Module: Sequel::Plugins::TstzrangeFields

Defined in:
lib/sequel/plugins/tstzrange_fields.rb

Defined Under Namespace

Modules: ClassMethods, DatasetMethods

Constant Summary collapse

VERSION = 
SequelTstzrangeFields::VERSION

Class Method Summary collapse

Class Method Details

.apply(_model, _opts = {}) ⇒ Object 



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# File 'lib/sequel/plugins/tstzrange_fields.rb', line 39

def self.apply(_model, _opts={})
  Sequel.extension :pg_range_ops
end

.configure(model, *args) ⇒ Object 



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# File 'lib/sequel/plugins/tstzrange_fields.rb', line 43

def self.configure(model, *args)
  SequelTstzrangeFields::Helpers.check_schema_type_available(model.db, :tstzrange, :pg_range)
  args << :period if args.empty?
  args = args.flatten

  setup_model(model)
  model.tstzrange_columns = args
  model.tstzrange_columns.each do |column|
    create_accessors(model, column)
  end
end

.create_accessors(model, column) ⇒ Object 



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# File 'lib/sequel/plugins/tstzrange_fields.rb', line 59

def self.create_accessors(model, column)
  get_column_method = column.to_sym
  set_column_method = :"#{column}="
  get_begin_method = :"#{column}_begin"
  set_begin_method = :"#{column}_begin="
  get_end_method = :"#{column}_end"
  set_end_method = :"#{column}_end="

  model.define_method(get_column_method) do
    self[column]
  end

  model.define_method(set_column_method) do |value|
    self[column] = self.class.value_to_tstzrange(value)
  end

  model.define_method(get_begin_method) do
    r = send(get_column_method)
    return r&.begin
  end

  model.define_method(set_begin_method) do |new_time|
    new_range = self.class.new_tstzrange(new_time, send(get_end_method))
    send(set_column_method, new_range)
  end

  model.define_method(get_end_method) do
    r = send(get_column_method)
    return r&.end
  end

  model.define_method(set_end_method) do |new_time|
    new_range = self.class.new_tstzrange(send(get_begin_method), new_time)
    send(set_column_method, new_range)
  end
end

.setup_model(model) ⇒ Object 



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# File 'lib/sequel/plugins/tstzrange_fields.rb', line 55

def self.setup_model(model)
  model.extend(SequelTstzrangeFields::Helpers::ClassMethods)
end