Validating dates in rails

The following form contains some typical validators needed in a registration form.

This j Query plugin has support for a lot more validation functions, you find them all in the menu to the right.

I want to first check that the dates are valid and if not display an error indicating dates are not valid, then run the report only if valid. (params[:from][:year].to_i, params[:from][:month].to_i, params[:from][:day].to_i) && Date.valid_date? (params[:to][:year].to_i, params[:to][:month].to_i, params[:to][:day].to_i) redirect_to :back, alert: "Please provide valid date values." and return end unless[:from][:year].to_i, params[:from][:month].to_i, params[:from][:day].to_i) # Returns a Date, or nil if the input isn't valid def params_to_date(params = ) args = %w(year month day)*args) if Date.valid_date?

Here you can read more about styling of the form and error dialogs.

In other words: If a date/time is created in GMT (Greenwich Mean Time), the date/time will be converted to CDT (Central US Daylight Time) if a user browses from central US.

In this fifth installment of a seven-part series on the j Query Java Script framework's Validator plug-in, I introduce the digits and date options.

This is achieved by grouping together validation functions in "modules", making it possible to load only those functions that's needed to validate a particular form.

This plugin is available through cdnjs, npm, bower and github.


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