Convert object/database naming conventions.

Adhere to PSR-12 by converting object properties to "lowerCamelCase" for objects
and "snake_case" for database interactions.

Backward compatibility is maintained: object properties already using
"snake_case" will continue to work without issue.

src/Libs/Model.php

@@ -139,9 +139,9 @@ class Model
 
             throw new Exception(
                 "\nError at query to database.\n" .
-                "Query: $query\n" .
-                "Vars: $vars\n" .
-                "Error:\n" . $e->getMessage()
+                    "Query: $query\n" .
+                    "Vars: $vars\n" .
+                    "Error:\n" . $e->getMessage()
             );
         }
 
@@ -256,14 +256,20 @@ class Model
         $instance      = new $class();
         $reflection    = new ReflectionClass($instance);
         $properties    = $reflection->getProperties();
-        $propertyNames = array_column($properties, 'name');
+        $propertyNames = array_map(function ($property) {
+            return static::camelCaseToSnakeCase($property->name);
+        }, $properties);
 
         foreach ($elem as $key => $value) {
             $index = array_search($key, $propertyNames);
-            if (is_numeric($index) && enum_exists($properties[$index]->getType()->getName())) {
-                $instance->$key = $properties[$index]->getType()->getName()::tryfrom($value);
+            if (is_numeric($index)) {
+                if (enum_exists($properties[$index]->getType()->getName())) {
+                    $instance->{$properties[$index]->name} = $properties[$index]->getType()->getName()::tryfrom($value);
+                } else {
+                    $instance->{$properties[$index]->name} =  $value;
+                }
             } else {
-                $instance->$key = $value;
+                $instance->{static::snakeCaseToCamelCase($key)} = $value;
             }
         }
 
@@ -286,17 +292,15 @@ class Model
         $result     = [];
 
         foreach ($properties as $property) {
-            $result[$property->name] = isset($this->{$property->name})
-                          ? $this->{$property->name} : null;
-        }
-
-        foreach (static::$ignoreSave as $del) {
-            unset($result[$del]);
+            if (!in_array($property->name, static::$ignoreSave)) {
+                $result[$this->camelCaseToSnakeCase($property->name)] = isset($this->{$property->name})
+                    ? $this->{$property->name} : null;
+            }
         }
 
         foreach (static::$forceSave as $value) {
             $result[$value] = isset($this->$value)
-                            ? $this->$value : null;
+                ? $this->$value : null;
         }
 
         foreach ($result as $i => $property) {
@@ -305,10 +309,12 @@ class Model
             }
 
             if ($property instanceof \UnitEnum) {
-                $result[$i] = $property->value;
+                $result[$i] = $property->value ?? $property->name;
             }
         }
 
+        print_r($result);
+
         return $result;
     }
 
@@ -316,7 +322,7 @@ class Model
      * Devuelve el nombre de la clase actual aunque sea una clase extendida.
      *
      * @return string
-     *                Devuelve el nombre de la clase actual.
+     *
      */
     public static function className(): string
     {
@@ -339,13 +345,39 @@ class Model
             return static::$table;
         }
 
+        return static::camelCaseToSnakeCase(static::className()) . static::$tableSufix;
+    }
+
+    /**
+     * Convierte de lowerCamelCase a snake_case
+     *
+     * @param string $string
+     *
+     * @return string
+     */
+    protected static function camelCaseToSnakeCase(string $string): string
+    {
         return strtolower(
             preg_replace(
                 '/(?<!^)[A-Z]/',
                 '_$0',
-                static::className()
+                $string
             )
-        ) . static::$tableSufix;
+        );
+    }
+
+    /**
+     * Convierte de snake_case a lowerCamelCase
+     *
+     * @param string $string
+     *
+     * @return string
+     */
+    protected static function snakeCaseToCamelCase(string $string): string
+    {
+        return preg_replace_callback('/_([a-z])/', function ($matches) {
+            return strtoupper($matches[1]);
+        }, $string);
     }
 
     /**