2010-05-03 19:00:12 +01:00
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<?php
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/**
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* Data class for counting user registrations by date
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*
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* PHP version 5
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*
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* @category Data
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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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 Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
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/**
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* Data class for counting users by date
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*
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* We make a separate sitemap for each user registered by date.
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* To save ourselves some processing effort, we cache this data
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* @see DB_DataObject
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*/
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2013-08-18 11:10:44 +01:00
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class Sitemap_user_count extends Managed_DataObject
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2010-05-03 19:00:12 +01:00
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{
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public $__table = 'sitemap_user_count'; // table name
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public $registration_date; // date primary_key not_null
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public $user_count; // int(4)
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public $created;
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public $modified;
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/**
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* return table definition for DB_DataObject
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*
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* DB_DataObject needs to know something about the table to manipulate
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* instances. This method provides all the DB_DataObject needs to know.
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*
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* @return array array of column definitions
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*/
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function table()
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{
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return array('registration_date' => DB_DATAOBJECT_DATE + DB_DATAOBJECT_NOTNULL,
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'user_count' => DB_DATAOBJECT_INT,
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'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
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'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
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}
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/**
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* return key definitions for DB_DataObject
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*
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* DB_DataObject needs to know about keys that the table has; this function
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* defines them.
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*
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* @return array key definitions
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*/
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function keys()
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{
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return array('registration_date' => 'K');
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}
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2010-05-21 21:47:30 +01:00
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function sequenceKey()
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{
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return array(false, false, false);
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}
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2010-05-03 19:00:12 +01:00
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/**
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* return key definitions for Memcached_DataObject
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*
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* Our caching system uses the same key definitions, but uses a different
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* method to get them.
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*
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* @return array key definitions
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*/
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function keyTypes()
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{
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return $this->keys();
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}
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2010-05-21 21:47:30 +01:00
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static function getAll()
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{
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$userCounts = self::cacheGet('sitemap:user:counts');
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if ($userCounts === false) {
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$suc = new Sitemap_user_count();
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$suc->orderBy('registration_date DESC');
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// Fetch the first one to check up-to-date-itude
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$n = $suc->find(true);
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$today = self::today();
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$userCounts = array();
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if (!$n) { // No counts saved yet
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$userCounts = self::initializeCounts();
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} else if ($suc->registration_date < $today) { // There are counts but not up to today
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$userCounts = self::fillInCounts($suc->registration_date);
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} else if ($suc->registration_date == $today) { // Refresh today's
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$userCounts[$today] = self::updateToday();
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}
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// starts with second-to-last date
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while ($suc->fetch()) {
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$userCounts[$suc->registration_date] = $suc->user_count;
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}
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2010-07-14 15:38:34 +01:00
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// Cache user counts for 4 hours.
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self::cacheSet('sitemap:user:counts', $userCounts, null, time() + 4 * 60 * 60);
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2010-05-21 21:47:30 +01:00
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}
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return $userCounts;
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}
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static function initializeCounts()
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{
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$firstDate = self::getFirstDate(); // awww
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$today = self::today();
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$counts = array();
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for ($d = $firstDate; $d <= $today; $d = self::incrementDay($d)) {
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$n = self::getCount($d);
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self::insertCount($d, $n);
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$counts[$d] = $n;
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}
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return $counts;
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}
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static function fillInCounts($lastDate)
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{
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$today = self::today();
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$counts = array();
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$n = self::getCount($lastDate);
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self::updateCount($lastDate, $n);
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$counts[$lastDate] = $n;
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for ($d = self::incrementDay($lastDate); $d <= $today; $d = self::incrementDay($d)) {
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$n = self::getCount($d);
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self::insertCount($d, $n);
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}
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return $counts;
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}
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static function updateToday()
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{
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$today = self::today();
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$n = self::getCount($today);
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self::updateCount($today, $n);
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return $n;
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}
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static function getCount($d)
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{
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$user = new User();
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$user->whereAdd('created BETWEEN "'.$d.' 00:00:00" AND "'.self::incrementDay($d).' 00:00:00"');
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$n = $user->count();
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return $n;
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}
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static function insertCount($d, $n)
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{
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$suc = new Sitemap_user_count();
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$suc->registration_date = DB_DataObject_Cast::date($d);
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$suc->user_count = $n;
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$suc->created = common_sql_now();
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$suc->modified = $suc->created;
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if (!$suc->insert()) {
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common_log(LOG_WARNING, "Could not save user counts for '$d'");
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}
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}
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static function updateCount($d, $n)
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{
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$suc = Sitemap_user_count::staticGet('registration_date', DB_DataObject_Cast::date($d));
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if (empty($suc)) {
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2010-10-03 22:54:57 +01:00
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// TRANS: Exception thrown when a registration date cannot be found.
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throw new Exception(_m("No such registration date: $d."));
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2010-05-21 21:47:30 +01:00
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}
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$orig = clone($suc);
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$suc->registration_date = DB_DataObject_Cast::date($d);
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$suc->user_count = $n;
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$suc->created = common_sql_now();
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$suc->modified = $suc->created;
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if (!$suc->update($orig)) {
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common_log(LOG_WARNING, "Could not save user counts for '$d'");
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}
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}
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static function incrementDay($d)
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{
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$dt = self::dateStrToInt($d);
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return self::dateIntToStr($dt + 24 * 60 * 60);
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}
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static function dateStrToInt($d)
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{
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return strtotime($d.' 00:00:00');
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}
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static function dateIntToStr($dt)
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{
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return date('Y-m-d', $dt);
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}
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static function getFirstDate()
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{
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$u = new User();
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$u->selectAdd();
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$u->selectAdd('date(min(created)) as first_date');
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if ($u->find(true)) {
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return $u->first_date;
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} else {
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// Is this right?
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return self::dateIntToStr(time());
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}
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}
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static function today()
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{
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return self::dateIntToStr(time());
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}
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2010-05-03 19:00:12 +01:00
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}
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