質問編集履歴
5
追記
test
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test
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@@ -357,3 +357,95 @@
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ここからまったく分かりません・・・。
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***************************************************
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htmlを追加
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***************************************************
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出力されてるhtmlを追記致します
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```html
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<select class="select-parent" name="search[category_id]" id="search_category_id">
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<option value=""></option>
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<option data-children-path="/categories/1/sub_categories" value="1">野菜</option>
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<option data-children-path="/categories/2/sub_categories" value="2">果物</option>
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<option data-children-path="/categories/3/sub_categories" value="3">お肉</option>
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<option data-children-path="/categories/4/sub_categories" value="4">魚介</option>
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</select>
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<select class="select-children" name="search[sub_category_id]" id="search_sub_category_id">
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<option value=""></option>
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<option value="1">キャベツ</option>
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<option value="2">人参</option>
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<option value="3">玉ねぎ</option>
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<option value="4">ブロッコリー</option>
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<option value="5">もやし</option>
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<option value="6">レタス</option>
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<option value="7">トマト</option>
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</select>
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```
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以下は登録画面のhtmlです。
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こちらでも同じセレクトボックス連動を使用しており、こちらは正常に動作済みです。
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```html
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<select class="select-parent" name="item[category_id]" id="item_category_id">
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<option value="">選択して下さい</option>
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<option data-children-path="/categories/1/sub_categories" value="1">野菜</option>
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<option data-children-path="/categories/2/sub_categories" value="2">果物</option>
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<option data-children-path="/categories/3/sub_categories" value="3">お肉</option>
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<option data-children-path="/categories/4/sub_categories" value="4">魚介</option>
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</select>
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<select class="select-children" name="item[sub_category_id]" id="item_sub_category_id">
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<option value="">選択して下さい</option>
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</select>
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```
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4
調べたこと
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test
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@@ -323,3 +323,37 @@
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'change': replaceChildrenOptions
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```
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***************************************************
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分かった所までを追加
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***************************************************
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その後分かった所までを追記致します。
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エラーログはブラウザ、サーバともに出てませんでした。
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ただ、正常な流れは、
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親（Category）のセレクトボックスを変更で
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スクリプトのreplaceChildrenOptions = ->に飛ぶのに対し、
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今回のこの画面は、
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replaceChildrenOptions = ->に飛びません。
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replaceChildrenOptions = ->の真下にalertで確認しました。
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ここからまったく分かりません・・・。
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3
追記
test
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test
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@@ -211,3 +211,115 @@
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```
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***************************************************
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不足情報を追加
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***************************************************
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コントローラ
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```ruby
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class SubCategoriesController < ApplicationController
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def index
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@sub_categories = SubCategory.where(category_id: params[:category_id])
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respond_to do |format|
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format.html do
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end
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format.js do
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render json: @sub_categories.select(:id, :name)
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end
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end
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end
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end
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```
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coffeescript
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```coffeescript
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$(document).on 'turbolinks:load', ->
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replaceSelectOptions = ($select, results) ->
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$select.html $('<option>')
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$.each results, ->
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option = $('<option>').val(this.id).text(this.name)
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$select.append(option)
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replaceChildrenOptions = ->
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childrenPath = $(@).find('option:selected').data().childrenPath
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$selectChildren = $(@).closest('form').find('.select-children')
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if childrenPath?
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$.ajax
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url: childrenPath
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dataType: "json"
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success: (results) ->
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replaceSelectOptions($selectChildren, results)
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error: (XMLHttpRequest, textStatus, errorThrown) ->
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console.error("Error occurred in replaceChildrenOptions")
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console.log("XMLHttpRequest: #{XMLHttpRequest.status}")
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console.log("textStatus: #{textStatus}")
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console.log("errorThrown: #{errorThrown}")
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else
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replaceSelectOptions($selectChildren, [])
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319
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$('.select-parent').on
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'change': replaceChildrenOptions
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```
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2
model追加
test
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test
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@@ -161,3 +161,53 @@
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```
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アイテムモデル※検索したい対象
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168
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169
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```ruby
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class Item < ApplicationRecord
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belongs_to :category
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belongs_to :sub_category
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scope :search, ->(search_params) do
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return if search_params.blank?
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187
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keyword_like(search_params[:keyword])
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.category_id_is(search_params[:category_id])
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.sub_category_id_is(search_params[:sub_category_id])
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end
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196
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197
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scope :keyword_like, -> (keyword) { where('description LIKE ? or title LIKE ?', "%#{keyword}%","%#{keyword}%") if keyword.present? }
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198
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scope :category_id_is, -> (category_id) { where(category_id: category_id) if category_id.present? }
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scope :sub_category_id_is, -> (sub_category_id) { where(sub_category_id: sub_category_id) if sub_category_id.present? }
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end
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```
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1
カテゴリとサブカテゴリのモデルを追記
test
CHANGED
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File without changes
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test
CHANGED
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@@ -111,3 +111,53 @@
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111
111
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112
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初心者につき的外れの質問しているかもしれませんが、どうかアドバイス宜しくお願いします。
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117
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118
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***************************************************
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120
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121
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ご指摘により
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122
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123
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以下から不足情報を追加
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124
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125
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***************************************************
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|
126
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127
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128
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+
|
|
129
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+
カテゴリモデル
|
|
130
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|
|
131
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```ruby
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132
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|
133
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class Category < ApplicationRecord
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134
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135
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has_many :sub_categories
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136
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137
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has_many :items
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138
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139
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default_scope -> { order(:order_number) }
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140
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end
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142
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143
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144
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|
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145
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```
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146
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|
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147
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+
サブカテゴリモデル
|
|
148
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+
|
|
149
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+
```ruby
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|
150
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+
|
|
151
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class SubCategory < ApplicationRecord
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152
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+
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153
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belongs_to :category
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154
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155
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has_many :items
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156
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157
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default_scope -> { order(:order_number) }
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158
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+
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159
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+
end
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|
160
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+
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161
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162
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+
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163
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```
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