[Interview用]契約一覧APIと契約書取得APIを実装

rails/app/controllers/api/contracts_controller.rb

@@ -0,0 +1,44 @@
+module Api
+  class ContractsController < ApplicationController
+    def index
+      @errors = []
+
+      if params[:created_at_from].blank? || params[:created_at_to].blank?
+        @errors << '検索期間を指定してください。'
+      end
+
+      if params[:created_at_from].present? && params[:created_at_to].present?
+        if Time.zone.parse(params[:created_at_to]) - Time.zone.parse(params[:created_at_from]) > 1.year
+          @errors << '検索期間は1年以内で指定してください。'
+        end
+      end
+
+
+      return render json: { errors: @errors }, status: :bad_request if @errors.present?
+
+      @contracts = current_user.contracts.where(created_at: Time.zone.parse(params[:created_at_from])..Time.zone.parse(params[:created_at_to]))
+      @contracts = @contracts.where(status: params[:status]) if params[:status].present?
+
+      render json: @contracts.map do |contract|
+        {
+          id: contract.id,
+          document_path: contracts_pdf_path(contract),
+          user_name: contract.user.name,
+          status: contract.status,
+          signers: contract.signers.map { |signer| { id: signer.id, name: signer.name } },
+          created_at: contract.created_at,
+          updated_at: contract.updated_at
+        }
+      end
+    end
+
+    def pdf
+      @contract = Contract.find(params[:id])
+
+      send_file @contract.document.file,
+              type: 'application/pdf',
+              disposition: 'inline',
+              filename: "#{@contract.document.title}.pdf"
+    end
+  end
+end