feat: cards, attributes and modules

schemas/attribute.py

@@ -0,0 +1,43 @@
+import pickle
+from datetime import datetime, date
+from typing import Optional
+
+from pydantic import field_validator
+
+from schemas.base import BaseSchema
+
+
+# region Entities
+
+class AttributeTypeSchema(BaseSchema):
+    id: int
+    type: str
+    name: str
+    is_deleted: bool
+
+
+class AttributeSchema(BaseSchema):
+    id: int
+    label: str
+    name: str
+    is_applicable_to_group: bool
+    is_nullable: bool
+    default_value: Optional[bool | int | float | str | date | datetime]
+    type: AttributeTypeSchema
+
+    @field_validator("default_value", mode="before")
+    def validate_default_value(cls, value: Optional[bytes]):
+        return pickle.loads(value) if value else None
+
+
+class CardAttributeSchema(BaseSchema):
+    value: Optional[bool | int | float | str | date | datetime]
+    card_id: int
+    attribute: AttributeSchema
+
+    @field_validator("value", mode="before")
+    def validate_value(cls, value: Optional[bytes]):
+        return pickle.loads(value) if value else None
+
+
+# endregion