Add backed enum support and typed arrays

index.php

@@ -32,16 +32,23 @@ $ticket->start = 1471111;
 $ticket->end = 1474567;
 $ticket->user = $user;
 $ticket->grant = $grant;
+$ticket->groups[] = new User();
+$ticket->groups[0]->id = 'baaaa';
+$ticket->groups[0]->cert = 'Cat';
+
+
 
 $database->save($service);
 $database->save($user);
 $database->save($grant);
 $database->save($ticket);
+$database->save($ticket->groups[0]);
+
 
 echo('<b>Start Time in microseconds: </b>' . microtime(true) . '<br><hr /><br>');
 echo('<b>Serialize Ticket with Nesting on</b><br><code>');
-echo($ticket->Serialize(true));
-echo('</code><br><br><b>Deserialize Ticket with Nesting on (vardump)</b><br><code><');
+echo($ticket->Serialize(true, false, $database));
+echo('</code><br><br><b>Deserialize Ticket with Nesting on (vardump)</b><br><code>');
 echo(var_dump(Ticket::Deserialize($ticket->Serialize(true), true)));
 echo('</code><br><br><b>Re-Serialize Deserialized Ticket with Nesting on</b><br><code>');
 echo(Ticket::Deserialize($ticket->Serialize(true), true))->Serialize(true);
@@ -49,8 +56,8 @@ echo('</code><br><hr /><br><b>End Time in microseconds: </b>' . microtime(true))
 
 echo('<br><hr><hr><br><b>Start Time in microseconds: </b>' . microtime(true) . '<br><hr /><br>');
 echo('<b>Serialize Ticket with Nesting off</b><br><code>');
-echo($ticket->Serialize(false));
-echo('</code><br><br><b>Deserialize Ticket with Nesting off (vardump)</b><br><code><');
+echo($ticket->Serialize(false, false, $database));
+echo('</code><br><br><b>Deserialize Ticket with Nesting off (vardump)</b><br><code>');
 echo(var_dump(Ticket::Deserialize($ticket->Serialize(false), false, $database)));
 echo('</code><br><br><b>Re-Serialize Deserialized Ticket with Nesting off</b><br><code>');
 echo(Ticket::Deserialize($ticket->Serialize(false), false, $database))->Serialize(false);

src/SeriousJSON/ExampleEntity/Ticket.php

@@ -7,4 +7,8 @@ class Ticket extends BaseEntity {
     public User $user;
     public int $start;
     public int $end;
+    /**
+     * @type SeriousJSON\ExampleEntity\User
+     */
+    public array $groups = [];
 }

src/SeriousJSON/JsonDatabase.php

@@ -34,7 +34,7 @@ class JsonDatabase implements IJsonUnflattener
             throw new \Exception('JsonDatabase: Unable to create Directory for Path ' . $dirPath . '.');
     }
 
-    private static function SanitizeIdentifier($identifier)
+    public static function SanitizeIdentifier($identifier)
     {
         return trim(preg_replace( '/[^a-zA-Z0-9 ()\-\[\]]+/', '-', strtolower($identifier)));
     }
@@ -100,7 +100,7 @@ class JsonDatabase implements IJsonUnflattener
             return false;
         
         $class = trim($class);
-        
+
         if (!$this->audit && $timestamp != null)
             return false;
         
@@ -302,6 +302,40 @@ class JsonDatabase implements IJsonUnflattener
         return $this->delete(get_class($obj), $obj->flatIdentifier());
     }
 
+    /**
+     * List all objects by class
+     * @param string name of class to search for
+     * @return array of identifiers or empty array
+     */ 
+    public function listAll(string $className, int $time = null): array
+    {
+        if ($className == null)
+            return [];
+        
+        $objStoragePath = $this->getObjectPath($className, '-star-', $time);
+        // Replace -star- with catchall * so that it becomes path/to/*.json
+        // TODO: Do this better
+        $objStoragePath = str_replace('-star-', '*', $objStoragePath);
+
+        if (strlen($objStoragePath) > PHP_MAXPATHLEN)
+            return [];
+
+        $files = glob($objStoragePath);
+
+        // Call the function is_file on every element
+        // and filter those that aren't files aka directories out
+        $files = array_filter($files, 'is_file');
+
+        array_walk($files, function (&$value, $key) {
+            // Remove .json
+            $value = basename($value, JsonDatabase::$EXTENSION);
+            // Remove invalid chars
+            $value = JsonDatabase::SanitizeIdentifier($value);
+        });
+
+        return $files;
+    }
+
     /**
      * Restore a JsonSerializable from the Database by using it's Identifier reference.
      * @param string $className the full class name with domain of the JsonSerializable property

src/SeriousJSON/JsonSerializable.php

@@ -37,6 +37,32 @@ abstract class JsonSerializable
         return (new \ReflectionClass($typeName))->isSubclassOf(JsonSerializable::class);
     }
 
+    /**
+     * Check if a given property extends BackedEnum
+     * @param string $property Property we should check against
+     * @return bool returns true if type/class of property extends BackedEnum
+     */
+    private static function isPropertyBackedEnum(\ReflectionProperty $property)
+    {
+        if (!isset($property) || $property === null || !$property->hasType())
+            return false;
+        
+        // Get builtin type or class of given property
+        $type = $property->getType();
+
+        // A built-in type is any type that is not a class, interface, or trait.
+        // Assume false on simple types, we can only check this on classes
+        if ($type->isBuiltin())
+            return false;
+        
+        // String name of property type/class
+        $typeName = $type->getName();
+
+        // Create an reflection instance of the found class name
+        // and check if it is a subclass of parent class
+        return (new \ReflectionClass($typeName))->isSubclassOf(\BackedEnum::class);
+    }
+
     /**
      * Check if is strongly typed array of type JsonSerializable and return the type
      * @param string $property Property we should check against
@@ -241,7 +267,11 @@ abstract class JsonSerializable
             else
             {
                 try {
-                    $classInstance->{$key} = $value;
+                    // Try to handle backed enums, call method "from" on enum class
+                    if (self::isPropertyBackedEnum($property))
+                        $classInstance->{$key} = call_user_func(array($property->getType()->getName(), 'from'), $value);
+                    else
+                        $classInstance->{$key} = $value;
                 }
                 catch (\TypeError $e) {
                     // Assignment might fail due to incompatible data types or other reasons