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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class g2_import_task_Core {
static function available_tasks() {
$version = '';
g2_import::lower_error_reporting();
if (g2_import::is_configured()) {
g2_import::init();
// Guard from common case where the import has been
// completed and the original files have been removed.
if (class_exists("GalleryCoreApi")) {
$version = g2_import::version();
}
}
g2_import::restore_error_reporting();
if (g2_import::is_initialized()) {
return array(Task_Definition::factory()
->callback("g2_import_task::import")
->name(t("Import from Gallery 2"))
->description(
t("Gallery %version detected", array("version" => $version)))
->severity(log::SUCCESS));
}
return array();
}
static function import($task) {
g2_import::lower_error_reporting();
$start = microtime(true);
g2_import::init();
$stats = $task->get("stats");
$done = $task->get("done");
$total = $task->get("total");
$completed = $task->get("completed");
$mode = $task->get("mode");
$queue = $task->get("queue");
if (!isset($mode)) {
$stats = g2_import::stats();
$stats["items"] = $stats["photos"] + $stats["movies"];
unset($stats["photos"]);
unset($stats["movies"]);
$stats["highlights"] = $stats["albums"];
$task->set("stats", $stats);
$task->set("total", $total = array_sum(array_values($stats)));
$completed = 0;
$mode = 0;
$done = array();
foreach (array_keys($stats) as $key) {
$done[$key] = 0;
}
$task->set("done", $done);
// Ensure G2 ACLs are compacted to speed up import.
g2(GalleryCoreApi::compactAccessLists());
}
$modes = array("groups", "users", "albums", "items", "comments", "tags", "highlights", "done");
while (!$task->done && microtime(true) - $start < 1.5) {
if ($done[$modes[$mode]] == $stats[$modes[$mode]]) {
// Nothing left to do for this mode. Advance.
$mode++;
$task->set("last_id", 0);
$queue = array();
// Start the loop from the beginning again. This way if we get to a mode that requires no
// actions (eg, if the G2 comments module isn't installed) we won't try to do any comments
// queries.. in the next iteration we'll just skip over that mode.
if ($modes[$mode] != "done") {
continue;
}
}
switch($modes[$mode]) {
case "groups":
if (empty($queue)) {
$task->set("queue", $queue = array_keys(g2(GalleryCoreApi::fetchGroupNames())));
}
$log_message = g2_import::import_group($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Importing groups (%count of %total)",
array("count" => $done["groups"] + 1, "total" => $stats["groups"]));
break;
case "users":
if (empty($queue)) {
$task->set(
"queue", $queue = array_keys(g2(GalleryCoreApi::fetchUsersForGroup(GROUP_EVERYBODY))));
}
$log_message = g2_import::import_user($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Importing users (%count of %total)",
array("count" => $done["users"] + 1, "total" => $stats["users"]));
break;
case "albums":
if (empty($queue)) {
$g2_root_id = g2(GalleryCoreApi::getDefaultAlbumId());
$tree = g2(GalleryCoreApi::fetchAlbumTree());
$task->set("queue", $queue = array($g2_root_id => $tree));
}
$log_message = g2_import::import_album($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Importing albums (%count of %total)",
array("count" => $done["albums"] + 1, "total" => $stats["albums"]));
break;
case "items":
if (empty($queue)) {
$task->set("queue", $queue = g2_import::get_item_ids($task->get("last_id", 0)));
$task->set("last_id", end($queue));
}
$log_message = g2_import::import_item($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Importing photos (%count of %total)",
array("count" => $done["items"] + 1, "total" => $stats["items"]));
break;
case "comments":
if (empty($queue)) {
$task->set("queue", $queue = g2_import::get_comment_ids($task->get("last_id", 0)));
$task->set("last_id", end($queue));
}
$log_message = g2_import::import_comment($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Importing comments (%count of %total)",
array("count" => $done["comments"] + 1, "total" => $stats["comments"]));
break;
case "tags":
if (empty($queue)) {
$task->set("queue", $queue = g2_import::get_tag_item_ids($task->get("last_id", 0)));
$task->set("last_id", end($queue));
}
$log_message = g2_import::import_tags_for_item($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Importing tags (%count of %total)",
array("count" => $done["tags"] + 1, "total" => $stats["tags"]));
break;
case "highlights":
if (empty($queue)) {
$task->set("queue", $queue = g2(GalleryCoreApi::fetchAlbumTree()));
}
$log_message = g2_import::set_album_highlight($queue);
if ($log_message) {
$task->log($log_message);
}
$task->status = t(
"Album highlights (%count of %total)",
array("count" => $done["highlights"] + 1, "total" => $stats["highlights"]));
break;
case "done":
$task->status = t("Import complete");
$task->done = true;
$task->state = "success";
break;
}
if (!$task->done) {
$done[$modes[$mode]]++;
$completed++;
}
}
$task->percent_complete = 100 * ($completed / $total);
$task->set("completed", $completed);
$task->set("mode", $mode);
$task->set("queue", $queue);
$task->set("done", $done);
g2_import::restore_error_reporting();
}
}
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