質問編集履歴
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【モデル】
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app\models\serch\bese.rb
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```ruby
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class Search::Base
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親クラスの名前解決が出来ていないようですが、
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何か必要な設定などがあるのでしょうか？
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宜しくお願い致します。
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宜しくお願い致します。
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【2017/04/05追記】
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参考サイトのサンプルコードまんまですが記載致します。
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【コントローラ】
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app\controllers\products_controller.rb
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```ruby
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class ProductsController < ApplicationController
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before_action :set_product, only: [:show, :edit, :update, :destroy]
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# GET /products
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# GET /products.json
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def index
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@product = Search::Product.new
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end
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def search
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@product = Search::Product.new(search_params)
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@products = @product
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.matches
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.order(availability: :desc, code: :asc)
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.decorate
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end
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# GET /products/1
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# GET /products/1.json
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def show
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end
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# GET /products/new
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def new
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@product = Product.new
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end
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# GET /products/1/edit
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def edit
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end
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# POST /products
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# POST /products.json
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def create
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@product = Product.new(product_params)
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respond_to do |format|
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if @product.save
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format.html { redirect_to @product, notice: 'Product was successfully created.' }
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format.json { render :show, status: :created, location: @product }
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else
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format.html { render :new }
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format.json { render json: @product.errors, status: :unprocessable_entity }
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end
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end
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end
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# PATCH/PUT /products/1
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# PATCH/PUT /products/1.json
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def update
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respond_to do |format|
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if @product.update(product_params)
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format.html { redirect_to @product, notice: 'Product was successfully updated.' }
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format.json { render :show, status: :ok, location: @product }
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else
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format.html { render :edit }
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format.json { render json: @product.errors, status: :unprocessable_entity }
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end
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end
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end
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# DELETE /products/1
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# DELETE /products/1.json
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def destroy
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@product.destroy
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respond_to do |format|
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format.html { redirect_to products_url, notice: 'Product was successfully destroyed.' }
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format.json { head :no_content }
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end
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end
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private
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# Use callbacks to share common setup or constraints between actions.
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def set_product
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@product = Product.find(params[:id])
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end
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# Never trust parameters from the scary internet, only allow the white list through.
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def product_params
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params.require(:product).permit(:code, :name)
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end
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# 検索フォームから受け取ったパラメータ
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def search_params
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params
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.require(:search_product)
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.permit(Search::Product::ATTRIBUTES)
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end
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end
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```
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app\models\serch\bese.rb
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```ruby
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class Search::Base
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include ActiveModel::Model
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include ActiveModel::Validations::Callbacks
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def contains(arel_attribute, value)
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arel_attribute.matches("%#{escape_like(value)}%")
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end
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def escape_like(string)
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string.gsub(/[\\%_]/) { |m| "\\#{m}" }
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end
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def value_to_boolean(value)
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ActiveRecord::ConnectionAdapters::Column.value_to_boolean(value)
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end
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end
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```
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app\models\serch\product.rb
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```ruby
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class Search::Product < Search::Base
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ATTRIBUTES = %i(
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code
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name name_kana
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price_from price_to
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purchase_cost_from purchase_cost_to
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availability
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)
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attr_accessor(*ATTRIBUTES)
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def matches
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t = ::Product.arel_table
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results = ::Product.all
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results = results.where(contains(t[:code], code)) if code.present?
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results = results.where(contains(t[:name], name)) if name.present?
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results = results.where(contains(t[:name_kana], name_kana)) if name_kana.present?
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results = results.where(t[:price].gteq(price_from)) if price_from.present?
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results = results.where(t[:price].lteq(price_to)) if price_to.present?
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if purchase_cost_from.present?
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results = results.where(t[:purchase_cost].gteq(purchase_cost_from))
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end
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if purchase_cost_to.present?
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results = results.where(t[:purchase_cost].lteq(purchase_cost_to))
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end
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results = results.where(availability: true) if value_to_boolean(availability)
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results
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end
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end
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```
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app\models\product.rb
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178
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```ruby
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179
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class Product < ApplicationRecord
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180
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end
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181
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+
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182
|
+
```
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