if (isset($_GET['picture_id']) == false || is_numeric($_GET['picture_id']) == false) {
show_error_redirect_back("Invalid picture");
}
$picture_id = $_GET['picture_id'];
# Get the current picture
$picture = get_picture_from_picture_id($picture_id, $db) or show_error_redirect_back("Invalid picture");
# Get the category
$category = get_category_by_category_id($picture['category_id'], $db) or show_error_redirect_back("Invalid picture");
# Get the user
$user = get_user_by_user_id($category['user_id'], $db) or show_error_redirect_back("Invalid picture");
# Check if the category is private
if (!$me && $category['private'] == '1') {
show_error_redirect_back("Invalid picture");
}
# Get the images in the category
$pictures = get_pictures_by_category_id($category['category_id'], $db);
$prev_picture = null;
$next_picture = null;
# Find the next and previous picture
$done = false;
while (!$done && ($this_picture = array_shift($pictures))) {
if ($this_picture['picture_id'] == $picture_id) {
if ($this_picture = array_shift($pictures)) {
$next_picture = $this_picture;
}
$done = true;
} else {
$prev_picture = $this_picture;
}
}
if ($next_picture) {
header('Pragma: no-cache');
require 'shared.php';
# Make a connection to the database
$db = get_db_read();
$_SESSION['back'] = $_SERVER['REQUEST_URI'];
# Read the user_id parameter
$user_information = null;
if (isset($_GET['user_id']) && is_numeric($_GET['user_id'])) {
$user_information = get_user_by_user_id($_GET['user_id'], $db);
}
# Get the userinformation, get the category list and display the header
if ($user_information != null) {
$categories = get_categories_by_user_id($user_information['user_id'], $me, $db);
} else {
$categories = get_all_categories($me != null, $db);
}
# Display all the categories
$new_categories = array();
foreach ($categories as $category) {
$category['num_pictures'] = count(get_pictures_by_category_id($category['category_id'], $db));
$category['last_updated'] = $me ? $category['last_updated'] : $category['last_updated_public'];
$category['url'] = "show_category.php?category_id=" . $category['category_id'];
array_push($new_categories, $category);
}
template_display_category_list($me, $user_information, $new_categories);
?>
#
header('Pragma: no-cache');
require 'shared.php';
$db = get_db_read();
$_SESSION['back'] = $_SERVER['REQUEST_URI'];
if (isset($_GET['category_id']) == false || is_numeric($_GET['category_id']) == false) {
show_error_redirect_back("No category_id specified");
}
$category_id = $_GET['category_id'];
$category_information = get_category_by_category_id($category_id, $db);
if (!$category_information || !$me && $category_information['private'] != 0) {
show_error_redirect_back("invalid category_id");
}
$user_information = get_user_by_user_id($category_information['user_id'], $db);
# Check if the category is private
$pictures = get_pictures_by_category_id($category_id, $db);
# Display the table of pictures
$new_pictures = array();
foreach ($pictures as $picture) {
$picture['url'] = "show_picture.php?picture_id=" . $picture['picture_id'];
$picture['picture_url'] = "picture.php?picture_id=" . $picture['picture_id'];
$picture['tn_url'] = "picture.php?tn=true&picture_id=" . $picture['picture_id'];
$picture['num_comments'] = count(get_comments_by_picture_id($picture['picture_id'], $db));
array_push($new_pictures, $picture);
}
template_display_picture_list($me, $user_information, $category_information, $new_pictures, $thumbnail_height, $thumbnail_width);
?>
