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authorz0rglub <z0rglub@piwigo.org>2003-08-30 15:54:37 +0000
committerz0rglub <z0rglub@piwigo.org>2003-08-30 15:54:37 +0000
commit044fba02566cd1854e8a1721a74552073a6ad2e3 (patch)
tree5e2960701b26c9d9a9ba6e887277a652024eb961 /admin/include/functions.php
parentb5bc93914972e247aeb6dbe3dd7e319e13f5034a (diff)
Multi categories for the same picture
git-svn-id: http://piwigo.org/svn/trunk@61 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r--admin/include/functions.php148
1 files changed, 142 insertions, 6 deletions
diff --git a/admin/include/functions.php b/admin/include/functions.php
index dfb4aab90..7115f163b 100644
--- a/admin/include/functions.php
+++ b/admin/include/functions.php
@@ -94,6 +94,7 @@ function delete_site( $id )
// The function delete_category deletes the category identified by the $id
// It also deletes (in the database) :
// - all the images of the images (thanks to delete_image, see further)
+// - all the links between images and this category
// - all the restrictions linked to the category
// The function works recursively.
function delete_category( $id )
@@ -101,7 +102,7 @@ function delete_category( $id )
// destruction of all the related images
$query = 'SELECT id';
$query.= ' FROM '.PREFIX_TABLE.'images';
- $query.= ' WHERE cat_id = '.$id;
+ $query.= ' WHERE storage_category_id = '.$id;
$query.= ';';
$result = mysql_query( $query );
while ( $row = mysql_fetch_array( $result ) )
@@ -109,6 +110,12 @@ function delete_category( $id )
delete_image( $row['id'] );
}
+ // destruction of the links between images and this category
+ $query = 'DELETE FROM '.PREFIX_TABLE.'image_category';
+ $query.= ' WHERE category_id = '.$id;
+ $query.= ';';
+ mysql_query( $query );
+
// destruction of the access linked to the category
$query = 'DELETE FROM '.PREFIX_TABLE.'user_access';
$query.= ' WHERE cat_id = '.$id;
@@ -140,6 +147,7 @@ function delete_category( $id )
// The function delete_image deletes the image identified by the $id
// It also deletes (in the database) :
// - all the comments related to the image
+// - all the links between categories and this image
// - all the favorites associated to the image
function delete_image( $id )
{
@@ -150,7 +158,13 @@ function delete_image( $id )
$query.= ' WHERE image_id = '.$id;
$query.= ';';
mysql_query( $query );
-
+
+ // destruction of the links between images and this category
+ $query = 'DELETE FROM '.PREFIX_TABLE.'image_category';
+ $query.= ' WHERE image_id = '.$id;
+ $query.= ';';
+ mysql_query( $query );
+
// destruction of the favorites associated with the picture
$query = 'DELETE FROM '.PREFIX_TABLE.'favorites';
$query.= ' WHERE image_id = '.$id;
@@ -244,15 +258,28 @@ function check_favorites( $user_id )
$restricted_cat = get_all_restrictions( $user_id, $status );
// retrieving all the favorites for this user and comparing their
// categories to the restricted categories
- $query = 'SELECT image_id, cat_id';
- $query.= ' FROM '.PREFIX_TABLE.'favorites, '.PREFIX_TABLE.'images';
+ $query = 'SELECT image_id';
+ $query.= ' FROM '.PREFIX_TABLE.'favorites';
$query.= ' WHERE user_id = '.$user_id;
- $query.= ' AND id = image_id';
$query.= ';';
$result = mysql_query ( $query );
while ( $row = mysql_fetch_array( $result ) )
{
- if ( in_array( $row['cat_id'], $restricted_cat ) )
+ // for each picture, we have to check all the categories it belongs
+ // to. Indeed if a picture belongs to category_1 and category_2 and that
+ // category_2 is not restricted to the user, he can have the picture as
+ // favorite.
+ $query = 'SELECT DISTINCT(category_id) as category_id';
+ $query.= ' FROM '.PREFIX_TABLE.'image_category';
+ $query.= ' WHERE image_id = '.$row['image_id'];
+ $query.= ';';
+ $picture_result = mysql_query( $query );
+ $picture_cat = array();
+ while ( $picture_row = mysql_fetch_array( $picture_result ) )
+ {
+ array_push( $picture_cat, $picture_row['category_id'] );
+ }
+ if ( count( array_diff( $picture_cat, $restricted_cat ) ) > 0 )
{
$query = 'DELETE FROM '.PREFIX_TABLE.'favorites';
$query.= ' WHERE image_id = '.$row['image_id'];
@@ -262,4 +289,113 @@ function check_favorites( $user_id )
}
}
}
+
+// update_category updates calculated informations about a category :
+// date_last and nb_images
+function update_category( $id = 'all' )
+{
+ if ( $id == 'all' )
+ {
+ $query = 'SELECT id';
+ $query.= ' FROM '.PREFIX_TABLE.'categories';
+ $query.= ';';
+ $result = mysql_query( $query );
+ while ( $row = mysql_fetch_array( $result ) )
+ {
+ // recursive call
+ update_category( $row['id'] );
+ }
+ }
+ else if ( is_numeric( $id ) )
+ {
+ // updating the number of pictures
+ $query = 'SELECT COUNT(*) as nb_images';
+ $query.= ' FROM '.PREFIX_TABLE.'image_category';
+ $query.= ' WHERE category_id = '.$id;
+ $query.= ';';
+ $row = mysql_fetch_array( mysql_query( $query ) );
+ $query = 'UPDATE '.PREFIX_TABLE.'categories';
+ $query.= ' SET nb_images = '.$row['nb_images'];
+ $query.= ' WHERE id = '.$id;
+ $query.= ';';
+ mysql_query( $query );
+ // updating the date_last
+ $query = 'SELECT date_available';
+ $query.= ' FROM '.PREFIX_TABLE.'images';
+ $query.= ' LEFT JOIN '.PREFIX_TABLE.'image_category ON id = image_id';
+ $query.= ' WHERE category_id = '.$id;
+ $query.= ' ORDER BY date_available DESC';
+ $query.= ' LIMIT 0,1';
+ $query.= ';';
+ $row = mysql_fetch_array( mysql_query( $query ) );
+ $query = 'UPDATE '.PREFIX_TABLE.'categories';
+ $query.= " SET date_last = '".$row['date_available']."'";
+ $query.= ' WHERE id = '.$id;
+ $query.= ';';
+ mysql_query( $query );
+ }
+}
+
+function check_date_format( $date )
+{
+ // date arrives at this format : DD/MM/YYYY
+ list($day,$month,$year) = explode( '/', $date );
+ return checkdate ( $month, $day, $year );
+}
+
+function date_convert( $date )
+{
+ // date arrives at this format : DD/MM/YYYY
+ // It must be transformed in YYYY-MM-DD
+ list($day,$month,$year) = explode( '/', $date );
+ return $year.'-'.$month.'-'.$day;
+}
+
+function date_convert_back( $date )
+{
+ // date arrives at this format : YYYY-MM-DD
+ // It must be transformed in DD/MM/YYYY
+ if ( $date != '' )
+ {
+ list($year,$month,$day) = explode( '-', $date );
+ return $day.'/'.$month.'/'.$year;
+ }
+ else
+ {
+ return '';
+ }
+}
+
+// get_keywords returns an array with relevant keywords found in the string
+// given in argument. Keywords must be separated by comma in this string.
+// keywords must :
+// - be longer or equal to 3 characters
+// - not contain ', " or blank characters
+// - unique in the string ("test,test" -> "test")
+function get_keywords( $keywords_string )
+{
+ $keywords = array();
+
+ $candidates = explode( ',', $keywords_string );
+ foreach ( $candidates as $candidate ) {
+ if ( strlen($candidate) >= 3 and !preg_match( '/(\'|"|\s)/', $candidate ) )
+ array_push( $keywords, $candidate );
+ }
+
+ return array_unique( $keywords );
+}
+
+function display_categories( $categories, $indent )
+{
+ global $vtp,$sub;
+
+ foreach ( $categories as $category ) {
+ $vtp->addSession( $sub, 'associate_cat' );
+ $vtp->setVar( $sub, 'associate_cat.value', $category['id'] );
+ $content = $indent.'- '.$category['name'];
+ $vtp->setVar( $sub, 'associate_cat.content', $content );
+ $vtp->closeSession( $sub, 'associate_cat' );
+ display_categories( $category['subcats'], $indent.str_repeat('&nbsp;',3) );
+ }
+}
?> \ No newline at end of file