mia-accounting-django/mia_core/views.py

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# The core application of the Mia project.
# by imacat <imacat@mail.imacat.idv.tw>, 2020/7/4
# Copyright (c) 2020 imacat.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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"""The views of the Mia core application.
"""
from django.contrib import messages
from django.contrib.auth import logout as logout_user
from django.contrib.messages.views import SuccessMessageMixin
from django.http import HttpResponse, JsonResponse
from django.shortcuts import redirect, render
from django.urls import reverse
from django.utils.decorators import method_decorator
from django.utils.translation import gettext_noop
from django.views.decorators.http import require_POST, require_GET
from django.views.generic import DeleteView as CoreDeleteView, ListView, \
DetailView
from . import stored_post
from .digest_auth import login_required
from .forms import UserForm
from .models import User
from .utils import strip_post
class DeleteView(SuccessMessageMixin, CoreDeleteView):
"""The delete form view, with SuccessMessageMixin."""
def delete(self, request, *args, **kwargs):
response = super(DeleteView, self).delete(request, *args, **kwargs)
messages.success(request, self.get_success_message({}))
return response
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@require_POST
def logout(request):
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"""The view to log out a user.
Args:
request (HttpRequest): The request.
Returns:
HttpRedirectResponse: The redirect response.
"""
logout_user(request)
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if "next" in request.POST:
request.session["logout"] = True
return redirect(request.POST["next"])
return redirect("home")
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class UserListView(ListView):
"""The view to list the users."""
queryset = User.objects.order_by("login_id")
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class UserView(DetailView):
"""The view of a user."""
def get_object(self, queryset=None):
return self.request.resolver_match.kwargs["user"]
@require_GET
@login_required
def user_form(request, user=None):
"""The view to edit an accounting transaction.
Args:
request (HttpRequest): The request.
user (User): The account.
Returns:
HttpResponse: The response.
"""
previous_post = stored_post.get_previous_post(request)
if previous_post is not None:
form = UserForm(previous_post)
elif user is not None:
form = UserForm({
"login_id": user.login_id,
"name": user.name,
"is_disabled": user.is_disabled,
})
else:
form = UserForm()
form.user = user
form.current_user = request.user
return render(request, "mia_core/user_form.html", {
"form": form,
})
def user_store(request, user=None):
"""The view to store a user.
Args:
request (HttpRequest): The request.
user (Account): The user.
Returns:
HttpResponseRedirect: The response.
"""
post = request.POST.dict()
strip_post(post)
form = UserForm(post)
form.user = user
form.current_user = request.user
if not form.is_valid():
if user is None:
url = reverse("mia_core:users.create")
else:
url = reverse("mia_core:users.edit", args=(user,))
return stored_post.error_redirect(request, url, post)
if user is None:
user = User()
user.login_id = form["login_id"].value()
if form["password"].value() is not None:
user.set_digest_password(
form["login_id"].value(), form["password"].value())
user.name = form["name"].value()
user.is_disabled = form["is_disabled"].value()
if not user.is_dirty():
message = gettext_noop("This user account was not changed.")
else:
user.save(current_user=request.user)
message = gettext_noop("This user account was saved successfully.")
messages.success(request, message)
return redirect("mia_core:users.detail", user)
@require_POST
@login_required
def user_delete(request, user):
"""The view to delete an user.
Args:
request (HttpRequest): The request.
user (User): The user.
Returns:
HttpResponseRedirect: The response.
"""
message = None
if user.pk == request.user.pk:
message = gettext_noop("You cannot delete your own account.")
elif user.is_in_use():
message = gettext_noop(
"You cannot delete this account because it is in use.")
elif user.is_deleted:
message = gettext_noop("This account is already deleted.")
if message is not None:
messages.error(request, message)
return redirect("mia_core:users.detail", user)
user.delete()
message = gettext_noop("This user account was deleted successfully.")
messages.success(request, message)
return redirect("mia_core:users")
def api_users_exists(request, login_id):
"""The view to check whether a user with a log in ID exists.
Args:
request (HttpRequest): The request.
login_id (str): The log in ID.
Returns:
JsonResponse: The response.
"""
try:
User.objects.get(login_id=login_id)
except User.DoesNotExist:
return JsonResponse(False, safe=False)
return JsonResponse(True, safe=False)
# TODO: To be removed.
def todo(request, **kwargs):
"""A dummy placeholder view for the URL settings that are not
implemented yet.
Returns:
HttpResponse: A dummy response.
"""
return HttpResponse("TODO: To be done.")