[英]wrap multiple values in single JSON and store in model - Django
[英]Store multiple inputs values of form in single json to store in model field. - Django
我正在从事一个在线打印订购服务的项目。
在订单页面上,我在表单的单选按钮列表中获得了产品的不同属性,以及我想要存储在数据库中的单个 json 中的所有属性。
模型.py
class Product(models.Model):
prod_ID = models.AutoField("Product ID", primary_key=True)
prod_Name = models.CharField("Product Name", max_length=30, null=False)
prod_Desc = models.CharField("Product Description", max_length=2000, null=False)
prod_Price = models.IntegerField("Product Price/Piece", default=0.00)
prod_img = models.ImageField("Product Image", null=True)
def __str__(self):
return "{}-->{}".format(self.prod_ID,
self.prod_Name)
# this is the order table , there is a "attribute_field" I wantto store the attributes in this field
# as JSON.
class Order(models.Model):
order_id = models.AutoField("Order ID", primary_key=True)
user_id = models.ForeignKey(User, on_delete=models.CASCADE, null=False, verbose_name="Customer ID")
prod_id = models.ForeignKey(Product, on_delete=models.CASCADE, null=False, verbose_name="Product ID")
quantity = models.ImageField('Product Quantity', max_length=10, default=500)
attribute_value = models.CharField("Item Details JSON", max_length=2000, null=False)
order_date = models.DateField("Order Date", auto_now_add=True, null=False)
order_job_title = models.CharField("Name of Company/Business", max_length=100, null=False)
order_desc = models.CharField("Details for Product", max_length=1000, null=False)
product_img = models.ImageField("Template Image", null=False)
address = models.CharField("Customer Address ", max_length=100, null=False)
state = models.CharField("Customer State", max_length=30, null=False)
city = models.CharField("Customer City", max_length=30, null=False)
postal_code = models.IntegerField("Area Pin Code", null=False)
order_price = models.DecimalField(max_digits=8, decimal_places=2, default=0000.00)
class Size(models.Model):
size_id = models.AutoField("Size ID", primary_key=True, auto_created=True)
prod_size = models.CharField("Product Size", max_length=20, null=False)
def __str__(self):
return "{size_id}-->{prod_size}".format(size_id=self.size_id,
prod_size=self.prod_size)
class Color(models.Model):
color_id = models.AutoField("Color ID", primary_key=True, auto_created=True)
prod_color = models.CharField("Product Color", max_length=50, null=False)
def __str__(self):
return "{color_id}-->{prod_color}".format(color_id=self.color_id,
prod_color=self.prod_color)
class PaperChoice(models.Model):
paper_id = models.AutoField("Paper Choice ID", primary_key=True, auto_created=True)
paper_choices_name = models.CharField("Paper Choices", max_length=50, null=False)
def __str__(self):
return "{}-->{}".format(self.paper_id,
self.paper_choices_name)
class SizeProductMapping(models.Model):
size_p_map_id = models.AutoField("Size & Product Map ID", primary_key=True, auto_created=True)
size_id = models.ForeignKey(Size, null=False, on_delete=models.CASCADE, verbose_name="Size ID")
prod_id = models.ForeignKey(Product, null=False, on_delete=models.CASCADE, verbose_name="Product Id")
class ColorProductMapping(models.Model):
color_p_map_id = models.AutoField("Color & Product Map ID", primary_key=True, auto_created=True)
color_id = models.ForeignKey(Color, null=False, on_delete=models.CASCADE, verbose_name="Color ID")
prod_id = models.ForeignKey(Product, null=False, on_delete=models.CASCADE, verbose_name="Product Id")
class PaperChoiceProductMapping(models.Model):
paper_p_map_id = models.AutoField("Paper Choices & Product Map ID", primary_key=True, auto_created=True)
paper_id = models.ForeignKey(PaperChoice, null=False, on_delete=models.CASCADE, verbose_name="Paper ID")
prod_id = models.ForeignKey(Product, null=False, on_delete=models.CASCADE, verbose_name="Product Id")
这是我的views.py,它不完整,我想使用这个将forms数据存储在model中
看法。 视图.py
#here in thi view method I am only getting data from models but not getting template data to store in the the model,
# I know I haven't taken inputs from the form here
# I haven't done because I don't know what logic I should use here.
def order(request, id):
products = Product.objects.all()
sizesList = []
ColorsList = []
PaperChoiceProductsList = []
try:
sizesMap = SizeProductMapping.objects.filter(prod_id=id)
sizesList = [data.size_id.prod_size for data in sizesMap]
except AttributeError:
pass
try:
colorMap = ColorProductMapping.objects.filter(prod_id=id)
ColorsList = [data.color_id.prod_color for data in colorMap]
except AttributeError:
pass
try:
PaperChoiceProductMap = PaperChoiceProductMapping.objects.filter(prod_id=id)
PaperChoiceProductsList = [data.paper_id.paper_choices_name for data in PaperChoiceProductMap]
except AttributeError:
pass
context = {'products': products,
'sizesList': sizesList,
"ColorsList": ColorsList,
"PaperChoiceProductsList": PaperChoiceProductsList,
}
return render(request, 'user/order.html', context)
订购。html
{% extends 'user/layout/userMaster.html' %}
{% block title %}Order{% endblock %}
{% block css %}
form
{
position:relative;
}
.tasksInput
{
margin-right:150px;
}
label
{
vertical-align: top;
}
{% endblock %}
{% block header %}
{% endblock %}
{% block main %}
<div class="container">
<div>
<div class="row rounded mx-auto d-block d-flex justify-content-center">
<button class="btn btn-secondary my-2 mr-1">Custom</button>
<button class="btn btn-secondary my-2 ml-1">Package</button>
</div>
<div class="row">
<div class="col-4">
<div class="card border border-secondary">
<div class="card body mx-2 mt-4 mb-2">
{% for product in products %}
<a id="{{ product.prod_ID }}" class="card-header" style="font-size:5vw;color:black;"
href="{% url 'user-order' product.prod_ID %}">
<h5 class="h5">{{ product.prod_ID }}. {{ product.prod_Name }}</h5></a>
<div class="dropdown-divider"></div>
{% endfor %}
</div>
</div>
</div>
<div class="col-8">
<form>
<div class="card mx-2 my-2 border border-secondary">
<div class="my-2">
<!-- The data I want to store in JSON starts from here -->
{% if sizesList %}
<div class="form-group">
<div class="form-group row mx-2">
<label for="sizeList"
class="form-control-label font-weight-bold card-header col-4 ml-4"
style="background-color:#e3e4e6"><h5>Sizes : </h5></label>
<div id="sizeList">
{% for s in sizesList %}
<input id="{{s}}" class="mx-2 my-auto" type="radio" name="size">
<label for="{{s}}">{{s}}</label><br>
{% endfor %}
</div>
</div>
</div>
{% endif %}
{% if ColorsList %}
<div class="form-group">
<div class="form-group row mx-2">
<label for="ColorsList"
class="form-control-label font-weight-bold card-header col-4 ml-4"
style="background-color:#e3e4e6"><h5>Colors : </h5></label>
<div id="ColorsList">
{% for c in ColorsList %}
<input id="{{c}}" class="mx-2 my-auto" type="radio" name="Color">
<label for="{{c}}">{{c}}</label><br>
{% endfor %}
</div>
</div>
</div>
{% endif %}
{% if PaperChoiceProductsList %}
<div class="form-group">
<div class="form-group row mx-2">
<label for="ColorsList"
class="form-control-label font-weight-bold card-header col-4 ml-4"
style="background-color:#e3e4e6"><h5>Paper Choice : </h5></label>
<div id="PaperChoiceProductsList">
{% for pc in PaperChoiceProductsList %}
<input id="{{pc}}" class="mx-2 my-auto" type="radio" name="PaperChoice">
<label for="{{pc}}">{{pc}}</label><br>
{% endfor %}
</div>
</div>
</div>
{% endif %}
<!-- The Data I want to store in the JSON ends here -->
</div>
</div>
</div>
</form>
</div>
</div>
<div class="row rounded mx-auto d-block d-flex justify-content-center">
<button class="btn btn-success my-2">Place Order</button>
</div>
</div>
</div>
{% endblock %}
如上面模板注释中所述,我想将该数据存储在单个 JSON 中。
你能帮我为它创建一个视图吗?
网址.py
path('order/<int:id>', views.order, name="user-order"),
我使用 jason dump 方法将值存储在单个 json object 中,然后将其传递给该字段,它对我有用。
视图.py
import json
def order(request, id):
products = Product.objects.all()
sizesList = []
ColorsList = []
PaperChoiceProductsList = []
value = {}
try:
sizesMap = SizeProductMapping.objects.filter(prod_id=id)
sizesList = [data.size_id.prod_size for data in sizesMap]
except AttributeError:
pass
try:
colorMap = ColorProductMapping.objects.filter(prod_id=id)
ColorsList = [data.color_id.prod_color for data in colorMap]
except AttributeError:
pass
try:
PaperChoiceProductMap = PaperChoiceProductMapping.objects.filter(prod_id=id)
PaperChoiceProductsList = [data.paper_id.paper_choices_name for data in PaperChoiceProductMap]
except AttributeError:
pass
if request.method == 'POST':
if request.method == 'POST':
customer_id = request.user
product = Product.objects.get(prod_ID=id)
product_id = product
try:
quantity = request.POST['quantity']
print(quantity)
except MultiValueDictKeyError:
pass
try:
size = request.POST['size']
value.update(size=size)
except MultiValueDictKeyError:
pass
try:
Colour = request.POST['Color']
value.update(Colour=Colour)
except MultiValueDictKeyError:
pass
try:
Paper_Choice = request.POST['PaperChoice']
value.update(Paper_Choice=Paper_Choice)
except MultiValueDictKeyError:
pass
attribute_value = json.dumps(value)
order_store = Order(user_id=customer_id, prod_id=product_id, quantity=quantity, attribute_value=attribute_value,
order_job_title=Job_title, order_desc=Order_Detail, address=User_Address, state=State,
city=City, postal_code=Postal_Code, product_img=TemplateValue)
order_store.save()
context = {'products': products,
'sizesList': sizesList,
"AqutousCoatingProductList": AqutousCoatingProductList,
"ColorsList": ColorsList,
"PaperChoiceProductsList": PaperChoiceProductsList,
}
return render(request, 'user/order.html', context)
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