Display and allow updating bulletin subscriptions

selfserv/jinja2.py

@@ -31,6 +31,7 @@ def environment(**options):
 	env.globals.update({
 		'import': importlib.import_module, # forgive me for I have sinned
 		'localtime': lambda dt: timezone.localtime(dt).strftime('%Y-%m-%d %H:%M'),
+		'settings': settings,
 		'static': staticfiles_storage.url,
 		'url': reverse,
 		'MEDIA_URL': settings.MEDIA_URL,

ssmain/jinja2/ssmain/splash.html

@@ -71,7 +71,7 @@
 			<a class="ui card" href="{{ url('membership') }}">
 				<div class="content">
 					<div class="header">Membership Portal</div>
-					<div class="description">View and update your membership details.</div>
+					<div class="description">View and update your membership details. Update your bulletin subscription.</div>
 				</div>
 				<div class="ui bottom attached primary button">
 					<i class="chevron right icon" style="margin: 0 .42857143em 0 -.21428571em;"></i>

ssmembership/jinja2/ssmembership/index.html

@@ -26,7 +26,7 @@
 		<h1>Membership details</h1>
 		
 		<form class="ui form" method="POST" action="{{ url('membership') }}">
-			<div class="ui required inline grid field">
+			<div class="ui disabled inline grid field">
 				<label class="three wide column">Member number</label>
 				<div class="nine wide column">{{ member.id }}</div>
 			</div>
@@ -35,7 +35,7 @@
 				<label class="three wide column">Student ID</label>
 				<input class="nine wide column" type="text" name="student_id" value="{{ member.student_id }}">
 			</div>
-			<div class="ui required inline grid field">
+			<div class="ui disabled inline grid field">
 				<label class="three wide column">Student email</label>
 				<div class="nine wide column">{{ member.email }}</div>
 			</div>
@@ -71,10 +71,40 @@
 				</select>
 			</div>
 			<div class="ui divider"></div>
-			<div class="ui required inline grid field">
+			<div class="ui disabled inline grid field">
 				<label class="three wide column">Membership expiry</label>
 				<div class="nine wide column">{{ member.expires.strftime('%d %B %Y') }}</div>
 			</div>
+			
+			{% if 'sspromotions' in settings.INSTALLED_APPS %}
+				<div class="ui divider"></div>
+				<h2>Bulletin subscriptions</h2>
+				
+				<div class="ui required inline grid field">
+					<label class="three wide column">Opt-in/out</label>
+					<select id="drop_bulletin_subscribe" class="ui dropdown eleven wide column" name="bulletin_subscribe">
+						<option value="">Bulletin opt-in/out</option>
+						<option value="0">Do not email me the MUMUS Bulletin</option>
+						<option value="1">Email me the weekly MUMUS Bulletin</option>
+					</select>
+				</div>
+				<div class="ui inline grid field">
+					<label class="three wide column">Subscriptions</label>
+					<div class="eleven wide column">
+						{% for group in import('sspromotions.models').Group.objects.all() %}
+							{% if group.contains_member(member) or group.subscribable %}
+								<div class="{% if not group.subscribable %}disabled {% endif %}field" style="display: inline; margin-right: 1em;">
+									<div class="ui checkbox">
+										<input type="checkbox" name="bulletin_group_{{ group.id }}" id="bulletin_group_{{ group.id }}"{% if group.contains_member(member) %} checked{% endif %}>
+										<label for="bulletin_group_{{ group.id }}">{{ group.name }}</label>
+									</div>
+								</div>
+							{% endif %}
+						{% endfor %}
+					</div>
+				</div>
+			{% endif %}
+			
 			<div class="ui divider"></div>
 			{% if errors %}
 				<div class="ui visible error message"><ul>
@@ -96,6 +126,9 @@
 			$('.ui.dropdown').dropdown();
 			$('#drop_year').dropdown('set selected', '{{ member.year }}');
 			$('#drop_msa').dropdown('set selected', '{{ '1' if member.is_msa else '0' }}');
+			{% if 'sspromotions' in settings.INSTALLED_APPS %}
+				$('#drop_bulletin_subscribe').dropdown('set selected', '{{ '1' if import('sspromotions.models').BulletinSubscription.is_member_subscribed(member) else '0' }}');
+			{% endif %}
 		</script>
 	{% endif %}
 {% endblock %}

ssmembership/views.py

@@ -52,6 +52,15 @@ def index(request):
 		})
 	
 	member.save()
-	return render(request, 'ssmembership/index.html', {'member': member, 'years': models.Member.YEARS})
 	
-	return render(request, 'ssmembership/index.html', {'member': member})
+	# Update bulletin
+	if 'sspromotions' in settings.INSTALLED_APPS:
+		import sspromotions.models
+		sspromotions.models.BulletinSubscription.set_member_subscribed(member, True if request.POST['bulletin_subscribe'] == '1' else False)
+		for group in sspromotions.models.Group.objects.filter(subscribable=True).all():
+			if ('bulletin_group_' + str(group.id)) in request.POST and request.POST['bulletin_group_' + str(group.id)]:
+				group.subscribe_member(member, True)
+			else:
+				group.subscribe_member(member, False)
+	
+	return render(request, 'ssmembership/index.html', {'member': member, 'years': models.Member.YEARS})

sspromotions/models.py

@@ -14,6 +14,8 @@
 #    You should have received a copy of the GNU Affero General Public License
 #    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+from ssmembership.models import Member
+
 from django.contrib.auth.models import User
 
 from django.conf import settings
@@ -27,6 +29,9 @@ class Group(models.Model):
 	
 	managers = JSONField(default=[], blank=True)
 	
+	class Meta:
+		ordering = ['order', 'id']
+	
 	def __str__(self):
 		return self.name
 	
@@ -41,8 +46,40 @@ class Group(models.Model):
 				return True
 		return False
 	
-	class Meta:
+	def contains_member(self, member):
-		ordering = ['order', 'id']
+		if self.subscribable:
+			return GroupSubscription.objects.filter(member=member, group=self).count() > 0
+		
+		if self.name == 'All Years':
+			return True
+		if next(v for k, v in Member.YEARS if k == member.year) in self.name.split('/'):
+			# Year level group
+			return True
+		return False
+	
+	def subscribe_member(self, member, subscribe):
+		if not self.subscribable:
+			raise Exception('Cannot subscribe to an unsubscribable group')
+		
+		if subscribe:
+			if GroupSubscription.objects.filter(member=member, group=self).count() == 0:
+				subscription = GroupSubscription(member=member, group=self)
+				subscription.save()
+		else:
+			GroupSubscription.objects.filter(member=member, group=self).delete()
+	
+	@staticmethod
+	def get_member_groups(member):
+		# Subscribable groups
+		subscriptions = GroupSubscription.objects.filter(member=member)
+		groups = set(subscription.group for subscription in subscriptions.all())
+		
+		# Non-subscribable groups
+		for group in Group.objects.filter(subscribable=False):
+			if group.contains_member(member):
+				groups.add(group)
+		
+		return groups
 
 class BulletinItem(models.Model):
 	author = models.ForeignKey(User, on_delete=models.CASCADE)
@@ -62,3 +99,24 @@ class BulletinItem(models.Model):
 		if user.email in self.author.delegates:
 			return True
 		return False
+
+class BulletinSubscription(models.Model):
+	member = models.ForeignKey(Member, on_delete=models.CASCADE)
+	subscribed = models.BooleanField()
+	
+	@staticmethod
+	def is_member_subscribed(member):
+		return BulletinSubscription.objects.filter(member=member, subscribed=True).count() > 0
+	
+	@staticmethod
+	def set_member_subscribed(member, subscribed):
+		if BulletinSubscription.objects.filter(member=member).count() > 0:
+			subscription = BulletinSubscription.objects.get(member=member)
+		else:
+			subscription = BulletinSubscription(member=member)
+		subscription.subscribed = subscribed
+		subscription.save()
+
+class GroupSubscription(models.Model):
+	member = models.ForeignKey(Member, on_delete=models.CASCADE)
+	group = models.ForeignKey(Group, on_delete=models.CASCADE)