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|
module Model.TimerEdition
( TimerEdition
, Numbers
, newTimerEdition
, keyCodeToNumberChar
, toTime
, toMinutesAndSeconds
) where
import Time (Time)
import List
import Array
import String
import Keyboard (KeyCode)
import Model.Id (..)
import Utils.List (..)
import Utils.Maybe (..)
type alias TimerEdition =
{ id : Id
, numbers : Numbers
}
type alias Numbers = List Char
newTimerEdition id =
{ id = id
, numbers = []
}
keyCodeToNumberChar : KeyCode -> Maybe Char
keyCodeToNumberChar code =
List.map (flip keyCodeToCharFromZero code) zeroKeyCodes
|> List.foldl orElse Nothing
zeroKeyCodes = [48, 96]
keyCodeToCharFromZero : KeyCode -> KeyCode -> Maybe Char
keyCodeToCharFromZero zero code =
let nine = zero + 9
in if code >= zero && code <= nine
then ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
|> Array.fromList
|> Array.get (code - zero)
else Nothing
toTime : Numbers -> Time
toTime numbers =
numbers
|> toMinutesAndSeconds
|> \(a, b) -> (stringToInt a, stringToInt b)
|> \(minutes, seconds) -> (toFloat minutes) * 60 * 1000 + (toFloat seconds) * 1000
toMinutesAndSeconds : Numbers -> (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
|
