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-rw-r--r--include/ws_functions.inc.php53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/ws_functions.inc.php b/include/ws_functions.inc.php
index 61310265b..e4eddd18e 100644
--- a/include/ws_functions.inc.php
+++ b/include/ws_functions.inc.php
@@ -27,6 +27,47 @@
/**** IMPLEMENTATION OF WEB SERVICE METHODS ***********************************/
/**
+ * ws_add_controls
+ * returns additionnal controls if requested
+ * usable for 99% of Web Service methods
+ *
+ * - Args
+ * $params: is where clauses
+ * $img_tbl: indicates if phpwebgallery_images is selected
+ * $partner: is the key
+ * $tbl_name: is the alias_name in the query (sometimes called correlation name)
+ * - Logic
+ * Access_control is not active: Return
+ * Key is incorrect: Return 0 = 1 (False condition for MySQL)
+ * One of Params doesn't match with type of request: return 0 = 1 again
+ * Access list(id/cat/tag) is converted in expended image-id list
+ * image-id list: converted to an in-where-clause
+ *
+ * The additionnal in-where-clause is return
+ */
+function ws_add_controls( $params, $img_tbl=false, $partner='', $tbl_name='' )
+{
+ global $conf;
+ if ( !$conf['ws_access_control'] )
+ {
+ return ' 1 = 1 '; // No controls are requested
+ }
+ // Step 1 - Found Partner
+ $query = '
+SELECT FROM '.WEB_SERVICES_ACCESS_TABLE."
+ WHERE `name` = '$partner';";
+$result = pwg_query($query);
+ if ( mysql_num_rows( pwg_query($query) ) = 0 )
+ {
+ return ' 0 = 1 '; // Unknown partner
+ }
+ // Step 2 - Clauses / Request matching
+ // Restrict Request has to be redefined first
+ // Step 3 - Target restrict
+ return $addings;
+}
+
+/**
* returns a "standard" (for our web service) array of sql where clauses that
* filters the images (images table only)
*/
@@ -77,6 +118,13 @@ function ws_std_image_sql_filter( $params, $tbl_name='' )
{
$clauses[] = $tbl_name.'tn_ext IS NOT NULL';
}
+ // Squared picture to show to rvelices how to solve that kind of request
+ if ( $params['f_square_ratio'] )
+ {
+ $clauses[] = $tbl_name.'width/'.$tbl_name.'height BETWEEN '
+ . $params['f_square_ratio'] . ' AND '
+ . (2 - $params['f_square_ratio']) ;
+ }
return $clauses;
}
@@ -200,6 +248,11 @@ SELECT id, name, image_order
$where_clauses[] = 'category_id IN ('
.implode(',', array_keys($cats) )
.')';
+
+// example of ws_add_controls call
+// $where_clause[] =
+// ws_add_controls call( $params, true, $partner, $tbl_name='i.' );
+
$order_by = ws_std_image_sql_order($params, 'i.');
if (empty($order_by))
{// TODO check for category order by (image_order)