summaryrefslogtreecommitdiff
path: root/todolists/views.py
blob: abec9253405ecc863e55aac5f202bf7aa9a4b329 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
import json

from django import forms
from django.http import HttpResponse
from django.core.mail import send_mail
from django.shortcuts import (get_list_or_404, get_object_or_404,
        redirect, render)
from django.db import transaction
from django.views.decorators.cache import never_cache
from django.views.generic import DeleteView
from django.template import Context, loader
from django.template.defaultfilters import slugify
from django.utils.timezone import now

from main.models import Package, Repo
from main.utils import find_unique_slug
from packages.utils import attach_maintainers
from .models import Todolist, TodolistPackage
from .utils import get_annotated_todolists, attach_staging


class TodoListForm(forms.ModelForm):
    raw = forms.CharField(label='Packages', required=False,
            help_text='(one per line)',
            widget=forms.Textarea(attrs={'rows': '20', 'cols': '60'}))

    def package_names(self):
        return {s.strip() for s in self.cleaned_data['raw'].split("\n")}

    def packages(self):
        return Package.objects.normal().filter(
                pkgname__in=self.package_names(),
                repo__testing=False, repo__staging=False).order_by('arch')

    class Meta:
        model = Todolist
        fields = ('name', 'description', 'raw')


@never_cache
def flag(request, slug, pkg_id):
    todolist = get_object_or_404(Todolist, slug=slug)
    tlpkg = get_object_or_404(TodolistPackage, id=pkg_id, removed__isnull=True)
    # TODO: none of this; require absolute value on submit
    if tlpkg.status == TodolistPackage.INCOMPLETE:
        tlpkg.status = TodolistPackage.COMPLETE
    else:
        tlpkg.status = TodolistPackage.INCOMPLETE
    tlpkg.user = request.user
    tlpkg.save(update_fields=('status', 'user', 'last_modified'))
    if request.is_ajax():
        data = {
            'status': tlpkg.get_status_display(),
            'css_class': tlpkg.status_css_class(),
        }
        return HttpResponse(json.dumps(data), content_type='application/json')
    return redirect(todolist)


def view_redirect(request, old_id):
    todolist = get_object_or_404(Todolist, old_id=old_id)
    return redirect(todolist, permanent=True)


def view(request, slug):
    todolist = get_object_or_404(Todolist, slug=slug)
    svn_roots = Repo.objects.values_list(
            'svn_root', flat=True).order_by().distinct()
    # we don't hold onto the result, but the objects are the same here,
    # so accessing maintainers in the template is now cheap
    attach_maintainers(todolist.packages())
    attach_staging(todolist.packages(), todolist.pk)
    arches = {tp.arch for tp in todolist.packages()}
    repos = {tp.repo for tp in todolist.packages()}
    return render(request, 'todolists/view.html', {
        'list': todolist,
        'svn_roots': svn_roots,
        'arches': sorted(arches),
        'repos': sorted(repos),
    })


def list_pkgbases(request, slug, svn_root):
    '''Used to make bulk moves of packages a lot easier.'''
    todolist = get_object_or_404(Todolist, slug=slug)
    repos = get_list_or_404(Repo, svn_root=svn_root)
    pkgbases = TodolistPackage.objects.values_list(
            'pkgbase', flat=True).filter(
            todolist=todolist, repo__in=repos, removed__isnull=True).order_by(
            'pkgbase').distinct()
    return HttpResponse('\n'.join(pkgbases), content_type='text/plain')


def todolist_list(request):
    lists = get_annotated_todolists()
    return render(request, 'todolists/list.html', {'lists': lists})


@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)
            send_todolist_emails(form.instance, new_packages)
            return redirect(form.instance)
    else:
        form = TodoListForm()

    page_dict = {
            'title': 'Add Todo List',
            'description': '',
            'form': form,
            'submit_text': 'Create List'
    }
    return render(request, 'general_form.html', page_dict)


# TODO: this calls for transaction management and async emailing
@never_cache
def edit(request, slug):
    todo_list = get_object_or_404(Todolist, slug=slug)
    if request.POST:
        form = TodoListForm(request.POST, instance=todo_list)
        if form.is_valid():
            new_packages = create_todolist_packages(form)
            send_todolist_emails(todo_list, new_packages)
            return redirect(todo_list)
    else:
        form = TodoListForm(instance=todo_list,
                initial={'packages': todo_list.raw})

    page_dict = {
            'title': 'Edit Todo List: %s' % todo_list.name,
            'description': '',
            'form': form,
            'submit_text': 'Save List'
    }
    return render(request, 'general_form.html', page_dict)


class DeleteTodolist(DeleteView):
    model = Todolist
    # model in main == assumes name 'main/todolist_confirm_delete.html'
    template_name = 'todolists/todolist_confirm_delete.html'
    success_url = '/todo/'


@transaction.commit_on_success
def create_todolist_packages(form, creator=None):
    package_names = form.package_names()
    packages = form.packages()
    timestamp = now()
    if creator:
        # todo list is new, populate creator and slug fields
        todolist = form.save(commit=False)
        todolist.creator = creator
        todolist.slug = find_unique_slug(Todolist, todolist.name)
        todolist.save()
    else:
        # todo list already existed
        form.save()
        todolist = form.instance

        # first mark removed any packages not in the new list
        to_remove = set()
        for todo_pkg in todolist.packages():
            if todo_pkg.pkg and todo_pkg.pkg not in packages:
                to_remove.add(todo_pkg.pk)
            elif todo_pkg.pkgname not in package_names:
                to_remove.add(todo_pkg.pk)

        TodolistPackage.objects.filter(
                pk__in=to_remove).update(removed=timestamp)

    # Add (or mark unremoved) any packages in the new packages list
    todo_pkgs = []
    for package in packages:
        # ensure get_or_create uses the fields in our unique constraint
        defaults = {
            'pkg': package,
            'pkgbase': package.pkgbase,
            'repo':  package.repo,
        }
        todo_pkg, created = TodolistPackage.objects.get_or_create(
                todolist=todolist,
                pkgname=package.pkgname,
                arch=package.arch,
                defaults=defaults)
        if created:
            todo_pkgs.append(todo_pkg)
        else:
            save = False
            if todo_pkg.removed is not None:
                todo_pkg.removed = None
                save = True
            if todo_pkg.pkg != package:
                todo_pkg.pkg = package
                save = True
            if save:
                todo_pkg.save()

    return todo_pkgs


def send_todolist_emails(todo_list, new_packages):
    '''Sends emails to package maintainers notifying them that packages have
    been added to a todo list.'''
    # start by flipping the incoming list on its head: we want a list of
    # involved maintainers and the packages they need to be notified about.
    orphan_packages = []
    maint_packages = {}
    for todo_package in new_packages:
        maints = todo_package.pkg.maintainers.values_list('email', flat=True)
        if not maints:
            orphan_packages.append(todo_package)
        else:
            for maint in maints:
                maint_packages.setdefault(maint, []).append(todo_package)

    for maint, packages in maint_packages.iteritems():
        ctx = Context({
            'todo_packages': sorted(packages),
            'todolist': todo_list,
        })
        template = loader.get_template('todolists/email_notification.txt')
        send_mail('Packages added to todo list \'%s\'' % todo_list.name,
                template.render(ctx),
                'Arch Website Notification <nobody@archlinux.org>',
                [maint],
                fail_silently=True)

# vim: set ts=4 sw=4 et: