From: Josh Cheek <josh.cheek@...>
Date: 2010-10-13T02:19:28+09:00
Subject: Re: if the variable is set.

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On Tue, Oct 12, 2010 at 11:57 AM, Leonel *.* <leonelsantos.me@gmail.com>wrote:

> How can I create an if statement to check if a variable contains a
> value? If it does contain a value, I want to send an email. I'm doing
> the following but it doesn't work...
>
> --------------------------------------------------------
> EXTRACT
> --------------------------------------------------------
>        # send email only if a client email is set
>        if defined?(appointment.client.email)
>          Notifier.appointment_booked(@appointment).deliver
>        end
> --------------------------------------------------------
>
>
> --------------------------------------------------------
> FULL CONTROLLER
> --------------------------------------------------------
> class AppointmentsController < ApplicationController
>  before_filter :load_clients_and_services, :only => [ :new, :create,
> :edit ]
>
>  # GET /appointments
>  # GET /appointments.xml
>  def index
>    @appointments = Appointment.all(:order => 'start', :conditions => [
> "start >= ?", Date.today ] )
>    appointments = Appointment.all(:order => 'start', :conditions => [
> "start >= ?", Date.today ] )
>    appointments.group_by do |appointment|
>      appointment.start.strftime("%Y%m%d")
>    end
>
>    @past_appointments = Appointment.all(:order => 'start', :conditions
> => [ "start < ?", Date.today ] )
>
>    respond_to do |format|
>      format.html # index.html.erb
>      format.xml  { render :xml => @appointments }
>    end
>  end
>
>  # GET /appointments/1
>  # GET /appointments/1.xml
>  def show
>    @appointment = Appointment.find(params[:id])
>
>    respond_to do |format|
>      format.html # show.html.erb
>      format.xml  { render :xml => @appointment }
>    end
>  end
>
>  # GET /appointments/new
>  # GET /appointments/new.xml
>  def new
>    @appointment = Appointment.new
>
>    respond_to do |format|
>      format.html # new.html.erb
>      format.xml  { render :xml => @appointment }
>    end
>  end
>
>  # GET /appointments/1/edit
>  def edit
>    @appointment = Appointment.find(params[:id])
>  end
>
>  # POST /appointments
>  # POST /appointments.xml
>  def create
>    @appointment = Appointment.new(params[:appointment])
>
>    respond_to do |format|
>      if @appointment.save
>
>        # send email only if a client email is set
>        if defined?(appointment.client.email)
>          Notifier.appointment_booked(@appointment).deliver
>        end
>
>        format.html { redirect_to(@appointment, :notice => 'Appointment
> was successfully created.') }
>        format.xml  { render :xml => @appointment, :status => :created,
> :location => @appointment }
>      else
>        format.html { render :action => "new" }
>        format.xml  { render :xml => @appointment.errors, :status =>
> :unprocessable_entity }
>      end
>    end
>  end
>
>  # PUT /appointments/1
>  # PUT /appointments/1.xml
>  def update
>    @appointment = Appointment.find(params[:id])
>
>    respond_to do |format|
>      if @appointment.update_attributes(params[:appointment])
>        format.html { redirect_to(@appointment, :notice => 'Appointment
> was successfully updated.') }
>        format.xml  { head :ok }
>      else
>        format.html { render :action => "edit" }
>        format.xml  { render :xml => @appointment.errors, :status =>
> :unprocessable_entity }
>      end
>    end
>  end
>
>  # DELETE /appointments/1
>  # DELETE /appointments/1.xml
>  def destroy
>    @appointment = Appointment.find(params[:id])
>    @appointment.destroy
>
>    respond_to do |format|
>      format.html { redirect_to(appointments_url) }
>      format.xml  { head :ok }
>    end
>  end
>
>  private
>    def load_clients_and_services
>      @clients = Client.find(:all)
>      @services = Service.find(:all)
>    end
>
> end
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

Hi, Leonel, this forum is for Ruby, the programming language. It looks like
your question is about Rails, the web framework. Since you posted from
ruby-forum, you should be able to the ruby on rails forum by selecting the
next forum down on the main list. You'll want to repost your question there.

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