Saner directory structure

dusken/models.py

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+import django
+from django.db import models
+
+class Country(models.Model):
+    name = models.CharField(max_length=50, unique=True)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+class Address(models.Model):
+    street_address = models.CharField(max_length=255)
+    city = models.CharField(max_length=100)
+    country = models.ForeignKey(Country)
+    postal_code = models.CharField(max_length=10)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+class Institution(models.Model):
+    name = models.CharField(max_length=255)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+class PlaceOfStudy(models.Model):
+    from_date = models.DateField()
+    institution = models.ForeignKey(Institution)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+class Member(django.contrib.auth.models.User):
+    phone_number = models.IntegerField(unique=True, null=True, blank=True)
+    date_of_birth = models.DateField(blank=True, null=True)
+    legacy_id = models.IntegerField(unique=True, null=True, blank=True)
+    address = models.ForeignKey(Address, null=True, blank=True)
+    place_of_study = models.ManyToManyField(PlaceOfStudy, null=True, blank=True)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+class FacebookAuth(models.Model):
+    token = models.CharField(max_length=255, unique=True, null=True, blank=True)
+    token_expires = models.DateTimeField(null=True, blank=True)
+    member = models.OneToOneField(Member, null=True, blank=True)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+    
+class GoogleAuth(models.Model):
+    token = models.CharField(max_length=255, unique=True, null=True, blank=True)
+    token_expires = models.DateTimeField(null=True, blank=True)
+    member = models.OneToOneField(Member, null=True, blank=True)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+class ExtendedMemberDetail(models.Model):
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+    pass
+
+class PaymentForMembership(models.Model):
+    # Note: More like tokens?
+    sms_payment_id = models.IntegerField(unique=True, null=True, blank=True)
+    webshop_payment_id = models.IntegerField(unique=True, null=True, blank=True)
+    voucher_id = models.IntegerField(unique=True, null=True, blank=True)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+'''
+   TODO: should validate end_day_of_month and end_month (use datetime exceptions)
+'''
+class MembershipType(models.Model):
+    name = models.CharField(max_length=50, unique=True)
+    duration_months = models.IntegerField(default=12)
+    end_day_of_month = models.IntegerField(default=31)
+    end_month = models.IntegerField(default=7)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+    def end_date(self):
+        import datetime
+        now = datetime.datetime.now()
+        year = now.year + (now.month - 1 + self.duration_months) / 12
+        month = (now.month - 1 + self.duration_months) % 12 + 1
+
+        end1 = datetime.datetime(year, month, now.day, 0, 0, 0)
+        end2 = None
+        # closest date which fullfills the day, month and duration specified
+        if now.month < self.end_month or (now.month == self.end_month and now.day < self.end_day_of_month):
+            end2 = datetime.datetime(now.year, self.end_month, self.end_day_of_month)
+        else:
+            end2 = datetime.datetime(now.year+1, self.end_month, self.end_day_of_month)
+
+        return min(end1, end2)
+
+class Membership(models.Model):
+    start_date = models.DateField()
+    mtype = models.ForeignKey(MembershipType, db_column='type')
+    payment = models.ForeignKey(PaymentForMembership, unique=True, null=True, blank=True)
+    member = models.ForeignKey(Member)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+    def expires(self):
+        return self.mtype.end_date()
+
+class Group(django.contrib.auth.models.Group):
+    posix_name = models.CharField(max_length=255, unique=True)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+