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-rw-r--r--admin/include/functions.php545
1 files changed, 91 insertions, 454 deletions
diff --git a/admin/include/functions.php b/admin/include/functions.php
index 3a8c6b506..f9435b1f1 100644
--- a/admin/include/functions.php
+++ b/admin/include/functions.php
@@ -152,22 +152,16 @@ function delete_categories($ids)
// destruction of all the related elements
$query = '
-SELECT image_id
- FROM '.IMAGE_CATEGORY_TABLE.'
- WHERE is_storage = \'true\'
- AND category_id IN ('.
- wordwrap(
- implode(', ', $ids),
- 80,
- "\n"
- ).
- ')
+SELECT id
+ FROM '.IMAGES_TABLE.'
+ WHERE storage_category_id IN (
+'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
$result = pwg_query($query);
$element_ids = array();
while ($row = mysql_fetch_array($result))
{
- array_push($element_ids, $row['image_id']);
+ array_push($element_ids, $row['id']);
}
delete_elements($element_ids);
@@ -194,37 +188,6 @@ DELETE FROM '.GROUP_ACCESS_TABLE.'
;';
pwg_query($query);
- // source/destination links deletion
- $query = '
-SELECT destination, source
- FROM '.CATEGORIES_LINK_TABLE.'
- WHERE source IN ('.implode(',', $ids).')
- OR destination IN ('.implode(',', $ids).')
-;';
- $result = pwg_query($query);
-
- $sources_of = array();
-
- while ($row = mysql_fetch_array($result))
- {
- if (!isset($sources_of[ $row['destination'] ]))
- {
- $sources_of[ $row['destination'] ] = array();
- }
-
- array_push(
- $sources_of[ $row['destination'] ],
- $row['source']
- );
- }
-
- foreach ($sources_of as $destination => $sources)
- {
- delete_sources($destination, $sources);
- }
-
- update_category();
-
// destruction of the category
$query = '
DELETE FROM '.CATEGORIES_TABLE.'
@@ -441,15 +404,14 @@ SELECT id
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
+ 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))
+ while ( $row = mysql_fetch_array( $result ) )
{
array_push($query_ids, $row['category_id']);
@@ -466,23 +428,12 @@ SELECT category_id,
// is returned but the update must be done !
foreach (array_diff($cat_ids, $query_ids) as $id)
{
- array_push(
- $datas,
- array(
- 'id' => $id,
- 'nb_images' => 0,
- )
- );
+ array_push($datas, array('id' => $id, 'nb_images' => 0));
}
- mass_updates(
- CATEGORIES_TABLE,
- array(
- 'primary' => array('id'),
- 'update' => array('date_last', 'nb_images')
- ),
- $datas
- );
+ $fields = array('primary' => array('id'),
+ 'update' => array('date_last', 'nb_images'));
+ mass_updates(CATEGORIES_TABLE, $fields, $datas);
// representative pictures
if (count($cat_ids) > 0)
@@ -1357,42 +1308,19 @@ SELECT id, id_uppercat
*/
function update_path()
{
- $images_of = array();
-
$query = '
-SELECT category_id, image_id
- FROM '.IMAGE_CATEGORY_TABLE.'
- WHERE is_storage = \'true\'
+SELECT DISTINCT(storage_category_id)
+ FROM '.IMAGES_TABLE.'
;';
- $result = pwg_query($query);
- while ($row = mysql_fetch_array($result))
- {
- if (!isset($images_of[ $row['category_id'] ]))
- {
- $images_of[ $row['category_id'] ] = array();
- }
+ $cat_ids = array_from_query($query, 'storage_category_id');
+ $fulldirs = get_fulldirs($cat_ids);
- array_push(
- $images_of[ $row['category_id'] ],
- $row['image_id']
- );
- }
-
- $fulldirs = get_fulldirs(
- array_keys($images_of)
- );
-
- foreach ($images_of as $cat_id => $image_ids)
+ foreach ($cat_ids as $cat_id)
{
$query = '
UPDATE '.IMAGES_TABLE.'
SET path = CONCAT(\''.$fulldirs[$cat_id].'\',\'/\',file)
- WHERE id IN ('.
- wordwrap(
- implode(', ', $image_ids),
- 80,
- "\n").
- ')
+ WHERE storage_category_id = '.$cat_id.'
;';
pwg_query($query);
}
@@ -1613,371 +1541,6 @@ DELETE FROM '.$table.'
}
/**
- * Returns all destinations of a list of source categories. This function
- * solves transitivity.
- *
- * @param mixed array of category ids, empty for all categories
- */
-function get_destinations($categories = 'all')
-{
- $query = '
-SELECT source, destination
- FROM '.CATEGORIES_LINK_TABLE.'
-';
- $result = pwg_query($query);
-
- $destinations_of = array();
-
- while ($row = mysql_fetch_array($result))
- {
- if (!isset($destinations_of[ $row['source'] ]))
- {
- $destinations_of[ $row['source'] ] = array();
- }
-
- array_push(
- $destinations_of[ $row['source'] ],
- $row['destination']
- );
- }
-
- // transitivity resolution: if " => " means "source of", if A=>B=>C
- // implies A=>B and A=>C. So A has 2 destinations: B and C.
- do
- {
- // let's suppose we only need a single turn
- $need_new_turn = false;
-
- foreach ($destinations_of as $source => $destinations)
- {
- foreach ($destinations as $destination)
- {
- // does the current destination has destinations itself?
- if (isset($destinations_of[$destination]))
- {
- // are there destinations of current destination not already among
- // destinations of the current source? (advise: take a piece of
- // paper and draw a schema). The source itself must not be counted
- // as a destination, thus avoiding cyclic links.
- $missing_destinations = array_diff(
- $destinations_of[$destination],
- $destinations,
- array($source) // no cyclic link
- );
-
- if (count($missing_destinations) > 0)
- {
- $destinations_of[$source] = array_unique(
- array_merge(
- $destinations,
- $missing_destinations
- )
- );
-
- // a category has a least one new destination, we have to check
- // one more time that it doesn't generate more destinations
- $need_new_turn = true;
- }
- }
- }
- }
- } while ($need_new_turn);
-
- if (is_array($categories))
- {
- $filtered_destinations_of = array();
-
- // Even if there is no destinations for the requested categories, we
- // return empty arrays
- foreach ($categories as $category)
- {
- $filtered_destinations_of[$category] = array();
- }
-
- foreach ($destinations_of as $source => $destinations)
- {
- if (in_array($source, $categories))
- {
- $filtered_destinations_of[$source] = $destinations;
- }
- }
-
- return $filtered_destinations_of;
- }
- else
- {
- return $destinations_of;
- }
-}
-
-/**
- * Returns all sources of a list of destination categories. This function
- * solves transitivity.
- *
- * @param mixed array of category ids, empty for all categories
- */
-function get_sources($categories = 'all')
-{
- $destinations_of = get_destinations();
-
- $sources_of = array();
-
- foreach ($destinations_of as $source => $destinations)
- {
- foreach ($destinations as $destination)
- {
- if (!isset($sources_of[$destination]))
- {
- $sources_of[$destination] = array();
- }
-
- array_push($sources_of[$destination], $source);
- }
- }
-
- // eventually, filter
- if (is_array($categories))
- {
- $filtered_sources_of = array();
-
- // Even if there is no sources for the requested categories, we return
- // empty arrays
- foreach ($categories as $category)
- {
- $filtered_sources_of[$category] = array();
- }
-
- foreach ($sources_of as $destination => $sources)
- {
- if (in_array($destination, $categories))
- {
- $filtered_sources_of[$destination] = $sources;
- }
- }
-
- return $filtered_sources_of;
- }
- else
- {
- return $sources_of;
- }
-}
-
-/**
- * Checks categories links are respected for a given list of destinations.
- *
- * Checking categories links means that each destination must be associated
- * to the images of its sources.
- *
- * @param mixed source category ids
- */
-function check_links($destinations = 'all')
-{
- $sources_of = get_sources($destinations);
-
- if (empty($sources_of))
- {
- return true;
- }
-
- // we need to search images of all sources and destinations
- $images_of = array();
-
- foreach ($sources_of as $destination => $sources)
- {
- $images_of[$destination] = array();
-
- foreach ($sources as $source)
- {
- $images_of[$source] = array();
- }
- }
-
- $query = '
-SELECT image_id, category_id
- FROM '.IMAGE_CATEGORY_TABLE.'
- WHERE category_id IN ('.
- implode(',', array_keys($images_of)).
- ')
-;';
- $result = pwg_query($query);
-
- while ($row = mysql_fetch_array($result))
- {
- array_push(
- $images_of[ $row['category_id'] ],
- $row['image_id']
- );
- }
-
- $inserts = array();
-
- foreach ($sources_of as $destination => $sources)
- {
- // merge all images from the sources of this destination
- $sources_images = array();
-
- foreach ($sources as $source)
- {
- $sources_images = array_merge(
- $sources_images,
- $images_of[$source]
- );
- }
-
- $sources_images = array_unique($sources_images);
-
- // are there images among the sources that are not linked to the
- // destination?
- $missing_images = array_diff(
- $sources_images,
- $images_of[$destination]
- );
-
- // if we find missing images (missing links in reality), we prepare the
- // final mass_inserts
- if (count($missing_images) > 0)
- {
- foreach ($missing_images as $missing_image)
- {
- array_push(
- $inserts,
- array(
- 'category_id' => $destination,
- 'image_id' => $missing_image,
- )
- );
- }
- }
- }
-
- if (count($inserts) > 0)
- {
- mass_inserts(
- IMAGE_CATEGORY_TABLE,
- array_keys($inserts[0]),
- $inserts
- );
- }
-}
-
-/**
- * Based on categories links, delete image_category links on destinations.
- *
- * The rule is the following: if an image belong to the category and to the
- * source, we suppose it comes from the source. If the source/destination
- * link is broken, we delete the image/category link if the only origin of
- * the link was the broken categories link.
- *
- * Example: "=>" means "source of". Between brackets the associated images.
- *
- * A (1,2,9) => \
- * |=> C (1,2,3,4,5,9) => D (1,2,3,4,5,6,9)
- * B (3,4,9) => /
- *
- * In category C, we suppose (1,2) come from A, (3,4) from B, 9 from A or B
- * and 5 was manually added. In category D, 6 was added manually.
- *
- * If we break A=>C, C and D loose (1,2) but not 9 because it can come from
- * B. If we break C=>D, D loose (3,4,5,9) but not 6 because it was
- * associated manually to 9.
- *
- * Warning: only virtual links can be removed, physical links are protected.
- *
- * @param int destination
- * @param array sources
- */
-function delete_sources($destination, $sources)
-{
- // if no sources to unlink, we stop with OK status
- if (count($sources) == 0)
- {
- return true;
- }
-
- $query = '
-DELETE
- FROM '.CATEGORIES_LINK_TABLE.'
- WHERE destination = '.$destination.'
- AND source IN ('.implode(',', $sources).')
-;';
- pwg_query($query);
-
- // The strategy is the following:
- //
- // * first we brutally delete the image/category associations on
- // destinations categories for all images belonging to sources.
- //
- // * then we check_links on destinations to rebuild missing image/category
- // associations.
-
- // what are the images associated to the sources to unlink
- $query = '
-SELECT image_id
- FROM '.IMAGE_CATEGORY_TABLE.'
- WHERE category_id IN ('.
- implode(',', $sources).
- ')
-;';
- $sources_images = array_unique(
- array_from_query($query, 'image_id')
- );
-
- if (count($sources_images) == 0)
- {
- return true;
- }
-
- // retrieve all direct and indirect destinations of the current
- // destination
- $destinations_of = get_destinations(array($destination));
-
- $destinations = array_merge(
- array($destination),
- $destinations_of[$destination]
- );
-
- // unlink sources images from destinations
- $query = '
-DELETE
- FROM '.IMAGE_CATEGORY_TABLE.'
- WHERE category_id IN ('.implode(',', $destinations).')
- AND image_id IN ('.implode(',', $sources_images).')
- AND is_storage = \'false\'
-;';
- pwg_query($query);
-
- // if the representative thumbnail of destinations was a picture from
- // $sources_images, we request a new random representant
- $query = '
-SELECT id, representative_picture_id
- FROM '.CATEGORIES_TABLE.'
- WHERE id IN ('.implode(',', $destinations).')
-;';
- $result = pwg_query($query);
-
- $request_random = array();
-
- while ($row = mysql_fetch_array($result))
- {
- if (isset($row['representative_picture_id']))
- {
- if (in_array($row['representative_picture_id'], $sources_images))
- {
- array_push($request_random, $row['id']);
- }
- }
- }
-
- set_random_representant($request_random);
-
- // eventually, we check_links to rebuild missing associations
- check_links($destinations);
-
- return true;
-}
-
-/**
* create a virtual category
*
* @param string category name
@@ -2299,4 +1862,78 @@ function do_maintenance_all_tables()
pwg_query($query);
}
+
+/**
+ * Associate a list of images to a list of categories.
+ *
+ * The function will not duplicate links
+ *
+ * @param array images
+ * @param array categories
+ * @return void
+ */
+function associate_images_to_categories($images, $categories)
+{
+ if (count($images) == 0
+ or count($categories) == 0)
+ {
+ return false;
+ }
+
+ $query = '
+DELETE
+ FROM '.IMAGE_CATEGORY_TABLE.'
+ WHERE image_id IN ('.implode(',', $images).')
+ AND category_id IN ('.implode(',', $categories).')
+;';
+ pwg_query($query);
+
+ $inserts = array();
+ foreach ($categories as $category_id)
+ {
+ foreach ($images as $image_id)
+ {
+ array_push(
+ $inserts,
+ array(
+ 'image_id' => $image_id,
+ 'category_id' => $category_id,
+ )
+ );
+ }
+ }
+
+ mass_inserts(
+ IMAGE_CATEGORY_TABLE,
+ array_keys($inserts[0]),
+ $inserts
+ );
+
+ update_category($categories);
+}
+
+/**
+ * Associate images associated to a list of source categories to a list of
+ * destination categories.
+ *
+ * @param array sources
+ * @param array destinations
+ * @return void
+ */
+function associate_categories_to_categories($sources, $destinations)
+{
+ if (count($sources) == 0)
+ {
+ return false;
+ }
+
+ $query = '
+SELECT image_id
+ FROM '.IMAGE_CATEGORY_TABLE.'
+ WHERE category_id IN ('.implode(',', $sources).')
+;';
+ $images = array_from_query($query, 'image_id');
+
+ associate_images_to_categories($images, $destinations);
+}
?>