mirror of https://github.com/snachodog/mybuddy.git
732 lines
22 KiB
Python
732 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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import random
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import re
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from datetime import timedelta
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from typing import Iterable, Optional
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from django.conf import settings
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from django.core.cache import cache
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.utils.text import slugify
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from django.utils import timezone
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from django.utils.text import format_lazy
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from django.utils.translation import gettext_lazy as _
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from django.core.validators import RegexValidator
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from taggit.managers import TaggableManager as TaggitTaggableManager
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from taggit.models import TagBase, GenericTaggedItemBase
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random.seed()
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def validate_date(date, field_name):
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"""
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Confirm that a date is not in the future.
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:param date: a timezone aware date instance.
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:param field_name: the name of the field being checked.
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:return:
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"""
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if date and date > timezone.localdate():
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raise ValidationError(
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{field_name: _("Date can not be in the future.")}, code="date_invalid"
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)
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def validate_duration(model, max_duration=timedelta(hours=24)):
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"""
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Basic sanity checks for models with a duration
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:param model: a model instance with 'start' and 'end' attributes
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:param max_duration: maximum allowed duration between start and end time
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:return:
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"""
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if model.start and model.end:
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if model.start > model.end:
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raise ValidationError(
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_("Start time must come before end time."), code="end_before_start"
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)
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if model.end - model.start > max_duration:
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raise ValidationError(_("Duration too long."), code="max_duration")
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def validate_unique_period(queryset, model):
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"""
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Confirm that model's start and end date do not intersect with other
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instances.
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:param queryset: a queryset of instances to check against.
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:param model: a model instance with 'start' and 'end' attributes
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:return:
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"""
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if model.id:
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queryset = queryset.exclude(id=model.id)
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if model.start and model.end:
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if queryset.filter(start__lt=model.end, end__gt=model.start):
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raise ValidationError(
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_("Another entry intersects the specified time period."),
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code="period_intersection",
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)
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def validate_time(time, field_name):
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"""
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Confirm that a time is not in the future.
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:param time: a timezone aware datetime instance.
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:param field_name: the name of the field being checked.
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:return:
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"""
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if time and time > timezone.localtime():
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raise ValidationError(
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{field_name: _("Date/time can not be in the future.")}, code="time_invalid"
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)
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def random_color():
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TAG_COLORS = [
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"#ff0000",
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"#00ff00",
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"#0000ff",
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"#ff00ff",
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"#ffff00",
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"#00ffff",
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"#ff7f7f",
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"#7fff7f",
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"#7f7fff",
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"#ff7fff",
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"#ffff7f",
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"#7fffff",
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"#7f0000",
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"#007f00",
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"#00007f",
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"#7f007f",
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"#7f7f00",
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"#007f7f",
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]
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return TAG_COLORS[random.randrange(0, len(TAG_COLORS))]
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class Tag(TagBase):
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class Meta:
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verbose_name = _("Tag")
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verbose_name_plural = _("Tags")
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color = models.CharField(
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verbose_name=_("Color"),
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max_length=32,
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default=random_color,
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validators=[RegexValidator(r"^#[0-9a-fA-F]{6}$")],
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)
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last_used = models.DateTimeField(
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verbose_name=_("Last used"),
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default=timezone.now,
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blank=False,
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)
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@property
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def complementary_color(self):
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DARK, LIGHT = "#101010", "#EFEFEF"
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if not self.color:
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return DARK
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r, g, b = [int(x, 16) for x in re.match("#(..)(..)(..)", self.color).groups()]
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yiq = ((r * 299) + (g * 587) + (b * 114)) // 1000
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if yiq >= 128:
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return DARK
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else:
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return LIGHT
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class Tagged(GenericTaggedItemBase):
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tag = models.ForeignKey(
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Tag,
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verbose_name=_("Tag"),
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on_delete=models.CASCADE,
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related_name="%(app_label)s_%(class)s_items",
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)
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def save_base(self, *args, **kwargs):
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"""
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Update last_used of the used tag, whenever it is used in a
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save-operation.
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"""
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self.tag.last_used = timezone.now()
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self.tag.save()
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return super().save_base(*args, **kwargs)
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class TaggableManager(TaggitTaggableManager):
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"""
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Replace the default help_text with
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"""
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def __init__(self, *args, **kwargs):
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kwargs["help_text"] = _(
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"Click on the tags to add (+) or remove (-) tags or use the text editor to create new tags."
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)
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super().__init__(*args, **kwargs)
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def formfield(self, *args, **kwargs):
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# Local import required because .widgets imports .models
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from core.widgets import TagsEditor
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kwargs["widget"] = TagsEditor
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return super().formfield(*args, **kwargs)
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class Breastpump(models.Model):
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model_name = "breastpump"
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child = models.ForeignKey(
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"Child",
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on_delete=models.CASCADE,
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related_name="breastpump",
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verbose_name=_("Child"),
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)
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amount = models.FloatField(
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blank=False, null=False, verbose_name=_("Amount")
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)
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time = models.DateTimeField(blank=False, null=False, verbose_name=_("Time"))
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notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
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objects = models.Manager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-time"]
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verbose_name = _("Breastpump")
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verbose_name_plural = _("Breastpump")
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def __str__(self):
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return str(_("Breastpump"))
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def clean(self):
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validate_time(self.time, "time")
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class Child(models.Model):
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model_name = "child"
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first_name = models.CharField(max_length=255, verbose_name=_("First name"))
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last_name = models.CharField(
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blank=True, max_length=255, verbose_name=_("Last name")
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)
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birth_date = models.DateField(blank=False, null=False, verbose_name=_("Birth date"))
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slug = models.SlugField(
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allow_unicode=True,
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blank=False,
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editable=False,
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max_length=100,
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unique=True,
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verbose_name=_("Slug"),
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)
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picture = models.ImageField(
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blank=True, null=True, upload_to="child/picture/", verbose_name=_("Picture")
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)
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objects = models.Manager()
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cache_key_count = "core.child.count"
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["last_name", "first_name"]
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verbose_name = _("Child")
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verbose_name_plural = _("Children")
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def __str__(self):
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return self.name()
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def save(self, *args, **kwargs):
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self.slug = slugify(self, allow_unicode=True)
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super(Child, self).save(*args, **kwargs)
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cache.set(self.cache_key_count, Child.objects.count(), None)
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def delete(self, using=None, keep_parents=False):
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super(Child, self).delete(using, keep_parents)
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cache.set(self.cache_key_count, Child.objects.count(), None)
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def name(self, reverse=False):
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if not self.last_name:
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return self.first_name
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if reverse:
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return "{}, {}".format(self.last_name, self.first_name)
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return "{} {}".format(self.first_name, self.last_name)
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@classmethod
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def count(cls):
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"""Get a (cached) count of total number of Child instances."""
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return cache.get_or_set(cls.cache_key_count, Child.objects.count, None)
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class DiaperChange(models.Model):
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model_name = "diaperchange"
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child = models.ForeignKey(
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"Child",
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on_delete=models.CASCADE,
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related_name="diaper_change",
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verbose_name=_("Child"),
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)
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time = models.DateTimeField(blank=False, null=False, verbose_name=_("Time"))
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wet = models.BooleanField(verbose_name=_("Wet"))
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solid = models.BooleanField(verbose_name=_("Solid"))
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color = models.CharField(
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blank=True,
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choices=[
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("black", _("Black")),
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("brown", _("Brown")),
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("green", _("Green")),
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("yellow", _("Yellow")),
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],
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max_length=255,
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verbose_name=_("Color"),
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)
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amount = models.FloatField(blank=True, null=True, verbose_name=_("Amount"))
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notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
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tags = TaggableManager(blank=True, through=Tagged)
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objects = models.Manager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-time"]
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verbose_name = _("Diaper Change")
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verbose_name_plural = _("Diaper Changes")
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def __str__(self):
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return str(_("Diaper Change"))
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def attributes(self):
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attributes = []
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if self.wet:
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attributes.append(self._meta.get_field("wet").verbose_name)
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if self.solid:
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attributes.append(self._meta.get_field("solid").verbose_name)
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if self.color:
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attributes.append(self.get_color_display())
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return attributes
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def clean(self):
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validate_time(self.time, "time")
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# One or both of Wet and Solid is required.
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if not self.wet and not self.solid:
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raise ValidationError(
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_("Wet and/or solid is required."), code="wet_or_solid"
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)
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class Feeding(models.Model):
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model_name = "feeding"
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child = models.ForeignKey(
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"Child",
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on_delete=models.CASCADE,
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related_name="feeding",
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verbose_name=_("Child"),
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)
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start = models.DateTimeField(blank=False, null=False, verbose_name=_("Start time"))
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end = models.DateTimeField(blank=False, null=False, verbose_name=_("End time"))
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duration = models.DurationField(
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editable=False, null=True, verbose_name=_("Duration")
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)
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type = models.CharField(
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choices=[
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("breast milk", _("Breast milk")),
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("formula", _("Formula")),
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("fortified breast milk", _("Fortified breast milk")),
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("solid food", _("Solid food")),
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],
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max_length=255,
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verbose_name=_("Type"),
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)
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method = models.CharField(
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choices=[
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("bottle", _("Bottle")),
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("left breast", _("Left breast")),
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("right breast", _("Right breast")),
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("both breasts", _("Both breasts")),
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("parent fed", _("Parent fed")),
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("self fed", _("Self fed")),
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],
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max_length=255,
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verbose_name=_("Method"),
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)
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amount = models.FloatField(blank=True, null=True, verbose_name=_("Amount"))
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notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
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tags = TaggableManager(blank=True, through=Tagged)
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objects = models.Manager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-start"]
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verbose_name = _("Feeding")
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verbose_name_plural = _("Feedings")
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def __str__(self):
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return str(_("Feeding"))
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def save(self, *args, **kwargs):
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if self.start and self.end:
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self.duration = self.end - self.start
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super(Feeding, self).save(*args, **kwargs)
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def clean(self):
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validate_time(self.start, "start")
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validate_time(self.end, "end")
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validate_duration(self)
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validate_unique_period(Feeding.objects.filter(child=self.child), self)
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class Note(models.Model):
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model_name = "note"
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child = models.ForeignKey(
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"Child", on_delete=models.CASCADE, related_name="note", verbose_name=_("Child")
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)
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note = models.TextField(verbose_name=_("Note"))
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time = models.DateTimeField(
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default=timezone.now, blank=False, verbose_name=_("Time")
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)
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tags = TaggableManager(blank=True, through=Tagged)
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objects = models.Manager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-time"]
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verbose_name = _("Note")
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verbose_name_plural = _("Notes")
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def __str__(self):
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return str(_("Note"))
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class NapsManager(models.Manager):
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def get_queryset(self):
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qs = super(NapsManager, self).get_queryset()
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return qs.filter(id__in=[obj.id for obj in qs if obj.nap])
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class Sleep(models.Model):
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model_name = "sleep"
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child = models.ForeignKey(
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"Child", on_delete=models.CASCADE, related_name="sleep", verbose_name=_("Child")
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)
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napping = models.BooleanField(editable=False, null=True, verbose_name=_("Napping"))
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start = models.DateTimeField(blank=False, null=False, verbose_name=_("Start time"))
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end = models.DateTimeField(blank=False, null=False, verbose_name=_("End time"))
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duration = models.DurationField(
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editable=False, null=True, verbose_name=_("Duration")
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)
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notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
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tags = TaggableManager(blank=True, through=Tagged)
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objects = models.Manager()
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naps = NapsManager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-start"]
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verbose_name = _("Sleep")
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verbose_name_plural = _("Sleep")
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def __str__(self):
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return str(_("Sleep"))
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@property
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def nap(self):
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nap_start_min = timezone.datetime.strptime(
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settings.BABY_BUDDY["NAP_START_MIN"], "%H:%M"
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).time()
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nap_start_max = timezone.datetime.strptime(
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settings.BABY_BUDDY["NAP_START_MAX"], "%H:%M"
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).time()
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local_start_time = timezone.localtime(self.start).time()
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return nap_start_min <= local_start_time <= nap_start_max
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def save(self, *args, **kwargs):
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if self.start and self.end:
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self.duration = self.end - self.start
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self.napping = self.nap
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super(Sleep, self).save(*args, **kwargs)
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def clean(self):
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validate_time(self.start, "start")
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validate_time(self.end, "end")
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validate_duration(self)
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validate_unique_period(Sleep.objects.filter(child=self.child), self)
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class Temperature(models.Model):
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model_name = "temperature"
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child = models.ForeignKey(
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"Child",
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on_delete=models.CASCADE,
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related_name="temperature",
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verbose_name=_("Child"),
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)
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temperature = models.FloatField(
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blank=False, null=False, verbose_name=_("Temperature")
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)
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time = models.DateTimeField(blank=False, null=False, verbose_name=_("Time"))
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notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
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tags = TaggableManager(blank=True, through=Tagged)
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objects = models.Manager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-time"]
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verbose_name = _("Temperature")
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verbose_name_plural = _("Temperature")
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def __str__(self):
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return str(_("Temperature"))
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def clean(self):
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validate_time(self.time, "time")
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class Timer(models.Model):
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model_name = "timer"
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child = models.ForeignKey(
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"Child",
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blank=True,
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null=True,
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on_delete=models.CASCADE,
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related_name="timers",
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verbose_name=_("Child"),
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)
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name = models.CharField(
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blank=True, max_length=255, null=True, verbose_name=_("Name")
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)
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start = models.DateTimeField(
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default=timezone.now, blank=False, verbose_name=_("Start time")
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)
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end = models.DateTimeField(
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blank=True, editable=False, null=True, verbose_name=_("End time")
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)
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duration = models.DurationField(
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editable=False, null=True, verbose_name=_("Duration")
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)
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active = models.BooleanField(default=True, editable=False, verbose_name=_("Active"))
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user = models.ForeignKey(
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"auth.User",
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on_delete=models.CASCADE,
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related_name="timers",
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verbose_name=_("User"),
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)
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objects = models.Manager()
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class Meta:
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default_permissions = ("view", "add", "change", "delete")
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ordering = ["-active", "-start", "-end"]
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verbose_name = _("Timer")
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verbose_name_plural = _("Timers")
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def __str__(self):
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return self.name or str(format_lazy(_("Timer #{id}"), id=self.id))
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@property
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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
|
|
|
|
@property
|
|
def user_username(self):
|
|
"""Get Timer user's name with a preference for the full name."""
|
|
if self.user.get_full_name():
|
|
return self.user.get_full_name()
|
|
return self.user.get_username()
|
|
|
|
@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")
|
|
)
|
|
tags = TaggableManager(blank=True, through=Tagged)
|
|
|
|
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"))
|
|
notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
|
|
tags = TaggableManager(blank=True, through=Tagged)
|
|
|
|
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")
|
|
|
|
|
|
class Height(models.Model):
|
|
model_name = "height"
|
|
child = models.ForeignKey(
|
|
"Child",
|
|
on_delete=models.CASCADE,
|
|
related_name="height",
|
|
verbose_name=_("Child"),
|
|
)
|
|
height = models.FloatField(blank=False, null=False, verbose_name=_("Height"))
|
|
date = models.DateField(blank=False, null=False, verbose_name=_("Date"))
|
|
notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
|
|
tags = TaggableManager(blank=True, through=Tagged)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ("view", "add", "change", "delete")
|
|
ordering = ["-date"]
|
|
verbose_name = _("Height")
|
|
verbose_name_plural = _("Height")
|
|
|
|
def __str__(self):
|
|
return str(_("Height"))
|
|
|
|
def clean(self):
|
|
validate_date(self.date, "date")
|
|
|
|
|
|
class HeadCircumference(models.Model):
|
|
model_name = "head_circumference"
|
|
child = models.ForeignKey(
|
|
"Child",
|
|
on_delete=models.CASCADE,
|
|
related_name="head_circumference",
|
|
verbose_name=_("Child"),
|
|
)
|
|
head_circumference = models.FloatField(
|
|
blank=False, null=False, verbose_name=_("Head Circumference")
|
|
)
|
|
date = models.DateField(blank=False, null=False, verbose_name=_("Date"))
|
|
notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
|
|
tags = TaggableManager(blank=True, through=Tagged)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ("view", "add", "change", "delete")
|
|
ordering = ["-date"]
|
|
verbose_name = _("Head Circumference")
|
|
verbose_name_plural = _("Head Circumference")
|
|
|
|
def __str__(self):
|
|
return str(_("Head Circumference"))
|
|
|
|
def clean(self):
|
|
validate_date(self.date, "date")
|
|
|
|
|
|
class BMI(models.Model):
|
|
model_name = "bmi"
|
|
child = models.ForeignKey(
|
|
"Child", on_delete=models.CASCADE, related_name="bmi", verbose_name=_("Child")
|
|
)
|
|
bmi = models.FloatField(blank=False, null=False, verbose_name=_("BMI"))
|
|
date = models.DateField(blank=False, null=False, verbose_name=_("Date"))
|
|
notes = models.TextField(blank=True, null=True, verbose_name=_("Notes"))
|
|
tags = TaggableManager(blank=True, through=Tagged)
|
|
|
|
objects = models.Manager()
|
|
|
|
class Meta:
|
|
default_permissions = ("view", "add", "change", "delete")
|
|
ordering = ["-date"]
|
|
verbose_name = _("BMI")
|
|
verbose_name_plural = _("BMI")
|
|
|
|
def __str__(self):
|
|
return str(_("BMI"))
|
|
|
|
def clean(self):
|
|
validate_date(self.date, "date")
|