From 6ddcd43107bb67816f610216740c9822b222852b Mon Sep 17 00:00:00 2001
From: Gustavo <gbl3@cin.ufpe.br>
Date: Fri, 21 Jul 2017 21:07:37 -0300
Subject: [PATCH] Broadcast dificulties from bulletin

---
 bulletin/utils.py | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+), 0 deletions(-)
 create mode 100644 bulletin/utils.py

diff --git a/bulletin/utils.py b/bulletin/utils.py
new file mode 100644
index 0000000..1ea0b5c
--- /dev/null
+++ b/bulletin/utils.py
@@ -0,0 +1,57 @@
+import json
+import textwrap
+
+from django.db.models import Q
+from django.utils import timezone
+from django.utils import formats
+from django.utils.html import strip_tags
+from django.template.loader import render_to_string
+from django.core.urlresolvers import reverse
+from django.utils.translation import ugettext_lazy as _
+
+from channels import Group
+
+
+from chat.models import Conversation, TalkMessages, ChatVisualizations
+from users.models import User
+
+
+
+
+
+def brodcast_dificulties(request, message, subject):
+	msg = TalkMessages()
+	msg.text = message
+	msg.user = request.user
+	msg.subject = subject
+
+	simple_notify = textwrap.shorten(strip_tags(msg.text), width = 30, placeholder = "...")
+
+	for p in subject.professor.all():
+		talks = Conversation.objects.filter((Q(user_one = request.user) & Q(user_two__email = p.email)) | (Q(user_two = request.user) & Q(user_one__email = p.email)))
+
+		if talks.count() > 0:
+			msg.talk = talks[0]
+		else:
+			msg.talk = Conversation.objects.create(user_one = request.user, user_two = p)
+
+		msg.save()
+
+		notification = {
+			"type": "chat",
+			"subtype": subject.slug,
+			"space": "subject",
+			"user_icon": request.user.image_url,
+			"notify_title": str(request.user),
+			"simple_notify": simple_notify,
+			"view_url": reverse("chat:view_message", args = (msg.id, ), kwargs = {}),
+			"complete": render_to_string("chat/_message.html", {"talk_msg": msg}, request),
+			"container": "chat-" + str(request.user.id),
+			"last_date": _("Last message in %s")%(formats.date_format(msg.create_date, "SHORT_DATETIME_FORMAT"))
+		}
+
+		notification = json.dumps(notification)
+
+		Group("user-%s" % p.id).send({'text': notification})
+
+		ChatVisualizations.objects.create(viewed = False, message = msg, user = p)
--
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