def product_insert(request):
# Check if Request is POST
if request.method != 'POST':
raise Exception('Http Method is not POST')
# Get JSON Data from request
json_data = json.loads(request.body)
# Check existence of fields
if ('code' or 'name' or 'price') not in json_data:
return JsonResponse({"message": "some fields are not given"},
status=400)
# Check value type of fields
if (type(json_data['code']) != str) or (type(json_data['name']) != str) or (type(json_data['price']) != int) \
or (len(json_data['code']) > 10) or (len(json_data['name']) > 100):
return JsonResponse({"message": "value of fields have problem"},
status=400)
# Check if code is unique
if Product.objects.all().filter(code=json_data['code']).exists():
return JsonResponse({"message": "code must be unique"}, status=400)
# Check if price is positive
if json_data['price'] < 0:
return JsonResponse({"message": "price value must be greater than 0"},
status=400)
# Create a product
product = Product()
product.code = json_data['code']
product.name = json_data['name']
product.price = json_data['price']
# Check if inventory filed is given and is positive
if 'inventory' not in json_data:
product.inventory = 0
else:
if json_data['inventory'] < 0:
return JsonResponse(
{"message": "value of inventory must be greater than 0"},
status=400)
product.inventory = json_data['inventory']
# Save product
product.save()
return JsonResponse({"id": product.id}, status=201)
def product_insert(request):
if request.method != 'POST':
return JsonResponse(data={"message": "Wrong method"}, status=400)
try:
data = json.loads(request.body.decode('utf-8'))
except:
return JsonResponse(data={"message": "Can't read request's body"}, status=400)
product = Product(code=data['code'], name=data['name'], price=data['price'])
if 'inventory' in data:
product.inventory = data['inventory']
try:
product.save()
except IntegrityError:
return JsonResponse(data={"message": "Duplicate code (or other messages)"}, status=400)
return JsonResponse(data={"id": product.id}, status=201)