Browse Source

initial commit

master
Yann Esposito 6 years ago
commit
c8d6c65f3c
  1. 9
      .gitignore
  2. 30
      LICENSE
  3. 2
      Setup.hs
  4. 32
      human-readable-duration.cabal
  5. 80
      src/Data/Duration.hs
  6. 5
      stack.yaml
  7. 2
      test/Spec.hs

9
.gitignore

@ -0,0 +1,9 @@
.cabal-sandbox
cabal.sandbox.config
dist
*.log
*.swp
*~
.ghci
.stack-work
container/.DS_Store

30
LICENSE

@ -0,0 +1,30 @@
Copyright Example Yann Esposito (c) 2015
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Yann Esposito nor the names of other
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

2
Setup.hs

@ -0,0 +1,2 @@
import Distribution.Simple
main = defaultMain

32
human-readable-duration.cabal

@ -0,0 +1,32 @@
name: human-readable-duration
version: 0.1.0.0
synopsis: Provide duration helper
description: Please see README.md
homepage: http://github.com/yogsototh/human-readable-duration#readme
license: BSD3
license-file: LICENSE
author: Yann Esposito
maintainer: yann.esposito@gmail.com
category: Time
build-type: Simple
-- extra-source-files:
cabal-version: >=1.10
library
hs-source-dirs: src
exposed-modules: Data.Duration
build-depends: base >= 4.7 && < 5
default-language: Haskell2010
-- test-suite human-readable-duration-test
-- type: exitcode-stdio-1.0
-- hs-source-dirs: test
-- main-is: Spec.hs
-- build-depends: base
-- , human-readable-duration
-- ghc-options: -threaded -rtsopts -with-rtsopts=-N
-- default-language: Haskell2010
source-repository head
type: git
location: https://github.com/yogstoth/human-readable-duration

80
src/Data/Duration.hs

@ -0,0 +1,80 @@
module Data.Duration
( humanReadableDuration
-- durations
, oneSecond
, minute
, hour
, day
, year
-- Retrieve
, getMs
, getSeconds
, getMinutes
, getHours
, getDays
, getYears
) where
-- | `humanReadableDuration` take some time in micro-seconds and render a human readable duration.
-- Typically:
-- humanReadableDuration (10^6 * 60) --> 1 min
-- This isn't made to be fast. It uses String.
humanReadableDuration :: Int -> String
humanReadableDuration n
| n < oneSecond = let ms = getMs n in if ms > 0 then show ms ++ "ms" else ""
| n < minute = let s = getSeconds n in if s > 0 then show s ++ "s " ++ humanReadableDuration (n `rem` oneSecond) else ""
| n < hour = let m = getMinutes n in if m > 0 then show m ++ " min " ++ humanReadableDuration (n `rem` minute) else ""
| n < day = let h = getHours n in if h > 0 then show h ++ " hours " ++ humanReadableDuration (n `rem` hour) else ""
| n < year = let d = getDays n in if d > 0 then show d ++ " days " ++ humanReadableDuration (n `rem` day) else ""
| otherwise = let y = getYears n in if y > 0 then show y ++ " years " ++ humanReadableDuration (n `rem` year) else ""
--------------------------------------------------------------------------------
-- Durations
--------------------------------------------------------------------------------
-- | number of micro seconds in one second
oneSecond :: Int
oneSecond = 10^(6 :: Integer)
-- | number of micro seconds in one minute
minute :: Int
minute = 60 * oneSecond
-- | number of micro seconds in one hour
hour :: Int
hour = 60 * minute
-- | number of micro seconds in one day
day :: Int
day = 24 * hour
-- | number of micro seconds in one year
year :: Int
year = 365 * day
--------------------------------------------------------------------------------
-- Retrieve some durations
--------------------------------------------------------------------------------
-- | number of milli seconds given a duration in micro seconds
getMs :: Int -> Int
getMs n = (n `rem` oneSecond) `div` 1000
-- | number of seconds given a duration in micro seconds
getSeconds :: Int -> Int
getSeconds n = (n `rem` minute) `div` oneSecond
-- | number of minutes given a duration in micro seconds
getMinutes :: Int -> Int
getMinutes n = (n `rem` hour) `div` minute
-- | number of hours given a duration in micro seconds
getHours :: Int -> Int
getHours n = n `div` hour
-- | number of days given a duration in micro seconds
getDays :: Int -> Int
getDays n = n `div` day
-- | number of years given a duration in micro seconds
getYears :: Int -> Int
getYears n = n `div` year

5
stack.yaml

@ -0,0 +1,5 @@
flags: {}
packages:
- '.'
extra-deps: []
resolver: lts-2.22

2
test/Spec.hs

@ -0,0 +1,2 @@
main :: IO ()
main = putStrLn "Test suite not yet implemented"
Loading…
Cancel
Save