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)
@@ -15,12 +17,24 @@ class FundraisingGoal(models.Model):
def percentage_there(self):
return (self.fundraiser_so_far_amount / self.fundraiser_goal_amount ) * 100
class Meta:
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,
)