Add "make user" button when viewing person w/ no user account

tailbone/templates/people/view.mako

@@ -0,0 +1,27 @@
+## -*- coding: utf-8; -*-
+<%inherit file="/master/view.mako" />
+
+<%def name="extra_javascript()">
+  ${parent.extra_javascript()}
+  % if not instance.users and request.has_perm('users.create'):
+      <script type="text/javascript">
+        $(function() {
+            $('#make-user').click(function() {
+                if (confirm("Really make a user account for this person?")) {
+                    disable_button(this);
+                    $('form[name="make-user-form"]').submit();
+                }
+            });
+        });
+      </script>
+  % endif
+</%def>
+
+${parent.body()}
+
+% if not instance.users and request.has_perm('users.create'):
+    ${h.form(url('people.make_user'), name='make-user-form')}
+    ${h.csrf_token(request)}
+    ${h.hidden('person_uuid', value=instance.uuid)}
+    ${h.end_form()}
+% endif

tailbone/views/people.py

@@ -29,6 +29,8 @@ from __future__ import unicode_literals, absolute_import
 import six
 import sqlalchemy as sa
 
+from rattail.db import model, api
+
 import formalchemy as fa
 from pyramid.httpexceptions import HTTPFound, HTTPNotFound
 from webhelpers2.html import HTML, tags
@@ -36,8 +38,6 @@ from webhelpers2.html import HTML, tags
 from tailbone import forms
 from tailbone.views import MasterView2 as MasterView, AutocompleteView
 
-from rattail.db import model
-
 
 class CustomersFieldRenderer(fa.FieldRenderer):
 
@@ -63,14 +63,17 @@ class UsersFieldRenderer(fa.FieldRenderer):
 
     def render_readonly(self, **kwargs):
         users = self.raw_value
-        if not users:
-            return ""
         items = []
         for user in users:
             text = user.username
             url = self.request.route_url('users.view', uuid=user.uuid)
             items.append(HTML.tag('li', c=tags.link_to(text, url)))
-        return HTML.tag('ul', c=items)
+        if items:
+            return HTML.tag('ul', c=items)
+        elif self.request.has_perm('users.create'):
+            return HTML.tag('button', type='button', id='make-user', c="Make User")
+        else:
+            return ""
 
 
 class PeopleView(MasterView):
@@ -182,6 +185,39 @@ class PeopleView(MasterView):
             (model.VendorContact, 'person_uuid'),
         ]
 
+    def make_user(self):
+        uuid = self.request.POST['person_uuid']
+        person = self.Session.query(model.Person).get(uuid)
+        if not person:
+            return self.notfound()
+        if person.users:
+            raise RuntimeError("person {} already has {} user accounts: ".format(
+                person.uuid, len(person.users), person))
+        user = model.User()
+        user.username = api.make_username(person)
+        user.person = person
+        user.active = False
+        self.Session.add(user)
+        self.Session.flush()
+        self.request.session.flash("User has been created: {}".format(user.username))
+        return self.redirect(self.request.route_url('users.view', uuid=user.uuid))
+
+    @classmethod
+    def defaults(cls, config):
+        cls._people_defaults(config)
+        cls._defaults(config)
+
+    @classmethod
+    def _people_defaults(cls, config):
+        route_prefix = cls.get_route_prefix()
+        url_prefix = cls.get_url_prefix()
+
+        # make user for person
+        config.add_route('{}.make_user'.format(route_prefix), '{}/make-user'.format(url_prefix),
+                         request_method='POST')
+        config.add_view(cls, attr='make_user', route_name='{}.make_user'.format(route_prefix),
+                        permission='users.create')
+
 
 class PeopleAutocomplete(AutocompleteView):