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module Model.Edition.TimeEdition
( keyCodeToChar
, toTime
, toMinutesAndSeconds
) where
import Time (Time)
import List
import Array
import String
import Keyboard (KeyCode)
import Char
import Utils.List (..)
import Utils.Maybe (..)
keyCodeToChar : KeyCode -> Maybe Char
keyCodeToChar code =
let char = Char.fromCode code
in if Char.isDigit char
then Just char
else Nothing
toTime : List Char -> Time
toTime numbers =
numbers
|> toMinutesAndSeconds
|> \(a, b) -> (stringToInt a, stringToInt b)
|> \(minutes, seconds) -> (toFloat minutes) * 60 * 1000 + (toFloat seconds) * 1000
toMinutesAndSeconds : List Char -> (String, String)
toMinutesAndSeconds numbers =
numbers
|> List.take 4
|> List.reverse
|> completeBegin '0' 4
|> splitAt 2
|> \(a, b) -> (String.fromList a, String.fromList b)
completeBegin : a -> Int -> List a -> List a
completeBegin x count xs =
let length = List.length xs
in List.append (repeat (count - length) x) xs
stringToInt : String -> Int
stringToInt str =
str
|> String.toInt
|> \res ->
case res of
Ok n -> n
Err _ -> 0
|
