Changed model to be jsonserialiazable and it's factory into repository

Added model, create and required/optional to repository

src/Alias/Model/Repository.php

@@ -47,6 +47,22 @@ abstract class Repository implements RepositoryInterface
     {
         return $this->factory;
     }
+    protected string $model;
+    public function setModel(string $model_class): RepositoryInterface
+    {
+        $this->model = $model_class;
+        return $this;
+    }
+    public function getModel(): string
+    {
+        return $this->model;
+    }
+    public function getNewModel(): Model
+    {
+        $class = $this->getModel();
+        return (new $class())
+            ->setRepository($this);
+    }
     protected string $table;
     public function setTable(string $table): RepositoryInterface
     {
@@ -74,7 +90,66 @@ abstract class Repository implements RepositoryInterface
     {
         return $this->columns;
     }
+    protected array $required;
+    public function setRequired(array $columns): RepositoryInterface
+    {
+        foreach ($columns as $item) {
+            $this->addRequired($item);
+        }
+        return $this;
+    }
+    public function addRequired(string $column): RepositoryInterface
+    {
+        $this->required []= $column;
+        return $this;
+    }
+    public function getRequired(): array
+    {
+        if (isset($this->optional) and !isset($this->required)) {
+            return array_diff($this->getColumns(), $this->getOptional());
+        }
+        return $this->required ?? $this->getColumns();
+    }
+    protected array $optional;
+    public function setOptional(array $columns): RepositoryInterface
+    {
+        foreach ($columns as $item) {
+            $this->addColumn($item);
+        }
+        return $this;
+    }
+    public function addOptional(string $column): RepositoryInterface
+    {
+        $this->optional []= $column;
+        return $this;
+    }
+    public function getOptional(): array
+    {
+        if (isset($this->required) and !isset($this->optional)) {
+            return array_diff($this->getColumns(), $this->getRequired());
+        }
+        return $this->optional ?? [];
+    }
 
+    public function fillData(Model $model, array $data): Model
+    {
+        foreach ($this->getRequired() as $column) {
+            $m = 'set' . ucwords($column);
+            $model->{$m}($data[$column]);
+        }
+        foreach ($this->getOptional() as $column) {
+            if (isset($data[$column])) {
+                $m = 'set' . ucwords($column);
+                $model->{$m}($data[$column]);
+            }
+        }
+        return $model;
+    }
+    public function load(array $data): Model
+    {
+        return $this->fillData($this->getNewModel()
+            ->setId($data['id']), $data);
+    }
     public function save(Model $model): void
     {
         if (!$model->isDirty() and !$model->isNew()) {
@@ -90,6 +165,11 @@ abstract class Repository implements RepositoryInterface
         $query = $this->getQueryBuilder()->insert($this->getTable())->columns($this->getColumns())->values($cols);
         $this->getConnection()->execute($query, $values);
     }
+    public function create(array $data): Model
+    {
+        return $this->fillData($this->getNewModel()
+            ->setNew(), $data);
+    }
     public function edit(Model $model, array $data): Model
     {
         foreach ($this->getColumns() as $col) {