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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 scheduler_Core {
static function intervals() {
static $intervals;
if (empty($intervals)) {
$intervals = array("3600" => t("Hourly"), "86400" => t("Daily"),
"604800" => t("Weekly"), "2419200" => t("Monthly"));
}
return $intervals;
}
static function get_form($method, $schedule) {
if ($method == "define") {
$title = t("Create a scheduled event");
$button_text = t("Create");
} else {
$title = t("Update a scheduled event");
$button_text = t("Update");
}
$id = empty($schedule->id) ? "" : "/$schedule->id";
$form = new Forge("admin/schedule/$method{$id}", "", "post",
array("id" => "g-{$method}-schedule"));
$group = $form->group("schedule_group")->label($title);
$group->input("schedule_name")
->label(t("Description"))
->id("g-schedule-name")
->rules("required|length[0, 128]")
->error_messages("required", t("You must provide a description"))
->error_messages("length", t("Your description is too long"))
->value(!empty($schedule->name) ? $schedule->name : "");
list ($dow, $display_time) = scheduler::format_time($schedule->next_run_datetime);
$next = $group->group("run_date")->label(t("Scheduled Date"));
$next->dropdown("dow")
->label(t("Day"))
->id("g-schedule-day")
->rules("required")
->options(array(t("Sunday"), t("Monday"), t("Tuesday"), t("Wednesday"),
t("Thursday"), t("Friday"), t("Saturday")))
->selected($dow);
$next->input("time")
->label(t("Hour"))
->id("g-schedule-time")
->rules("required")
->error_messages("required", t("You must provide a time"))
->error_messages("time_invalid", t("Invalid time"))
->callback("scheduler::valid_time")
->value($display_time);
// need to set the top padding to zero on g-define-schedule li.g-error
$group->dropdown("interval")->label(t("How often"))->id("g-schedule-frequency")
->options(scheduler::intervals())
->rules("required")
->error_messages("required", t("You must provide an interval"))
->selected(!empty($schedule->interval) ? $schedule->interval : "2419200");
$group->hidden("callback")->value($schedule->task_callback);
$group->submit("")->value($button_text);
return $form;
}
static function format_time($time) {
$local_time = localtime($time);
$display_time = str_pad($local_time[2], 2, "0", STR_PAD_LEFT) . ":" .
str_pad($local_time[1], 2, "0", STR_PAD_LEFT);
return array($local_time[6], $display_time);
}
static function valid_time($field) {
if (preg_match("/([0-9]{1,2}):([0-9]{2})/", $field->value, $matches)) {
$hour = (int)$matches[1];
$minutes = (int)$matches[2];
if (!(0 <= $hour && $hour<= 23 || 0 <= $minutes && $minutes <= 59)) {
$field->add_error("time_invalid", 1);
}
} else {
$field->add_error("time_invalid", 1);
}
}
static function get_definitions() {
$v = "";
$events = ORM::factory("schedule")
->order_by("next_run_datetime", "asc")
->find_all();
if ($events->count()) {
$v = new View("scheduler_definitions.html");
$v->schedule_definitions = array();
foreach ($events as $schedule) {
$entry[] = $schedule->id;
$entry[] = $schedule->name;
$run_date = strftime("%A, %b %e, %Y %H:%M ", $schedule->next_run_datetime);
$intervals = scheduler::intervals();
$interval = $intervals[$schedule->interval];
if (!empty($schedule->task_id)) {
$status = t("Running");
} else if ($schedule->next_run_datetime < time()) {
$status = t("Overdue");
} else {
$status = t("Scheduled");
}
$v->schedule_definitions[] = (object)array("id" => $schedule->id,
"name" => $schedule->name,
"run_date" => $run_date,
"interval" => $interval,
"status" => $status);
}
}
return $v;
}
}
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