admin.rb

class Admin < APIWrapper

  custom_post :login
  collection_path 'admins'
  resource_path 'admins/get/:id'

  def self.get_admin(superadmin_id, admin_id)
    get("admins/get/#{superadmin_id}/#{admin_id}")
  end

  def self.login(email, password)
    post_raw('admins/login',
             { email: email, password: password }) { |data| parse_data(data) }
  end

end

apiwrapper.rb

class APIWrapper

  include Her::Model
  uses_api $primary_api

  def self.parse_data(data)
    if data[:errors]
      parsed_data = data[:errors]
    else
      parsed_data = data[:data]
    end

    if parsed_data.is_a?(Array)
      new_collection(parsed_data)
    else
      new(parsed_data)
    end
  end
end

beginrescue.rb

class SessionsController < ApplicationController

  def new
    redirect_to projects_path if signed_in?
  end

  def create
    api_response = Admin.login(params[:session][:email].downcase, params[:session][:password])

    begin
      errors = api_response.code
    rescue NoMethodError
      errors = nil
    end

    if !errors.nil?
      flash.now[:error] = "Invalid email/password combination"
      render 'new'
    else
      sign_in api_response
      redirect_back_or projects_path
    end
  end

  def destroy
    sign_out
    redirect_to root_url
  end
end