```ruby
class TeachersController < ApplicationController

  def index
    @teachers = Teacher.all
  end

  def show
    @teacher = find_teacher
  end

  def new
    @teacher = Teacher.new
  end

  def edit
    @teacher = find_teacher
  end

  def create
    @teacher = Teacher.new(teacher_params)
      p "ABOUT TO SAVE"
      p @teacher
    @teacher.password = "temp"
    if @teacher.save
      p "============="
      p @teacher
      p "================"
      TeacherMailer.account_activation(@teacher).deliver_now
      redirect_to root_path
    else
      render "new"
    end
  end

  def update
    @teacher = Teacher.find_by(email: params[:email])
    if @teacher && teacher.email_authenticated?(params[:id])
      if @teacher.activated?
        @teacher.update(activation_digest: "")
        redirect_to root_path
      else
        flash[:warning] = "Account not activated.  Please contact your administrator."
        redirect_to root_path
      end
    else
      redirect_to root_path
    end

    # if @teacher.update(teacher_params)
    #   redirect_to teacher_path
    # else
    #   render "edit"
    # end
  end

  def destroy
    @teacher = find_teacher
    @teacher.destroy
    redirect_to root_path
  end

  def admin
    @teacher = Teacher.new
    @student = Student.new
    render "admin"
  end

  private

  def find_teacher
    Teacher.find(params[:id])
  end

  def teacher_params
    params.require(:teacher).permit(:name, :email)
  end

end
```

Remove temp password in teachers controller
user
```ruby
class TeachersController < ApplicationController

  def index
    @teachers = Teacher.all
  end

  def show
    @teacher = find_teacher
  end

  def new
    @teacher = Teacher.new
  end

  def edit
    @teacher = find_teacher
  end

  def create
    @teacher = Teacher.new(teacher_params)
      p "ABOUT TO SAVE"
      p @teacher
    # @teacher.password = "temp"
    if @teacher.save
      p "============="
      p @teacher
      p "================"
      TeacherMailer.account_activation(@teacher).deliver_now
      redirect_to root_path
    else
      render "new"
    end
  end

  def update
    @teacher = Teacher.find_by(email: params[:email])
    if @teacher && teacher.email_authenticated?(params[:id])
      if @teacher.activated?
        @teacher.update(activation_digest: "")
        redirect_to root_path
      else
        flash[:warning] = "Account not activated.  Please contact your administrator."
        redirect_to root_path
      end
    else
      redirect_to root_path
    end

    # if @teacher.update(teacher_params)
    #   redirect_to teacher_path
    # else
    #   render "edit"
    # end
  end

  def destroy
    @teacher = find_teacher
    @teacher.destroy
    redirect_to root_path
  end

  def admin
    @teacher = Teacher.new
    @student = Student.new
    render "admin"
  end

  private

  def find_teacher
    Teacher.find(params[:id])
  end

  def teacher_params
    params.require(:teacher).permit(:name, :email)
  end

end
```
assistant