The following code adds dataset methods to all models that have
columns of type datetime:
Sequel::Model.plugin :subclasses
Sequel::Model.descendents.each {|m|
m.db_schema.each {|col, attr|
if attr[:type] == :datetime
method_name = (col.to_s.split('_').first + "_between").to_sym
m.def_dataset_method(method_name) {|from_date, to_date|
filter{(:created_at >= from_date) & (:created_at < to_date +
1)}
}
end
}
}
So you can write Artist.created_between(Date.today-5, Date.today),
Artist.updated_between etc. if Artist has created_at, updated_at
columns.
I would like to package this code in a plugin but I am not sure how.
Looked at the source of several plugins but none of them did anything
similar. Would appreciate some advice on how to proceed.
Thanks
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