Class: Bitcharts::BaseChart

Inherits:
Object
  • Object
show all
Defined in:
app/models/bitcharts/base_chart.rb

Direct Known Subclasses

ScopedChart

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.chart_types ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 9

def chart_types
  @@keys ||= {}
end

.for_key(key) ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 13

def for_key(key)
  chart_types[key].try(:new)
end

.has_key(key) ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 4

def has_key(key)
  chart_types[key] = self
  define_method(:key) { key }
end

.has_scope ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 17

def has_scope
  define_method(:scoped_value_for_date_range) do |date_range, scope|
    scoped_value(date_range, scope)
  end

  define_method(:scoped_value) do |date_range, scope|
    raise 'Chart must implement #scoped_value(date_range, scope)'
  end
end

Instance Method Details

#label ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 28

def label
  key
end

#scoped_label(scope) ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 32

def scoped_label(scope)
  "#{key}[#{scope}]"
end

#value(date_range) ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 40

def value(date_range)
  raise 'Chart must implement #value(date_range)'
end

#value_for_date_range(date_range) ⇒ Object 



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# File 'app/models/bitcharts/base_chart.rb', line 36

def value_for_date_range(date_range)
  value(date_range)
end