貸出書籍在庫の CSV 一括出力機能を追加。

貸出書籍在庫の棚卸目的。

Author: mikoto2000

app/controllers/book_stocks_controller.rb

@@ -75,6 +75,22 @@ def bulk_insert
     redirect_to book_stocks_url
   end
 
+  # GET /book_stocks/export
+  def export
+    @book_stocks = BookStock
+      .eager_load(lending_sets: :customer)
+      .eager_load(:book_master)
+      .eager_load(:book_stock_status)
+      .order("book_stocks.id, lending_sets.created_at desc")
+    respond_to do |format|
+      format.csv do
+        send_data render_to_string, filename: 'book_stocks.csv', type: :csv
+        @q = @book_stocks.ransack(params[:q])
+        @q.sorts = "id asc" if @q.sorts.empty?
+      end
+    end
+  end
+
   private
 
     # Use callbacks to share common setup or constraints between actions.

app/models/book_stock.rb

@@ -9,5 +9,5 @@ def self.ransackable_attributes(_auth_object = nil)
   belongs_to :book_stock_status
 
   has_many :lending
-  has_many :ng_sets, through: :lending
+  has_many :lending_sets, through: :lending
 end

app/views/book_stocks/export.csv.ruby

@@ -0,0 +1,16 @@
+require 'csv'
+
+CSV.generate("\xEF\xBB\xBF") do |csv|
+  csv << %w(id タイトル 状態 貸出セットID 貸出状態 貸出先, 貸出先連絡先)
+  @book_stocks.each do |bs|
+    csv << [
+      bs.id,
+      bs.book_master.title,
+      bs.book_stock_status.name,
+      bs.lending_sets.target.first ? bs.lending_sets.target.first.id : "",
+      bs.lending_sets.target.first ? bs.lending_sets.target.first.lending_status.name : "",
+      bs.lending_sets.target.first ? bs.lending_sets.target.first.customer.name : "",
+      bs.lending_sets.target.first ? bs.lending_sets.target.first.customer.email_address : ""
+    ]
+  end
+end

app/views/book_stocks/index.html.erb

@@ -9,6 +9,11 @@
       <%= render partial: "flash", locals: {model: Author} %>
     </div>
 
+    <%= link_to(
+          BookStock.model_name.human + " CSV 出力",
+          export_book_stocks_path(format: :csv),
+        ) %>
+
     <%= form_tag bulk_insert_book_stocks_path, multipart: true do %>
       <%= label_tag "CSVインポート:" %>
       <%= file_field_tag :file, accept: "text/csv" %>

config/routes.rb

@@ -2,20 +2,23 @@
   resources :lending_sets
   resources :lending_statuses
   resources :customers
-  resources :customers, except: %w[new] do
+  resources :customers, except: %w[import] do
     collection { post :bulk_insert }
   end
+  resources :book_stocks, except: %w[export] do
+    collection { get :export }
+  end
   resources :book_stocks
-  resources :book_stocks, except: %w[new] do
+  resources :book_stocks, except: %w[import] do
     collection { post :bulk_insert }
   end
   resources :book_stock_statuses
   resources :authors
-  resources :authors, except: %w[new] do
+  resources :authors, except: %w[import] do
     collection { post :bulk_insert }
   end
   resources :book_masters
-  resources :book_masters, except: %w[new] do
+  resources :book_masters, except: %w[import] do
     collection { post :bulk_insert }
   end
   resources :ndc_categories