Add workflow column filtering to cards (#2787)

app/models/filter.rb

@@ -35,6 +35,7 @@ class Filter < ApplicationRecord
       result = terms.reduce(result) do |result, term|
         result.mentioning(term, user: creator)
       end
+      result = result.where(column_id: column_ids) if column_ids.present?
 
       result.distinct
     end

app/models/filter/fields.rb

@@ -31,7 +31,7 @@ module Filter::Fields
 
   included do
     store_accessor :fields, :assignment_status, :indexed_by, :sorted_by, :terms,
-      :card_ids, :creation, :closure
+      :card_ids, :creation, :closure, :column_ids
 
     def assignment_status
       super.to_s.inquiry
@@ -60,6 +60,14 @@ module Filter::Fields
     def terms=(value)
       super(Array(value).filter(&:present?))
     end
+
+    def column_ids
+      Array(super).filter(&:present?).uniq
+    end
+
+    def column_ids=(value)
+      super(Array(value).filter(&:present?).uniq)
+    end
   end
 
   def with(**fields)

app/models/filter/params.rb

@@ -8,6 +8,7 @@ module Filter::Params
     :creation,
     :closure,
     card_ids: [],
+    column_ids: [],
     assignee_ids: [],
     creator_ids: [],
     closer_ids: [],