質問編集履歴
1
controllerを全文追記
test
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test
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@@ -78,104 +78,190 @@
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class RoadsController < ApplicationController
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PER_PAGE = 15
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def index
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@q = Road.ransack(params[:q])
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@roads = @q.result.includes(:user, :likes).page(params[:page]).per(PER_PAGE).order(:created_at)
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end
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def show
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@road = Road.find(params[:id])
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@comments = @road.comments
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@comment = Comment.new
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end
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def new
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@road = Road.new
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end
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def create
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@road = Road.new(road_params)
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if @road.save
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flash[:success] = "投稿が完了しました"
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redirect_to roads_path
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else
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flash[:alert] = "投稿に失敗しました"
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render :new
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end
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end
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def edit
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@road = Road.find(params[:id])
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end
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def update
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road = Road.find(params[:id])
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if params[:road][:road_image_ids]
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params[:road][:road_image_ids].each do |road_image_id|
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image = road.road_images.find(road_image_id)
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image.purge
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end
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end
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if road.update(road_params)
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flash[:success] = "投稿を編集しました"
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redirect_to roads_path
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else
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flash[:alert] = "更新に失敗しました"
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render :edit
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end
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end
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def destroy
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Road.find(params[:id]).destroy
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flash[:success] = "投稿を削除しました"
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redirect_to roads_path
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end
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private
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def road_params
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params.require(:road).permit(:title, :description, :latitude, :longitude, :content, road_images: []).merge(user_id: current_user.id)
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end
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end
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```
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```Ruby
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# road.rb
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class Road < ApplicationRecord
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has_many_attached :road_images
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has_many :comments, dependent: :destroy
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has_many :likes, dependent: :destroy
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has_many :liked_users, through: :likes, source: :user
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belongs_to :user
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validates :latitude, :longitude, presence: true
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validates :title, presence: true, length: { maximum: 50 }
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validates :description, presence: true, length: { maximum: 400 }
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def liked_by?(user)
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likes.any?{ |like| like.user_id == user.id }
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end
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end
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```
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```ERB
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# edit.html.erb
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<div class="container py-5 mx-auto">
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<h3 class="text-center">編集</h3>
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81
263
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(略)
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83
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def update
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road = Road.find(params[:id])
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if params[:road][:road_image_ids]
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params[:road][:road_image_ids].each do |road_image_id|
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image = road.road_images.find(road_image_id)
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image.purge
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end
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end
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if road.update(road_params)
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flash[:success] = "投稿を編集しました"
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102
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103
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redirect_to roads_path
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104
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105
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else
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106
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107
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flash[:alert] = "更新に失敗しました"
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108
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109
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render :edit
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110
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111
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end
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112
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end
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(略)
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```
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```Ruby
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# road.rb
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class Road < ApplicationRecord
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has_many_attached :road_images
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has_many :comments, dependent: :destroy
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has_many :likes, dependent: :destroy
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has_many :liked_users, through: :likes, source: :user
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belongs_to :user
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validates :latitude, :longitude, presence: true
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validates :title, presence: true, length: { maximum: 50 }
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validates :description, presence: true, length: { maximum: 400 }
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def liked_by?(user)
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likes.any?{ |like| like.user_id == user.id }
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end
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end
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```
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```ERB
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# edit.html.erb
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<div class="container py-5 mx-auto">
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<h3 class="text-center">編集</h3>
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(略)
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</div>
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