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Editorial Team
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Asked: 2026-05-24T15:46:12+00:00

I have created a custom date_Select field using 3 separate select fields: <%= f.select

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I have created a custom date_Select field using 3 separate select fields:

<%= f.select :day, options_for_select(User::DAYS), :include_blank => "Day:" %>
<%= f.select :month, options_for_select(User::MONTHS), :include_blank => "Month:" %>
<%= f.select :year, options_for_select(User::YEAR_RANGE), :include_blank =>"Year:" %>

In my User.rb (Model) I have this validation rule and also using validates_timelessness gem:

  MONTHS = ["January", 1], ["February", 2]..etc
  DAYS = ["01", 1], ["02", 2], ["03", 3]..etc
  START_YEAR = Time.now.year - 111
  END_YEAR = Time.now.year
  YEAR_RANGE = START_YEAR..END_YEAR

validates :birthday,   :timeliness  => {:on_or_before => lambda { Date.current }, :type => :date, :on_or_before_message => "Select a valid birthday"}

I have created some tests which work perfectly fine with the date_select that comes with rails but that date_select is buggy which is why I opted for a custom one. My only issue now is I wish to get day, month and year to work with my :birthday symbol. How do I combine all 3 so that my :birthday symbol can use the select data? If that makes sense…

The date_select would have been perfect but it lets users submit a form without the yea being filled out and if a users chooses 1 for a day and clicks submit it will automatically select january. I haven’t found a way round that.

So I’m using 3 separate select fields which I want to combine and make work with :birthday just like date_select did.

Help is appreciated.

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1 Answer

  1. Editorial Team

    i would recommend using a date-select pop-up.

    There are several gems available. I have used the one detailed in http://www.rubyinside.com/calendar-date-select-a-lightweight-prototype-based-datetime-picker-for-rails-developers-573.html with success.

    Once you have a real date field you’ll be in a better position to perform date type validations including ranges and presence that you can be confident in worrectly with that type of data.

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