Add config option to disable the invites

Some foodcoops require that an admin adds all users to have more control
over the users.

app/views/admin/configs/_tab_others.html.haml

@@ -2,5 +2,6 @@
   = config_input form, :use_wiki, as: :boolean
 = config_input form, :use_nick, as: :boolean
 = config_input form, :tolerance_is_costly, as: :boolean
+= config_input form, :disable_invite, as: :boolean
 = config_input form, :help_url, as: :url, input_html: {class: 'input-xlarge'}
 = config_input form, :webstats_tracking_code, as: :text, input_html: {class: 'input-xxlarge', rows: 3}

app/views/admin/ordergroups/_form.html.haml

@@ -1,4 +1,4 @@
-- unless @ordergroup.new_record?
+- unless @ordergroup.new_record? || FoodsoftConfig[:disable_invite]
   %p= t('.first_paragraph', url: link_to(t('.here'), new_invite_path(id: @ordergroup.id), remote: true)).html_safe
 = simple_form_for [:admin, @ordergroup] do |f|
   - captured = capture do

app/views/admin/workgroups/_form.html.haml

@@ -1,4 +1,5 @@
-%p= t('.first_paragraph', url: link_to(t('.here'), new_invite_path(id: @workgroup.id), remote: true)).html_safe
+- unless FoodsoftConfig[:disable_invite]
+  %p= t('.first_paragraph', url: link_to(t('.here'), new_invite_path(id: @workgroup.id), remote: true)).html_safe
 = simple_form_for [:admin, @workgroup] do |f|
   - captured = capture do
     %h4= t 'admin.access_to'

app/views/foodcoop/workgroups/edit.html.haml

@@ -1,6 +1,7 @@
 - title t('.title')
 
-%p= t('.invite_new', invite_link: link_to(t('.invite_link'), new_invite_path(id: @workgroup.id))).html_safe
+- unless FoodsoftConfig[:disable_invite]
+  %p= t('.invite_new', invite_link: link_to(t('.invite_link'), new_invite_path(id: @workgroup.id))).html_safe
 = simple_form_for [:foodcoop, @workgroup] do |f|
   = render 'shared/group_form_fields', f: f
   .form-actions

app/views/home/ordergroup.html.haml

@@ -12,7 +12,8 @@
       %p
         %b= heading_helper(Ordergroup, :user_tokens) + ':'
         = @ordergroup.memberships.map{|m| show_user m.user}.join(', ')
-      = link_to t('.invite'), new_invite_path(:id => @ordergroup), :remote => true, class: 'btn btn-primary'
+      - unless FoodsoftConfig[:disable_invite]
+        = link_to t('.invite'), new_invite_path(:id => @ordergroup), :remote => true, class: 'btn btn-primary'
   .span8
     %h2= t('.account_summary')
     .well.well-small

app/views/home/profile.html.haml

@@ -22,8 +22,9 @@
             - else
               = @current_user.ordergroup.name
           %td.right
-            = link_to t('.groups.invite'), new_invite_path(id: @current_user.ordergroup),
-                      remote: true, class: 'btn btn-success btn-small'
+            - unless FoodsoftConfig[:disable_invite]
+              = link_to t('.groups.invite'), new_invite_path(id: @current_user.ordergroup),
+                        remote: true, class: 'btn btn-success btn-small'
     - if @current_user.workgroups.any?
       %h3= User.human_attribute_name(:workgroup, count: 2)
       %table.table.table-striped