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from django.db import models
from django.conf import settings
from auditlog.registry import auditlog
from auditlog.models import AuditlogHistoryField
# from django.contrib.auth import get_user_model
from datetime import datetime
from django.core.exceptions import ObjectDoesNotExist
from .misc import get_week_dates, paperwork_user_directory_path, \
get_week_dates_datetime
from django.core.urlresolvers import reverse
import re
# Create your models here.
class Customer(models.Model):
history = AuditlogHistoryField()
name = models.CharField(max_length=256)
address = models.CharField(max_length=256)
phone_number = models.DecimalField(max_digits=16,decimal_places=0)
email_address = models.CharField(max_length=256)
contact_name = models.CharField(max_length=256)
def __str__(self):
return self.name
def has_paperwork(self, dt=None):
week_dates = get_week_dates_datetime(dt)
loads = self.load_set.filter(
date__range=(week_dates['start_date'],
week_dates['end_date']))
if len(loads) >= 1:
for l in loads:
if len(l.paperwork_set.all()) >=1:
return True
return False
class Load(models.Model):
history = AuditlogHistoryField()
date = models.DateField()
user = models.ForeignKey(settings.AUTH_USER_MODEL)
customer = models.ForeignKey(Customer)
description = models.CharField(max_length=256)
delivered_to = models.CharField(max_length=256, default="")
amount = models.DecimalField(max_digits=10,decimal_places=2, default="0")
def __str__(self):
return "Load, Customer: {c}, Description: {d} Amount: {a}".format(
c=self.customer, d=self.description, a=self.amount)
def get_absolute_url(self):
return "/loads/view/%i" % self.id
def can_invoice(self):
# Prevent $0 and $1 invoices as well as loads w/o attachments
if self.amount >= 2 and len(self.paperwork_set.all()) >= 1:
return True
else:
return False
def has_related_paid_invoices(self):
wk = get_week_dates_datetime(self.date)
inv = Invoice.objects.filter(
invoice_date__range=(wk['start_date'],
wk['end_date']),
user=self.user,
paid=True)
if len(inv) >= 1:
return True
else:
return False
class Paperwork(models.Model):
load = models.ForeignKey(Load, on_delete=models.CASCADE)
document = models.FileField(upload_to=paperwork_user_directory_path)
def __str__(self):
# It's a terrible fucking hack, but it works
return re.sub('paperwork\/\d+\/[a-zA-z0-9]+-', '', str(self.document))
# return "%s" % self.load
class Identity(models.Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
name = models.CharField(max_length=256)
address = models.CharField(max_length=256)
city = models.CharField(max_length=256)
state = models.CharField(max_length=256)
zip_code = models.CharField(max_length=256)
def __str__(self):
return "{}".format(self.name)
def set_default(self):
try:
st = Settings.objects.get(key="default_bill_to")
st.value = str(self.pk)
st.save()
except ObjectDoesNotExist:
st = Settings(key="default_bill_to", value=int(self.pk))
st.save()
def get_absolute_url(self):
return '/drivers/view/{:d}'.format(self.user.pk)
class Settings(models.Model):
key = models.CharField(max_length=256)
value = models.CharField(max_length=256)
def __str__(self):
return "{}: {}".format(self.key, self.value)
class UserInvoiceNumber(models.Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
number = models.IntegerField(default=1200)
def get_absolute_url(self):
return '/drivers/view/{:d}'.format(self.user.pk)
class Invoice(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
owner = models.ForeignKey(Identity, on_delete=models.CASCADE, related_name="owner")
bill_to = models.ForeignKey(Identity, on_delete=models.CASCADE, related_name="bill_to")
invoice_id = models.IntegerField()
invoice_date = models.DateField()
due_date = models.DateField()
paid = models.BooleanField(default=False)
payment_identifier = models.CharField(default="", max_length=256)
def __str__(self):
return "Invoice for {} by {} for ${}".format(
self.bill_to.name,
self.owner.name,
self.total())
def setup(self):
try:
uinv = UserInvoiceNumber.objects.get(user=self.user.pk)
uinv.number += 1
uinv.save()
self.invoice_id = uinv.number
except ObjectDoesNotExist:
uinv = UserInvoiceNumber()
uinv.user = self.user
uinv.save()
self.invoice_id = uinv.number
self.owner = Identity.objects.get(user=self.user.pk)
bill_to_id = Settings.objects.get(key='default_bill_to')
self.bill_to = Identity.objects.get(pk=int(bill_to_id.value))
def populate_bill_to(self):
pk = Settings.objects.get(key="default_bill_to").value
self.bill_to = Identity.objects.get(pk=pk)
def populate_owner(self):
self.owner = Identity.objects.get(user=self.user.pk)
def populate_items_default_date(self):
wk = get_week_dates()
return self.populate_items(start_date=wk['start_date'],
end_date=wk['end_date'])
def populate_items(self, start_date, end_date):
loads = Load.objects.filter(user__exact=self.user.id, date__range=(start_date, end_date))
for load in loads:
i = InvoiceItem(invoice=self,
date=load.date,
description=load.description,
quantity=1,
amount=load.amount)
i.save()
def clear_items(self):
items = self.items()
for item in items:
item.delete()
def items(self):
return InvoiceItem.objects.filter(invoice__exact=self.pk)
def items_by_date(self):
return InvoiceItem.objects.filter(invoice__exact=self.pk).order_by('date')
def total(self):
t = 0
for i in InvoiceItem.objects.filter(invoice__exact=self.pk):
t += i.total()
return t
def get_absolute_url(self):
return "/invoices/view/%i" % self.pk
class InvoiceItem(models.Model):
invoice = models.ForeignKey(Invoice, on_delete=models.CASCADE)
date = models.DateField()
description = models.CharField(max_length=256)
quantity = models.IntegerField()
amount = models.DecimalField(max_digits=19,decimal_places=2)
def __str__(self):
return "Invoice ID: {} Item: {} for ${}".format(
self.invoice.pk,
self.description,
self.amount)
def total(self):
return self.quantity*self.amount
auditlog.register(Invoice)
auditlog.register(UserInvoiceNumber)
auditlog.register(Identity)
auditlog.register(Customer)
auditlog.register(Load)
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