def order_status(request):
# Read json
try:
json_data = json.loads(request.body)
except json.decoder.JSONDecodeError:
return base_helpers.create_json_response(success=False,
message="Bad JSON",
status=400)
if "id" not in json_data:
return base_helpers.create_json_response(
success=False,
message="Missing id",
status=400,
)
if not base_helpers.validate_positive_int(json_data["id"],
include_zero=True):
return base_helpers.create_json_response(
success=False,
message="Bad id",
status=400,
)
# Get the order
try:
order = Order.objects.get(pk=json_data["id"])
except Order.DoesNotExist:
return base_helpers.create_json_response(
success=False,
message="There is no order with that id",
status=400,
)
return base_helpers.create_json_response(data={"status": order.status})
def uncompleted_order(request):
# Get the latest uncompleted order
order = Order.objects.filter(
status=Order.STATUS_NOT_ACTIVE).order_by("id").first()
if order is not None:
return base_helpers.create_json_response(data=order.as_json())
else:
return base_helpers.create_json_response(
message="There are no uncompleted orders",
empty_data=True,
)
def register(request):
username = request.POST.get("username", "")
password = request.POST.get("password", "")
if username and password:
django_auth.models.User.objects.create_user(
username=username,
password=password,
)
return create_json_response()
else:
return create_json_response(success=False,
message="Missing username or password",
status=400)
def login(request):
username = request.POST.get("username", "")
password = request.POST.get("password", "")
user = django_auth.authenticate(request,
username=username,
password=password)
if user is not None:
django_auth.login(request, user)
return create_json_response()
else:
return create_json_response(
success=False,
message="Login failed",
)
def new_order(request):
# Read json
try:
json_data = json.loads(request.body)
except json.decoder.JSONDecodeError:
return base_helpers.create_json_response(success=False,
message="Bad JSON",
status=400)
# Check if there is a destination and color
if not base_helpers.has_keys({"destination", "color"}, json_data):
return base_helpers.create_json_response(
success=False,
message="Missing destination or color",
status=400,
)
destination = json_data["destination"]
color = json_data["color"]
if not base_helpers.validate_positive_int(color, include_zero=True):
return base_helpers.create_json_response(
success=False,
message="The color is not a non-negative integer",
status=400,
)
if not isinstance(destination, str):
return base_helpers.create_json_response(
success=False,
message="The destination must be a string",
status=400,
)
order = Order.objects.create(destination=destination,
color=color,
status=Order.STATUS_NOT_ACTIVE)
return base_helpers.create_json_response(data={"id": order.pk})
def update_order(request):
# Read json
try:
json_data = json.loads(request.body)
except json.decoder.JSONDecodeError:
return base_helpers.create_json_response(success=False,
message="Bad JSON",
status=400)
if not base_helpers.has_keys({"id", "new_status"}, json_data):
return base_helpers.create_json_response(
success=False,
message="Missing id or new_status",
status=400,
)
if not base_helpers.validate_positive_int(json_data["id"],
include_zero=True):
return base_helpers.create_json_response(
success=False,
message="Bad id",
status=400,
)
elif not json_data["new_status"] in Order.STATUS_FLOW:
return base_helpers.create_json_response(
success=False,
message="Bad new_status",
status=400,
)
new_status = json_data["new_status"]
# Find the order
try:
order = Order.objects.get(pk=int(json_data["id"]))
except Order.DoesNotExist:
return base_helpers.create_json_response(
success=False,
message="There is no order with that id",
status=400,
)
# Only allow changes in this order:
# NOT_ACTIVE > ACTIVE > COMPLETED
if order.status == Order.STATUS_FLOW[-1]:
return base_helpers.create_json_response(
success=False,
message="The order is already complete",
status=400,
)
elif new_status - order.status != 1:
return base_helpers.create_json_response(
success=False,
message="Cannot update status beyond 1 step",
status=400,
)
order.status = new_status
order.save()
return base_helpers.create_json_response()
def logout(request):
django_auth.logout(request)
return create_json_response()