Sith/club/views.py

# -*- coding:utf-8 -*
#
# Copyright 2016,2017
# - Skia <skia@libskia.so>
# - Sli <antoine@bartuccio.fr>
#
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# http://ae.utbm.fr.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License a published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA.
#
#


from django.conf import settings
from django import forms
from django.views.generic import ListView, DetailView, TemplateView, View
from django.views.generic.edit import DeleteView
from django.views.generic.detail import SingleObjectMixin
from django.views.generic.edit import UpdateView, CreateView
from django.http import HttpResponseRedirect, HttpResponse, Http404
from django.core.urlresolvers import reverse, reverse_lazy
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ugettext as _t
from django.core.exceptions import PermissionDenied
from django.shortcuts import get_object_or_404, redirect

from core.views import (
    CanCreateMixin,
    CanViewMixin,
    CanEditMixin,
    CanEditPropMixin,
    TabedViewMixin,
    PageEditViewBase,
    DetailFormView,
)
from core.models import PageRev

from counter.models import Selling

from com.views import (
    PosterListBaseView,
    PosterCreateBaseView,
    PosterEditBaseView,
    PosterDeleteBaseView,
)

from club.models import Club, Membership, Mailing, MailingSubscription
from club.forms import (
    MailingForm,
    MailingSubscriptionForm,
    ClubEditForm,
    ClubMemberForm,
)


class ClubTabsMixin(TabedViewMixin):
    def get_tabs_title(self):
        obj = self.get_object()
        if isinstance(obj, PageRev):
            self.object = obj.page.club
        return self.object.get_display_name()

    def get_list_of_tabs(self):
        tab_list = []
        tab_list.append(
            {
                "url": reverse("club:club_view", kwargs={"club_id": self.object.id}),
                "slug": "infos",
                "name": _("Infos"),
            }
        )
        if self.request.user.can_view(self.object):
            tab_list.append(
                {
                    "url": reverse(
                        "club:club_members", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "members",
                    "name": _("Members"),
                }
            )
            tab_list.append(
                {
                    "url": reverse(
                        "club:club_old_members", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "elderlies",
                    "name": _("Old members"),
                }
            )
        if self.object.page:
            tab_list.append(
                {
                    "url": reverse(
                        "club:club_hist", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "history",
                    "name": _("History"),
                }
            )
        if self.request.user.can_edit(self.object):
            tab_list.append(
                {
                    "url": reverse("club:tools", kwargs={"club_id": self.object.id}),
                    "slug": "tools",
                    "name": _("Tools"),
                }
            )
            tab_list.append(
                {
                    "url": reverse(
                        "club:club_edit", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "edit",
                    "name": _("Edit"),
                }
            )
            if self.object.page and self.request.user.can_edit(self.object.page):
                tab_list.append(
                    {
                        "url": reverse(
                            "core:page_edit",
                            kwargs={"page_name": self.object.page.get_full_name()},
                        ),
                        "slug": "page_edit",
                        "name": _("Edit club page"),
                    }
                )
            tab_list.append(
                {
                    "url": reverse(
                        "club:club_sellings", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "sellings",
                    "name": _("Sellings"),
                }
            )
            tab_list.append(
                {
                    "url": reverse("club:mailing", kwargs={"club_id": self.object.id}),
                    "slug": "mailing",
                    "name": _("Mailing list"),
                }
            )
            tab_list.append(
                {
                    "url": reverse(
                        "club:poster_list", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "posters",
                    "name": _("Posters list"),
                }
            )
        if self.request.user.is_owner(self.object):
            tab_list.append(
                {
                    "url": reverse(
                        "club:club_prop", kwargs={"club_id": self.object.id}
                    ),
                    "slug": "props",
                    "name": _("Props"),
                }
            )
        return tab_list


class ClubListView(ListView):
    """
    List the Clubs
    """

    model = Club
    template_name = "club/club_list.jinja"


class ClubView(ClubTabsMixin, DetailView):
    """
    Front page of a Club
    """

    model = Club
    pk_url_kwarg = "club_id"
    template_name = "club/club_detail.jinja"
    current_tab = "infos"

    def get_context_data(self, **kwargs):
        kwargs = super(ClubView, self).get_context_data(**kwargs)
        if self.object.page and self.object.page.revisions.exists():
            kwargs["page_revision"] = self.object.page.revisions.last().content
        return kwargs


class ClubRevView(ClubView):
    """
    Display a specific page revision
    """

    def dispatch(self, request, *args, **kwargs):
        obj = self.get_object()
        self.revision = get_object_or_404(PageRev, pk=kwargs["rev_id"], page__club=obj)
        return super(ClubRevView, self).dispatch(request, *args, **kwargs)

    def get_context_data(self, **kwargs):
        kwargs = super(ClubRevView, self).get_context_data(**kwargs)
        kwargs["page_revision"] = self.revision.content
        return kwargs


class ClubPageEditView(ClubTabsMixin, PageEditViewBase):
    template_name = "club/pagerev_edit.jinja"
    current_tab = "page_edit"

    def dispatch(self, request, *args, **kwargs):
        self.club = get_object_or_404(Club, pk=kwargs["club_id"])
        if not self.club.page:
            raise Http404
        return super(ClubPageEditView, self).dispatch(request, *args, **kwargs)

    def get_object(self):
        self.page = self.club.page
        return self._get_revision()

    def get_success_url(self, **kwargs):
        return reverse_lazy("club:club_view", kwargs={"club_id": self.club.id})


class ClubPageHistView(ClubTabsMixin, CanViewMixin, DetailView):
    """
    Modification hostory of the page
    """

    model = Club
    pk_url_kwarg = "club_id"
    template_name = "club/page_history.jinja"
    current_tab = "history"


class ClubToolsView(ClubTabsMixin, CanEditMixin, DetailView):
    """
    Tools page of a Club
    """

    model = Club
    pk_url_kwarg = "club_id"
    template_name = "club/club_tools.jinja"
    current_tab = "tools"


class ClubMembersView(ClubTabsMixin, CanViewMixin, DetailFormView):
    """
    View of a club's members
    """

    model = Club
    pk_url_kwarg = "club_id"
    form_class = ClubMemberForm
    template_name = "club/club_members.jinja"
    current_tab = "members"

    def get_form_kwargs(self):
        kwargs = super(ClubMembersView, self).get_form_kwargs()
        kwargs["request_user"] = self.request.user
        kwargs["club"] = self.get_object()
        kwargs["club_members"] = self.members
        return kwargs

    def get_context_data(self, *args, **kwargs):
        kwargs = super(ClubMembersView, self).get_context_data(*args, **kwargs)
        kwargs["members"] = self.members
        return kwargs

    def form_valid(self, form):
        """
            Check user rights
        """
        resp = super(ClubMembersView, self).form_valid(form)

        data = form.clean()
        users = data.pop("users", [])
        users_old = data.pop("users_old", [])
        for user in users:
            Membership(club=self.get_object(), user=user, **data).save()
        for user in users_old:
            membership = self.get_object().get_membership_for(user)
            membership.end_date = timezone.now()
            membership.save()
        return resp

    def dispatch(self, request, *args, **kwargs):
        self.members = (
            self.get_object().members.filter(end_date=None).order_by("-role").all()
        )
        return super(ClubMembersView, self).dispatch(request, *args, **kwargs)

    def get_success_url(self, **kwargs):
        return reverse_lazy(
            "club:club_members", kwargs={"club_id": self.get_object().id}
        )


class ClubOldMembersView(ClubTabsMixin, CanViewMixin, DetailView):
    """
    Old members of a club
    """

    model = Club
    pk_url_kwarg = "club_id"
    template_name = "club/club_old_members.jinja"
    current_tab = "elderlies"


class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailView):
    """
    Sellings of a club
    """

    model = Club
    pk_url_kwarg = "club_id"
    template_name = "club/club_sellings.jinja"
    current_tab = "sellings"

    def get_form_class(self):
        kwargs = {
            "product": forms.ModelChoiceField(
                self.object.products.order_by("name").all(),
                label=_("Product"),
                required=False,
            )
        }
        return type("SellingsForm", (SellingsFormBase,), kwargs)

    def get_context_data(self, **kwargs):
        kwargs = super(ClubSellingView, self).get_context_data(**kwargs)
        form = self.get_form_class()(self.request.GET)
        qs = Selling.objects.filter(club=self.object)
        if form.is_valid():
            if not len([v for v in form.cleaned_data.values() if v is not None]):
                qs = Selling.objects.filter(id=-1)
            if form.cleaned_data["begin_date"]:
                qs = qs.filter(date__gte=form.cleaned_data["begin_date"])
            if form.cleaned_data["end_date"]:
                qs = qs.filter(date__lte=form.cleaned_data["end_date"])
            if form.cleaned_data["counter"]:
                qs = qs.filter(counter=form.cleaned_data["counter"])
            if form.cleaned_data["product"]:
                qs = qs.filter(product__id=form.cleaned_data["product"].id)
            kwargs["result"] = qs.all().order_by("-id")
            kwargs["total"] = sum([s.quantity * s.unit_price for s in qs.all()])
            kwargs["total_quantity"] = sum([s.quantity for s in qs.all()])
            kwargs["benefit"] = kwargs["total"] - sum(
                [s.product.purchase_price for s in qs.exclude(product=None)]
            )
        else:
            kwargs["result"] = qs[:0]
        kwargs["form"] = form
        return kwargs


class ClubSellingCSVView(ClubSellingView):
    """
    Generate sellings in csv for a given period
    """

    def get(self, request, *args, **kwargs):
        import csv

        response = HttpResponse(content_type="text/csv")
        self.object = self.get_object()
        name = _("Sellings") + "_" + self.object.name + ".csv"
        response["Content-Disposition"] = "filename=" + name
        kwargs = self.get_context_data(**kwargs)
        writer = csv.writer(
            response, delimiter=";", lineterminator="\n", quoting=csv.QUOTE_ALL
        )

        writer.writerow([_t("Quantity"), kwargs["total_quantity"]])
        writer.writerow([_t("Total"), kwargs["total"]])
        writer.writerow([_t("Benefit"), kwargs["benefit"]])
        writer.writerow(
            [
                _t("Date"),
                _t("Counter"),
                _t("Barman"),
                _t("Customer"),
                _t("Label"),
                _t("Quantity"),
                _t("Total"),
                _t("Payment method"),
                _t("Selling price"),
                _t("Purchase price"),
                _t("Benefit"),
            ]
        )
        for o in kwargs["result"]:
            row = [o.date, o.counter]
            if o.seller:
                row.append(o.seller.get_display_name())
            else:
                row.append("")
            if o.customer:
                row.append(o.customer.user.get_display_name())
            else:
                row.append("")
            row = row + [
                o.label,
                o.quantity,
                o.quantity * o.unit_price,
                o.get_payment_method_display(),
            ]
            if o.product:
                row.append(o.product.selling_price)
                row.append(o.product.purchase_price)
                row.append(o.product.selling_price - o.product.purchase_price)
            else:
                row = row + ["", "", ""]
            writer.writerow(row)

        return response


class ClubEditView(ClubTabsMixin, CanEditMixin, UpdateView):
    """
    Edit a Club's main informations (for the club's members)
    """

    model = Club
    pk_url_kwarg = "club_id"
    form_class = ClubEditForm
    template_name = "core/edit.jinja"
    current_tab = "edit"


class ClubEditPropView(ClubTabsMixin, CanEditPropMixin, UpdateView):
    """
    Edit the properties of a Club object (for the Sith admins)
    """

    model = Club
    pk_url_kwarg = "club_id"
    fields = ["name", "unix_name", "parent", "is_active"]
    template_name = "core/edit.jinja"
    current_tab = "props"


class ClubCreateView(CanEditPropMixin, CreateView):
    """
    Create a club (for the Sith admin)
    """

    model = Club
    pk_url_kwarg = "club_id"
    fields = ["name", "unix_name", "parent"]
    template_name = "core/edit.jinja"


class MembershipSetOldView(CanEditMixin, DetailView):
    """
    Set a membership as beeing old
    """

    model = Membership
    pk_url_kwarg = "membership_id"

    def get(self, request, *args, **kwargs):
        self.object = self.get_object()
        self.object.end_date = timezone.now()
        self.object.save()
        return HttpResponseRedirect(
            reverse(
                "club:club_members",
                args=self.args,
                kwargs={"club_id": self.object.club.id},
            )
        )

    def post(self, request, *args, **kwargs):
        self.object = self.get_object()
        return HttpResponseRedirect(
            reverse(
                "club:club_members",
                args=self.args,
                kwargs={"club_id": self.object.club.id},
            )
        )


class ClubStatView(TemplateView):
    template_name = "club/stats.jinja"

    def get_context_data(self, **kwargs):
        kwargs = super(ClubStatView, self).get_context_data(**kwargs)
        kwargs["club_list"] = Club.objects.all()
        return kwargs


class ClubMailingView(ClubTabsMixin, ListView):
    """
    A list of mailing for a given club
    """

    action = None
    model = Mailing
    template_name = "club/mailing.jinja"
    current_tab = "mailing"

    def authorized(self):
        return (
            self.club.has_rights_in_club(self.user)
            or self.user.is_root
            or self.user.is_in_group(settings.SITH_GROUP_COM_ADMIN_ID)
        )

    def dispatch(self, request, *args, **kwargs):
        self.club = get_object_or_404(Club, pk=kwargs["club_id"])
        self.user = request.user
        self.object = self.club
        if not self.authorized():
            raise PermissionDenied
        self.member_form = MailingSubscriptionForm(club_id=self.club.id)
        self.mailing_form = MailingForm(club_id=self.club.id, user_id=self.user.id)
        return super(ClubMailingView, self).dispatch(request, *args, **kwargs)

    def post(self, request, *args, **kwargs):
        res = super(ClubMailingView, self).get(request, *args, **kwargs)
        if self.action != "display":
            if self.action == "add_mailing":
                form = MailingForm
                model = Mailing
            elif self.action == "add_member":
                form = MailingSubscriptionForm
                model = MailingSubscription
            return MailingGenericCreateView.as_view(
                model=model, list_view=self, form_class=form
            )(request, *args, **kwargs)
        return res

    def get_queryset(self):
        return Mailing.objects.filter(club_id=self.club.id).all()

    def get_context_data(self, **kwargs):
        kwargs = super(ClubMailingView, self).get_context_data(**kwargs)
        kwargs["add_member"] = self.member_form
        kwargs["add_mailing"] = self.mailing_form
        kwargs["club"] = self.club
        kwargs["user"] = self.user
        kwargs["has_objects"] = len(kwargs["object_list"]) > 0
        return kwargs

    def get_object(self):
        return self.club


class MailingGenericCreateView(CreateView, SingleObjectMixin):
    """
    Create a new mailing list
    """

    list_view = None
    form_class = None

    def get_context_data(self, **kwargs):
        view_kwargs = self.list_view.get_context_data(**kwargs)
        for key, data in (
            super(MailingGenericCreateView, self).get_context_data(**kwargs).items()
        ):
            view_kwargs[key] = data
        view_kwargs[self.list_view.action] = view_kwargs["form"]
        return view_kwargs

    def get_form_kwargs(self):
        kwargs = super(MailingGenericCreateView, self).get_form_kwargs()
        kwargs["club_id"] = self.list_view.club.id
        kwargs["user_id"] = self.list_view.user.id
        return kwargs

    def dispatch(self, request, *args, **kwargs):
        if not self.list_view.authorized():
            raise PermissionDenied
        self.template_name = self.list_view.template_name
        return super(MailingGenericCreateView, self).dispatch(request, *args, **kwargs)

    def get_success_url(self, **kwargs):
        return reverse_lazy("club:mailing", kwargs={"club_id": self.list_view.club.id})


class MailingDeleteView(CanEditMixin, DeleteView):

    model = Mailing
    template_name = "core/delete_confirm.jinja"
    pk_url_kwarg = "mailing_id"
    redirect_page = None

    def dispatch(self, request, *args, **kwargs):
        self.club_id = self.get_object().club.id
        return super(MailingDeleteView, self).dispatch(request, *args, **kwargs)

    def get_success_url(self, **kwargs):
        if self.redirect_page:
            return reverse_lazy(self.redirect_page)
        else:
            return reverse_lazy("club:mailing", kwargs={"club_id": self.club_id})


class MailingSubscriptionDeleteView(CanEditMixin, DeleteView):

    model = MailingSubscription
    template_name = "core/delete_confirm.jinja"
    pk_url_kwarg = "mailing_subscription_id"

    def dispatch(self, request, *args, **kwargs):
        self.club_id = self.get_object().mailing.club.id
        return super(MailingSubscriptionDeleteView, self).dispatch(
            request, *args, **kwargs
        )

    def get_success_url(self, **kwargs):
        return reverse_lazy("club:mailing", kwargs={"club_id": self.club_id})


class MailingAutoGenerationView(View):
    def dispatch(self, request, *args, **kwargs):
        self.mailing = get_object_or_404(Mailing, pk=kwargs["mailing_id"])
        if not request.user.can_edit(self.mailing):
            raise PermissionDenied
        return super(MailingAutoGenerationView, self).dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        club = self.mailing.club
        self.mailing.subscriptions.all().delete()
        members = club.members.filter(
            role__gte=settings.SITH_CLUB_ROLES_ID["Board member"]
        ).exclude(end_date__lte=timezone.now())
        for member in members.all():
            MailingSubscription(user=member.user, mailing=self.mailing).save()
        return redirect("club:mailing", club_id=club.id)


class MailingAutoCleanView(View):
    def dispatch(self, request, *args, **kwargs):
        self.mailing = get_object_or_404(Mailing, pk=kwargs["mailing_id"])
        if not request.user.can_edit(self.mailing):
            raise PermissionDenied
        return super(MailingAutoCleanView, self).dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        self.mailing.subscriptions.all().delete()
        return redirect("club:mailing", club_id=self.mailing.club.id)


class PosterListView(ClubTabsMixin, PosterListBaseView, CanViewMixin):
    """List communication posters"""

    def get_object(self):
        return self.club

    def get_context_data(self, **kwargs):
        kwargs = super(PosterListView, self).get_context_data(**kwargs)
        kwargs["app"] = "club"
        kwargs["club"] = self.club
        return kwargs


class PosterCreateView(PosterCreateBaseView, CanCreateMixin):
    """Create communication poster"""

    pk_url_kwarg = "club_id"

    def get_object(self):
        obj = super(PosterCreateView, self).get_object()
        if not obj:
            return self.club
        return obj

    def get_success_url(self, **kwargs):
        return reverse_lazy("club:poster_list", kwargs={"club_id": self.club.id})


class PosterEditView(ClubTabsMixin, PosterEditBaseView, CanEditMixin):
    """Edit communication poster"""

    def get_success_url(self):
        return reverse_lazy("club:poster_list", kwargs={"club_id": self.club.id})

    def get_context_data(self, **kwargs):
        kwargs = super(PosterEditView, self).get_context_data(**kwargs)
        kwargs["app"] = "club"
        return kwargs


class PosterDeleteView(PosterDeleteBaseView, ClubTabsMixin, CanEditMixin):
    """Delete communication poster"""

    def get_success_url(self):
        return reverse_lazy("club:poster_list", kwargs={"club_id": self.club.id})