Done

Gemfile

@@ -11,6 +11,7 @@ gem 'shotgun'
 gem 'pry'
 gem 'bcrypt'
 gem "tux"
+gem 'rack-flash3'
 
 group :test do
   gem 'rspec'

Gemfile.lock

@@ -44,6 +44,8 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (4.0.1)
     rack (2.0.7)
+    rack-flash3 (1.0.5)
+      rack
     rack-protection (2.0.7)
       rack
     rack-test (1.1.0)
@@ -109,6 +111,7 @@ DEPENDENCIES
   capybara
   database_cleaner
   pry
+  rack-flash3
   rack-test
   rake
   require_all

app/controllers/application_controller.rb

@@ -1,10 +1,29 @@
 require './config/environment'
+require 'rack-flash'
 
 class ApplicationController < Sinatra::Base
 
+  helpers do 
+    def logged_in?
+      !!session[:user_id]
+    end
+
+    def current_user 
+      User.find(session[:user_id])
+    end 
+  end 
+
+
   configure do
     set :public_folder, 'public'
     set :views, 'app/views'
+    enable :sessions
+    use Rack::Flash
   end
+
+
+  get '/' do 
+    erb :index 
+  end 
 
 end

app/controllers/tweets_controller.rb

@@ -1,4 +1,87 @@
 class TweetsController < ApplicationController
+
+  get '/tweets' do
+    if !logged_in?
+      flash[:message] = "You must log in first."
+      redirect to '/login'
+    else
+      erb :'/tweets/tweets'
+    end
+  end
+
+
+  get '/tweets/new' do 
+    if !logged_in?
+      flash[:message] = "You must log in first."
+      redirect to '/login'
+    else
+      erb :'/tweets/new'
+    end
+  end 
+
+
+  post '/tweets' do 
+    if !params[:content].empty?
+      @tweet = Tweet.create(params)
+      @tweet.user = current_user
+      @tweet.save 
+      flash[:message] = "Tweet posted!"
+      redirect to "/tweets/#{@tweet.id}"
+    else 
+      flash[:message] = "Your tweet cannot be empty."
+      redirect to '/tweets/new'
+    end 
+  end 
+
+
+  get '/tweets/:id' do 
+    if !logged_in?
+      flash[:message] = "You must log in first."
+      redirect to '/login'
+    else
+      @tweet = Tweet.find(params[:id])
+      erb :'tweets/show_tweet'
+    end
+  end 
+
 
+  get '/tweets/:id/edit' do 
+    @tweet = Tweet.find_by_id(params[:id])
+    if logged_in? && @tweet.user == current_user
+      erb :'/tweets/edit_tweet'
+    elsif logged_in? && @tweet.user != current_user
+      flash[:message] = "You cannot edit other people's tweets."
+      redirect to "/tweets/#{@tweet.id}"
+    else
+      flash[:message] = "You must log in first."
+      redirect to '/login'
+    end
+  end 
+
+
+  patch '/tweets/:id' do 
+    @tweet = Tweet.find(params[:id])
+    if !params[:content].blank?
+      @tweet.update("content" => params[:content])
+      flash[:message] = "Tweet successfully updated."
+      redirect to "/tweets/#{@tweet.id}"
+    else 
+      flash[:message] = "Please enter content to update tweet."
+      redirect to "/tweets/#{@tweet.id}/edit"
+    end 
+  end 
+
+
+  delete '/tweets/:id' do 
+    @tweet = Tweet.find(params[:id])
+    if @tweet.user_id == current_user.id
+      @tweet.destroy
+      flash[:message] = "Tweet successfully deleted."
+    else 
+      flash[:message] = "You cannot delete other people's tweets."
+    end 
+    redirect to '/tweets'
+  end 
+
 
 end

app/controllers/users_controller.rb

@@ -1,4 +1,65 @@
 class UsersController < ApplicationController
-
+
+  get '/signup' do 
+    if !logged_in?
+      erb :'/users/signup'
+    else 
+      redirect to '/tweets'
+    end
+  end 
+
+
+  post '/signup' do 
+    if params[:username].empty? || params[:email].empty? || params[:password].empty?
+      flash[:message] = "Missing Username, Email or Password."
+      redirect to '/signup'
+    else 
+      user = User.create(params)
+      flash[:message] = "User created successfully. Logging you in.."
+      session[:user_id] = user.id
+      redirect to '/tweets'
+    end 
+  end 
+
+
+  get '/login' do 
+    if !logged_in?
+      erb :'/users/login'
+    else 
+      redirect to '/tweets'
+    end 
+  end 
+
+
+  post '/login' do 
+    user = User.find_by(:username => params[:username])
+
+    if user && user.authenticate(params[:password])
+      session[:user_id] = user.id 
+      flash[:message] = "Logged in successfully."
+      redirect to '/tweets'
+    else 
+      flash[:message] = "Username or Password is incorrect."
+      redirect to '/login'
+    end 
+  end   
+
+
+  get '/logout' do 
+    if !logged_in?
+      redirect to '/'
+    else 
+      flash[:message] = "Logged out successfully."
+      session.clear
+      redirect to '/login'
+    end 
+  end 
+
+
+  get '/users/:slug' do 
+    @user = User.find_by_slug(params[:slug])
+    erb :'/users/show'
+  end 
+
 
 end

app/models/concerns/slugifiable.rb

@@ -0,0 +1,15 @@
+module Slugifiable 
+
+  module InstanceMethods
+    def slug
+      self.username.gsub(" ", '-').downcase
+    end 
+  end 
+
+  module ClassMethods 
+    def find_by_slug(slug) 
+      self.all.find {|instance| instance.slug == slug}
+    end 
+  end 
+
+end

app/models/user.rb

@@ -1,4 +1,9 @@
+require_relative './concerns/slugifiable.rb'
+
 class User < ActiveRecord::Base
+  extend Slugifiable::ClassMethods
+  include Slugifiable::InstanceMethods
+
   has_secure_password
   has_many :tweets
 end

app/views/index.erb

@@ -0,0 +1,2 @@
+<a href="/login">Log In</a>
+<a href="/signup">Sign Up</a>

app/views/layout.erb

@@ -9,6 +9,7 @@
       <h1>Welcome to Fwitter!</h1>
       <h2>This is located in layout.erb!</h2>
       <h2>Don't forget to <strong>yield</strong> your views!</h2>
+      <%= yield %>
     </div>
 
   </body>

app/views/tweets/edit_tweet.erb

@@ -0,0 +1,12 @@
+<h1>Welcome, <%= current_user.username %></h1>
+
+<h3>Edit Tweet</h3>
+
+<form action='/tweets/<%= @tweet.id %>' method="post">
+  <input type="hidden" id="hidden" name="_method" value="patch">
+
+  <label for="content">Tweet:</label>
+  <input type="text" id="content" name="content" value="<%= @tweet.content %>">
+
+  <button type="submit" value="submit">Edit Tweet</button>
+</form>

app/views/tweets/new.erb

@@ -1,16 +1,10 @@
-<% if Helpers.is_logged_in?(session) %>
-<%= @error %>
-  <form action='/tweets' method="post">
-    Content:
-    <input type="text" name="content"><br>
-    Create Your Tweet:
+<h1>Welcome, <%= current_user.username %></h1>
 
-    <input type="submit" name="submit" id="submit">
+<h3>Post a New Tweet</h3>
 
-    <input type="submit" name="submit">
-
-  </form>
-
-  <% else %>
-      <h1> You Must Be Logged in to Make Tweets </h1>
-  <% end %>
+<form action='/tweets' method="post">
+  <label for="content">Tweet:</label>
+  <input type="text" id="content" name="content">
+
+  <button type="submit" value="submit">Post Tweet</button>
+</form>

app/views/tweets/show_tweet.erb

@@ -0,0 +1,14 @@
+<h1>Welcome, <%= current_user.username %></h1>
+
+<h3>View Tweet</h3>
+<h4><%= @tweet.content %></h4><br> 
+<p>--<%= @tweet.user.username %></p>
+
+
+<form action="/tweets/<%= @tweet.id %>" method="post">
+  <input type="hidden" id="hidden" name="_method" value="delete">
+  <button type="submit" value="submit">Delete Tweet</button>
+</form>
+
+<a href="/tweets/<%= @tweet.id %>/edit">Edit Tweet</a>
+

app/views/tweets/tweets.erb

@@ -0,0 +1,8 @@
+<h1>Welcome, <%= current_user.username %></h1>
+
+<h3>Latest Tweets</h3>
+<ul>
+<% Tweet.all.each do |tweet| %>
+  <li><%= tweet.content %></li>
+<% end %>
+</ul>

app/views/users/login.erb

@@ -0,0 +1,9 @@
+<form action="/login" method="post">
+  <label for="username">Usermame</label>
+  <input type="text" id="username" name="username">
+
+  <label for="password">Password</label>
+  <input type="text" id="password" name="password">
+
+  <button type="submit" value="submit">Log In</button>
+</form>

app/views/users/logout.erb

@@ -1,4 +1,4 @@
 <form action="/logout" method="post">
   Logout?
-  <input type="submit" name="logout" >
+  <button type="submit" value="submit">Log Out</button>
 </form>

app/views/users/show.erb

@@ -0,0 +1,10 @@
+<h1>Welcome, <%= current_user.username %></h1>
+
+<h3><%= @user.username %>'s Tweets</h3>
+<ul>
+  <% @user.tweets.each do |tweet| %>
+    <li><%= tweet.content %></li>
+  <% end %>
+</ul>
+
+<a href="/logout">Log Out</a>

app/views/users/signup.erb

@@ -0,0 +1,12 @@
+<form action="/signup" method="post">
+  <label for="username">Usermame</label>
+  <input type="text" id="username" name="username">
+
+  <label for ="email">Email</label>
+  <input type="text" id="email" name="email">
+
+  <label for="password">Password</label>
+  <input type="text" id="password" name="password">
+
+  <button type="submit" value="submit">Sign Up</button>
+</form>

db/migrate/20200108214445_create_users.rb

@@ -0,0 +1,9 @@
+class CreateUsers < ActiveRecord::Migration[6.0]
+  def change
+    create_table :users do |u|
+      u.string :username
+      u.string :email 
+      u.string :password_digest 
+    end 
+  end
+end

db/migrate/20200108214451_create_tweets.rb

@@ -0,0 +1,8 @@
+class CreateTweets < ActiveRecord::Migration[6.0]
+  def change
+    create_table :tweets do |t|
+      t.string :content 
+      t.integer :user_id 
+    end 
+  end
+end