- WIP on insert/update statement

src/Query/Values.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Ulmus\Query;
+
+class Values extends Fragment {
+
+    public int $order = 0;
+    
+    public array $rows;
+    
+    public QueryBuilder $queryBuilder;
+
+    public function __construct(QueryBuilder $queryBuilder)
+    {
+        $this->queryBuilder = $queryBuilder;
+    }
+    
+    public function add(array $row) : self
+    {
+        $this->rows[] = $row;
+        
+        return $this;
+    }
+
+    public function render() : string
+    {
+        $this->queryBuilder->addParameter($this->flattenRowsArray());
+                    
+        return $this->renderSegments([
+            'VALUES', '(' . $this->renderParameterPlaceholders() . ')',
+        ]);
+    }
+    
+    public function renderParameterPlaceholders() : string 
+    {
+        $return = [];
+        $count = null;
+        
+        foreach($this->rows as $row) {
+            if ($count === null) {
+                $count = count($row);
+            }
+            else {
+                if (count($row) !== $count) {
+                    throw new \Exception("Insert statement must contains the same number of values for each rows.");
+                }
+            }
+            
+            $return[] = implode(',', array_fill(0, $this->parameterCount, '?'));
+        }
+        
+        return "(" . implode('),(', $return) . ")";
+    }
+    
+    public function flattenRowsArray() : array
+    {
+        return iterator_to_array(new RecursiveIteratorIterator(new RecursiveArrayIterator($this->rows)));
+    }
+}