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Mohamed El Sharnoby
8,226 PointsAllow users to input boolean values
I am building an app that allows users to register/book attendance in events. Part of the registration form is finding out whether the user wants to book a place for accommodation, I have added that column to the registration model accepting boolean values. I can't seem to be able to allow the users to input boolean values through the form. I tried something like
<%= f.label :accommodation_request%>
<%= f.checkbox :accommodation_request%>
I also tried using radio_buttons and so. All failed
4 Answers
Brandon Barrette
20,485 PointsAre you using the standard form_for? Or are you using simple_form?
The column in the database needs to be set to boolean, and then what you posted is almost correct for a form_for. (See below) I would also recommend a default value on your boolean, which you do in your migration (default: false).
<%= f.label :accommodation_request %>
<%= f.check_box :accommodation_request %>
Notice you need the underscore for check_box. I highly recommend using the rails docs for form helpers (it's so very helpful!):
Mohamed El Sharnoby
8,226 PointsI am using form_for. I did a typo up there, I did use check_box but it didn't work. I can add a deafult value using before_save in active record, right?
Brandon Barrette
20,485 PointsUsing a before_save is not the best method, since when the user sees the form, there is no default value to either check or uncheck the check_box.
What do you meant the check box didn't work? Is it not showing in the form? Or is it not saving to the database?
In order to diagnose, I need to see the schema.rb table for this model AND your form_for for this form.
Mohamed El Sharnoby
8,226 PointsYou can take a look at the entire code here
Brandon Barrette
20,485 PointsI would just try:
<%= f.label :accomodation_request %>
<%= f.check_box :accomodation_request %>
What happens when you do that?
Mohamed El Sharnoby
8,226 PointsAccomodation_request gets registered as nil in the database
Brandon Barrette
20,485 Pointsmake sure you permit it in the params (for strong parameters) I also recommend a default value in the database.
Mohamed El Sharnoby
8,226 PointsHow can I add a deafult value in the database to an already created column in the database? And how can I do that while creating a model/new column?