Done

app/controllers/application_controller.rb

@@ -17,12 +17,29 @@ class ApplicationController < Sinatra::Base
   end
 
   post "/signup" do
-    #your code here
+
+  if params[:username] == "" || params[:password] == ""
+  redirect to "/failure"
+  else
+  user = User.create(:username => params[:username], 
+  :password => params[:password])
 
-  end
+  redirect to "/login"
+ end
+end
+
+    #or 
+    #post "/signup" do
+    #if params[:username] == "" || params[:password] == ""
+      #redirect '/failure'
+    #else
+      #User.create(username: params[:username], password: params[#:password])
+      #redirect '/login'
+    #end
+  #end
 
   get '/account' do
-    @user = User.find(session[:user_id])
+  @user = User.find(session[:user_id])
     erb :account
   end
 
@@ -31,9 +48,18 @@ class ApplicationController < Sinatra::Base
     erb :login
   end
 
-  post "/login" do
-    ##your code here
+    post "/login" do
+     @user = User.find_by(username: params[:username])
+     if @user && @user.authenticate(params[:password])
+       session[:user_id] = @user.id
+
+       redirect to "/account"
+     else
+
+       redirect to "/failure"
+     end
   end
+
 
   get "/failure" do
     erb :failure
@@ -52,6 +78,7 @@ def logged_in?
     def current_user
       User.find(session[:user_id])
     end
-  end
+ end 
+end 
+
 
-end

app/models/user.rb

@@ -1,2 +1,4 @@
 class User < ActiveRecord::Base
+  has_secure_password
+
 end

app/views/failure.erb

@@ -1,2 +1,3 @@
+
 <h1>Flatiron Bank Error</h1>
 <p>It seems there was a problem. Please return to <a href="/">the home page</a> and try again.</p>

db/migrate/001_users.rb

@@ -0,0 +1,9 @@
+class Users < ActiveRecord::Migration[4.2]
+
+  def change 
+    create_table :users do |t|
+      t.string :username
+      t.string :password_digest
+    end
+  end 
+end 

db/schema.rb

@@ -0,0 +1,20 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 1) do
+
+  create_table "users", force: :cascade do |t|
+    t.string "username"
+    t.string "password_digest"
+  end
+
+end