add eds_pub_date facet

Author: dnoneill

app/components/articles/response/facet_group_component.html.erb

@@ -13,7 +13,7 @@
             <%= label_tag("eds_limiter_#{limiter.id}") do %>
               <%= check_box(
                     'f',
-                    'eds_search_limiters_facet',
+                    limiter.facet_field,
                     { multiple: true, id: "eds_limiter_#{limiter.id}", checked: limiter.selected? },
                     limiter.label,
                     nil

app/components/articles_range_limit_component.html.erb

@@ -3,6 +3,25 @@
     <%= @facet_field.label %>
   <% end %>
   <% component.with_body do %>
+    <% if month_facets.present? %>
+      <div class="facet-options mt-1 ms-1" data-behavior='facet-options-checkboxes'>
+        <ul class="checkbox-facet-list">
+          <% month_facets.each do |limiter| %>
+            <li data-behavior='facet-options-checkbox'>
+              <%= label_tag("eds_limiter_#{limiter.id}") do %>
+                <%= radio_button('f', limiter.facet_field,
+                                limiter.label,
+                                { id: "eds_limiter_#{limiter.id}", checked: limiter.selected? })%>
+                <%= link_to(limiter.search_url, data: { turbo: false }) do %>
+                  <%= limiter.label %>
+                <% end %>
+              <% end %>
+            </li>
+          <% end %>
+        </ul>
+      <div data-behavior='loading-spinner' class='loading-spinner' style='display:none'></div>
+      </div>
+    <% end %>
     <% if @facet_field.selected_range_facet_item %>
       <%= render BlacklightRangeLimit::RangeSegmentsComponent.new(facet_field: @facet_field, facet_items: [@facet_field.selected_range_facet_item], classes: ['current']) %>
     <% end %>

app/components/articles_range_limit_component.rb

@@ -4,4 +4,8 @@ class ArticlesRangeLimitComponent < BlacklightRangeLimit::RangeFacetComponent
   def date_range
     Eds::DateRangeParser.new(@facet_field.response, params, @facet_field.key)
   end
+
+  def month_facets
+    helpers.facet_options_presenter.month_facets
+  end
 end

app/controllers/articles_controller.rb

@@ -175,6 +175,7 @@ def eds_init
     # Setting `if: false` for the limiters facet so the facet does not render as
     # a facet but we still can apploy our configured label to the breadcrumbs
     config.add_facet_field 'eds_search_limiters_facet', label: 'Settings', if: false
+    config.add_facet_field 'eds_pub_date_facet', label: '', single: true, item_presenter: PubDatePresenter
     config.add_facet_field 'pub_year_tisim', label: 'Date', component: ArticlesRangeLimitComponent, range: true
     config.add_facet_field 'eds_publication_type_facet', label: 'Source type', component: Articles::Response::AdditionalSelectionsFacetComponent
     config.add_facet_field 'eds_language_facet', label: 'Language', component: Articles::Response::LimitedFacetFieldListComponent

app/presenters/facet_options_presenter.rb

@@ -6,6 +6,17 @@ def initialize(params:, context:)
     @context = context
   end
 
+  def month_facets
+    (0..2).map do |i|
+      date = Time.zone.today << i
+      PubDateLimiter.new({
+                           'Id' => 'DT1',
+                           'SearchField' => "#{date.strftime('%Y-%m')}/#{Time.zone.today.strftime('%Y-%m')}",
+                           'Label' => "Since #{date.strftime('%B %Y')}"
+                         }, params, context)
+    end
+  end
+
   def limiters
     @limiters ||= available_limiters.map do |limiter|
       Limiter.new(limiter, params, context)
@@ -34,7 +45,6 @@ def eds_params
   end
 
   class Limiter
-    FACET_FIELD = 'eds_search_limiters_facet'
     delegate :facet_item_presenter, :search_action_path, :search_state, :facet_configuration_for_field, to: :context
 
     def initialize(limiter, params, context)
@@ -43,6 +53,10 @@ def initialize(limiter, params, context)
       @context = context
     end
 
+    def facet_field
+      'eds_search_limiters_facet'
+    end
+
     def id
       limiter['Id']
     end
@@ -51,6 +65,10 @@ def label
       limiter['Label']
     end
 
+    def search_value
+      label
+    end
+
     def type
       limiter['Type']
     end
@@ -64,23 +82,33 @@ def enabled_by_default?
     end
 
     def selected?
-      search_state.filter(config).include?(label)
+      search_state.filter(config).include?(search_value)
     end
 
     def search_url
       if selected?
-        search_action_path(search_state.filter(FACET_FIELD).remove(label).to_h)
+        search_action_path(search_state.filter(facet_field).remove(search_value).to_h)
       else
-        (config.item_presenter || Blacklight::FacetItemPresenter).new(label, config, context, FACET_FIELD).href
+        (config.item_presenter || Blacklight::FacetItemPresenter).new(search_value, config, context, facet_field).href
       end
     end
 
     def config
-      facet_configuration_for_field(FACET_FIELD)
+      facet_configuration_for_field(facet_field)
     end
 
     private
 
     attr_reader :limiter, :params, :context
   end
+
+  class PubDateLimiter < Limiter
+    def facet_field
+      'eds_pub_date_facet'
+    end
+
+    def search_value
+      limiter['SearchField']
+    end
+  end
 end

app/presenters/pub_date_presenter.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+# eds_pub_date_facet value is YYYY-MM/YYYY-MM we want to display the human readable value
+# i.e. Since May 2025
+class PubDatePresenter < Blacklight::FacetItemPresenter
+  def constraint_label
+    formatted_date = Date.strptime(value, "%Y-%m").strftime("%B %Y")
+    "Since #{formatted_date}"
+  rescue StandardError
+    value
+  end
+end