diff --git a/model/__init__.py b/model/__init__.py
new file mode 100644
index 0000000..5e9673e
--- /dev/null
+++ b/model/__init__.py
@@ -0,0 +1,6 @@
+from .robot import Robot
+from .product import Product
+from .inventory import InventoryRecord
+from .user import User
+
+__all__ = ['Robot', 'Product', 'InventoryRecord', 'User']
\ No newline at end of file
diff --git a/model/inventory.py b/model/inventory.py
new file mode 100644
index 0000000..dc7820d
--- /dev/null
+++ b/model/inventory.py
@@ -0,0 +1,14 @@
+from dataclasses import dataclass
+from datetime import datetime
+@dataclass
+class InventoryRecord:
+    id: int
+    robot_id: str
+    product_id: str
+    quantity: int
+    zone: str
+    row_number: int
+    shelf_number: int
+    status: str
+    scanned_at: datetime
+    created_at: datetime
\ No newline at end of file
diff --git a/model/product.py b/model/product.py
new file mode 100644
index 0000000..8afdd95
--- /dev/null
+++ b/model/product.py
@@ -0,0 +1,9 @@
+from dataclasses import dataclass
+
+@dataclass
+class Product:
+    id: str
+    name: str
+    category: str
+    min_stock: int
+    optimal_stock: int
\ No newline at end of file
diff --git a/model/robot.py b/model/robot.py
new file mode 100644
index 0000000..fd3847e
--- /dev/null
+++ b/model/robot.py
@@ -0,0 +1,13 @@
+from dataclasses import dataclass
+from datetime import datetime
+from typing import Optional
+
+@dataclass
+class Robot:
+    id: str
+    status: str
+    battery_level: int
+    last_update: datetime
+    current_zone: Optional[str] = None
+    current_row: Optional[int] = None
+    current_shelf: Optional[int] = None
\ No newline at end of file
diff --git a/model/user.py b/model/user.py
index 03d51fa..6dc216c 100644
--- a/model/user.py
+++ b/model/user.py
@@ -1,13 +1,16 @@
 from dataclasses import dataclass
-import json
+from datetime import datetime
 from utils.token import generateKey
 
+
 @dataclass
 class User:
     id: int
+    email: str
+    password_hash: str
     name: str
     role: str
-    token: str
+    created_at: datetime
 
     def __init__(self, email: str, passwd: str):
         #us = getUsModel() #возвращает словарь
@@ -18,3 +21,12 @@ class User:
 
     def toJson(self):
         return {"user": {"id": self.id, "name": self.name, "role": self.role}, "token": self.token}
+
+    def is_admin(self) -> bool:
+        return self.role == 'admin'
+
+    def is_operator(self) -> bool:
+        return self.role == 'operator'
+
+    def is_viewer(self) -> bool:
+        return self.role == 'viewer'