Add users controller

app/controllers/contests_controller.rb

@@ -3,6 +3,7 @@ class ContestsController < ApplicationController
 
   def index
     @contests = current_user.contests
+    @user = current_user
   end
 
   def show

app/controllers/users_controller.rb

@@ -0,0 +1,36 @@
+class UsersController < ApplicationController
+  before_action :set_user, only: %i[ destroy edit update show ]
+
+  def index
+  end
+
+  def edit
+  end
+
+  def update
+    if @user.update(user_params)
+      redirect_to @user
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def show
+  end
+
+  def new
+  end
+
+  def destroy
+  end
+
+  private
+
+  def set_user
+    @user = User.find(params[:id])
+  end
+
+  def user_params
+    params.expect(user: [ :username, :email_address ])
+  end
+end

app/helpers/users_helper.rb

@@ -0,0 +1,2 @@
+module UsersHelper
+end

app/models/user.rb

@@ -4,4 +4,6 @@ class User < ApplicationRecord
   has_secure_password
 
   normalizes :email_address, with: ->(e) { e.strip.downcase }
+
+  validates :username, presence: true, uniqueness: true
 end

app/views/contests/index.html.slim

@@ -1,7 +1,9 @@
 .container.mt-5
   - if authenticated?
-    .float-end
-     = button_to "Log out", session_path, method: :delete
+    .float-end.ms-3
+      = button_to "Log out", session_path, method: :delete
+    .float-end.mt-1
+      = link_to "Settings", user_path(@user)
 
   h1 Welcome!
 

app/views/users/_form.html.slim

@@ -0,0 +1,9 @@
+= form_with model: user do |form|
+  div
+    = form.label :username
+    = form.text_field :username
+  div
+    = form.label :email_address
+    = form.text_field :email_address
+  div
+    = form.submit

app/views/users/edit.html.slim

@@ -0,0 +1,4 @@
+.container
+  h1 Edit settings
+
+  = render "form", user: @user

app/views/users/index.html.slim

@@ -0,0 +1 @@
+.container

app/views/users/new.html.slim

@@ -0,0 +1,4 @@
+.container
+  h1 Create a new user
+  
+  = render "form", user: @user

app/views/users/show.html.slim

@@ -0,0 +1,9 @@
+.container
+  h1 = @user.username
+
+  p
+    |> Email:
+    = @user.email_address
+
+  a.btn.btn-primary.mt-4 href=edit_user_path(@user)
+    | Edit