Model for the LMSGroupSet table

lms/models/__init__.py

@@ -19,6 +19,7 @@
 from lms.models.grading_info import GradingInfo
 from lms.models.grading_sync import GradingSync, GradingSyncGrade
 from lms.models.group_info import GroupInfo
+from lms.models.group_set import LMSGroupSet
 from lms.models.grouping import (
     BlackboardGroup,
     CanvasGroup,

lms/models/group_set.py

@@ -0,0 +1,36 @@
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from lms.db import Base
+from lms.models._mixins import CreatedUpdatedMixin
+
+if TYPE_CHECKING:
+    from lms.models import LMSCourse
+
+
+class LMSGroupSet(CreatedUpdatedMixin, Base):
+    """Group sets are different ways to divide a course's roster into groups.
+
+    Segments that represent groups belong to one group set.
+
+    Some LMS call this concept a "Group category" instead.
+    """
+
+    __tablename__ = "lms_group_set"
+
+    __table_args__ = (UniqueConstraint("lms_course_id", "lms_id"),)
+
+    id: Mapped[int] = mapped_column(autoincrement=True, primary_key=True)
+
+    lms_id: Mapped[str] = mapped_column(index=True)
+    """ID of this group set in the LMS"""
+
+    name: Mapped[str] = mapped_column()
+    """Name of this group set in the LMS"""
+
+    lms_course_id: Mapped[int] = mapped_column(ForeignKey("lms_course.id"))
+    """ID of the course this group set belongs to"""
+
+    lms_course: Mapped["LMSCourse"] = relationship("LMSCourse")