Add price expiration

#522

app/controllers/admin/billing/prices_controller.rb

@@ -2,13 +2,25 @@ module Admin
   module Billing
     class PricesController < AdminController
       authorize_resource(class: 'Billing::Price')
-      before_action :load_price, only: %i[edit update destroy]
+      before_action :load_price, only: %i[edit update expire]
       helper_method :zones
       helper_method :operation_categories
       helper_method :durations
 
       def index
-        @q = ::Billing::Price.search(params[:q])
+        @search = OpenStruct.new(search_params)
+
+        unless @search.validity
+          @search.validity = 'unexpired'
+        end
+
+        prices = ::Billing::Price.all
+
+        if @search.validity.present?
+          prices = ::Billing::Price.send(@search.validity)
+        end
+
+        @q = prices.search(params[:q])
         @q.sorts = ['zone_id asc', 'duration asc', 'operation_category asc',
                     'valid_from desc', 'valid_to asc'] if @q.sorts.empty?
         @prices = @q.result.page(params[:page])
@@ -41,6 +53,13 @@ module Admin
         end
       end
 
+      def expire
+        @price.expire
+        @price.save!
+        flash[:notice] = t('.expired')
+        redirect_to_index
+      end
+
       private
 
       def load_price
@@ -60,6 +79,13 @@ module Admin
         params.require(:price).permit(*allowed_params)
       end
 
+      def search_params
+        allowed_params = %i[
+          validity
+        ]
+        params.fetch(:search, {}).permit(*allowed_params)
+      end
+
       def redirect_to_index
         redirect_to admin_prices_url
       end

app/models/billing/price.rb

@@ -1,6 +1,7 @@
 module Billing
   class Price < ActiveRecord::Base
     include Versions
+    include Concerns::Billing::Price::Expirable
     has_paper_trail class_name: '::PriceVersion'
 
     self.auto_html5_validation = false
@@ -11,6 +12,7 @@ module Billing
     validates :operation_category, inclusion: { in: Proc.new { |price| price.class.operation_categories } }
     validates :duration, inclusion: { in: Proc.new { |price| price.class.durations } }
 
+    alias_attribute :expire_time, :valid_to
     monetize :price_cents, allow_nil: true, numericality: { greater_than_or_equal_to: 0 }
     after_initialize :init_values
 

app/models/concerns/billing/price/expirable.rb

@@ -0,0 +1,21 @@
+module Concerns::Billing::Price::Expirable
+  extend ActiveSupport::Concern
+
+  class_methods do
+    def unexpired
+      where("#{attribute_alias(:expire_time)} >= ?", Time.zone.now)
+    end
+
+    def expired
+      where("#{attribute_alias(:expire_time)} < ?", Time.zone.now)
+    end
+  end
+
+  def expire
+    self[:valid_to] = Time.zone.now - 1
+  end
+
+  def expired?
+    expire_time.past?
+  end
+end

app/views/admin/billing/prices/_price.html.erb

@@ -1,5 +1,5 @@
-<tr>
-    <td><%= link_to price.zone_name, edit_admin_price_path(price), id: 'admin-edit-price-btn' %></td>
+<tr class="price">
+    <td><%= link_to price.zone_name, edit_admin_price_path(price), class: 'edit-price-btn' %></td>
     <td><%= price.duration.sub('mons', 'months') %></td>
     <td><%= price.operation_category %></td>
     <td><%= number_to_currency price.price %></td>

app/views/admin/billing/prices/_search_form.html.erb

@@ -0,0 +1,20 @@
+<%= form_for :search, url: admin_prices_path, method: :get, html: { class: 'form-horizontal' } do |f| %>
+    <div class="form-group">
+        <%= f.label :validity, class: 'col-sm-2 control-label' %>
+
+        <div class="col-sm-3">
+            <%= f.select :validity, options_for_select(%w[unexpired expired], search.validity),
+                         { include_blank: true },
+                         class: 'form-control' %>
+        </div>
+    </div>
+
+    <div class="form-group">
+        <div class="col-sm-offset-2 col-sm-8">
+            <%= f.submit t('.search_btn'), class: 'btn btn-primary', name: nil %>
+            <%= link_to t('.reset_btn'), admin_prices_path,
+                        class: 'btn btn-default price-search-form-search-btn' %>
+        </div>
+    </div>
+
+<% end %>

app/views/admin/billing/prices/edit.html.erb

@@ -3,7 +3,18 @@
 </ol>
 
 <div class="page-header">
-    <h1><%= t '.title' %></h1>
+    <div class="row">
+        <div class="col-sm-10">
+            <h1><%= t '.title' %></h1>
+        </div>
+
+        <div class="col-sm-2 text-right">
+            <%= link_to(t('.expire_btn'), expire_admin_price_path(@price),
+                        method: :patch,
+                        data: { confirm: t('.expire_btn_confirm') },
+                        class: 'btn btn-danger') %>
+        </div>
+    </div>
 </div>
 
 <% if @price.persisted? && @price.errors.none? %>

app/views/admin/billing/prices/index.html.erb

@@ -10,6 +10,8 @@
     </div>
 </div>
 
+<%= render 'search_form', search: @search %>
+
 <% if @prices.present? %>
     <table class="table table-hover table-bordered table-wrapped">
         <thead>