package Ġch ill . me . kot lint odo . database Ċ Ċ import Ġch ill . me . kot lint odo . models . Note Ċ import Ġcom . google . firebase . database . Data Snapshot Ċ import Ġcom . google . firebase . database . Database Error Ċ import Ġcom . google . firebase . database . Firebase Database Ċ import Ġcom . google . firebase . database . Value EventListener Ċ Ċ fun Ġadd Note To Database ( note : ĠNote ) Ġ{ Ċ ĉ val Ġnote Node Ġ= ĠFirebase Database Ċĉ ĉ . getInstance () Ċĉ ĉ . reference Ċĉ ĉ . child (" notes ") Ċĉ ĉ . push () Ċ ĉ note . note Id Ġ= Ġnote Node . key Ċ ĉ note Node . setValue ( note ) Ċ } Ċ Ċ fun Ġedit Note In Database ( note : ĠNote ) Ġ= Ċ ĉ Firebase Database . getInstance () Ċĉ ĉ . reference Ċĉ ĉ . child (" notes ") Ċĉ ĉ . update Children ( map Of ( note . note Id !! Ġto Ġnote )) ĊĊ Ċ fun Ġget Notes ( onComplete : Ġ( List < Note >) Ġ-> ĠUnit ) Ġ= Ċ ĉ Firebase Database . getInstance (). reference . child (" notes ") Ċĉ ĉ . addListener For Single Value Event ( object Ġ: ĠValue EventListener Ġ{ Ċĉĉ ĉ override Ġfun Ġon Cancelled ( ds : ĠDatabase Error ) Ġ= ĠUnit ĊĊĉĉ ĉ override Ġfun Ġon Data Change ( ds : ĠData Snapshot ) Ġ= Ċĉĉĉ ĉ onComplete ( ds . children . map NotNull Ġ{ Ġit . getValue ( Note :: class . java ) Ġ}) Ċĉ ĉ })