Class: StationStatus

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

Overview

§todo: new Station will go in module Todo: put in sub file?

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, available_bikes, available_bike_stands) ⇒ StationStatus

Returns a new instance of StationStatus.



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# File 'lib/velibe/station_status.rb', line 9

def initialize (name, available_bikes, available_bike_stands)
  # Maybe: enhance with bike_stand, and last_update
  @name= name
  @available_bikes = available_bikes
  @available_bike_stands= available_bike_stands
  # TODO: creation Timestamp
end

Instance Attribute Details

#available_bike_stands ⇒ Object (readonly)

Returns the value of attribute available_bike_stands.



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# File 'lib/velibe/station_status.rb', line 7

def available_bike_stands
  @available_bike_stands
end

#available_bikes ⇒ Object (readonly)

Returns the value of attribute available_bikes.



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# File 'lib/velibe/station_status.rb', line 7

def available_bikes
  @available_bikes
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/velibe/station_status.rb', line 7

def name
  @name
end

Class Method Details

.from_hash(json) ⇒ Object 



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# File 'lib/velibe/station_status.rb', line 44

def self.from_hash(json)
  # TODO: sanity check of jzon
  name = json[:name].capitalize #RAISE EROR if neede
  available_bikes = json[:available_bikes]
  available_bike_stands = json[:available_bike_stands]
  # T
  self.new(name, available_bikes, available_bike_stands)
end

.print_from_json(json_string, prefix = '') ⇒ Object

MAYBE Might belong in formater?



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# File 'lib/velibe/station_status.rb', line 54

def self.print_from_json(json_string, prefix='')
  data = JSON.parse(json_string, symbolize_names: true)
  status = StationStatus.from_hash(data)
  puts "#{prefix}#{status}"
  status
end

.string_from_hash(json) ⇒ Object

TODO rename



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# File 'lib/velibe/station_status.rb', line 40

def self.string_from_hash(json)
  StationStatus.from_hash(json).to_s
end

Instance Method Details

#can_go? ⇒ Boolean

MAYBE REPLACE VALUE: 0 no, 1 un peu, 2 attention

Returns:

  • (Boolean) 


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# File 'lib/velibe/station_status.rb', line 31

def can_go?
  @available_bike_stands > 0 and not @available_bike_stands # test si nil quand pas de velo
end

#can_go_to?(station) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/velibe/station_status.rb', line 35

def can_go_to?(station)
  self.can_leave? and station.can_go?
end

#can_leave? ⇒ Boolean

FIXME: replace comment with doc TODO: maybe extract in Trajet: + method: velo dispo, stand dispo

Returns:

  • (Boolean) 


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# File 'lib/velibe/station_status.rb', line 27

def can_leave?
  @available_bikes > 0 and not @available_bikes.nil? # test si nil quand pas de velo
end

#to_csv(sep = ';') ⇒ Object 



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# File 'lib/velibe/station_status.rb', line 21

def to_csv(sep = ';')
  [@name, @available_bikes, @available_bike_stands].join(sep)
end

#to_s ⇒ Object 



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# File 'lib/velibe/station_status.rb', line 17

def to_s
  "Station #{@name}:  #{@available_bikes} Velo(s) libre(s) pour #{@available_bike_stands} places libres"
end