48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from __future__ import division
|
|
from builtins import object
|
|
import random
|
|
|
|
from django.db import models
|
|
|
|
|
|
class FundraisingGoal(models.Model):
|
|
"""Conservancy fundraiser Goal"""
|
|
|
|
fundraiser_code_name = models.CharField(max_length=200, blank=False, unique=True)
|
|
fundraiser_goal_amount = models.DecimalField(max_digits=10, decimal_places=2)
|
|
fundraiser_so_far_amount = models.DecimalField(max_digits=10, decimal_places=2)
|
|
fundraiser_donation_count = models.IntegerField()
|
|
fundraiser_donation_count_disclose_threshold = models.IntegerField()
|
|
fundraiser_endtime = models.DateTimeField(null=True)
|
|
|
|
def __str__(self):
|
|
return self.fundraiser_code_name
|
|
|
|
def percentage_there(self):
|
|
return self.fundraiser_so_far_amount / self.fundraiser_goal_amount * 100
|
|
|
|
class Meta(object):
|
|
ordering = ('fundraiser_code_name',)
|
|
|
|
def providers(self):
|
|
return GoalProvider.objects.filter(fundraising_goal=self)
|
|
|
|
def random_providers(self, k=None):
|
|
providers = self.providers()
|
|
if not providers.exists():
|
|
return None
|
|
elif k is None:
|
|
return random.choice(providers)
|
|
else:
|
|
return random.sample(providers, k)
|
|
|
|
|
|
class GoalProvider(models.Model):
|
|
fundraising_goal = models.ForeignKey(
|
|
'FundraisingGoal',
|
|
on_delete=models.CASCADE,
|
|
)
|
|
provider_name = models.CharField(max_length=512)
|
|
|
|
def __str__(self):
|
|
return self.provider_name
|