Joel-hanson

"""
- based no splits 1000 splits
- based on time eg 10s
- based on time interval 2:10 -> 2:50
- 10 people upload 1 gb 2 file daily
- we have design a system to split it into 1000 partitions


Solution:

Joel-hanson

def fibonacci(n):
    if n <= 2:
        return 1
    return fibonacci(n - 1) + fibonacci(n - 2)

Joel-hanson

from django.urls import path, include
from rest_framework import routers
from .views import UploadViewSet

router = routers.DefaultRouter()
router.register(r'upload', UploadViewSet, basename="upload")

# Wire up our API using automatic URL routing.
urlpatterns = [
    path('', include(router.urls)),

Joel-hanson

from rest_framework.serializers import Serializer, FileField

# Serializers define the API representation.
class UploadSerializer(Serializer):
    file_uploaded = FileField()
    class Meta:
        fields = ['file_uploaded']

Joel-hanson

from rest_framework.viewsets import ViewSet
from rest_framework.response import Response
from .serializers import UploadSerializer

# ViewSets define the view behavior.
class UploadViewSet(ViewSet):
    serializer_class = UploadSerializer

    def list(self, request):
        return Response("GET API")

Joel-hanson

class BookModelSerializer(ModelSerializer):
    authors = SerializerMethodField("get_author_serializer")
    publisher = SerializerMethodField("get_publisher_serializer")
    
    class Meta:
        model = Book
        fields = '__all__'
        
    def get_author_serializer(self, obj):
        request = self.context.get('request')

Joel-hanson

from rest_framework.routers import DefaultRouter
from .views import BookModelViewSet

router = DefaultRouter(trailing_slash=False)
router.register(r'book', BookModelViewSet, base_name='book')


urlpatterns = router.urls

Joel-hanson

from rest_framework.viewsets import ModelViewSet
from rest_framework.authentication import SessionAuthentication
from .serializers import BookModelSerializer
from .models import Book

# Create your views here.

class BookModelViewSet(ModelViewSet):
    """
    A simple ViewSet for viewing and editing books.

Joel-hanson

from django.db import models

# Create your models here.

class Publisher(models.Model):
    name = models.CharField(max_length=30, blank=False)
    address = models.CharField(max_length=50, blank=False)
    city = models.CharField(max_length=60, blank=False)
    state_province = models.CharField(max_length=30, blank=False)
    country = models.CharField(max_length=50, blank=False)

Joel-hanson

from rest_framework.serializers import ModelSerializer, SerializerMethodField
from .models import Book, Publisher, Author

class PublisherModelSerializer(ModelSerializer):
    """
    A ModelSerializer that takes an additional `fields` argument that
    controls which fields should be displayed.
    """

    def __init__(self, *args, **kwargs):