Methods to add/update invitations

invitations/views.py → invitations/invitations.py

 from django import forms
+from django.conf import settings
+from django.db import transaction
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import render_to_response
 from synnefo.api.common import method_not_allowed
+from synnefo.db.models import Invitations, SynnefoUser
+from synnefo.logic import users
 
 class InvitationForm(forms.Form):
     emails = forms.Textarea
@@ -21,9 +25,52 @@ class InvitationForm(forms.Form):
 def inv_demux(request):
     if request.method == 'GET':
 
-        data = t.render('invitation.html', {'invitations': None})
+        #data = t.render('invitation.html', {'invitations': None})
         return  HttpResponse(data)
     elif request.method == 'POST':
         f = InvitationForm(request)
     else:
-        method_not_allowed(request)
\ No newline at end of file
+        method_not_allowed(request)
+
+@transaction.commit_on_success
+def add_invitation(source, name, email):
+    """
+        Adds an invitation, if the source user has not gone over his/her
+        invitation count or the target user has not been invited already
+    """
+    num_inv = Invitations.objects.filter(source = source).count()
+
+    if num_inv >= settings.MAX_INVITATIONS:
+        raise TooManyInvitations(source)
+
+    target = SynnefoUser.objects.filter(name = name, uniq = email)
+
+    if target.count() is not 0:
+        raise AlreadyInvited("User already invited: %s <%s>" % (name, email))
+
+    users.register_student(name, '', email)
+
+    inv = Invitations()
+    inv.source = source
+    inv.target = target
+    inv.save()
+
+@transaction.commit_on_success
+def invitation_accepted(invitation):
+    """
+        Mark an invitation as accepted
+    """
+    invitation.accepted = True
+    invitation.save()
+
+
+class TooManyInvitations(BaseException):
+
+    def __init__(self, source):
+        self.source = source
+
+
+class AlreadyInvited(BaseException):
+
+    def __init__(self, msg):
+        self.msg = msg
\ No newline at end of file

settings.py.dist

@@ -240,3 +240,5 @@ LOGIN_PATH = "/login"
 #          work after this many hours after 2011/05/10
 AUTH_TOKEN_DURATION = 30 * 24
 
+#Max number of invitations allowed per user
+MAX_INVITATIONS = 20
\ No newline at end of file

settings.py.gousiosg

+
+AUTH_TOKEN_DURATION = 24 * 234
+
+DISPATCHER_LOG_FILE = "synnefo.log"
+
+BACKEND_PREFIX_ID = "gousiosg-"
+
+fix_amqp_settings(BACKEND_PREFIX_ID)
\ No newline at end of file