Initial stab at check-in feature

app/controllers/api/v1/base_controller.rb

@@ -0,0 +1,23 @@
+class Api::V1::BaseController < ActionController::Base
+  respond_to :json
+
+  before_filter :authenticate_user
+
+  private
+    def authenticate_user
+      if params[:token]
+        @current_user = User.find_by_authentication_token(params[:token])
+      else
+        user = User.find_for_database_authentication( :email => params[:username] )
+        @current_user = user if user && user.valid_password?( params[:password] )
+      end
+      unless @current_user
+        render :json => {:error => "Username/Password/Token invalid" }, :status => 403
+      end
+    end
+
+    def current_user
+      @current_user
+    end
+end
+

app/controllers/api/v1/logs_controller.rb

@@ -0,0 +1,20 @@
+class Api::V1::LogsController < Api::V1::BaseController
+
+  def checkin
+    if @current_user.checked_in?
+      render :json => { "error" => "You are already checked in."}, :status => 404 and return
+    else
+      @current_user.checkin
+      render :nothing => true, :status => 204 and return
+    end
+  end
+
+  def checkout
+    if !@current_user.checked_in?
+      render :json => { "error" => "You were not even checked in."}, :status => 404 and return
+    else
+      @current_user.checkout
+      render :nothing => true, :status => 204 and return
+    end
+  end
+end