Support abstract methods

Author: levkopo

src/dbpp/Database.php

@@ -7,6 +7,7 @@
 use PDO;
 use ReflectionClass;
 use ReflectionException;
+use ReflectionMethod;
 use ReflectionNamedType;
 use ReflectionProperty;
 
@@ -21,10 +22,32 @@ public final function __construct(PDO $pdo) {
                 try {
                     $class = new ReflectionClass($propertyType->getName());
                     if($class->isSubclassOf(Dao::class)){
-                        $this->{$property->getName()} = $class->newInstance($pdo);
+                        $this->{$property->getName()} = $this->createDao($pdo, $class);
                     }
                 } catch (ReflectionException) {}
             }
         }
     }
+
+    private function createDao(PDO $pdo, ReflectionClass $class): Dao {
+        $tempName = $class->name."Impl".time();
+        $abstractMethods = $class->getMethods(ReflectionMethod::IS_ABSTRACT);
+        $classDef = "class $tempName extends $class->name{";
+        foreach($abstractMethods as $method) {
+            $argsDef = [];
+            $argsDefArray = [];
+            foreach ($method->getParameters() as $parameter) {
+                $argsDef[] = ($parameter->getType() ?: "") . "$" .$parameter->name;
+                $argsDefArray[] = "\"$parameter->name\"=>\$$parameter->name";
+            }
+
+            $classDef .= "public function $method->name(".implode(",", $argsDef)."):{$method->getReturnType()}{".
+                "return \$this->__call(\"$method->name\", [".implode(",", $argsDefArray)."]);}";
+        }
+
+        $classDef .= "}";
+        eval($classDef);
+
+        return new $tempName($pdo);
+    }
 }