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from django import forms
from django.http import HttpResponse
from django.core.mail import send_mail
from django.shortcuts import get_object_or_404, redirect
from django.contrib.auth.decorators import login_required, permission_required
from django.db import transaction
from django.db.models import Count
from django.views.decorators.cache import never_cache
from django.views.generic.create_update import delete_object
from django.views.generic.simple import direct_to_template
from django.template import Context, loader
from django.utils import simplejson
from main.models import Todolist, TodolistPkg, Package
class TodoListForm(forms.ModelForm):
packages = forms.CharField(required=False,
help_text='(one per line)',
widget=forms.Textarea(attrs={'rows': '20', 'cols': '60'}))
def clean_packages(self):
package_names = [s.strip() for s in
self.cleaned_data['packages'].split("\n")]
package_names = set(package_names)
packages = Package.objects.filter(pkgname__in=package_names).exclude(
repo__testing=True).select_related(
'arch', 'repo').order_by('arch')
return packages
class Meta:
model = Todolist
fields = ('name', 'description')
@permission_required('main.change_todolistpkg')
@never_cache
def flag(request, listid, pkgid):
list = get_object_or_404(Todolist, id=listid)
pkg = get_object_or_404(TodolistPkg, id=pkgid)
pkg.complete = not pkg.complete
pkg.save()
if request.is_ajax():
return HttpResponse(
simplejson.dumps({'complete': pkg.complete}),
mimetype='application/json')
return redirect(list)
@login_required
@never_cache
def view(request, listid):
list = get_object_or_404(Todolist, id=listid)
return direct_to_template(request, 'todolists/view.html', {'list': list})
@login_required
@never_cache
def list(request):
lists = Todolist.objects.select_related('creator').annotate(
pkg_count=Count('todolistpkg')).order_by('-date_added')
incomplete = Todolist.objects.filter(todolistpkg__complete=False).annotate(
Count('todolistpkg')).values_list('id', 'todolistpkg__count')
# tag each list with an incomplete package count
lookup = {}
for k, v in incomplete:
lookup[k] = v
for l in lists:
l.incomplete_count = lookup.get(l.id, 0)
return direct_to_template(request, 'todolists/list.html', {'lists': lists})
@permission_required('main.add_todolist')
@never_cache
def add(request):
if request.POST:
form = TodoListForm(request.POST)
if form.is_valid():
new_packages = create_todolist_packages(form, creator=request.user)
for new_package in new_packages:
send_newlist_email(new_package)
return redirect(form.instance)
else:
form = TodoListForm()
page_dict = {
'title': 'Add Todo List',
'form': form,
'submit_text': 'Create List'
}
return direct_to_template(request, 'general_form.html', page_dict)
# TODO: this calls for transaction management and async emailing
@permission_required('main.change_todolist')
@never_cache
def edit(request, list_id):
todo_list = get_object_or_404(Todolist, id=list_id)
if request.POST:
form = TodoListForm(request.POST, instance=todo_list)
if form.is_valid():
new_packages = create_todolist_packages(form)
for new_package in new_packages:
send_todolist_email(new_package)
return redirect(todo_list)
else:
form = TodoListForm(instance=todo_list,
initial={ 'packages': '\n'.join(todo_list.package_names) })
page_dict = {
'title': 'Edit Todo List: %s' % todo_list.name,
'form': form,
'submit_text': 'Save List'
}
return direct_to_template(request, 'general_form.html', page_dict)
@permission_required('main.delete_todolist')
@never_cache
def delete_todolist(request, object_id):
return delete_object(request, object_id=object_id, model=Todolist,
template_name="todolists/todolist_confirm_delete.html",
post_delete_redirect='/todo/')
@transaction.commit_on_success
def create_todolist_packages(form, creator=None):
packages = form.cleaned_data['packages']
if creator:
# todo list is new
todolist = form.save(commit=False)
todolist.creator = creator
todolist.save()
old_packages = []
else:
# todo list already existed
form.save()
todolist = form.instance
# first delete any packages not in the new list
for todo_pkg in todolist.packages:
if todo_pkg.pkg not in packages:
todo_pkg.delete()
# save the old package list so we know what to add
old_packages = [p.pkg for p in todolist.packages]
todo_pkgs = []
for package in packages:
if package not in old_packages:
todo_pkg = TodolistPkg.objects.create(list=todolist, pkg=package)
todo_pkgs.append(todo_pkg)
return todo_pkgs
def send_todolist_email(todo):
'''Sends an e-mail to the maintainer of a package notifying them that the
package has been added to a todo list'''
maints = todo.pkg.maintainers.values_list('email', flat=True)
if not maints:
return
page_dict = {
'pkg': todo.pkg,
'todolist': todo.list,
'weburl': todo.pkg.get_full_url()
}
t = loader.get_template('todolists/email_notification.txt')
c = Context(page_dict)
send_mail('arch: Package [%s] added to Todolist' % todo.pkg.pkgname,
t.render(c),
'Arch Website Notification <nobody@archlinux.org>',
maints,
fail_silently=True)
def public_list(request):
todo_lists = Todolist.objects.incomplete()
return direct_to_template(request, "todolists/public_list.html",
{"todo_lists": todo_lists})
# vim: set ts=4 sw=4 et:
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