X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Fweb%2FFreenetSessionProvider.kt;fp=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Fweb%2FFreenetSessionProvider.kt;h=8928f12b0d9bb669c3b2c832b6d04881d1f1106b;hp=0000000000000000000000000000000000000000;hb=5c5bee980f9cab5792e34d1c9840f73b8b191830;hpb=faf66247a34f64946990a985d2ea3003465969cb

diff --git a/src/main/kotlin/net/pterodactylus/sone/web/FreenetSessionProvider.kt b/src/main/kotlin/net/pterodactylus/sone/web/FreenetSessionProvider.kt
new file mode 100644
index 0000000..8928f12
--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/web/FreenetSessionProvider.kt
@@ -0,0 +1,53 @@
+/**
+ * Sone - FreenetSessionProvider.kt - Copyright © 2020 David ‘Bombe’ Roden
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.web
+
+import freenet.clients.http.SessionManager
+import freenet.clients.http.ToadletContext
+import net.pterodactylus.sone.data.Sone
+import net.pterodactylus.sone.database.SoneProvider
+import java.util.UUID
+import javax.inject.Inject
+
+/**
+ * [SoneProvider] implementation based on Freenet’s [SessionManager].
+ */
+class FreenetSessionProvider @Inject constructor(private val soneProvider: SoneProvider, private val sessionManager: SessionManager) : SessionProvider {
+
+	override fun getCurrentSone(toadletContext: ToadletContext): Sone? =
+			soneProvider.localSones.singleOrNull()
+					?: sessionManager.useSession(toadletContext)
+							?.let { it.getAttribute("Sone.CurrentSone") as? String }
+							?.let(soneProvider.soneLoader)
+							?.takeIf { it.isLocal }
+
+	override fun setCurrentSone(toadletContext: ToadletContext, sone: Sone?) {
+		if (sone == null) {
+			sessionManager.useSession(toadletContext)
+					?.removeAttribute("Sone.CurrentSone")
+		} else {
+			sessionManager.getOrCreateSession(toadletContext)
+					?.setAttribute("Sone.CurrentSone", sone.id)
+		}
+	}
+
+	private fun SessionManager.getOrCreateSession(toadletContext: ToadletContext) =
+			useSession(toadletContext)
+					?: createSession(UUID.randomUUID().toString(), toadletContext)
+
+}