How to fix 'Rails.ajax' error in site Console? - ruby-on-rails

Question

I have 2 different post types (news and articles). When i go to news and try to comment any news, nothing happen. In google chrome console it says:
POST /news/artifact-v-spiske-liderov-prodazh-steam-po-itogam-2018-goda/comments/ 404
rails-ujs.self-d109d8c5c0194c8ad60b8838b2661c5596b5c955987f7cd4045eb2fb90ca5343.js?body=1:7
Rails.ajax # rails-ujs.self-d109d8c5c0194c8ad60b8838b2661c5596b5c955987f7cd4045eb2fb90ca5343.js?body=1:7
Rails.handleRemote # rails-ujs.self-d109d8c5c0194c8ad60b8838b2661c5596b5c955987f7cd4045eb2fb90ca5343.js?body=1:31
(anonymous) # rails-ujs.self-d109d8c5c0194c8ad60b8838b2661c5596b5c955987f7cd4045eb2fb90ca5343.js?body=1:5
BUT! When i try comment in Articles type, all good, comments work. What is problem?
My _form.html.haml:
- if user_signed_in? && current_user.mute_to && current_user.mute_to > Time.current
%div
%strong
= "Вы не можете писать комментарии до #{current_user.mute_to.strftime("%F %R")}"
- elsif user_signed_in?
= form_with model: [commentable, Comment.new], html: { class:
local_assigns[:class], data: { target: local_assigns[:target] } } do |form|
.form-group
= form.text_area :body, placeholder: "Напишите комментарий (минимум 3 символа)", class: "form-control"
.form-group
= form.hidden_field :parent_id, value: local_assigns[:parent_id]
= form.submit 'Отправить', class: "btn"
My _comment.html.haml:
- nesting = local_assigns.fetch(:nesting, 1)
- max_nesting = local_assigns[:max_nesting]
- continue_thread = local_assigns[:continue_thread]
= tag.div id: dom_id(comment), class: "border-left pl-4 my-4" do
- if comment.deleted?
%strong [комментарий удален]
%small
= link_to time_ago_in_words(comment.created_at), url_for(comment: comment.id, anchor: dom_id(comment))
%p [комментарий удален]
- else
- comments_user = comment.user
%strong.comments_user_line
= fa_icon "user-circle", class: "mr-1"
= link_to comments_user.nickname, user_path(comments_user), class: 'user_link'
%small
= link_to time_ago_in_words(comment.created_at), polymorphic_path(comment.commentable, comment: comment.id, anchor: dom_id(comment))
= simple_format comment.body
%div.comments_block
- if user_signed_in? && current_user.mute_to && current_user.mute_to > Time.current
- else
%small
- if user_signed_in?
%btn.reply Отвеить
- else
= link_to "Отвеить", new_user_session_path
= link_to "Удалить", [comment.commentable, comment], method: :delete, data: {confirm: "Вы уверены?"} if comment.user == current_user
= render partial: "comments/form", locals: { |
commentable: comment.commentable, |
parent_id: reply_to_comment_id(comment, nesting, max_nesting), |
class: "mt-4 d-none replies_form", |
target: "reply.form" |
} |
= tag.div id: "#{dom_id(comment)}_comments" do
- if continue_thread.present? && nesting >= continue_thread && comment.comments.any?
= link_to "Открыть ветку", url_for(comment: comment.id, anchor: dom_id(comment))
- else
= render comment.comments, continue_thread: continue_thread, nesting: nesting + 1, max_nesting: local_assigns[:max_nesting]
My comments_controller.rb:
class CommentsController < ApplicationController
before_action :authenticate_user!
def create
#comment = #commentable.comments.new(comment_params)
#comment.user = current_user
if #comment.save
respond_to do |format|
format.html { redirect_to #commentable }
format.js
end
else
redirect_to #commentable, alert: "Ошибка :("
end
end
def destroy
#comment = #commentable.comments.find(params[:id])
return false unless current_user.id == #comment.user_id
#comment.destroy
redirect_to #commentable
end
private
def comment_params
params.require(:comment).permit(:body, :parent_id)
end
end
If i uncomment rails-ujs in application.js like this:
require rails-ujs
Then when i posting comment it will be say:
ActiveRecord::RecordNotFound in News::CommentsController#create
Couldn't find News with 'id'=artifact-v-spiske-liderov-prodazh-steam-po-itogam-2018-goda
Extracted source (around line #7):
6 def set_commentable
7 #commentable = News.find(params[:news_id])
8 end
9 end
How i can fix it? Thanks!

Answer 1

The first suggestion - comment require rails-ujs until you solve the issue. It will be easier to debug.
Then, the issue is that as a params[:news_id] you are passing news slug (artifact-v-spiske-liderov-prodazh-steam-po-itogam-2018-goda) instead of news id. One solution is to modify the code to pass news id as params[:news_id].
Another, a little big uglier solution, is to refactor set_commentable method in the News::CommentsController to something like this:
def set_commentable
#commentable = News.find_by(slug: params[:news_id])
end
However, it might break other places where set_commentable is used.