Class: Whisper::AuthorTracker

Inherits:
Object
  • Object
show all
Includes:
Loggy
Defined in:
lib/whisper/author_tracker.rb

Instance Method Summary collapse

Constructor Details

#initialize(dir) ⇒ AuthorTracker

Returns a new instance of AuthorTracker.



8
9
10
11
 
# File 'lib/whisper/author_tracker.rb', line 8

def initialize dir
  @dir = dir
  @mutex = Mutex.new
end

Instance Method Details

#[](name) ⇒ Object 



13
14
15
16
17
18
19
20
21
22
 
# File 'lib/whisper/author_tracker.rb', line 13

def [] name
  @mutex.synchronize do
    fn = fn_for name
    begin
      YAML.load_file fn
    rescue SystemCallError => e
      {}
    end
  end
end

#[]=(name, info) ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/whisper/author_tracker.rb', line 24

def []= name, info
  unless info.empty?
    @mutex.synchronize do
      fn = fn_for name
      old_info = YAML.load_file(fn) rescue {}
      info = old_info.merge info
      debug "writing #{info.inspect} to #{fn}..."
      begin
        File.open(fn, "w") { |f| f.print info.to_yaml }
      rescue SystemCallError => e
        warn "can't write #{fn}: #{e.message}"
      end
    end
  end
  info
end