Add mailer app to add support to send document or document links via email

mayan/apps/mailer/views.py

@@ -0,0 +1,91 @@
+from __future__ import absolute_import
+
+from django.contrib import messages
+from django.contrib.sites.models import Site
+from django.core.exceptions import PermissionDenied
+from django.core.mail import EmailMultiAlternatives
+from django.core.urlresolvers import reverse
+from django.http import HttpResponseRedirect
+from django.shortcuts import get_object_or_404, render_to_response
+from django.template import Context, RequestContext, Template
+from django.utils.html import strip_tags
+from django.utils.translation import ugettext_lazy as _
+
+from acls.models import AccessEntry
+from documents.models import Document, RecentDocument
+from permissions.models import Permission
+
+from .forms import DocumentMailForm
+from .permissions import (PERMISSION_MAILING_LINK,
+                          PERMISSION_MAILING_SEND_DOCUMENT)
+from .tasks import task_send_document
+
+
+def send_document_link(request, document_id=None, document_id_list=None, as_attachment=False):
+    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(',')]
+
+    if as_attachment:
+        permission = PERMISSION_MAILING_SEND_DOCUMENT
+    else:
+        permission = PERMISSION_MAILING_LINK
+
+    try:
+        Permission.objects.check_permissions(request.user, [permission])
+    except PermissionDenied:
+        documents = AccessEntry.objects.filter_objects_by_access(permission, request.user, documents)
+
+    if not documents:
+        messages.error(request, _('Must provide at least one document.'))
+        return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('main:home')))
+
+    post_action_redirect = reverse('documents: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, as_attachment=as_attachment)
+        if form.is_valid():
+            context = Context({
+                'link': 'http://%s%s' % (Site.objects.get_current().domain, reverse('documents: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))
+
+            task_send_document.apply_async(args=(subject_text, body_text_content, request.user.email, form.cleaned_data['email']), kwargs={'document_ids': [document.pk for document in documents]}, queue='mailing')
+            messages.success(request, _('Successfully queued for delivery via email.'))
+
+            return HttpResponseRedirect(next)
+    else:
+        form = DocumentMailForm(as_attachment=as_attachment)
+
+    context = {
+        'form': form,
+        'next': next,
+        'submit_label': _('Send'),
+        'submit_icon_famfam': 'email_go'
+    }
+    if len(documents) == 1:
+        context['object'] = documents[0]
+        if as_attachment:
+            context['title'] = _('Email document: %s') % ', '.join([unicode(d) for d in documents])
+        else:
+            context['title'] = _('Email link for document: %s') % ', '.join([unicode(d) for d in documents])
+    elif len(documents) > 1:
+        if as_attachment:
+            context['title'] = _('Email documents: %s') % ', '.join([unicode(d) for d in documents])
+        else:
+            context['title'] = _('Email links for documents: %s') % ', '.join([unicode(d) for d in documents])
+
+    return render_to_response('main/generic_form.html', context,
+        context_instance=RequestContext(request))