128 lines
4.5 KiB
Python
128 lines
4.5 KiB
Python
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# -*- coding: utf-8 -*-
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"""Service Layer – Orchestriert Business-Logik für Abwesenheiten."""
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import datetime
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from typing import Optional
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from sqlalchemy.orm import Session
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from ..core.models import Absence
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from ..core.enums import AbsenceStatus, ABSENCE_META
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from ..core.schemas import (
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AbsenceCreate, AbsenceUpdate, AbsenceRead,
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BalanceRead, BalanceAdjust, ApprovalDecision,
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)
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from .repository import AbsenceRepository, BalanceRepository
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from .rules import validate_absence, _business_days, RuleViolation
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from ..employees.repository import EmployeeRepository
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class AbsenceService:
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"""Zentrale Geschäftslogik – wird von API UND Desktop-Client genutzt."""
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def __init__(self, db: Session):
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self.db = db
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self.abs_repo = AbsenceRepository(db)
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self.bal_repo = BalanceRepository(db)
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self.emp_repo = EmployeeRepository(db)
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def create_absence(self, data: AbsenceCreate) -> Absence:
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emp = self.emp_repo.get_by_id(data.employee_id)
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if not emp:
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raise ValueError(f"Mitarbeiter {data.employee_id} nicht gefunden")
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validate_absence(self.db, data)
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bd = _business_days(data.start_date, data.end_date)
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meta = ABSENCE_META.get(data.category, {})
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absence = self.abs_repo.create(data, business_days=bd)
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if not meta.get("requires_approval"):
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absence.status = AbsenceStatus.APPROVED
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self.db.commit()
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return absence
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def update_absence(self, absence_id: str, data: AbsenceUpdate) -> Optional[Absence]:
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absence = self.abs_repo.get_by_id(absence_id)
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if not absence:
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return None
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if data.start_date or data.end_date:
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start = data.start_date or absence.start_date
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end = data.end_date or absence.end_date
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check_data = AbsenceCreate(
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employee_id=absence.employee_id,
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category=data.category or absence.category,
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start_date=start,
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end_date=end,
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reason=data.reason or absence.reason,
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)
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validate_absence(self.db, check_data, skip_rules=[])
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absence.business_days = _business_days(start, end)
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result = self.abs_repo.update(absence_id, data)
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self.db.commit()
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return result
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def delete_absence(self, absence_id: str) -> bool:
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ok = self.abs_repo.delete(absence_id)
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if ok:
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self.db.commit()
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return ok
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def approve(self, decision: ApprovalDecision) -> Absence:
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absence = self.abs_repo.get_by_id(decision.absence_id)
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if not absence:
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raise ValueError("Abwesenheit nicht gefunden")
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if absence.status != AbsenceStatus.PENDING:
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raise ValueError(f"Status ist bereits {absence.status.value}")
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absence.approver_id = decision.approver_id
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absence.approved_at = datetime.datetime.utcnow()
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absence.status = AbsenceStatus.APPROVED if decision.approved else AbsenceStatus.REJECTED
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self.db.commit()
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return absence
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def get_absences_for_employee(self, employee_id: str, year: Optional[int] = None) -> list[Absence]:
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return self.abs_repo.list_for_employee(employee_id, year)
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def get_absences_for_period(
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self, start: datetime.date, end: datetime.date
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) -> list[Absence]:
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return self.abs_repo.list_for_period(start, end)
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def get_all_absences(self, year: Optional[int] = None) -> list[Absence]:
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return self.abs_repo.list_all(year)
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def get_balance(self, employee_id: str, year: int) -> BalanceRead:
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emp = self.emp_repo.get_by_id(employee_id)
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if not emp:
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raise ValueError(f"Mitarbeiter {employee_id} nicht gefunden")
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ba = self.bal_repo.get_or_create(employee_id, year)
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used = self.abs_repo.used_days(employee_id, year)
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return BalanceRead(
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employee_id=employee_id,
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employee_name=emp.name,
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year=year,
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yearly_quota=ba.yearly_quota,
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carry_over=ba.carry_over,
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manual_adjustment=ba.manual_adjustment,
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total_available=ba.total_available,
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used_days=used,
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remaining=ba.total_available - used,
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)
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def adjust_balance(self, employee_id: str, year: int, data: BalanceAdjust) -> BalanceRead:
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self.bal_repo.update(
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employee_id, year,
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carry_over=data.carry_over,
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manual_adjustment=data.manual_adjustment,
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yearly_quota=data.yearly_quota,
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)
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self.db.commit()
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return self.get_balance(employee_id, year)
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