[2] | 1 | <?php |
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[362] | 2 | // +-----------------------------------------------------------------------+ |
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[8728] | 3 | // | Piwigo - a PHP based photo gallery | |
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[2297] | 4 | // +-----------------------------------------------------------------------+ |
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[12922] | 5 | // | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org | |
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[2297] | 6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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| 7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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| 8 | // +-----------------------------------------------------------------------+ |
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| 9 | // | This program is free software; you can redistribute it and/or modify | |
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| 10 | // | it under the terms of the GNU General Public License as published by | |
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| 11 | // | the Free Software Foundation | |
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| 12 | // | | |
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| 13 | // | This program is distributed in the hope that it will be useful, but | |
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| 14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 16 | // | General Public License for more details. | |
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| 17 | // | | |
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| 18 | // | You should have received a copy of the GNU General Public License | |
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| 19 | // | along with this program; if not, write to the Free Software | |
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| 20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 21 | // | USA. | |
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| 22 | // +-----------------------------------------------------------------------+ |
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[2] | 23 | |
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[423] | 24 | /** |
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| 25 | * Provides functions to handle categories. |
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| 26 | * |
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[1059] | 27 | * |
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[423] | 28 | */ |
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| 29 | |
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| 30 | /** |
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| 31 | * Is the category accessible to the connected user ? |
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| 32 | * |
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| 33 | * Note : if the user is not authorized to see this category, page creation |
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| 34 | * ends (exit command in this function) |
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| 35 | * |
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| 36 | * @param int category id to verify |
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| 37 | * @return void |
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| 38 | */ |
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[808] | 39 | function check_restrictions($category_id) |
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[2] | 40 | { |
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[1113] | 41 | global $user; |
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[2] | 42 | |
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[1677] | 43 | // $filter['visible_categories'] and $filter['visible_images'] |
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| 44 | // are not used because it's not necessary (filter <> restriction) |
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[808] | 45 | if (in_array($category_id, explode(',', $user['forbidden_categories']))) |
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[2] | 46 | { |
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[1113] | 47 | access_denied(); |
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[2] | 48 | } |
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| 49 | } |
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[345] | 50 | |
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[614] | 51 | function get_categories_menu() |
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[2] | 52 | { |
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[11285] | 53 | global $page, $user, $filter, $conf; |
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[1059] | 54 | |
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[1624] | 55 | $query = ' |
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| 56 | SELECT '; |
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| 57 | // From CATEGORIES_TABLE |
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| 58 | $query.= ' |
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[1866] | 59 | id, name, permalink, nb_images, global_rank,'; |
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[1624] | 60 | // From USER_CACHE_CATEGORIES_TABLE |
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| 61 | $query.= ' |
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[1641] | 62 | date_last, max_date_last, count_images, count_categories'; |
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[1059] | 63 | |
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[1624] | 64 | // $user['forbidden_categories'] including with USER_CACHE_CATEGORIES_TABLE |
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| 65 | $query.= ' |
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[1677] | 66 | FROM '.CATEGORIES_TABLE.' INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.' |
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[1624] | 67 | ON id = cat_id and user_id = '.$user['id']; |
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[1677] | 68 | |
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| 69 | // Always expand when filter is activated |
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| 70 | if (!$user['expand'] and !$filter['enabled']) |
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[345] | 71 | { |
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[2070] | 72 | $where = ' |
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[1677] | 73 | (id_uppercat is NULL'; |
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| 74 | if (isset($page['category'])) |
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| 75 | { |
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[2070] | 76 | $where .= ' OR id_uppercat IN ('.$page['category']['uppercats'].')'; |
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[1677] | 77 | } |
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[2070] | 78 | $where .= ')'; |
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[1648] | 79 | } |
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| 80 | else |
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| 81 | { |
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[2070] | 82 | $where = ' |
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[1677] | 83 | '.get_sql_condition_FandF |
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| 84 | ( |
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| 85 | array |
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| 86 | ( |
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| 87 | 'visible_categories' => 'id', |
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| 88 | ), |
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[2070] | 89 | null, |
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| 90 | true |
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[1677] | 91 | ); |
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[2] | 92 | } |
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[1677] | 93 | |
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[2070] | 94 | $where = trigger_event('get_categories_menu_sql_where', |
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| 95 | $where, $user['expand'], $filter['enabled'] ); |
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| 96 | |
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[589] | 97 | $query.= ' |
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[2070] | 98 | WHERE '.$where.' |
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[589] | 99 | ;'; |
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[26] | 100 | |
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[589] | 101 | $result = pwg_query($query); |
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[614] | 102 | $cats = array(); |
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[3171] | 103 | $selected_category = isset($page['category']) ? $page['category'] : null; |
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[4325] | 104 | while ($row = pwg_db_fetch_assoc($result)) |
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[2] | 105 | { |
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[3171] | 106 | $child_date_last = @$row['max_date_last']> @$row['date_last']; |
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| 107 | $row = array_merge($row, |
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| 108 | array( |
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| 109 | 'NAME' => trigger_event( |
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| 110 | 'render_category_name', |
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| 111 | $row['name'], |
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| 112 | 'get_categories_menu' |
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[11285] | 113 | ), |
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[3171] | 114 | 'TITLE' => get_display_images_count( |
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| 115 | $row['nb_images'], |
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| 116 | $row['count_images'], |
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| 117 | $row['count_categories'], |
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| 118 | false, |
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| 119 | ' / ' |
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[11285] | 120 | ), |
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[3171] | 121 | 'URL' => make_index_url(array('category' => $row)), |
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| 122 | 'LEVEL' => substr_count($row['global_rank'], '.') + 1, |
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| 123 | 'SELECTED' => $selected_category['id'] == $row['id'] ? true : false, |
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| 124 | 'IS_UPPERCAT' => $selected_category['id_uppercat'] == $row['id'] ? true : false, |
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[11285] | 125 | ) |
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| 126 | ); |
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| 127 | if ($conf['index_new_icon']) |
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| 128 | { |
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| 129 | $row['icon_ts'] = get_icon($row['max_date_last'], $child_date_last); |
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| 130 | } |
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[614] | 131 | array_push($cats, $row); |
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[2586] | 132 | if ($row['id']==@$page['category']['id']) //save the number of subcats for later optim |
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| 133 | $page['category']['count_categories'] = $row['count_categories']; |
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[26] | 134 | } |
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[614] | 135 | usort($cats, 'global_rank_compare'); |
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[2] | 136 | |
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[1677] | 137 | // Update filtered data |
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[1722] | 138 | if (function_exists('update_cats_with_filtered_data')) |
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| 139 | { |
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| 140 | update_cats_with_filtered_data($cats); |
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| 141 | } |
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[1677] | 142 | |
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[3171] | 143 | return $cats; |
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[26] | 144 | } |
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[2] | 145 | |
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[1624] | 146 | |
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[761] | 147 | /** |
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[423] | 148 | * Retrieve informations about a category in the database |
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| 149 | * |
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| 150 | * Returns an array with following keys : |
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| 151 | * |
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| 152 | * - comment |
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| 153 | * - dir : directory, might be empty for virtual categories |
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| 154 | * - name : an array with indexes from 0 (lowest cat name) to n (most |
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| 155 | * uppercat name findable) |
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| 156 | * - nb_images |
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| 157 | * - id_uppercat |
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| 158 | * - site_id |
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[1059] | 159 | * - |
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[423] | 160 | * |
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| 161 | * @param int category id |
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| 162 | * @return array |
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| 163 | */ |
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[2] | 164 | function get_cat_info( $id ) |
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| 165 | { |
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[603] | 166 | $query = ' |
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[1861] | 167 | SELECT * |
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[603] | 168 | FROM '.CATEGORIES_TABLE.' |
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| 169 | WHERE id = '.$id.' |
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| 170 | ;'; |
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[4325] | 171 | $cat = pwg_db_fetch_assoc(pwg_query($query)); |
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[1861] | 172 | if (empty($cat)) |
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[1288] | 173 | return null; |
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[345] | 174 | |
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[1861] | 175 | foreach ($cat as $k => $v) |
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[603] | 176 | { |
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[345] | 177 | // If the field is true or false, the variable is transformed into a |
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| 178 | // boolean value. |
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[1861] | 179 | if ($cat[$k] == 'true' or $cat[$k] == 'false') |
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[345] | 180 | { |
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[1861] | 181 | $cat[$k] = get_boolean( $cat[$k] ); |
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[345] | 182 | } |
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| 183 | } |
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| 184 | |
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[1866] | 185 | $upper_ids = explode(',', $cat['uppercats']); |
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| 186 | if ( count($upper_ids)==1 ) |
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| 187 | {// no need to make a query for level 1 |
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| 188 | $cat['upper_names'] = array( |
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| 189 | array( |
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| 190 | 'id' => $cat['id'], |
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| 191 | 'name' => $cat['name'], |
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| 192 | 'permalink' => $cat['permalink'], |
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| 193 | ) |
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| 194 | ); |
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| 195 | } |
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| 196 | else |
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[2] | 197 | { |
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[1866] | 198 | $names = array(); |
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| 199 | $query = ' |
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| 200 | SELECT id, name, permalink |
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| 201 | FROM '.CATEGORIES_TABLE.' |
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| 202 | WHERE id IN ('.$cat['uppercats'].') |
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| 203 | ;'; |
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| 204 | $names = hash_from_query($query, 'id'); |
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[672] | 205 | |
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[1866] | 206 | // category names must be in the same order than uppercats list |
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| 207 | $cat['upper_names'] = array(); |
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| 208 | foreach ($upper_ids as $cat_id) |
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| 209 | { |
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| 210 | array_push( $cat['upper_names'], $names[$cat_id]); |
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| 211 | } |
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[672] | 212 | } |
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[2] | 213 | return $cat; |
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| 214 | } |
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[61] | 215 | |
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| 216 | |
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| 217 | |
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[1020] | 218 | // returns an array of image orders available for users/visitors |
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| 219 | function get_category_preferred_image_orders() |
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| 220 | { |
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[2517] | 221 | global $conf, $page; |
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[13839] | 222 | |
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| 223 | return trigger_event('get_category_preferred_image_orders', array( |
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| 224 | array(l10n('Default'), '', true), |
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| 225 | array(l10n('Photo title, A → Z'), 'name ASC', true), |
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| 226 | array(l10n('Photo title, Z → A'), 'name DESC', true), |
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| 227 | array(l10n('Date created, new → old'), 'date_creation DESC', true), |
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| 228 | array(l10n('Date created, old → new'), 'date_creation ASC', true), |
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| 229 | array(l10n('Date posted, new → old'), 'date_available DESC', true), |
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| 230 | array(l10n('Date posted, old → new'), 'date_available ASC', true), |
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| 231 | array(l10n('Rating score, high → low'), 'rating_score DESC', $conf['rate']), |
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| 232 | array(l10n('Rating score, low → high'), 'rating_score ASC', $conf['rate']), |
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| 233 | array(l10n('Visits, high → low'), 'hit DESC', true), |
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| 234 | array(l10n('Visits, low → high'), 'hit ASC', true), |
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| 235 | array(l10n('Permissions'), 'level DESC', is_admin()), |
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[2521] | 236 | )); |
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[1020] | 237 | } |
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| 238 | |
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[589] | 239 | function display_select_categories($categories, |
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| 240 | $selecteds, |
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[602] | 241 | $blockname, |
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[614] | 242 | $fullname = true) |
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[589] | 243 | { |
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[614] | 244 | global $template; |
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[589] | 245 | |
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[2223] | 246 | $tpl_cats = array(); |
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| 247 | foreach ($categories as $category) |
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| 248 | { |
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[5192] | 249 | if (!empty($category['permalink'])) |
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| 250 | { |
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| 251 | $category['name'] .= ' √'; |
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| 252 | } |
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[2223] | 253 | if ($fullname) |
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| 254 | { |
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[11512] | 255 | $option = strip_tags( |
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| 256 | get_cat_display_name_cache( |
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| 257 | $category['uppercats'], |
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| 258 | null, |
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| 259 | false |
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| 260 | ) |
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| 261 | ); |
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[2223] | 262 | } |
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| 263 | else |
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| 264 | { |
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| 265 | $option = str_repeat(' ', |
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| 266 | (3 * substr_count($category['global_rank'], '.'))); |
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[2433] | 267 | $option.= '- '; |
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| 268 | $option.= strip_tags( |
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| 269 | trigger_event( |
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| 270 | 'render_category_name', |
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| 271 | $category['name'], |
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| 272 | 'display_select_categories' |
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| 273 | ) |
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| 274 | ); |
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[2223] | 275 | } |
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| 276 | $tpl_cats[ $category['id'] ] = $option; |
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| 277 | } |
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| 278 | |
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[2290] | 279 | $template->assign( $blockname, $tpl_cats); |
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| 280 | $template->assign( $blockname.'_selected', $selecteds); |
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[589] | 281 | } |
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[603] | 282 | |
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[614] | 283 | function display_select_cat_wrapper($query, $selecteds, $blockname, |
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| 284 | $fullname = true) |
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| 285 | { |
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| 286 | $result = pwg_query($query); |
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| 287 | $categories = array(); |
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[655] | 288 | if (!empty($result)) |
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| 289 | { |
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[4325] | 290 | while ($row = pwg_db_fetch_assoc($result)) |
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[657] | 291 | { |
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| 292 | array_push($categories, $row); |
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| 293 | } |
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[614] | 294 | } |
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| 295 | usort($categories, 'global_rank_compare'); |
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| 296 | display_select_categories($categories, $selecteds, $blockname, $fullname); |
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| 297 | } |
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| 298 | |
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[603] | 299 | /** |
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| 300 | * returns all subcategory identifiers of given category ids |
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| 301 | * |
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| 302 | * @param array ids |
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| 303 | * @return array |
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| 304 | */ |
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| 305 | function get_subcat_ids($ids) |
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| 306 | { |
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| 307 | $query = ' |
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| 308 | SELECT DISTINCT(id) |
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| 309 | FROM '.CATEGORIES_TABLE.' |
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| 310 | WHERE '; |
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| 311 | foreach ($ids as $num => $category_id) |
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| 312 | { |
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[1861] | 313 | is_numeric($category_id) |
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| 314 | or trigger_error( |
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| 315 | 'get_subcat_ids expecting numeric, not '.gettype($category_id), |
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| 316 | E_USER_WARNING |
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| 317 | ); |
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[603] | 318 | if ($num > 0) |
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| 319 | { |
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| 320 | $query.= ' |
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| 321 | OR '; |
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| 322 | } |
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[4367] | 323 | $query.= 'uppercats '.DB_REGEX_OPERATOR.' \'(^|,)'.$category_id.'(,|$)\''; |
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[603] | 324 | } |
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| 325 | $query.= ' |
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| 326 | ;'; |
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| 327 | $result = pwg_query($query); |
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| 328 | |
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| 329 | $subcats = array(); |
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[4325] | 330 | while ($row = pwg_db_fetch_assoc($result)) |
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[603] | 331 | { |
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| 332 | array_push($subcats, $row['id']); |
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| 333 | } |
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| 334 | return $subcats; |
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| 335 | } |
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[614] | 336 | |
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[2047] | 337 | /** finds a matching category id from a potential list of permalinks |
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| 338 | * @param array permalinks example: holiday holiday/france holiday/france/paris |
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| 339 | * @param int idx - output of the index in $permalinks that matches |
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| 340 | * return category id or null if no match |
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[1866] | 341 | */ |
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[2047] | 342 | function get_cat_id_from_permalinks( $permalinks, &$idx ) |
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[1866] | 343 | { |
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[2047] | 344 | $in = ''; |
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| 345 | foreach($permalinks as $permalink) |
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[1866] | 346 | { |
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[2047] | 347 | if ( !empty($in) ) $in.=', '; |
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[6664] | 348 | $in .= '\''.$permalink.'\''; |
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[1866] | 349 | } |
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[2047] | 350 | $query =' |
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[2356] | 351 | SELECT cat_id AS id, permalink, 1 AS is_old |
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| 352 | FROM '.OLD_PERMALINKS_TABLE.' |
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| 353 | WHERE permalink IN ('.$in.') |
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[2047] | 354 | UNION |
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| 355 | SELECT id, permalink, 0 AS is_old |
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| 356 | FROM '.CATEGORIES_TABLE.' |
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| 357 | WHERE permalink IN ('.$in.') |
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| 358 | ;'; |
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| 359 | $perma_hash = hash_from_query($query, 'permalink'); |
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[1866] | 360 | |
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[2047] | 361 | if ( empty($perma_hash) ) |
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| 362 | return null; |
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| 363 | for ($i=count($permalinks)-1; $i>=0; $i--) |
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[1866] | 364 | { |
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[2047] | 365 | if ( isset( $perma_hash[ $permalinks[$i] ] ) ) |
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| 366 | { |
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| 367 | $idx = $i; |
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| 368 | $cat_id = $perma_hash[ $permalinks[$i] ]['id']; |
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| 369 | if ($perma_hash[ $permalinks[$i] ]['is_old']) |
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| 370 | { |
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| 371 | $query=' |
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[1866] | 372 | UPDATE '.OLD_PERMALINKS_TABLE.' SET last_hit=NOW(), hit=hit+1 |
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[6654] | 373 | WHERE permalink=\''.$permalinks[$i].'\' AND cat_id='.$cat_id.' |
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[1866] | 374 | LIMIT 1'; |
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[2047] | 375 | pwg_query($query); |
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| 376 | } |
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| 377 | return $cat_id; |
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| 378 | } |
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[1866] | 379 | } |
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[2047] | 380 | return null; |
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[1866] | 381 | } |
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| 382 | |
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[614] | 383 | function global_rank_compare($a, $b) |
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| 384 | { |
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| 385 | return strnatcasecmp($a['global_rank'], $b['global_rank']); |
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| 386 | } |
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[1036] | 387 | |
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| 388 | function rank_compare($a, $b) |
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| 389 | { |
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[13240] | 390 | return $a['rank'] - $b['rank']; |
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[1036] | 391 | } |
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[1624] | 392 | |
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| 393 | /** |
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| 394 | * returns display text for information images of category |
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| 395 | * |
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| 396 | * @param array categories |
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| 397 | * @return string |
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| 398 | */ |
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[1851] | 399 | function get_display_images_count($cat_nb_images, $cat_count_images, $cat_count_categories, $short_message = true, $Separator = '\n') |
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[1624] | 400 | { |
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| 401 | $display_text = ''; |
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| 402 | |
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[1851] | 403 | if ($cat_count_images > 0) |
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| 404 | { |
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| 405 | if ($cat_nb_images > 0 and $cat_nb_images < $cat_count_images) |
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| 406 | { |
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| 407 | $display_text.= get_display_images_count($cat_nb_images, $cat_nb_images, 0, $short_message, $Separator).$Separator; |
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| 408 | $cat_count_images-= $cat_nb_images; |
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| 409 | $cat_nb_images = 0; |
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| 410 | } |
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[2117] | 411 | |
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[1851] | 412 | //at least one image direct or indirect |
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[8665] | 413 | $display_text.= l10n_dec('%d photo', '%d photos', $cat_count_images); |
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[1624] | 414 | |
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[1851] | 415 | if ($cat_count_categories == 0 or $cat_nb_images == $cat_count_images) |
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| 416 | { |
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| 417 | //no descendant categories or descendants do not contain images |
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[1624] | 418 | if (! $short_message) |
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| 419 | { |
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[6951] | 420 | $display_text.= ' '.l10n('in this album'); |
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[1624] | 421 | } |
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| 422 | } |
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| 423 | else |
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| 424 | { |
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[6951] | 425 | $display_text.= ' '.l10n_dec('in %d sub-album', 'in %d sub-albums', $cat_count_categories); |
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[1624] | 426 | } |
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| 427 | } |
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| 428 | |
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| 429 | return $display_text; |
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| 430 | } |
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| 431 | |
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[8802] | 432 | /** |
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| 433 | * Find a random photo among all photos below a given album in the tree (not |
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| 434 | * only photo directly associated to the album but also to sub-albums) |
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| 435 | * |
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| 436 | * we need $category['uppercats'], $category['id'], $category['count_images'] |
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| 437 | */ |
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[11481] | 438 | function get_random_image_in_category($category, $recursive=true) |
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[8802] | 439 | { |
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| 440 | $image_id = null; |
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| 441 | if ($category['count_images']>0) |
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| 442 | { |
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| 443 | $query = ' |
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| 444 | SELECT image_id |
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| 445 | FROM '.CATEGORIES_TABLE.' AS c |
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| 446 | INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.category_id = c.id |
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[11481] | 447 | WHERE '; |
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| 448 | if ($recursive) |
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| 449 | { |
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| 450 | $query.= ' |
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| 451 | (c.id='.$category['id'].' OR uppercats LIKE \''.$category['uppercats'].',%\')'; |
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| 452 | } |
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| 453 | else |
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| 454 | { |
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| 455 | $query.= ' |
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| 456 | c.id='.$category['id']; |
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| 457 | } |
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| 458 | $query.= ' |
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| 459 | '.get_sql_condition_FandF |
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[8802] | 460 | ( |
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| 461 | array |
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| 462 | ( |
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| 463 | 'forbidden_categories' => 'c.id', |
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| 464 | 'visible_categories' => 'c.id', |
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| 465 | 'visible_images' => 'image_id', |
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| 466 | ), |
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| 467 | "\n AND" |
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| 468 | ).' |
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| 469 | ORDER BY '.DB_RANDOM_FUNCTION.'() |
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| 470 | LIMIT 1 |
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| 471 | ;'; |
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| 472 | $result = pwg_query($query); |
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| 473 | if (pwg_db_num_rows($result) > 0) |
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| 474 | { |
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| 475 | list($image_id) = pwg_db_fetch_row($result); |
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| 476 | } |
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| 477 | } |
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| 478 | |
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| 479 | return $image_id; |
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| 480 | } |
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[11155] | 481 | |
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[11893] | 482 | |
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[2770] | 483 | ?> |
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