Class: VWO::Services::OperandEvaluator

Inherits:
Object
  • Object
show all
Includes:
Utils::Function, Utils::Segment
Defined in:
lib/vwo/services/operand_evaluator.rb

Constant Summary

Constants included from Utils::Segment

Utils::Segment::GROUPING_PATTERN, Utils::Segment::WILDCARD_PATTERN

Constants included from CONSTANTS

CONSTANTS::API_VERSION, CONSTANTS::DEFAULT_EVENTS_PER_REQUEST, CONSTANTS::DEFAULT_REQUEST_TIME_INTERVAL, CONSTANTS::GOAL_TYPES, CONSTANTS::HTTPS_PROTOCOL, CONSTANTS::HTTP_PROTOCOL, CONSTANTS::LIBRARY_PATH, CONSTANTS::MAX_EVENTS_PER_REQUEST, CONSTANTS::MAX_RANGE, CONSTANTS::MAX_TRAFFIC_PERCENT, CONSTANTS::MAX_TRAFFIC_VALUE, CONSTANTS::MIN_EVENTS_PER_REQUEST, CONSTANTS::MIN_REQUEST_TIME_INTERVAL, CONSTANTS::PLATFORM, CONSTANTS::RUBY_VARIABLE_TYPES, CONSTANTS::SDK_NAME, CONSTANTS::SDK_VERSION, CONSTANTS::SEED_VALUE, CONSTANTS::STATUS_RUNNING, CONSTANTS::URL_NAMESPACE, CONSTANTS::VWO_DELIMITER

Instance Method Summary collapse

Methods included from Utils::Segment

#convert_to_true_types, #process_custom_variables_value, #process_operand_value, #separate_operand

Methods included from Utils::Function

#get_current_unix_timestamp, #get_current_unix_timestamp_in_millis, #get_key_value, #get_random_number

Instance Method Details

#contains?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variables_value contains operand_value

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


41
42
43
 
# File 'lib/vwo/services/operand_evaluator.rb', line 41

def contains?(operand_value, custom_variables_value)
  custom_variables_value.include?(operand_value)
end

#ends_with?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variables_value starts with operand_value

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


61
62
63
 
# File 'lib/vwo/services/operand_evaluator.rb', line 61

def ends_with?(operand_value, custom_variables_value)
  custom_variables_value.start_with?(operand_value)
end

#equals?(operand_value, custom_variables_value) ⇒ Boolean

Checks if both values are exactly same

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


82
83
84
 
# File 'lib/vwo/services/operand_evaluator.rb', line 82

def equals?(operand_value, custom_variables_value)
  custom_variables_value == operand_value
end

#evaluate_custom_variable?(operand, custom_variables) ⇒ Boolean

Identifies the condition stated in the leaf node and evaluates the result

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
 
# File 'lib/vwo/services/operand_evaluator.rb', line 129

def evaluate_custom_variable?(operand, custom_variables)
  # Extract custom_variable_key and custom_variables_value from operand
  operand_key, operand = get_key_value(operand)

  # Retrieve corresponding custom_variable value from custom_variables
  custom_variables_value = custom_variables[operand_key.to_sym]

  # Pre process custom_variable value
  custom_variables_value = process_custom_variables_value(custom_variables_value)

  # Pre process operand value
  operand_type, operand_value = process_operand_value(operand)

  # Process the custom_variables_value and operand_value to make them of same type
  operand_value, custom_variables_value = convert_to_true_types(operand_value, custom_variables_value)

  # Call the self method corresponding to operand_type to evaluate the result
  public_send("#{operand_type}?", operand_value, custom_variables_value)
end

#evaluate_user?(operand, custom_variables) ⇒ Boolean

Returns:

  • (Boolean) 


149
150
151
152
153
154
155
 
# File 'lib/vwo/services/operand_evaluator.rb', line 149

def evaluate_user?(operand, custom_variables)
  users = operand.split(',')
  users.each do |user|
    return true if user.strip == custom_variables[:_vwo_user_id]
  end
  false
end

#greater_than?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variable_value is greater than operand_value

Parameters:

  • operand_value (String) —

    Leaf value from the segments

  • custom_variables_value (Numeric) —

    Value from the custom_variables

Returns:

  • (Boolean) —

    True or False



100
101
102
 
# File 'lib/vwo/services/operand_evaluator.rb', line 100

def greater_than?(operand_value, custom_variables_value)
  custom_variables_value.to_f > operand_value.to_f
end

#greater_than_equal_to?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variable_value is greater than or equal to operand_value

Parameters:

  • operand_value (String) —

    Leaf value from the segments

  • custom_variables_value (Numeric) —

    Value from the custom_variables

Returns:

  • (Boolean) —

    True or False



118
119
120
 
# File 'lib/vwo/services/operand_evaluator.rb', line 118

def greater_than_equal_to?(operand_value, custom_variables_value)
  custom_variables_value.to_f >= operand_value.to_f
end

#less_than?(operand_value, custom_variables_value) ⇒ Boolean

Returns True or False.

Parameters:

  • operand_value (String) —

    Leaf value from the segments

  • custom_variables_value (Numeric) —

    Value from the custom_variables

Returns:

  • (Boolean) —

    True or False



91
92
93
 
# File 'lib/vwo/services/operand_evaluator.rb', line 91

def less_than?(operand_value, custom_variables_value)
  custom_variables_value.to_f < operand_value.to_f
end

#less_than_equal_to?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variable_value is less than or equal to operand_value

Parameters:

  • operand_value (String) —

    Leaf value from the segments

  • custom_variables_value (Numeric) —

    Value from the custom_variables

Returns:

  • (Boolean) —

    True or False



109
110
111
 
# File 'lib/vwo/services/operand_evaluator.rb', line 109

def less_than_equal_to?(operand_value, custom_variables_value)
  custom_variables_value.to_f <= operand_value.to_f
end

#lower?(operand_value, custom_variables_value) ⇒ Boolean

Checks if both values are same after ‘down-casing’ i.e. case insensitive check

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


31
32
33
 
# File 'lib/vwo/services/operand_evaluator.rb', line 31

def lower?(operand_value, custom_variables_value)
  operand_value.downcase == custom_variables_value.downcase
end

#regex?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variables_value matches the regex specified by operand_value

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


71
72
73
74
 
# File 'lib/vwo/services/operand_evaluator.rb', line 71

def regex?(operand_value, custom_variables_value)
  pattern = Regexp.new operand_value
  custom_variables_value =~ pattern
end

#starts_with?(operand_value, custom_variables_value) ⇒ Boolean

Checks if custom_variables_value ends with operand_value

Parameters:

  • :operand_value (String) —

    Leaf value from the segments

  • :custom_variables_value (String) —

    Value from the custom_variables

Returns:

  • (Boolean) 


51
52
53
 
# File 'lib/vwo/services/operand_evaluator.rb', line 51

def starts_with?(operand_value, custom_variables_value)
  custom_variables_value.end_with?(operand_value)
end