chore(login): schema validation improvements

solution/api/v1/business/schemas.py

@@ -1,8 +1,9 @@
+import re
 import uuid
 from typing import ClassVar
 
 from ninja import ModelSchema, Schema
-from pydantic import EmailStr
+from pydantic import EmailStr, field_validator
 
 from apps.business.models import Business
 
@@ -23,14 +24,21 @@ class BusinessSignUpOut(Schema):
     company_id: uuid.UUID
 
 
-class BusinessSignInIn(ModelSchema):
+class BusinessSignInIn(Schema):
     email: EmailStr
+    password: str
 
-    class Meta:
-        model = Business
-        fields: ClassVar[list[str]] = [
-            Business.password.field.name,
-        ]
+    @field_validator("password")
+    def validate_password(cls, value: str) -> str:  # noqa: N805
+        pattern = r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,60}$"  # noqa: E501
+        if not re.match(pattern, value):
+            e = (
+                "Password must contain at least 8 characters, one uppercase "
+                "letter, one lowercase letter, one number, and one special "
+                "character (@$!%*?&)."
+            )
+            raise ValueError(e)
+        return value
 
 
 class BusinessSignInOut(Schema):