Class: Formatters::PollingFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/tramtracker/formatters/polling_formatter.rb

Constant Summary collapse

KILL_LINE_CHAR = 
"\x1B[K"
CURSOR_UP_CHAR = 
"\x1B[A"

Instance Method Summary collapse

Constructor Details

#initialize(tramtracker) ⇒ PollingFormatter

Returns a new instance of PollingFormatter.



7
8
9
10
11
 
# File 'lib/tramtracker/formatters/polling_formatter.rb', line 7

def initialize(tramtracker)
  @tramtracker = tramtracker
  @delay_interval = 15
  @max_iterations = 60
end

Instance Method Details

#report ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/tramtracker/formatters/polling_formatter.rb', line 13

def report
  puts Time.now.strftime "[%H:%M:%S] Stop #{@tramtracker.stop_id}"
  puts "Retrieving tram information..."
  last_results_count = 0
  @max_iterations.times do |iteration|
    results = @tramtracker.get
    clear(last_results_count + 2)
    last_results_count = results.count
    puts Time.now.strftime "[%H:%M:%S] Stop #{@tramtracker.stop_id}"
    results.each do |tram|
      printf "Route %3s arriving in %2s minutes\n",
        tram[:route],
        tram[:minutes]
    end
    delay @delay_interval
  end
end