Add document link mailing app

apps/mailer/__init__.py

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+from __future__ import absolute_import
+
+from django.utils.translation import ugettext_lazy as _
+
+from navigation.api import register_links
+from documents.models import Document
+from acls.api import class_permissions
+
+from .permissions import PERMISSION_MAILING_LINK
+
+send_document_link = {'text': _(u'email link'), 'view': 'send_document_link', 'args': 'object.pk', 'famfam': 'email_link', 'permissions': [PERMISSION_MAILING_LINK]}
+
+register_links(Document, [send_document_link])
+
+class_permissions(Document, [
+    PERMISSION_MAILING_LINK,
+])

apps/mailer/forms.py

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+from django import forms
+from django.utils.translation import ugettext as _
+
+
+class DocumentMailForm(forms.Form):
+    email = forms.EmailField(label=_(u'Email address'))
+    subject = forms.CharField(label=_(u'Subject'), required=False, initial=_(u'Link for document: {{ document }}'))
+    body = forms.CharField(label=_(u'Body'), widget=forms.widgets.Textarea(), required=False, initial=_(u'To access this document click on the following link: <a href="{{ link }}">{{ link }}</a>'))

apps/mailer/models.py

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+from django.db import models
+
+# Create your models here.

apps/mailer/permissions.py

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+from __future__ import absolute_import
+
+from django.utils.translation import ugettext_lazy as _
+
+from permissions.models import PermissionNamespace, Permission
+
+mailer_namespace = PermissionNamespace('mailing', _(u'Mailing'))
+
+PERMISSION_MAILING_LINK = Permission.objects.register(mailer_namespace, 'mail_link', _(u'Send document link via email'))

apps/mailer/urls.py

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+from django.conf.urls.defaults import patterns, url
+
+urlpatterns = patterns('mailer.views',
+    url(r'^(?P<document_id>\d+)/send/link/$', 'send_document_link', (), 'send_document_link'),
+)

apps/mailer/views.py

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+from __future__ import absolute_import
+
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.translation import ugettext_lazy as _
+from django.shortcuts import get_object_or_404
+from django.contrib import messages
+from django.http import HttpResponseRedirect
+from django.core.urlresolvers import reverse
+from django.core.exceptions import PermissionDenied
+from django.core.mail import EmailMultiAlternatives
+from django.utils.html import strip_tags
+from django.template import Context, Template
+from django.contrib.sites.models import Site
+
+from documents.models import Document, RecentDocument
+from permissions.models import Permission
+from acls.models import AccessEntry
+
+from .permissions import PERMISSION_MAILING_LINK
+from .forms import DocumentMailForm
+
+
+def send_document_link(request, document_id=None, document_id_list=None):
+    if document_id:
+        documents = [get_object_or_404(Document, pk=document_id)]
+    elif document_id_list:
+        documents = [get_object_or_404(Document, pk=document_id) for document_id in document_id_list.split(',')]
+
+    try:
+        Permission.objects.check_permissions(request.user, [PERMISSION_MAILING_LINK])
+    except PermissionDenied:
+        documents = AccessEntry.objects.filter_objects_by_access(PERMISSION_MAILING_LINK, request.user, documents)
+
+    if not documents:
+        messages.error(request, _(u'Must provide at least one document.'))
+        return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
+
+    post_action_redirect = reverse('document_list_recent')
+
+    next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', post_action_redirect)))
+
+    for document in documents:
+        RecentDocument.objects.add_document_for_user(request.user, document)
+
+    if request.method == 'POST':
+        form = DocumentMailForm(request.POST)
+        if form.is_valid():
+            context = Context({
+                'link': 'http://%s%s' % (Site.objects.get_current().domain, reverse('document_view_simple', args=[document.pk])),
+                'document': document
+            })
+            body_template = Template(form.cleaned_data['body'])
+            body_html_content = body_template.render(context)
+            body_text_content = strip_tags(body_html_content)
+
+            subject_template = Template(form.cleaned_data['subject'])
+            subject_text = strip_tags(subject_template.render(context))
+
+            email_msg = EmailMultiAlternatives(subject_text, body_text_content, request.user.email, [form.cleaned_data['email']])
+            email_msg.attach_alternative(body_html_content, 'text/html')
+            try:
+                email_msg.send()
+            except Exception, exc:
+                messages.error(request, _(u'Error sending document link for document %(document)s; %(error)s.') % {
+                    'document': document, 'error': exc})
+            else:
+                messages.success(request, _(u'Successfully sent document link via email.'))
+                return HttpResponseRedirect(next)
+    else:
+        form = DocumentMailForm()
+
+    context = {
+        'form': form,
+        'next': next,
+        'submit_label': _(u'send'),
+    }
+    if len(documents) == 1:
+        context['object'] = documents[0]
+        context['title'] = _(u'Email link for document: %s') % ', '.join([unicode(d) for d in documents])
+    elif len(documents) > 1:
+        context['title'] = _(u'Email links for documents: %s') % ', '.join([unicode(d) for d in documents])
+
+    return render_to_response('generic_form.html', context,
+        context_instance=RequestContext(request))