How can I get data fro QuerySet dict received via AJAX to Django View to create model objects ?

I have a model and want to create record based on the data recieved to my view from a AJAX call:

In models.py
--------------------------------------
class Items(models.Model):
item = models.CharField (max_length=128, blank=False,null=False)
qty = models.CharField (max_length=128, blank=False,null=False)
price = models.CharField (max_length=128, blank=False,null=False)


In views.py
--------------------------------------
if request.is_ajax():
if request.method == 'GET':
json_data = request.GET
print("LET'S DUMP THE DATA NOW!!")
data = json.dumps(json_data)
print(data)

Output to console:
I am recieving a dictionary from ajax to my view like this:
--------------------------------------
{"deals[0][Price]": "400", "deals[1][Item]": "Diet Donut", "deals[2][Price]": "180", "deals[1][Price]": "100", "deals[0][Item]": "Donut 4", "deals[2][Item]": "HazelNut Donut", "deals[1][Quantity]": "1", "deals[0][Quantity]": "4", "deals[2][Quantity]": "10"}


HTML-JS part
--------------------------------------

Page1.html

<script>

var items = [];
var qtys = [];

$(document).ready(function() {

var deal_collection = {
deals:[]
};
var jsonData = {};

// Getting data on a CLICK here for the variables
$('a[id^="tag"]').click(function() {
var index=$(this).index()-1;
var text = $(this).text();
var inv = {{ inv_all|safe }};



var item = inv[index].fields.item_name;
var qty = inv[index].fields.quantity;
var price = inv[index].fields.price;

// Adding to array
deal_collection.deals.push({
"Item":item,
"Quantity":qty,
"Price":price
});
});

});



//Saving deal_collection to localStorage so that it can be retireved on the Next page

$('#ajax_call').click(function(){
alert("AJAX Call Clicked");
console.log("AJAX Call clicked");
if (typeof(Storage) !== "undefined") {

localStorage.setItem('deal_array',JSON.stringify(deal_collection))


console.log("Data stored to storage")

} else {
// Sorry! No Web Storage support..
alert('No Storage available')
}
});

</script>




Page2.html:

<script>


var arr = JSON.parse(localStorage.getItem("deal_array"));
$.each(arr, function(i) {
console.log(arr[i]);
});
var msg = "Success !!!"
$.ajax({
url: '{% url 'ajax' %}',
type: 'GET',
data: arr,
contentType: 'application/json; charset=utf-8',
dataType: 'json',

success: function(msg) {
alert(msg);
}
});


});

</script>


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Prevent modification of model through model/manager/queryset methods

Hello everybody,

I have a model which needs complex logic for update, creation and deletion.
I would like to have only one custom manager method to handle creation (let's call it `new`), one model method to handle deletion and prevent all the others.

My question is : Is there other methods that can modify models besides the ones below? Is there any way to know if I'm not missing a method that can modify models (other than reading the whole documentation)?

Here is what I have now :

class MyModelQuerySet(models.QuerySet):
def update(self, *args, **kwargs):
raise ValueError("Use 'new' method from manager instead.")

def delete(self):
raise ValueError("Use 'delete' method from model instead.")

class MyModelManager(models.Manager):
def get_queryset(self):
return MyModelQuerySet(self.model, using=self._db)

def create(self, *args, **kwargs):
raise ValueError("Use 'new' method from manager instead.")

def get_or_create(self, *args, **kwargs):
raise ValueError("Use 'new' method from manager instead.")

def update_or_create(self, *args, **kwargs):
raise ValueError("Use 'new' method from manager instead.")

def new(self, *args, **kwargs):
obj = self.model()
# Insert complex logic here
super(MyModel, obj).save()

class MyModel(models.Model):
def save(self, *args, **kwargs):
raise ValueError("Use 'new' method from manager instead.")

def delete(self, *args, **kwargs):
# Insert another complex logic here
super().delete(*args, **kwargs)

Thanks in advance for any bit of advice!

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Thanks!

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I'm struggling to upload an image in a form. Right now, after setting an ImageField to my models:

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and adding to settings.py

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Is there an easy way to understand the basic steps for image handling?

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