E-Mail Aktionen und Anhang-Download ergänzen

KI-AGENT: Ergänzt IMAP-basierte Aktionen zum Verschieben, Archivieren und Löschen von E-Mails sowie den Download von Anhängen aus der Originalmail. Die E-Mail Oberfläche bietet dafür Zielordner-Auswahl, Aktionsbuttons und Anhang-Downloads.
2026-05-23 20:38:01 +02:00
parent be4a5caaec
commit 358cd906ae
3 changed files with 413 additions and 3 deletions
--- a/backend/src/modules/email/email.sync.service.ts
+++ b/backend/src/modules/email/email.sync.service.ts
@@ -479,6 +479,198 @@ export function emailSyncService(server: FastifyInstance) {
        return updated
    }

+    const loadMessageForAction = async (tenantId: number, userId: string, messageId: string) => {
+        const rows = await server.db
+            .select()
+            .from(emailMessages)
+            .where(and(
+                eq(emailMessages.tenantId, tenantId),
+                eq(emailMessages.userId, userId),
+                eq(emailMessages.id, messageId),
+            ))
+            .limit(1)
+
+        return rows[0] || null
+    }
+
+    const deleteCachedMessage = async (messageId: string) => {
+        await server.db
+            .delete(emailMessages)
+            .where(eq(emailMessages.id, messageId))
+    }
+
+    const moveMessage = async (
+        tenantId: number,
+        userId: string,
+        messageId: string,
+        destinationMailboxPath: string,
+    ) => {
+        const message = await loadMessageForAction(tenantId, userId, messageId)
+        if (!message) return null
+
+        if (message.mailboxPath === destinationMailboxPath) {
+            return message
+        }
+
+        const account = await getAccount(tenantId, userId, message.accountId)
+        if (!account) {
+            throw new Error("E-Mail Konto nicht gefunden")
+        }
+
+        const targetRows = await server.db
+            .select({ path: emailMailboxes.path })
+            .from(emailMailboxes)
+            .where(and(
+                eq(emailMailboxes.tenantId, tenantId),
+                eq(emailMailboxes.userId, userId),
+                eq(emailMailboxes.accountId, message.accountId),
+                eq(emailMailboxes.path, destinationMailboxPath),
+            ))
+            .limit(1)
+
+        if (!targetRows[0]) {
+            throw new Error("Zielordner nicht gefunden")
+        }
+
+        const client = createClient(account)
+        await client.connect()
+
+        try {
+            const lock = await client.getMailboxLock(message.mailboxPath)
+            try {
+                await client.mailboxOpen(message.mailboxPath)
+                await client.messageMove(message.uid, destinationMailboxPath, { uid: true })
+            } finally {
+                lock.release()
+            }
+        } finally {
+            await client.logout().catch(() => client.close())
+        }
+
+        await deleteCachedMessage(messageId)
+        return { success: true, destinationMailboxPath }
+    }
+
+    const archiveMessage = async (tenantId: number, userId: string, messageId: string) => {
+        const message = await loadMessageForAction(tenantId, userId, messageId)
+        if (!message) return null
+
+        const mailboxes = await server.db
+            .select()
+            .from(emailMailboxes)
+            .where(and(
+                eq(emailMailboxes.tenantId, tenantId),
+                eq(emailMailboxes.userId, userId),
+                eq(emailMailboxes.accountId, message.accountId),
+            ))
+
+        const archiveMailbox = mailboxes.find((mailbox) => mailbox.specialUse === "\\Archive")
+            || mailboxes.find((mailbox) => ["archive", "archiv"].includes(mailbox.name.toLowerCase()))
+            || mailboxes.find((mailbox) => ["archive", "archiv"].includes(mailbox.path.toLowerCase()))
+
+        if (!archiveMailbox) {
+            throw new Error("Kein Archivordner gefunden")
+        }
+
+        return await moveMessage(tenantId, userId, messageId, archiveMailbox.path)
+    }
+
+    const deleteMessage = async (tenantId: number, userId: string, messageId: string) => {
+        const message = await loadMessageForAction(tenantId, userId, messageId)
+        if (!message) return null
+
+        const account = await getAccount(tenantId, userId, message.accountId)
+        if (!account) {
+            throw new Error("E-Mail Konto nicht gefunden")
+        }
+
+        const client = createClient(account)
+        await client.connect()
+
+        try {
+            const lock = await client.getMailboxLock(message.mailboxPath)
+            try {
+                await client.mailboxOpen(message.mailboxPath)
+                await client.messageDelete(message.uid, { uid: true })
+            } finally {
+                lock.release()
+            }
+        } finally {
+            await client.logout().catch(() => client.close())
+        }
+
+        await deleteCachedMessage(messageId)
+        return { success: true }
+    }
+
+    const getAttachmentContent = async (
+        tenantId: number,
+        userId: string,
+        attachmentId: string,
+    ) => {
+        const rows = await server.db
+            .select({
+                attachment: emailAttachments,
+                message: emailMessages,
+            })
+            .from(emailAttachments)
+            .innerJoin(emailMessages, eq(emailMessages.id, emailAttachments.messageId))
+            .where(and(
+                eq(emailAttachments.id, attachmentId),
+                eq(emailMessages.tenantId, tenantId),
+                eq(emailMessages.userId, userId),
+            ))
+            .limit(1)
+
+        const row = rows[0]
+        if (!row) return null
+
+        const account = await getAccount(tenantId, userId, row.message.accountId)
+        if (!account) {
+            throw new Error("E-Mail Konto nicht gefunden")
+        }
+
+        const client = createClient(account)
+        await client.connect()
+
+        try {
+            const lock = await client.getMailboxLock(row.message.mailboxPath)
+            try {
+                await client.mailboxOpen(row.message.mailboxPath)
+
+                for await (const fetched of client.fetch([row.message.uid], {
+                    source: true,
+                }, { uid: true })) {
+                    if (!fetched.source) break
+
+                    const parsed = await simpleParser(fetched.source)
+                    const attachment = parsed.attachments.find((item) =>
+                        (row.attachment.checksum && item.checksum === row.attachment.checksum)
+                        || (
+                            item.filename === row.attachment.filename
+                            && item.contentType === row.attachment.contentType
+                            && Number(item.size || 0) === Number(row.attachment.size || 0)
+                        )
+                    )
+
+                    if (!attachment) break
+
+                    return {
+                        filename: attachment.filename || row.attachment.filename || "anhang",
+                        contentType: attachment.contentType || row.attachment.contentType || "application/octet-stream",
+                        content: attachment.content,
+                    }
+                }
+            } finally {
+                lock.release()
+            }
+        } finally {
+            await client.logout().catch(() => client.close())
+        }
+
+        return null
+    }
+
    const listMailboxes = async (tenantId: number, userId: string, accountId: string) => {
        return await server.db
            .select()
@@ -546,5 +738,9 @@ export function emailSyncService(server: FastifyInstance) {
        listMessages,
        getMessage,
        setMessageSeen,
+        moveMessage,
+        archiveMessage,
+        deleteMessage,
+        getAttachmentContent,
    }
 }
--- a/backend/src/routes/emailAsUser.ts
+++ b/backend/src/routes/emailAsUser.ts
@@ -393,4 +393,86 @@ export default async function emailAsUserRoutes(server: FastifyInstance) {
        }
    })

+    server.post("/email/messages/:id/move", async (req, reply) => {
+        try {
+            if (!req.user?.tenant_id) {
+                return reply.code(400).send({ error: "No tenant selected" })
+            }
+
+            const { id } = req.params as { id: string }
+            const body = (req.body || {}) as { mailbox?: string }
+
+            if (!body.mailbox) {
+                return reply.code(400).send({ error: "Zielordner fehlt" })
+            }
+
+            const result = await emailSync.moveMessage(
+                req.user.tenant_id,
+                req.user.user_id,
+                id,
+                body.mailbox,
+            )
+
+            if (!result) return reply.code(404).send({ error: "E-Mail nicht gefunden" })
+            return reply.send({ success: true, ...result })
+        } catch (err: any) {
+            req.log.error(err)
+            return reply.code(500).send({ error: err.message || "E-Mail konnte nicht verschoben werden" })
+        }
+    })
+
+    server.post("/email/messages/:id/archive", async (req, reply) => {
+        try {
+            if (!req.user?.tenant_id) {
+                return reply.code(400).send({ error: "No tenant selected" })
+            }
+
+            const { id } = req.params as { id: string }
+            const result = await emailSync.archiveMessage(req.user.tenant_id, req.user.user_id, id)
+
+            if (!result) return reply.code(404).send({ error: "E-Mail nicht gefunden" })
+            return reply.send({ success: true, ...result })
+        } catch (err: any) {
+            req.log.error(err)
+            return reply.code(500).send({ error: err.message || "E-Mail konnte nicht archiviert werden" })
+        }
+    })
+
+    server.delete("/email/messages/:id", async (req, reply) => {
+        try {
+            if (!req.user?.tenant_id) {
+                return reply.code(400).send({ error: "No tenant selected" })
+            }
+
+            const { id } = req.params as { id: string }
+            const result = await emailSync.deleteMessage(req.user.tenant_id, req.user.user_id, id)
+
+            if (!result) return reply.code(404).send({ error: "E-Mail nicht gefunden" })
+            return reply.send({ success: true })
+        } catch (err: any) {
+            req.log.error(err)
+            return reply.code(500).send({ error: err.message || "E-Mail konnte nicht gelöscht werden" })
+        }
+    })
+
+    server.get("/email/attachments/:id/download", async (req, reply) => {
+        try {
+            if (!req.user?.tenant_id) {
+                return reply.code(400).send({ error: "No tenant selected" })
+            }
+
+            const { id } = req.params as { id: string }
+            const attachment = await emailSync.getAttachmentContent(req.user.tenant_id, req.user.user_id, id)
+
+            if (!attachment) return reply.code(404).send({ error: "Anhang nicht gefunden" })
+
+            reply.header("Content-Type", attachment.contentType)
+            reply.header("Content-Disposition", `attachment; filename="${attachment.filename.replace(/"/g, "")}"`)
+            return reply.send(attachment.content)
+        } catch (err: any) {
+            req.log.error(err)
+            return reply.code(500).send({ error: err.message || "Anhang konnte nicht geladen werden" })
+        }
+    })
+
 }