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Passage de vue à Alpine pour les comptoirs (#561)

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Vue, c'est cool, mais avec Django c'est un peu chiant à utiliser. Alpine a l'avantage d'être plus léger et d'avoir une syntaxe qui ne ressemble pas à celle de Jinja (ce qui évite d'avoir à mettre des {% raw %} partout).
This commit is contained in:
thomas girod
2023-01-10 22:26:46 +01:00
committed by GitHub
parent 99827e005b
commit 705b9b1e6a
9 changed files with 335 additions and 309 deletions
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100
counter/views.py
View File

@ -22,8 +22,10 @@
#
#
import json
from urllib.parse import parse_qs
from django.contrib.auth.decorators import login_required
from django.db.models import F
from django.shortcuts import get_object_or_404
from django.http import Http404
from django.core.exceptions import PermissionDenied
@ -300,7 +302,7 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
current_tab = "counter"
def render_to_response(self, *args, **kwargs):
if self.request.is_ajax(): # JSON response for AJAX requests
if self.is_ajax(self.request):
response = {"errors": []}
status = HTTPStatus.OK
@ -395,42 +397,40 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
request.session["not_valid_student_card_uid"] = False
if self.object.type != "BAR":
self.operator = request.user
elif self.is_barman_price():
elif self.customer_is_barman():
self.operator = self.customer.user
else:
self.operator = self.object.get_random_barman()
if "add_product" in request.POST["action"]:
action = self.request.POST.get("action", None)
if action is None:
action = parse_qs(request.body.decode()).get("action", [""])[0]
if action == "add_product":
self.add_product(request)
elif "add_student_card" in request.POST["action"]:
elif action == "add_student_card":
self.add_student_card(request)
elif "del_product" in request.POST["action"]:
elif action == "del_product":
self.del_product(request)
elif "refill" in request.POST["action"]:
elif action == "refill":
self.refill(request)
elif "code" in request.POST["action"]:
elif action == "code":
return self.parse_code(request)
elif "cancel" in request.POST["action"]:
elif action == "cancel":
return self.cancel(request)
elif "finish" in request.POST["action"]:
elif action == "finish":
return self.finish(request)
context = self.get_context_data(object=self.object)
return self.render_to_response(context)
def is_barman_price(self):
if self.object.type == "BAR" and self.customer.user.id in [
s.id for s in self.object.get_barmen_list()
]:
return True
else:
return False
def customer_is_barman(self) -> bool:
barmen = self.object.barmen_list
return self.object.type == "BAR" and self.customer.user in barmen
def get_product(self, pid):
return Product.objects.filter(pk=int(pid)).first()
def get_price(self, pid):
p = self.get_product(pid)
if self.is_barman_price():
if self.customer_is_barman():
price = p.special_selling_price
else:
price = p.selling_price
@ -475,13 +475,22 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
self.compute_record_product(request, product)
)
@staticmethod
def is_ajax(request):
# when using the fetch API, the django request.POST dict is empty
# this is but a wretched contrivance which strive to replace
# the deprecated django is_ajax() method
# and which must be replaced as soon as possible
# by a proper separation between the api endpoints of the counter
return len(request.POST) == 0 and len(request.body) != 0
def add_product(self, request, q=1, p=None):
"""
Add a product to the basket
q is the quantity passed as integer
p is the product id, passed as an integer
"""
pid = p or request.POST["product_id"]
pid = p or parse_qs(request.body.decode())["product_id"][0]
pid = str(pid)
price = self.get_price(pid)
total = self.sum_basket(request)
@ -563,7 +572,7 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
def del_product(self, request):
"""Delete a product from the basket"""
pid = str(request.POST["product_id"])
pid = parse_qs(request.body.decode())["product_id"][0]
product = self.get_product(pid)
if pid in request.session["basket"]:
if (
@ -576,30 +585,29 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
request.session["basket"][pid]["qty"] -= 1
if request.session["basket"][pid]["qty"] <= 0:
del request.session["basket"][pid]
else:
request.session["basket"][pid] = None
request.session.modified = True
def parse_code(self, request):
"""Parse the string entered by the barman"""
string = str(request.POST["code"]).upper()
if string == _("END"):
"""
Parse the string entered by the barman
This can be of two forms :
- <str>, where the string is the code of the product
- <int>X<str>, where the integer is the quantity and str the code
"""
string = parse_qs(request.body.decode())["code"][0].upper()
if string == "FIN":
return self.finish(request)
elif string == _("CAN"):
elif string == "ANN":
return self.cancel(request)
regex = re.compile(r"^((?P<nb>[0-9]+)X)?(?P<code>[A-Z0-9]+)$")
m = regex.match(string)
if m is not None:
nb = m.group("nb")
code = m.group("code")
if nb is None:
nb = 1
else:
nb = int(nb)
nb = int(nb) if nb is not None else 1
p = self.object.products.filter(code=code).first()
if p is not None:
while nb > 0 and not self.add_product(request, nb, p.id):
nb -= 1
self.add_product(request, nb, p.id)
context = self.get_context_data(object=self.object)
return self.render_to_response(context)
@ -613,7 +621,7 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
for pid, infos in request.session["basket"].items():
# This duplicates code for DB optimization (prevent to load many times the same object)
p = Product.objects.filter(pk=pid).first()
if self.is_barman_price():
if self.customer_is_barman():
uprice = p.special_selling_price
else:
uprice = p.selling_price
@ -665,22 +673,26 @@ class CounterClick(CounterTabsMixin, CanViewMixin, DetailView):
def refill(self, request):
"""Refill the customer's account"""
if self.get_object().type == "BAR" and self.object.can_refill():
form = RefillForm(request.POST)
if form.is_valid():
form.instance.counter = self.object
form.instance.operator = self.operator
form.instance.customer = self.customer
form.instance.save()
else:
self.refill_form = form
else:
if not self.object.can_refill():
raise PermissionDenied
form = RefillForm(request.POST)
if form.is_valid():
form.instance.counter = self.object
form.instance.operator = self.operator
form.instance.customer = self.customer
form.instance.save()
else:
self.refill_form = form
def get_context_data(self, **kwargs):
"""Add customer to the context"""
kwargs = super(CounterClick, self).get_context_data(**kwargs)
kwargs["products"] = self.object.products.select_related("product_type")
products = self.object.products.select_related("product_type")
if self.customer_is_barman():
products = products.annotate(price=F("special_selling_price"))
else:
products = products.annotate(price=F("selling_price"))
kwargs["products"] = products
kwargs["categories"] = {}
for product in kwargs["products"]:
if product.product_type: