TwitterApp 만들기

Keys and Access Tokens
하단의 'Create my access token'을 눌러 access token을 생성한다.


이 중에서

gem 추가

gem 'omniauth'
gem 'omniauth-twitter'
gem 'settingslogic'
gem 'twitter', "~> 4.8"

$ bundle install

controller와 model 작성·route 설정

$ rails g model tweet
$ rails g controller tweets index new edit

class CreateTweets < ActiveRecord::Migration[5.1]
  def change
    create_table :tweets do |t|
      t.text :text
      t.timestamps
    end
  end
end

class TweetsController < ApplicationController
    require "twitter"
    before_action :set_client, only: [:post]
    before_action :set_tweet, only: [:edit, :update, :destroy, :post]


    def index
        @tweets = Tweet.all
    end

    def new
        @tweet = Tweet.new
    end

    def create
        if Tweet.save(tweet_params)
            redirect_to tweets_url
        else
            redirect_to new_tweet_url
        end
    end

    def edit
    end

    def update
        respond_to do |format|
            if @tweet.update(tweet_params)
                format.html { redirect_to tweets_url, notice: 'Tweet was successfully updated.' }
                # format.json { render :show, status: :ok, location: @tweet }
            else
                format.html { render :edit }
                # format.json { render json: @tweet.errors, status: :unprocessable_entity }
            end
        end
    end

    def destroy
        respond_to do |format|
            format.any
            if @tweet.destroy
                redirect_to tweets_url
                format.html { redirect_to tweets_url, notice: 'Tweet was successfully destroyed.' }
            else
                format.json { head :no_content }
            end
        end
    end


    def post
        @client.update(@tweet)
        redirect_to tweets_url
    end

    private
    def tweet_params
        params.require(:tweet).permit(:text)
    end

    def set_tweet
        @tweet = Tweet.find(params[:id])
    end
    def set_client
        @client = Twitter.configure do |config|
            config.consumer_key       = 'YOUR_CONSUMER_KEY'
            config.consumer_secret    = 'YOUR_CONSUMER_SECRET'
            config.oauth_token        = 'YOUR_OAUTH_TOKEN'
            config.oauth_token_secret = 'YOUR_OAUTH_TOKEN_SECRET'
        end
    end
end

Rails.application.routes.draw do
    resources :tweets, only: [:index, :new, :create, :edit, :update, :destroy] do
        collection do
            get 'post'
        end
    end
end

저장된 트윗 목록에서 게시

<div>
  <table>
    <thead>
      <tr>
        <th>ID</th>
        <th>Text</th>
        <th colspan="3"></th>
      </tr>
    </thead>

    <tbody>
      <% @tweets.each do |tweet| %>
        <tr>
          <td><%= tweet.id %></td>
          <td><%= tweet.text %></td>
          <% tweet_post_url = 'post?id=' + tweet.id.to_s %>
          <td><%= link_to 'Tweet',tweet_post_url, data: { confirm: 'Are you sure?' } %></td>
          <td><%= link_to 'Edit', edit_tweet_path(tweet) %></td>
          <td><%= link_to 'Destroy', tweet, method: :delete, data: { confirm: 'Are you sure?' } %></td>
        </tr>
      <% end %>
    </tbody>
  </table>
</div>