Ruby on rail】gem:kaminariを使用したページネーションでのエラー解決方法

前提・実現したいこと

ポートフォリオ作成でブログ投稿機能を導入したのでユーザーの詳細画面でページネーションを使用したいです。

発生している問題・エラーメッセージ

NoMethodError in Agents#show

undefined method `total_pages' for #<Blog::ActiveRecord_Associations_CollectionProxy:0x00007fec8d56e268>

    </div>
      <% end %>
      <%= paginate @blogs %>
  </div>

該当のソースコード

表示させる場所

erb
1中略
2<!--ブログ投稿一覧-->
3  <div id="panel-2" class="panel">
4    <p class ='blog-list-tab'><%= @agent.agentname %>さんのブログ</p>
5    <!--一覧-->
6      <% @blogs.each do |blog| %>
7      <div class ='hogehoge'>
8        <li class='blog-list'>
9          <%= link_to blog_path(blog) do %>
10            <div class ='blog-content'>
11              <%= image_tag blog.image , class: "blog-img-thumb" %>
12              <p class ='blog-title-thumb'><%= blog.blog_title %></p>
13            </div>
14          <% end %>
15        </li>
16        </div>
17      <% end %>
18      <%= paginate @blogs %>
19  </div>

gemfileの一覧

gemfile
1source 'https://rubygems.org'
2git_source(:github) { |repo| "https://github.com/#{repo}.git" }
3
4ruby '2.6.5'
5
6# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
7gem 'rails', '~> 6.0.0'
8# Use mysql as the database for Active Record
9gem 'mysql2', '>= 0.4.4'
10# Use Puma as the app server
11gem 'puma', '~> 3.11'
12# Use SCSS for stylesheets
13gem 'sass-rails', '~> 5'
14# Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
15gem 'webpacker', '~> 4.0'
16# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
17gem 'turbolinks', '~> 5'
18# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
19gem 'jbuilder', '~> 2.7'
20# Use Redis adapter to run Action Cable in production
21# gem 'redis', '~> 4.0'
22# Use Active Model has_secure_password
23# gem 'bcrypt', '~> 3.1.7'
24
25# Use Active Storage variant
26# gem 'image_processing', '~> 1.2'
27
28# Reduces boot times through caching; required in config/boot.rb
29gem 'bootsnap', '>= 1.4.2', require: false
30
31group :development, :test do
32  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
33  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
34end
35
36group :development do
37  # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
38  gem 'web-console', '>= 3.3.0'
39  gem 'listen', '>= 3.0.5', '< 3.2'
40  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
41  gem 'spring'
42  gem 'spring-watcher-listen', '~> 2.0.0'
43end
44
45group :test do
46  # Adds support for Capybara system testing and selenium driver
47  gem 'capybara', '>= 2.15'
48  gem 'selenium-webdriver'
49  # Easy installation and use of web drivers to run system tests with browsers
50  gem 'webdrivers'
51end
52
53# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
54gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
55
56gem 'pry-rails'
57
58gem 'jquery-rails'
59gem 'jcanvas-rails', '~> 0.1.0'
60gem 'bxslider-rails'
61
62gem 'devise'
63
64gem 'active_hash'
65
66gem 'enum_help'
67
68gem 'mini_magick'
69gem 'image_processing', '~> 1.2'
70
71gem 'carrierwave'
72
73gem 'kaminari'

blogのコントローラー

ruby
1class BlogsController < ApplicationController
2
3  def new
4    @blog = Blog.new
5  end
6
7  def create
8    @blog = Blog.new(blog_params)
9    if @blog.save
10      redirect_to root_path
11    else
12      render :new
13    end
14  end
15
16  def index
17    @blogs = Blog.includes(:agent).page(params[:page]).per(4)
18  end
19
20  private
21  def blog_params
22    params.require(:blog).permit(:blog_title, :blog_text, :image).merge(agent_id: current_agent.id)
23  end
24
25end

ブログ投稿ユーザーのコントローラー

ruby
1class AgentsController < ApplicationController
2  def show
3    @agent = Agent.find(params[:id])
4    @blogs = current_agent.blogs
5  end
6
7  def edit
8    @agent = Agent.find(params[:id])
9  end
10
11  def update
12    agent = Agent.find(params[:id])
13    agent.update(agent_params)
14    if agent.save
15      flash[:notice] ="編集に成功しました"
16      redirect_to agent_path(agent.id)
17    else
18      render :edit
19    end
20  end
21
22  private
23
24def agent_params
25  params.require(:agent).permit(:agentname, :agentname_kana, :first_name, :last_name, :first_name_kana, :last_name_kana, :prefecture_id, :address, :harbor,:how_to_go1, :how_to_go2, :tel1, :tel2, :homepage, :regular_holiday, :ice, :target, :ship_type_id, :fishing_type_id, :profile, :sheet)
26end
27
28end