[rewrite] Work on user registration, slightly polished schemas structure

backend/app/schemas/user_register_schema.py

@@ -1,13 +0,0 @@
-from typing import Optional
-from pydantic import BaseModel, EmailStr, Field
-
-
-class UserRegisterSchema(BaseModel):
-    username: str = Field(..., min_length=3, max_length=64)
-    email: EmailStr = Field(...)
-    phone_number: str = Field(..., min_length=10, max_length=15, pattern=r'^\+[0-9]{1,3} [0-9]{1,9}$')
-    password: str = Field(..., min_length=6, max_length=128)
-    shop_id: Optional[int] = None
-
-    class Config:
-        orm_mode = True

backend/app/schemas/user_schemas.py

@@ -0,0 +1,17 @@
+from pydantic import BaseModel, EmailStr, Field
+
+
+class UserRegisterSchema(BaseModel):
+    username: str = Field(..., min_length=3, max_length=64)
+    email: EmailStr = Field(...)
+    phone_number: str = Field(..., min_length=2, max_length=16, pattern=r'^\+[1-9]\d{1,14}$')
+    password: str = Field(..., min_length=6, max_length=128)
+    shop_id: int = 0
+
+    class Config:
+        orm_mode = True
+
+class UserLoginSchema(BaseModel):
+    shop_id: int = 0
+    username: str = Field(..., min_length=3, max_length=64)
+    password: str = Field(..., min_length=6, max_length=128)