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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 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.
*/
/**
* This is the API for handling comments.
*
* Note: by design, this class does not do any permission checking.
*/
class Comment_Core {
/**
* Create a new photo.
* @param string $author author's name
* @param string $email author's email
* @param string $text comment body
* @param integer $item_id id of parent item
* @param integer $datetime optional comment date and time in Unix format
* @return Comment_Model
*/
static function create($author, $email, $text, $item_id, $datetime=NULL) {
if (is_null($datetime)) {
$datetime = time();
}
$comment = ORM::factory("comment");
$comment->author = $author;
$comment->email = $email;
$comment->text = $text;
$comment->datetime = $datetime;
$comment->item_id = $item_id;
return $comment->save();
}
static function show_comments($item_id) {
$v = new View('show_comments.html');
$v->comment_list = Comment::show_comment_list($item_id);
$v->comment_form = Comment::show_comment_form($item_id);
$v->render(true);
}
static function show_comment_list($item_id) {
$v = new View('comment_list.html');
$v->item_id = $item_id;
$v->comments = ORM::factory('comment')->where('item_id', $item_id)
->orderby('datetime', 'desc')
->find_all()->as_array();
return $v;
}
static function show_comment_form($item_id) {
$v = new View('comment_form.html');
$v->item_id = $item_id;
return $v;
}
/**
* Format a human-friendly message showing the amount of time elapsed since the specified
* timestamp (e.g. 'said today', 'said yesterday', 'said 13 days ago', 'said 5 months ago').
*
* @todo Take into account the viewer's time zone.
* @todo Properly pluralize strings.
* @todo Write test once we settle on the final forms of the messages.
*
* @param integer $timestamp Unix format timestamp to compare with
* @return string user-friendly string containing the amount of time passed
*/
static function format_elapsed_time($timestamp) {
$now = time();
$date_info_comment = getdate($timestamp);
$date_info_now = getdate($now);
/* Check if the comment was posted today or yesterday. */
if ($date_info_comment['year'] == $date_info_now['year']
&& $date_info_comment['mon'] == $date_info_now['mon']) {
if ($date_info_comment['mday'] == $date_info_now['mday']) {
$message = _('said today');
} else if ($date_info_comment['mday'] == $date_info_now['mday'] - 1) {
$message = _('said yesterday');
}
return $message;
}
/* Calculate the number of days, months or years elapsed since the specified timestamp. */
$seconds_in_a_day = 86400;
$seconds_in_a_month = 2629744;
$seconds_in_a_year = 31556926;
$time_difference = $now - $timestamp;
$elapsed_days = round($time_difference / $seconds_in_a_day);
$elapsed_months = round($time_difference / $seconds_in_a_month);
$elapsed_years = round($time_difference / $seconds_in_a_year);
if ($elapsed_years > 0) {
$message = sprintf(_('said %d years ago'), $elapsed_years);
} else if ($elapsed_months > 0) {
$message = sprintf(_('said %d months ago'), $elapsed_months);
} else {
$message = sprintf(_('said %d days ago'), $elapsed_days);
}
return $message;
}
}
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