前提・実現したいこと

チャットアプリを作っています。
問題はメッセージを表示、保存したい時にエラーが出てしまい保存できないことです。

発生している問題、エラーメッセージ

NoMethodError in MessagesController#create　
undefined method call' for #<ActionController::Parameters:0x000>

messages_controller.rb

Ruby
1
2Extracted source (around line #22):
3          
4 |20|  private
5 |21|    def message_params
6 |22|    params.(:message).permit(:content).merge(user_id: current_user.id)
7 |23|  end
8 |24| end

該当のソースコード

routes.rb

Ruby
1Rails.application.routes.draw do
2  devise_for :users
3   root 'rooms#index'
4   get 'room/index'
5  resources :rooms, only: [:index, :new, :create] do
6    resources :messages, only: [:index, :create]
7  end
8end

messages_controller.rb

Ruby
1class MessagesController < ApplicationController
2
3  def index
4    @message = Message.new
5    @room = Room.find(params[:room_id])
6    @messages = @room.messages.includes(:user)
7  end
8
9  def create
10    @room = Room.find(params[:room_id])
11    @message = @room.messages.new(message_params)
12    if message.save
13      redirect_to room_messages_path(@room)
14    else 
15      @messages = @room.messages.includes(:user)
16      render :index
17    end
18  end
19
20  private
21  def message_params
22    params.(:message).permit(:content).merge(user_id: current_user.id)
23  end
24end

message.rb

Ruby
1class Message < ApplicationRecord
2  belongs_to :room
3  belongs_to :user
4end
5

messages/index.html.erb

HTML
1<%= render "shared/header" %>
2
3<div class="chat-name wf-roundedmplus1c">
4  <%= "#{@room.name}" %>
5</div>
6<div class="message-box", id='messages'>
7  <%= render partial: 'message', collection: @messages %>
8</div>
9
10<%= render "messages/footer" %>

messages__footer.html.erb

HTML
1<div class="footer">
2  <div class="form-main wf-roundedmplus1c">
3    <%= form_with model: [@room, @message], class: 'form', local: true do |f| %>
4      <div class="form-input">
5        <%= f.text_field :content, class: 'form-message', placeholder: "Aa" %>
6      </div>
7      <%= f.submit '送信', class: 'form-submit' %>
8    <% end %>
9  </div>
10</div>

messages/_message.html.erb

HTML
1<div class="message">
2  <div class="user-name">
3    <div class="user-name">
4      <%= message.user.nickname %>
5    </div>
6    <div class="dau-time">
7      <%= l message.create_at %>
8    </div>
9    </div class="message-content">
10      <%= simple_format(h message.content) %>
11    </div>
12  </div>
13</div>