Class: Monerorequest::Cron

Inherits:
Object
  • Object
show all
Defined in:
lib/monerorequest/cron.rb

Overview

Parses and validates cron syntax string.

Constant Summary collapse

MONTH_CODES = 
%w[jan feb mar apr may jun jul aug sep oct nov dec].freeze
DOW_CODES = 
%w[mon tue wed thu fri sat sun].freeze
DELIMITERS = 
%r{,|-|/}.freeze

Class Method Summary collapse

Class Method Details

.parse(schedule) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/monerorequest/cron.rb', line 38

def self.parse(schedule)
  schedule_parts = schedule.split
  return false if schedule_parts.length != 5

  {
    "minutes" => schedule_parts[0].split(DELIMITERS),
    "hours" => schedule_parts[1].split(DELIMITERS),
    "days" => schedule_parts[2].split(DELIMITERS),
    "months" => schedule_parts[3].split(DELIMITERS),
    "dow" => schedule_parts[4].split(DELIMITERS)
  }
end

.valid?(schedule) ⇒ Boolean

Returns:

  • (Boolean) 


9
10
11
12
13
14
15
16
 
# File 'lib/monerorequest/cron.rb', line 9

def self.valid?(schedule)
  parsed_schedule = parse(schedule)
  return false unless parsed_schedule

  valid_minutes?(parsed_schedule["minutes"]) && valid_hours?(parsed_schedule["hours"]) &&
    valid_days?(parsed_schedule["days"]) && valid_months?(parsed_schedule["months"]) &&
    valid_dow?(parsed_schedule["dow"])
end

.valid_days?(days) ⇒ Boolean

Returns:

  • (Boolean) 


26
27
28
 
# File 'lib/monerorequest/cron.rb', line 26

def self.valid_days?(days)
  days.all? { |dy| (1..31).member?(dy.to_i) } || days == ["*"]
end

.valid_dow?(dow) ⇒ Boolean

Returns:

  • (Boolean) 


34
35
36
 
# File 'lib/monerorequest/cron.rb', line 34

def self.valid_dow?(dow)
  dow.all? { |d| DOW_CODES.include?(d.downcase) } || dow == ["*"]
end

.valid_hours?(hours) ⇒ Boolean

Returns:

  • (Boolean) 


22
23
24
 
# File 'lib/monerorequest/cron.rb', line 22

def self.valid_hours?(hours)
  hours.all? { |hr| ("0".."23").member?(hr) } || hours == ["*"]
end

.valid_minutes?(minutes) ⇒ Boolean

Returns:

  • (Boolean) 


18
19
20
 
# File 'lib/monerorequest/cron.rb', line 18

def self.valid_minutes?(minutes)
  minutes.all? { |min| ("0".."59").member?(min) } || minutes == ["*"]
end

.valid_months?(months) ⇒ Boolean

Returns:

  • (Boolean) 


30
31
32
 
# File 'lib/monerorequest/cron.rb', line 30

def self.valid_months?(months)
  months.all? { |mth| (1..12).member?(mth.to_i) || MONTH_CODES.include?(mth.downcase) } || months == ["*"]
end