Models

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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