Thursday, June 30, 2016
I have omitted some of the code for brevity
# controller
class AppointmentsController < ApplicationController
def index
@appointments = Appointment.all
end
def new
@appointment = Appointment.find(params[:id])
end
def create
@appointment = Appointment.new(appointment_params)
respond_to do |format|
if @appointment.save # here is your save
format.html { redirect_to appointments_path, notice: 'Appointment created successfuly' }
format.js {...} # put your code here
else
format.html { render :new }
format.js {...}
end
end
end
# rest of your code below
end
# Model
class Appointment < ActiveRecord::Base
# this is what the guys meant by "move this to active record validation"
validates :date, uniqueness: { scope: :timeslot } # this will return a validation error if an appointment exist with the same date and timeslot
end
Now in the view, the index page should have a table with dates and timeslots have a look at this railscast to learn how to do that, but note that the railscast it pretty old, http://railscasts.com/episodes/213-calendars, still it will help you to create a calendar, im pretty sure there is also a gem that can do it for you, but if you are learning the railscast will help you a lot. Then there, there should be create appointment link inside the free times slot, and then the appointment title in the timeslots that are already in use, its all most about the presentation of the index and the calendar, there not much logic inside create action besides what I have posted here. Dont be afraid to keep asking, and go into railscast and browse around there are some pretty good ones there that can help you learn the basics easily.
On Thu, Jun 30, 2016 at 10:27 AM, Ruth Stephenson <lists@ruby-forum.com> wrote:
Hi, I have a very beginners understanding of rails and ruby and I keep
getting stuck. Some previous posts have helped me a great deal but I now
have a different issue and so I thought I should start another post with
a different topic.
I am making an appointment booking app and I have a very basic design. I
have created an appointments scaffold with name:string phone:string
email:string numpeople:integer date:date timeslot:string. On the view
for creating a new appointment I have stated that appointment 1 is
9-11am, appointment 2 is 12-2pm, appointment 3 is 3-5pm and appointment
4 is 5 - 7pm. The user is asked to enter 1,2,3 or 4.
When the user clicks on "make appointment" I'm trying to interrupt the
appointments controller (create method) so that I can check if the date
&& timeslot are nil. if that is the case, the system should continue on
to create the appointment, if not then I want to redirect to somewhere
else. I have created a method called isValid? in the model (See below)
I think the method is correct as the system is getting as far as the
redirect. The problem is, it keeps redirecting to the page I told it to
go to if it's not saved(the homepage or root_path). (Also the
appointments are not saving).
So, there now seems to be an issue with saving the appointment data to
the database.
If anyone could give me some pointers, I would be so, so grateful!
CODE:
appointments Model:
class Appointment < ActiveRecord::Base
def isValid?
taken= Appointment.where("date = ? && timeslot = ?", date,timeslot)
Appointment.save unless taken
end
end
appointments controller:
def create
valid = @appointment = Appointment.new(appointment_params).isValid?
respond_to do |format|
if valid
format.html { redirect_to new_appointment_path, notice:
'Appointment was successfully created.' }
format.json { render :show, status: :created, location:
@appointment }
else
format.html { redirect_to root_path, notice: 'That appointment
is not available, please choose again' } # this redirect works with no
notice
format.js { render json: @appointment.errors, status:
:unprocessable_entity }
end
end
end
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