fix: get custom field name from model

#31

yatracker/tracker/base.py

@@ -18,6 +18,7 @@
     from .client import BaseClient
 
 T = TypeVar("T")
+B = TypeVar("B", bound=Base)
 
 logger = logging.getLogger(__name__)
 
@@ -70,12 +71,16 @@ def _decode(self, type_: type[T], data: bytes) -> T:
     def _prepare_payload(
         payload: dict[str, Any],
         exclude: Collection[str] | None = None,
+        type_: type[B] | None = None,
     ) -> dict[str, Any]:
         """Remove empty fields from payload."""
         payload = payload.copy()
         exclude = exclude or []
         kwargs = payload.pop("kwargs", None)
+
         if kwargs:
+            if type_ is not None:
+                kwargs = _replace_custom_fields(kwargs, type_)
             payload.update(kwargs)
 
         return {
@@ -135,3 +140,14 @@ def _convert_value(obj: Any) -> Any:  # noqa: ANN401
             return {k: _convert_value(v) for k, v in obj.items()}
         case _:
             return obj
+
+
+def _replace_custom_fields(kwargs: dict[str, Any], type_: type[B]) -> dict[str, Any]:
+    """Replace kwarg key with original field name."""
+    new_kwargs: dict[str, Any] = {}
+    for key, value in kwargs.items():
+        if not hasattr(type_, key):
+            continue
+        field = getattr(type_, key)
+        new_kwargs[field.name] = value
+    return new_kwargs

yatracker/tracker/categories/issues.py

@@ -95,7 +95,7 @@ async def edit_issue(
             method="PATCH",
             uri=f"/issues/{issue_id}",
             params={"version": str(version)} if version else None,
-            payload=self._prepare_payload(kwargs),
+            payload=self._prepare_payload(kwargs, type_=_type),
         )
         return self._decode(_type, data)
 
@@ -161,7 +161,7 @@ async def create_issue(
         Source:
         https://cloud.yandex.ru/docs/tracker/concepts/issues/create-issue
         """
-        payload = self._prepare_payload(locals())
+        payload = self._prepare_payload(locals(), type_=_type)
         data = await self._client.request(
             method="POST",
             uri="/issues/",
@@ -262,7 +262,7 @@ async def move_issue(
             method="POST",
             uri=f"/issues/{issue_id}/_move",
             params=params,
-            payload=self._prepare_payload(kwargs),
+            payload=self._prepare_payload(kwargs, type_=_type),
         )
         return self._decode(_type, data)
 
@@ -330,7 +330,11 @@ async def find_issues(
         If there are more than 10,000 issues in the response, use paging.
         :return:
         """
-        payload = self._prepare_payload(locals(), exclude=["expand", "order"])
+        payload = self._prepare_payload(
+            locals(),
+            exclude=["expand", "order"],
+            type_=_type,
+        )
 
         params = {}
         if order: