feat: allow setting tls on nixos

refactor: using cool NixOS option for nginx
nix: fixing the module
2023-10-09 03:22:58 +00:00 · 2023-10-09 03:16:33 +00:00 · 2023-08-06 17:17:06 +00:00 · 2023-08-06 14:02:04 +00:00 · 2023-08-05 15:21:28 +00:00 · 2023-05-07 19:53:31 +04:00
23 changed files with 1792 additions and 377 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,4 @@ target
 .metals
 project/project
 project/metals.sbt
+/result
--- a/674
+++ b/674
@@ -0,0 +1,674 @@
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+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
--- a/Readme.org
+++ b/Readme.org
@@ -0,0 +1,81 @@
+#+title: Readme
+* Licence:
+This program is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 3 of the License, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <https://www.gnu.org/licenses/>.
+* Running dev
+need 3 teminals
+** start backend
+in sbt
+#+begin_src sbt
+backend/run
+#+end_src
+** continuous ScalaJS compilation
+in sbt
+#+begin_src sbt
+project frontend
+~fastLinkJS
+#+end_src
+** start Vite
+#+begin_src bash
+npm run dev
+#+end_src
+
+- starting to serve frontend at localhost:5173
+- started forwarding /api requests to localhost:8080 - backend
+* Prod deployment (alpha version)
+** Nix managed server:
+*** build and copy backend
+#+begin_src bash
+sbt backend/assembly
+scp -r backend/target/scala-3.2.0/backend-assembly-0.1.1.jar  <your-server>:~/Downloads/backend-assembly-0.1.1.jar
+#+end_src
+
+*** build and copy frontend
+#+begin_src bash
+npm run build
+scp -r dist/*  <your-server>:/var/www/planning-poker-grargh
+#+end_src
+*** start backend
+#+begin_src bash
+nix shell --extra-experimental-features nix-command --extra-experimental-features flakes nixpkgs#jdk
+java -jar ~/Downloads/backend-assembly-0.1.1.jar &
+#+end_src
+**** to kill / restart
+#+begin_src bash
+ps aux | grep backend-assembly
+kill <id of found backend java process>
+#+end_src
+**** TODO make nix home-manager module with systemd service
+*** configure nginx
+#+begin_src nix
+services.nginx.virtualHosts."planning-poker.sunshine.industries" = {
+    root = "/var/www/planning-poker-grargh"; # copied manually
+};
+
+services.nginx.virtualHosts."planning-poker.sunshine.industries".locations."/api" = {
+  proxyPass = "http://127.0.0.1:8080"; # started manually
+  proxyRedirect = "off";
+  extraConfig = ''
+    rewrite ^/api/(.*)$ /$1 break;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+
+    # Add the following lines for WebSocket support
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "upgrade";
+  '';
+};
+#+end_src
--- a/backend/src/main/scala/industries/sunshine/planningpoker/Auth.scala
+++ b/backend/src/main/scala/industries/sunshine/planningpoker/Auth.scala
@@ -25,91 +25,63 @@ trait Auth[F[_]] {
    * check that room exists, password is valid call to add user to the players create session
    * mapping and return cookie
    */
-  def joinRoom(
-      roomName: String,
-      roomPassword: String,
-      nickName: String,
-      nickPassword: String
-  ): F[Either[String, ResponseCookie]]
+  def joinRoom(roomId: RoomID, playerId: PlayerID): F[ResponseCookie]

-  def deleteSession(
-      sessionId: Long
-  ): F[Unit]
+  def deleteSession(sessionId: Long): F[ResponseCookie]

 }

 object Auth {
-  def pureBadStub = new Auth[IO] {
-    override def authUser =
-      Kleisli((req: Request[IO]) =>
-        OptionT.liftF(
-          IO(println(s"authUser: $req")) >> IO(
-            PlayerID(14) -> RoomID("testroom")
-          )
-        )
-      )
-    override def joinRoom(
-        roomName: String,
-        roomPassword: String,
-        nickName: String,
-        nickPassword: String
-    ) =
-      IO(
-        println(
-          s"> access room for $roomName $roomPassword $nickName, to return stub 111"
-        )
-      ) >> IO.pure(Right(ResponseCookie("authcookie", "1")))
-
-    override def deleteSession(sessionId: Long): IO[Unit] =
-      IO(s"got request to leave for $sessionId")
-  }
-
  type SessionsMap = Map[Long, (RoomID, PlayerID)]

-  class SimpleAuth[F[_]: Sync](
-      sessions: Ref[F, SessionsMap],
-      roomService: RoomService[F]
-  ) extends Auth[F] {
+  // TODO make "remove session usable from authed route"
+  val authcookieName = "authcookie"

-    val authcookie = "authcookie"
+  class SimpleAuth[F[_]: Sync](sessions: Ref[F, SessionsMap]) extends Auth[F] {

-    override def joinRoom(
-        roomName: String,
-        roomPassword: String,
-        nickName: String,
-        nickPassword: String
-    ): F[Either[String, ResponseCookie]] = {
+    override def joinRoom(roomId: RoomID, playerId: PlayerID): F[ResponseCookie] = {
      // TODO check for existing session for same room
      // and do i want to logout if existing session for another room? ugh
-      val roomId = RoomID(roomName)
-      val result = for {
-        playerId <- EitherT(
-          roomService.joinRoom(roomId, nickName, nickPassword, roomPassword)
+      val newSessionId = Random.nextLong()
+      sessions
+        .update(_.updated(newSessionId, (roomId, playerId)))
+        .as(
+          ResponseCookie(
+            name = authcookieName,
+            content = newSessionId.toString(),
+            secure = false
+          )
        )
-          .leftMap(_.toString())
-        newSessionId = Random.nextLong()
-        _ <- EitherT.liftF(sessions.update(_.updated(newSessionId, (roomId, playerId))))
-      } yield ResponseCookie(name = authcookie, content = newSessionId.toString(), secure = true)
-
-      result.value
    }

    override def authUser
        : Kleisli[[A] =>> cats.data.OptionT[F, A], Request[F], (PlayerID, RoomID)] = {
-      // check authcookie presence, exchange it for playerID ad roomID
-      ???
+      Kleisli { (request: Request[F]) =>
+        OptionT(sessions.get.map { sessionsMap =>
+          for {
+            authcookie <- request.cookies.find(_.name == authcookieName)
+            sessionId <- authcookie.content.toLongOption
+            (roomId, playerId) <- sessionsMap.get(sessionId)
+          } yield (playerId, roomId)
+        })
+      }
    }

-    override def deleteSession(sessionId: Long): F[Unit] = {
-      // i suppose leaving the room should just be authed route & method
-      ???
+    override def deleteSession(sessionId: Long): F[ResponseCookie] = {
+      sessions
+        .update(_.removed(sessionId))
+        .as(
+          ResponseCookie(
+            name = authcookieName,
+            content = "",
+            secure = false // TODO make true after enabling https
+          ).clearCookie
+        )
    }
  }

-  def make[F[_]: Sync](roomsService: RoomService[F]): F[Auth[F]] =
+  def make[F[_]: Sync](): F[Auth[F]] =
    for {
-      sessionsMap <- Ref.of[F, SessionsMap](
-        Map(1L -> (RoomID("testroom"), PlayerID(1L)))
-      )
-    } yield new SimpleAuth(sessionsMap, roomsService)
+      sessionsMap <- Ref.of[F, SessionsMap](Map.empty)
+    } yield new SimpleAuth(sessionsMap)
 }
--- a/backend/src/main/scala/industries/sunshine/planningpoker/BackendApp.scala
+++ b/backend/src/main/scala/industries/sunshine/planningpoker/BackendApp.scala
@@ -14,7 +14,8 @@ object BackendApp extends IOApp {

    val wiring = for {
      roomService <- Resource.eval(RoomService.make[IO])
-      httpService = MyHttpService.create(Auth.pureBadStub)
+      auth <- Resource.eval(Auth.make[IO]())
+      httpService = MyHttpService.create(auth, roomService)
      server <- EmberServerBuilder
        .default[IO]
        .withHost(host)
@@ -24,9 +25,7 @@ object BackendApp extends IOApp {
    } yield server

    wiring.use(server =>
-      IO.delay(println(s"Server Has Started at ${server.address}")) >> IO.never
-        .as(ExitCode.Success)
-    )
+      IO.delay(println(s"Server Has Started at ${server.address}")) >> IO.never.as(ExitCode.Success))

  }
 }
--- a/backend/src/main/scala/industries/sunshine/planningpoker/MyHttpService.scala
+++ b/backend/src/main/scala/industries/sunshine/planningpoker/MyHttpService.scala
@@ -4,7 +4,6 @@ import cats.effect._
 import cats.syntax.all._
 import org.http4s._, org.http4s.dsl.io._, org.http4s.implicits._
 import org.http4s.websocket.WebSocketFrame
-// import io.circe.generic.auto._
 import io.circe.syntax._
 import org.http4s.circe.CirceEntityDecoder._
 import scala.concurrent.duration._
@@ -16,61 +15,89 @@ import org.http4s.server.AuthMiddleware.apply
 import org.http4s.server.AuthMiddleware

 object MyHttpService {
-  def create(auth: Auth[IO])(
-      wsb: WebSocketBuilder[cats.effect.IO]
+  def create(auth: Auth[IO], roomService: RoomService[IO])(
+      wsb: WebSocketBuilder[IO]
  ): HttpApp[cats.effect.IO] = {

    val authedRoomRoutes: AuthedRoutes[(PlayerID, RoomID), IO] =
      AuthedRoutes.of {
        case GET -> Root / "subscribe" as (playerId, roomId) => {
+          val initial = Stream.evals(roomService.getRoom(roomId))
+          val subscription = roomService.subscribe(roomId)
+
          val send: Stream[IO, WebSocketFrame] =
-            Stream
-              .emits(TestModels.testChangesList)
-              .covary[IO]
-              .metered(1.second)
-              .map(state => WebSocketFrame.Text(state.asJson.noSpaces))
+            (initial ++ subscription)
+              .evalTap(state => IO(println(s">> sending room state $state to $playerId")))
+              .map(state => WebSocketFrame.Text(state.getViewFor(playerId).asJson.noSpaces))

          val receive: Pipe[IO, WebSocketFrame, Unit] = _.evalMap {
            case WebSocketFrame.Text(text, _) => Sync[IO].delay(println(text))
            case other                        => Sync[IO].delay(println(other))
          }
-          wsb.build(send, receive)
+          IO(println(s"got ws request from $playerId in $roomId")) >>
+            wsb.build(send, receive)
        }
        case GET -> Root / "vote" / vote as (playerId, roomId) => {
-          // TODO forward these to the service implementation
-          IO(println(s">> got $vote from $playerId in $roomId")) >> Ok()
+          IO(println(s">> got $vote from $playerId in $roomId")) >>
+            roomService.acceptVote(roomId, playerId, vote) >> Ok()
        }
        case GET -> Root / "end-voting" as (playerId, roomId) => {
-          IO(println(s">> got request to end voting from $playerId in $roomId")) >> Ok()
+          IO(println(s">> got request to end voting from $playerId in $roomId")) >>
+            roomService.endVoting(roomId, playerId) >> Ok()
        }
        case GET -> Root / "new-poll" as (playerId, roomId) => {
-          IO(println(s">> got request to start new voting from $playerId in $roomId")) >> Ok()
+          IO(println(s">> got request to start new voting from $playerId in $roomId")) >>
+            roomService.startNewPoll(roomId, playerId) >> Ok()
+        }
+        case GET -> Root / "logout" as (playerId, roomId) => {
+          for {
+            _ <- IO(println(s">> got request to logout from $playerId in $roomId"))
+            _ <- roomService.leaveRoom(roomId, playerId)
+            cookie = ResponseCookie(name = Auth.authcookieName, content = "").clearCookie
+          } yield (Response(Status.Ok).addCookie(cookie))
        }
      }

    val authMiddleware = AuthMiddleware(auth.authUser)
    val aa = authMiddleware(authedRoomRoutes)

+    import cats.data.EitherT
    val authenticationRoute = HttpRoutes
      .of[IO] {
        case req @ POST -> Root / "login" => {
-          for {
-            data <- req.as[Requests.LogIn]
-            authResult <- auth.joinRoom(
-              data.roomName,
-              data.password,
-              data.nickname,
-              data.nickPassword)
-            resp <- authResult match {
-              case Left(error) =>
-                Forbidden(error)
-              case Right(authCookie) => {
-                IO(println(s"> logging in ${data.nickname} to ${data.roomName}")) >>
-                  Ok().map(_.addCookie(authCookie))
-              }
-            }
+          val responseOrError = for {
+            data <- EitherT.right(req.as[Requests.LogIn])
+            Requests.LogIn(roomName, nickName, roomPassword, nickPassword) = data
+            roomId = RoomID(roomName)
+            playerId <- EitherT(roomService.joinRoom(roomId, nickName, nickPassword, roomPassword))
+            authCookie <- EitherT.liftF(auth.joinRoom(roomId, playerId))
+            _ <- EitherT.liftF(IO(println(s"> logging in $nickName to $roomName")))
+            resp = Response(Status.Ok).addCookie(authCookie)
          } yield resp
+
+          val response = responseOrError.leftSemiflatMap(error => Forbidden(error.toString())).merge
+
+          response
        }
+        case req @ POST -> Root / "create-room" => {
+          val responseOrError = for {
+            data <- EitherT.right(req.as[Requests.LogIn])
+            Requests.LogIn(roomName, nickName, roomPassword, nickPassword) = data
+            room <- EitherT(roomService.createRoom(roomName, nickName, nickPassword, roomPassword))
+            owner = room.players.head // TODO add check
+            authCookie <- EitherT.liftF(auth.joinRoom(room.id, owner.id))
+            _ <- EitherT.liftF(
+              IO(println(s"> logging in $nickName to new room $room | $authCookie"))
+            )
+            resp = Response(Status.Ok).addCookie(authCookie)
+            _ <- EitherT.liftF(IO(println(s"> about to reply $resp ${resp.cookies}")))
+          } yield resp
+
+          val response = responseOrError.leftSemiflatMap(error => Forbidden(error.toString())).merge
+
+          response
+        }
+
      }

    (authenticationRoute <+> authMiddleware(authedRoomRoutes)).orNotFound
--- a/backend/src/main/scala/industries/sunshine/planningpoker/RoomService.scala
+++ b/backend/src/main/scala/industries/sunshine/planningpoker/RoomService.scala
@@ -1,8 +1,10 @@
 package industries.sunshine.planningpoker

 import industries.sunshine.planningpoker.common.Models.*
-import cats.effect.{Ref, Sync}
+import cats.effect.{Ref, Concurrent}
 import cats.syntax.all._
+import fs2.Stream
+import fs2.concurrent.Topic
 import cats.data.EitherT

 enum RoomError {
@@ -13,53 +15,155 @@ enum RoomError {
 }

 trait RoomService[F[_]] {
-  def createRoom(newRoom: Room): F[Either[RoomError, Room]]
-  def updateRoom(room: Room): F[Unit]
+  def createRoom(
+      roomName: String,
+      nickName: String,
+      nickPassword: String,
+      roomPassword: String
+  ): F[Either[RoomError, Room]]
+  def updateRoom(roomId: RoomID, roomUpd: Room => Room): F[Unit]
  def joinRoom(
      id: RoomID,
      nickName: String,
      nickPassword: String,
      roomPassword: String
  ): F[Either[RoomError, PlayerID]]
+  def acceptVote(roomID: RoomID, playerID: PlayerID, vote: String): F[Unit]
+  def endVoting(roomID: RoomID, playerID: PlayerID): F[Unit]
+  def startNewPoll(roomID: RoomID, playerID: PlayerID): F[Unit]
+  def leaveRoom(roomID: RoomID, playerID: PlayerID): F[Unit]
  def deleteRoom(roomID: RoomID): F[Unit]
  def getRoom(roomID: RoomID): F[Option[Room]]
+  def subscribe(roomID: RoomID): Stream[F, Room]
 }

-class InMemoryRoomService[F[_]: Sync](stateRef: Ref[F, Map[RoomID, Room]]) extends RoomService[F] {
-  override def createRoom(newRoom: Room): F[Either[RoomError, Room]] = {
-    stateRef.modify { rooms =>
-      rooms.get(newRoom.id) match {
-        case Some(_) =>
-          rooms -> RoomError.RoomAlreadyExists(newRoom.id.name).asLeft[Room]
-        case None =>
-          (rooms.updated(newRoom.id, newRoom)) -> newRoom.asRight[RoomError]
+class InMemoryRoomService[F[_]: Concurrent](stateRef: Ref[F, Map[RoomID, (Room, Topic[F, Room])]])
+    extends RoomService[F] {
+
+  // TODO accept allowed cards and separate request
+  override def createRoom(
+      roomName: String,
+      nickName: String,
+      nickPassword: String,
+      roomPassword: String
+  ): F[Either[RoomError, Room]] = {
+    for {
+      updatesTopic <- Topic[F, Room]
+      room <- stateRef.modify { rooms =>
+        val roomId = RoomID(roomName)
+        rooms.get(roomId) match {
+          case Some(_) =>
+            rooms -> RoomError.RoomAlreadyExists(roomName).asLeft[Room]
+          case None =>
+            val ownerPlayer = Player.create(nickName)
+            val newRoom = Room(
+              roomId,
+              players = List(ownerPlayer),
+              owner = ownerPlayer.name,
+              password = roomPassword,
+              allowedCards = List("XS", "S", "M", "L", "XL"), // TODO accept from front
+              round = RoundState.Voting(Map.empty),
+              playersPasswords = Map(nickName -> nickPassword)
+            )
+            rooms.updated(newRoom.id, (newRoom, updatesTopic)) -> newRoom.asRight[RoomError]
+        }
      }
-    }
-  }
-  override def updateRoom(room: Room): F[Unit] = stateRef.update { state =>
-    state.get(room.id).fold(state)(oldRoom => state.updated(room.id, room))
+    } yield room
  }

-  override def deleteRoom(roomID: RoomID): F[Unit] = stateRef.update(_.removed(roomID))
+  override def updateRoom(roomId: RoomID, roomUpd: Room => Room): F[Unit] = {
+    for {
+      // modify is function to update state and compute auxillary value to return, here - topic
+      publishUpd <- stateRef.modify[F[Unit]] { state =>
+        state.get(roomId) match {
+          case Some((oldRoom, topic)) =>
+            val newRoom = roomUpd(oldRoom)
+            state.updated(roomId, (newRoom, topic)) -> topic.publish1(newRoom).void
+          case None =>
+            throw new IllegalStateException(s"updateRoom with $roomId on nonexistent room")
+        }
+      }
+      _ <-
+        publishUpd // update and publish are not atomic, sadly races can happen (TODO use atomic ref)
+    } yield ()
+  }

-  override def getRoom(roomID: RoomID): F[Option[Room]] = stateRef.get.map(_.get(roomID))
+  override def acceptVote(roomID: RoomID, playerID: PlayerID, vote: String): F[Unit] =
+    updateRoom(
+      roomID,
+      room =>
+        room.round match {
+          case RoundState.Viewing(_) => room
+          case RoundState.Voting(votes) =>
+            if (room.allowedCards.contains(vote))
+              room.copy(round = RoundState.Voting(votes.updated(playerID, vote)))
+            else room
+        }
+    )
+  // TODO check permission
+  override def endVoting(roomID: RoomID, playerID: PlayerID): F[Unit] = updateRoom(
+    roomID,
+    room =>
+      room.round match {
+        case RoundState.Viewing(_)    => room
+        case RoundState.Voting(votes) => room.copy(round = RoundState.Viewing(votes))
+      }
+  )
+  override def startNewPoll(roomID: RoomID, playerID: PlayerID): F[Unit] = updateRoom(
+    roomID,
+    room =>
+      room.round match {
+        case RoundState.Viewing(_)    => room.copy(round = RoundState.Voting(Map.empty))
+        case RoundState.Voting(votes) => room
+      }
+  )
+
+  /** removes player from the active players keeps information on nick password, if one was present
+    */
+  override def leaveRoom(roomID: RoomID, playerID: PlayerID): F[Unit] = updateRoom(
+    roomID,
+    room =>
+      room.copy(
+        players = room.players.filterNot(_.id == playerID),
+        round = room.round.removePlayer(playerID)
+      )
+  )
+
+  override def deleteRoom(roomID: RoomID): F[Unit] = {
+    for {
+      topic <- stateRef.modify[Topic[F, Room]](state =>
+        state.get(roomID) match {
+          case Some((oldRoom, topic)) => state.removed(roomID) -> topic
+          case None =>
+            throw new IllegalStateException(s"call to delete with $roomID on nonexistent room")
+          // TODO - i'd prefer to swallow these errors
+        }
+      )
+      _ <- topic.close
+    } yield ()
+  }
+
+  override def getRoom(roomID: RoomID): F[Option[Room]] = {
+    stateRef.get.map(_.get(roomID).map(_._1))
+  }

  override def joinRoom(
      id: RoomID,
      nickName: String,
      nickPassword: String,
      roomPassword: String
-  ): F[Either[RoomError, PlayerID]] = stateRef.modify { rooms =>
-    // need to cover cases:
-    // - player already present, then return as is, i guess
-    // - nick not known - add new player and new nick-password mapping
-    // - nick known - add new player
+  ): F[Either[RoomError, PlayerID]] = {

+    /** pure function that adds the player to the room need to cover cases:
+      *   - player already present, then return as is, i guess
+      *   - nick not known - add new player and new nick-password mapping
+      *   - nick known - add new player
+      */
    def addPlayer(room: Room): (PlayerID, Room) = {
      room.players.find(_.name == nickName) match {
        case Some(player) => player.id -> room
        case None => // player is not present, but potentially was previously
-          val addingPlayer = Player.create(nickPassword)
+          val addingPlayer = Player.create(nickName)
          val roomWithPlayer = room.copy(players = addingPlayer :: room.players)
          room.playersPasswords.get(nickName) match {
            case Some(_) => addingPlayer.id -> roomWithPlayer
@@ -71,8 +175,19 @@ class InMemoryRoomService[F[_]: Sync](stateRef: Ref[F, Map[RoomID, Room]]) exten
      }
    }

-    val joiningWithChecks = for {
-      room <- rooms.get(id).toRight(RoomError.RoomMissing(id.name))
+    /** to be executed under Ref.modify (i.e with state acquired) checks of whether player can be
+      * added to the room:
+      *   - room password is correct
+      *   - nickname is either not taken, or correct password was provided
+      * @returns
+      *   playerId (new or existing), updatedRoom (to be put into state), topic (to send the udpdate
+      *   notification)
+      */
+    def getWithChecks(
+        rooms: Map[RoomID, (Room, Topic[F, Room])]
+    ): Either[RoomError, (PlayerID, Room, Topic[F, Room])] = for {
+      roomAndTopic <- rooms.get(id).toRight(RoomError.RoomMissing(id.name))
+      (room, topic) = roomAndTopic
      _ <- Either.cond(room.password == roomPassword, (), RoomError.RoomPassIncorrect)
      isNickPassCorrect = room.playersPasswords
        .get(nickName)
@@ -83,14 +198,54 @@ class InMemoryRoomService[F[_]: Sync](stateRef: Ref[F, Map[RoomID, Room]]) exten
        RoomError.NickPassIncorrect
      )
      (playerId, updatedRoom) = addPlayer(room)
-    } yield playerId
+    } yield (playerId, updatedRoom, topic)

-    rooms -> joiningWithChecks
+    // modify returns tuple (updatedState, valueToReturn)
+    // this particular update either keeps room as is, or adds the player
+    // and returns playerId and topic to be used outside
+    //
+    // NOTE here i have a lot of handwaving to pass topic outside
+    // because it's not possible to send F[Unit] update
+    // inside of the stateRef update (which works with pure functions?),
+    // so room notification change has to be returned to outside
+    val maybeUpdatedStateAndNotification = stateRef.modify { rooms =>
+      val maybeAddedUser = getWithChecks(rooms)
+      val updatedState =
+        maybeAddedUser.fold(
+          _ => rooms,
+          { case (playerId, updatedRoom, topic) => rooms.updated(id, (updatedRoom, topic)) }
+        )
+      val toReturn = maybeAddedUser.map { case (id, updatedRoom, topic) =>
+        (id, topic.publish1(updatedRoom).void)
+      }
+      updatedState -> toReturn
+    }
+
+    // now combining the effects : getting (updatedState & notificationEffect) or error
+    // executing notification
+    // returning only playerId
+    val result = for {
+      updatedState <- EitherT(maybeUpdatedStateAndNotification)
+      (playerId, notification) = updatedState
+      _ <- EitherT.liftF(notification)
+    } yield (playerId)
+
+    result.value
  }

+  override def subscribe(roomID: RoomID): Stream[F, Room] =
+    Stream
+      .eval(stateRef.get)
+      .flatMap(rooms =>
+        rooms.get(roomID) match {
+          case Some((room, topic)) => topic.subscribe(10)
+          case None                => Stream.empty
+        }
+      )
+
 }
 object RoomService {
-  def make[F[_]: Sync]: F[RoomService[F]] = {
-    Ref.of[F, Map[RoomID, Room]](Map.empty).map(new InMemoryRoomService[F](_))
+  def make[F[_]: Concurrent]: F[RoomService[F]] = {
+    Ref.of[F, Map[RoomID, (Room, Topic[F, Room])]](Map.empty).map(new InMemoryRoomService[F](_))
  }
 }
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,7 @@
 import org.scalajs.linker.interface.ModuleSplitStyle

 lazy val commonSettings = Seq(
+  version := "0.1.1",
  scalaVersion := "3.2.0"
 )

@@ -33,7 +34,8 @@ lazy val frontend = project
    libraryDependencies += "org.scala-js" %%% "scalajs-dom" % "2.4.0",
    libraryDependencies += "com.raquo" %%% "laminar" % "15.0.1",
    libraryDependencies += "io.laminext" %%% "websocket-circe" % "0.15.0",
-    libraryDependencies += "io.laminext" %%% "fetch" % "0.15.0"
+    libraryDependencies += "io.laminext" %%% "fetch-circe" % "0.15.0",
+    libraryDependencies += "io.laminext" %%% "validation-cats" % "0.15.0"
  )
  .dependsOn(common.js)

--- a/common/src/main/scala/industries/sunshine/planningpoker/Models.scala
+++ b/common/src/main/scala/industries/sunshine/planningpoker/Models.scala
@@ -17,33 +17,32 @@ object Models {
    *   \- whether current player has access to button to finish the round
    */
  final case class RoomStateView(
+      roomName: String,
      players: List[Player],
      me: PlayerID,
      allowedCards: List[String],
-      round: RoundState,
+      round: RoundStateView,
      canCloseRound: Boolean = false
-  ) derives Codec.AsObject {
-    def playersCount: Int = players.size
-  }
+  ) derives Codec.AsObject

  object RoomStateView {
    val empty = RoomStateView(
+      "",
      List.empty,
      PlayerID(0),
      List.empty,
-      RoundState.Voting(None, List.empty),
+      RoundStateView.Voting(None, List.empty),
      false
    )
  }

-  enum RoundState derives Codec.AsObject:
-
+  enum RoundStateView derives Codec.AsObject:
    /** view state for round before votes are open player can know their vote and who of the other
      * players have voted
      */
    case Voting(
        myCard: Option[String],
-        alreadyVoted: List[Player]
+        alreadyVoted: List[PlayerID]
    )

    /** view state for round after opening the votes
@@ -51,53 +50,59 @@ object Models {
    case Viewing(
        votes: List[(PlayerID, String)]
    )
-  final case class PlayerID(id: Long) derives Codec.AsObject

+  final case class PlayerID(id: Long) derives Codec.AsObject
  final case class Player(name: String, id: PlayerID) derives Codec.AsObject
  object Player {
    def create(name: String) = Player(name, PlayerID(Random.nextLong))
  }

  final case class RoomID(name: String) derives Codec.AsObject
-
  final case class Room(
      id: RoomID,
      players: List[Player],
-      owner: PlayerID,
+      owner: String, // TODO switch to nickname
      password: String,
      allowedCards: List[String],
      round: RoundState,
-      playersPasswords: Map[String, String] = Map.empty // nickname into password
+      playersPasswords: Map[String, String] = Map.empty, // nickname into password
  ) {
-    def toViewFor(playerId: PlayerID): RoomStateView = {
+    def getViewFor(playerId: PlayerID): RoomStateView = {
      players
        .find(_.id == playerId)
        .fold(ifEmpty = RoomStateView.empty)((me: Player) =>
          RoomStateView(
+            id.name,
            players,
            me.id,
            allowedCards,
-            round,
-            playerId == owner
+            round.toViewFor(playerId),
+            me.name == owner
          )
        )
    }
  }
-  object Room {
-    val testRoom = Room(
-      id = RoomID("testroom"),
-      players = List(
-        Player("me", PlayerID(1L)),
-        Player("horsey", PlayerID(444L)),
-        Player("froggy", PlayerID(555L)),
-        Player("owley", PlayerID(777L))
-      ),
-      owner = PlayerID(1L),
-      password = "password",
-      allowedCards = List("S", "M", "L"),
-      // TODO - this needs to be a different hting
-      round = RoundState.Voting(None, List.empty)
-    )
-  }

+  // no need to send to the front end, no deed to derive codec, cool
+  sealed trait RoundState {
+    def toViewFor(player: PlayerID): RoundStateView
+    def removePlayer(id: PlayerID): RoundState
+  }
+  object RoundState {
+    final case class Voting(votes: Map[PlayerID, String]) extends RoundState {
+      override def toViewFor(playerId: PlayerID): RoundStateView.Voting = RoundStateView.Voting(
+          myCard = votes.get(playerId),
+          alreadyVoted = votes.filterKeys(id => id != playerId).keys.toList
+        )
+      override def removePlayer(id: PlayerID): RoundState.Voting =
+        RoundState.Voting(votes.filterKeys(_ != id).toMap)
+    }
+
+    final case class Viewing(votes: Map[PlayerID, String]) extends RoundState {
+      override def toViewFor(player: PlayerID): RoundStateView.Viewing =
+        RoundStateView.Viewing(votes.toList)
+      override def removePlayer(id: PlayerID): RoundState.Viewing =
+        RoundState.Viewing(votes.filterKeys(_ != id).toMap)
+    }
+  }
 }
--- a/common/src/main/scala/industries/sunshine/planningpoker/TestModels.scala
+++ b/common/src/main/scala/industries/sunshine/planningpoker/TestModels.scala
@@ -3,104 +3,100 @@ package industries.sunshine.planningpoker
 import industries.sunshine.planningpoker.common.Models.*

 object TestModels {
-  val me = Player("wormy", PlayerID(1))
+  val me = Player("me", PlayerID(1))
  val pony = Player("pony", PlayerID(10))
  val birdy = Player("birdy", PlayerID(11))
  val horsey = Player("horsey", PlayerID(12))

-  val testRoom = {
-    RoomStateView(
-      players = List(me, birdy, pony),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = Some("s"), alreadyVoted = List(me, pony)),
-      canCloseRound = true
-    )
-  }
-  val testOpenedRoom = {
-    RoomStateView(
-      players = List(me, birdy, pony, horsey),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Viewing(
-        List(me.id -> "xs", pony.id -> "l", birdy.id -> "s", horsey.id -> "m")
-      ),
-      canCloseRound = true
-    )
-  }
+  // val testRoomBackend = Room(
+  //   id = RoomID("testroom"),
+  //   players = List(me, birdy, pony, horsey),
+  //   owner = me.id,
+  //   password = "password",
+  //   allowedCards = List("xs", "s", "m", "l", "xl"),
+  //   round = RoundState.Viewing(
+  //     Map(me.id -> "xs", pony.id -> "l", birdy.id -> "s", horsey.id -> "m")
+  //   ),
+  //   playersPasswords = Map("me" -> "nickpassword") // nickname into password
+  // )

-  val testChangesList = List(
-    RoomStateView(
-      players = List(me),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = None, alreadyVoted = List.empty),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, pony),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = None, alreadyVoted = List.empty),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = None, alreadyVoted = List.empty),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = None, alreadyVoted = List(birdy)),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = Some("m"), alreadyVoted = List(birdy)),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = Some("m"), alreadyVoted = List(birdy)),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony, horsey),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = Some("m"), alreadyVoted = List(birdy)),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony, horsey),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = Some("m"), alreadyVoted = List(birdy, horsey)),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony, horsey),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Voting(myCard = Some("m"), alreadyVoted = List(birdy, horsey, pony)),
-      canCloseRound = true
-    ),
-    RoomStateView(
-      players = List(me, birdy, pony, horsey),
-      me = me.id,
-      allowedCards = List("xs", "s", "m", "l", "xl"),
-      round = RoundState.Viewing(
-        List(me.id -> "m", pony.id -> "l", birdy.id -> "s", horsey.id -> "m")
-      ),
-      canCloseRound = true
-    )
-  )
+  // val testSessionId = 1L
+  // val testSessions = Map(testSessionId -> (testRoomBackend.id, me.id))
+  // val testRooms = Map(testRoomBackend.id -> testRoomBackend)
+
+  // val testChangesList = List(
+  //   RoomStateView(
+  //     players = List(me),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = None, alreadyVoted = List.empty),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, pony),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = None, alreadyVoted = List.empty),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = None, alreadyVoted = List.empty),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = None, alreadyVoted = List(birdy.id)),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = Some("m"), alreadyVoted = List(birdy.id)),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = Some("m"), alreadyVoted = List(birdy.id)),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony, horsey),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = Some("m"), alreadyVoted = List(birdy.id)),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony, horsey),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Voting(myCard = Some("m"), alreadyVoted = List(birdy.id, horsey.id)),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony, horsey),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView
+  //       .Voting(myCard = Some("m"), alreadyVoted = List(birdy.id, horsey.id, pony.id)),
+  //     canCloseRound = true
+  //   ),
+  //   RoomStateView(
+  //     players = List(me, birdy, pony, horsey),
+  //     me = me.id,
+  //     allowedCards = List("xs", "s", "m", "l", "xl"),
+  //     round = RoundStateView.Viewing(
+  //       List(me.id -> "m", pony.id -> "l", birdy.id -> "s", horsey.id -> "m")
+  //     ),
+  //     canCloseRound = true
+  //   )
+  // )
 }
--- a/flake.lock
+++ b/flake.lock
@@ -18,6 +18,21 @@
        "type": "github"
      }
    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
    "nixpkgs": {
      "locked": {
        "lastModified": 1682080641,
@@ -36,7 +51,30 @@
    "root": {
      "inputs": {
        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "sbt-derivation": "sbt-derivation"
+      }
+    },
+    "sbt-derivation": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1675083208,
+        "narHash": "sha256-+sSFhSpV2jckr1qYlX/SaxQ6IdpagD6o4rru/3HAl0I=",
+        "owner": "zaninime",
+        "repo": "sbt-derivation",
+        "rev": "92d6d6d825e3f6ae5642d1cce8ff571c3368aaf7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zaninime",
+        "ref": "master",
+        "repo": "sbt-derivation",
+        "type": "github"
      }
    },
    "systems": {
--- a/flake.nix
+++ b/flake.nix
@@ -1,27 +1,127 @@
 {
-  description = "Planning Poker web app. Trying to build something and learn new things";
+  description =
+    "Planning Poker web app. Trying to build something and learn new things";
  inputs.nixpkgs.url = "github:nixos/nixpkgs";
  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs.sbt-derivation.url = "github:zaninime/sbt-derivation/master";
+  inputs.sbt-derivation.inputs.nixpkgs.follows = "nixpkgs";

-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem
-      (system:
-        let pkgs = nixpkgs.legacyPackages.${system}; in
-        {
-          devShells.default = pkgs.mkShell {
-            buildInputs = [
-              pkgs.nodejs
-              pkgs.sbt
-              pkgs.scalafmt
-              pkgs.jdk
-              # pkgs.nodePackages.tailwindcss
-              # pkgs.nodePackages.postcss
-            ];
-            shellHook = ''
-              echo "dev env for planning poker BWARGH started"
-            '';
+  outputs = { self, nixpkgs, flake-utils, sbt-derivation }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        packageName = "planning-poker-kazbegi";
+        backendName = "${packageName}-backend";
+        version = "0.1.1";
+        backendPackage = sbt-derivation.lib.mkSbtDerivation rec {
+          inherit pkgs version;
+
+          # ...and the rest of the arguments
+          pname = "${backendName}";
+          depsSha256 = "sha256-7MNlMeljYqXY4/kK4BXoycp9xUz0tGwCQvPTlE1RIQU=";
+          src = pkgs.nix-gitignore.gitignoreSource [ ] ./.;
+          buildPhase = ''
+            sbt backend/assembly
+          '';
+          installPhase = ''
+            mkdir -p $out/bin
+            cp backend/target/scala-*/backend-assembly-*.jar $out/bin/${pname}.jar
+          '';
+        };
+      in {
+        # Development shell with things required for local dev
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.nodejs
+            pkgs.sbt
+            pkgs.scalafmt
+            pkgs.jdk
+            # pkgs.nodePackages.tailwindcss
+            # pkgs.nodePackages.postcss
+          ];
+          shellHook = ''
+            echo "dev env for planning poker BWARGH started"
+          '';
+        };
+        # Just the backend jar
+        packages.backend = backendPackage;
+        # Module for NixOS to allow starting backend as SystemD service
+        nixosModules.backendApp = { config, pkgs, ... }:
+          let
+            cfg = config.services.${backendName};
+            lib = pkgs.lib;
+          in {
+            options.services.${backendName} = {
+              enable =
+                lib.mkEnableOption "My frontendmentor exercise ${backendName}";
+
+              port = lib.mkOption {
+                type = lib.types.int;
+                default = 8080;
+                description = "Port to listen on.";
+              };
+
+              host = lib.mkOption {
+                type = lib.types.str;
+                default = "localhost";
+                description = "Host to bind to.";
+              };
+
+              useNginx = lib.mkOption {
+                type = lib.types.bool;
+                default = true;
+                description = "Whether to use Nginx to proxy requests.";
+              };
+              useHostTls = lib.mkOption {
+                type = lib.types.bool;
+                default = false;
+                description =
+                  "Whether virtual host should enable NixOS ACME certs";
+              };
+            };
+            config.users = lib.mkIf cfg.enable {
+              groups."${backendName}" = { };
+              users."${backendName}" = {
+                isSystemUser = true;
+                group = "${backendName}";
+              };
+            };
+            config.systemd.services.${backendName} = lib.mkIf cfg.enable {
+              description = "Exercise app ${backendName}";
+              wantedBy = [ "multi-user.target" ];
+              after = [ "network.target" ];
+              startLimitIntervalSec = 30;
+              startLimitBurst = 10;
+              serviceConfig =
+                let serverHost = if cfg.useNginx then "localhost" else cfg.host;
+                in {
+                  ExecStart =
+                    "${pkgs.jdk}/bin/java -jar ${backendPackage}/bin/${backendName}.jar -p ${
+                      toString cfg.port
+                    } --host ${serverHost}";
+                  WorkingDirectory = "${backendPackage}/bin";
+                  Restart = "on-failure";
+                  User = "${backendName}";
+                  Group = "${backendName}";
+                };
+            };
+            config.services.nginx.virtualHosts.${cfg.host} = {
+              forceSSL = cfg.useHostTls;
+              enableACME = cfg.useHostTls;
+              locations."/api" = lib.mkIf cfg.enable {
+                proxyPass = "http://127.0.0.1:${toString cfg.port}";
+                # this is config for websocket
+                proxyWebsockets = true;
+                extraConfig = ''
+                  rewrite ^/api/(.*)$ /$1 break;
+                  proxy_set_header Host $host;
+                  proxy_set_header X-Real-IP $remote_addr;
+                  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+                  proxy_set_header X-Forwarded-Proto $scheme;
+                '';
+              };
+            };
          };
-        }
-      );
+      });
  # see https://serokell.io/blog/practical-nix-flakes
 }
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/FrontendMain.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/FrontendMain.scala
@@ -20,48 +20,18 @@ def FrontendMain(): Unit =
  )

 object Main {
-  final case class AppState(
-      myId: Option[PlayerID]
-  )
-  // TODO is this ok for state creation? link with auth component and use in another?
-  val appStateSignal = Var(AppState(Some(TestModels.me.id))).signal
-  val staticStateSignal = Var(TestModels.testRoom).signal

-  import io.laminext.websocket.circe.WebSocket._
-  import io.laminext.websocket.circe.webSocketReceiveBuilderSyntax
-
-  val roomStateWSStream = io.laminext.websocket.WebSocket
-    .path("/api/subscribe")
-    .json[RoomStateView, Unit]
-    .build(
-      managed = true,
-      autoReconnect = false,
-      reconnectDelay = 1.second,
-      reconnectDelayOffline = 20.seconds,
-      reconnectRetries = 1
-    )
-
-  val stateStream = roomStateWSStream.received
-  // and what's the difference between EventStream and Signal???
-  val stateSignal =
-    stateStream.startWith(RoomStateView.empty)
-
-  // NOTE let's try with fetch \ rest
-  // import io.laminext.fetch.Fetch
-  // import com.raquo.laminar.api.L._
-  // import scala.concurrent.ExecutionContext.Implicits.global
-  // val testRest = Fetch.get("http://0.0.0.0:5173/api/subscribe").text
+  val loggedIn = Var(true)

  import scala.scalajs.js.Dynamic.{global => g}
  def appElement(): Element = {
    div(
      className := "w-screen h-screen flex flex-col justify-center items-center",
-      div(
-        className := "h-24 w-full flex flex-for justify-center items-center bg-green-200",
-        p(className := "text-2xl", "Here be header")
+      Header.render(loggedIn.writer, loggedIn.signal),
+      child <-- loggedIn.signal.map(if (_) emptyNode else JoinRoomComponent.render(loggedIn.writer)),
+      child <-- loggedIn.signal.map(
+        if (_) RoomView.renderRoom(loggedIn.writer) else emptyNode
      ),
-      RoomView.renderRoom(stateSignal),
-      roomStateWSStream.connect
    )
  }
 }
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/Header.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/Header.scala
@@ -0,0 +1,31 @@
+package industries.sunshine.planningpoker
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.*
+import com.raquo.laminar.api.L.{*, given}
+import io.laminext.fetch.Fetch
+import io.laminext.fetch.FetchResponse
+import scala.scalajs.js.Dynamic.{global => g}
+
+import concurrent.ExecutionContext.Implicits.global
+
+object Header {
+  def render(loggedInObserver: Observer[Boolean], loggedInSignal: Signal[Boolean]): Element = {
+    val (responsesStream, responseReceived) = EventStream.withCallback[FetchResponse[String]]
+
+    val logoutButton = button(
+      "Leave Room",
+      className := "border border-black m-2 p-2 absolute right-2",
+      onClick.flatMap(_ => Fetch.get("/api/logout").text) --> responseReceived,
+      responsesStream --> Observer(resp => g.console.info(s"${resp.toString()}")),
+      responsesStream.collect { case resp if resp.ok => false } --> loggedInObserver
+    )
+    val cachedEmpty = emptyNode
+
+    div(
+      className := "h-24 w-full flex flex-for justify-center items-center bg-green-200",
+      p(className := "text-2xl", "Planning Poker Kazbegi (nonpretty prealpha version)"),
+      child <-- loggedInSignal.map(if (_) logoutButton else cachedEmpty)
+    )
+  }
+}
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/JoinRoomComponent.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/JoinRoomComponent.scala
@@ -0,0 +1,181 @@
+package industries.sunshine.planningpoker
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.*
+import com.raquo.laminar.api.L.{*, given}
+import io.laminext.fetch.Fetch
+import io.laminext.fetch.circe._
+
+import io.laminext.syntax.core._
+import io.laminext.syntax.validation._
+
+import scala.util.Failure
+import scala.util.Success
+
+import concurrent.ExecutionContext.Implicits.global
+
+object JoinRoomComponent {
+  // TODO inputs for room name, room password, nick name, nick password
+  // do the get to /login route
+  // display errors if any.
+  // but then what? attempt to start the websocket?
+  // and if websocket closed show this component,
+  // if it's open - doesn't show this component, show the room.
+  // i suppose it should be managed on a level up
+  // or rather what? ws stream should be retried every time someone presses submit button
+  // and receives 200 ok
+  // so, parent page should send in observer for the successful auth. and on that observer - start \ restart the websocket
+  def nameInput(data: Var[String], placeholderText: String) = input(
+    className := "border-2 m-1 rounded",
+    placeholder := placeholderText,
+    controlled(
+      value <-- data.signal,
+      onInput.mapToValue --> data.writer
+    )
+  ).validated(V.nonBlank("name must not be blank"))
+
+  def passInput(data: Var[String], placeholderText: String) = input(
+    tpe := "password",
+    className := "border-2 m-1 rounded",
+    placeholder := placeholderText,
+    controlled(
+      value <-- data.signal,
+      onInput.mapToValue --> data.writer
+    )
+  )
+
+  val roomNameVar = Var("")
+  val roomPassVar = Var("")
+  val nicknameVar = Var("")
+  val nicknamePass = Var("")
+
+  val (responsesStream, responseReceived) = EventStream.withCallback[FetchResponse[String]]
+
+  def render(loggedIn: Observer[Boolean]): Element = {
+
+    val submitButton = button(
+      "Join room",
+      className := "m-1 border-2 rounded-full border-green-400 bg-green-200 shadow-inner shadow-green-400 active:shadow-yellow-400 duration-100 ease-linear",
+      onClick
+        .mapTo {
+          (roomNameVar.now(), roomPassVar.now(), nicknameVar.now(), nicknamePass.now())
+        }
+        .flatMap { case (roomName, roomPass, nickname, nicknamePass) =>
+          Fetch
+            .post(
+              "/api/login",
+              body = Requests.LogIn(
+                roomName,
+                nickname,
+                roomPass,
+                nicknamePass
+              )
+            )
+            .text
+            .map { response =>
+              if (response.ok) {
+                loggedIn.onNext(true)
+                response
+              } else response
+            }
+        } --> responseReceived
+    )
+    val newRoomButton = button(
+      className := "m-1 border-2 rounded-full border-yellow-400 bg-yellow-200 shadow-inner shadow-yellow-400 active:shadow-red-400 duration-100 ease-linear",
+      "Create new room",
+      onClick
+        .mapTo {
+          (roomNameVar.now(), roomPassVar.now(), nicknameVar.now(), nicknamePass.now())
+        }
+        .flatMap { case (roomName, roomPass, nickname, nicknamePass) =>
+          Fetch
+            .post(
+              "/api/create-room",
+              body = Requests.LogIn(
+                roomName,
+                nickname,
+                roomPass,
+                nicknamePass
+              )
+            )
+            .text
+            .map { response =>
+              if (response.ok) {
+                loggedIn.onNext(true)
+                response
+              } else response
+            }
+        } --> responseReceived
+    )
+
+    val roomNameInput = nameInput(roomNameVar, "Enter room name:")
+    val roomPassInput = passInput(roomPassVar, "room password")
+    val nickNameInput = nameInput(nicknameVar, "Enter your nickname:")
+    val nickPassInput = passInput(nicknamePass, "nickname pass")
+    div(
+      className := "bg-green-50 w-full h-full flex justify-center",
+      div(
+        className := "w-60 flex flex-col justify-center",
+        "Logging in:",
+        roomNameInput,
+        div(
+          child.maybe <-- roomNameInput.validationError.optionMap(errors =>
+            span(
+              cls := "text-red-700 text-sm",
+              errors.map(error => div(error))
+            )
+          )
+        ),
+        roomPassInput,
+        label("Alert: no https, please use throwaway passwords"),
+        nickNameInput,
+        div(
+          child.maybe <-- nickNameInput.validationError.optionMap(errors =>
+            span(
+              cls := "text-red-700 text-sm",
+              errors.map(error => div(error))
+            )
+          )
+        ),
+        nickPassInput,
+        submitButton,
+        newRoomButton,
+        div(
+          div(
+            code("error log:")
+          ),
+          div(
+            cls := "flex flex-col space-y-4 p-4 max-h-96 overflow-auto bg-gray-900",
+            children.command <-- responsesStream.recoverToTry.map {
+              case Success(response) => {
+                CollectionCommand.Append(
+                  div(
+                    div(
+                      cls := "flex space-x-2 items-center",
+                      code(cls := "text-green-500", "Status: "),
+                      code(cls := "text-green-300", s"${response.status} ${response.statusText}")
+                    ),
+                    div(
+                      cls := "text-green-400 text-xs",
+                      code(response.data)
+                    )
+                  )
+                )
+              }
+              case Failure(exception) =>
+                CollectionCommand.Append(
+                  div(
+                    div(
+                      cls := "flex space-x-2 items-center",
+                      code(cls := "text-red-500", "Error: "),
+                      code(cls := "text-red-300", exception.getMessage)
+                    )
+                  )
+                )
+            }
+          )
+        )
+      )
+    )
+  }
+}
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/OtherPlayers.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/OtherPlayers.scala
@@ -0,0 +1,70 @@
+package industries.sunshine.planningpoker
+
+import scala.scalajs.js
+import com.raquo.laminar.api.L.{*, given}
+import industries.sunshine.planningpoker.common.Models.*
+
+object OtherPlayers {
+  def render(roomStateSignal: Signal[RoomStateView]): Element = {
+    val otherPlayers = roomStateSignal.map { state =>
+      state.players.filterNot(_.id == state.me).zipWithIndex
+    }
+    def playerCardsAmountSignal(id: PlayerID): Signal[Int] = {
+      roomStateSignal.map(state => {
+        val totalCards = state.allowedCards.size
+        val playerModification = state.round match {
+          case RoundStateView.Viewing(votes) if votes.toMap.contains(id)           => -1
+          case RoundStateView.Voting(_, votedPlayers) if votedPlayers.contains(id) => -1
+          case _                                                                   => 0
+        }
+
+        totalCards + playerModification
+      })
+    }
+
+    div(
+      className := "flex flex-row",
+      children <-- otherPlayers.split(_._1.id) { (playerID, initial, playerSignal) =>
+        renderPlayer(playerSignal, playerCardsAmountSignal(playerID))
+      }
+    )
+  }
+
+  def renderPlayer(p: Signal[(Player, Int)], cardsAmount: Signal[Int]): Element = {
+    val xOffsetStyleSignal = p.map(_._2)
+    div(
+      className := "bg-green-200 border-b-2 border-black rounded p-2 m-2 absolute drop-shadow-xl m-3",
+      styleAttr <-- p.map(tuple => s"left: ${(0 + tuple._2) * 200}px"),
+      child.text <-- p.map(_._1.name),
+      renderHandCardBacks(cardsAmount)
+    )
+  }
+
+  /**
+   * adds css variables to be used in tailwindcss classes
+   */
+  def dynamicCardStyle(index: Int, totalCards: Int): String = {
+    val offCenterIndex = 2*index - (totalCards + 1)
+    val maxOffCenter = (totalCards + 1) / 2
+    val angle = Math.round((offCenterIndex / maxOffCenter.toDouble) * 25)
+    val xOffset = (offCenterIndex * 0.2)
+    s" --custom-rotate: ${angle}deg; --custom-x-translate: ${xOffset}rem; "
+  }
+
+  def renderHandCardBacks(amountSignal: Signal[Int]): Element = {
+    def renderCard(index: Int, totalCards: Int): Element =
+      div(
+        className := "w-8 h-12 rounded bg-green-500 text-yellow m-1 border border-green-700 drop-shadow-md",
+        className := "origin-bottom rotate-[--custom-rotate] translate-x-[--custom-x-translate]",
+        className := "absolute start-5",
+        styleAttr := dynamicCardStyle(index, totalCards),
+
+      )
+
+    div(
+      className := "relative h-16 w-20",
+      children <-- amountSignal.map { amount => (1 to amount).map(renderCard(_, amount)) }
+    )
+  }
+
+}
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/OwnHandControls.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/OwnHandControls.scala
@@ -0,0 +1,61 @@
+package industries.sunshine.planningpoker
+
+import scala.scalajs.js
+import com.raquo.laminar.api.L.{*, given}
+import industries.sunshine.planningpoker.common.Models.*
+import io.laminext.fetch.Fetch
+import scala.scalajs.js.Dynamic.{global => g}
+
+import concurrent.ExecutionContext.Implicits.global
+
+object OwnHandControls {
+  def render(roomStateSignal: Signal[RoomStateView]): Element = {
+    val cardTypesSignal = roomStateSignal.map(myUnselectedCards(_))
+    div(
+      className := " h-1/3 relative",
+      children <-- cardTypesSignal.map(cards => cards.map(renderCard(_, cards.size))),
+    )
+  }
+
+  /**
+   * adds css variables to be used in tailwindcss classes
+   */
+  def dynamicCardStyle(index: Int, totalCards: Int): String = {
+    val offCenterIndex = 2*index - (totalCards + 1)
+    val maxOffCenter = (totalCards + 1) / 2
+    val angle = Math.round((offCenterIndex / maxOffCenter.toDouble) * 17)
+    val xOffset = offCenterIndex * 1.4
+    val yOffset = -1.7 + Math.pow( Math.abs( offCenterIndex ), 1.5) * 0.2
+    s" --custom-rotate: ${angle}deg; --custom-x-translate: ${xOffset}rem; --custom-y-translate: ${yOffset}rem"
+  }
+
+  private def renderCard(cardWithIndex: (String, Int), totalCards: Int): Element = {
+    val (value, index) = cardWithIndex
+    val submitVote = Fetch.get(s"/api/vote/$value").text
+
+    div(
+      className := "cursor-pointer w-24 h-48 m-1 rounded-l flex justify-center items-center m-3 text-black bg-gray-50 border-black border-2 drop-shadow-md",
+      className := " hover:-translate-y-8 hover:scale-[1.05] hover:z-50 hover:drop-shadow-xl rounded-lg hover:bg-white ease-linear duration-200",
+      className := "absolute origin-bottom start-1/2 rotate-[--custom-rotate] translate-x-[--custom-x-translate] translate-y-[--custom-y-translate]",
+      styleAttr := dynamicCardStyle(index, totalCards),
+      onClick.flatMap(_ => submitVote) --> Observer(resp => g.console.info(resp.toString())),
+      div(
+        className := "-rotate-45 text-3xl",
+        value,
+      )
+    )
+  }
+
+  private def myUnselectedCards(state: RoomStateView): List[(String, Int)] = {
+    val allCards = state.allowedCards
+    val cards = state.round match {
+      case RoundStateView.Voting(myCard, _) =>
+        allCards.filterNot(value => myCard.contains(value))
+      case RoundStateView.Viewing(votes) =>
+        allCards.filterNot(value => votes.toMap.get(state.me).contains(value))
+    }
+
+    cards.zip(1 to state.allowedCards.size)
+  }
+
+}
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/RoomView.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/RoomView.scala
@@ -3,50 +3,49 @@ package industries.sunshine.planningpoker
 import scala.scalajs.js
 import com.raquo.laminar.api.L.{*, given}
 import industries.sunshine.planningpoker.common.Models.*
+import io.laminext.websocket.circe.WebSocket._
+import io.laminext.websocket.circe.webSocketReceiveBuilderSyntax
+
+import scala.concurrent.duration._

-/** Rendering of the Room state
-  */
 object RoomView {
-  // TODO this will take in signal of the room observable
-  // NOTE i guess "other players" would have to be in circle with 'me' as empty space in the bottom
-  def renderRoom(roomStateSignal: Signal[RoomStateView]): Element = {
-    // i want to number other players, for the star arrangement
-    val otherPlayers = roomStateSignal.map { state =>
-      state.players.filterNot(_.id == state.me).zipWithIndex
-    }

-    div(
-      className := "w-full h-full border-4 border-amber-900 flex flex-col",
-      div(
-        className := "flex flex-row",
-        children <-- otherPlayers.split(_._1.id) { (id, initial, playerSignal) =>
-          renderPlayer(playerSignal, roomStateSignal.map(_.allowedCards.size))
-        }
-      ),
-      TableView.renderTable(roomStateSignal)
-    )
-  }
+  /** Rendering of the Room state central table with cards, player control UI and other players
+    * description
+    *
+    * @param loggedIn
+    *   \- channel for signaling to the parent about dead websocket, i.e logged out state
+    */
+  def renderRoom(loggedIn: Observer[Boolean]): Element = {

-  def renderPlayer(p: Signal[(Player, Int)], cardsAmount: Signal[Int]): Element = {
-    val xOffsetStyleSignal = p.map(_._2)
-    div(
-      className := "w-20 h-20 border-2 border-amber-400 m-2 absolute",
-      // left <-- p.map(tuple => ((1 + tuple._2) * 10000).toString()),
-      styleAttr <-- p.map(tuple => s"left: ${(1 + tuple._2) * 100}px"),
-      child.text <-- p.map(_._1.name),
-      renderHandCardBacks(cardsAmount)
-    )
-  }
-
-  def renderHandCardBacks(amountSignal: Signal[Int]): Element = {
-    def renderCard(index: Int): Element =
-      div(
-        className := "w-4 h-8 m-1 rounded bg-gray-600 text-yellow"
+    val wsStream = io.laminext.websocket.WebSocket
+      .path("/api/subscribe")
+      .json[RoomStateView, Unit]
+      .build(
+        managed = true,
+        autoReconnect = true,
+        reconnectDelay = 500.millis,
+        reconnectDelayOffline = 20.seconds,
+        reconnectRetries = 3
      )

+    val roomStateSignal: Signal[RoomStateView] =
+      wsStream.received.startWith(RoomStateView.empty)
+
+    val wsFinalDeathSignal = wsStream.closed.collect { case (_, false) => () }
+
    div(
-      className := "flex flex-row",
-      children <-- amountSignal.map { amount => (1 to amount).map(renderCard) }
+      className := "w-full h-full border-4 border-amber-900 flex flex-col relative",
+      div(
+        className := "absolute top-2 right-2",
+        child.text <-- roomStateSignal.map(st => s"Room name: '${st.roomName}'"),
+      ),
+      OtherPlayers.render(roomStateSignal),
+      TableView.renderTable(roomStateSignal),
+      OwnHandControls.render(roomStateSignal),
+      wsStream.connect,
+      wsFinalDeathSignal.map(_ => false) --> loggedIn
    )
  }
+
 }
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/TableControls.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/TableControls.scala
@@ -0,0 +1,39 @@
+package industries.sunshine.planningpoker
+
+import scala.scalajs.js
+import com.raquo.laminar.api.L.{*, given}
+import industries.sunshine.planningpoker.common.Models.RoundStateView
+import com.raquo.airstream.core.Signal
+import io.laminext.fetch.Fetch
+import scala.scalajs.js.Dynamic.{global => g}
+
+import concurrent.ExecutionContext.Implicits.global
+
+object TableControls {
+  def render(roundSignal: Signal[RoundStateView]): Element = {
+    div(
+      child <-- roundSignal.map {
+        case RoundStateView.Viewing(_)   => newPollButton()
+        case RoundStateView.Voting(_, _) => endPollButton()
+      }
+    )
+  }
+
+  val commonButtonStyle = "border-2 border-black rounded-xl m-2 p-1"
+  def endPollButton(): Element = button(
+    className := commonButtonStyle,
+    "end voting",
+    onClick.flatMap(_ => Fetch.get("/api/end-voting").text) --> Observer(resp =>
+      g.console.info(resp.toString())
+    )
+  )
+
+  def newPollButton(): Element = button(
+    className := commonButtonStyle,
+    "start next round",
+    onClick.flatMap(_ => Fetch.get("/api/new-poll").text) --> Observer(resp =>
+      g.console.info(resp.toString())
+    )
+  )
+
+}
--- a/frontend/src/main/scala/industries/sunshine/planningpoker/TableView.scala
+++ b/frontend/src/main/scala/industries/sunshine/planningpoker/TableView.scala
@@ -11,64 +11,78 @@ object TableView {
  // but, can't have map to player, because overall state is required.
  // but can i split full state into several observables by that key? i think i should be able to
  // so, it's more efficient to share an observable, than to create multiple copies...
-  def renderTable(roundSignal: Signal[RoomStateView]): Element = {
+  def renderTable(roomStateSignal: Signal[RoomStateView]): Element = {
    val playerIdToCardTypeSignal =
-      roundSignal
-        .combineWith(Main.appStateSignal.map(_.myId))
-        .map((state, myIdOpt) =>
-          state.players.map(p => p.id -> getPlayerCardType(p.id, state.round, p.name, myIdOpt))
+      roomStateSignal
+        .map(state =>
+          state.players.map(p => p.id -> getPlayerCardType(p.id, state.round, p.name, state.me))
        )

    div(
-      className := "w-full h-full border-2 border-amber-700 flex flex-row justify-center items-center bg-green-100",
-      children <-- playerIdToCardTypeSignal.split(_._1) { (id, initial, cardTypeSignal) =>
-        renderPlayerCard(cardTypeSignal.map(_._2))
+      className := "w-full h-full flex flex-col justify-center items-center bg-green-100",
+      div(
+        className := "w-full flex flex-row justify-center items-center bg-green-100",
+        children <-- playerIdToCardTypeSignal.split(_._1) { (id, initial, cardTypeSignal) =>
+          renderPlayerCard(cardTypeSignal.map(_._2))
+        }
+      ),
+      child <-- roomStateSignal.map { state =>
+        if (state.canCloseRound) TableControls.render(roomStateSignal.map(_.round)) else emptyNode
      }
    )
  }

  trait CardState
  case class NoCard(name: String) extends CardState
-  case object CardBack extends CardState
-  case class Open(value: String) extends CardState
+  case class CardBack(name: String) extends CardState
+  case class Open(name: String, value: String) extends CardState

  def getPlayerCardType(
      id: PlayerID,
-      state: RoundState,
+      state: RoundStateView,
      name: String,
-      myId: Option[PlayerID]
+      myId: PlayerID
  ): CardState = {
    state match {
-      case isOpen: RoundState.Voting =>
-        if (myId.forall(_ == id)) {
-          isOpen.myCard.fold(NoCard(name))(vote => Open(vote))
-        } else isOpen.alreadyVoted.find(_.id == id).fold(NoCard(name))(_ => CardBack)
-      case isClosed: RoundState.Viewing =>
+      case isOpen: RoundStateView.Voting =>
+        if (myId == id) {
+          isOpen.myCard.fold(NoCard(name))(vote => Open(name, vote))
+        } else isOpen.alreadyVoted.find(_ == id).fold(NoCard(name))(_ => CardBack(name))
+      case isClosed: RoundStateView.Viewing =>
        isClosed.votes
          .find(_._1 == id)
          .fold {
            g.console.error(s"missing vote for player $name")
-            Open("error")
-          } { case (_, vote) => Open(vote) }
+            NoCard(name)
+          } { case (_, vote) => Open(name, vote) }
    }
  }

  def renderPlayerCard(state: Signal[CardState]): Element = {
    val cardTypeStyle = state.map {
-      case NoCard(_) => "bg-green-100 text-black border-2 border-black"
-      case CardBack  => "bg-green-500 border-4 border-green-700"
-      case Open(_)   => "text-black bg-gray-50 border-black border-2"
+      case NoCard(_)   => "bg-green-100 text-black border-2 border-black"
+      case CardBack(_) => "bg-green-500 border-4 border-green-700"
+      case Open(_, _)  => "text-black bg-gray-50 border-black border-2"
    }

    div(
-      className := "w-20 h-40 m-1 rounded flex justify-center items-center m-3",
+      className := "w-20 h-40 m-1 rounded m-3 relative",
      className <-- cardTypeStyle,
+      // the diagonal card value \ place text
      div(
-        className := "-rotate-45 text-xl",
+        className := "-rotate-45 text-xl absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2",
        child.text <-- state.map {
-          case NoCard(name) => name
-          case CardBack     => ""
-          case Open(vote)   => vote
+          case NoCard(name)   => name
+          case CardBack(name) => name
+          case Open(_, vote)  => vote
+        }
+      ),
+      // name under viewing the votes
+      div(
+        className := "text-xl absolute bottom-1 left-1/2  transform -translate-x-1/2",
+        child.text <-- state.map {
+          case Open(name, _) => name
+          case _             => ""
        }
      )
    )
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Vite App</title>
+    <title>Planning Poker Kazbegi : unpretty prealpha version</title>
  </head>
  <body>
    <div id="app"></div>
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
-  "name": "planning-poker-grargh",
+  "name": "planning-poker-kazbegi",
  "version": "0.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
-      "name": "planning-poker-grargh",
+      "name": "planning-poker-kazbegi",
      "version": "0.0.0",
      "devDependencies": {
        "@scala-js/vite-plugin-scalajs": "^1.0.0",
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "planning-poker-grargh",
+  "name": "planning-poker-kazbegi",
  "private": true,
  "version": "0.0.0",
  "type": "module",
Author	SHA1	Message	Date
efim	e4edffd69f	feat: allow setting tls on nixos	2023-10-09 03:22:58 +00:00
efim	7dbcc63394	refactor: using cool NixOS option for nginx	2023-10-09 03:16:33 +00:00
efim	fe9794a796	nix: fixing the module for some reason config = lib.mkIf didn't work over whole config, with 'infinite recursion' Setting particular parts of config helped. Then - trimming user and group name to under 31 symbols	2023-08-06 17:17:06 +00:00
efim	24b42352b3	nix: nixos module for backend installation systemd to run service, nginx config bundled in	2023-08-06 14:02:04 +00:00
efim	81f466ceb0	nix update	2023-08-05 15:21:28 +00:00
efim	d54d35eed1	docs: local and prod execution	2023-05-07 19:53:31 +04:00
efim	57618b268d	feat: styling cards as fan, tailwind + css vars	2023-05-07 19:35:03 +04:00
efim	3dab3f66b9	feat: styling cards as fan	2023-05-07 18:25:54 +04:00
efim	ba58a13e6a	docs: license, readme and renaming into Kazbegi	2023-05-06 19:26:50 +04:00
efim	db65777780	feat!: display room name BREAKING CHANGE: protocol now expects room name attribute	2023-04-30 09:55:49 +04:00
efim	e2795edbe6	bugfix: (not full) overlapping other players	2023-04-30 09:55:25 +04:00
efim	346069ae96	bugfix: disallow joining room without nickname and also creating a room without a name maybe maybe spectatorship sometimes later	2023-04-30 09:39:41 +04:00
efim	bbabeb6c14	bug: secure cookie is not allowed without https and mvp deployment without tls, so it doesn't work	2023-04-30 00:58:24 +04:00
efim	65879e092a	small prettification of join room component	2023-04-30 00:14:44 +04:00
efim	b06baf8c63	header and leave room button prettified	2023-04-29 23:00:15 +04:00
efim	d4eae63166	initial backend nix build - get jar	2023-04-29 19:43:17 +04:00
efim	ba625d738e	styling and animation of own card controls	2023-04-29 12:34:42 +04:00
efim	340fcdcf41	other players styling and cards calc logic	2023-04-28 21:20:09 +04:00
efim	76303ba097	table view prettier no-vote error display	2023-04-28 20:53:49 +04:00
efim	a690189f02	positioning card name label	2023-04-28 20:44:36 +04:00
efim	a87f4f99c0	add display of the name on the open card to make disambiguation on the viewing round simpler will style this later	2023-04-28 11:58:48 +04:00
efim	d7d4e2be9d	bugfix: need to recognize owner after relogin playerid is not stable right now, need to use nickname	2023-04-28 11:54:51 +04:00
efim	3158a75f5d	bugfix: leaving room needs to clear votes	2023-04-28 11:43:59 +04:00
efim	867b2f0f20	auth giving out actual random seesionId	2023-04-28 10:11:36 +04:00
efim	62d63546c4	adding alpha create room capability	2023-04-28 10:08:04 +04:00
efim	e1364c9b9b	simple routes mapped to room service	2023-04-28 09:28:57 +04:00
efim	8098f24552	rooms service methods implementation removed stubbed room, but thing compiles and maybe will work? lot's of pain with trying to store Topic inside Ref together with Room. storing them together in a tuple means for the room there should always be a topic but then modifying the room in side of ref is uncomfortable, because i want to do F[Unit] send updated room together with room modification, but Ref seems to take in only pure function to update the value there got to be maybe some semaphors or something like that? and storing topics where? in a separate state? that would maybe simplify things, but i'm coding well into the night and that's not a good idea really now before testing this with front end, i need a way to create a room.	2023-04-28 02:54:15 +04:00
efim	bd38a29b6d	backend: move roomService usage to httpService no longer used in auth module, ready to connect rest routes to room service	2023-04-28 00:46:25 +04:00
efim	ed6d30ec42	models: separate backend room model not viewable on front end, since doesn't have json codecs, yay!	2023-04-27 22:17:47 +04:00
efim	da9b96de84	own hand control - adding interactivity	2023-04-27 21:36:06 +04:00
efim	9a27a5c943	own controls - hide own active vote card	2023-04-27 21:21:02 +04:00
efim	11e65c009c	add very dummy own card controls	2023-04-27 21:07:35 +04:00
efim	107e7507f4	front other players - move to separate file	2023-04-27 20:58:53 +04:00
efim	ecb1717eb3	front: simple table control buttons	2023-04-27 11:57:20 +04:00
efim	f8bf1b961b	new logout button triggers /api/logout and updates app loggedIn state	2023-04-27 10:34:40 +04:00
efim	9db42cb522	connect login and room pages via logged in state moving websocket into being managed by the room component. if the partent would want access to "user signal" it can ask via observer. that would mean bidirectionality, and i already hear screeching of my intuitions from react, but maybe that's ok and in react i would still scope the websocket to the room page, plus callbacks	2023-04-26 22:32:53 +04:00
efim	90e886c62d	new Join Room form that requests authcookie getting stubbed session #1, with auth module stubbed to accept that session in. and stubbed method for streaming room state, but that's enough to start testing room calling api's for other actions next - pass in observable from parent to re-toggle subscription websocket after successful login	2023-04-26 11:42:40 +04:00
efim	1f28a03d47	temporarily hardcoding backend room and session	2023-04-26 08:56:51 +04:00
efim	6c1220b544	more initial impl of auth utils	2023-04-26 08:39:43 +04:00