fix: treat remote work as employment activation

backend/employees/services/secret_skills.py

@@ -19,6 +19,7 @@ from employees.constants import (
     ACTION_ON_SICK_LEAVE,
     ACTION_REHIRED,
     ACTION_REMOTE,
+    ACTION_WORKING,
 )
 from employees.models import Employee, EmployeeAction, EmployeeSkillProgress, Skill
 from employees.services.skill_progress import SKILL_RANKS, rarity_payload
@@ -466,27 +467,33 @@ def _employment_period(
     actions: list[EmployeeAction],
     reference_date: date,
 ) -> tuple[date, date] | None:
-    activation_dates = [
-        action_date
-        for action in actions
-        if action.action in {ACTION_HIRED, ACTION_REHIRED}
-        and (action_date := _action_date(action)) is not None
-        and action_date <= reference_date
-    ]
     created_date = timezone.localtime(employee.created_at).date()
-    start_date = max(activation_dates) if activation_dates else created_date
-    if start_date > reference_date:
-        return None
+    segment_start = created_date
+    segment_end: date | None = None
+    is_employed = True
+    for action in actions:
+        action_date = _action_date(action)
+        if action_date is None or action_date > reference_date:
+            continue
+        if action.action in {ACTION_HIRED, ACTION_REHIRED}:
+            segment_start = action_date
+            segment_end = None
+            is_employed = True
+        elif action.action in {ACTION_REMOTE, ACTION_WORKING}:
+            if not is_employed:
+                segment_start = action_date
+                segment_end = None
+            is_employed = True
+        elif action.action == ACTION_DISMISSED and is_employed:
+            segment_end = action_date
+            is_employed = False
 
-    dismissal_dates = [
-        action_date
-        for action in actions
-        if action.action == ACTION_DISMISSED
-        and (action_date := _action_date(action)) is not None
-        and start_date <= action_date <= reference_date
-    ]
-    end_date = min(dismissal_dates) if dismissal_dates else reference_date
-    return start_date, end_date
+    if segment_start > reference_date:
+        return None
+    return (
+        segment_start,
+        reference_date if is_employed else segment_end or reference_date,
+    )
 
 
 def _action_period(

backend/tests/employees/test_secret_skills.py

@@ -6,6 +6,7 @@ from django.utils import timezone
 
 from attendance.models import AttendanceAnalysisRun, AttendanceRecord
 from employees.constants import (
+    ACTION_DISMISSED,
     ACTION_HIRED,
     ACTION_ON_DAY_OFF,
     ACTION_ON_SICK_LEAVE,
@@ -327,6 +328,40 @@ def test_reliability_uses_only_personnel_events_and_recovers_rank(user_factory):
     assert progress.progress_data["penalty_levels"] == 0
 
 
+def test_remote_reactivates_employment_without_resetting_active_period(user_factory):
+    employee = user_factory()
+    start = date(2025, 1, 1)
+    _action(employee, ACTION_HIRED, start)
+    _action(employee, ACTION_REMOTE, start + timedelta(days=30))
+
+    with patch(
+        "employees.services.secret_skills.timezone.localdate",
+        return_value=start + timedelta(days=59),
+    ):
+        recalculate_attendance_secret_skills(employee.id)
+
+    skill = Skill.objects.get(system_code="attendance_reliability")
+    progress = EmployeeSkillProgress.objects.get(employee=employee, skill=skill)
+    assert progress.special_rank == "bronze"
+    assert progress.progress_data["worked_days"] == 60
+
+    _action(employee, ACTION_DISMISSED, start + timedelta(days=60))
+    _action(employee, ACTION_REMOTE, start + timedelta(days=70))
+    with patch(
+        "employees.services.secret_skills.timezone.localdate",
+        return_value=start + timedelta(days=129),
+    ):
+        recalculate_attendance_secret_skills(employee.id)
+
+    progress.refresh_from_db()
+    assert progress.special_rank == "bronze"
+    assert progress.progress_data["worked_days"] == 60
+    assert (
+        progress.progress_data["last_evaluated_date"]
+        == (start + timedelta(days=129)).isoformat()
+    )
+
+
 def test_resilience_counts_sick_episodes_and_recovers_rank(user_factory):
     employee = user_factory()
     start = date(2024, 1, 1)