kdervis/GCard

G Card ~ Express Way To E-Commerce

G Card your express way to buying products on internet without Sharing Credit Card Info.
You can use this card to charge your main card once. You can get the disposable cards from the selected mall in the your city (more info: /wcibd-cards/)

How Work G Card System

We have x reseller mall. They are selling Disposable GCards. Procsess of the buying a product:

1. Register G Cards and get a card ID
2. Select one of them and get their adress.
3. Enter /wcibd-cards/ in your browser. Select your city and district and see the list of offical sellers list
4. Buy a disposable card (what amount what you want) and open G Card Site again
5. Click Add Balance & Click A Product and Buy IT

and you get the product 😄 Good Luck

GCard Models Description

GCard is a open-source project for the contirbuting open-source system and we are sharing our all code in github. This Page is telling developers our model classes.

card_digit_gen function

def card_digit_gen ():
    return uuid.uuid4().hex[:8]

This function provides us to generate unique main card id

Card Model

class Card(models.Model):
    digits = models.CharField(max_length=8, default=card_digit_gen, unique=True)
    balance = models.PositiveSmallIntegerField(default=0)
    def __str__(self):
        return "Card No: {no} \n Card Balance: {balance}".format(no=self.digits, balance=self.balance)

This Model Provides Us To Generate Main Card.

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Digits: digits = generating unique id for main card

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Balance: balance = Storages Total Card Balance as Positive S. Integer

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Card's str

def __str__(self):
    return "Card No: {no} \n Card Balance: {balance}".format(no=self.digits, balance=self.balance)

Example Result:

    Card Balance: 150 

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Product Model

class Product(models.Model):
    title = models.CharField(max_length=100)
    desc = models.TextField()
    price = models.PositiveSmallIntegerField(default=0)
    image = models.URLField()
    def __str__(self):
	return "Title: {title} \n Description: {desc} \n Price: {price} \n Image Url:                             {im}".format(title=self.title, desc=self.desc, price=self.price, im=self.image)

This Model Provides Us To Add A Product To Database.

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Title: title = It contains product's name

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Desc: desc = It contains product's description

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Price: price = It contains product's price as integer

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Image: image = It contains product's as URL

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def __str__(self):
    return "Title: {title} \n Description: {desc} \n Price: {price} \n Image Url:  {im}".format(title=self.title, desc=self.desc, price=self.price, im=self.image)

Example Result:

   Description: A Logitech Mouse with 4 Button in the Left side
   Price: 70
   Image Url: https://imageurl.com

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card_digit_gen function

def paymentcard_digit_gen ():
    return uuid.uuid4().hex[:10]

This function provides us to generate unique disposable card id

Card Model

class PaymentCard(models.Model):
    digits = models.CharField(max_length=10, default=paymentcard_digit_gen, unique=True)
    balance = models.PositiveSmallIntegerField(default=0)
    used = models.BooleanField(default=False)
    def __str__(self):
return "Card No: {dig} \n Card Balance: {bal} \n Is Card Used: {used} ".format(dig=self.digits, bal=self.balance, used=self.used)

This Model Provides Us To Generate Main Card.

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Digits: digits = generating unique id for disposable card

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Balance: balance = storages disposable card balance as Positive S. Integer

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Used: used = Is the disposable card used or not

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def __str__(self):
    return "Card No: {dig} \n Card Balance: {bal} \n Is Card Used: {used} ".format(dig=self.digits, bal=self.balance, used=self.used)

Example Result:

    Card Balance: 50 

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