From ef715768a342e5b19ecda874a05e45287549a1ef Mon Sep 17 00:00:00 2001
From: Dicken <dicken@noreply.localhost>
Date: Wed, 27 May 2026 15:31:08 +0200
Subject: [PATCH] Dateien nach "backend/src" hochladen

---
 backend/src/db.js    | 24 ++++++++++++++++++++++++
 backend/src/index.js |  1 +
 2 files changed, 25 insertions(+)

diff --git a/backend/src/db.js b/backend/src/db.js
index c68656c..ffae47e 100644
--- a/backend/src/db.js
+++ b/backend/src/db.js
@@ -81,6 +81,30 @@ db.exec(`
     created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
     UNIQUE(file_id, shared_with)
   );
+  CREATE TABLE IF NOT EXISTS user_keys (
+    user_id    INTEGER PRIMARY KEY REFERENCES users(id) ON DELETE CASCADE,
+    public_key TEXT NOT NULL,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  );
+  CREATE TABLE IF NOT EXISTS push_subscriptions (
+    id         INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id    INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    endpoint   TEXT NOT NULL UNIQUE,
+    p256dh     TEXT NOT NULL,
+    auth       TEXT NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  );
+  CREATE TABLE IF NOT EXISTS messages (
+    id                   INTEGER PRIMARY KEY AUTOINCREMENT,
+    sender_id            INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    recipient_id         INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    encrypted_content    TEXT NOT NULL,
+    iv                   TEXT NOT NULL,
+    created_at           DATETIME DEFAULT CURRENT_TIMESTAMP,
+    deleted_by_sender    INTEGER NOT NULL DEFAULT 0,
+    deleted_by_recipient INTEGER NOT NULL DEFAULT 0
+  );
+
   CREATE TABLE IF NOT EXISTS admin_settings (
     key   TEXT PRIMARY KEY,
     value TEXT NOT NULL
diff --git a/backend/src/index.js b/backend/src/index.js
index 1b1beb0..94c8360 100644
--- a/backend/src/index.js
+++ b/backend/src/index.js
@@ -11,6 +11,7 @@ app.use(express.json());
 app.use('/api/auth',      require('./routes/auth'));
 app.use('/api/admin',     require('./routes/admin'));
 app.use('/api/calendar',  require('./routes/calendar'));
+app.use('/api/nachrichten', require('./routes/nachrichten'));
 app.use('/api/dashboard', require('./routes/dashboard'));
 app.use('/api/system',    require('./routes/system'));