method

find_or_create_by!

rails latest stable - Class: ActiveRecord::Relation

find_or_create_by!(attributes, &block)

public

Like #find_or_create_by, but calls {create!}[rdoc-ref:Persistence::ClassMethods#create!] so an exception is raised if the created record is invalid.

# File activerecord/lib/active_record/relation.rb, line 182
    def find_or_create_by!(attributes, &block)
      find_by(attributes) || create_or_find_by!(attributes, &block)
    end

find_or_create_by!

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