220 lines
7.3 KiB
PHP
220 lines
7.3 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2011 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class g2_import_task_Core {
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static function available_tasks() {
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$version = '';
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g2_import::lower_error_reporting();
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if (g2_import::is_configured()) {
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g2_import::init();
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// Guard from common case where the import has been
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// completed and the original files have been removed.
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if (class_exists("GalleryCoreApi")) {
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$version = g2_import::version();
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}
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}
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g2_import::restore_error_reporting();
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if (g2_import::is_initialized()) {
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return array(Task_Definition::factory()
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->callback("g2_import_task::import")
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->name(t("Import from Gallery 2"))
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->description(
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t("Gallery %version detected", array("version" => $version)))
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->severity(log::SUCCESS));
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}
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return array();
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}
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static function import($task) {
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g2_import::lower_error_reporting();
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$start = microtime(true);
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g2_import::init();
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$stats = $task->get("stats");
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$done = $task->get("done");
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$total = $task->get("total");
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$completed = $task->get("completed");
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$mode = $task->get("mode");
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$queue = $task->get("queue");
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if (!isset($mode)) {
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$stats = g2_import::stats();
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$stats["items"] = $stats["photos"] + $stats["movies"];
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unset($stats["photos"]);
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unset($stats["movies"]);
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$stats["highlights"] = $stats["albums"];
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$task->set("stats", $stats);
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$task->set("total", $total = array_sum(array_values($stats)));
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$completed = 0;
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$mode = 0;
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$done = array();
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foreach (array_keys($stats) as $key) {
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$done[$key] = 0;
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}
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$task->set("done", $done);
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// Ensure G2 ACLs are compacted to speed up import.
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g2(GalleryCoreApi::compactAccessLists());
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}
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$modes = array("groups", "users", "albums", "items", "comments", "tags", "highlights", "done");
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while (!$task->done && microtime(true) - $start < 1.5) {
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if ($done[$modes[$mode]] == $stats[$modes[$mode]]) {
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// Nothing left to do for this mode. Advance.
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$mode++;
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$task->set("last_id", 0);
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$queue = array();
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// Start the loop from the beginning again. This way if we get to a mode that requires no
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// actions (eg, if the G2 comments module isn't installed) we won't try to do any comments
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// queries.. in the next iteration we'll just skip over that mode.
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if ($modes[$mode] != "done") {
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continue;
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}
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}
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switch($modes[$mode]) {
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case "groups":
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if (empty($queue)) {
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$task->set("queue", $queue = g2_import::get_group_ids($task->get("last_id", 0)));
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$task->set("last_id", end($queue));
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}
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$log_message = g2_import::import_group($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Importing groups (%count of %total)",
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array("count" => $done["groups"] + 1, "total" => $stats["groups"]));
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break;
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case "users":
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if (empty($queue)) {
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$task->set("queue", $queue = g2_import::get_user_ids($task->get("last_id", 0)));
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$task->set("last_id", end($queue));
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}
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$log_message = g2_import::import_user($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Importing users (%count of %total)",
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array("count" => $done["users"] + 1, "total" => $stats["users"]));
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break;
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case "albums":
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if (empty($queue)) {
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$g2_root_id = g2(GalleryCoreApi::getDefaultAlbumId());
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$tree = g2(GalleryCoreApi::fetchAlbumTree());
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$task->set("queue", $queue = array($g2_root_id => $tree));
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}
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$log_message = g2_import::import_album($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Importing albums (%count of %total)",
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array("count" => $done["albums"] + 1, "total" => $stats["albums"]));
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break;
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case "items":
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if (empty($queue)) {
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$task->set("queue", $queue = g2_import::get_item_ids($task->get("last_id", 0)));
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$task->set("last_id", end($queue));
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}
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$log_message = g2_import::import_item($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Importing photos (%count of %total)",
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array("count" => $done["items"] + 1, "total" => $stats["items"]));
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break;
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case "comments":
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if (empty($queue)) {
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$task->set("queue", $queue = g2_import::get_comment_ids($task->get("last_id", 0)));
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$task->set("last_id", end($queue));
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}
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$log_message = g2_import::import_comment($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Importing comments (%count of %total)",
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array("count" => $done["comments"] + 1, "total" => $stats["comments"]));
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break;
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case "tags":
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if (empty($queue)) {
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$task->set("queue", $queue = g2_import::get_tag_item_ids($task->get("last_id", 0)));
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$task->set("last_id", end($queue));
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}
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$log_message = g2_import::import_tags_for_item($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Importing tags (%count of %total)",
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array("count" => $done["tags"] + 1, "total" => $stats["tags"]));
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break;
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case "highlights":
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if (empty($queue)) {
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$task->set("queue", $queue = g2(GalleryCoreApi::fetchAlbumTree()));
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}
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$log_message = g2_import::set_album_highlight($queue);
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if ($log_message) {
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$task->log($log_message);
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}
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$task->status = t(
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"Album highlights (%count of %total)",
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array("count" => $done["highlights"] + 1, "total" => $stats["highlights"]));
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break;
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case "done":
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$task->status = t("Import complete");
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$task->done = true;
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$task->state = "success";
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break;
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}
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if (!$task->done) {
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$done[$modes[$mode]]++;
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$completed++;
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}
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}
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$task->percent_complete = 100 * ($completed / $total);
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$task->set("completed", $completed);
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$task->set("mode", $mode);
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$task->set("queue", $queue);
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$task->set("done", $done);
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g2_import::restore_error_reporting();
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}
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}
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