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if rss script is in read-only directory, skip file generation and diff calculations.

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Piotr KUCHARSKI 2014-11-26 22:43:51 +01:00
parent 78122f16b6
commit ba387e0c47
1 changed files with 51 additions and 45 deletions
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96
rss.php
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@ -92,61 +92,67 @@ function print_array($array_to_display)
/*===================*/ /*===================*/
require("config-default.php"); require("config-default.php");
include("config.php"); include("config.php");
#$content = "";
$old_files_list = "db_old_files"; //list of files in ./photos
$db_feed_source = "db_feed_source";
$db_rss_timestamp = "db_rss_timestamp";
$Folder = 'photos';
$content = ListFiles($gallery_link, $content, $Folder, $SkipExts, $SkipObjects);
$to_store = "";
// Init files
if (!file_exists($old_files_list)) {
file_put_contents($old_files_list, "");
}
if (!file_exists($db_feed_source)) {
file_put_contents($db_feed_source, "");
}
if (!file_exists($db_rss_timestamp)) {
file_put_contents($db_rss_timestamp, "");
}
/*===================*/ $content = "";
/* Computing */ $folder = "photos";
/*===================*/ $content = listFiles($gallery_link, $content, $folder, $SkipExts, $SkipObjects);
#Todo : ajouter une condition : dois-je regénérer le flux ou utiliser les anciens fichiers ?
$temp = file_get_contents($db_feed_source); if (is_writeable(".")) {
$last_rss_gen = file_get_contents($db_rss_timestamp); $to_store = "";
$current_time = time(); $old_files_list = "db_old_files"; //list of files in ./photos
// If the RSS generation is already launched, don't do a second generation at the same time $db_feed_source = "db_feed_source";
if (($current_time - $last_rss_gen) > $rss_refresh_interval && file_exists("rss.locker") == false) { $db_rss_timestamp = "db_rss_timestamp";
file_put_contents("rss.locker", "");
file_put_contents($db_rss_timestamp, time()); // Init files
// Load the list from files. if (!file_exists($old_files_list)) {
$old_files_list_content = explode("\n", file_get_contents($old_files_list)); file_put_contents($old_files_list, "");
$new_files_list_content = explode("\n", $content); #debug }
// Generate and stock new elements if (!file_exists($db_feed_source)) {
$differences = diff($old_files_list_content, $new_files_list_content); file_put_contents($db_feed_source, "");
for ($i=0; $i < count($differences); $i++) { }
if (is_array($differences[$i])) { if (!file_exists($db_rss_timestamp)) {
for ($j=0; $j < count($differences[$i]["i"]); $j++) { file_put_contents($db_rss_timestamp, "");
if (strlen($differences[$i]["i"][$j]) > 2) { }
$to_store .= $differences[$i]["i"][$j] . "\n";
/*===================*/
/* Computing */
/*===================*/
#Todo : ajouter une condition : dois-je regénérer le flux ou utiliser les anciens fichiers ?
$temp = file_get_contents($db_feed_source);
$last_rss_gen = file_get_contents($db_rss_timestamp);
$current_time = time();
// If the RSS generation is already launched, don't do a second generation at the same time
if (($current_time - $last_rss_gen) > $rss_refresh_interval && file_exists("rss.locker") == false) {
file_put_contents("rss.locker", "");
file_put_contents($db_rss_timestamp, time());
// Load the list from files.
$old_files_list_content = explode("\n", file_get_contents($old_files_list));
$new_files_list_content = explode("\n", $content); #debug
// Generate and stock new elements
$differences = diff($old_files_list_content, $new_files_list_content);
for ($i=0; $i < count($differences); $i++) {
if (is_array($differences[$i])) {
for ($j=0; $j < count($differences[$i]["i"]); $j++) {
if (strlen($differences[$i]["i"][$j]) > 2) {
$to_store .= $differences[$i]["i"][$j] . "\n";
}
} }
} }
} }
// Add new elements at the top of the feed's source
$temp = $to_store . $temp;
file_put_contents($db_feed_source, $temp);
// Store the current file list for the next generation
file_put_contents($old_files_list, $content);
unlink("rss.locker");
} }
// Add new elements at the top of the feed's source $content = $temp;
$temp = $to_store . $temp;
file_put_contents($db_feed_source, $temp);
// Store the current file list for the next generation
file_put_contents($old_files_list, $content);
unlink("rss.locker");
} }
/*===================*/ /*===================*/
/* XML Gen */ /* XML Gen */
/*===================*/ /*===================*/
$temp = explode("\n", $temp); $temp = explode("\n", $content);
echo "<rss version='2.0'>\n<channel>"; echo "<rss version='2.0'>\n<channel>";
echo "<title>$title</title>"; echo "<title>$title</title>";
echo "<link>$gallery_link</link>"; echo "<link>$gallery_link</link>";