add users controller and intermediate username step

app/assets/stylesheets/users.scss

@@ -0,0 +1,7 @@
+.user {
+  .description {
+    p {
+      font-size: 14px;
+    }
+  }
+}

app/controllers/landing_controller.rb

@@ -19,7 +19,7 @@ class LandingController < ApplicationController
     @room_name = params[:name]
     @user = User.find_by(username: @room_name)
     @meeting_token = @room_name
-    @resource = params[:resource]
+    @resource = "rooms"
     @resource_url = room_url(@meeting_token)
     if @user.nil?
       redirect_to root_path

app/controllers/sessions_controller.rb

@@ -1,8 +1,14 @@
 class SessionsController < ApplicationController
   def create
     @user = User.from_omniauth(request.env['omniauth.auth'])
-    session[:user_id] = @user.id
-    redirect_to controller: 'landing', action: 'room', name: @user.username
+    if @user.persisted?
+      session[:user_id] = @user.id
+      redirect_to controller: 'landing', action: 'room', name: @user.username
+    else
+      @user.save!
+      session[:user_id] = @user.id
+      redirect_to controller: 'users', action: 'edit', id: @user.id
+    end
   rescue => e
     logger.error "Error authenticating via omniauth: #{e}"
     redirect_to root_path

app/controllers/users_controller.rb

@@ -0,0 +1,31 @@
+class UsersController < ApplicationController
+  before_action :set_user, only: [:edit, :update]
+
+  # GET /users/1/edit
+  def edit
+  end
+
+  # PATCH/PUT /users/1
+  # PATCH/PUT /users/1.json
+  def update
+    if @user.update(user_params)
+      redirect_to controller: 'landing', action: 'room', name: @user.username
+    else
+      render :edit
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_user
+      @user = User.find(params[:id])
+      if @user.username
+        raise ActionController::RoutingError.new('Not Found')
+      end
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def user_params
+      params.require(:user).permit(:username)
+    end
+end

app/helpers/users_helper.rb

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

app/models/user.rb

@@ -1,10 +1,13 @@
 class User < ApplicationRecord
 
+  validates :username, uniqueness: true
+
   def self.from_omniauth(auth_hash)
-    user = find_or_create_by(uid: auth_hash['uid'], provider: auth_hash['provider'])
-    user.username = self.send("#{auth_hash['provider']}_username", auth_hash) rescue nil
-    user.name = auth_hash['info']['name']
-    user.save!
+    user = find_or_initialize_by(uid: auth_hash['uid'], provider: auth_hash['provider'])
+    unless user.persisted?
+      # user.username = self.send("#{auth_hash['provider']}_username", auth_hash) rescue nil
+      user.name = auth_hash['info']['name']
+    end
     user
   end
 

app/views/users/_form.html.erb

@@ -0,0 +1,15 @@
+<div class="col-sm-4 col-sm-offset-4">
+  <div class="jumbotron">
+    <h4>Enter Username below</h4>
+
+    <%= form_for(user, html: {class: "form-inline"}) do |f| %>
+      <div class="form-group">
+        <%= f.text_field :username, placeholder: "Username", class: "form-control input" %>
+      </div>
+      <%= f.submit class: "btn btn-success", value: "Save" %>
+    <% end %>
+    <div class="description">
+      <p>This username will be used to identify your personal room</p>
+    </div>
+  </div>
+</div>

app/views/users/edit.html.erb

@@ -0,0 +1,3 @@
+<div class="page-wrapper user edit">
+  <%= render 'form', user: @user %>
+</div>