回答編集履歴
5
参考情報であることを強調
test
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@@ -5,6 +5,8 @@
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```rb
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# これは参考情報です
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=> #<Image:0x00007fe2a605b191
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@@ -18,7 +20,13 @@
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-
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# 下記は適宜質問者様の都合の良いModelに読み替えてください
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# 今回の件で言えば、Product Model
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class Image
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def is_new
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4
image_tagの使い方を追記
test
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@@ -72,9 +72,11 @@
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<% if product.is_new %>
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<%=
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<%= image_tag 'NEW' %>
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<% end %>
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<%= attachment_image_tag product, :image , class: "product_image" %>
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</div>
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3
if文の間違い修正
test
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@@ -70,7 +70,7 @@
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<div class="col-xs-12">
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<%
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<% if product.is_new %>
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<%= attachment_image_tag product, :image , class: "product_image" %>
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2
コメントの追加
test
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@@ -18,7 +18,7 @@
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class Image
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class Image # ここは適宜質問者様の都合の良いモデルに読み替えてください
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def is_new
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1
どう実装したら良いのかに対しての追記
test
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@@ -33,3 +33,51 @@
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このis_newをあとはview側で呼び出してあげるだけです
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**追記**
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修正前:
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```rb
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<% @products.each do |product| %>
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<div class="col-xs-12">
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<%= attachment_image_tag product, :image , class: "product_image" %>
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</div>
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<% end %>
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```
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修正後:
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```rb
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<% @products.each do |product| %>
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<div class="col-xs-12">
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<%= if product.is_new %>
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<%= attachment_image_tag product, :image , class: "product_image" %>
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<% end %>
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</div>
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<% end %>
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```
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