diff --git a/common/Alias/Model.php b/common/Alias/Model.php
new file mode 100644
index 0000000..9f8f579
--- /dev/null
+++ b/common/Alias/Model.php
@@ -0,0 +1,87 @@
+<?php
+namespace App\Alias;
+
+use Stringy\Stringy;
+use App\Contract\Auth;
+
+class Model extends \Model
+{
+	public function getTable()
+	{
+		return parent::_get_table_name(static::class);
+	}
+	protected function log()
+	{
+		if (strpos(get_called_class(), 'Incoviba\\common\\') !== false) {
+			return;
+		}
+		$user = Auth::User()->id;
+		$orm = $this->orm;
+		$ref = new \ReflectionObject($orm);
+		if (!$ref->hasProperty('_dirty_fields')) {
+			return;
+		}
+		$dirty = $ref->getProperty('_dirty_fields');
+		$dirty->setAccessible(true);
+		$new_values = $dirty->getValue($orm);
+		$changes = array_combine(array_keys($new_values), array_fill(0, count($new_values), ['old' => '', 'new' => '']));
+		if ($this->isNew()) {
+			$old = (object) array_combine(array_keys($new_values), array_fill(0, count($new_values), ''));
+		} else {
+			$old = model(get_called_class())->findOne($this->{$this->getId()});
+		}
+		foreach ($new_values as $column => $value) {
+			$changes[$column] = ['column' => $column, 'old' => $old->$column, 'new' => $value];
+		}
+		$action = '[' . get_called_class() . ']';
+		doLog($user, $action, $changes);
+	}
+	public function getId()
+	{
+		if (property_exists(get_called_class(), '_id_column')) {
+			return static::$_id_column;
+		}
+		return $this->id;
+	}
+	public function save()
+	{
+		$ref = new \ReflectionObject($this);
+		if ($ref->hasProperty('_timestamps')) {
+			$ref = $ref->getProperty('_timestamps');
+			$ref->setAccessible(true);
+			if ($ref->getValue()) {
+				if ($this->is_new()) {
+					$this->setExpr('created_at', 'NOW()');
+				}
+				$this->setExpr('updated_at', 'NOW()');
+			}
+		}
+		if (!\ORM::getDb()->inTransaction()) {
+			\ORM::getDb()->beginTransaction();
+		}
+		try {
+			parent::save();
+			if (\ORM::getDb()->inTransaction()) {
+				\ORM::getDb()->commit();
+			}
+		} catch (\Exception $e) {
+			if (\ORM::getDb()->inTransaction()) {
+				\ORM::getDb()->rollBack();
+			}
+			throw $e;
+		}
+		$this->log();
+	}
+	public function __call($method, $args)
+	{
+		if (!method_exists($this, $method)) {
+			$str = '' . Stringy::create($method)->underscored();
+			if (method_exists($this, $str)) {
+				return call_user_func_array([$this, $str], $args);
+			}
+			throw new \BadMethodCallException($method . ' not found in ' . get_class($this));
+		}
+		return call_user_func_array([$this, $str], $args);
+	}
+}
+?>
diff --git a/common/Alias/NewEstado.php b/common/Alias/NewEstado.php
new file mode 100644
index 0000000..4bf9089
--- /dev/null
+++ b/common/Alias/NewEstado.php
@@ -0,0 +1,20 @@
+<?php
+namespace App\Alias;
+
+use Carbon\Carbon;
+
+/**
+ * 
+ * @author Aldarien
+ * @property int id
+ * @property Date fecha
+ *
+ */
+class NewEstado extends NewModel
+{
+	public function fecha()
+	{
+		return Carbon::parse($this->fecha, config('app.timezone'));
+	}
+}
+?>
\ No newline at end of file
diff --git a/common/Alias/NewModel.php b/common/Alias/NewModel.php
new file mode 100644
index 0000000..1c513b4
--- /dev/null
+++ b/common/Alias/NewModel.php
@@ -0,0 +1,9 @@
+<?php
+namespace App\Alias;
+
+class NewModel extends Model
+{
+	protected static $_connection_name = 'mysql_copy';
+	protected static $_timestamps = true;
+}
+?>
\ No newline at end of file
diff --git a/common/Alias/NewTipo.php b/common/Alias/NewTipo.php
new file mode 100644
index 0000000..b5fa3fb
--- /dev/null
+++ b/common/Alias/NewTipo.php
@@ -0,0 +1,15 @@
+<?php
+namespace App\Alias;
+
+/**
+ * 
+ * @author Aldarien
+ * @property int id
+ * @property string descripcion
+ *
+ */
+class NewTipo extends NewModel
+{
+	protected static $_timestamps = true;
+}
+?>
\ No newline at end of file
diff --git a/common/Alias/OldModel.php b/common/Alias/OldModel.php
new file mode 100644
index 0000000..f12a3cd
--- /dev/null
+++ b/common/Alias/OldModel.php
@@ -0,0 +1,8 @@
+<?php
+namespace Incoviba\Common\Alias;
+
+class OldModel extends Model
+{
+	protected static $_connection_name = 'mysql';
+}
+?>