Class: MixpanelMagicLamp::InstanceMethods::ExpressionBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/mixpanel_magic_lamp/expression_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ ExpressionBuilder

Returns a new instance of ExpressionBuilder.



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 17

def initialize(*args)
  @expression = ''
  equals(*args) if args.any?
end

Instance Attribute Details

#expression ⇒ Object (readonly)

Returns the value of attribute expression.



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 15

def expression
  @expression
end

Instance Method Details

#and ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 26

def and
  @expression += ' and ' if @expression.present? and not @expression =~ /(and|or)\s*$/
  self
end

#contains(args = {}, union = 'and') ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 46

def contains(args = {}, union = 'and')
  @expression += join(args, union, "\":value\" in (properties[\":name\"])")
  self
end

#does_not_contain(args = {}, union = 'and') ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 51

def does_not_contain(args = {}, union = 'and')
  @expression += join(args, union, "not \":value\" in (properties[\":name\"])")
  self
end

#does_not_equal(args = {}, union = 'and') ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 41

def does_not_equal(args = {}, union = 'and')
  @expression += join(args, union, "properties[\":name\"] != \":value\"")
  self
end

#equals(args = {}, union = 'and') ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 36

def equals(args = {}, union = 'and')
  @expression += join(args, union, "properties[\":name\"] == \":value\"")
  self
end

#is_not_set(args = [], union = 'and') ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 61

def is_not_set(args = [], union = 'and')
  @expression += join(args, union, "not defined (properties[\":name\"])")
  self
end

#is_set(args = [], union = 'and') ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 56

def is_set(args = [], union = 'and')
  @expression += join(args, union, "defined (properties[\":name\"])")
  self
end

#or ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 31

def or
  @expression += ' or ' if @expression.present? and not @expression =~ /(and|or)\s*$/
  self
end

#to_s ⇒ Object 



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# File 'lib/mixpanel_magic_lamp/expression_builder.rb', line 22

def to_s
  @expression
end