| 1 | <?php |
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| 2 | /*************************************************************************** |
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| 3 | * functions_category.inc.php * |
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| 4 | * -------------------- * |
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| 5 | * application : PhpWebGallery 1.3 * |
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| 6 | * author : Pierrick LE GALL <pierrick@z0rglub.com> * |
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| 7 | * * |
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| 8 | *************************************************************************** |
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| 9 | |
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| 10 | *************************************************************************** |
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| 11 | * * |
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| 12 | * This program is free software; you can redistribute it and/or modify * |
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| 13 | * it under the terms of the GNU General Public License as published by * |
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| 14 | * the Free Software Foundation; * |
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| 15 | * * |
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| 16 | ***************************************************************************/ |
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| 17 | function get_subcats_id( $cat_id ) |
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| 18 | { |
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| 19 | $restricted_cat = array(); |
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| 20 | $i = 0; |
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| 21 | |
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| 22 | $query = 'select id'; |
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| 23 | $query.= ' from '.PREFIX_TABLE.'categories'; |
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| 24 | $query.= ' where id_uppercat = '.$cat_id; |
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| 25 | $query.= ';'; |
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| 26 | $result = mysql_query( $query ); |
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| 27 | while ( $row = mysql_fetch_array( $result ) ) |
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| 28 | { |
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| 29 | $restricted_cat[$i++] = $row['id']; |
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| 30 | $sub_restricted_cat = get_subcats_id( $row['id'] ); |
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| 31 | for ( $j = 0; $j < sizeof( $sub_restricted_cat ); $j++ ) |
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| 32 | { |
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| 33 | $restricted_cat[$i++] = $sub_restricted_cat[$j]; |
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| 34 | } |
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| 35 | } |
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| 36 | |
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| 37 | return $restricted_cat; |
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| 38 | } |
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| 39 | |
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| 40 | function check_restrictions( $category_id ) |
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| 41 | { |
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| 42 | global $user,$lang; |
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| 43 | |
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| 44 | if ( is_user_allowed( $category_id, $user['restrictions'] ) > 0 ) |
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| 45 | { |
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| 46 | echo '<div style="text-align:center;">'.$lang['access_forbiden'].'<br />'; |
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| 47 | echo '<a href="'.add_session_id( './category.php' ).'">'; |
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| 48 | echo $lang['thumbnails'].'</a></div>'; |
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| 49 | exit(); |
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| 50 | } |
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| 51 | } |
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| 52 | |
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| 53 | // the check_cat_id function check whether the $cat is a right parameter : |
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| 54 | // - $cat is numeric and corresponds to a category in the database |
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| 55 | // - $cat equals 'fav' (for favorites) |
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| 56 | // - $cat equals 'search' (when the result of a search is displayed) |
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| 57 | function check_cat_id( $cat ) |
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| 58 | { |
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| 59 | global $page; |
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| 60 | |
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| 61 | unset( $page['cat'] ); |
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| 62 | if ( isset( $cat ) ) |
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| 63 | { |
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| 64 | if ( is_numeric( $cat ) ) |
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| 65 | { |
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| 66 | $query = 'select id'; |
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| 67 | $query.= ' from '.PREFIX_TABLE.'categories'; |
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| 68 | $query.= ' where id = '.$cat; |
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| 69 | $query. ';'; |
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| 70 | $result = mysql_query( $query ); |
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| 71 | if ( mysql_num_rows( $result ) != 0 ) |
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| 72 | { |
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| 73 | $page['cat'] = $cat; |
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| 74 | } |
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| 75 | } |
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| 76 | if ( $cat == 'fav' or $cat == 'search' or $cat == 'most_visited' |
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| 77 | or $cat == 'best_rated' or $cat == 'recent' ) |
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| 78 | { |
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| 79 | $page['cat'] = $cat; |
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| 80 | } |
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| 81 | } |
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| 82 | } |
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| 83 | |
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| 84 | function display_cat( $id_uppercat, $indent, $restriction, $tab_expand ) |
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| 85 | { |
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| 86 | global $user,$lang,$conf,$page,$vtp,$handle; |
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| 87 | |
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| 88 | $query = 'select name,id,date_dernier,nb_images,dir'; |
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| 89 | $query.= ' from '.PREFIX_TABLE.'categories'; |
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| 90 | $query.= ' where id_uppercat'; |
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| 91 | if ( $id_uppercat == "" ) |
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| 92 | { |
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| 93 | $query.= ' is NULL'; |
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| 94 | } |
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| 95 | else |
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| 96 | { |
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| 97 | $query.= ' = '.$id_uppercat; |
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| 98 | } |
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| 99 | $query.= ' order by rank asc;'; |
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| 100 | $result = mysql_query( $query ); |
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| 101 | while ( $row = mysql_fetch_array( $result ) ) |
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| 102 | { |
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| 103 | if ( !in_array( $row['id'], $restriction ) ) |
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| 104 | { |
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| 105 | $nb_subcats = get_nb_subcats( $row['id'] ); |
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| 106 | |
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| 107 | $expand = ""; |
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| 108 | // si la catégorie n'a pas de sous catégorie |
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| 109 | // ou que l'on doit développer toutes les catégories par défaut |
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| 110 | // alors on utilise l'expand par défaut |
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| 111 | if ( $nb_subcats == 0 or $user['expand'] == "true" ) |
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| 112 | { |
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| 113 | $expand = $page['expand']; |
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| 114 | } |
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| 115 | // si la catégorie n'est pas dans les catégories à développer |
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| 116 | // alors on l'ajoute aux catégories à développer |
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| 117 | else if ( !in_array( $row['id'], $tab_expand ) ) |
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| 118 | { |
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| 119 | $expand = implode( ",", $tab_expand ); |
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| 120 | if ( strlen( $expand ) > 0 ) |
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| 121 | { |
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| 122 | $expand.= ","; |
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| 123 | } |
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| 124 | $expand.= $row['id']; |
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| 125 | } |
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| 126 | // si la catégorie est déjà dans les catégories à développer |
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| 127 | // alors on la retire des catégories à développer |
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| 128 | else |
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| 129 | { |
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| 130 | $expand = array_remove( $tab_expand, $row['id'] ); |
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| 131 | } |
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| 132 | $url = "./category.php?cat=".$page['cat']."&expand=$expand"; |
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| 133 | if ( $page['cat'] == 'search' ) |
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| 134 | { |
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| 135 | $url.= "&search=".$_GET['search']; |
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| 136 | } |
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| 137 | $lien_cat = add_session_id( $url ); |
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| 138 | if ( $row['name'] == "" ) |
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| 139 | { |
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| 140 | $name = str_replace( "_", " ", $row['dir'] ); |
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| 141 | } |
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| 142 | else |
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| 143 | { |
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| 144 | $name = $row['name']; |
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| 145 | } |
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| 146 | |
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| 147 | $vtp->addSession( $handle, 'category' ); |
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| 148 | $vtp->setVar( $handle, 'category.indent', $indent ); |
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| 149 | |
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| 150 | if ( $user['expand'] == "true" or $nb_subcats == 0 ) |
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| 151 | { |
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| 152 | $vtp->addSession( $handle, 'bullet_wo_link' ); |
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| 153 | $vtp->setVar( $handle, 'bullet_wo_link.bullet_url', |
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| 154 | $user['lien_collapsed'] ); |
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| 155 | $vtp->setVar( $handle, 'bullet_wo_link.bullet_alt', '>' ); |
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| 156 | $vtp->closeSession( $handle, 'bullet_wo_link' ); |
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| 157 | } |
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| 158 | else |
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| 159 | { |
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| 160 | $vtp->addSession( $handle, 'bullet_w_link' ); |
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| 161 | $vtp->setVar( $handle, 'bullet_w_link.bullet_link', $lien_cat ); |
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| 162 | $vtp->setVar( $handle, 'bullet_w_link.bullet_alt', '>' ); |
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| 163 | if ( in_array( $row['id'], $tab_expand ) ) |
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| 164 | { |
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| 165 | $vtp->setVar( $handle, 'bullet_w_link.bullet_url', |
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| 166 | $user['lien_expanded'] ); |
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| 167 | } |
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| 168 | else |
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| 169 | { |
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| 170 | $vtp->setVar( $handle, 'bullet_w_link.bullet_url', |
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| 171 | $user['lien_collapsed'] ); |
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| 172 | } |
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| 173 | $vtp->closeSession( $handle, 'bullet_w_link' ); |
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| 174 | } |
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| 175 | $vtp->setVar( $handle, 'category.link_url', |
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| 176 | add_session_id( './category.php?cat='. |
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| 177 | $row['id'].'&expand='.$expand ) ); |
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| 178 | $vtp->setVar( $handle, 'category.link_name', $name ); |
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| 179 | if ( $id_uppercat == "" ) |
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| 180 | { |
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| 181 | $vtp->setVar( $handle, 'category.name_style', 'font-weight:bold;' ); |
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| 182 | } |
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| 183 | if ( $nb_subcats > 0 ) |
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| 184 | { |
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| 185 | $vtp->addSession( $handle, 'subcat' ); |
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| 186 | $vtp->setVar( $handle, 'subcat.nb_subcats', $nb_subcats ); |
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| 187 | $vtp->closeSession( $handle, 'subcat' ); |
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| 188 | } |
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| 189 | $vtp->setVar( $handle, 'category.total_cat', $row['nb_images'] ); |
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| 190 | $date_dispo = explode( "-", $row['date_dernier'] ); |
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| 191 | $date_cat = mktime( 0, 0, 0, $date_dispo[1], $date_dispo[2], |
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| 192 | $date_dispo[0] ); |
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| 193 | $vtp->setVar( $handle, 'category.cat_icon', get_icon( $date_cat ) ); |
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| 194 | $vtp->closeSession( $handle, 'category' ); |
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| 195 | |
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| 196 | if ( in_array( $row['id'], $tab_expand ) or $user['expand'] == "true" ) |
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| 197 | { |
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| 198 | display_cat( $row['id'], $indent.' ', |
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| 199 | $restriction, $tab_expand ); |
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| 200 | } |
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| 201 | } |
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| 202 | } |
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| 203 | } |
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| 204 | |
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| 205 | function get_nb_subcats( $id ) |
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| 206 | { |
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| 207 | global $user; |
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| 208 | |
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| 209 | $query = 'select count(*) as count'; |
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| 210 | $query.= ' from '.PREFIX_TABLE.'categories'; |
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| 211 | $query.= ' where id_uppercat = '.$id; |
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| 212 | for ( $i = 0; $i < sizeof( $user['restrictions'] ); $i++ ) |
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| 213 | { |
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| 214 | $query.= " and id != ".$user['restrictions'][$i]; |
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| 215 | } |
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| 216 | $query.= ';'; |
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| 217 | $result = mysql_query( $query ); |
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| 218 | $row = mysql_fetch_array( $result ); |
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| 219 | return $row['count']; |
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| 220 | } |
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| 221 | |
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| 222 | function get_total_image( $id, $restriction ) |
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| 223 | { |
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| 224 | $total = 0; |
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| 225 | |
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| 226 | $query = 'select id,nb_images'; |
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| 227 | $query.= ' from '.PREFIX_TABLE.'categories'; |
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| 228 | $query.= ' where id_uppercat'; |
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| 229 | if ( !is_numeric( $id ) ) |
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| 230 | { |
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| 231 | $query.= ' is NULL'; |
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| 232 | } |
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| 233 | else |
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| 234 | { |
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| 235 | $query.= ' = '.$id; |
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| 236 | } |
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| 237 | $query.= ";"; |
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| 238 | $result = mysql_query( $query ); |
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| 239 | while ( $row = mysql_fetch_array( $result ) ) |
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| 240 | { |
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| 241 | if ( !in_array( $row['id'], $restriction ) ) |
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| 242 | { |
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| 243 | $total+= $row['nb_images']; |
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| 244 | $total+= get_total_image( $row['id'], $restriction ); |
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| 245 | } |
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| 246 | } |
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| 247 | return $total; |
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| 248 | } |
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| 249 | |
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| 250 | // variables : |
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| 251 | // $cat['comment'] |
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| 252 | // $cat['dir'] |
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| 253 | // $cat['last_dir'] |
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| 254 | // $cat['name'] is an array : |
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| 255 | // - $cat['name'][0] is the lowest cat name |
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| 256 | // and |
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| 257 | // - $cat['name'][n] is the most uppercat name findable |
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| 258 | // $cat['nb_images'] |
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| 259 | // $cat['id_uppercat'] |
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| 260 | // $cat['site_id'] |
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| 261 | function get_cat_info( $id ) |
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| 262 | { |
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| 263 | $cat = array(); |
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| 264 | $cat['name'] = array(); |
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| 265 | |
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| 266 | $query = 'select nb_images,id_uppercat,comment,site_id,galleries_url,dir'; |
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| 267 | $query.= ' from '.PREFIX_TABLE.'categories as a'; |
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| 268 | $query.= ', '.PREFIX_TABLE.'sites as b'; |
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| 269 | $query.= ' where a.id = '.$id; |
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| 270 | $query.= ' and a.site_id = b.id;'; |
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| 271 | $row = mysql_fetch_array( mysql_query( $query ) ); |
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| 272 | $cat['site_id'] = $row['site_id']; |
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| 273 | $cat['id_uppercat'] = $row['id_uppercat']; |
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| 274 | $cat['comment'] = nl2br( $row['comment'] ); |
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| 275 | $cat['nb_images'] = $row['nb_images']; |
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| 276 | $cat['last_dir'] = $row['dir']; |
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| 277 | $galleries_url = $row['galleries_url']; |
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| 278 | |
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| 279 | $cat['dir'] = ""; |
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| 280 | $i = 0; |
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| 281 | $is_root = false; |
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| 282 | $row['id_uppercat'] = $id; |
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| 283 | while ( !$is_root ) |
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| 284 | { |
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| 285 | $query = 'select name,dir,id_uppercat'; |
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| 286 | $query.= ' from '.PREFIX_TABLE.'categories'; |
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| 287 | $query.= ' where id = '.$row['id_uppercat'].';'; |
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| 288 | $row = mysql_fetch_array( mysql_query( $query ) ); |
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| 289 | $cat['dir'] = $row['dir']."/".$cat['dir']; |
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| 290 | if ( $row['name'] == "" ) |
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| 291 | { |
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| 292 | $cat['name'][$i] = str_replace( "_", " ", $row['dir'] ); |
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| 293 | } |
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| 294 | else |
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| 295 | { |
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| 296 | $cat['name'][$i] = $row['name']; |
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| 297 | } |
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| 298 | if ( $row['id_uppercat'] == "" ) |
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| 299 | { |
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| 300 | $is_root = true; |
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| 301 | } |
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| 302 | $i++; |
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| 303 | } |
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| 304 | $cat['local_dir'] = substr( $cat['dir'], 0 , strlen( $cat['dir'] ) - 1 ); |
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| 305 | $cat['dir'] = $galleries_url.$cat['dir']; |
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| 306 | |
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| 307 | return $cat; |
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| 308 | } |
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| 309 | |
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| 310 | // The function get_cat_display_name returns a string containing the list |
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| 311 | // of upper categories to the root category from the lowest category shown |
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| 312 | // example : "anniversaires - fete mere 2002 - animaux - erika" |
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| 313 | // You can give two parameters : |
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| 314 | // - $separation : the string between each category name " - " for example |
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| 315 | // - $style : the style of the span tag for the lowest category, |
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| 316 | // "font-style:italic;" for example |
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| 317 | function get_cat_display_name( $array_cat_names, $separation, $style ) |
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| 318 | { |
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| 319 | $output = ""; |
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| 320 | for ( $i = sizeof( $array_cat_names ) - 1; $i >= 0; $i-- ) |
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| 321 | { |
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| 322 | if ( $i != sizeof( $array_cat_names ) - 1 ) |
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| 323 | { |
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| 324 | $output.= $separation; |
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| 325 | } |
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| 326 | if ( $i != 0 ) |
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| 327 | { |
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| 328 | $output.= $array_cat_names[$i]; |
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| 329 | } |
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| 330 | else |
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| 331 | { |
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| 332 | if ( $style != "" ) |
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| 333 | { |
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| 334 | $output.= '<span style="'.$style.'">'; |
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| 335 | } |
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| 336 | $output.= $array_cat_names[$i]; |
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| 337 | if ( $style != "" ) |
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| 338 | { |
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| 339 | $output.= "</span>"; |
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| 340 | } |
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| 341 | } |
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| 342 | } |
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| 343 | return replace_space( $output ); |
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| 344 | } |
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| 345 | |
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| 346 | // initialize_category initializes ;-) the variables in relation |
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| 347 | // with category : |
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| 348 | // 1. calculation of the number of pictures in the category |
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| 349 | // 2. determination of the SQL query part to ask to find the right category |
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| 350 | // $page['where'] is not the same if we are in |
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| 351 | // - simple category |
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| 352 | // - search result |
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| 353 | // - favorites displaying |
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| 354 | // - most visited pictures |
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| 355 | // - best rated pictures |
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| 356 | // - recent pictures |
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| 357 | // 3. determination of the title of the page |
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| 358 | // 4. creation of the navigation bar |
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| 359 | function initialize_category( $calling_page = 'category' ) |
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| 360 | { |
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| 361 | global $page,$lang,$user,$conf; |
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| 362 | |
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| 363 | if ( isset( $page['cat'] ) ) |
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| 364 | { |
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| 365 | // $page['nb_image_page'] is the number of picture to display on this page |
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| 366 | // By default, it is the same as the $user['nb_image_page'] |
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| 367 | $page['nb_image_page'] = $user['nb_image_page']; |
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| 368 | // $url is used to create the navigation bar |
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| 369 | $url = './category.php?cat='.$page['cat'].'&expand='.$page['expand']; |
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| 370 | // simple category |
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| 371 | if ( is_numeric( $page['cat'] ) ) |
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| 372 | { |
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| 373 | $result = get_cat_info( $page['cat'] ); |
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| 374 | $page['comment'] = $result['comment']; |
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| 375 | $page['cat_dir'] = $result['dir']; |
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| 376 | $page['cat_name'] = $result['name']; |
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| 377 | $page['cat_nb_images'] = $result['nb_images']; |
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| 378 | $page['cat_site_id'] = $result['site_id']; |
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| 379 | $page['title'] = get_cat_display_name( $page['cat_name'], ' - ', '' ); |
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| 380 | $page['where'] = ' where cat_id = '.$page['cat']; |
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| 381 | } |
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| 382 | else |
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| 383 | { |
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| 384 | $query = ''; |
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| 385 | // search result |
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| 386 | if ( $page['cat'] == 'search' ) |
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| 387 | { |
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| 388 | $page['title'] = $lang['search_result']; |
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| 389 | if ( $calling_page == 'picture' ) |
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| 390 | { |
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| 391 | $page['title'].= ' : <span style="font-style:italic;">'; |
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| 392 | $page['title'].= $_GET['search']."</span>"; |
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| 393 | } |
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| 394 | $page['where'] = " where ( file like '%".$_GET['search']."%'"; |
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| 395 | $page['where'].= " or name like '%".$_GET['search']."%'"; |
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| 396 | $page['where'].= " or comment like '%".$_GET['search']."%' )"; |
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| 397 | |
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| 398 | $query = 'select count(*) as nb_total_images'; |
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| 399 | $query.= ' from '.PREFIX_TABLE.'images'; |
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| 400 | $query.= $page['where']; |
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| 401 | $query.= ';'; |
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| 402 | |
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| 403 | $url.= '&search='.$_GET['search']; |
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| 404 | } |
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| 405 | // favorites displaying |
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| 406 | else if ( $page['cat'] == 'fav' ) |
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| 407 | { |
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| 408 | $page['title'] = $lang['favorites']; |
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| 409 | |
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| 410 | $page['where'] = ', '.PREFIX_TABLE.'favorites'; |
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| 411 | $page['where'].= ' where user_id = '.$user['id']; |
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| 412 | $page['where'].= ' and image_id = id'; |
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| 413 | |
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| 414 | $query = 'select count(*) as nb_total_images'; |
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| 415 | $query.= ' from '.PREFIX_TABLE.'favorites'; |
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| 416 | $query.= ' where user_id = '.$user['id']; |
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| 417 | $query.= ';'; |
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| 418 | } |
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| 419 | // pictures within the short period |
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| 420 | else if ( $page['cat'] == 'recent' ) |
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| 421 | { |
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| 422 | $page['title'] = $lang['recent_cat_title']; |
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| 423 | // We must find the date corresponding to : |
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| 424 | // today - $conf['periode_courte'] |
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| 425 | $date = time() - 60*60*24*$user['short_period']; |
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| 426 | $page['where'] = " where date_available > '"; |
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| 427 | $page['where'].= date( 'Y-m-d', $date )."'"; |
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| 428 | |
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| 429 | $query = 'select count(*) as nb_total_images'; |
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| 430 | $query.= ' from '.PREFIX_TABLE.'images'; |
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| 431 | $query.= $page['where']; |
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| 432 | $query.= ';'; |
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| 433 | } |
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| 434 | // most visited pictures |
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| 435 | else if ( $page['cat'] == 'most_visited' ) |
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| 436 | { |
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| 437 | $page['title'] = $conf['top_number'].' '.$lang['most_visited_cat']; |
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| 438 | $page['where'] = ' where cat_id != -1'; |
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| 439 | $conf['order_by'] = ' order by hit desc, file asc'; |
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| 440 | $page['cat_nb_images'] = $conf['top_number']; |
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| 441 | if ( $page['start'] + $user['nb_image_page'] >= $conf['top_number'] ) |
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| 442 | { |
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| 443 | $page['nb_image_page'] = $conf['top_number'] - $page['start']; |
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| 444 | } |
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| 445 | } |
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| 446 | |
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| 447 | if ( $query != '' ) |
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| 448 | { |
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| 449 | $result = mysql_query( $query ); |
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| 450 | $row = mysql_fetch_array( $result ); |
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| 451 | $page['cat_nb_images'] = $row['nb_total_images']; |
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| 452 | } |
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| 453 | |
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| 454 | if ( $page['cat'] == 'search' or $page['cat'] == 'most_visited' |
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| 455 | or $page['cat'] == 'recent' or $page['cat'] == 'best_rated' ) |
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| 456 | { |
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| 457 | // we must not show pictures of a forbidden category |
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| 458 | $restricted_cat = get_all_restrictions( $user['id'], $user['status'] ); |
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| 459 | if ( sizeof( $restricted_cat ) > 0 ) |
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| 460 | { |
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| 461 | for ( $i = 0; $i < sizeof( $restricted_cat ); $i++ ) |
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| 462 | { |
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| 463 | $page['where'].= ' and cat_id != '.$restricted_cat[$i]; |
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| 464 | } |
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| 465 | } |
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| 466 | } |
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| 467 | } |
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| 468 | if ( $calling_page == 'category' ) |
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| 469 | { |
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| 470 | $page['navigation_bar'] = |
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| 471 | create_navigation_bar( $url, $page['cat_nb_images'], $page['start'], |
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| 472 | $user['nb_image_page'], 'back' ); |
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| 473 | } |
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| 474 | } |
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| 475 | else |
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| 476 | { |
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| 477 | $page['title'] = $lang['diapo_default_page_title']; |
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| 478 | } |
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| 479 | } |
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| 480 | ?> |
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