Class: Location

Inherits:
Struct
  • Object
show all
Includes:
ActiveModel::Validations
Defined in:
lib/location.rb

Constant Summary collapse

KEY_ORDER =

For mapping the JSON camelcase data from the location service into the Location structs:

[:id, :sasId, :name, :code, :kind, :lat, :lng, :timezone, :parentLocationId, :updatedAt, :createdAt, :childLocations, :beacons].map(&:to_s).freeze
CACHE_KEY = 
'location_service_request_cache'.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#beacons ⇒ Object

Returns the value of attribute beacons

Returns:

  • (Object) —

    the current value of beacons



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

def beacons
  @beacons
end

#child_locations ⇒ Object

Returns the value of attribute child_locations

Returns:

  • (Object) —

    the current value of child_locations



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

def child_locations
  @child_locations
end

#code ⇒ Object

Returns the value of attribute code

Returns:

  • (Object) —

    the current value of code



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

def code
  @code
end

#created_at ⇒ Object

Returns the value of attribute created_at

Returns:

  • (Object) —

    the current value of created_at



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

def created_at
  @created_at
end

#id ⇒ Object

Returns the value of attribute id

Returns:

  • (Object) —

    the current value of id



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

def id
  @id
end

#kind ⇒ Object

Returns the value of attribute kind

Returns:

  • (Object) —

    the current value of kind



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

def kind
  @kind
end

#lat ⇒ Object

Returns the value of attribute lat

Returns:

  • (Object) —

    the current value of lat



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

def lat
  @lat
end

#lng ⇒ Object

Returns the value of attribute lng

Returns:

  • (Object) —

    the current value of lng



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

def lng
  @lng
end

#name ⇒ Object

Returns the value of attribute name

Returns:

  • (Object) —

    the current value of name



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

def name
  @name
end

#parent_location_id ⇒ Object

Returns the value of attribute parent_location_id

Returns:

  • (Object) —

    the current value of parent_location_id



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

def parent_location_id
  @parent_location_id
end

#sas_id ⇒ Object

Returns the value of attribute sas_id

Returns:

  • (Object) —

    the current value of sas_id



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

def sas_id
  @sas_id
end

#timezone ⇒ Object

Returns the value of attribute timezone

Returns:

  • (Object) —

    the current value of timezone



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

def timezone
  @timezone
end

#updated_at ⇒ Object

Returns the value of attribute updated_at

Returns:

  • (Object) —

    the current value of updated_at



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

def updated_at
  @updated_at
end

Class Method Details

.all ⇒ Object 



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# File 'lib/location.rb', line 54

def all
  @locations ||= transform_data(request('/locations')).try(:compact) || []
end

.cache ⇒ Object 



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# File 'lib/location.rb', line 91

def cache
  defined?(Rails) ? Rails.cache : ActiveSupport::Cache::FileStore.new
end

.children ⇒ Object 



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# File 'lib/location.rb', line 46

def children
  all.map{|l| l.child_locations }.compact
end

.find(id) ⇒ Object 



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# File 'lib/location.rb', line 24

def find(id)
  flattened.detect{|l| l.id == id }
end

.find_by_code(code) ⇒ Object 



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# File 'lib/location.rb', line 28

def find_by_code(code)
  flattened.detect{|l| l.code == code }
end

.find_by_codes(codes, child_locations = nil) ⇒ Object 



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# File 'lib/location.rb', line 38

def find_by_codes(codes, child_locations=nil)
  child_locations ||= all
  codes             = [codes].flatten
  code              = codes.shift
  leaf              = child_locations.detect{|l| l.code == code }
  codes.empty? ? leaf : find_by_codes(codes, leaf.child_locations) 
end

.find_by_parent_code_and_child_name(parent_code, child_name) ⇒ Object Also known as: find_by_airport_and_gate 



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# File 'lib/location.rb', line 32

def find_by_parent_code_and_child_name(parent_code, child_name)
  airport = all.detect {|l| l.code == parent_code}
  airport.try(:child_locations) && airport.child_locations.detect {|l| l.name == child_name }
end

.flattened ⇒ Object 



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# File 'lib/location.rb', line 50

def flattened
  (all + children).flatten
end

.logger ⇒ Object 



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# File 'lib/location.rb', line 95

def logger
  defined?(Rails) ? Rails.logger : Logger.new(STDOUT)
end

.request(endpoint) ⇒ Object 



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# File 'lib/location.rb', line 58

def request(endpoint)
  user_token = Thread.current[:current_user].try(:authentication_token)
  url = Settings.location_service.url + "v1/" + endpoint + "?api_key=#{user_token||Settings.location_service.token}"
  cache.fetch(CACHE_KEY) do
    logger.debug url
    JSON.parse(RestClient.get(url))
  end
end

.reset ⇒ Object 



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# File 'lib/location.rb', line 67

def reset
  Rails.cache.delete(CACHE_KEY)
  @locations = nil
end

.time ⇒ Object 



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# File 'lib/location.rb', line 88

def time
  Time.zone || Time
end

.transform_data(data) ⇒ Object 



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# File 'lib/location.rb', line 72

def transform_data(data)
  if data.kind_of? Array
    data.map { |v| transform_data(v) }

  elsif data.kind_of? Hash
    #HashWithIndifferentAccess[data.map {|k, v| [k.to_s.underscore, transform_data(v)] }]
    l = Location.new(*data.values_at(*KEY_ORDER))
    l.created_at = data['createdAt'] && time.at( data['createdAt']/1000 ) 
    l.updated_at = data['updatedAt'] && time.at( data['updatedAt']/1000 ) 
    l.child_locations = transform_data( data['childLocations'] ) || []
    l
  else
    data
  end
end

Instance Method Details

#ruby_timezone ⇒ Object 



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# File 'lib/location.rb', line 11

def ruby_timezone
  begin 
    TZInfo::Timezone.get(timezone) if timezone && !timezone.empty?
  rescue TZInfo::InvalidTimezoneIdentifier 
    raise TZInfo::InvalidTimezoneIdentifier.new("'#{timezone}' is an invalid identifier")
  end
end