1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/ipl/orm/src/Common/SortUtil.php b/vendor/ipl/orm/src/Common/SortUtil.php
new file mode 100644
index 0000000..a14ea2b
--- /dev/null
+++ b/vendor/ipl/orm/src/Common/SortUtil.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace ipl\Orm\Common;
+
+use ipl\Stdlib\Str;
+
+class SortUtil
+{
+    /**
+     * Create the sort column(s) and direction(s) from the given sort spec
+     *
+     * @param array|string $sort
+     *
+     * @return array<int, mixed> Sort column(s) and direction(s) suitable for {@link OrderByInterface::orderBy()}
+     */
+    public static function createOrderBy($sort): array
+    {
+        $columnsAndDirections = static::explodeSortSpec($sort);
+        $orderBy = [];
+
+        foreach ($columnsAndDirections as $columnAndDirection) {
+            list($column, $direction) = static::splitColumnAndDirection($columnAndDirection);
+
+            $orderBy[] = [$column, $direction];
+        }
+
+        return $orderBy;
+    }
+
+    /**
+     * Explode the given sort spec into its sort parts
+     *
+     * @param array|string $sort
+     *
+     * @return array
+     */
+    public static function explodeSortSpec($sort)
+    {
+        return Str::trimSplit(implode(',', (array) $sort));
+    }
+
+    /**
+     * Normalize the given sort spec to a sort string
+     *
+     * @param array|string $sort
+     *
+     * @return string
+     */
+    public static function normalizeSortSpec($sort)
+    {
+        return implode(',', static::explodeSortSpec($sort));
+    }
+
+    /**
+     * Explode the given sort part into its sort column and direction
+     *
+     * @param string $sort
+     *
+     * @return array
+     */
+    public static function splitColumnAndDirection($sort)
+    {
+        return Str::symmetricSplit($sort, ' ', 2);
+    }
+}