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- move #categories.date_last and nb_images to #user_cache_categories

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git-svn-id: http://piwigo.org/svn/trunk@2324 68402e56-0260-453c-a942-63ccdbb3a9ee
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rvelices 2008-05-01 01:12:34 +00:00
commit 7942dccf9b
10 changed files with 150 additions and 202 deletions
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187
admin/include/functions.php
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@ -251,175 +251,72 @@ DELETE FROM '.USERS_TABLE.'
}
/**
* updates calculated informations about a set of categories : date_last and
* nb_images. It also verifies that the representative picture is really
* linked to the category. Optionnaly recursive.
* Verifies that the representative picture really exists in the db and
* picks up a random represantive if possible and based on config.
*
* @param mixed category id
* @param boolean recursive
* @returns void
*/
function update_category($ids = 'all', $recursive = false)
function update_category($ids = 'all')
{
global $conf;
// retrieving all categories to update
$cat_ids = array();
$query = '
SELECT id
FROM '.CATEGORIES_TABLE;
if (is_array($ids))
if ($ids=='all')
{
if ($recursive)
$where_cats = '1=1';
}
elseif ( !is_array($ids) )
{
$where_cats = '%s='.$ids;
}
else
{
if (count($ids) == 0)
{
foreach ($ids as $num => $id)
{
if ($num == 0)
{
$query.= '
WHERE ';
}
else
{
$query.= '
OR ';
}
$query.= 'uppercats REGEXP \'(^|,)'.$id.'(,|$)\'';
}
}
else
{
$query.= '
WHERE id IN ('.wordwrap(implode(', ', $ids), 80, "\n").')';
return false;
}
$where_cats = '%s IN('.wordwrap(implode(', ', $ids), 120, "\n").')';
}
$query.= '
;';
$cat_ids = array_unique(array_from_query($query, 'id'));
if (count($cat_ids) == 0)
{
return false;
}
// calculate informations about categories retrieved
// find all categories where the setted representative is not possible :
// the picture does not exist
$query = '
SELECT category_id,
COUNT(image_id) AS nb_images,
MAX(date_available) AS date_last
FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id
WHERE category_id IN ('.wordwrap(implode(', ', $cat_ids), 80, "\n").')
GROUP BY category_id
;';
$result = pwg_query($query);
$datas = array();
$query_ids = array();
while ( $row = mysql_fetch_array( $result ) )
{
array_push($query_ids, $row['category_id']);
array_push(
$datas,
array(
'id' => $row['category_id'],
'date_last' => $row['date_last'],
'nb_images' => $row['nb_images']
)
);
}
// if all links between a category and elements have disappeared, no line
// is returned but the update must be done !
foreach (array_diff($cat_ids, $query_ids) as $id)
{
array_push($datas, array('id' => $id, 'nb_images' => 0));
}
$fields = array('primary' => array('id'),
'update' => array('date_last', 'nb_images'));
mass_updates(CATEGORIES_TABLE, $fields, $datas);
// representative pictures
if (count($cat_ids) > 0)
{
// find all categories where the setted representative is not possible :
// the picture does not exist
$query = '
SELECT c.id
SELECT DISTINCT c.id
FROM '.CATEGORIES_TABLE.' AS c LEFT JOIN '.IMAGES_TABLE.' AS i
ON c.representative_picture_id = i.id
WHERE representative_picture_id IS NOT NULL
AND c.id IN ('.wordwrap(implode(', ', $cat_ids), 80, "\n").')
AND '.sprintf($where_cats, 'c.id').'
AND i.id IS NULL
;';
$wrong_representant = array_from_query($query, 'id');
$wrong_representant = array_from_query($query, 'id');
if ($conf['allow_random_representative'])
{
if (count($wrong_representant) > 0)
{
$query = '
if (count($wrong_representant) > 0)
{
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET representative_picture_id = NULL
WHERE id IN ('.wordwrap(implode(', ', $wrong_representant), 80, "\n").')
WHERE id IN ('.wordwrap(implode(', ', $wrong_representant), 120, "\n").')
;';
pwg_query($query);
}
}
else
{
$to_null = array();
$to_rand = array();
pwg_query($query);
}
if (count($wrong_representant) > 0)
{
// among the categories with an unknown representant, we dissociate
// categories containing pictures and categories containing no
// pictures. Indeed, the representant must set to NULL if no picture
// in the category and set to a random picture otherwise.
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE id IN ('.wordwrap(implode(', ', $wrong_representant), 80, "\n").')
AND nb_images = 0
;';
$to_null = array_from_query($query, 'id');
$to_rand = array_diff($wrong_representant, $to_null);
}
if (count($to_null) > 0)
{
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET representative_picture_id = NULL
WHERE id IN ('.wordwrap(implode(', ', $to_null), 80, "\n").')
;';
pwg_query($query);
}
// If the random representant is not allowed, we need to find
// categories with elements and with no representant. Those categories
// must be added to the list of categories to set to a random
// representant.
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
if (!$conf['allow_random_representative'])
{
// If the random representant is not allowed, we need to find
// categories with elements and with no representant. Those categories
// must be added to the list of categories to set to a random
// representant.
$query = '
SELECT DISTINCT id
FROM '.CATEGORIES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.'
ON id = category_id
WHERE representative_picture_id IS NULL
AND nb_images != 0
AND id IN ('.wordwrap(implode(', ', $cat_ids), 80, "\n").')
AND '.sprintf($where_cats, 'category_id').'
;';
$to_rand =
array_unique(
array_merge(
$to_rand,
array_from_query($query, 'id')
)
);
if (count($to_rand) > 0)
{
set_random_representant($to_rand);
}
$to_rand = array_from_query($query, 'id');
if (count($to_rand) > 0)
{
set_random_representant($to_rand);
}
}
}