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piwigo_ynh/sources/include/calendar_monthly.class.php
monsieur-a 677d1bffff initial commit
2014-07-06 13:21:10 +02:00

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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | 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 |
// | |
// | 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
/**
* @package functions\calendar
*/
include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php');
/** level of year view */
define('CYEAR', 0);
/** level of month view */
define('CMONTH', 1);
/** level of day view */
define('CDAY', 2);
/**
* Monthly calendar style (composed of years/months and days)
*/
class Calendar extends CalendarBase
{
/**
* Initialize the calendar.
* @param string $inner_sql
*/
function initialize($inner_sql)
{
parent::initialize($inner_sql);
global $lang;
$this->calendar_levels = array(
array(
'sql'=> pwg_db_get_year($this->date_field),
'labels' => null
),
array(
'sql'=> pwg_db_get_month($this->date_field),
'labels' => $lang['month']
),
array(
'sql'=> pwg_db_get_dayofmonth($this->date_field),
'labels' => null
),
);
}
/**
* Generate navigation bars for category page.
*
* @return boolean false indicates that thumbnails where not included
*/
function generate_category_content()
{
global $conf, $page;
$view_type = $page['chronology_view'];
if ($view_type==CAL_VIEW_CALENDAR)
{
global $template;
$tpl_var = array();
if ( count($page['chronology_date'])==0 )
{//case A: no year given - display all years+months
if ($this->build_global_calendar($tpl_var))
{
$template->assign('chronology_calendar', $tpl_var);
return true;
}
}
if ( count($page['chronology_date'])==1 )
{//case B: year given - display all days in given year
if ($this->build_year_calendar($tpl_var))
{
$template->assign('chronology_calendar', $tpl_var);
$this->build_nav_bar(CYEAR); // years
return true;
}
}
if ( count($page['chronology_date'])==2 )
{//case C: year+month given - display a nice month calendar
if ( $this->build_month_calendar($tpl_var) )
{
$template->assign('chronology_calendar', $tpl_var);
}
$this->build_next_prev();
return true;
}
}
if ($view_type==CAL_VIEW_LIST or count($page['chronology_date'])==3)
{
if ( count($page['chronology_date'])==0 )
{
$this->build_nav_bar(CYEAR); // years
}
if ( count($page['chronology_date'])==1)
{
$this->build_nav_bar(CMONTH); // month
}
if ( count($page['chronology_date'])==2 )
{
$day_labels = range( 1, $this->get_all_days_in_month(
$page['chronology_date'][CYEAR] ,$page['chronology_date'][CMONTH] ) );
array_unshift($day_labels, 0);
unset( $day_labels[0] );
$this->build_nav_bar( CDAY, $day_labels ); // days
}
$this->build_next_prev();
}
return false;
}
/**
* Returns a sql WHERE subquery for the date field.
*
* @param int $max_levels (e.g. 2=only year and month)
* @return string
*/
function get_date_where($max_levels=3)
{
global $page;
$date = $page['chronology_date'];
while (count($date)>$max_levels)
{
array_pop($date);
}
$res = '';
if (isset($date[CYEAR]) and $date[CYEAR]!=='any')
{
$b = $date[CYEAR] . '-';
$e = $date[CYEAR] . '-';
if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
{
$b .= sprintf('%02d-', $date[CMONTH]);
$e .= sprintf('%02d-', $date[CMONTH]);
if (isset($date[CDAY]) and $date[CDAY]!=='any')
{
$b .= sprintf('%02d', $date[CDAY]);
$e .= sprintf('%02d', $date[CDAY]);
}
else
{
$b .= '01';
$e .= $this->get_all_days_in_month($date[CYEAR], $date[CMONTH]);
}
}
else
{
$b .= '01-01';
$e .= '12-31';
if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
{
$res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH];
}
if (isset($date[CDAY]) and $date[CDAY]!=='any')
{
$res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
}
}
$res = " AND $this->date_field BETWEEN '$b' AND '$e 23:59:59'" . $res;
}
else
{
$res = ' AND '.$this->date_field.' IS NOT NULL';
if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
{
$res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH];
}
if (isset($date[CDAY]) and $date[CDAY]!=='any')
{
$res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
}
}
return $res;
}
/**
* Returns an array with all the days in a given month.
*
* @param int $year
* @param int $month
* @return int[]
*/
protected function get_all_days_in_month($year, $month)
{
$md= array(1=>31,28,31,30,31,30,31,31,30,31,30,31);
if ( is_numeric($year) and $month==2)
{
$nb_days = $md[2];
if ( ($year%4==0) and ( ($year%100!=0) or ($year%400!=0) ) )
{
$nb_days++;
}
}
elseif ( is_numeric($month) )
{
$nb_days = $md[ $month ];
}
else
{
$nb_days = 31;
}
return $nb_days;
}
/**
* Build global calendar and assign the result in _$tpl_var_
*
* @param array $tpl_var
* @return bool
*/
protected function build_global_calendar(&$tpl_var)
{
global $page;
assert( count($page['chronology_date']) == 0 );
$query='
SELECT '.pwg_db_get_date_YYYYMM($this->date_field).' as period,
COUNT(distinct id) as count';
$query.= $this->inner_sql;
$query.= $this->get_date_where();
$query.= '
GROUP BY period
ORDER BY '.pwg_db_get_year($this->date_field).' DESC, '.pwg_db_get_month($this->date_field).' ASC';
$result = pwg_query($query);
$items=array();
while ($row = pwg_db_fetch_assoc($result))
{
$y = substr($row['period'], 0, 4);
$m = (int)substr($row['period'], 4, 2);
if ( ! isset($items[$y]) )
{
$items[$y] = array('nb_images'=>0, 'children'=>array() );
}
$items[$y]['children'][$m] = $row['count'];
$items[$y]['nb_images'] += $row['count'];
}
//echo ('<pre>'. var_export($items, true) . '</pre>');
if (count($items)==1)
{// only one year exists so bail out to year view
list($y) = array_keys($items);
$page['chronology_date'][CYEAR] = $y;
return false;
}
global $lang;
foreach ( $items as $year=>$year_data)
{
$chronology_date = array( $year );
$url = duplicate_index_url( array('chronology_date'=>$chronology_date) );
$nav_bar = $this->get_nav_bar_from_items( $chronology_date,
$year_data['children'], false, false, $lang['month'] );
$tpl_var['calendar_bars'][] =
array(
'U_HEAD' => $url,
'NB_IMAGES' => $year_data['nb_images'],
'HEAD_LABEL' => $year,
'items' => $nav_bar,
);
}
return true;
}
/**
* Build year calendar and assign the result in _$tpl_var_
*
* @param array $tpl_var
* @return bool
*/
protected function build_year_calendar(&$tpl_var)
{
global $page;
assert( count($page['chronology_date']) == 1 );
$query='SELECT '.pwg_db_get_date_MMDD($this->date_field).' as period,
COUNT(DISTINCT id) as count';
$query.= $this->inner_sql;
$query.= $this->get_date_where();
$query.= '
GROUP BY period
ORDER BY period ASC';
$result = pwg_query($query);
$items=array();
while ($row = pwg_db_fetch_assoc($result))
{
$m = (int)substr($row['period'], 0, 2);
$d = substr($row['period'], 2, 2);
if ( ! isset($items[$m]) )
{
$items[$m] = array('nb_images'=>0, 'children'=>array() );
}
$items[$m]['children'][$d] = $row['count'];
$items[$m]['nb_images'] += $row['count'];
}
if (count($items)==1)
{ // only one month exists so bail out to month view
list($m) = array_keys($items);
$page['chronology_date'][CMONTH] = $m;
return false;
}
global $lang;
foreach ( $items as $month=>$month_data)
{
$chronology_date = array( $page['chronology_date'][CYEAR], $month );
$url = duplicate_index_url( array('chronology_date'=>$chronology_date) );
$nav_bar = $this->get_nav_bar_from_items( $chronology_date,
$month_data['children'], false );
$tpl_var['calendar_bars'][] =
array(
'U_HEAD' => $url,
'NB_IMAGES' => $month_data['nb_images'],
'HEAD_LABEL' => $lang['month'][$month],
'items' => $nav_bar,
);
}
return true;
}
/**
* Build month calendar and assign the result in _$tpl_var_
*
* @param array $tpl_var
* @return bool
*/
protected function build_month_calendar(&$tpl_var)
{
global $page, $lang, $conf;
$query='SELECT '.pwg_db_get_dayofmonth($this->date_field).' as period,
COUNT(DISTINCT id) as count';
$query.= $this->inner_sql;
$query.= $this->get_date_where();
$query.= '
GROUP BY period
ORDER BY period ASC';
$items=array();
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$d = (int)$row['period'];
$items[$d] = array('nb_images'=>$row['count']);
}
foreach ( $items as $day=>$data)
{
$page['chronology_date'][CDAY]=$day;
$query = '
SELECT id, file,representative_ext,path,width,height,rotation, '.pwg_db_get_dayofweek($this->date_field).'-1 as dow';
$query.= $this->inner_sql;
$query.= $this->get_date_where();
$query.= '
ORDER BY '.DB_RANDOM_FUNCTION.'()
LIMIT 1';
unset ( $page['chronology_date'][CDAY] );
$row = pwg_db_fetch_assoc(pwg_query($query));
$derivative = new DerivativeImage(IMG_SQUARE, new SrcImage($row));
$items[$day]['derivative'] = $derivative;
$items[$day]['file'] = $row['file'];
$items[$day]['dow'] = $row['dow'];
}
if ( !empty($items) )
{
list($known_day) = array_keys($items);
$known_dow = $items[$known_day]['dow'];
$first_day_dow = ($known_dow-($known_day-1))%7;
if ($first_day_dow<0)
{
$first_day_dow += 7;
}
//first_day_dow = week day corresponding to the first day of this month
$wday_labels = $lang['day'];
if ('monday' == $conf['week_starts_on'])
{
if ($first_day_dow==0)
{
$first_day_dow = 6;
}
else
{
$first_day_dow -= 1;
}
$wday_labels[] = array_shift($wday_labels);
}
list($cell_width, $cell_height) = ImageStdParams::get_by_type(IMG_SQUARE)->sizing->ideal_size;
$tpl_weeks = array();
$tpl_crt_week = array();
//fill the empty days in the week before first day of this month
for ($i=0; $i<$first_day_dow; $i++)
{
$tpl_crt_week[] = array();
}
for ( $day = 1;
$day <= $this->get_all_days_in_month(
$page['chronology_date'][CYEAR], $page['chronology_date'][CMONTH]
);
$day++)
{
$dow = ($first_day_dow + $day-1)%7;
if ($dow==0 and $day!=1)
{
$tpl_weeks[] = $tpl_crt_week; // add finished week to week list
$tpl_crt_week = array(); // start new week
}
if ( !isset($items[$day]) )
{// empty day
$tpl_crt_week[] =
array(
'DAY' => $day
);
}
else
{
$url = duplicate_index_url(
array(
'chronology_date' =>
array(
$page['chronology_date'][CYEAR],
$page['chronology_date'][CMONTH],
$day
)
)
);
$tpl_crt_week[] =
array(
'DAY' => $day,
'DOW' => $dow,
'NB_ELEMENTS' => $items[$day]['nb_images'],
'IMAGE' => $items[$day]['derivative']->get_url(),
'U_IMG_LINK' => $url,
'IMAGE_ALT' => $items[$day]['file'],
);
}
}
//fill the empty days in the week after the last day of this month
while ( $dow<6 )
{
$tpl_crt_week[] = array();
$dow++;
}
$tpl_weeks[] = $tpl_crt_week;
$tpl_var['month_view'] =
array(
'CELL_WIDTH' => $cell_width,
'CELL_HEIGHT' => $cell_height,
'wday_labels' => $wday_labels,
'weeks' => $tpl_weeks,
);
}
return true;
}
}
?>
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