Ruby on Rails

On 30 June 2016 at 15:27, 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)

You should probably be using rails validations for this, most of the
work will then be done for you by rails. I suggest that you work
right through a good tutorial such as railstutorial.org, which will
show you the basics of rails and save both yourself and us a lot of
time in the long run. To get a flavour of validations you can look at
the Rails Guide on ActiveRecord Validations.

Colin

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