add abandoned status to distinguish given-up habits from completed ones

Completed and abandoned habits were both lumped under a single terminal
state, making it impossible to tell "finished successfully" apart from
"gave up" when reviewing habit history.

app/models/habit.py

@@ -18,6 +18,7 @@ class HabitType(str, enum.Enum):
 class HabitStatus(str, enum.Enum):
     ACTIVE = "active"
     COMPLETED = "completed"
+    ABANDONED = "abandoned"
 
 
 class Habit(Base):
@@ -38,6 +39,7 @@ class Habit(Base):
     sort_order: Mapped[int | None] = mapped_column(Integer, nullable=True)
     created_at: Mapped[datetime] = mapped_column(server_default=func.now(), nullable=False)
     completed_at: Mapped[datetime | None] = mapped_column(nullable=True)
+    abandoned_at: Mapped[datetime | None] = mapped_column(nullable=True)
 
     logs: Mapped[list["HabitLog"]] = relationship(
         back_populates="habit", cascade="all, delete-orphan", passive_deletes=True

app/routers/habits.py

@@ -69,6 +69,12 @@ def complete_habit(habit_id: int, db: Session = Depends(get_db), current_user: U
     return habit_service.complete_habit(db, habit)
 
 
+@router.post("/{habit_id}/abandon", response_model=HabitOut)
+def abandon_habit(habit_id: int, db: Session = Depends(get_db), current_user: User = Depends(require_login)):
+    habit = _get_habit_or_404(db, habit_id, current_user.id)
+    return habit_service.abandon_habit(db, habit)
+
+
 @router.post("/{habit_id}/reactivate", response_model=HabitOut)
 def reactivate_habit(habit_id: int, db: Session = Depends(get_db), current_user: User = Depends(require_login)):
     habit = _get_habit_or_404(db, habit_id, current_user.id)

app/routers/pages.py

@@ -118,6 +118,8 @@ def habits_page(request: Request, tab: str = "build", db: Session = Depends(get_
 
     if tab == "completed":
         habits = habit_service.list_habits(db, current.id, status=HabitStatus.COMPLETED)
+    elif tab == "abandoned":
+        habits = habit_service.list_habits(db, current.id, status=HabitStatus.ABANDONED)
     else:
         if tab not in ("build", "quit"):
             tab = "build"
@@ -139,6 +141,14 @@ def habits_page(request: Request, tab: str = "build", db: Session = Depends(get_
     )
 
 
+def _tab_for_habit(habit) -> str:
+    if habit.status == HabitStatus.COMPLETED:
+        return "completed"
+    if habit.status == HabitStatus.ABANDONED:
+        return "abandoned"
+    return habit.habit_type.value
+
+
 @router.post("/habits/new")
 def create_habit_page(
     request: Request,
@@ -208,7 +218,7 @@ def edit_habit_page(
         return HTMLResponse("입력값을 확인해주세요")
 
     habit_service.update_habit(db, habit, data)
-    tab = "completed" if habit.status == HabitStatus.COMPLETED else habit.habit_type.value
+    tab = _tab_for_habit(habit)
     response = Response(status_code=200)
     response.headers["HX-Redirect"] = f"/habits?tab={tab}"
     return response
@@ -230,6 +240,22 @@ def complete_habit_page(request: Request, habit_id: int, db: Session = Depends(g
     return response
 
 
+@router.post("/habits/{habit_id}/abandon")
+def abandon_habit_page(request: Request, habit_id: int, db: Session = Depends(get_db)):
+    current = _current_user_or_redirect(request, db)
+    if isinstance(current, RedirectResponse):
+        return current
+
+    habit = habit_service.get_habit(db, habit_id, current.id)
+    if habit is None:
+        return Response(status_code=404)
+    tab = habit.habit_type.value
+    habit_service.abandon_habit(db, habit)
+    response = Response(status_code=200)
+    response.headers["HX-Redirect"] = f"/habits?tab={tab}"
+    return response
+
+
 @router.post("/habits/{habit_id}/reactivate")
 def reactivate_habit_page(request: Request, habit_id: int, db: Session = Depends(get_db)):
     current = _current_user_or_redirect(request, db)
@@ -239,9 +265,10 @@ def reactivate_habit_page(request: Request, habit_id: int, db: Session = Depends
     habit = habit_service.get_habit(db, habit_id, current.id)
     if habit is None:
         return Response(status_code=404)
+    tab = _tab_for_habit(habit)
     habit_service.reactivate_habit(db, habit)
     response = Response(status_code=200)
-    response.headers["HX-Redirect"] = "/habits?tab=completed"
+    response.headers["HX-Redirect"] = f"/habits?tab={tab}"
     return response
 
 
@@ -254,7 +281,7 @@ def delete_habit_page(request: Request, habit_id: int, db: Session = Depends(get
     habit = habit_service.get_habit(db, habit_id, current.id)
     if habit is None:
         return Response(status_code=404)
-    tab = "completed" if habit.status == HabitStatus.COMPLETED else habit.habit_type.value
+    tab = _tab_for_habit(habit)
     habit_service.delete_habit(db, habit)
     response = Response(status_code=200)
     response.headers["HX-Redirect"] = f"/habits?tab={tab}"

app/schemas/habit.py

@@ -56,6 +56,7 @@ class HabitOut(BaseModel):
     reminder_time: time | None
     created_at: datetime
     completed_at: datetime | None
+    abandoned_at: datetime | None
 
 
 class HabitReorderRequest(BaseModel):

app/services/habit_service.py

@@ -79,9 +79,18 @@ def complete_habit(db: Session, habit: Habit) -> Habit:
     return habit
 
 
+def abandon_habit(db: Session, habit: Habit) -> Habit:
+    habit.status = HabitStatus.ABANDONED
+    habit.abandoned_at = datetime.now()
+    db.commit()
+    db.refresh(habit)
+    return habit
+
+
 def reactivate_habit(db: Session, habit: Habit) -> Habit:
     habit.status = HabitStatus.ACTIVE
     habit.completed_at = None
+    habit.abandoned_at = None
     db.commit()
     db.refresh(habit)
     return habit

app/templates/habits.html

@@ -8,6 +8,7 @@
   <a href="/habits?tab=build" class="{{ 'active' if tab == 'build' }}">만들고 싶은 습관</a>
   <a href="/habits?tab=quit" class="{{ 'active' if tab == 'quit' }}">멈추고 싶은 습관</a>
   <a href="/habits?tab=completed" class="{{ 'active' if tab == 'completed' }}">완료된 습관</a>
+  <a href="/habits?tab=abandoned" class="{{ 'active' if tab == 'abandoned' }}">포기한 습관</a>
 </div>
 
 {% if tab in ("build", "quit") %}
@@ -25,6 +26,7 @@
     <div class="empty-state">
       {% if tab == "build" %}만들고 싶은 습관이 아직 없어요. 위에서 추가해보세요.
       {% elif tab == "quit" %}끊고 싶은 습관이 아직 없어요. 위에서 추가해보세요.
+      {% elif tab == "abandoned" %}아직 포기한 습관이 없어요.
       {% else %}아직 완료된 습관이 없어요.{% endif %}
     </div>
   {% endif %}

app/templates/partials/habit_item.html

@@ -41,6 +41,14 @@
         hx-swap="none"
         hx-confirm="'{{ habit.name }}' 습관을 완료 처리할까요?"
       >완료 처리</button>
+      <button
+        type="button"
+        class="btn btn-secondary"
+        hx-post="/habits/{{ habit.id }}/abandon"
+        hx-target="body"
+        hx-swap="none"
+        hx-confirm="'{{ habit.name }}' 습관을 포기할까요?"
+      >포기</button>
       {% else %}
       <button
         type="button"

migrations/versions/0006_add_habit_abandoned_status.py

@@ -0,0 +1,28 @@
+"""add abandoned status to habit
+
+Revision ID: 0006_add_habit_abandoned
+Revises: 0005_add_summary_notif_log
+Create Date: 2026-07-17
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "0006_add_habit_abandoned"
+down_revision: Union[str, None] = "0005_add_summary_notif_log"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column("habit", sa.Column("abandoned_at", sa.DateTime(), nullable=True))
+    op.drop_constraint("ck_habit_status", "habit", type_="check")
+    op.create_check_constraint("ck_habit_status", "habit", "status in ('active','completed','abandoned')")
+
+
+def downgrade() -> None:
+    op.drop_constraint("ck_habit_status", "habit", type_="check")
+    op.create_check_constraint("ck_habit_status", "habit", "status in ('active','completed')")
+    op.drop_column("habit", "abandoned_at")

tests/test_api_habits.py

@@ -70,6 +70,18 @@ def test_complete_and_reactivate_habit(auth_client, db_session, test_user):
     assert reactivate_res.json()["status"] == "active"
 
 
+def test_abandon_and_reactivate_habit(auth_client, db_session, test_user):
+    habit = _make_habit(db_session, test_user.id)
+
+    abandon_res = auth_client.post(f"/api/habits/{habit.id}/abandon")
+    assert abandon_res.status_code == 200
+    assert abandon_res.json()["status"] == "abandoned"
+
+    reactivate_res = auth_client.post(f"/api/habits/{habit.id}/reactivate")
+    assert reactivate_res.status_code == 200
+    assert reactivate_res.json()["status"] == "active"
+
+
 def test_reorder_endpoint(auth_client, db_session, test_user):
     a = _make_habit(db_session, test_user.id, name="A")
     b = _make_habit(db_session, test_user.id, name="B")

tests/test_habit_service.py

@@ -86,6 +86,30 @@ def test_complete_and_reactivate_habit(db_session, test_user):
     assert reactivated.completed_at is None
 
 
+def test_abandon_and_reactivate_habit(db_session, test_user):
+    habit = _make_habit(db_session, test_user.id)
+
+    abandoned = habit_service.abandon_habit(db_session, habit)
+    assert abandoned.status == HabitStatus.ABANDONED
+    assert abandoned.abandoned_at is not None
+
+    reactivated = habit_service.reactivate_habit(db_session, habit)
+    assert reactivated.status == HabitStatus.ACTIVE
+    assert reactivated.abandoned_at is None
+
+
+def test_list_habits_filters_by_abandoned_status(db_session, test_user):
+    build = _make_habit(db_session, test_user.id, name="빌드")
+    quit_ = _make_habit(db_session, test_user.id, name="퀴트", habit_type=HabitType.QUIT)
+    habit_service.abandon_habit(db_session, quit_)
+
+    active = habit_service.list_habits(db_session, test_user.id, status=HabitStatus.ACTIVE)
+    assert [h.id for h in active] == [build.id]
+
+    abandoned = habit_service.list_habits(db_session, test_user.id, status=HabitStatus.ABANDONED)
+    assert [h.id for h in abandoned] == [quit_.id]
+
+
 def test_reorder_habits_applies_given_order(db_session, test_user):
     a = _make_habit(db_session, test_user.id, name="A")
     b = _make_habit(db_session, test_user.id, name="B")

tests/test_pages_habits.py

@@ -0,0 +1,45 @@
+from app.models.habit import ALL_WEEKDAYS_MASK, HabitStatus, HabitType
+from app.schemas.habit import HabitCreate
+from app.services import habit_service
+
+
+def _make_habit(db_session, user_id, name="테스트 습관", **overrides):
+    data = HabitCreate(
+        name=name,
+        habit_type=overrides.pop("habit_type", HabitType.BUILD),
+        weekdays_mask=overrides.pop("weekdays_mask", ALL_WEEKDAYS_MASK),
+    )
+    return habit_service.create_habit(db_session, user_id, data)
+
+
+def test_abandon_habit_page_moves_habit_to_abandoned_tab(auth_client, db_session, test_user):
+    habit = _make_habit(db_session, test_user.id, name="포기할 습관")
+
+    response = auth_client.post(f"/habits/{habit.id}/abandon")
+    assert response.status_code == 200
+    assert response.headers["hx-redirect"] == "/habits?tab=build"
+
+    db_session.refresh(habit)
+    assert habit.status == HabitStatus.ABANDONED
+
+    abandoned_tab = auth_client.get("/habits?tab=abandoned")
+    assert "포기할 습관" in abandoned_tab.text
+
+
+def test_abandon_other_users_habit_returns_404(auth_client, db_session, other_user):
+    others_habit = _make_habit(db_session, other_user.id, name="남의 습관")
+
+    response = auth_client.post(f"/habits/{others_habit.id}/abandon")
+    assert response.status_code == 404
+
+
+def test_reactivate_habit_page_redirects_to_abandoned_tab(auth_client, db_session, test_user):
+    habit = _make_habit(db_session, test_user.id, name="다시 시작할 습관")
+    habit_service.abandon_habit(db_session, habit)
+
+    response = auth_client.post(f"/habits/{habit.id}/reactivate")
+    assert response.status_code == 200
+    assert response.headers["hx-redirect"] == "/habits?tab=abandoned"
+
+    db_session.refresh(habit)
+    assert habit.status == HabitStatus.ACTIVE