From 8976e254993d9cb79f4fe2c71b1ffad363782e6f Mon Sep 17 00:00:00 2001
From: Hartmut Bauer <hb42@gmx.de>
Date: Mon, 12 Oct 2026 23:58:20 +0200
Subject: [PATCH] progress

---
 .../src/main/kotlin/books/config/Routing.kt   |  2 +
 .../main/kotlin/books/edit/BooksSession.kt    | 14 +++++
 server/src/main/kotlin/core/auth/Sessions.kt  | 53 +++++++++++++++++++
 .../src/main/kotlin/core/config/Security.kt   |  2 +
 4 files changed, 71 insertions(+)
 create mode 100644 server/src/main/kotlin/books/edit/BooksSession.kt
 create mode 100644 server/src/main/kotlin/core/auth/Sessions.kt

diff --git a/server/src/main/kotlin/books/config/Routing.kt b/server/src/main/kotlin/books/config/Routing.kt
index 9536e8b..740a510 100644
--- a/server/src/main/kotlin/books/config/Routing.kt
+++ b/server/src/main/kotlin/books/config/Routing.kt
@@ -20,6 +20,7 @@ import net.keinekekse.app.books.db.schema.emptyBook
 import net.keinekekse.app.books.scan.getCover
 import net.keinekekse.app.books.scan.getIsbnFromCalibre
 import net.keinekekse.app.books.ui.*
+import net.keinekekse.app.core.auth.Sessions
 import net.keinekekse.app.core.auth.UserRoles
 import net.keinekekse.app.core.config.KeycloakSession
 import net.keinekekse.app.core.config.onUnauthorized
@@ -32,6 +33,7 @@ fun Application.configureRouting(
     @Named("booksDb") db: Database,
     booksRepo: BookRepository,
     keycloakSession: KeycloakSession,
+    sessions: Sessions,
 //    resultCallback: (String, String) -> Unit,
 ) {
     log.info("Configuring books routing")
diff --git a/server/src/main/kotlin/books/edit/BooksSession.kt b/server/src/main/kotlin/books/edit/BooksSession.kt
new file mode 100644
index 0000000..bf6028d
--- /dev/null
+++ b/server/src/main/kotlin/books/edit/BooksSession.kt
@@ -0,0 +1,14 @@
+package net.keinekekse.app.books.edit
+
+import net.keinekekse.app.core.auth.UserSession
+
+class BooksSession(
+    override val userId: String,
+    override val sessionId: String,
+    override var data: BooksSessionData
+) : UserSession<BooksSessionData>
+
+
+class BooksSessionData() {
+
+}
diff --git a/server/src/main/kotlin/core/auth/Sessions.kt b/server/src/main/kotlin/core/auth/Sessions.kt
new file mode 100644
index 0000000..b27a2a5
--- /dev/null
+++ b/server/src/main/kotlin/core/auth/Sessions.kt
@@ -0,0 +1,53 @@
+package net.keinekekse.app.core.auth
+
+import kotlin.uuid.ExperimentalUuidApi
+import kotlin.uuid.Uuid
+
+class Sessions {
+
+    var sessions: MutableMap<String, MutableMap<String, UserSession<*>>> = mutableMapOf()
+
+    @OptIn(ExperimentalUuidApi::class)
+    fun newSessionId(): String {
+        return Uuid.generateV4().toHexDashString()
+    }
+
+    fun getUserSessions(uid: String): MutableMap<String, UserSession<*>>? {
+        return sessions.get(uid)
+    }
+
+    fun getUserSession(uid: String, sessionId: String): UserSession<*>? {
+        return sessions.get(uid)?.get(sessionId)
+    }
+
+    fun setUserSession(uid: String, sessionId: String, data: UserSession<*>) {
+        sessions.getOrPut(uid) { mutableMapOf() }[sessionId] = data
+    }
+
+//    fun addSession(uid: String) {
+//        sessions[uid] = BooksSession(uid, "", "")
+//    }
+//
+//    fun addTestSession(uid: String) {
+//        sessions[uid] = TestSession(uid, "", 0)
+//    }
+}
+
+interface UserSession<T> {
+    val userId: String
+    val sessionId: String
+
+    var data: T
+}
+
+//data class BooksSession(
+//    override val userId: String,
+//    override val sessionId: String,
+//    override var data: String,
+//) : UserSession<String>
+//
+//data class TestSession(
+//    override val userId: String,
+//    override val sessionId: String,
+//    override var data: Int,
+//) : UserSession<Int>
diff --git a/server/src/main/kotlin/core/config/Security.kt b/server/src/main/kotlin/core/config/Security.kt
index b37b53f..b274c2a 100644
--- a/server/src/main/kotlin/core/config/Security.kt
+++ b/server/src/main/kotlin/core/config/Security.kt
@@ -8,6 +8,7 @@ import io.ktor.server.response.*
 import io.ktor.server.sessions.*
 import io.ktor.utils.io.*
 import net.keinekekse.app.core.auth.AppPrincipal
+import net.keinekekse.app.core.auth.Sessions
 import net.keinekekse.app.core.auth.UserRoles
 import java.io.File
 import java.security.SecureRandom
@@ -191,6 +192,7 @@ suspend fun Application.configureSecurity() {
     dependencies {
         provide<OidcProvider> { keycloakIdentity }
         provide<KeycloakSession> { keycloakSession }
+        provide<Sessions> { Sessions() }
     }
 
 }