[rewrite] Implemented login and register

backend/app/schemas/user_schemas.py

@@ -1,13 +1,24 @@
-from sqlmodel import Field as SqlModelField, SQLModel
-from pydantic import EmailStr, Field
+import re
+from pydantic import EmailStr, model_validator
+from sqlmodel import Field, SQLModel
 
 
 class UserRegister(SQLModel):
-    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}$')
-    password: str = Field(..., min_length=6, max_length=128)
-    shop_id: int = 0
+    username: str = Field(min_length=3, max_length=64)
+    email: EmailStr = Field()
+    phone_number: str = Field(min_length=2, max_length=16, schema_extra={"pattern": r'^\+[1-9]\d{1,14}$'})
+    password: str = Field(min_length=8, max_length=128,
+                          description="Password must be at least 8 and at most 128 characters long, contain a lower case, upper case letter, a number and a special character (#?!@$ %^&*-)")
+
+    @model_validator(mode="after")
+    def validate_using_regex(self):
+        self.__validate_password()
+        return self
+
+    def __validate_password(self):
+        password_regex = r"^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$ %^&*-]).{8,128}$"
+        if not re.match(password_regex, self.password):
+            raise ValueError("Password is too weak")
 
 
 class Token(SQLModel):