def get(self):
try:
i = Invitation.get(self.request.get('invitation', ''))
if i is None:
self.redirect("/")
return
# only allow privilege increase, when the project and the code matches the stored Invitation instance
if int(self.request.get('code', 0))==i.code and str(self.request.get('project', ''))==str(i.project.key()):
# check for existing access to project
rights = ProjectRights.gql("WHERE user=:user and project=:project", user=users.get_current_user(), project=i.project).get()
# edit rights
if not rights:
rights = ProjectRights(project=i.project, user=users.GetCurrentUser(), right=i.right)
# possibly upgrade rights
if rights.right<i.right:
rights.right = i.right
rights.put()
# delete invitation
i.delete()
else:
# invalid invitation
raise Exception("Invalid invitation %(p1)s!=%(p2)s" % {'p1': self.request.get('project', ''), 'p2':i.project.key() } )
# redirect to project summary, even if we can not increase privilege
self.redirect("/summary?project=%(project)s" % { 'project': i.project.key() } )
except BadKeyError:
#
self.redirect("/summary?project=%(project)s" % { 'project': self.request.get('project', 'invalid')} )
return
def post(self):
action = self.request.get('action', 'add')
if action == 'add':
if len(self.request.get('name'))<2:
raise Exception("project name must be at least 2 characters long")
if len(self.request.get('currency'))<1:
raise Exception("project currency must be at least one character long")
# create the project and return the new location to go to
project = Project(name=self.request.get('name'), currency=self.request.get('currency'))
project.put()
# add access rights for this user to the new project
rights = ProjectRights(project=project, user=users.GetCurrentUser(), right=Security.Right_Owner)
rights.put()
# redirect to summary
self.response.out.write("/summary?project=%(key)s" % {'key':project.key()})
elif action == 'delete':
# remove me from the projects right list
project = Project.get(self.request.get('project', ''))
if (not project):
raise Exception("Unknown project!")
# check rights of current user for this project, and deny access if not permitable
rights = ProjectRights.gql("WHERE user=:user and project=:project", user=users.get_current_user(), project=project).get()
if rights:
rights.delete()
# redirect to my page
self.response.out.write("/")
else:
raise Exception("Unknown action '%(action)s'!" % {'action':action})
