From 02844629ac1bdc1080a9f632df7234e29de5a4d2 Mon Sep 17 00:00:00 2001
From: atopilski <atopilski@gmail.com>
Date: Wed, 20 Jan 2021 10:36:22 -0500
Subject: [PATCH] Maker

---
 pyfastogt/maker.py | 52 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 pyfastogt/maker.py

diff --git a/pyfastogt/maker.py b/pyfastogt/maker.py
new file mode 100644
index 0000000..fec5567
--- /dev/null
+++ b/pyfastogt/maker.py
@@ -0,0 +1,52 @@
+class Maker:
+    @classmethod
+    def make_entry(cls, json: dict):
+        cl = cls()
+        cl.update_entry(json)
+        return cl
+
+    def update_entry(self, json: dict):
+        if json is None:
+            raise ValueError('Invalid input')
+
+    @staticmethod
+    def check_required_type(field: str, expected, json: dict):
+        if json is None:
+            raise ValueError('Invalid input')
+
+        value_field = json.get(field, None)
+        if value_field is None:
+            raise ValueError('Invalid input({0} required)'.format(field))
+
+        actual = type(value_field)
+        if not Maker._check_is_same_types(actual, expected):
+            raise ValueError('Invalid input field({0}) actual type: {1}, expected: {2}'.format(field, actual, expected))
+
+        return True, value_field
+
+    @staticmethod
+    def check_optional_type(field: str, expected, json: dict):
+        if json is None:
+            raise ValueError('Invalid input')
+
+        value_field = json.get(field, None)
+        if value_field is not None:  # optional field
+            actual = type(value_field)
+            if not Maker._check_is_same_types(actual, expected):
+                raise ValueError(
+                    'Invalid input field({0}) actual type: {1}, expected: {2}'.format(field, actual, expected))
+
+            return True, value_field
+
+        return False, None
+
+    @staticmethod
+    def _check_is_same_types(actual, expected) -> bool:
+        if actual is expected:
+            return True
+
+        if (int == actual or int == expected) and (float == actual or float == expected):
+            return True
+
+        return False
+