |||
| 168 | /** |
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| 169 | * @param string $node |
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| 170 | */ |
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| 171 | public static function deleteNode($node) |
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| 172 | { |
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| 173 | $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); |
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| 174 | $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 175 | $node = Database::escape_string($node); |
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| 176 | $result = Database::query("SELECT parent_id, tree_pos FROM $tbl_category WHERE code='$node'"); |
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| 177 | |||
| 178 | if ($row = Database::fetch_array($result)) { |
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| 179 | if (!empty($row['parent_id'])) { |
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| 180 | Database::query( |
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| 181 | "UPDATE $tbl_course SET category_code = '".$row['parent_id']."' WHERE category_code='$node'" |
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| 182 | ); |
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| 183 | Database::query("UPDATE $tbl_category SET parent_id='".$row['parent_id']."' WHERE parent_id='$node'"); |
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| 184 | } else { |
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| 185 | Database::query("UPDATE $tbl_course SET category_code='' WHERE category_code='$node'"); |
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| 186 | Database::query("UPDATE $tbl_category SET parent_id=NULL WHERE parent_id='$node'"); |
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| 187 | } |
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| 188 | |||
| 189 | Database::query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '".$row['tree_pos']."'"); |
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| 190 | Database::query("DELETE FROM $tbl_category WHERE code='$node'"); |
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| 191 | |||
| 192 | if (!empty($row['parent_id'])) { |
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| 193 | self::updateParentCategoryChildrenCount($row['parent_id'], -1); |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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| 197 | |||
| 198 | /** |
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| 199 | * @param string $code |
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| 200 | * @param string $name |
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| 201 | * @param string $canHaveCourses |
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| 202 | * @param string $old_code |
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| 203 | * @return bool |
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| 204 | */ |
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| 205 | public static function editNode($code, $name, $canHaveCourses, $old_code) |
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| 206 | { |
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| 207 | $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); |
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| 208 | $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 209 | |||
| 210 | $code = trim(Database::escape_string($code)); |
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| 211 | $name = trim(Database::escape_string($name)); |
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| 212 | $old_code = Database::escape_string($old_code); |
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| 213 | $canHaveCourses = Database::escape_string($canHaveCourses); |
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| 214 | |||
| 215 | $code = CourseManager::generate_course_code($code); |
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| 216 | // Updating category |
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| 217 | $sql = "UPDATE $tbl_category SET |
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| 218 | name='$name', |
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| 219 | code='$code', |
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| 220 | auth_course_child = '$canHaveCourses' |
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| 221 | WHERE code = '$old_code'"; |
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| 222 | Database::query($sql); |
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| 223 | |||
| 224 | // Updating children |
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| 225 | $sql = "UPDATE $tbl_category SET parent_id = '$code' |
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| 226 | WHERE parent_id = '$old_code'"; |
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| 227 | Database::query($sql); |
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| 228 | |||
| 229 | // Updating course category |
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| 230 | $sql = "UPDATE $tbl_course SET category_code = '$code' |
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| 231 | WHERE category_code = '$old_code' "; |
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| 232 | Database::query($sql); |
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| 233 | |||
| 234 | return true; |
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| 235 | } |
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| 236 | |||
| 237 | /** |
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| 238 | * Move a node up on display |
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| 239 | * @param string $code |
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| 240 | * @param int $tree_pos |
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| 241 | * @param string $parent_id |
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| 242 | * |
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| 243 | * @return bool |
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| 244 | */ |
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| 245 | public static function moveNodeUp($code, $tree_pos, $parent_id) |
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| 246 | { |
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| 247 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 248 | $code = Database::escape_string($code); |
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| 249 | $tree_pos = intval($tree_pos); |
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| 250 | $parent_id = Database::escape_string($parent_id); |
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| 251 | |||
| 252 | $parentIdCondition = " AND (parent_id IS NULL OR parent_id = '' )"; |
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| 253 | if (!empty($parent_id)) { |
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| 254 | $parentIdCondition = " AND parent_id = '$parent_id' "; |
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| 255 | } |
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| 256 | |||
| 257 | $sql = "SELECT code,tree_pos |
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| 258 | FROM $table |
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| 259 | WHERE |
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| 260 | tree_pos < $tree_pos |
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| 261 | $parentIdCondition |
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| 262 | ORDER BY tree_pos DESC |
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| 263 | LIMIT 0,1"; |
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| 264 | |||
| 265 | $result = Database::query($sql); |
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| 266 | if (!$row = Database::fetch_array($result)) { |
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| 267 | $sql = "SELECT code, tree_pos |
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| 268 | FROM $table |
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| 269 | WHERE |
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| 270 | tree_pos > $tree_pos |
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| 271 | $parentIdCondition |
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| 272 | ORDER BY tree_pos DESC |
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| 273 | LIMIT 0,1"; |
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| 274 | $result2 = Database::query($sql); |
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| 275 | if (!$row = Database::fetch_array($result2)) { |
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| 276 | return false; |
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| 277 | } |
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| 278 | } |
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| 279 | |||
| 280 | $sql = "UPDATE $table |
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| 281 | SET tree_pos ='".$row['tree_pos']."' |
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| 282 | WHERE code='$code'"; |
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| 283 | Database::query($sql); |
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| 284 | |||
| 285 | $sql = "UPDATE $table |
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| 286 | SET tree_pos = '$tree_pos' |
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| 287 | WHERE code= '".$row['code']."'"; |
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| 288 | Database::query($sql); |
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| 289 | |||
| 290 | return true; |
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| 291 | } |
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| 292 | |||
| 293 | /** |
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| 294 | * Counts the number of children categories a category has |
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| 295 | * @param int $categoryId The ID of the category of which we want to count the children |
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| 296 | * |
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| 297 | * @return mixed The number of subcategories this category has |
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| 298 | */ |
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| 299 | public static function courseCategoryChildrenCount($categoryId) |
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| 300 | { |
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| 301 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 302 | $categoryId = intval($categoryId); |
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| 303 | $count = 0; |
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| 304 | if (empty($categoryId)) { |
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| 305 | return 0; |
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| 306 | } |
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| 307 | $sql = "SELECT id, code FROM $table |
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| 308 | WHERE parent_id = $categoryId"; |
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| 309 | $result = Database::query($sql); |
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| 310 | while ($row = Database::fetch_array($result)) { |
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| 311 | $count += self::courseCategoryChildrenCount($row['id']); |
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| 312 | } |
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| 313 | $sql = "UPDATE $table SET |
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| 314 | children_count = $count |
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| 315 | WHERE id = $categoryId"; |
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| 316 | Database::query($sql); |
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| 317 | |||
| 318 | return $count + 1; |
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| 319 | } |
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| 320 | |||
| 321 | /** |
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| 322 | * @param string $categoryCode |
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| 323 | * |
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| 324 | * @return array |
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| 325 | */ |
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| 326 | public static function getChildren($categoryCode) |
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| 327 | { |
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| 328 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 329 | $categoryCode = Database::escape_string($categoryCode); |
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| 330 | $sql = "SELECT code, id FROM $table |
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| 331 | WHERE parent_id = '$categoryCode'"; |
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| 332 | $result = Database::query($sql); |
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| 333 | $children = []; |
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| 334 | while ($row = Database::fetch_array($result, 'ASSOC')) { |
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| 335 | $children[] = $row; |
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| 336 | $subChildren = self::getChildren($row['code']); |
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| 337 | $children = array_merge($children, $subChildren); |
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| 338 | } |
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| 339 | |||
| 340 | return $children; |
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| 341 | } |
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| 342 | |||
| 343 | /** |
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| 344 | * @param string $categoryCode |
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| 345 | * |
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| 346 | * @return array |
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| 347 | */ |
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| 348 | public static function getParents($categoryCode) |
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| 349 | { |
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| 350 | if (empty($categoryCode)) { |
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| 351 | return []; |
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| 352 | } |
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| 353 | |||
| 354 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 355 | $categoryCode = Database::escape_string($categoryCode); |
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| 356 | $sql = "SELECT code, parent_id |
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| 357 | FROM $table |
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| 358 | WHERE code = '$categoryCode'"; |
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| 359 | |||
| 360 | $result = Database::query($sql); |
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| 361 | $children = []; |
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| 362 | while ($row = Database::fetch_array($result, 'ASSOC')) { |
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| 363 | $parent = self::getCategory($row['parent_id']); |
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| 364 | $children[] = $row; |
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| 365 | $subChildren = self::getParents($parent ? $parent['code'] : null); |
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| 366 | $children = array_merge($children, $subChildren); |
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| 367 | } |
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| 368 | |||
| 369 | return $children; |
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| 370 | } |
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| 371 | |||
| 372 | /** |
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| 373 | * @param string $categoryCode |
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| 374 | * @return null|string |
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| 375 | */ |
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| 376 | public static function getParentsToString($categoryCode) |
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| 377 | { |
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| 378 | $parents = self::getParents($categoryCode); |
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| 379 | |||
| 380 | if (!empty($parents)) { |
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| 381 | $parents = array_reverse($parents); |
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| 382 | $categories = []; |
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| 383 | foreach ($parents as $category) { |
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| 384 | $categories[] = $category['code']; |
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| 385 | } |
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| 386 | $categoriesInString = implode(' > ', $categories).' > '; |
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| 387 | |||
| 388 | return $categoriesInString; |
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| 389 | } |
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| 390 | |||
| 391 | return null; |
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| 392 | } |
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| 393 | |||
| 394 | /** |
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| 395 | * @param string $categorySource |
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| 396 | * |
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| 397 | * @return string |
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| 398 | */ |
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| 399 | public static function listCategories($categorySource) |
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| 400 | { |
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| 401 | $categorySource = isset($categorySource) ? $categorySource : null; |
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| 402 | $categories = self::getCategories($categorySource); |
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| 403 | |||
| 404 | if (count($categories) > 0) { |
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| 405 | $table = new HTML_Table(['class' => 'data_table']); |
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| 406 | $column = 0; |
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| 407 | $row = 0; |
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| 408 | $headers = [ |
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| 409 | get_lang('Category'), |
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| 410 | get_lang('SubCat'), |
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| 411 | get_lang('Courses'), |
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| 412 | get_lang('Actions') |
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| 413 | ]; |
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| 414 | foreach ($headers as $header) { |
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| 415 | $table->setHeaderContents($row, $column, $header); |
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| 416 | $column++; |
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| 417 | } |
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| 418 | $row++; |
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| 419 | $mainUrl = api_get_path(WEB_CODE_PATH).'admin/course_category.php?category='.$categorySource; |
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| 420 | |||
| 421 | $editIcon = Display::return_icon( |
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| 422 | 'edit.png', |
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| 423 | get_lang('EditNode'), |
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| 424 | null, |
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| 425 | ICON_SIZE_SMALL |
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| 426 | ); |
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| 427 | $deleteIcon = Display::return_icon( |
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| 428 | 'delete.png', |
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| 429 | get_lang('DeleteNode'), |
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| 430 | null, |
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| 431 | ICON_SIZE_SMALL |
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| 432 | ); |
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| 433 | $moveIcon = Display::return_icon( |
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| 434 | 'up.png', |
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| 435 | get_lang('UpInSameLevel'), |
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| 436 | null, |
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| 437 | ICON_SIZE_SMALL |
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| 438 | ); |
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| 439 | |||
| 440 | foreach ($categories as $category) { |
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| 441 | $editUrl = $mainUrl.'&id='.$category['code'].'&action=edit'; |
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| 442 | $moveUrl = $mainUrl.'&id='.$category['code'].'&action=moveUp&tree_pos='.$category['tree_pos']; |
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| 443 | $deleteUrl = $mainUrl.'&id='.$category['code'].'&action=delete'; |
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| 444 | |||
| 445 | $actions = Display::url($editIcon, $editUrl). |
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| 446 | Display::url($moveIcon, $moveUrl). |
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| 447 | Display::url($deleteIcon, $deleteUrl); |
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| 448 | |||
| 449 | $url = api_get_path(WEB_CODE_PATH).'admin/course_category.php?category='.$category['code']; |
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| 450 | $title = Display::url( |
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| 451 | Display::return_icon( |
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| 452 | 'folder_document.gif', |
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| 453 | get_lang('OpenNode'), |
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| 454 | null, |
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| 455 | ICON_SIZE_SMALL |
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| 456 | ).' '.$category['name'].' ('.$category['code'].')', |
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| 457 | $url |
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| 458 | ); |
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| 459 | $content = [ |
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| 460 | $title, |
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| 461 | $category['children_count'], |
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| 462 | $category['nbr_courses'], |
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| 463 | $actions |
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| 464 | ]; |
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| 465 | $column = 0; |
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| 466 | foreach ($content as $value) { |
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| 467 | $table->setCellContents($row, $column, $value); |
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| 468 | $column++; |
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| 469 | } |
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| 470 | $row++; |
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| 471 | } |
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| 472 | |||
| 473 | return $table->toHtml(); |
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| 474 | } else { |
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| 475 | return Display::return_message(get_lang('NoCategories'), 'warning'); |
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| 476 | } |
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| 477 | } |
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| 478 | |||
| 479 | /** |
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| 480 | * @return array |
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| 481 | */ |
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| 482 | public static function getCategoriesToDisplayInHomePage() |
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| 483 | { |
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| 484 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
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| 485 | $sql = "SELECT name FROM $table |
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| 486 | WHERE parent_id IS NULL |
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| 487 | ORDER BY tree_pos"; |
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| 488 | |||
| 489 | return Database::store_result(Database::query($sql)); |
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| 490 | } |
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| 491 | |||
| 492 | /** |
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| 493 | * @param int $id |
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| 494 | * |
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| 495 | * @return bool |
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| 496 | */ |
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| 497 | public static function addToUrl($id) |
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| 498 | { |
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| 499 | UrlManager::addCourseCategoryListToUrl( |
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| 500 | [$id], |
||
| 501 | [api_get_current_access_url_id()] |
||
| 502 | ); |
||
| 503 | } |
||
| 504 | |||
| 505 | /** |
||
| 506 | * @param string $categoryCode |
||
| 507 | * |
||
| 508 | * @return array |
||
| 509 | */ |
||
| 510 | public static function getCategoriesCanBeAddedInCourse($categoryCode) |
||
| 511 | { |
||
| 512 | $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); |
||
| 513 | $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; |
||
| 514 | $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); |
||
| 515 | |||
| 516 | $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); |
||
| 517 | $sql = "SELECT code, name |
||
| 518 | FROM $tbl_category c |
||
| 519 | $conditions |
||
| 520 | WHERE (auth_course_child = 'TRUE' OR code = '".Database::escape_string($categoryCode)."') |
||
| 521 | $whereCondition |
||
| 522 | ORDER BY tree_pos"; |
||
| 523 | $res = Database::query($sql); |
||
| 524 | |||
| 525 | $categories[''] = '-'; |
||
| 526 | while ($cat = Database::fetch_array($res)) { |
||
| 527 | $categories[$cat['code']] = '('.$cat['code'].') '.$cat['name']; |
||
| 528 | ksort($categories); |
||
| 529 | } |
||
| 530 | |||
| 531 | return $categories; |
||
| 532 | } |
||
| 533 | |||
| 534 | /** |
||
| 535 | * @return array |
||
| 536 | */ |
||
| 537 | public static function browseCourseCategories() |
||
| 538 | { |
||
| 539 | $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); |
||
| 540 | $conditions = null; |
||
| 541 | |||
| 542 | $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); |
||
| 543 | $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; |
||
| 544 | $whereCondition = " WHERE a.access_url_id = ".api_get_current_access_url_id(); |
||
| 545 | |||
| 546 | $sql = "SELECT c.* FROM $tbl_category c |
||
| 547 | $conditions |
||
| 548 | $whereCondition |
||
| 549 | ORDER BY tree_pos ASC"; |
||
| 550 | $result = Database::query($sql); |
||
| 551 | $url_access_id = 1; |
||
| 552 | if (api_is_multiple_url_enabled()) { |
||
| 553 | $url_access_id = api_get_current_access_url_id(); |
||
| 554 | } |
||
| 555 | |||
| 556 | $countCourses = CourseManager::countAvailableCourses($url_access_id); |
||
| 557 | |||
| 558 | $categories = []; |
||
| 559 | $categories[0][0] = [ |
||
| 560 | 'id' => 0, |
||
| 561 | 'name' => get_lang('DisplayAll'), |
||
| 562 | 'code' => 'ALL', |
||
| 563 | 'parent_id' => null, |
||
| 564 | 'tree_pos' => 0, |
||
| 565 | 'count_courses' => $countCourses |
||
| 566 | ]; |
||
| 567 | |||
| 568 | while ($row = Database::fetch_array($result)) { |
||
| 569 | $count_courses = self::countCoursesInCategory($row['code']); |
||
| 570 | $row['count_courses'] = $count_courses; |
||
| 571 | if (!isset($row['parent_id'])) { |
||
| 572 | $categories[0][$row['tree_pos']] = $row; |
||
| 573 | } else { |
||
| 574 | $categories[$row['parent_id']][$row['tree_pos']] = $row; |
||
| 575 | } |
||
| 576 | } |
||
| 577 | |||
| 578 | $count_courses = self::countCoursesInCategory(); |
||
| 579 | |||
| 580 | $categories[0][count($categories[0]) + 1] = [ |
||
| 581 | 'id' => 0, |
||
| 582 | 'name' => get_lang('None'), |
||
| 583 | 'code' => 'NONE', |
||
| 584 | 'parent_id' => null, |
||
| 585 | 'tree_pos' => $row['tree_pos'] + 1, |
||
| 586 | 'children_count' => 0, |
||
| 587 | 'auth_course_child' => true, |
||
| 588 | 'auth_cat_child' => true, |
||
| 589 | 'count_courses' => $count_courses |
||
| 590 | ]; |
||
| 591 | |||
| 592 | return $categories; |
||
| 593 | } |
||
| 594 | |||
| 595 | /** |
||
| 596 | * @param string $category_code |
||
| 597 | * @param string $searchTerm |
||
| 598 | * @return int |
||
| 599 | */ |
||
| 600 | public static function countCoursesInCategory($category_code = '', $searchTerm = '') |
||
| 649 | } |
||
| 650 | |||
| 651 | /** |
||
| 652 | * @param string $category_code |
||
| 653 | * @param int $random_value |
||
| 654 | * @param array $limit will be used if $random_value is not set. |
||
| 655 | * This array should contains 'start' and 'length' keys |
||
| 656 | * @return array |
||
| 657 | */ |
||
| 658 | public static function browseCoursesInCategory($category_code, $random_value = null, $limit = []) |
||
| 659 | { |
||
| 660 | $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); |
||
| 661 | $specialCourseList = CourseManager::get_special_course_list(); |
||
| 662 | $without_special_courses = ''; |
||
| 663 | if (!empty($specialCourseList)) { |
||
| 664 | $without_special_courses = ' AND course.id NOT IN ("'.implode('","', $specialCourseList).'")'; |
||
| 665 | } |
||
| 666 | $visibilityCondition = CourseManager::getCourseVisibilitySQLCondition( |
||
| 667 | 'course', |
||
| 668 | true |
||
| 669 | ); |
||
| 670 | |||
| 671 | if (!empty($random_value)) { |
||
| 672 | $random_value = intval($random_value); |
||
| 673 | |||
| 674 | $sql = "SELECT COUNT(*) FROM $tbl_course"; |
||
| 675 | $result = Database::query($sql); |
||
| 676 | list($num_records) = Database::fetch_row($result); |
||
| 677 | |||
| 678 | if (api_is_multiple_url_enabled()) { |
||
| 679 | $url_access_id = api_get_current_access_url_id(); |
||
| 680 | $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); |
||
| 681 | |||
| 682 | $sql = "SELECT COUNT(*) FROM $tbl_course course |
||
| 683 | INNER JOIN $tbl_url_rel_course as url_rel_course |
||
| 684 | ON (url_rel_course.c_id = course.id) |
||
| 685 | WHERE access_url_id = $url_access_id "; |
||
| 686 | $result = Database::query($sql); |
||
| 687 | list($num_records) = Database::fetch_row($result); |
||
| 688 | |||
| 689 | $sql = "SELECT course.id, course.id as real_id |
||
| 690 | FROM $tbl_course course |
||
| 691 | INNER JOIN $tbl_url_rel_course as url_rel_course |
||
| 692 | ON (url_rel_course.c_id = course.id) |
||
| 693 | WHERE |
||
| 694 | access_url_id = $url_access_id AND |
||
| 695 | RAND()*$num_records< $random_value |
||
| 696 | $without_special_courses |
||
| 697 | $visibilityCondition |
||
| 698 | ORDER BY RAND() |
||
| 699 | LIMIT 0, $random_value"; |
||
| 700 | } else { |
||
| 701 | $sql = "SELECT id, id as real_id FROM $tbl_course course |
||
| 702 | WHERE |
||
| 703 | RAND()*$num_records< $random_value |
||
| 704 | $without_special_courses |
||
| 705 | $visibilityCondition |
||
| 706 | ORDER BY RAND() |
||
| 707 | LIMIT 0, $random_value"; |
||
| 708 | } |
||
| 709 | |||
| 710 | $result = Database::query($sql); |
||
| 711 | $id_in = null; |
||
| 712 | while (list($id) = Database::fetch_row($result)) { |
||
| 713 | if ($id_in) { |
||
| 714 | $id_in .= ",$id"; |
||
| 715 | } else { |
||
| 716 | $id_in = "$id"; |
||
| 717 | } |
||
| 718 | } |
||
| 719 | if ($id_in === null) { |
||
| 720 | return []; |
||
| 721 | } |
||
| 722 | $sql = "SELECT *, id as real_id FROM $tbl_course WHERE id IN($id_in)"; |
||
| 723 | } else { |
||
| 724 | $limitFilter = self::getLimitFilterFromArray($limit); |
||
| 725 | $category_code = Database::escape_string($category_code); |
||
| 726 | if (empty($category_code) || $category_code == "ALL") { |
||
| 727 | $sql = "SELECT *, id as real_id FROM $tbl_course |
||
| 728 | WHERE |
||
| 729 | 1=1 |
||
| 730 | $without_special_courses |
||
| 731 | $visibilityCondition |
||
| 732 | ORDER BY title $limitFilter "; |
||
| 733 | } else { |
||
| 734 | if ($category_code == 'NONE') { |
||
| 735 | $category_code = ''; |
||
| 736 | } |
||
| 737 | $sql = "SELECT *, id as real_id FROM $tbl_course |
||
| 738 | WHERE |
||
| 739 | category_code='$category_code' |
||
| 740 | $without_special_courses |
||
| 741 | $visibilityCondition |
||
| 742 | ORDER BY title $limitFilter "; |
||
| 743 | } |
||
| 744 | |||
| 745 | // Showing only the courses of the current Chamilo access_url_id |
||
| 746 | if (api_is_multiple_url_enabled()) { |
||
| 747 | $url_access_id = api_get_current_access_url_id(); |
||
| 748 | $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); |
||
| 749 | if ($category_code != "ALL") { |
||
| 750 | $sql = "SELECT *, course.id real_id FROM $tbl_course as course |
||
| 751 | INNER JOIN $tbl_url_rel_course as url_rel_course |
||
| 752 | ON (url_rel_course.c_id = course.id) |
||
| 753 | WHERE |
||
| 754 | access_url_id = $url_access_id AND |
||
| 755 | category_code='$category_code' |
||
| 756 | $without_special_courses |
||
| 757 | $visibilityCondition |
||
| 758 | ORDER BY title $limitFilter"; |
||
| 759 | } else { |
||
| 760 | $sql = "SELECT *, course.id real_id FROM $tbl_course as course |
||
| 761 | INNER JOIN $tbl_url_rel_course as url_rel_course |
||
| 762 | ON (url_rel_course.c_id = course.id) |
||
| 763 | WHERE |
||
| 764 | access_url_id = $url_access_id |
||
| 765 | $without_special_courses |
||
| 766 | $visibilityCondition |
||
| 767 | ORDER BY title $limitFilter"; |
||
| 768 | } |
||
| 769 | } |
||
| 770 | } |
||
| 771 | |||
| 772 | $result = Database::query($sql); |
||
| 773 | $courses = []; |
||
| 774 | while ($row = Database::fetch_array($result)) { |
||
| 775 | $row['registration_code'] = !empty($row['registration_code']); |
||
| 776 | $count_users = CourseManager::get_users_count_in_course($row['code']); |
||
| 777 | $count_connections_last_month = Tracking::get_course_connections_count( |
||
| 778 | $row['id'], |
||
| 779 | 0, |
||
| 780 | api_get_utc_datetime(time() - (30 * 86400)) |
||
| 781 | ); |
||
| 782 | |||
| 783 | if ($row['tutor_name'] == '0') { |
||
| 784 | $row['tutor_name'] = get_lang('NoManager'); |
||
| 785 | } |
||
| 786 | $point_info = CourseManager::get_course_ranking($row['id'], 0); |
||
| 787 | $courses[] = [ |
||
| 788 | 'real_id' => $row['real_id'], |
||
| 789 | 'point_info' => $point_info, |
||
| 790 | 'code' => $row['code'], |
||
| 791 | 'directory' => $row['directory'], |
||
| 792 | 'visual_code' => $row['visual_code'], |
||
| 793 | 'title' => $row['title'], |
||
| 794 | 'tutor' => $row['tutor_name'], |
||
| 795 | 'subscribe' => $row['subscribe'], |
||
| 796 | 'unsubscribe' => $row['unsubscribe'], |
||
| 797 | 'registration_code' => $row['registration_code'], |
||
| 798 | 'creation_date' => $row['creation_date'], |
||
| 799 | 'visibility' => $row['visibility'], |
||
| 800 | 'category' => $row['category_code'], |
||
| 801 | 'count_users' => $count_users, |
||
| 802 | 'count_connections' => $count_connections_last_month |
||
| 803 | ]; |
||
| 804 | } |
||
| 805 | |||
| 806 | return $courses; |
||
| 807 | } |
||
| 808 | |||
| 809 | /** |
||
| 810 | * create recursively all categories as option of the select passed in parameter. |
||
| 811 | * |
||
| 812 | * @param HTML_QuickForm_Element $element |
||
| 813 | * @param string $defaultCode the option value to select by default (used mainly for edition of courses) |
||
| 814 | * @param string $parentCode the parent category of the categories added (default=null for root category) |
||
| 815 | * @param string $padding the indent param (you shouldn't indicate something here) |
||
| 816 | */ |
||
| 817 | public static function setCategoriesInForm( |
||
| 818 | $element, |
||
| 819 | $defaultCode = null, |
||
| 820 | $parentCode = null, |
||
| 821 | $padding = null |
||
| 822 | ) { |
||
| 823 | $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); |
||
| 824 | |||
| 825 | $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); |
||
| 826 | $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; |
||
| 827 | $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); |
||
| 828 | |||
| 829 | $sql = "SELECT code, name, auth_course_child, auth_cat_child |
||
| 830 | FROM $tbl_category c |
||
| 831 | $conditions |
||
| 832 | WHERE parent_id ".(empty($parentCode) ? "IS NULL" : "='".Database::escape_string($parentCode)."'")." |
||
| 833 | $whereCondition |
||
| 834 | ORDER BY name, code"; |
||
| 835 | $res = Database::query($sql); |
||
| 836 | |||
| 837 | while ($cat = Database::fetch_array($res, 'ASSOC')) { |
||
| 838 | $params = $cat['auth_course_child'] == 'TRUE' ? '' : 'disabled'; |
||
| 839 | $params .= ($cat['code'] == $defaultCode) ? ' selected' : ''; |
||
| 840 | $option = $padding.' '.$cat['name'].' ('.$cat['code'].')'; |
||
| 841 | |||
| 842 | $element->addOption($option, $cat['code'], $params); |
||
| 843 | if ($cat['auth_cat_child'] == 'TRUE') { |
||
| 844 | self::setCategoriesInForm( |
||
| 845 | $element, |
||
| 846 | $defaultCode, |
||
| 847 | $cat['code'], |
||
| 848 | $padding.' - ' |
||
| 849 | ); |
||
| 850 | } |
||
| 851 | } |
||
| 852 | } |
||
| 853 | |||
| 854 | /** |
||
| 855 | * @param array $list |
||
| 856 | * @return array |
||
| 857 | */ |
||
| 858 | public static function getCourseCategoryNotInList($list) |
||
| 859 | { |
||
| 860 | $table = Database::get_main_table(TABLE_MAIN_CATEGORY); |
||
| 861 | |||
| 862 | if (empty($list)) { |
||
| 863 | $sql = "SELECT * FROM $table |
||
| 864 | WHERE (parent_id IS NULL) "; |
||
| 865 | $result = Database::query($sql); |
||
| 866 | |||
| 867 | return Database::store_result($result, 'ASSOC'); |
||
| 868 | } |
||
| 869 | |||
| 870 | $list = array_map('intval', $list); |
||
| 871 | $listToString = implode("','", $list); |
||
| 872 | |||
| 873 | $sql = "SELECT * FROM $table |
||
| 874 | WHERE id NOT IN ('$listToString') AND (parent_id IS NULL) "; |
||
| 875 | $result = Database::query($sql); |
||
| 876 | |||
| 877 | return Database::store_result($result, 'ASSOC'); |
||
| 878 | } |
||
| 879 | |||
| 880 | /** |
||
| 881 | * @param string $keyword |
||
| 882 | * @return array|null |
||
| 883 | */ |
||
| 884 | public static function searchCategoryByKeyword($keyword) |
||
| 885 | { |
||
| 886 | if (empty($keyword)) { |
||
| 887 | return null; |
||
| 888 | } |
||
| 889 | |||
| 890 | $tableCategory = Database::get_main_table(TABLE_MAIN_CATEGORY); |
||
| 891 | $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); |
||
| 892 | $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; |
||
| 893 | $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); |
||
| 894 | |||
| 895 | $keyword = Database::escape_string($keyword); |
||
| 896 | |||
| 897 | $sql = "SELECT c.*, c.name as text |
||
| 898 | FROM $tableCategory c $conditions |
||
| 899 | WHERE |
||
| 900 | ( |
||
| 901 | c.code LIKE '%$keyword%' OR name LIKE '%$keyword%' |
||
| 902 | ) AND auth_course_child = 'TRUE' |
||
| 903 | $whereCondition "; |
||
| 904 | $result = Database::query($sql); |
||
| 905 | |||
| 906 | return Database::store_result($result, 'ASSOC'); |
||
| 907 | } |
||
| 908 | |||
| 909 | /** |
||
| 910 | * @param array $list |
||
| 911 | * @return array |
||
| 912 | */ |
||
| 913 | public static function searchCategoryById($list) |
||
| 914 | { |
||
| 915 | if (empty($list)) { |
||
| 916 | return []; |
||
| 917 | } else { |
||
| 918 | $list = array_map('intval', $list); |
||
| 919 | $list = implode("','", $list); |
||
| 920 | } |
||
| 921 | |||
| 922 | $tableCategory = Database::get_main_table(TABLE_MAIN_CATEGORY); |
||
| 923 | |||
| 924 | $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); |
||
| 925 | $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; |
||
| 926 | $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); |
||
| 927 | |||
| 928 | $sql = "SELECT c.*, c.name as text FROM $tableCategory c $conditions |
||
| 929 | WHERE c.id IN $list $whereCondition"; |
||
| 930 | $result = Database::query($sql); |
||
| 931 | |||
| 932 | return Database::store_result($result, 'ASSOC'); |
||
| 933 | } |
||
| 934 | |||
| 935 | /** |
||
| 936 | * @return array |
||
| 937 | */ |
||
| 938 | public static function getLimitArray() |
||
| 939 | { |
||
| 940 | $pageCurrent = isset($_REQUEST['pageCurrent']) ? intval($_GET['pageCurrent']) : 1; |
||
| 941 | $pageLength = isset($_REQUEST['pageLength']) ? intval($_GET['pageLength']) : CoursesAndSessionsCatalog::PAGE_LENGTH; |
||
| 942 | |||
| 943 | return [ |
||
| 944 | 'start' => ($pageCurrent - 1) * $pageLength, |
||
| 945 | 'current' => $pageCurrent, |
||
| 946 | 'length' => $pageLength |
||
| 947 | ]; |
||
| 948 | } |
||
| 949 | |||
| 950 | /** |
||
| 951 | * Return LIMIT to filter SQL query |
||
| 952 | * @param array $limit |
||
| 953 | * @return string |
||
| 954 | */ |
||
| 955 | public static function getLimitFilterFromArray($limit) |
||
| 965 | } |
||
| 966 | |||
| 967 | /** |
||
| 968 | * Get Pagination HTML div |
||
| 969 | * @param $pageCurrent |
||
| 970 | * @param $pageLength |
||
| 971 | * @param $pageTotal |
||
| 972 | * @return string |
||
| 973 | */ |
||
| 974 | public static function getCatalogPagination($pageCurrent, $pageLength, $pageTotal) |
||
| 975 | { |
||
| 1026 | } |
||
| 1027 | |||
| 1028 | /** |
||
| 1029 | * Return URL to course catalog |
||
| 1030 | * @param int $pageCurrent |
||
| 1031 | * @param int $pageLength |
||
| 1032 | * @param string $categoryCode |
||
| 1033 | * @param int $hiddenLinks |
||
| 1034 | * @param string $action |
||
| 1035 | * @return string |
||
| 1036 | */ |
||
| 1037 | public static function getCourseCategoryUrl( |
||
| 1038 | $pageCurrent, |
||
| 1039 | $pageLength, |
||
| 1040 | $categoryCode = null, |
||
| 1041 | $hiddenLinks = null, |
||
| 1042 | $action = null |
||
| 1043 | ) { |
||
| 1044 | $requestAction = isset($_REQUEST['action']) ? Security::remove_XSS($_REQUEST['action']) : null; |
||
| 1045 | $action = isset($action) ? Security::remove_XSS($action) : $requestAction; |
||
| 1046 | $searchTerm = isset($_REQUEST['search_term']) ? Security::remove_XSS($_REQUEST['search_term']) : null; |
||
| 1047 | |||
| 1048 | if ($action === 'subscribe_user_with_password') { |
||
| 1049 | $action = 'subscribe'; |
||
| 1050 | } |
||
| 1051 | |||
| 1052 | $categoryCodeRequest = isset($_REQUEST['category_code']) ? Security::remove_XSS($_REQUEST['category_code']) : null; |
||
| 1053 | $categoryCode = isset($categoryCode) ? Security::remove_XSS($categoryCode) : $categoryCodeRequest; |
||
| 1054 | $hiddenLinksRequest = isset($_REQUEST['hidden_links']) ? Security::remove_XSS($_REQUEST['hidden_links']) : null; |
||
| 1055 | $hiddenLinks = isset($hiddenLinks) ? Security::remove_XSS($hiddenLinksRequest) : $categoryCodeRequest; |
||
| 1056 | |||
| 1057 | // Start URL with params |
||
| 1058 | $pageUrl = api_get_self(). |
||
| 1059 | '?action='.$action. |
||
| 1060 | '&category_code='.$categoryCode. |
||
| 1061 | '&hidden_links='.$hiddenLinks. |
||
| 1062 | '&pageCurrent='.$pageCurrent. |
||
| 1063 | '&pageLength='.$pageLength; |
||
| 1064 | |||
| 1065 | switch ($action) { |
||
| 1066 | case 'subscribe': |
||
| 1067 | // for search |
||
| 1068 | $pageUrl .= |
||
| 1069 | '&search_term='.$searchTerm. |
||
| 1070 | '&search_course=1'. |
||
| 1071 | '&sec_token='.Security::getTokenFromSession(); |
||
| 1072 | break; |
||
| 1073 | case 'display_courses': |
||
| 1074 | default: |
||
| 1075 | break; |
||
| 1076 | } |
||
| 1077 | |||
| 1078 | return $pageUrl; |
||
| 1079 | } |
||
| 1080 | |||
| 1081 | /** |
||
| 1082 | * Get li HTML of page number |
||
| 1083 | * @param $pageNumber |
||
| 1084 | * @param $pageLength |
||
| 1085 | * @param array $liAttributes |
||
| 1086 | * @param string $content |
||
| 1087 | * @return string |
||
| 1088 | */ |
||
| 1089 | public static function getPageNumberItem( |
||
| 1090 | $pageNumber, |
||
| 1091 | $pageLength, |
||
| 1092 | $liAttributes = [], |
||
| 1093 | $content = '' |
||
| 1094 | ) { |
||
| 1095 | // Get page URL |
||
| 1096 | $url = self::getCourseCategoryUrl( |
||
| 1097 | $pageNumber, |
||
| 1098 | $pageLength |
||
| 1099 | ); |
||
| 1100 | |||
| 1101 | // If is current page ('active' class) clear URL |
||
| 1102 | if (isset($liAttributes) && is_array($liAttributes) && isset($liAttributes['class'])) { |
||
| 1103 | if (strpos('active', $liAttributes['class']) !== false) { |
||
| 1104 | $url = ''; |
||
| 1105 | } |
||
| 1106 | } |
||
| 1107 | |||
| 1108 | $content = !empty($content) ? $content : $pageNumber; |
||
| 1109 | |||
| 1110 | return Display::tag( |
||
| 1111 | 'li', |
||
| 1112 | Display::url( |
||
| 1113 | $content, |
||
| 1114 | $url |
||
| 1115 | ), |
||
| 1116 | $liAttributes |
||
| 1117 | ); |
||
| 1118 | } |
||
| 1119 | |||
| 1120 | /** |
||
| 1121 | * Return the name tool by action |
||
| 1122 | * @param string $action |
||
| 1123 | * @return string |
||
| 1124 | */ |
||
| 1125 | public static function getCourseCatalogNameTools($action) |
||
| 1126 | { |
||
| 1127 | $nameTools = get_lang('SortMyCourses'); |
||
| 1128 | if (empty($action)) { |
||
| 1129 | return $nameTools; //should never happen |
||
| 1130 | } |
||
| 1131 | |||
| 1132 | switch ($action) { |
||
| 1133 | case 'createcoursecategory': |
||
| 1134 | $nameTools = get_lang('CreateCourseCategory'); |
||
| 1135 | break; |
||
| 1136 | case 'subscribe': |
||
| 1137 | $nameTools = get_lang('CourseManagement'); |
||
| 1138 | break; |
||
| 1139 | case 'subscribe_user_with_password': |
||
| 1140 | $nameTools = get_lang('CourseManagement'); |
||
| 1141 | break; |
||
| 1142 | case 'display_random_courses': |
||
| 1143 | case 'display_courses': |
||
| 1144 | $nameTools = get_lang('CourseManagement'); |
||
| 1145 | break; |
||
| 1146 | case 'display_sessions': |
||
| 1147 | $nameTools = get_lang('Sessions'); |
||
| 1148 | break; |
||
| 1149 | default: |
||
| 1150 | // Nothing to do |
||
| 1151 | break; |
||
| 1152 | } |
||
| 1153 | |||
| 1154 | return $nameTools; |
||
| 1155 | } |
||
| 1156 | |||
| 1157 | /** |
||
| 1158 | * Save image for a course category |
||
| 1159 | * @param int $categoryId Course category ID |
||
| 1160 | * @param array $fileData File data from $_FILES |
||
| 1161 | */ |
||
| 1162 | public static function saveImage($categoryId, $fileData) |
||
| 1191 | ); |
||
| 1192 | } |
||
| 1193 | |||
| 1194 | /** |
||
| 1195 | * @param $categoryId |
||
| 1196 | * @param string $description |
||
| 1197 | * |
||
| 1198 | * @return string |
||
| 1199 | */ |
||
| 1200 | public static function saveDescription($categoryId, $description) |
||
| 1213 | } |
||
| 1214 | } |
||
| 1215 |
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