Added authentication_zero

app/controllers/sessions_controller.rb

@@ -0,0 +1,32 @@
+class SessionsController < ApplicationController
+  skip_before_action :authenticate_user!, only: %i[ new create ]
+
+  before_action :set_session, only: :destroy
+
+  def index
+    @sessions = Current.user.sessions.order(created_at: :desc)
+  end
+
+  def new
+  end
+
+  def create
+    if user = User.authenticate_by(email: params[:email], password: params[:password])
+      @session = user.sessions.create!
+      cookies.signed.permanent[:session_token] = { value: @session.id, httponly: true }
+
+      redirect_to root_path, notice: "Signed in successfully"
+    else
+      redirect_to sign_in_path(email_hint: params[:email]), alert: "That email or password is incorrect"
+    end
+  end
+
+  def destroy
+    @session.destroy; redirect_to(sessions_path, notice: "That session has been logged out")
+  end
+
+  private
+    def set_session
+      @session = Current.user.sessions.find(params[:id])
+    end
+end