Fat controller

comments_controller.rb

class CommentsController < ApplicationController
  def create
    @post = Post.find(params[:post_id])
    @comment = @post.comments.build(comment_params)
    @comment.user_id = current_user.id if current_user
    
    if @comment.save
      StatusWorker.perform_aync(@comment.id)
      NotifyChannelsWorker.perform_async(@comment.id)
      AuthorMailer.notify_mail(@post.author.id).deliver_later
      redirect_to post_path(@post)
    else
      render 'new'
    end
  end

  def edit
    @post = Post.find(params[:post_id])
    @comment = @post.comments.find(params[:id])
  end

  def update
    @post = Post.find(params[:post_id])
    @comment = @post.comments.find(params[:id])

    if @comment.update(params[:comment].permit(:comment))
      redirect_to post_path(@post)
    else
      render 'Edit'
    end
  end

  def destroy
    @post = Post.find(params[:post_id])
    @comment = @post.comments.find(params[:id])
    @comment.destroy
    redirect_to post_path(@post)
  end

  private

  def comment_params
    params.require(:comment).permit(:comment)
  end
end