Story#105314040 filter domains under contacts

app/models/contact.rb

@@ -353,19 +353,26 @@ class Contact < ActiveRecord::Base
   # what we can do load firstly by registrant
   # if total is smaller than needed, the load more
   # we also need to sort by valid_to
+  # todo: extract to drapper. Then we can remove Domain#roles
   def all_domains(page: nil, per: nil, params: {})
-    sql = %Q{domains.id IN (
-              select domain_id from domain_contacts where contact_id=#{id}
-              UNION
-              select id from domains where registrant_id=#{id}
-            )}
+    # compose filter sql
+    filter_sql = case params[:domain_filter]
+      when "Registrant".freeze
+        %Q{select id from domains where registrant_id=#{id}}
+      when AdminDomainContact.to_s, TechDomainContact.to_s
+        %Q{select domain_id from domain_contacts where contact_id=#{id} AND type='#{params[:domain_filter]}'}
+      else
+        %Q{select domain_id from domain_contacts where contact_id=#{id}  UNION select id from domains where registrant_id=#{id}}
+    end
 
+    # get sorting rules
     sorts = params.fetch(:sort, {}).first || []
     sort  = Domain.column_names.include?(sorts.first) ? sorts.first : "valid_to"
     order = {"asc"=>"desc", "desc"=>"asc"}[sorts.second] || "desc"
 
 
-    domains  = Domain.where(sql).includes(:registrar).page(page).per(per)
+    # fetch domains
+    domains  = Domain.where("domains.id IN (#{filter_sql})").includes(:registrar).page(page).per(per)
     if sorts.first == "registrar_name".freeze
       # using small rails hack to generate outer join
       domains = domains.includes(:registrar).where.not(registrars: {id: nil}).order("registrars.name #{order} NULLS LAST")
@@ -377,7 +384,7 @@ class Contact < ActiveRecord::Base
 
     # adding roles. Need here to make faster sqls
     domain_c = Hash.new([])
-    registrant_domains.where(id: domains.map(&:id)).each{|d| domain_c[d.id] |= ["Registrant"].freeze }
+    registrant_domains.where(id: domains.map(&:id)).each{|d| domain_c[d.id] |= ["Registrant".freeze] }
     DomainContact.where(contact_id: id, domain_id: domains.map(&:id)).each{|d| domain_c[d.domain_id] |= [d.type] }
     domains.each{|d| d.roles = domain_c[d.id].uniq}
 

app/views/admin/contacts/partials/_domains.haml

@@ -1,6 +1,16 @@
 - domains = @contact.all_domains(page: params[:domain_page], per: 20, params: params)
 #contacts.panel.panel-default
-  .panel-heading= t(:domains)
+  .panel-heading
+    .pull-left
+      = t(:domains)
+    .pull-right
+      = form_tag request.path, method: :get do
+        = select_tag :domain_filter, options_for_select(%w(Registrant AdminDomainContact TechDomainContact), selected: params[:domain_filter]),
+            include_blank: true, class: 'form-control2 selectize2'
+        %button.btn.btn-primary
+          %span.glyphicon.glyphicon-search
+    .clearfix
+
   .table-responsive
     %table.table.table-hover.table-bordered.table-condensed
       %thead