- First draft of current WIP

src/Common/Sql.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace Ulmus\Common;
+
+abstract class Sql {
+
+    public static function function($name, ...$arguments)
+    {
+        return new class($name, ...$arguments) {
+
+            protected string $as = "";
+
+            protected string $name;
+
+            protected array $arguments;
+
+            public function __construct(string $name, ...$arguments) {
+                $this->name = $name;
+                $this->arguments = $arguments;
+                $this->parseArguments();
+            }
+
+            public function __toString() {
+                return implode(' ', array_filter([
+                    "{$this->name}(" . implode(", ", $this->arguments) . ")",
+                    $this->as ? "AS {$this->as}" : false,
+                ]));
+            }
+
+            public function as($fieldName) {
+                $this->as = $fieldName;
+                return $this;
+            }
+
+            protected function parseArguments() {
+                foreach($this->arguments as &$item) {
+                    $item = Sql::escape($item);
+                }
+            }
+        };
+    }
+
+    public static function escape($value)
+    {
+        switch(true) {
+            case is_object($value):
+                # @TODO Make sure the object is a Field
+                return (string) $value;
+            break;
+
+            case is_string($value):
+                $value = "\"$value\"";
+            break;
+
+            case is_null($value):
+                $value = "NULL";
+            break;
+        }
+
+        return $value;
+    }
+
+    public static function parameter($value) : string
+    {
+        
+    }
+}