- Field mapper is now removed from Adapters and set into it's own object

- Added a PK to Column (IS)

src/Adapter/SqlFieldMapper.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace Ulmus\Adapter;
+
+use Ulmus\Migration\FieldDefinition;
+
+class SqlFieldMapper
+{
+    public readonly string $type;
+
+    public readonly string $length;
+
+    public function __construct(
+        public FieldDefinition $field,
+    ) {
+        $this->map();
+    }
+
+    public function map() : void
+    {
+        $type = $this->field->type;
+        $length = $this->field->length;
+        
+        if ( is_a($type, Entity\Field\Date::class, true) ) {
+            $type = "DATE";
+        }
+        elseif ( is_a($type, Entity\Field\Time::class, true) ) {
+            $type = "TIME";
+        }
+        elseif ( is_a($type, \DateTime::class, true) ) {
+            $type = "DATETIME";
+        }
+        elseif ( enum_exists($type) ) {
+            # Haven't found a better way yet to check for BackendEnum without an instance of the object
+            if ( ! method_exists($type, 'tryFrom') ) {
+                throw new \Ulmus\Exception\BackedEnumRequired(sprintf("You must define your enum as a BackedEnum instead of an UnitEnum for field '%s'.", $this->field->getColumnName()));
+            }
+
+            $type = "string";
+        }
+
+        switch($type) {
+            case "bool":
+                $this->type = "TINYINT";
+                $length = 1;
+                break;
+
+            case "array":
+            case "string":
+                if ($length && $length <= 255) {
+                    $this->type = "VARCHAR";
+                    break;
+                }
+                elseif (! $length || ( $length <= 65535 ) ) {
+                    $this->type = "TEXT";
+                }
+                elseif ( $length <= 16777215 ) {
+                    $this->type = "MEDIUMTEXT";
+                }
+                elseif ($length <= 4294967295) {
+                    $this->type = "LONGTEXT";
+                }
+                else {
+                    throw new \Exception("A column with a length bigger than 4GB cannot be created.");
+                }
+
+                # Length is unnecessary on TEXT fields
+                unset($length);
+
+                break;
+
+            case "float":
+                $this->type = "DOUBLE";
+                break;
+
+            default:
+                $this->type = strtoupper($type);
+
+                break;
+        }
+    }
+
+    public function render() : string
+    {
+        return $this->type . ( isset($this->length) ? "($this->length)" : "" );
+    }
+}