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エラーがでたコードを記述しました。

2020/09/28 07:13

投稿

masaosan18
masaosan18

スコア65

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@@ -87,3 +87,97 @@
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  解決方法をご存知の方、教えてください。宜しくお願い致します。
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+ ### 変更したコード
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+ ``` ruby
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+ def search
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+ if params[:city_id]
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+ pagy, offices = pagy Office.where(city_id: params[:city_id])
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+ elsif params[:keyword]
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+ keywords = params[:keyword].split(/[[:blank:]]+/).select(&:present?)
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+ offices = like_(keywords.shift)
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+ keywords.each{ |keyword| offices.or(like_keyword) }
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+ else
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+ pagy, offices = pagy(Office.all)
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+ end
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+ pagy_headers_merge(pagy)
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+ render json: offices, each_serializer: OfficeIndexSerializer, include: '**'
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+ end
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+ def like_(keyword)
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+ Office.where('name LIKE ? OR address LIKE ? OR near_station LIKE ? OR introduction LIKE ? OR company LIKE ?',"%#{keyword}%", "%#{keyword}%", "%#{keyword}%", "%#{keyword}%", "%#{keyword}%")
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+ end
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+ ```
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+ #### エラー
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+ ``` ruby
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+ api_1 | Started GET "/offices/search?keyword=%E6%9D%B1%E4%BA%AC" for 172.21.0.1 at 2020-09-28 07:08:29 +0000
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+ api_1 | Processing by OfficesController#search as */*
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+ api_1 | Parameters: {"keyword"=>"東京"}
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+ api_1 | Completed 500 Internal Server Error in 2ms (ActiveRecord: 0.0ms | Allocations: 696)
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+ api_1 |
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+ api_1 |
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+ api_1 |
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+ api_1 | NoMethodError (undefined method `prev' for nil:NilClass):
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+ api_1 |
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+ api_1 | app/controllers/offices_controller.rb:27:in `search'
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+ ```
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+ 27行目は
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+ ``` ruby
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+ pagy_headers_merge(pagy)
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+ render json: offices, each_serializer: OfficeIndexSerializer, include: '**'
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+ end
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+ ```
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+ 上のコードの```pagy_headers_merge(pagy)```というコードになります。