Rails 101 (Rails 5版) 修改發表過的文章

發表於 | 分類於 | | 閱讀次數：

Rails 101 (Rails 5版) 修改已發表的文章

修改 app/controllers/posts_controller.rb

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
-  before_action :authenticate_user!, only: [:new, :create, :destroy]
+  before_action :authenticate_user!, only: [:new, :create, :edit, :update, :destroy]

+  def edit
+    @group = Group.find(params[:group_id])
+    @post = Post.find(params[:id])
+  end
+
+  def update
+    @post = Post.find(params[:id])
+    if @post.update(post_params)
+      redirect_to account_posts_path, notice: "Update Success"
+    else
+      render :edit
+    end
+  end

新增 app/views/posts/edit.html.erb

1
2
3
4
5
6
7
8
9
10
11
<h2 class="text-center">編輯文章</h2>
<div class="col-md-4 col-md-offset-4">
  <%= simple_form_for [@group,@post] do |f| %>
    <div class="form-group">
      <%= f.input :content, input_html: { class: "form-control"} %>
    </div>
    <div class="form-actions">
      <%= f.submit "Submit", disable_with: "Submiting...", class: "btn btn-primary"%>
    </div>
  <% end %>
</div>

成果

Rails 101 (Rails 5版) 額外作業