add basic payment settings

Pipfile

@@ -16,6 +16,7 @@ django-cors-headers = "*"
 gunicorn = "*"
 django-rest-swagger = "*"
 "django-sendgrid-v5" = "*"
+django-payments = "*"
 
 [dev-packages]
 pylint = "*"

ydl_api/api/migrations/0005_auto_20180621_0005.py

@@ -0,0 +1,58 @@
+# Generated by Django 2.0.6 on 2018-06-20 22:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0004_auto_20180620_1443'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Payment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('variant', models.CharField(max_length=255)),
+                ('status', models.CharField(choices=[('waiting', 'Waiting for confirmation'), ('preauth', 'Pre-authorized'), ('confirmed', 'Confirmed'), ('rejected', 'Rejected'), ('refunded', 'Refunded'), ('error', 'Error'), ('input', 'Input')], default='waiting', max_length=10)),
+                ('fraud_status', models.CharField(choices=[('unknown', 'Unknown'), ('accept', 'Passed'), ('reject', 'Rejected'), ('review', 'Review')], default='unknown', max_length=10, verbose_name='fraud check')),
+                ('fraud_message', models.TextField(blank=True, default='')),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('modified', models.DateTimeField(auto_now=True)),
+                ('transaction_id', models.CharField(blank=True, max_length=255)),
+                ('currency', models.CharField(max_length=10)),
+                ('total', models.DecimalField(decimal_places=2, default='0.0', max_digits=9)),
+                ('delivery', models.DecimalField(decimal_places=2, default='0.0', max_digits=9)),
+                ('tax', models.DecimalField(decimal_places=2, default='0.0', max_digits=9)),
+                ('description', models.TextField(blank=True, default='')),
+                ('billing_first_name', models.CharField(blank=True, max_length=256)),
+                ('billing_last_name', models.CharField(blank=True, max_length=256)),
+                ('billing_address_1', models.CharField(blank=True, max_length=256)),
+                ('billing_address_2', models.CharField(blank=True, max_length=256)),
+                ('billing_city', models.CharField(blank=True, max_length=256)),
+                ('billing_postcode', models.CharField(blank=True, max_length=256)),
+                ('billing_country_code', models.CharField(blank=True, max_length=2)),
+                ('billing_country_area', models.CharField(blank=True, max_length=256)),
+                ('billing_email', models.EmailField(blank=True, max_length=254)),
+                ('customer_ip_address', models.GenericIPAddressField(blank=True, null=True)),
+                ('extra_data', models.TextField(blank=True, default='')),
+                ('message', models.TextField(blank=True, default='')),
+                ('token', models.CharField(blank=True, default='', max_length=36)),
+                ('captured_amount', models.DecimalField(decimal_places=2, default='0.0', max_digits=9)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='credit',
+            field=models.DecimalField(decimal_places=2, default=0, max_digits=19),
+        ),
+        migrations.AlterField(
+            model_name='calendarentry',
+            name='date',
+            field=models.DateTimeField(),
+        ),
+    ]

ydl_api/api/models.py

@@ -1,6 +1,10 @@
 from django.db import models
 from django.contrib.auth.models import AbstractUser
 from django.core.validators import MinValueValidator
+from decimal import Decimal
+
+from payments import PurchasedItem
+from payments.models import BasePayment
 
 class Language(models.Model):
     name = models.CharField(max_length=100)
@@ -17,6 +21,7 @@ def upload_to(self, filename):
     isEmailActivated = models.BooleanField(default=False)
     profile_picture = models.ImageField(upload_to = upload_to, blank=True)
     languages = models.ForeignKey(Language, on_delete=models.CASCADE, blank=True, null=True)
+    credit = models.DecimalField(max_digits=19, decimal_places=2, default=0)
 
     def save(self, *args, **kwargs):
         super().save(*args, **kwargs)
@@ -33,6 +38,7 @@ def __str__(self):
 class Student(models.Model):
     user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
     courses = models.ManyToManyField('Course', blank = True)
+    # paid_courses = models.ManyToManyField('Course', blank = True)
 
     def __str__(self):
         return str(self.user)
@@ -41,7 +47,6 @@ class Meta:
         verbose_name = ('student')
         verbose_name_plural = ('students')
 
-
 class Teacher(models.Model):
     user = models.OneToOneField(User, on_delete=models.CASCADE, primary_key=True)
 
@@ -67,7 +72,6 @@ class Meta:
 class Course(models.Model):
     name = models.CharField(max_length=100)
     description = models.CharField(max_length=512)
-    # students = models.ManyToManyField(Student)
     teacher = models.ForeignKey(Teacher, on_delete=models.CASCADE)
     deadline = models.DateTimeField()
     student_count = models.IntegerField(validators=[MinValueValidator(0)], default=0)
@@ -82,6 +86,8 @@ class Meta:
         verbose_name = ('course')
         verbose_name_plural = ('courses')
 
+#class PaidCourse(models.Model):
+
 
 class Announcement(models.Model):
     title = models.CharField(max_length=100)
@@ -140,3 +146,16 @@ class Meta:
 
     def __str__(self):
         return self.matter
+
+class Payment(BasePayment):
+
+    def get_failure_url(self):
+        return 'https://ydlearning.com/failure/'
+
+    def get_success_url(self):
+        return 'https://ydlearning.com/success/'
+
+    def get_purchased_items(self):
+        # you'll probably want to retrieve these from an associated order
+        yield PurchasedItem(name='The Hound of the Baskervilles', sku='BSKV',
+                            quantity=9, price=Decimal(10), currency='USD')