added filtering

app/controllers/admin/invoices_controller.rb

@@ -33,10 +33,17 @@ module Admin
     end
 
     def index
-      @q = Invoice.includes(:account_activity).search(params[:q])
+      params[:q] ||= {}
+
+      invoices = filter_by_status
+      invoices = filter_by_receipt_date(invoices)
+
+      @q = invoices.search(params[:q])
       @q.sorts = 'number desc' if @q.sorts.empty?
       @invoices = @q.result.page(params[:page])
       @invoices = @invoices.per(params[:results_per_page]) if paginate?
+
+      render_by_format('admin/invoices/index', 'invoices')
     end
 
     def show; end
@@ -72,5 +79,29 @@ module Admin
       payment_order = invoice.payment_orders.last
       payment_order.update(notes: 'Cancelled')
     end
+
+    def filter_by_status
+      case params[:status]
+      when 'Paid'
+        Invoice.includes(:account_activity, :buyer).where.not(account_activity: { id: nil })
+      when 'Unpaid'
+        Invoice.includes(:account_activity, :buyer).where(account_activity: { id: nil })
+      when 'Cancelled'
+        Invoice.includes(:account_activity, :buyer).where.not(cancelled_at: nil)
+      else
+        Invoice.includes(:account_activity, :buyer)
+      end
+    end
+
+    def filter_by_receipt_date(invoices)
+      if params[:q][:receipt_date_gteq].present?
+        invoices = invoices.where(account_activity:
+                                    { created_at: Time.parse(params[:q][:receipt_date_gteq])..Float::INFINITY })
+      end
+
+      return invoices unless params[:q][:receipt_date_lteq].present?
+
+      invoices.where(account_activity: { created_at: -Float::INFINITY..Time.parse(params[:q][:receipt_date_lteq]) })
+    end
   end
 end

app/models/invoice.rb

@@ -3,6 +3,7 @@ class Invoice < ApplicationRecord
   include Invoice::Cancellable
   include Invoice::Payable
   include Invoice::BookKeeping
+  extend ToCsv
 
   belongs_to :buyer, class_name: 'Registrar'
   has_one  :account_activity

app/views/admin/invoices/_search_form.html.erb

@@ -0,0 +1,81 @@
+<div class="row">
+    <div class="col-md-12">
+        <%= search_form_for @q, url: [:admin, :invoices], html: { style: 'margin-bottom: 0;' } do |f| %>
+            <div class="row">
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= f.label t(:invoice_number) %>
+                        <%= f.search_field :number_eq, class: 'form-control', placeholder: t(:invoice_number), autocomplete: 'off' %>
+                    </div>
+                </div>
+
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= f.label t(:status) %>
+                        <%= select_tag :status, options_for_select(%w(Paid Unpaid Cancelled),params[:status]),
+                                       { multiple: false, include_blank: true, selected: params[:status], class: 'form-control selectize'} %>
+                    </div>
+                </div>
+
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= f.label t(:due_date_from), for: nil %>
+                        <%= f.search_field :due_date_gteq, value: params[:q][:due_date_gteq], class: 'form-control js-datepicker', placeholder: t(:due_date_from) %>
+                    </div>
+                </div>
+
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= f.label t(:due_date_until), for: nil %>
+                        <%= f.search_field :due_date_lteq, value: params[:q][:due_date_lteq], class: 'form-control js-datepicker', placeholder: t(:due_date_until) %>
+                    </div>
+                </div>
+            </div>
+
+            <div class="row">
+                <div class="col-md-6">
+                    <div class="form-group">
+                        <%= f.label "Registrar" %>
+                        <%= f.select :buyer_id_in, Registrar.all.map { |x| [x, x.id] }, {}, class: 'form-control js-combobox', placeholder: t(:choose), multiple: true %>
+                    </div>
+                </div>
+
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= f.label t(:receipt_date_from), for: nil %>
+                        <%= f.search_field :receipt_date_gteq, value: params[:q][:receipt_date_gteq], class: 'form-control js-datepicker', placeholder: t(:receipt_date_from) %>
+                    </div>
+                </div>
+
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= f.label t(:receipt_date_until), for: nil %>
+                        <%= f.search_field :receipt_date_lteq, value: params[:q][:receipt_date_lteq], class: 'form-control js-datepicker', placeholder: t(:receipt_date_until) %>
+                    </div>
+                </div>
+
+                <div class="col-md-3"></div>
+                <div class="col-md-3"></div>
+                <div class="col-md-3">
+                    <div class="form-group">
+                        <%= label_tag t(:results_per_page) %>
+                        <%= text_field_tag :results_per_page, params[:results_per_page], class: 'form-control', placeholder: t(:results_per_page) %>
+                    </div>
+                </div>
+
+                <div class="col-md-3" style="padding-top: 25px; float: right; padding-right: 10px;">
+                    <button class="btn btn-primary">
+                        &nbsp;
+                        <span class="glyphicon glyphicon-search"></span>
+                        &nbsp;
+                    </button>
+                    <%= link_to t('.download_btn'), admin_invoices_path(format: :csv, params: params.permit!),
+                                "data-toggle" => "tooltip", "data-placement" => "bottom", "title" => t('.download_btn'),
+                                class: 'btn btn-default' %>
+                    <%= link_to t('.reset_btn'), admin_invoices_path, class: 'btn btn-default' %>
+                </div>
+            </div>
+        <% end %>
+    </div>
+</div>
+

app/views/admin/invoices/index.haml

@@ -1,7 +1,7 @@
 - content_for :actions do
   = link_to(t(:add), new_admin_invoice_path, class: 'btn btn-primary')
 = render 'shared/title', name: t(:invoices)
-= render 'application/pagination'
+= render 'search_form'
 
 .row
   .col-md-12
@@ -33,6 +33,7 @@
                 %td.text-grey= t(:cancelled)
               - else
                 %td.text-danger= t(:unpaid)
+
 .row
   .col-md-6
     = paginate @invoices

config/locales/admin/invoices.en.yml

@@ -9,4 +9,8 @@ en:
         deliver_btn: Send
 
       cancel:
-        cancelled: Invoice has been cancelled
+        cancelled: Invoice has been cancelled
+
+      search_form:
+        download_btn: CSV
+        reset_btn: Reset