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Daniel Weller
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Finish demo app
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‎app/assets/javascripts/microposts.js.coffee

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# Place all the behaviors and hooks related to the matching controller here.
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# All this logic will automatically be available in application.js.
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# You can use CoffeeScript in this file: http://coffeescript.org/

‎app/assets/javascripts/users.js.coffee

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# Place all the behaviors and hooks related to the matching controller here.
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# All this logic will automatically be available in application.js.
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# You can use CoffeeScript in this file: http://coffeescript.org/

‎app/assets/stylesheets/microposts.css.scss

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// Place all the styles related to the Microposts controller here.
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// They will automatically be included in application.css.
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// You can use Sass (SCSS) here: http://sass-lang.com/

‎app/assets/stylesheets/scaffolds.css.scss

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body {
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background-color: #fff;
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color: #333;
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font-family: verdana, arial, helvetica, sans-serif;
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font-size: 13px;
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line-height: 18px;
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}
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p, ol, ul, td {
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font-family: verdana, arial, helvetica, sans-serif;
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font-size: 13px;
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line-height: 18px;
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}
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pre {
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background-color: #eee;
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padding: 10px;
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font-size: 11px;
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}
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a {
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color: #000;
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&:visited {
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color: #666;
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}
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&:hover {
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color: #fff;
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background-color: #000;
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}
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}
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div {
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&.field, &.actions {
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margin-bottom: 10px;
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}
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}
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#notice {
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color: green;
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}
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.field_with_errors {
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padding: 2px;
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background-color: red;
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display: table;
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}
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#error_explanation {
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width: 450px;
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border: 2px solid red;
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padding: 7px;
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padding-bottom: 0;
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margin-bottom: 20px;
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background-color: #f0f0f0;
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h2 {
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text-align: left;
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font-weight: bold;
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padding: 5px 5px 5px 15px;
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font-size: 12px;
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margin: -7px;
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margin-bottom: 0px;
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background-color: #c00;
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color: #fff;
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}
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ul li {
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font-size: 12px;
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list-style: square;
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}
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}

‎app/assets/stylesheets/users.css.scss

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// Place all the styles related to the Users controller here.
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// They will automatically be included in application.css.
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// You can use Sass (SCSS) here: http://sass-lang.com/

‎app/controllers/microposts_controller.rb

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class MicropostsController < ApplicationController
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before_action :set_micropost, only: [:show, :edit, :update, :destroy]
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# GET /microposts
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# GET /microposts.json
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def index
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@microposts = Micropost.all
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end
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# GET /microposts/1
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# GET /microposts/1.json
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def show
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end
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# GET /microposts/new
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def new
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@micropost = Micropost.new
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end
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# GET /microposts/1/edit
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def edit
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end
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# POST /microposts
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# POST /microposts.json
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def create
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@micropost = Micropost.new(micropost_params)
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respond_to do |format|
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if @micropost.save
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format.html { redirect_to @micropost, notice: 'Micropost was successfully created.' }
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format.json { render action: 'show', status: :created, location: @micropost }
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else
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format.html { render action: 'new' }
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format.json { render json: @micropost.errors, status: :unprocessable_entity }
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end
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end
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end
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# PATCH/PUT /microposts/1
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# PATCH/PUT /microposts/1.json
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def update
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respond_to do |format|
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if @micropost.update(micropost_params)
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format.html { redirect_to @micropost, notice: 'Micropost was successfully updated.' }
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format.json { head :no_content }
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else
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format.html { render action: 'edit' }
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format.json { render json: @micropost.errors, status: :unprocessable_entity }
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end
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end
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end
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# DELETE /microposts/1
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# DELETE /microposts/1.json
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def destroy
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@micropost.destroy
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respond_to do |format|
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format.html { redirect_to microposts_url }
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format.json { head :no_content }
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end
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end
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private
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# Use callbacks to share common setup or constraints between actions.
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def set_micropost
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@micropost = Micropost.find(params[:id])
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end
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# Never trust parameters from the scary internet, only allow the white list through.
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def micropost_params
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params.require(:micropost).permit(:content, :user_id)
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end
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end

‎app/controllers/users_controller.rb

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class UsersController < ApplicationController
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before_action :set_user, only: [:show, :edit, :update, :destroy]
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# GET /users
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# GET /users.json
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def index
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@users = User.all
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end
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# GET /users/1
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# GET /users/1.json
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def show
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end
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# GET /users/new
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def new
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@user = User.new
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end
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# GET /users/1/edit
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def edit
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end
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# POST /users
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# POST /users.json
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def create
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@user = User.new(user_params)
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respond_to do |format|
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if @user.save
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format.html { redirect_to @user, notice: 'User was successfully created.' }
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format.json { render action: 'show', status: :created, location: @user }
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else
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format.html { render action: 'new' }
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format.json { render json: @user.errors, status: :unprocessable_entity }
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end
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end
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end
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# PATCH/PUT /users/1
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# PATCH/PUT /users/1.json
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def update
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respond_to do |format|
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if @user.update(user_params)
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format.html { redirect_to @user, notice: 'User was successfully updated.' }
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format.json { head :no_content }
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else
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format.html { render action: 'edit' }
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format.json { render json: @user.errors, status: :unprocessable_entity }
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end
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end
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end
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# DELETE /users/1
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# DELETE /users/1.json
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def destroy
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@user.destroy
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respond_to do |format|
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format.html { redirect_to users_url }
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format.json { head :no_content }
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end
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end
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private
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# Use callbacks to share common setup or constraints between actions.
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def set_user
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@user = User.find(params[:id])
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end
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# Never trust parameters from the scary internet, only allow the white list through.
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def user_params
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params.require(:user).permit(:name, :email)
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end
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end

‎app/helpers/microposts_helper.rb

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module MicropostsHelper
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end

‎app/helpers/users_helper.rb

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module UsersHelper
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end

‎app/models/micropost.rb

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class Micropost < ActiveRecord::Base
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belongs_to :user
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validates :content, length: { maximum: 140 }
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end

‎app/models/user.rb

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class User < ActiveRecord::Base
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has_many :microposts
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end

‎app/views/microposts/_form.html.erb

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<%= form_for(@micropost) do |f| %>
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<% if @micropost.errors.any? %>
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<div id="error_explanation">
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<h2><%= pluralize(@micropost.errors.count, "error") %> prohibited this micropost from being saved:</h2>
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<ul>
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<% @micropost.errors.full_messages.each do |msg| %>
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<li><%= msg %></li>
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<% end %>
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</ul>
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</div>
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<% end %>
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<div class="field">
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<%= f.label :content %><br>
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<%= f.text_field :content %>
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</div>
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<div class="field">
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<%= f.label :user_id %><br>
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<%= f.number_field :user_id %>
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</div>
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<div class="actions">
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<%= f.submit %>
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</div>
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<% end %>

‎app/views/microposts/edit.html.erb

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<h1>Editing micropost</h1>
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<%= render 'form' %>
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<%= link_to 'Show', @micropost %> |
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<%= link_to 'Back', microposts_path %>

‎app/views/microposts/index.html.erb

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<h1>Listing microposts</h1>
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<table>
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<thead>
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<tr>
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<th>Content</th>
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<th>User</th>
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<th></th>
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<th></th>
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<th></th>
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</tr>
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</thead>
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<tbody>
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<% @microposts.each do |micropost| %>
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<tr>
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<td><%= micropost.content %></td>
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<td><%= micropost.user_id %></td>
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<td><%= link_to 'Show', micropost %></td>
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<td><%= link_to 'Edit', edit_micropost_path(micropost) %></td>
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<td><%= link_to 'Destroy', micropost, method: :delete, data: { confirm: 'Are you sure?' } %></td>
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</tr>
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<% end %>
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</tbody>
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</table>
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<br>
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<%= link_to 'New Micropost', new_micropost_path %>

‎app/views/microposts/index.json.jbuilder

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json.array!(@microposts) do |micropost|
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json.extract! micropost, :content, :user_id
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json.url micropost_url(micropost, format: :json)
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end

‎app/views/microposts/new.html.erb

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<h1>New micropost</h1>
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<%= render 'form' %>
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<%= link_to 'Back', microposts_path %>

‎app/views/microposts/show.html.erb

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<p id="notice"><%= notice %></p>
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<p>
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<strong>Content:</strong>
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<%= @micropost.content %>
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</p>
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<p>
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<strong>User:</strong>
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<%= @micropost.user_id %>
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</p>
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<%= link_to 'Edit', edit_micropost_path(@micropost) %> |
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<%= link_to 'Back', microposts_path %>

‎app/views/microposts/show.json.jbuilder

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json.extract! @micropost, :content, :user_id, :created_at, :updated_at

‎app/views/users/_form.html.erb

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<%= form_for(@user) do |f| %>
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<% if @user.errors.any? %>
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<div id="error_explanation">
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<h2><%= pluralize(@user.errors.count, "error") %> prohibited this user from being saved:</h2>
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<ul>
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<% @user.errors.full_messages.each do |msg| %>
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<li><%= msg %></li>
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<% end %>
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</ul>
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</div>
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<% end %>
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<div class="field">
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<%= f.label :name %><br>
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<%= f.text_field :name %>
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</div>
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<div class="field">
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<%= f.label :email %><br>
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<%= f.text_field :email %>
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</div>
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<div class="actions">
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<%= f.submit %>
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</div>
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<% end %>

‎app/views/users/edit.html.erb

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<h1>Editing user</h1>
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<%= render 'form' %>
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<%= link_to 'Show', @user %> |
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<%= link_to 'Back', users_path %>

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