brewery-website/beer/models.py

218 lines
7.1 KiB
Python

from django.db import models
from django.utils import timezone
from django_cryptography.fields import encrypt
from django.core.validators import MinValueValidator
from config.extras import BREWFATHER_APP_ROOT
from django.conf import settings
import logging
logger = logging.getLogger('django')
class CustomModel(models.Model):
""" Custom model class with default fields to use. """
created_date = models.DateTimeField(default=timezone.now)
class Meta:
abstract = True
class UserProfile(CustomModel):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
brewfather_api_user = encrypt(models.TextField(max_length=128))
brewfather_api_key = encrypt(models.TextField(max_length=128))
def __str__(self):
return self.user.username
class Batch(CustomModel):
brewfather_id = models.CharField(max_length=50)
brewfather_num = models.IntegerField(default=1)
brewfather_name = models.CharField(max_length=500, default='name')
recipe = models.OneToOneField('BatchRecipe', on_delete=models.CASCADE, default=1)
@property
def brewfather_url(self):
return '{}/tabs/batches/batch/{}'.format(BREWFATHER_APP_ROOT, self.brewfather_id)
def __str__(self):
# Return a string that represents the instance
return 'BF #{num}: {name}'.format(name=self.brewfather_name, num=self.brewfather_num)
#-----------------------------------------------------------------------
# Recipe Stuff
#-----------------------------------------------------------------------
class Unit(CustomModel):
unit_types = {
'WT': 'Weight',
'VL': 'Volume',
}
""" Recipe to be stored with a batch."""
name = models.CharField(max_length=50)
unit_type = models.CharField(max_length=3, choices=unit_types, default='WT')
def __str__(self):
return self.name
class Supplier(CustomModel):
name = models.CharField(max_length=50)
def __str__(self):
return self.name
class CustomIngredient(CustomModel):
""" Custom model class with default fields to use. """
created_date = models.DateTimeField(default=timezone.now)
name = models.CharField(max_length=50)
units = models.ForeignKey(Unit, on_delete=models.PROTECT)
unit_cost = models.DecimalField(max_digits=6, decimal_places=2, null=True, blank=True)
supplier = models.ForeignKey(Supplier, on_delete=models.PROTECT, null=True, blank=True)
notes = models.TextField(max_length=500, blank=True, null=True)
user_notes = models.TextField(max_length=500, blank=True, null=True)
class Meta:
abstract = True
class BatchRecipe(CustomModel):
""" Recipe to be stored with a batch."""
name = models.CharField(max_length=50)
batch_recipe = models.BooleanField(null=True)
recipe_json = models.TextField(null=True, blank=True)
mash = models.ForeignKey('Mash' , on_delete=models.PROTECT, null=True, blank=True)
efficiency = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
def __str__(self):
return self.name
class Fermentable(CustomIngredient):
categories = {
1: 'Base',
2: 'Wheat/Oat',
3: 'Crystal',
4: 'Roasted',
5: 'Acid',
}
types = {
1: 'Grain',
2: 'Adjunct',
}
grain_category = models.IntegerField(choices=categories, default=1)
fermentable_type = models.IntegerField(choices=types, default=1)
diastatic_power = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
potential = models.DecimalField(max_digits=6, decimal_places=4)
protein = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
attenuation = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
lovibond = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
max_in_batch = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
moisture = models.DecimalField(max_digits=6, decimal_places=4, null=True, blank=True)
non_fermentable = models.BooleanField(null=True, blank=True)
ibu_per_unit = models.DecimalField(max_digits=6, decimal_places=4, default=0)
def __str__(self):
return self.name
class RecipeFermentable(CustomModel):
recipe = models.ForeignKey(BatchRecipe, on_delete=models.CASCADE)
fermentable = models.ForeignKey(Fermentable, on_delete=models.CASCADE)
quantity = models.DecimalField(max_digits=6, decimal_places=4)
class Hop(CustomIngredient):
uses = {
1: 'Bittering',
2: 'Aroma',
3: 'Both',
}
types = {
1: 'Pellet',
2: 'Leaf',
3: 'Cryo',
4: 'CO2 Extract',
}
ibu = models.DecimalField(max_digits=6, decimal_places=4, default=0)
use = models.IntegerField(choices=uses, default=1)
hop_type = models.IntegerField(choices=types, default=1)
alpha = models.DecimalField(max_digits=6, decimal_places=2, default=0)
def __str__(self):
return self.name
class RecipeHop(CustomModel):
uses = {
1: 'Boil',
2: 'Dry Hop',
3: 'Aroma (Hop Stand)',
4: 'Mash',
5: 'First Wort'
}
recipe = models.ForeignKey(BatchRecipe, on_delete=models.CASCADE)
hop = models.ForeignKey(Hop, on_delete=models.CASCADE)
quantity = models.DecimalField(max_digits=6, decimal_places=4)
time = models.IntegerField(default=60, validators=[MinValueValidator(0)])
use = models.IntegerField(choices=uses, default=1)
class Misc(CustomIngredient):
uses = {
1: 'Mash',
2: 'Sparge',
3: 'Boil',
4: 'Flamout',
5: 'Primary',
6: 'Secondary',
7: 'Cold Crash',
8: 'Bottling',
}
types = {
1: 'Spice',
2: 'Fining',
3: 'Water Agent',
4: 'Herb',
5: 'Flavor',
6: 'Other',
}
use = models.IntegerField(choices=uses, default=1)
misc_type = models.IntegerField(choices=types, default=1)
water_adjustment = models.BooleanField(null=True, blank=True)
def __str__(self):
return self.name
class RecipeMisc(CustomModel):
recipe = models.ForeignKey(BatchRecipe, on_delete=models.CASCADE)
misc = models.ForeignKey(Misc, on_delete=models.CASCADE)
quantity = models.DecimalField(max_digits=6, decimal_places=4)
def __str__(self):
return self.name
class RecipeYeast(CustomModel):
recipe = models.ForeignKey(BatchRecipe, on_delete=models.CASCADE)
yeast = models.ForeignKey('yeast.Strain', on_delete=models.CASCADE)
class Mash(CustomModel):
name = models.CharField(max_length=50)
def __str__(self):
return self.name
class MashStep(CustomModel):
step_types = {
1: 'infusion',
2: 'temperature',
3: 'decoction',
}
name = models.CharField(max_length=50)
step_temp = models.DecimalField(max_digits=6, decimal_places=2)
ramp_time = models.DecimalField(max_digits=6, decimal_places=2)
step_time = models.DecimalField(max_digits=6, decimal_places=2)
step_type = models.IntegerField(choices=step_types, default=1)
parent_mash = models.ForeignKey(Mash, on_delete=models.CASCADE)
def __str__(self):
return self.name