54 lines
1.6 KiB
Nu
54 lines
1.6 KiB
Nu
export def lumen-assono-backup-nexttape [dateinput: datetime]: nothing -> nothing {
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print 'Next Required Tape:'
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print $'($dateinput | get-backup-string)'
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print ''
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print 'Tapes after that:'
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1..9 | each {|i|
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print $'($i): (($dateinput + ((7 * $i) | into duration -u day)) | get-backup-string)'
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} | ignore
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}
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def get-backup-string []: datetime -> string {
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let backupDay = $in - ($in | format date '%w' | into duration -u day) + 6day
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let saturdayOfMonth = $backupDay | get-week-of-month
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let monthOfQuarter = $backupDay | get-month-of-quarter
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let quarter = $backupDay | get-quarter
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let year = $backupDay | get-year
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if ($saturdayOfMonth == 1) {
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if ($monthOfQuarter == 1) {
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if ($quarter == 1) {
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$'TapeLTO5-Y(($year | into string | str substring 3..))'
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} else {
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$'TapeLTO5-Q($quarter)'
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}
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} else {
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$'TapeLTO5-M($monthOfQuarter)'
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}
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} else {
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$'TapeLTO5-W($saturdayOfMonth)'
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}
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}
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def get-week-of-month []: datetime -> int {
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let firstDay = ($in - ($in | format date '%d' | into duration -u day) + 1day)
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let $firstSpecificDay = $firstDay + (((($in | format date '%w' | into int) + 7 - ($firstDay | format date '%w' | into int)) mod 7) | into duration -u day)
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((($in - $firstSpecificDay) | into int | into datetime | format date '%d' | into int) / 7 | math floor) + 1
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}
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def get-month-of-quarter []: datetime -> int {
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mut month = $in | format date '%m' | into int
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while ($month > 3) {
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$month -= 3
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}
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$month
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}
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def get-quarter []: datetime -> int {
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(($in | format date '%m') | into int) / 3 | math ceil
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}
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def get-year []: datetime -> int {
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$in | format date '%Y'
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}
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