Class: QueryReport::ColumnModule::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/query_report/column.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(report, column_name, options = {}, block = nil) ⇒ Column

Returns a new instance of Column.



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# File 'lib/query_report/column.rb', line 48

def initialize(report, column_name, options={}, block = nil)
  @report, @name, @options = report, column_name, options
  @type = @report.model_class.columns_hash[column_name.to_s].try(:type) || options[:type] || :string
  @data = block || column_name.to_sym
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/query_report/column.rb', line 46

def data
  @data
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/query_report/column.rb', line 46

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/query_report/column.rb', line 46

def options
  @options
end

#report ⇒ Object (readonly)

Returns the value of attribute report.



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# File 'lib/query_report/column.rb', line 46

def report
  @report
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/query_report/column.rb', line 46

def type
  @type
end

Instance Method Details

#has_total? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/query_report/column.rb', line 70

def has_total?
  @options[:show_total] == true
end

#humanize ⇒ Object 



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# File 'lib/query_report/column.rb', line 62

def humanize
  @humanize ||= options[:as] || @report.model_class.human_attribute_name(name)
end

#only_on_web? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/query_report/column.rb', line 54

def only_on_web?
  @options[:only_on_web] == true
end

#sortable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/query_report/column.rb', line 58

def sortable?
  @options[:sortable] == true
end

#total ⇒ Object 



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# File 'lib/query_report/column.rb', line 74

def total
  @total ||= has_total? ? report.records.inject(0) {|sum, r| sum + r[humanize] } : nil
end

#value(record) ⇒ Object 



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# File 'lib/query_report/column.rb', line 66

def value(record)
  self.data.kind_of?(Symbol) ? record.send(self.name) : self.data.call(record)
end