mirror of https://github.com/snachodog/mybuddy.git
569 lines
16 KiB
Python
569 lines
16 KiB
Python
# -*- coding: utf-8 -*-
|
|
from datetime import timedelta
|
|
|
|
from django.conf import settings
|
|
from django.core.cache import cache
|
|
from django.core.exceptions import ValidationError
|
|
from django.db import models
|
|
from django.template.defaultfilters import slugify
|
|
from django.utils import timezone
|
|
from django.utils.text import format_lazy
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
|
|
def validate_date(date, field_name):
|
|
"""
|
|
Confirm that a date is not in the future.
|
|
:param date: a timezone aware date instance.
|
|
:param field_name: the name of the field being checked.
|
|
:return:
|
|
"""
|
|
if date and date > timezone.localdate():
|
|
raise ValidationError(
|
|
{field_name: _('Date can not be in the future.')},
|
|
code='date_invalid')
|
|
|
|
|
|
def validate_duration(model, max_duration=timedelta(hours=24)):
|
|
"""
|
|
Basic sanity checks for models with a duration
|
|
:param model: a model instance with 'start' and 'end' attributes
|
|
:param max_duration: maximum allowed duration between start and end time
|
|
:return:
|
|
"""
|
|
if model.start and model.end:
|
|
if model.start > model.end:
|
|
raise ValidationError(
|
|
_('Start time must come before end time.'),
|
|
code='end_before_start')
|
|
if model.end - model.start > max_duration:
|
|
raise ValidationError(_('Duration too long.'), code='max_duration')
|
|
|
|
|
|
def validate_unique_period(queryset, model):
|
|
"""
|
|
Confirm that model's start and end date do not intersect with other
|
|
instances.
|
|
:param queryset: a queryset of instances to check against.
|
|
:param model: a model instance with 'start' and 'end' attributes
|
|
:return:
|
|
"""
|
|
if model.id:
|
|
queryset = queryset.exclude(id=model.id)
|
|
if model.start and model.end:
|
|
if queryset.filter(start__lte=model.end, end__gte=model.start):
|
|
raise ValidationError(
|
|
_('Another entry intersects the specified time period.'),
|
|
code='period_intersection')
|
|
|
|
|
|
def validate_time(time, field_name):
|
|
"""
|
|
Confirm that a time is not in the future.
|
|
:param time: a timezone aware datetime instance.
|
|
:param field_name: the name of the field being checked.
|
|
:return:
|
|
"""
|
|
if time and time > timezone.localtime():
|
|
raise ValidationError(
|
|
{field_name: _('Date/time can not be in the future.')},
|
|
code='time_invalid')
|
|
|
|
|
|
class Child(models.Model):
|
|
model_name = 'child'
|
|
first_name = models.CharField(max_length=255, verbose_name=_('First name'))
|
|
last_name = models.CharField(max_length=255, verbose_name=_('Last name'))
|
|
birth_date = models.DateField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Birth date')
|
|
)
|
|
slug = models.SlugField(
|
|
editable=False,
|
|
max_length=100,
|
|
unique=True,
|
|
verbose_name=_('Slug')
|
|
)
|
|
picture = models.ImageField(
|
|
blank=True,
|
|
null=True,
|
|
upload_to='child/picture/',
|
|
verbose_name=_('Picture')
|
|
)
|
|
|
|
objects = models.Manager()
|
|
|
|
cache_key_count = 'core.child.count'
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['last_name', 'first_name']
|
|
verbose_name = _('Child')
|
|
verbose_name_plural = _('Children')
|
|
|
|
def __str__(self):
|
|
return '{} {}'.format(self.first_name, self.last_name)
|
|
|
|
def save(self, *args, **kwargs):
|
|
self.slug = slugify(self)
|
|
super(Child, self).save(*args, **kwargs)
|
|
cache.set(self.cache_key_count, Child.objects.count(), None)
|
|
|
|
def delete(self, using=None, keep_parents=False):
|
|
super(Child, self).delete(using, keep_parents)
|
|
cache.set(self.cache_key_count, Child.objects.count(), None)
|
|
|
|
def name(self, reverse=False):
|
|
if reverse:
|
|
return '{}, {}'.format(self.last_name, self.first_name)
|
|
|
|
return '{} {}'.format(self.first_name, self.last_name)
|
|
|
|
@classmethod
|
|
def count(cls):
|
|
""" Get a (cached) count of total number of Child instances. """
|
|
return cache.get_or_set(cls.cache_key_count, Child.objects.count, None)
|
|
|
|
|
|
class DiaperChange(models.Model):
|
|
model_name = 'diaperchange'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='diaper_change',
|
|
verbose_name=_('Child')
|
|
)
|
|
time = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Time')
|
|
)
|
|
wet = models.BooleanField(verbose_name=_('Wet'))
|
|
solid = models.BooleanField(verbose_name=_('Solid'))
|
|
color = models.CharField(
|
|
blank=True,
|
|
choices=[
|
|
('black', _('Black')),
|
|
('brown', _('Brown')),
|
|
('green', _('Green')),
|
|
('yellow', _('Yellow')),
|
|
],
|
|
max_length=255,
|
|
verbose_name=_('Color')
|
|
)
|
|
amount = models.FloatField(blank=True, null=True, verbose_name=_('Amount'))
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-time']
|
|
verbose_name = _('Diaper Change')
|
|
verbose_name_plural = _('Diaper Changes')
|
|
|
|
def __str__(self):
|
|
return str(_('Diaper Change'))
|
|
|
|
def attributes(self):
|
|
attributes = []
|
|
if self.wet:
|
|
attributes.append(self._meta.get_field('wet').verbose_name)
|
|
if self.solid:
|
|
attributes.append(self._meta.get_field('solid').verbose_name)
|
|
if self.color:
|
|
attributes.append(self.get_color_display())
|
|
return attributes
|
|
|
|
def clean(self):
|
|
validate_time(self.time, 'time')
|
|
|
|
# One or both of Wet and Solid is required.
|
|
if not self.wet and not self.solid:
|
|
raise ValidationError(
|
|
_('Wet and/or solid is required.'), code='wet_or_solid')
|
|
|
|
|
|
class Feeding(models.Model):
|
|
model_name = 'feeding'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='feeding',
|
|
verbose_name=_('Child')
|
|
)
|
|
start = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Start time')
|
|
)
|
|
end = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('End time')
|
|
)
|
|
duration = models.DurationField(
|
|
editable=False,
|
|
null=True,
|
|
verbose_name=_('Duration')
|
|
)
|
|
type = models.CharField(
|
|
choices=[
|
|
('breast milk', _('Breast milk')),
|
|
('formula', _('Formula')),
|
|
('fortified breast milk', _('Fortified breast milk')),
|
|
],
|
|
max_length=255,
|
|
verbose_name=_('Type')
|
|
)
|
|
method = models.CharField(
|
|
choices=[
|
|
('bottle', _('Bottle')),
|
|
('left breast', _('Left breast')),
|
|
('right breast', _('Right breast')),
|
|
('both breasts', _('Both breasts')),
|
|
],
|
|
max_length=255,
|
|
verbose_name=_('Method')
|
|
)
|
|
amount = models.FloatField(blank=True, null=True, verbose_name=_('Amount'))
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-start']
|
|
verbose_name = _('Feeding')
|
|
verbose_name_plural = _('Feedings')
|
|
|
|
def __str__(self):
|
|
return str(_('Feeding'))
|
|
|
|
def save(self, *args, **kwargs):
|
|
if self.start and self.end:
|
|
self.duration = self.end - self.start
|
|
super(Feeding, self).save(*args, **kwargs)
|
|
|
|
def clean(self):
|
|
validate_time(self.start, 'start')
|
|
validate_time(self.end, 'end')
|
|
validate_duration(self)
|
|
validate_unique_period(Feeding.objects.filter(child=self.child), self)
|
|
|
|
# "Formula" Type may only be associated with "Bottle" Method.
|
|
if self.type == 'formula' and self.method != 'bottle':
|
|
raise ValidationError(
|
|
{'method':
|
|
_('Only "Bottle" method is allowed with "Formula" type.')},
|
|
code='bottle_formula_mismatch')
|
|
|
|
|
|
class Note(models.Model):
|
|
model_name = 'note'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='note',
|
|
verbose_name=_('Child')
|
|
)
|
|
note = models.TextField(verbose_name=_('Note'))
|
|
time = models.DateTimeField(auto_now=True, verbose_name=_('Time'))
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-time']
|
|
verbose_name = _('Note')
|
|
verbose_name_plural = _('Notes')
|
|
|
|
def __str__(self):
|
|
return str(_('Note'))
|
|
|
|
|
|
class NapsManager(models.Manager):
|
|
def get_queryset(self):
|
|
qs = super(NapsManager, self).get_queryset()
|
|
return qs.filter(id__in=[obj.id for obj in qs if obj.nap])
|
|
|
|
|
|
class Sleep(models.Model):
|
|
model_name = 'sleep'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='sleep',
|
|
verbose_name=_('Child')
|
|
)
|
|
start = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Start time')
|
|
)
|
|
end = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('End time')
|
|
)
|
|
duration = models.DurationField(
|
|
editable=False,
|
|
null=True,
|
|
verbose_name=_('Duration')
|
|
)
|
|
|
|
objects = models.Manager()
|
|
naps = NapsManager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-start']
|
|
verbose_name = _('Sleep')
|
|
verbose_name_plural = _('Sleep')
|
|
|
|
def __str__(self):
|
|
return str(_('Sleep'))
|
|
|
|
@property
|
|
def nap(self):
|
|
nap_start_min = timezone.datetime.strptime(
|
|
settings.BABY_BUDDY['NAP_START_MIN'], '%H:%M').time()
|
|
nap_start_max = timezone.datetime.strptime(
|
|
settings.BABY_BUDDY['NAP_START_MAX'], '%H:%M').time()
|
|
local_start_time = timezone.localtime(self.start).time()
|
|
return nap_start_min <= local_start_time <= nap_start_max
|
|
|
|
def save(self, *args, **kwargs):
|
|
if self.start and self.end:
|
|
self.duration = self.end - self.start
|
|
super(Sleep, self).save(*args, **kwargs)
|
|
|
|
def clean(self):
|
|
validate_time(self.start, 'start')
|
|
validate_time(self.end, 'end')
|
|
validate_duration(self)
|
|
validate_unique_period(Sleep.objects.filter(child=self.child), self)
|
|
|
|
|
|
class Temperature(models.Model):
|
|
model_name = 'temperature'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='temperature',
|
|
verbose_name=_('Child')
|
|
)
|
|
temperature = models.FloatField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Temperature')
|
|
)
|
|
time = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Time')
|
|
)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-time']
|
|
verbose_name = _('Temperature')
|
|
verbose_name_plural = _('Temperature')
|
|
|
|
def __str__(self):
|
|
return str(_('Temperature'))
|
|
|
|
def clean(self):
|
|
validate_time(self.time, 'time')
|
|
|
|
|
|
class Timer(models.Model):
|
|
model_name = 'timer'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
blank=True,
|
|
null=True,
|
|
on_delete=models.CASCADE,
|
|
related_name='timers',
|
|
verbose_name=_('Child')
|
|
)
|
|
name = models.CharField(
|
|
blank=True,
|
|
max_length=255,
|
|
null=True,
|
|
verbose_name=_('Name')
|
|
)
|
|
start = models.DateTimeField(
|
|
default=timezone.now,
|
|
blank=False,
|
|
verbose_name=_('Start time')
|
|
)
|
|
end = models.DateTimeField(
|
|
blank=True,
|
|
editable=False,
|
|
null=True,
|
|
verbose_name=_('End time')
|
|
)
|
|
duration = models.DurationField(
|
|
editable=False,
|
|
null=True,
|
|
verbose_name=_('Duration')
|
|
)
|
|
active = models.BooleanField(
|
|
default=True,
|
|
editable=False,
|
|
verbose_name=_('Active')
|
|
)
|
|
user = models.ForeignKey(
|
|
'auth.User',
|
|
on_delete=models.CASCADE,
|
|
related_name='timers',
|
|
verbose_name=_('User')
|
|
)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-active', '-start', '-end']
|
|
verbose_name = _('Timer')
|
|
verbose_name_plural = _('Timers')
|
|
|
|
def __str__(self):
|
|
return self.name or str(format_lazy(_('Timer #{id}'), id=self.id))
|
|
|
|
@property
|
|
def title_with_child(self):
|
|
""" Get Timer title with child name in parenthesis. """
|
|
title = str(self)
|
|
# Only actually add the name if there is more than one Child instance.
|
|
if title and self.child and Child.count() > 1:
|
|
title = format_lazy('{title} ({child})', title=title,
|
|
child=self.child)
|
|
return title
|
|
|
|
@classmethod
|
|
def from_db(cls, db, field_names, values):
|
|
instance = super(Timer, cls).from_db(db, field_names, values)
|
|
if not instance.duration:
|
|
instance.duration = timezone.now() - instance.start
|
|
return instance
|
|
|
|
def restart(self):
|
|
"""Restart the timer."""
|
|
self.start = timezone.now()
|
|
self.end = None
|
|
self.duration = None
|
|
self.active = True
|
|
self.save()
|
|
|
|
def stop(self, end=None):
|
|
"""Stop the timer."""
|
|
if not end:
|
|
end = timezone.now()
|
|
self.end = end
|
|
self.save()
|
|
|
|
def save(self, *args, **kwargs):
|
|
self.active = self.end is None
|
|
self.name = self.name or None
|
|
if self.start and self.end:
|
|
self.duration = self.end - self.start
|
|
else:
|
|
self.duration = None
|
|
super(Timer, self).save(*args, **kwargs)
|
|
|
|
def clean(self):
|
|
validate_time(self.start, 'start')
|
|
if self.end:
|
|
validate_time(self.end, 'end')
|
|
validate_duration(self)
|
|
|
|
|
|
class TummyTime(models.Model):
|
|
model_name = 'tummytime'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='tummy_time',
|
|
verbose_name=_('Child')
|
|
)
|
|
start = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Start time')
|
|
)
|
|
end = models.DateTimeField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('End time')
|
|
)
|
|
duration = models.DurationField(
|
|
editable=False,
|
|
null=True,
|
|
verbose_name=_('Duration')
|
|
)
|
|
milestone = models.CharField(
|
|
blank=True,
|
|
max_length=255,
|
|
verbose_name=_('Milestone')
|
|
)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-start']
|
|
verbose_name = _('Tummy Time')
|
|
verbose_name_plural = _('Tummy Time')
|
|
|
|
def __str__(self):
|
|
return str(_('Tummy Time'))
|
|
|
|
def save(self, *args, **kwargs):
|
|
if self.start and self.end:
|
|
self.duration = self.end - self.start
|
|
super(TummyTime, self).save(*args, **kwargs)
|
|
|
|
def clean(self):
|
|
validate_time(self.start, 'start')
|
|
validate_time(self.end, 'end')
|
|
validate_duration(self)
|
|
validate_unique_period(
|
|
TummyTime.objects.filter(child=self.child), self)
|
|
|
|
|
|
class Weight(models.Model):
|
|
model_name = 'weight'
|
|
child = models.ForeignKey(
|
|
'Child',
|
|
on_delete=models.CASCADE,
|
|
related_name='weight',
|
|
verbose_name=_('Child')
|
|
)
|
|
weight = models.FloatField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Weight')
|
|
)
|
|
date = models.DateField(
|
|
blank=False,
|
|
null=False,
|
|
verbose_name=_('Date')
|
|
)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ('view', 'add', 'change', 'delete')
|
|
ordering = ['-date']
|
|
verbose_name = _('Weight')
|
|
verbose_name_plural = _('Weight')
|
|
|
|
def __str__(self):
|
|
return str(_('Weight'))
|
|
|
|
def clean(self):
|
|
validate_date(self.date, 'date')
|