277 lines
7.3 KiB
Python
277 lines
7.3 KiB
Python
"""
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In-memory data store for the Veterinary Clinic example.
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This module is NOT thread-safe and is intended for demos and scaffolds only.
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It provides minimal, process-local data stores for the five veterinary
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clinic entities. Each store exposes standard CRUD operations backed by
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a simple dictionary.
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This module intentionally avoids:
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- persistence
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- concurrency guarantees
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- transactional semantics
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- validation beyond what Pydantic provides
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This module is not part of the ``openapi_first`` library API surface.
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"""
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from datetime import datetime, timezone
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from models import (
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Parent, ParentCreate,
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Vet, VetCreate,
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Treatment, TreatmentCreate,
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Pet, PetCreate,
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Appointment, AppointmentCreate,
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)
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def _now():
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return datetime.now(timezone.utc).isoformat()
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# ---------------------------------------------------------------------------
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# Parents
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# ---------------------------------------------------------------------------
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_parents: dict[int, Parent] = {}
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_parents_next_id = 1
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def list_parents() -> list[Parent]:
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return list(_parents.values())
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def get_parent(parent_id: int) -> Parent:
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return _parents[parent_id]
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def create_parent(payload: ParentCreate) -> Parent:
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global _parents_next_id
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now = _now()
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parent = Parent(
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id=_parents_next_id,
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**payload.model_dump(exclude={"id"}),
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metadata={"createdOn": now, "updatedOn": now} if payload.metadata else None,
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)
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_parents[_parents_next_id] = parent
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_parents_next_id += 1
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return parent
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def update_parent(parent_id: int, payload: ParentCreate) -> Parent:
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if parent_id not in _parents:
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raise KeyError(parent_id)
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now = _now()
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parent = _parents[parent_id]
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updated = parent.model_copy(
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update={
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**payload.model_dump(exclude={"id", "metadata"}),
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"metadata": {"createdOn": parent.metadata.get("createdOn", now), "updatedOn": now}
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if parent.metadata else None,
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}
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)
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_parents[parent_id] = updated
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return updated
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def delete_parent(parent_id: int) -> None:
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del _parents[parent_id]
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# ---------------------------------------------------------------------------
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# Vets
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# ---------------------------------------------------------------------------
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_vets: dict[int, Vet] = {}
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_vets_next_id = 1
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def list_vets() -> list[Vet]:
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return list(_vets.values())
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def get_vet(vet_id: int) -> Vet:
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return _vets[vet_id]
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def create_vet(payload: VetCreate) -> Vet:
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global _vets_next_id
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now = _now()
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vet = Vet(
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id=_vets_next_id,
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**payload.model_dump(exclude={"id"}),
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metadata={"createdOn": now, "updatedOn": now} if payload.metadata else None,
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)
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_vets[_vets_next_id] = vet
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_vets_next_id += 1
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return vet
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def update_vet(vet_id: int, payload: VetCreate) -> Vet:
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if vet_id not in _vets:
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raise KeyError(vet_id)
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now = _now()
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vet = _vets[vet_id]
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updated = vet.model_copy(
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update={
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**payload.model_dump(exclude={"id", "metadata"}),
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"metadata": {"createdOn": vet.metadata.get("createdOn", now), "updatedOn": now}
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if vet.metadata else None,
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}
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)
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_vets[vet_id] = updated
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return updated
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def delete_vet(vet_id: int) -> None:
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del _vets[vet_id]
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# ---------------------------------------------------------------------------
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# Treatments
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# ---------------------------------------------------------------------------
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_treatments: dict[int, Treatment] = {}
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_treatments_next_id = 1
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def list_treatments() -> list[Treatment]:
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return list(_treatments.values())
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def get_treatment(treatment_id: int) -> Treatment:
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return _treatments[treatment_id]
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def create_treatment(payload: TreatmentCreate) -> Treatment:
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global _treatments_next_id
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now = _now()
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treatment = Treatment(
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id=_treatments_next_id,
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**payload.model_dump(exclude={"id"}),
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metadata={"createdOn": now, "updatedOn": now} if payload.metadata else None,
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)
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_treatments[_treatments_next_id] = treatment
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_treatments_next_id += 1
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return treatment
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def update_treatment(treatment_id: int, payload: TreatmentCreate) -> Treatment:
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if treatment_id not in _treatments:
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raise KeyError(treatment_id)
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now = _now()
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treatment = _treatments[treatment_id]
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updated = treatment.model_copy(
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update={
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**payload.model_dump(exclude={"id", "metadata"}),
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"metadata": {"createdOn": treatment.metadata.get("createdOn", now), "updatedOn": now}
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if treatment.metadata else None,
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}
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)
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_treatments[treatment_id] = updated
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return updated
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def delete_treatment(treatment_id: int) -> None:
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del _treatments[treatment_id]
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# ---------------------------------------------------------------------------
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# Pets
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# ---------------------------------------------------------------------------
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_pets: dict[int, Pet] = {}
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_pets_next_id = 1
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def list_pets() -> list[Pet]:
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return list(_pets.values())
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def get_pet(pet_id: int) -> Pet:
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return _pets[pet_id]
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def create_pet(payload: PetCreate) -> Pet:
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global _pets_next_id
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now = _now()
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pet = Pet(
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id=_pets_next_id,
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**payload.model_dump(exclude={"id"}),
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metadata={"createdOn": now, "updatedOn": now} if payload.metadata else None,
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)
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_pets[_pets_next_id] = pet
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_pets_next_id += 1
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return pet
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def update_pet(pet_id: int, payload: PetCreate) -> Pet:
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if pet_id not in _pets:
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raise KeyError(pet_id)
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now = _now()
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pet = _pets[pet_id]
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updated = pet.model_copy(
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update={
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**payload.model_dump(exclude={"id", "metadata"}),
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"metadata": {"createdOn": pet.metadata.get("createdOn", now), "updatedOn": now}
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if pet.metadata else None,
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}
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)
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_pets[pet_id] = updated
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return updated
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def delete_pet(pet_id: int) -> None:
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del _pets[pet_id]
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# ---------------------------------------------------------------------------
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# Appointments
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# ---------------------------------------------------------------------------
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_appointments: dict[int, Appointment] = {}
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_appointments_next_id = 1
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def list_appointments() -> list[Appointment]:
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return list(_appointments.values())
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def get_appointment(appointment_id: int) -> Appointment:
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return _appointments[appointment_id]
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def create_appointment(payload: AppointmentCreate) -> Appointment:
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global _appointments_next_id
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now = _now()
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appointment = Appointment(
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id=_appointments_next_id,
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**payload.model_dump(exclude={"id"}),
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metadata={"createdOn": now, "updatedOn": now} if payload.metadata else None,
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)
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_appointments[_appointments_next_id] = appointment
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_appointments_next_id += 1
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return appointment
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def update_appointment(appointment_id: int, payload: AppointmentCreate) -> Appointment:
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if appointment_id not in _appointments:
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raise KeyError(appointment_id)
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now = _now()
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appointment = _appointments[appointment_id]
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updated = appointment.model_copy(
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update={
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**payload.model_dump(exclude={"id", "metadata"}),
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"metadata": {"createdOn": appointment.metadata.get("createdOn", now), "updatedOn": now}
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if appointment.metadata else None,
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}
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)
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_appointments[appointment_id] = updated
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return updated
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def delete_appointment(appointment_id: int) -> None:
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del _appointments[appointment_id]
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