Class: TarsnapPruner::Scheduler

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

Instance Method Summary collapse

Constructor Details

#initialize(archives, daily_boundary = 182, weekly_boundary = 730) ⇒ Scheduler

Returns a new instance of Scheduler.



5
6
7
8
9
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 5

def initialize(archives, daily_boundary=182, weekly_boundary=730)
  @archives = archives
  @daily_boundary = daily_boundary
  @weekly_boundary = weekly_boundary
end

Instance Method Details

#archives_to_prune ⇒ Object 



47
48
49
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 47

def archives_to_prune
  unknowns + monthlies_to_prune + weeklies_to_prune
end

#dailies ⇒ Object 



19
20
21
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 19

def dailies
  knowns.select { |a| a.elapsed < @daily_boundary }
end

#knowns ⇒ Object 



11
12
13
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 11

def knowns
  @archives.select(&:date)
end

#monthlies ⇒ Object 



27
28
29
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 27

def monthlies
  knowns.select { |a| a.elapsed >= @weekly_boundary }
end

#monthlies_to_keep ⇒ Object 



39
40
41
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 39

def monthlies_to_keep
  monthlies.group_by { |a| a.date.month }.values.map(&:last)
end

#monthlies_to_prune ⇒ Object 



43
44
45
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 43

def monthlies_to_prune
  monthlies - monthlies_to_keep
end

#unknowns ⇒ Object 



15
16
17
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 15

def unknowns
  @archives.reject(&:date)
end

#weeklies ⇒ Object 



23
24
25
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 23

def weeklies
  knowns.select { |a| a.elapsed >= @daily_boundary && a.elapsed < @weekly_boundary }
end

#weeklies_to_keep ⇒ Object 



31
32
33
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 31

def weeklies_to_keep
  weeklies.group_by { |a| a.date.cweek }.values.map(&:last)
end

#weeklies_to_prune ⇒ Object 



35
36
37
 
# File 'lib/tarsnap_pruner/scheduler.rb', line 35

def weeklies_to_prune
  weeklies - weeklies_to_keep
end