Class: ActiveFilter::Filter

Inherits:
Object
  • Object
show all
Defined in:
lib/active_filter/filter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/active_filter/filter.rb', line 8

def initialize(name)
  @name = name.to_s
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/active_filter/filter.rb', line 6

def name
  @name
end

Instance Method Details

#convert_value(value) ⇒ Object 



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# File 'lib/active_filter/filter.rb', line 12

def convert_value(value)
  value
end

#filter(scope, value, lookup_type) ⇒ Object 



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# File 'lib/active_filter/filter.rb', line 20

def filter(scope, value, lookup_type)
  case lookup_type
  when "exact"
    return scope.where("#{@name} = ?", value)
  when "contains"
    return scope.where("#{@name} LIKE ?", "%#{value}%")
  when "gt"
    return scope.where("#{@name} > ?", value)
  when "lt"
    return scope.where("#{@name} < ?", value)
  when "gte"
    return scope.where("#{@name} >= ?", value)
  when "lte"
    return scope.where("#{@name} <= ?", value)
  when "startswith"
    return scope.where("#{@name} LIKE ?", "#{value}%")
  when "endswith"
    return scope.where("#{@name} LIKE ?", "%#{value}")
  else
    raise ArgumentError.new("#{lookup_type} is not supported.")
  end
end

#lookup_type ⇒ Object 



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# File 'lib/active_filter/filter.rb', line 16

def lookup_type
  "exact"
end