Team name restrictions

gratipay/exceptions.py

@@ -57,6 +57,7 @@ class NoSelfTipping(Exception): pass
 class NoTippee(Exception): pass
 class NoTeam(Exception): pass
 class BadAmount(Exception): pass
+class InvalidTeamName(Exception): pass
 
 class FailedToReserveUsername(Exception): pass
 

gratipay/models/team.py

@@ -1,11 +1,32 @@
 """Teams on Gratipay receive payments and distribute payroll.
 """
+import re
 import requests
 from aspen import json, log
+from gratipay.exceptions import InvalidTeamName
 from gratipay.models import add_event
 from postgres.orm import Model
 
 
+# Should have at least one letter.
+TEAM_NAME_PATTERN = re.compile(r'^(?=.*[A-Za-z])([A-Za-z0-9.,-_ ]+)$')
+
+
+def slugize(name):
+    """ Create a slug from a team name.
+    """
+    if TEAM_NAME_PATTERN.match(name) is None:
+      raise InvalidTeamName
+
+    slug = name.strip()
+    for c in (',', ' '):
+        slug = slug.replace(c, '-') # Avoid % encoded characters in slug url.
+    while '--' in slug:
+        slug = slug.replace('--', '-')
+    slug = slug.strip('-')
+    return slug
+
+
 class Team(Model):
     """Represent a Gratipay team.
     """

gratipay/utils/fake_data.py

@@ -10,7 +10,7 @@
 from gratipay import wireup, MAX_TIP, MIN_TIP
 from gratipay.elsewhere import PLATFORMS
 from gratipay.models.participant import Participant
-from gratipay.models.team import Team
+from gratipay.models.team import slugize, Team
 from gratipay.models import community
 from gratipay.models import check_db
 
@@ -82,8 +82,7 @@ def fake_team(db, teamowner):
     teamslugname = faker.city()
 
     try:
-        #using community.slugize
-        teamslug = community.slugize(teamslugname)
+        teamslug = slugize(teamslugname)
         homepage = 'http://www.example.org/' + fake_text_id(3)
         _fake_thing( db
                    , "teams"

tests/py/test_teams.py

@@ -8,7 +8,7 @@
 
 from aspen.testing.client import FileUpload
 from gratipay.testing import Harness
-from gratipay.models.team import Team, AlreadyMigrated
+from gratipay.models.team import Team, AlreadyMigrated, slugize, InvalidTeamName
 
 
 REVIEW_URL = "https://github.com/gratipay/test-gremlin/issues/9"
@@ -235,6 +235,15 @@ def test_casing_of_urls_survives(self):
         assert team.onboarding_url == 'http://INSIDE.GRATipay.com/'
         assert team.todo_url == 'hTTPS://github.com/GRATIPAY'
 
+    def test_casing_of_slug_survives(self):
+        self.make_participant('alice', claimed_time='now', email_address='', last_paypal_result='')
+        data = dict(self.valid_data)
+        data['name'] = 'GratiTeam'
+        self.post_new(dict(data))
+        team = Team.from_slug('GratiTeam')
+        assert team is not None
+        assert team.slug_lower == 'gratiteam'
+
     def test_401_for_anon_creating_new_team(self):
         self.post_new(self.valid_data, auth_as=None, expected=401)
         assert self.db.one("SELECT COUNT(*) FROM teams") == 0
@@ -296,12 +305,20 @@ def test_error_message_for_bad_url(self):
         r = self.post_new(dict(self.valid_data, todo_url='foo'), expected=400)
         assert "Please enter an http[s]:// URL for the 'To-do URL' field." in r.body
 
+    def test_error_message_for_invalid_team_name(self):
+        self.make_participant('alice', claimed_time='now', email_address='[email protected]', last_paypal_result='')
+        data = dict(self.valid_data)
+        data['name'] = '~Invalid:Name;'
+        r = self.post_new(data, expected=400)
+        assert self.db.one("SELECT COUNT(*) FROM teams") == 0
+        assert "Sorry, your team name is invalid." in r.body
+
     def test_error_message_for_slug_collision(self):
         self.make_participant('alice', claimed_time='now', email_address='[email protected]', last_paypal_result='')
         self.post_new(dict(self.valid_data))
         r = self.post_new(dict(self.valid_data), expected=400)
         assert self.db.one("SELECT COUNT(*) FROM teams") == 1
-        assert "Sorry, there is already a team using 'gratiteam'." in r.body
+        assert "Sorry, there is already a team using 'Gratiteam'." in r.body
 
     def test_approved_team_shows_up_on_homepage(self):
         self.make_team(is_approved=True)
@@ -478,3 +495,39 @@ def test_update_updates_object_attributes(self):
         team.update(name='Enterprise', product_or_service='We save galaxies.')
         assert team.name == 'Enterprise'
         assert team.product_or_service == 'We save galaxies.'
+
+
+    # slugize
+
+    def test_slugize_slugizes(self):
+        assert slugize('Foo') == 'Foo'
+
+    def test_slugize_requires_a_letter(self):
+        assert pytest.raises(InvalidTeamName, slugize, '123')
+
+    def test_slugize_accepts_letter_in_middle(self):
+        assert slugize('1a23') == '1a23'
+
+    def test_slugize_converts_comma_to_dash(self):
+        assert slugize('foo,bar') == 'foo-bar'
+
+    def test_slugize_converts_space_to_dash(self):
+        assert slugize('foo bar') == 'foo-bar'
+
+    def test_slugize_allows_underscore(self):
+        assert slugize('foo_bar') == 'foo_bar'
+
+    def test_slugize_allows_period(self):
+        assert slugize('foo.bar') == 'foo.bar'
+
+    def test_slugize_trims_whitespace(self):
+        assert slugize('  Foo Bar  ') == 'Foo-Bar'
+
+    def test_slugize_trims_dashes(self):
+        assert slugize('--Foo Bar--') == 'Foo-Bar'
+
+    def test_slugize_trims_replacement_dashes(self):
+        assert slugize(',,Foo Bar,,') == 'Foo-Bar'
+
+    def test_slugize_folds_dashes_together(self):
+        assert slugize('1a----------------23') == '1a-23'

www/new.spt

@@ -1,7 +1,6 @@
 from datetime import datetime
 
 from aspen import Response
-from gratipay.models.community import slugize
 from gratipay.models.team import Team
 [---]
 request.allow('GET')
@@ -58,6 +57,7 @@ still_migrating = delta > 0
     <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
 
     <label><h2>{{ _("Team Name") }}</h2></label>
+    <p><i>{{ _("At least one letter A through Z, plus numbers, dashes (-), underscores (_), periods (.), comma (,) and whitespace.") }}</i></p>
     <input type="text" name="name" required autofocus>
 
     <label><h2>{{ _("Image") }}</h2></label>

www/teams/create.json.spt

@@ -4,8 +4,8 @@ from cStringIO import StringIO
 import requests
 from aspen import Response
 
-from gratipay.models.community import slugize
-from gratipay.models.team import Team
+from gratipay.exceptions import InvalidTeamName
+from gratipay.models.team import slugize, Team
 from gratipay.utils.images import (
     imgize,
     ImageTooLarge,
@@ -70,6 +70,11 @@ if request.method == 'POST':
                                  , field_names[field]
                                   ))
 
+    try:
+        fields['slug'] = slugize(fields['name'])
+    except InvalidTeamName:
+        raise Response(400, _("Sorry, your team name is invalid."))
+
     try:
         large, small = imgize(image, image_type)
     except ImageTooLarge:
@@ -79,8 +84,6 @@ if request.method == 'POST':
     except UnknownImageError:
         raise Response(500, _("Sorry, there was a problem saving your image. Please try again."))
 
-    fields['slug'] = slugize(fields['name'])
-
     try:
         team = Team.insert(user.participant, **fields)
     except IntegrityError: