flaschengeist-schedule/backend/flaschengeist_events/models.py

141 lines
5.0 KiB
Python

from __future__ import annotations # TODO: Remove if python requirement is >= 3.10
from datetime import datetime
from typing import Optional, Union
from sqlalchemy import UniqueConstraint
from flaschengeist.models import ModelSerializeMixin, UtcDateTime, Serial
from flaschengeist.models.user import User
from flaschengeist.database import db
#########
# Types #
#########
_table_prefix_ = "events_"
class EventType(db.Model, ModelSerializeMixin):
__tablename__ = _table_prefix_ + "event_type"
id: int = db.Column(Serial, primary_key=True)
name: str = db.Column(db.String(30), nullable=False, unique=True)
class JobType(db.Model, ModelSerializeMixin):
__tablename__ = _table_prefix_ + "job_type"
id: int = db.Column(Serial, primary_key=True)
name: str = db.Column(db.String(30), nullable=False, unique=True)
########
# Jobs #
########
class Service(db.Model, ModelSerializeMixin):
__tablename__ = _table_prefix_ + "service"
userid: str = ""
is_backup: bool = db.Column(db.Boolean, default=False)
value: float = db.Column(db.Numeric(precision=3, scale=2, asdecimal=False), nullable=False)
_job_id = db.Column(
"job_id",
Serial,
db.ForeignKey(f"{_table_prefix_}job.id"),
nullable=False,
primary_key=True,
)
_user_id = db.Column("user_id", Serial, db.ForeignKey("user.id"), nullable=False, primary_key=True)
user_: User = db.relationship("User")
job_: Job = db.relationship("Job")
@property
def userid(self):
return self.user_.userid
class Job(db.Model, ModelSerializeMixin):
__tablename__ = _table_prefix_ + "job"
id: int = db.Column(Serial, primary_key=True)
start: datetime = db.Column(UtcDateTime, nullable=False)
end: Optional[datetime] = db.Column(UtcDateTime)
type: Union[JobType, int] = db.relationship("JobType")
comment: Optional[str] = db.Column(db.String(256))
locked: bool = db.Column(db.Boolean(), default=False, nullable=False)
services: list[Service] = db.relationship(
"Service", back_populates="job_", cascade="save-update, merge, delete, delete-orphan"
)
required_services: float = db.Column(db.Numeric(precision=4, scale=2, asdecimal=False), nullable=False)
event_ = db.relationship("Event", back_populates="jobs")
event_id_ = db.Column("event_id", Serial, db.ForeignKey(f"{_table_prefix_}event.id"), nullable=False)
type_id_ = db.Column("type_id", Serial, db.ForeignKey(f"{_table_prefix_}job_type.id"), nullable=False)
invitations_ = db.relationship("Invitation", cascade="all,delete,delete-orphan", back_populates="job_")
__table_args__ = (UniqueConstraint("type_id", "start", "event_id", name="_type_start_uc"),)
##########
# Events #
##########
class Event(db.Model, ModelSerializeMixin):
"""Model for an Event"""
__tablename__ = _table_prefix_ + "event"
id: int = db.Column(Serial, primary_key=True)
start: datetime = db.Column(UtcDateTime, nullable=False)
end: Optional[datetime] = db.Column(UtcDateTime)
name: Optional[str] = db.Column(db.String(255))
description: Optional[str] = db.Column(db.String(512))
type: Union[EventType, int] = db.relationship("EventType")
is_template: bool = db.Column(db.Boolean, default=False)
jobs: list[Job] = db.relationship(
"Job",
back_populates="event_",
cascade="all,delete,delete-orphan",
order_by="[Job.start, Job.end]",
)
# Protected for internal use
_type_id = db.Column(
"type_id",
Serial,
db.ForeignKey(f"{_table_prefix_}event_type.id", ondelete="CASCADE"),
nullable=False,
)
class Invitation(db.Model, ModelSerializeMixin):
__tablename__ = _table_prefix_ + "invitation"
id: int = db.Column(Serial, primary_key=True)
job_id: int = db.Column(Serial, db.ForeignKey(_table_prefix_ + "job.id"), nullable=False)
# Dummy properties for API export
invitee_id: str = None # User who was invited to take over
inviter_id: str = None # User who invited the invitee
transferee_id: Optional[str] = None # In case of a transfer: The user who is transfered out of the job
# Not exported properties for backend use
job_: Job = db.relationship(Job, foreign_keys="Invitation.job_id")
invitee_: User = db.relationship("User", foreign_keys="Invitation._invitee_id")
inviter_: User = db.relationship("User", foreign_keys="Invitation._inviter_id")
transferee_: User = db.relationship("User", foreign_keys="Invitation._transferee_id")
# Protected properties needed for internal use
_invitee_id = db.Column("invitee_id", Serial, db.ForeignKey("user.id"), nullable=False)
_inviter_id = db.Column("inviter_id", Serial, db.ForeignKey("user.id"), nullable=False)
_transferee_id = db.Column("transferee_id", Serial, db.ForeignKey("user.id"))
@property
def invitee_id(self):
return self.invitee_.userid
@property
def inviter_id(self):
return self.inviter_.userid
@property
def transferee_id(self):
return self.transferee_.userid if self.transferee_ else None