def create_group(project_id):
"""Adds a new group to a project"""
ps = ProjectService()
project = ps.get(project_id)
form = GroupService().get_form(project)
if form.validate_on_submit() and project.id is int(form.project_id.data):
group = GroupService().new(number=form.number.data, name=form.name.data)
ps.add_group(project, group)
flash("Successfully added a new group '%s'" % group, "success")
return redirect(url_for("view_project", project_id=project.id))
if request.method == "POST":
flash("Unable to add a new group", "danger")
return CreateGroup(project).render(form)
