simplify state selection

app/controllers/volunteers_controller.rb

@@ -5,7 +5,7 @@ class VolunteersController < ApplicationController
   before_action :set_state, only: [:update]
 
   def index
-    @q = Volunteer.ransack(params[:q] || { state_cont: 'registered' })
+    @q = Volunteer.ransack(params[:q])
     @volunteers = @q.result
   end
 

app/views/volunteers/_state_select.slim

-ruby:
-  scope = {scope: [:simple_form, :options, :volunteer, :state]}
-  size ||= 'xs'
-  descriptive ||= false
-  state_filter = @q.base.conditions.first.values.first.value if @q.base.conditions.first
-  label = "#{t_attr(:state)} "
-  label += ": #{t(state_filter, scope)} " if descriptive && state_filter.present?
+- state_filter = request.GET[:q] && request.GET[:q][:state_cont].present? ? request.GET[:q][:state_cont] : 'all'
 .btn-group
-  button.btn.btn-default.dropdown-toggle type='button' data-toggle='dropdown' aria-label="#{t_attr(:state)}" aria-haspopup='true' aria-expanded='false' class="btn-#{size}"
-    = label
+  button.btn.btn-default.dropdown-toggle type='button' data-toggle='dropdown' aria-label="#{t_attr(:state)}" aria-haspopup='true' aria-expanded='false' class="btn-md"
+    = "#{t_attr(:state)} : "
+    = t(state_filter, scope: [:simple_form, :options, :volunteer, :state]) + ' '
     span.caret aria-hidden='true'
   ul.dropdown-menu
     li
       = link_to t('all'), "#{volunteers_path}?q[state_cont]="
     - Volunteer.state_collection.each do |s|
-      li= link_to t(s.to_s, scope), "#{volunteers_path}?q[state_cont]=#{s}"
+      li= link_to t(s.to_s, scope: [:simple_form, :options, :volunteer, :state]), "#{volunteers_path}?q[state_cont]=#{s}"

app/views/volunteers/index.html.slim

@@ -2,7 +2,7 @@
   .col-xs-12
     h1= t('volunteers')
 .row
-  .col-xs-12= render 'state_select', size: 'md', descriptive: true
+  .col-xs-12= render 'state_select'
 .row
   .col-xs-12
   table.table.table-striped

config/locales/de.yml

@@ -423,6 +423,7 @@ de:
           registered: interessiert / angemeldet
           rejected: Absage
           reserved: kontaktiert / für Gespräch eingeladen
+          all: Alle
     placeholders:
     required:
       mark: '*'

config/locales/en.yml

@@ -281,6 +281,7 @@ en:
           registered: intrested / registered
           rejected: rejected
           reserved: contacted / invited to meeting
+          all: All
     placeholders:
     required:
       mark: '*'