Class: Code0::ZeroTrack::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/code0/zero_track/context.rb

Constant Summary collapse

LOG_KEY = 
'meta'
CORRELATION_ID_KEY = 
'correlation_id'
RAW_KEYS = 
[CORRELATION_ID_KEY].freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(values = {}) ⇒ Context

Returns a new instance of Context.



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# File 'lib/code0/zero_track/context.rb', line 56

def initialize(values = {})
  @data = {}

  assign_attributes(values)
end

Class Method Details

.correlation_id ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 33

def correlation_id
  current&.correlation_id
end

.current ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 37

def current
  contexts.last
end

.log_key(key) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 41

def log_key(key)
  key = key.to_s
  return key if RAW_KEYS.include?(key)
  return key if key.start_with?("#{LOG_KEY}.")

  "#{LOG_KEY}.#{key}"
end

.pop(context) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 29

def pop(context)
  contexts.pop while contexts.include?(context)
end

.push(new_attributes = {}) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 21

def push(new_attributes = {})
  new_context = current&.merge(new_attributes) || new(new_attributes)

  contexts.push(new_context)

  new_context
end

.with_context(attributes = {}) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 11

def with_context(attributes = {})
  context = push(attributes)

  begin
    yield(context)
  ensure
    pop(context)
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 73

def [](key)
  to_h[log_key(key)]
end

#correlation_id ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 77

def correlation_id
  data[CORRELATION_ID_KEY]
end

#get_attribute(attribute) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 81

def get_attribute(attribute)
  raw = call_or_value(data[log_key(attribute)])

  call_or_value(raw)
end

#merge(new_attributes) ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 62

def merge(new_attributes)
  new_context = self.class.new(data.dup)
  new_context.assign_attributes(new_attributes)

  new_context
end

#to_h ⇒ Object 



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# File 'lib/code0/zero_track/context.rb', line 69

def to_h
  expand_data
end