Allow account creation without slack account

app/controllers/sessions_controller.rb

@@ -28,14 +28,26 @@ class SessionsController < ApplicationController
   end
 
   def email
-    email_address = EmailAddress.find_by(email: params[:email].downcase)
+    email = params[:email].downcase
+    email_address = EmailAddress.find_by(email: email)
 
     if email_address
+      # Existing user - send sign in link
       token = email_address.user.create_email_signin_token
       AuthMailer.sign_in_email(email_address, token).deliver_later
       redirect_to root_path(sign_in_email: true), notice: "Check your email for a sign-in link!"
     else
-      redirect_to root_path, alert: "Email not found. Please sign in with Slack first."
+      # New user - create account and send sign in link
+      user = User.create!(
+        username: email.split("@").first,
+        slack_uid: SecureRandom.uuid # Generate a unique ID for email users
+      )
+
+      email_address = user.email_addresses.create!(email: email)
+      token = user.create_email_signin_token
+      AuthMailer.sign_in_email(email_address, token).deliver_later
+
+      redirect_to root_path(sign_in_email: true), notice: "Welcome! Check your email for a sign-in link!"
     end
   end
 

app/models/user.rb

@@ -2,7 +2,7 @@ class User < ApplicationRecord
   has_paper_trail
   encrypts :slack_access_token
 
-  validates :slack_uid, presence: true, uniqueness: true
+  validates :slack_uid, uniqueness: true, allow_nil: true
   validates :username, presence: true
 
   has_many :heartbeats
@@ -179,6 +179,10 @@ class User < ApplicationRecord
     heartbeats.where(project: active_project).duration_seconds
   end
 
+  def most_recent_direct_entry_heartbeat
+    heartbeats.where(source_type: :direct_entry).order(time: :desc).first
+  end
+
   def create_email_signin_token
     sign_in_tokens.create!(auth_type: :email)
   end

app/views/static_pages/index.html.erb

@@ -23,25 +23,22 @@
     <div class="auth-options">
       <%= link_to "Sign in with Slack", slack_auth_path, class: "auth-button slack" %>
       
-      <% if Rails.env.development? %>
-        <div class="auth-divider">or</div>
-        
-        <%= form_tag email_auth_path, class: "email-auth-form" do %>
-          <div class="field">
-            <%= email_field_tag :email, nil, placeholder: "Enter your email", required: true %>
-          </div>
-          <%= submit_tag "Send sign-in link", class: "auth-button email" %>
+      <div class="auth-divider">or</div>
+      
+      <%= form_tag email_auth_path, class: "email-auth-form" do %>
+        <div class="field">
+          <%= email_field_tag :email, nil, placeholder: "Enter your email", required: true %>
+        </div>
+        <%= submit_tag "Send sign-in link", class: "auth-button email" %>
+      <% end %>
+      <% if params[:sign_in_email] %>
+        <div class="auth-success">
+          Check your email for a sign-in link!
+        </div>
+        <% dev_tool do %>
+          Because you're on localhost, <%= link_to "click here to view the email", letter_opener_web_path %>
         <% end %>
-        <% if params[:sign_in_email] %>
-          <div class="auth-success">
-            Check your email for a sign-in link!
-          </div>
-          <% dev_tool do %>
-            Because you're on localhost, <%= link_to "click here to view the email", letter_opener_web_path %>
-          <% end %>
-        <% end %>
-
-      </div>
-    <% end %>
+      <% end %>
+    </div>
   <% end %>
 </div>