Class: Json_Normalizer

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

Instance Method Summary collapse

Constructor Details

#initialize(map) ⇒ Json_Normalizer

Init requires pre defined JSON map. Ex. { “this_key”: [“morphed”, “to”, “this_key”] }



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# File 'lib/json_normalizer.rb', line 8

def initialize(map)
  @map = JSON.parse(map)
  @result = {}
end

Instance Method Details

#fetch_key(key) ⇒ Object 



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# File 'lib/json_normalizer.rb', line 18

def fetch_key(key)
  @map.keys.each{ |k| return k if @map[k].include?(key) }
end

#key_contained?(key) ⇒ Boolean 



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# File 'lib/json_normalizer.rb', line 13

def key_contained?(key)
  @map.keys.each{ |k| return true if @map[k].include?(key.to_s) }
  return false
end

#swap_key(json, key) ⇒ Object 



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# File 'lib/json_normalizer.rb', line 22

def swap_key(json, key)
  if self.key_contained?(key)
    json[self.fetch_key(key).first] = json[key]
    json.delete(key)
  else
    # if we want to move out non-normalized keys into a different 'misc' key or something
  end
end

#translate(json) ⇒ Object 



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# File 'lib/json_normalizer.rb', line 31

def translate(json)
  json = JSON.parse(json) if !json.is_a?(Hash)
  json.keys.each do |key|
    if json[key].respond_to?(:each)
      puts "Key: #{key} recursing..."
      self.translate(json[key])
      self.swap_key(json, key)
    else
      self.swap_key(json, key)
    end
  end

  # json.map{ |k, v| [k.to_s, v] }.to_h
  JSON.parse json.to_json
end