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merge r4444 from branch 2.0 to trunk

feature 1312 added: pwg.images.setInfo can replace multiple values propreties
(tags/categories). The primary condition is to provide "tag_ids" and/or
"categories" input parameters, ie pwg.images.set won't create emptiness. You
can reduce the set of tags/categories but not remove all tags/categories.

bug 1277 fixed: with a stronger algorithm for adding/replacing categories, we
now avoid to recreate an existing image_category association.

When a remote client calls pwg.images.setInfo, Piwigo returns an error 500 if:
1. the "categories" parameter is malformed (no numeric id inside)
2. one of the input categories does not exist at database level.


git-svn-id: http://piwigo.org/svn/trunk@4445 68402e56-0260-453c-a942-63ccdbb3a9ee
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plegall committed Dec 7, 2009
1 parent 8d75d40 commit 17dd6ed3ae9fbe6c0d328adb5c0b7fad6c111474
Showing with 123 additions and 46 deletions.
  1. +122 −46 include/ws_functions.inc.php
  2. +1 −0 ws.php
@@ -1730,24 +1730,38 @@ function ws_images_setInfo($params, &$service)
{
ws_add_image_category_relations(
$params['image_id'],
$params['categories']
$params['categories'],
$params['replace_mode']
);
}
// and now, let's create tag associations
if (isset($params['tag_ids']))
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
add_tags(
explode(',', $params['tag_ids']),
array($params['image_id'])
);
$tag_ids = explode(',', $params['tag_ids']);
if ($params['replace_mode'])
{
set_tags(
$tag_ids,
$params['image_id']
);
}
else
{
add_tags(
$tag_ids,
array($params['image_id'])
);
}
}
invalidate_user_cache();
}
function ws_add_image_category_relations($image_id, $categories_string)
function ws_add_image_category_relations($image_id, $categories_string, $replace_mode=false)
{
// let's add links between the image and the categories
//
@@ -1765,6 +1779,11 @@ function ws_add_image_category_relations($image_id, $categories_string)
{
@list($cat_id, $rank) = explode(',', $token);
if (!preg_match('/^\d+$/', $cat_id))
{
continue;
}
array_push($cat_ids, $cat_id);
if (!isset($rank))
@@ -1781,62 +1800,119 @@ function ws_add_image_category_relations($image_id, $categories_string)
$cat_ids = array_unique($cat_ids);
if (count($cat_ids) > 0)
if (count($cat_ids) == 0)
{
new PwgError(
500,
'[ws_add_image_category_relations] there is no category defined in "'.$categories_string.'"'
);
exit();
}
$query = '
SELECT
id
FROM '.CATEGORIES_TABLE.'
WHERE id IN ('.implode(',', $cat_ids).')
;';
$db_cat_ids = array_from_query($query, 'id');
$unknown_cat_ids = array_diff($cat_ids, $db_cat_ids);
if (count($unknown_cat_ids) != 0)
{
new PwgError(
500,
'[ws_add_image_category_relations] the following categories are unknown: '.implode(', ', $unknown_cat_ids)
);
exit();
}
$to_update_cat_ids = array();
// in case of replace mode, we first check the existing associations
$query = '
SELECT
category_id
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id = '.$image_id.'
;';
$existing_cat_ids = array_from_query($query, 'category_id');
if ($replace_mode)
{
if ($search_current_ranks)
$to_remove_cat_ids = array_diff($existing_cat_ids, $cat_ids);
if (count($to_remove_cat_ids) > 0)
{
$query = '
DELETE
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id = '.$image_id.'
AND category_id IN ('.implode(', ', $to_remove_cat_ids).')
;';
pwg_query($query);
update_category($to_remove_cat_ids);
}
}
$new_cat_ids = array_diff($cat_ids, $existing_cat_ids);
if (count($new_cat_ids) == 0)
{
return true;
}
if ($search_current_ranks)
{
$query = '
SELECT
category_id,
MAX(rank) AS max_rank
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE rank IS NOT NULL
AND category_id IN ('.implode(',', $cat_ids).')
AND category_id IN ('.implode(',', $new_cat_ids).')
GROUP BY category_id
;';
$current_rank_of = simple_hash_from_query(
$query,
'category_id',
'max_rank'
);
$current_rank_of = simple_hash_from_query(
$query,
'category_id',
'max_rank'
);
foreach ($cat_ids as $cat_id)
foreach ($new_cat_ids as $cat_id)
{
if (!isset($current_rank_of[$cat_id]))
{
if (!isset($current_rank_of[$cat_id]))
{
$current_rank_of[$cat_id] = 0;
}
if ('auto' == $rank_on_category[$cat_id])
{
$rank_on_category[$cat_id] = $current_rank_of[$cat_id] + 1;
}
$current_rank_of[$cat_id] = 0;
}
if ('auto' == $rank_on_category[$cat_id])
{
$rank_on_category[$cat_id] = $current_rank_of[$cat_id] + 1;
}
}
$inserts = array();
foreach ($cat_ids as $cat_id)
{
array_push(
$inserts,
array(
'image_id' => $image_id,
'category_id' => $cat_id,
'rank' => $rank_on_category[$cat_id],
)
);
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
mass_inserts(
IMAGE_CATEGORY_TABLE,
array_keys($inserts[0]),
$inserts
}
$inserts = array();
foreach ($new_cat_ids as $cat_id)
{
array_push(
$inserts,
array(
'image_id' => $image_id,
'category_id' => $cat_id,
'rank' => $rank_on_category[$cat_id],
)
);
update_category($cat_ids);
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
mass_inserts(
IMAGE_CATEGORY_TABLE,
array_keys($inserts[0]),
$inserts
);
update_category($new_cat_ids);
}
function ws_categories_setInfo($params, &$service)
1 ws.php
@@ -289,6 +289,7 @@ function ws_addDefaultMethods( $arr )
'default' => 0,
'maxValue' => $conf['available_permission_levels']
),
'replace_mode' => array('default' => false),
),
'POST method only. Admin only
<br><b>categories</b> is a string list "category_id[,rank];category_id[,rank]" The rank is optional and is equivalent to "auto" if not given.'

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