FitTrackee/fittrackee/workouts/models.py

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import datetime
import os
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from typing import Any, Dict, Optional, Union
from uuid import UUID, uuid4
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from sqlalchemy.dialects import postgresql
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from sqlalchemy.engine.base import Connection
from sqlalchemy.event import listens_for
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from sqlalchemy.ext.declarative import DeclarativeMeta
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from sqlalchemy.ext.hybrid import hybrid_property
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from sqlalchemy.orm.mapper import Mapper
from sqlalchemy.orm.session import Session, object_session
from sqlalchemy.types import JSON, Enum
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from fittrackee import db
from .utils_files import get_absolute_file_path
from .utils_format import convert_in_duration, convert_value_to_integer
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from .utils_id import encode_uuid
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BaseModel: DeclarativeMeta = db.Model
record_types = [
'AS', # 'Best Average Speed'
'FD', # 'Farthest Distance'
'LD', # 'Longest Duration'
'MS', # 'Max speed'
]
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def update_records(
user_id: int, sport_id: int, connection: Connection, session: Session
) -> None:
record_table = Record.__table__
new_records = Workout.get_user_workout_records(user_id, sport_id)
for record_type, record_data in new_records.items():
if record_data['record_value']:
record = Record.query.filter_by(
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user_id=user_id, sport_id=sport_id, record_type=record_type
).first()
if record:
value = convert_value_to_integer(
record_type, record_data['record_value']
)
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connection.execute(
record_table.update()
.where(record_table.c.id == record.id)
.values(
value=value,
workout_id=record_data['workout'].id,
workout_uuid=record_data['workout'].uuid,
workout_date=record_data['workout'].workout_date,
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)
)
else:
new_record = Record(
workout=record_data['workout'], record_type=record_type
)
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new_record.value = record_data['record_value'] # type: ignore
session.add(new_record)
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else:
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connection.execute(
record_table.delete()
.where(record_table.c.user_id == user_id)
.where(record_table.c.sport_id == sport_id)
.where(record_table.c.record_type == record_type)
)
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class Sport(BaseModel):
__tablename__ = 'sports'
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
label = db.Column(db.String(50), unique=True, nullable=False)
is_active = db.Column(db.Boolean, default=True, nullable=False)
stopped_speed_threshold = db.Column(db.Float, default=1.0, nullable=False)
workouts = db.relationship(
'Workout',
lazy=True,
backref=db.backref('sport', lazy='joined', single_parent=True),
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)
records = db.relationship(
'Record',
lazy=True,
backref=db.backref('sport', lazy='joined', single_parent=True),
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)
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def __repr__(self) -> str:
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return f'<Sport {self.label!r}>'
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def __init__(self, label: str) -> None:
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self.label = label
def serialize(
self,
is_admin: Optional[bool] = False,
sport_preferences: Optional[Dict] = None,
) -> Dict:
serialized_sport = {
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'id': self.id,
'label': self.label,
'is_active': self.is_active,
'is_active_for_user': (
self.is_active
if sport_preferences is None
else (sport_preferences['is_active'] and self.is_active)
),
'color': (
None
if sport_preferences is None
else sport_preferences['color']
),
'stopped_speed_threshold': (
self.stopped_speed_threshold
if sport_preferences is None
else sport_preferences['stopped_speed_threshold']
),
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}
if is_admin:
serialized_sport['has_workouts'] = len(self.workouts) > 0
return serialized_sport
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class Workout(BaseModel):
__tablename__ = 'workouts'
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
uuid = db.Column(
postgresql.UUID(as_uuid=True),
default=uuid4,
unique=True,
nullable=False,
)
user_id = db.Column(
db.Integer, db.ForeignKey('users.id'), index=True, nullable=False
)
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sport_id = db.Column(
db.Integer, db.ForeignKey('sports.id'), index=True, nullable=False
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)
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title = db.Column(db.String(255), nullable=True)
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gpx = db.Column(db.String(255), nullable=True)
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creation_date = db.Column(db.DateTime, default=datetime.datetime.utcnow)
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modification_date = db.Column(
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db.DateTime, onupdate=datetime.datetime.utcnow
)
workout_date = db.Column(db.DateTime, index=True, nullable=False)
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duration = db.Column(db.Interval, nullable=False)
pauses = db.Column(db.Interval, nullable=True)
moving = db.Column(db.Interval, nullable=True)
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distance = db.Column(db.Numeric(6, 3), nullable=True) # kilometers
min_alt = db.Column(db.Numeric(6, 2), nullable=True) # meters
max_alt = db.Column(db.Numeric(6, 2), nullable=True) # meters
descent = db.Column(db.Numeric(7, 2), nullable=True) # meters
ascent = db.Column(db.Numeric(7, 2), nullable=True) # meters
max_speed = db.Column(db.Numeric(6, 2), nullable=True) # km/h
ave_speed = db.Column(db.Numeric(6, 2), nullable=True) # km/h
bounds = db.Column(postgresql.ARRAY(db.Float), nullable=True)
map = db.Column(db.String(255), nullable=True)
map_id = db.Column(db.String(50), index=True, nullable=True)
weather_start = db.Column(JSON, nullable=True)
weather_end = db.Column(JSON, nullable=True)
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notes = db.Column(db.String(500), nullable=True)
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segments = db.relationship(
'WorkoutSegment',
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lazy=True,
cascade='all, delete',
backref=db.backref('workout', lazy='joined', single_parent=True),
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)
records = db.relationship(
'Record',
lazy=True,
cascade='all, delete',
backref=db.backref('workout', lazy='joined', single_parent=True),
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)
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def __str__(self) -> str:
return f'<Workout \'{self.sport.label}\' - {self.workout_date}>'
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def __init__(
self,
user_id: int,
sport_id: int,
workout_date: datetime.datetime,
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distance: float,
duration: datetime.timedelta,
) -> None:
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self.user_id = user_id
self.sport_id = sport_id
self.workout_date = workout_date
self.distance = distance
self.duration = duration
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@property
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def short_id(self) -> str:
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return encode_uuid(self.uuid)
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def serialize(self, params: Optional[Dict] = None) -> Dict:
date_from = params.get('from') if params else None
date_to = params.get('to') if params else None
distance_from = params.get('distance_from') if params else None
distance_to = params.get('distance_to') if params else None
duration_from = params.get('duration_from') if params else None
duration_to = params.get('duration_to') if params else None
ave_speed_from = params.get('ave_speed_from') if params else None
ave_speed_to = params.get('ave_speed_to') if params else None
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max_speed_from = params.get('max_speed_from') if params else None
max_speed_to = params.get('max_speed_to') if params else None
sport_id = params.get('sport_id') if params else None
previous_workout = (
Workout.query.filter(
Workout.id != self.id,
Workout.user_id == self.user_id,
Workout.sport_id == sport_id if sport_id else True,
Workout.workout_date <= self.workout_date,
Workout.workout_date
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>= datetime.datetime.strptime(date_from, '%Y-%m-%d')
if date_from
else True,
Workout.workout_date
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<= datetime.datetime.strptime(date_to, '%Y-%m-%d')
if date_to
else True,
Workout.distance >= float(distance_from)
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if distance_from
else True,
Workout.distance <= float(distance_to)
if distance_to
else True,
Workout.duration >= convert_in_duration(duration_from)
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if duration_from
else True,
Workout.duration <= convert_in_duration(duration_to)
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if duration_to
else True,
Workout.ave_speed >= float(ave_speed_from)
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if ave_speed_from
else True,
Workout.ave_speed <= float(ave_speed_to)
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if ave_speed_to
else True,
Workout.max_speed >= float(max_speed_from)
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if max_speed_from
else True,
Workout.max_speed <= float(max_speed_to)
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if max_speed_to
else True,
)
.order_by(Workout.workout_date.desc())
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.first()
)
next_workout = (
Workout.query.filter(
Workout.id != self.id,
Workout.user_id == self.user_id,
Workout.sport_id == sport_id if sport_id else True,
Workout.workout_date >= self.workout_date,
Workout.workout_date
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>= datetime.datetime.strptime(date_from, '%Y-%m-%d')
if date_from
else True,
Workout.workout_date
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<= datetime.datetime.strptime(date_to, '%Y-%m-%d')
if date_to
else True,
Workout.distance >= float(distance_from)
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if distance_from
else True,
Workout.distance <= float(distance_to)
if distance_to
else True,
Workout.duration >= convert_in_duration(duration_from)
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if duration_from
else True,
Workout.duration <= convert_in_duration(duration_to)
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if duration_to
else True,
Workout.ave_speed >= float(ave_speed_from)
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if ave_speed_from
else True,
Workout.ave_speed <= float(ave_speed_to)
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if ave_speed_to
else True,
)
.order_by(Workout.workout_date.asc())
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.first()
)
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return {
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'id': self.short_id, # WARNING: client use uuid as id
'user': self.user.username,
'sport_id': self.sport_id,
'title': self.title,
'creation_date': self.creation_date,
'modification_date': self.modification_date,
'workout_date': self.workout_date,
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'duration': str(self.duration) if self.duration else None,
'pauses': str(self.pauses) if self.pauses else None,
'moving': str(self.moving) if self.moving else None,
'distance': float(self.distance) if self.distance else None,
'min_alt': float(self.min_alt) if self.min_alt else None,
'max_alt': float(self.max_alt) if self.max_alt else None,
'descent': float(self.descent) if self.descent else None,
'ascent': float(self.ascent) if self.ascent else None,
'max_speed': float(self.max_speed) if self.max_speed else None,
'ave_speed': float(self.ave_speed) if self.ave_speed else None,
'with_gpx': self.gpx is not None,
'bounds': [float(bound) for bound in self.bounds]
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if self.bounds
else [], # noqa
'previous_workout': previous_workout.short_id
if previous_workout
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else None, # noqa
'next_workout': next_workout.short_id if next_workout else None,
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'segments': [segment.serialize() for segment in self.segments],
'records': [record.serialize() for record in self.records],
'map': self.map_id if self.map else None,
'weather_start': self.weather_start,
'weather_end': self.weather_end,
'notes': self.notes,
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}
@classmethod
def get_user_workout_records(
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cls, user_id: int, sport_id: int, as_integer: Optional[bool] = False
) -> Dict:
record_types_columns = {
'AS': 'ave_speed', # 'Average speed'
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'FD': 'distance', # 'Farthest Distance'
'LD': 'moving', # 'Longest Duration'
'MS': 'max_speed', # 'Max speed'
}
records = {}
for record_type, column in record_types_columns.items():
column_sorted = getattr(getattr(Workout, column), 'desc')()
record_workout = (
Workout.query.filter_by(user_id=user_id, sport_id=sport_id)
.order_by(column_sorted, Workout.workout_date)
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.first()
)
records[record_type] = dict(
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record_value=(
getattr(record_workout, column) if record_workout else None
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),
workout=record_workout,
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)
return records
@listens_for(Workout, 'after_insert')
def on_workout_insert(
mapper: Mapper, connection: Connection, workout: Workout
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) -> None:
@listens_for(db.Session, 'after_flush', once=True)
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def receive_after_flush(session: Session, context: Any) -> None:
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update_records(
workout.user_id, workout.sport_id, connection, session
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) # noqa
@listens_for(Workout, 'after_update')
def on_workout_update(
mapper: Mapper, connection: Connection, workout: Workout
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) -> None:
if object_session(workout).is_modified(
workout, include_collections=True
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): # noqa
@listens_for(db.Session, 'after_flush', once=True)
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def receive_after_flush(session: Session, context: Any) -> None:
sports_list = [workout.sport_id]
records = Record.query.filter_by(workout_id=workout.id).all()
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for rec in records:
if rec.sport_id not in sports_list:
sports_list.append(rec.sport_id)
for sport_id in sports_list:
update_records(workout.user_id, sport_id, connection, session)
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@listens_for(Workout, 'after_delete')
def on_workout_delete(
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mapper: Mapper, connection: Connection, old_record: 'Record'
) -> None:
@listens_for(db.Session, 'after_flush', once=True)
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def receive_after_flush(session: Session, context: Any) -> None:
if old_record.map:
os.remove(get_absolute_file_path(old_record.map))
if old_record.gpx:
os.remove(get_absolute_file_path(old_record.gpx))
class WorkoutSegment(BaseModel):
__tablename__ = 'workout_segments'
workout_id = db.Column(
db.Integer, db.ForeignKey('workouts.id'), primary_key=True
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)
workout_uuid = db.Column(postgresql.UUID(as_uuid=True), nullable=False)
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segment_id = db.Column(db.Integer, primary_key=True)
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duration = db.Column(db.Interval, nullable=False)
pauses = db.Column(db.Interval, nullable=True)
moving = db.Column(db.Interval, nullable=True)
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distance = db.Column(db.Numeric(6, 3), nullable=True) # kilometers
min_alt = db.Column(db.Numeric(6, 2), nullable=True) # meters
max_alt = db.Column(db.Numeric(6, 2), nullable=True) # meters
descent = db.Column(db.Numeric(7, 2), nullable=True) # meters
ascent = db.Column(db.Numeric(7, 2), nullable=True) # meters
max_speed = db.Column(db.Numeric(6, 2), nullable=True) # km/h
ave_speed = db.Column(db.Numeric(6, 2), nullable=True) # km/h
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def __str__(self) -> str:
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return (
f'<Segment \'{self.segment_id}\' '
f'for workout \'{encode_uuid(self.workout_uuid)}\'>'
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)
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def __init__(
self, segment_id: int, workout_id: int, workout_uuid: UUID
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) -> None:
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self.segment_id = segment_id
self.workout_id = workout_id
self.workout_uuid = workout_uuid
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def serialize(self) -> Dict:
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return {
'workout_id': encode_uuid(self.workout_uuid),
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'segment_id': self.segment_id,
'duration': str(self.duration) if self.duration else None,
'pauses': str(self.pauses) if self.pauses else None,
'moving': str(self.moving) if self.moving else None,
'distance': float(self.distance) if self.distance else None,
'min_alt': float(self.min_alt) if self.min_alt else None,
'max_alt': float(self.max_alt) if self.max_alt else None,
'descent': float(self.descent) if self.descent else None,
'ascent': float(self.ascent) if self.ascent else None,
'max_speed': float(self.max_speed) if self.max_speed else None,
'ave_speed': float(self.ave_speed) if self.ave_speed else None,
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}
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class Record(BaseModel):
__tablename__ = "records"
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__table_args__ = (
db.UniqueConstraint(
'user_id', 'sport_id', 'record_type', name='user_sports_records'
),
)
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
sport_id = db.Column(
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db.Integer, db.ForeignKey('sports.id'), nullable=False
)
workout_id = db.Column(
db.Integer, db.ForeignKey('workouts.id'), nullable=False
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)
workout_uuid = db.Column(postgresql.UUID(as_uuid=True), nullable=False)
record_type = db.Column(Enum(*record_types, name="record_types"))
workout_date = db.Column(db.DateTime, nullable=False)
_value = db.Column("value", db.Integer, nullable=True)
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def __str__(self) -> str:
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return (
f'<Record {self.sport.label} - '
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f'{self.record_type} - '
f"{self.workout_date.strftime('%Y-%m-%d')}>"
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)
def __init__(self, workout: Workout, record_type: str) -> None:
self.user_id = workout.user_id
self.sport_id = workout.sport_id
self.workout_id = workout.id
self.workout_uuid = workout.uuid
self.record_type = record_type
self.workout_date = workout.workout_date
@hybrid_property
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def value(self) -> Optional[Union[datetime.timedelta, float]]:
if self._value is None:
return None
if self.record_type == 'LD':
return datetime.timedelta(seconds=self._value)
elif self.record_type in ['AS', 'MS']:
return float(self._value / 100)
else: # 'FD'
return float(self._value / 1000)
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@value.setter # type: ignore
def value(self, val: Union[str, float]) -> None:
self._value = convert_value_to_integer(self.record_type, val)
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def serialize(self) -> Dict:
if self.value is None:
value = None
elif self.record_type in ['AS', 'FD', 'MS']:
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value = float(self.value) # type: ignore
else: # 'LD'
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value = str(self.value) # type: ignore
return {
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'id': self.id,
'user': self.user.username,
'sport_id': self.sport_id,
'workout_id': encode_uuid(self.workout_uuid),
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'record_type': self.record_type,
'workout_date': self.workout_date,
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'value': value,
}
@listens_for(Record, 'after_delete')
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def on_record_delete(
mapper: Mapper, connection: Connection, old_record: Record
) -> None:
@listens_for(db.Session, 'after_flush', once=True)
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def receive_after_flush(session: Session, context: Any) -> None:
workout = old_record.workout
new_records = Workout.get_user_workout_records(
workout.user_id, workout.sport_id
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)
for record_type, record_data in new_records.items():
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if (
record_data['record_value']
and record_type == old_record.record_type
):
new_record = Record(
workout=record_data['workout'], record_type=record_type
)
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new_record.value = record_data['record_value'] # type: ignore
session.add(new_record)