feat: add logbook title editing with E2E encryption and sync support

server/src/routes/logbooks.ts

@@ -131,4 +131,41 @@ router.delete('/:id', async (req: any, res) => {
   }
 })
 
+// 5. Update a logbook title
+router.put('/:id', async (req: any, res) => {
+  try {
+    const { id } = req.params
+    const { encryptedTitle } = req.body
+
+    if (!encryptedTitle) {
+      return res.status(400).json({ error: 'encryptedTitle is required' })
+    }
+
+    const logbook = await prisma.logbook.findUnique({
+      where: { id }
+    })
+
+    if (!logbook) {
+      return res.status(404).json({ error: 'Logbook not found' })
+    }
+
+    if (logbook.userId !== req.userId) {
+      return res.status(403).json({ error: 'Forbidden: Access denied' })
+    }
+
+    const updatedLogbook = await prisma.logbook.update({
+      where: { id },
+      data: {
+        encryptedTitle,
+        updatedAt: new Date()
+      }
+    })
+
+    return res.json(updatedLogbook)
+  } catch (error: any) {
+    console.error('Error updating logbook:', error)
+    return res.status(500).json({ error: error.message || 'Internal server error' })
+  }
+})
+
 export default router

server/src/routes/sync.ts

@@ -46,7 +46,7 @@ router.post('/push', async (req: any, res) => {
         // Authorize: Check if logbook belongs to user
         // Exception: If action is create logbook, the logbook might not exist yet,
         // so we authorize based on user creating a logbook with their userId.
-        if (type === 'logbook' && action === 'create') {
+        if (type === 'logbook' && (action === 'create' || action === 'update')) {
           const existing = await prisma.logbook.findUnique({
             where: { id: logbookId }
           })
@@ -69,9 +69,9 @@ router.post('/push', async (req: any, res) => {
             },
             update: {
               encryptedTitle: parsed.encryptedTitle,
-              encryptedKey: parsed.encryptedKey || null,
-              iv: parsed.iv || null,
-              tag: parsed.tag || null,
+              ...(parsed.encryptedKey !== undefined ? { encryptedKey: parsed.encryptedKey } : {}),
+              ...(parsed.iv !== undefined ? { iv: parsed.iv } : {}),
+              ...(parsed.tag !== undefined ? { tag: parsed.tag } : {}),
               updatedAt: itemUpdatedAt
             }
           })