import Ġio . github . matrix kt . api . Get Room Events Ċ import Ġio . github . matrix kt . models . events . Sync Event Ċ import Ġio . github . matrix kt . models . sync .* Ċ import Ġio . github . matrix kt . utils . Matrix Json Ċ import Ġkotlinx . coroutines . run Blocking Ċ import Ġkotlinx . serialization . builtins . List Serializer Ċ import Ġkotlinx . serialization . json . jsonObject Ċ import Ġkotlinx . serialization . json . json Primitive Ċ import Ġme . dom in ae zz z . ch itch at . sdk . core . SQLite Sync Store Ċ import Ġme . dom in ae zz z . ch itch at . sdk . util . get Serializable Ċ import Ġme . dom in ae zz z . ch itch at . sdk . util . to Matrix Event Ċ import Ġorg . junit . Rule Ċ import Ġorg . junit . Test Ċ import Ġorg . junit . rules . Temporary Folder Ċ import Ġkotlin . test . assertEquals Ċ Ċ class ĠSQLite Sync Store Test Ġ{ Ċ ĉ @ get : Rule Ċ ĉ val Ġfolder Ġ= ĠTemporary Folder () ĊĊ ĉ @ Test Ċ ĉ fun Ġtest Back Pagination () Ġ{ Ċĉ ĉ val Ġroom Json Str Ġ= Ġjava Class . getResource (" room _ 1 . json ") !!. read Text () Ċĉ ĉ val Ġroom Json Ġ= ĠMatrix Json . parse ToJson Element ( room Json Str ). jsonObject Ċĉ ĉ val Ġroom Id Ġ= Ġroom Json [" room _ id "] !!. json Primitive . content Ċĉ ĉ val Ġevents Ġ= ĠMatrix Json . decode FromJson Element ( List Serializer ( Sync Event . serializer ()), Ġroom Json [" events "] !! ) ĊĊĉ ĉ val Ġsync Ġ= ĠSync Response ( Ċĉĉ ĉ next Batch Ġ= Ġ" DO ES N ' T ĠM ATTER ", Ċĉĉ ĉ rooms Ġ= ĠRoom s ( Ċĉĉĉ ĉ join Ġ= Ġmap Of ( roomId Ġto ĠJo ined Room ( Ċĉĉĉĉ ĉ summary Ġ= ĠRoom Summary (), Ċĉĉĉĉ ĉ state Ġ= ĠState ( events . drop Last ( 2 0 ). filter Ġ{ Ġit . state Key Ġ!= Ġnull Ġ}. associate By Ġ{ Ġit . type Ġto Ġit . state Key !! Ġ}. values . toList ()), Ċĉĉĉĉ ĉ timeline Ġ= ĠTimeline ( events . take Last ( 2 0 ), Ġlimited Ġ= Ġtrue , Ġprev Batch Ġ= Ġ" PREV ") Ċĉĉĉ ĉ )) Ċĉĉ ĉ ) Ċĉ ĉ ) Ċĉ ĉ val Ġmessages Ġ= ĠGet Room Events . Response ( Ċĉĉ ĉ start Ġ= Ġ" PREV ", Ċĉĉ ĉ chunk Ġ= Ġevents . drop Last ( 2 0 ). map Ġ{ Ġit . to Matrix Event ( roomId ) Ġ}. as Re versed () Ċĉ ĉ ) ĊĊĉ ĉ val Ġstore Ġ= ĠSQLite Sync Store ( folder . new File (). to Path ()) Ċĉ ĉ run Blocking Ġ{ Ċĉĉ ĉ store . store Sync ( sync , Ġnull ) Ċĉĉ ĉ store . store Timeline Events ( roomId , Ġmessages ) ĊĊĉĉ ĉ val Ġstored Events Ġ= Ġstore . getTime line Events ( roomId , Ġ 0 ) ĊĊĉĉ ĉ assertEquals ( events . size , Ġstored Events . size ) Ċĉĉ ĉ for Ġ(( event , Ġstored Event ) Ġin Ġevents . zip ( stored Events )) Ġ{ Ċĉĉĉ ĉ assertEquals ( event , Ġstored Event ) Ċĉĉ ĉ } Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ @ Test Ċ ĉ fun Ġtest Timeline St itch () Ġ{ Ċĉ ĉ val Ġroom Json Str Ġ= Ġjava Class . getResource (" room _ 1 . json "). read Text () Ċĉ ĉ val Ġroom Json Ġ= ĠMatrix Json . parse ToJson Element ( room Json Str ). jsonObject Ċĉ ĉ val Ġroom Id Ġ= Ġroom Json [" room _ id "] !!. json Primitive . content Ċĉ ĉ val Ġevents Ġ= ĠMatrix Json . decode FromJson Element ( List Serializer ( Sync Event . serializer ()), Ġroom Json [" events "] !! ) ĊĊĉ ĉ val Ġinitial Sync Ġ= ĠSync Response ( Ċĉĉ ĉ next Batch Ġ= Ġ" DO ES N ' T ĠM ATTER ", Ċĉĉ ĉ rooms Ġ= ĠRoom s ( Ċĉĉĉ ĉ join Ġ= Ġmap Of ( roomId Ġto ĠJo ined Room ( Ċĉĉĉĉ ĉ summary Ġ= ĠRoom Summary (), Ċĉĉĉĉ ĉ state Ġ= ĠState ( events . take ( 3 0 ). filter Ġ{ Ġit . state Key Ġ!= Ġnull Ġ}. associate By Ġ{ Ġit . type Ġto Ġit . state Key !! Ġ}. values . toList ()), Ċĉĉĉĉ ĉ timeline Ġ= ĠTimeline ( events . drop ( 3 0 ). take ( 3 0 ), Ġlimited Ġ= Ġtrue , Ġprev Batch Ġ= Ġ" PREV ") Ċĉĉĉ ĉ )) Ċĉĉ ĉ ) Ċĉ ĉ ) Ċĉ ĉ val Ġincremental Sync Ġ= ĠSync Response ( Ċĉĉ ĉ next Batch Ġ= Ġ" AN OTHER ĠB ATCH ", Ċĉĉ ĉ rooms Ġ= ĠRoom s ( Ċĉĉĉ ĉ join Ġ= Ġmap Of ( roomId Ġto ĠJo ined Room ( Ċĉĉĉĉ ĉ summary Ġ= ĠRoom Summary (), Ċĉĉĉĉ ĉ state Ġ= ĠState ( events . drop ( 6 0 ). drop Last ( 2 0 ). filter Ġ{ Ġit . state Key Ġ!= Ġnull Ġ}. associate By Ġ{ Ġit . type Ġto Ġit . state Key !! Ġ}. values . toList ()), Ċĉĉĉĉ ĉ timeline Ġ= ĠTimeline ( events . take Last ( 2 0 ), Ġlimited Ġ= Ġtrue , Ġprev Batch Ġ= Ġ" PREV 2 ") Ċĉĉĉ ĉ )) Ċĉĉ ĉ ) Ċĉ ĉ ) ĊĊĉ ĉ val Ġtimeline Gap Ġ= Ġevents . drop Last ( 2 0 ). drop ( 6 0 ). as Re versed () Ċĉ ĉ val Ġtimeline State Ġ= Ġtimeline Gap . filter Ġ{ Ġit . state Key Ġ!= Ġnull Ġ} Ċĉĉ ĉ . map Ġ{ Ġit . type Ġto Ġit . state Key !! Ġ}. toSet () Ċĉ ĉ val Ġmessages Ġ= ĠGet Room Events . Response ( Ċĉĉ ĉ start Ġ= Ġ" PREV 2 ", Ċĉĉ ĉ chunk Ġ= Ġtimeline Gap . map Ġ{ Ġit . to Matrix Event ( roomId ) Ġ}, Ċĉĉ ĉ state Ġ= Ġevents . take ( 6 0 ) Ċĉĉĉ ĉ . filter Ġ{ Ġit . state Key Ġ!= Ġnull Ġ} Ċĉĉĉ ĉ . associate By Ġ{ Ġit . type Ġto Ġit . state Key !! Ġ} Ċĉĉĉ ĉ . filter Keys Ġ{ Ġit Ġin Ġtimeline State Ġ} Ċĉĉĉ ĉ . values Ċĉĉĉ ĉ . map Ġ{ Ġit . to Matrix Event ( roomId ) Ġ} Ċĉ ĉ ) ĊĊĉ ĉ val Ġstore Ġ= ĠSQLite Sync Store ( folder . new File (). to Path ()) Ċĉ ĉ run Blocking Ġ{ Ċĉĉ ĉ store . store Sync ( initial Sync , Ġnull ) Ċĉĉ ĉ store . store Sync ( incremental Sync , Ġinitial Sync . next Batch ) ĊĊĉĉ ĉ store . store Timeline Events ( roomId , Ġmessages ) ĊĊĉĉ ĉ val Ġstored Events Ġ= Ġstore . getTime line Events ( roomId , Ġ 0 ) ĊĊĉĉ ĉ val Ġexpected Ġ= Ġevents . drop ( 6 0 ) Ċĉĉ ĉ assertEquals ( expected . size , Ġstored Events . size ) Ċĉĉ ĉ for Ġ(( event , Ġstored Event ) Ġin Ġexpected . zip ( stored Events )) Ġ{ Ċĉĉĉ ĉ assertEquals ( event , Ġstored Event ) Ċĉĉ ĉ } Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ @ Opt In ( Experimental Std lib Api :: class ) Ċ ĉ private Ġsuspend Ġfun ĠSQLite Sync Store . getTime line Events ( roomId : ĠString , Ġtimeline Id : ĠInt ): ĠList < Sync Event > Ġ{ Ċĉ ĉ return Ġread Ġ{ Ġconn Ġ-> Ċĉĉ ĉ val Ġquery Ġ= Ġ""" Ċĉĉĉ ĉ SELECT Ġjson ĠFROM Ġroom _ events Ċĉĉĉ ĉ WHERE Ġroom Id Ġ= Ġ? ĠAND Ġtimeline Id Ġ= Ġ? ĠAND Ġtimeline Order ĠIS ĠNOT ĠNULL Ċĉĉĉ ĉ ORDER ĠBY Ġtimeline Order ; Ċĉĉ ĉ """ Ċĉĉ ĉ conn . prepareStatement ( query ). use Ġ{ Ġstmt Ġ-> Ċĉĉĉ ĉ stmt . setString ( 1 , Ġroom Id ) Ċĉĉĉ ĉ stmt . setInt ( 2 , Ġtimeline Id ) Ċĉĉĉ ĉ stmt . executeQuery (). use Ġ{ Ġrs Ġ-> Ċĉĉĉĉ ĉ build List Ġ{ Ċĉĉĉĉĉ ĉ while Ġ( rs . next ()) Ġ{ Ċĉĉĉĉĉĉ ĉ add ( rs . get Serializable ( 1 , ĠSync Event . serializer ())) Ċĉĉĉĉĉ ĉ } Ċĉĉĉĉ ĉ } Ċĉĉĉ ĉ } Ċĉĉ ĉ } Ċĉ ĉ } Ċ ĉ } Ċ } Ċ