Instance option to disable voting

src/adhocracy/controllers/instance.py

@@ -129,6 +129,9 @@ class InstanceVotingEditForm(formencode.Schema):
     allow_extra_fields = True
     allow_delegate = validators.StringBool(not_empty=False, if_empty=False,
                                            if_missing=False)
+
+    voting_disabled = validators.StringBool(not_empty=False, if_empty=False,
+                                           if_missing=False)
     if not config.get_bool('adhocracy.hide_final_adoption_votings'):
         allow_adopt = validators.StringBool(not_empty=False, if_empty=False,
                                             if_missing=False)
@@ -664,6 +667,7 @@ def settings_voting(self, id):
             'activation_delay': c.page_instance.activation_delay,
             'allow_adopt': c.page_instance.allow_adopt,
             'allow_delegate': c.page_instance.allow_delegate,
+            'voting_disabled': c.page_instance.voting_disabled,
             '_tok': csrf.token_id()}
         if votedetail.is_enabled():
             defaults['votedetail_badges'] = [
@@ -681,13 +685,19 @@ def settings_voting_update(self, id, format='html'):
         c.page_instance = self._get_current_instance(id)
         require.instance.edit(c.page_instance)
 
-        updated_attributes = ['allow_delegate']
+        old_voting_disabled = getattr(c.page_instance, 'voting_disabled')
+
+        updated_attributes = ['allow_delegate', 'voting_disabled']
         if not config.get_bool('adhocracy.hide_final_adoption_votings'):
             updated_attributes.extend(
                 ['required_majority', 'activation_delay', 'allow_adopt'])
         updated = update_attributes(
             c.page_instance, self.form_result, updated_attributes)
-
+
+        if old_voting_disabled != getattr(c.page_instance, 'voting_disabled'):
+            from adhocracy.lib.cache import invalidate_instance_polls
+            invalidate_instance_polls(c.page_instance)
+
         if votedetail.is_enabled():
             new_badges = self.form_result['votedetail_badges']
             updated_vd = c.page_instance.votedetail_userbadges != new_badges

src/adhocracy/controllers/poll.py

@@ -100,6 +100,9 @@ def rate(self, id, format):
         # rating is like polling but steps via abstention, i.e. if you have
         # first voted "for", rating will first go to "abstain" and only
         # then produce "against"-
+        if c.instance.voting_disabled:
+            abort(403, _("Voting disabled."))
+
         c.poll = self._get_open_poll(id)
         if c.poll.action not in [model.Poll.RATE, model.Poll.SELECT]:
             abort(400, _("This is not a rating poll."))

src/adhocracy/lib/cache/__init__.py

@@ -6,7 +6,8 @@
 from invalidate import (invalidate_user, invalidate_vote, invalidate_page,
                         invalidate_delegateable, invalidate_delegation,
                         invalidate_revision, invalidate_comment,
-                        invalidate_poll, invalidate_tagging, invalidate_text,
+                        invalidate_poll, invalidate_instance_polls,
+                        invalidate_tagging, invalidate_text,
                         invalidate_selection, invalidate_badge,
                         invalidate_userbadges, invalidate_delegateablebadges,
                         invalidate_instance)

src/adhocracy/lib/cache/invalidate.py

@@ -83,6 +83,13 @@ def invalidate_poll(poll):
         invalidate_comment(poll.subject)
 
 
+def invalidate_instance_polls(instance):
+    # invalidates all polls of an instance
+    for deleg in instance.delegateables:
+        for poll in deleg.polls:
+            invalidate_poll(poll)
+
+
 def invalidate_instance(instance):
     # muharhar cache epic fail
     clear_tag(instance)

src/adhocracy/migration/versions/079_add_voting_disabled_option.py

@@ -0,0 +1,13 @@
+from sqlalchemy import MetaData, Table, Boolean, Column
+
+from sqlalchemy import Integer
+
+
+def upgrade(migrate_engine):
+    meta = MetaData(bind=migrate_engine)
+
+    instance_table = Table('instance', meta, autoload=True)
+    col = Column('voting_disabled', Boolean, nullable=False, default=False,
+                 server_default="0")
+    col.create(instance_table)
+

src/adhocracy/model/instance.py

@@ -50,6 +50,7 @@
     Column('editable_comments_default', Boolean, nullable=True, default=True),
     Column('editable_proposals_default', Boolean, nullable=True, default=True),
     Column('require_valid_email', Boolean, nullable=True, default=True),
+    Column('voting_disabled', Boolean, nullable=True, default=False),
     Column('allow_thumbnailbadges', Boolean, default=False),
     Column('thumbnailbadges_height', Integer, nullable=True),
     Column('thumbnailbadges_width', Integer, nullable=True),

src/adhocracy/templates/comment/tiles.html

@@ -154,9 +154,11 @@ <h5>${_("(deleted)")}</h5>
                 </span>
             </h5>
 
+            %if not c.instance.voting_disabled:
             <div class="vote_comment">
                 ${tiles.poll.widget(comment.poll)}
             </div>
+            %endif
         </div>
 
         ## comment text

src/adhocracy/templates/instance/settings_voting.html

@@ -32,6 +32,8 @@ <h2>${c.settings_menu.current['label']}</h2>
     %endif
 
     ${forms.checkbox(_("Enable vote delegation"), 'allow_delegate', 15)}
+
+    ${forms.checkbox(_("Disable voting"), 'voting_disabled', 20)}
 
 %if c.votedetail_all_userbadges is not None:
     <h4>${_('Break down Voting Result by Badge')}</h4>

src/adhocracy/templates/poll/tiles.html

@@ -12,6 +12,8 @@
 con = tile.widget_action_attrs(model.Vote.NO)
 %>
 <div class="vote_wrapper">
+
+%if not c.instance.voting_disabled:
 <div id="${tile.html_id}" class="${tile.widget_class}">
     %if tile.can_show:
         <a href="${tile.votes_listing_url}" rel="#overlay-url" class="vote_count ${tile.count_class}"
@@ -32,6 +34,7 @@
     %endif
     >
 </div>
+%endif
 
 %if delegate_url:
 <span class="or">${_('or:')}</span>

src/adhocracy/templates/proposal/show.html

@@ -231,8 +231,10 @@ <h6>${_('Last Activity')}</h6>
 
         <% tally = c.proposal.rate_poll.tally %>
 
+        %if not c.instance.voting_disabled:
         ${sidebar_defs.votes(c.proposal.rate_poll)}
         ${sidebar_defs.votedetail(c.votedetail)}
+        %endif
 
         <h6>${_('Category')}</h6>
         <p>

src/adhocracy/templates/proposal/tiles.html

@@ -33,6 +33,8 @@ <h3><a class="link" href="${h.entity_url(proposal)}">${proposal.title}</a>
                 %endif
                 %endif
             </h3>
+
+            %if not c.instance.voting_disabled:
             <div class="meta">
                 %if proposal.is_adopt_polling():
                     ${_("%s%% approval") % int(proposal.adopt_poll.tally.rel_for * 100)|n}
@@ -46,6 +48,8 @@ <h3><a class="link" href="${h.entity_url(proposal)}">${proposal.title}</a>
                     ·
                 %endif
             </div>
+            %endif
+
         </div>
     </li>
 </%def>