django-musician/musician/views.py

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from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
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from django.http import HttpResponse, HttpResponseRedirect
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from django.shortcuts import render
from django.urls import reverse_lazy
from django.utils import translation
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from django.utils.http import is_safe_url
from django.utils.translation import gettext_lazy as _
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from django.views import View
from django.views.generic.base import RedirectView, TemplateView
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from django.views.generic.detail import DetailView
from django.views.generic.edit import FormView
from django.views.generic.list import ListView
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from . import api, get_version
from .auth import login as auth_login
from .auth import logout as auth_logout
from .forms import LoginForm
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from .mixins import (CustomContextMixin, ExtendedPaginationMixin,
UserTokenRequiredMixin)
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from .models import (Bill, DatabaseService, MailinglistService, MailService,
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PaymentSource, SaasService, UserAccount)
from .settings import ALLOWED_RESOURCES
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class DashboardView(CustomContextMixin, UserTokenRequiredMixin, TemplateView):
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template_name = "musician/dashboard.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('Dashboard'),
}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
domains = self.orchestra.retrieve_domain_list()
# TODO(@slamora) update when backend provides resource usage data
resource_usage = {
'disk': {
'verbose_name': _('Disk usage'),
'usage': 534,
'total': 1024,
'unit': 'MB',
'percent': 50,
},
'traffic': {
'verbose_name': _('Traffic'),
'usage': 300,
'total': 2048,
'unit': 'MB/month',
'percent': 25,
},
'mailbox': {
'verbose_name': _('Mailbox usage'),
'usage': 1,
'total': 2,
'unit': 'accounts',
'percent': 50,
},
}
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# TODO(@slamora) update when backend supports notifications
notifications = []
# show resource usage based on plan definition
# TODO(@slamora): validate concept of limits with Pangea
profile_type = context['profile'].type
for domain in domains:
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addresses_left = ALLOWED_RESOURCES[profile_type]['mailbox'] - len(domain.mails)
alert_level = None
if addresses_left == 1:
alert_level = 'warning'
elif addresses_left < 1:
alert_level = 'danger'
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domain.addresses_left = {
'count': addresses_left,
'alert_level': alert_level,
}
context.update({
'domains': domains,
'resource_usage': resource_usage,
'notifications': notifications,
})
return context
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class ProfileView(CustomContextMixin, UserTokenRequiredMixin, TemplateView):
template_name = "musician/profile.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('User profile'),
}
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
try:
pay_source = self.orchestra.retrieve_service_list(
PaymentSource.api_name)[0]
except IndexError:
pay_source = {}
context.update({
'payment': PaymentSource.new_from_json(pay_source)
})
return context
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class ServiceListView(CustomContextMixin, ExtendedPaginationMixin, UserTokenRequiredMixin, ListView):
"""Base list view to all services"""
service_class = None
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template_name = "musician/service_list.html"
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def get_queryset(self):
if self.service_class is None or self.service_class.api_name is None:
raise ImproperlyConfigured(
"ServiceListView requires a definiton of 'service'")
queryfilter = self.get_queryfilter()
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json_qs = self.orchestra.retrieve_service_list(
self.service_class.api_name,
querystring=queryfilter,
)
return [self.service_class.new_from_json(data) for data in json_qs]
def get_queryfilter(self):
"""Does nothing by default. Should be implemented on subclasses"""
return ''
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context.update({
'service': self.service_class,
})
return context
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class BillingView(ServiceListView):
service_class = Bill
template_name = "musician/billing.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('Billing'),
}
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class BillDownloadView(CustomContextMixin, UserTokenRequiredMixin, View):
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extra_context = {
# Translators: This message appears on the page title
'title': _('Download bill'),
}
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def get(self, request, *args, **kwargs):
pk = self.kwargs.get('pk')
bill = self.orchestra.retrieve_bill_document(pk)
return HttpResponse(bill)
class MailView(ServiceListView):
service_class = MailService
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template_name = "musician/mail.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('Mail addresses'),
}
def get_queryset(self):
# retrieve mails applying filters (if any)
queryfilter = self.get_queryfilter()
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addresses = self.orchestra.retrieve_mail_address_list(
querystring=queryfilter
)
return addresses
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def get_queryfilter(self):
"""Retrieve query params (if any) to filter queryset"""
domain_id = self.request.GET.get('domain')
if domain_id:
return "domain={}".format(domain_id)
return ''
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
domain_id = self.request.GET.get('domain')
if domain_id:
context.update({
'active_domain': self.orchestra.retrieve_domain(domain_id)
})
return context
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class MailingListsView(ServiceListView):
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service_class = MailinglistService
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template_name = "musician/mailinglists.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('Mailing lists'),
}
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def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
domain_id = self.request.GET.get('domain')
if domain_id:
context.update({
'active_domain': self.orchestra.retrieve_domain(domain_id)
})
return context
def get_queryfilter(self):
"""Retrieve query params (if any) to filter queryset"""
# TODO(@slamora): this is not working because backend API
# doesn't support filtering by domain
domain_id = self.request.GET.get('domain')
if domain_id:
return "domain={}".format(domain_id)
return ''
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class DatabasesView(ServiceListView):
template_name = "musician/databases.html"
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service_class = DatabaseService
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extra_context = {
# Translators: This message appears on the page title
'title': _('Databases'),
}
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class SaasView(ServiceListView):
service_class = SaasService
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template_name = "musician/saas.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('Software as a Service'),
}
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class DomainDetailView(CustomContextMixin, UserTokenRequiredMixin, DetailView):
template_name = "musician/domain_detail.html"
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extra_context = {
# Translators: This message appears on the page title
'title': _('Domain details'),
}
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def get_queryset(self):
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# Return an empty list to avoid a request to retrieve all the
# user domains. We will get a 404 if the domain doesn't exists
# while invoking `get_object`
return []
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def get_object(self, queryset=None):
if queryset is None:
queryset = self.get_queryset()
pk = self.kwargs.get(self.pk_url_kwarg)
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domain = self.orchestra.retrieve_domain(pk)
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return domain
class LoginView(FormView):
template_name = 'auth/login.html'
form_class = LoginForm
success_url = reverse_lazy('musician:dashboard')
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redirect_field_name = 'next'
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extra_context = {
# Translators: This message appears on the page title
'title': _('Login'),
'version': get_version(),
}
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['request'] = self.request
return kwargs
def form_valid(self, form):
"""Security check complete. Log the user in."""
auth_login(self.request, form.username, form.token)
# set user language as active language
user_language = form.user.language
translation.activate(user_language)
response = HttpResponseRedirect(self.get_success_url())
response.set_cookie(settings.LANGUAGE_COOKIE_NAME, user_language)
return response
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def get_success_url(self):
url = self.get_redirect_url()
return url or self.success_url
def get_redirect_url(self):
"""Return the user-originating redirect URL if it's safe."""
redirect_to = self.request.POST.get(
self.redirect_field_name,
self.request.GET.get(self.redirect_field_name, '')
)
url_is_safe = is_safe_url(
url=redirect_to,
allowed_hosts={self.request.get_host()},
require_https=self.request.is_secure(),
)
return redirect_to if url_is_safe else ''
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context.update({
self.redirect_field_name: self.get_redirect_url(),
**(self.extra_context or {})
})
return context
class LogoutView(RedirectView):
"""
Log out the user.
"""
permanent = False
pattern_name = 'musician:login'
def get_redirect_url(self, *args, **kwargs):
"""
Logs out the user.
"""
auth_logout(self.request)
return super().get_redirect_url(*args, **kwargs)
def post(self, request, *args, **kwargs):
"""Logout may be done via POST."""
return self.get(request, *args, **kwargs)