From 913182d31d788a10560190b06e961c74085303e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Thu, 21 Apr 2011 12:12:18 +0200
Subject: [PATCH] handle can_logo and can_theme permissions

---
 data/web/admin.css           |  6 ++++--
 extra/modules/backoffice.ptl |  3 ++-
 extra/modules/boconfig.ptl   | 25 ++++++++++++++++++++-----
 extra/modules/quota.py       | 17 +++++++++++++++++
 4 files changed, 43 insertions(+), 8 deletions(-)

diff --git a/data/web/admin.css b/data/web/admin.css
index df681c3..e1b8e66 100644
--- a/data/web/admin.css
+++ b/data/web/admin.css
@@ -65,6 +65,10 @@ body div#popup h2 {
 	padding-top: 3px;
 }
 
+div.themes hr {
+        visibility: hidden;
+}
+
 div.themes div.theme {
 	border: 1px dotted #888;
 	margin: 1em;
@@ -122,10 +126,8 @@ div#main-content {
 
 div#logo-selection {
         clear: both;
-        padding-top: 1em;
 }
 
-
 div#logo-selection form {
         margin: 1em;
 }
diff --git a/extra/modules/backoffice.ptl b/extra/modules/backoffice.ptl
index b3eec31..9f7c88b 100644
--- a/extra/modules/backoffice.ptl
+++ b/extra/modules/backoffice.ptl
@@ -171,7 +171,8 @@ class RootDirectory(AccessControlled, Directory):
         '<ul>'
         ' <li><a href="config/sitetitle" rel="popup">%s</a></li>' % _('Title')
         ' <li><a href="config/homepage">%s</a></li>' % _('Home Page Text')
-        ' <li><a href="config/appearance">%s</a></li>' % _('Appearance')
+        if quota.can_logo() or quota.can_theme():
+            ' <li><a href="config/appearance">%s</a></li>' % _('Appearance')
         ' <li><a href="config/texts/">%s</a></li>' % _('Message Texts')
         '</ul>'
         '</div>'
diff --git a/extra/modules/boconfig.ptl b/extra/modules/boconfig.ptl
index 6a60fdc..9dfb872 100644
--- a/extra/modules/boconfig.ptl
+++ b/extra/modules/boconfig.ptl
@@ -30,6 +30,9 @@ import qommon.admin.texts
 
 from qommon.form import *
 
+import quota
+
+
 def get_logo_url():
     pages_data_dir = os.path.join(get_publisher().app_dir, 'pages', 'data')
     for f in ('png', 'jpeg', 'gif'):
@@ -179,8 +182,18 @@ class ConfigDirectory(Directory):
             redirect('.')
 
     def appearance [html] (self):
-        request = get_request()
+        get_response().breadcrumb.append(('appearance', _('Appearance')))
+        html_top('config', title = _('Appearance'))
 
+        if quota.can_theme():
+            "<h2>%s</h2>" % _('Appearance')
+            self.appearance_theme()
+
+        if quota.can_logo():
+            self.appearance_logo()
+
+    def appearance_theme [html] (self):
+        request = get_request()
         if request.form.has_key('theme'):
             themes = qommon.template.get_themes()
             if themes.has_key(str(request.form['theme'])):
@@ -191,10 +204,6 @@ class ConfigDirectory(Directory):
 
         current_theme = get_cfg('branding', {}).get('theme', 'default')
 
-        get_response().breadcrumb.append(('appearance', _('Appearance')))
-        html_top('config', title = _('Appearance'))
-        "<h2>%s</h2>" % _('Appearance')
-
         '<div class="themes">'
 
         '<p>'
@@ -215,8 +224,10 @@ class ConfigDirectory(Directory):
             '<img src="/themes/%s/icon.png" alt="" class="theme-icon" />' % theme
             '</a>'
             '</div>'
+        '<hr class="clear" />'
         '</div>'
 
+    def appearance_logo [html] (self):
         '<div id="logo-selection">'
         '<h2>%s</h2>' % _('Logo')
 
@@ -236,7 +247,11 @@ class ConfigDirectory(Directory):
         '</form>'
         '</div>'
 
+
     def logo(self):
+        if not quota.can_logo():
+            raise errors.NotAvailableFeature()
+
         form = Form(enctype='multipart/form-data', use_tokens=False)
         form.add(FileWidget, 'file', title = _('Theme'), required=True)
         form.add_submit('submit', _('Upload'))
diff --git a/extra/modules/quota.py b/extra/modules/quota.py
index 27321ca..600884b 100644
--- a/extra/modules/quota.py
+++ b/extra/modules/quota.py
@@ -29,6 +29,12 @@ class QuotaExceeded(AccessError):
         return template.error_page(_('Quota Exceeded'),
                continue_to = (get_publisher().get_root_url(), _('the homepage')))
 
+class NotAvailableFeature(AccessError):
+    def render(self):
+        return template.error_page(_('This feature is not available.'),
+               continue_to = (get_publisher().get_root_url(), _('the homepage')))
+
+
 def get_max_number_of_forms():
     t = get_request().get_header('x-asec-quota-forms')
     if not t:
@@ -72,3 +78,14 @@ def may_add_a_new_answer(formdef):
     answers_count = formdef.data_class().count()
     return (answers_count < max_answers)
 
+def get_boolean_quota(s):
+    v = get_request().get_header(s)
+    if v and v.lower() == 'true':
+        return True
+    return False
+
+def can_logo():
+    return get_boolean_quota('x-asec-can-logo')
+
+def can_theme():
+    return get_boolean_quota('x-asec-can-theme')