is_complete == True

Pipfile

@@ -0,0 +1,16 @@
+[[source]]
+name = "pypi"
+verify_ssl = true
+url = "https://pypi.org/simple"
+
+[packages]
+django = "==1.11"
+gunicorn = "*"
+whitenoise = "*"
+dj-database-url = "*"
+africastalking = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.5.2"

Procfile

@@ -0,0 +1 @@
+web: gunicorn ussd_app.wsgi --log-file -

core/admin.py

@@ -0,0 +1,6 @@
+from django.contrib import admin
+from .models import Transaction, WL_Account
+# Register your models here.
+
+admin.site.register(Transaction)
+admin.site.register(WL_Account)

core/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'

core/models.py

@@ -0,0 +1,88 @@
+from django.db import models
+
+# Create your models here.
+class WL_Account(models.Model):
+    phone_number = models.CharField(max_length=25)
+    #credit
+    balance = models.DecimalField(default=0, max_digits=10, decimal_places=2)
+    #owing
+    debt = models.DecimalField(default=0, max_digits=10, decimal_places=2)
+    bank_name = models.CharField(max_length=30, blank=True)
+    bank_code = models.IntegerField(null=True)
+    account_name = models.CharField(max_length=60, blank=True)
+    account_number = models.CharField(max_length=10, blank=True)
+    reg_data = models.DateField(auto_now_add=True)
+
+    @classmethod
+    def get_wl_account(cls, phone_number):
+        try:
+            customer = cls.objects.get(phone_number=phone_number)
+        except:
+            customer = None
+        return customer
+
+    def get_last_transaction(self, status):
+        if status == Transaction.PENDING:
+            transaction_instance = self.transactions.filter(status=Transaction.PENDING).last()
+        else:
+            transaction_instance = self.transaction.last()
+        return transaction_instance
+
+    def repay_debts(self):
+        if self.balance > self.debt:
+            self.balance -= self.debt
+            self.debt = 0
+            self.save()
+            return "END your debt has been successfully cleared"
+
+        if self.debt == 0:
+            return "END You don't have any outstanding debts"
+
+        if self.balance < self.debt:
+            return "END You don't have sufficient money to repay your loan. Try depositing money"
+
+    def __str__(self):
+        return "{}".format(self.phone_number)
+
+class Transaction(models.Model):
+    LOAN = 'loan'
+    DEPOSIT = 'deposit'
+    PENDING = 'pending'
+    APPROVED = 'approved'
+    CONCLUDED = 'concluded'
+    PAYED = 'payed'
+    NOT_PAYED = 'not_paid'
+    DECLINED = 'declined'
+
+    TRANSACTION_TYPES = (
+        (LOAN, 'Loan'),
+        (DEPOSIT, 'Deposit')
+    )
+
+    STATUS_TYPE = (
+        (PENDING, 'Pending'),
+        (CONCLUDED, 'Concluded'),
+        (PAYED, 'Payed'),
+        (NOT_PAYED, 'Not Payed'),
+        (DECLINED, 'Declined'),
+        (APPROVED, 'Approved')
+    )
+
+    transaction_id = models.CharField(max_length=255)
+    status=models.CharField(max_length=30,null=True, choices=STATUS_TYPE)
+    type = models.CharField(max_length=30, null=True, choices=TRANSACTION_TYPES)
+    amount = models.DecimalField(null=True, max_digits=10, decimal_places=2)
+    transaction_fee = models.DecimalField(null=True, max_digits=10, decimal_places=2)
+    date=models.DateField(auto_now_add=True)
+    account = models.ForeignKey(WL_Account, related_name="transactions")
+
+    def mark_as_paid(self, **kwargs):
+        self.status = self.CONCLUDED
+        self.save()
+        self.account.balance += self.amount
+        self.account.save()
+        return self.account.balance
+
+    def update_debt_balance(self, amount):
+        self.account.debt += amount
+        self.account.save()

core/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.