Added Backend

2026-01-06 12:07:43 +01:00
parent b013ef8f4b
commit 6f3d4c0bff
165 changed files with 0 additions and 0 deletions
--- a/backend/src/utils/files.ts
+++ b/backend/src/utils/files.ts
@@ -0,0 +1,95 @@
+import { PutObjectCommand } from "@aws-sdk/client-s3"
+import { s3 } from "./s3"
+import { secrets } from "./secrets"
+
+// Drizzle schema
+import { files } from "../../db/schema"
+import { eq } from "drizzle-orm"
+import { FastifyInstance } from "fastify"
+
+export const saveFile = async (
+    server: FastifyInstance,
+    tenant: number,
+    messageId: string | number | null, // Typ angepasst (oft null bei manueller Gen)
+    attachment: any, // Kann File, Buffer oder Mailparser-Objekt sein
+    folder: string | null,
+    type: string | null,
+    other: Record<string, any> = {}
+) => {
+    try {
+        // ---------------------------------------------------
+        // 1️⃣ FILE ENTRY ANLEGEN
+        // ---------------------------------------------------
+        const insertRes = await server.db
+            .insert(files)
+            .values({
+                tenant,
+                folder,
+                type,
+                ...other
+            })
+            .returning()
+
+        const created = insertRes?.[0]
+        if (!created) {
+            console.error("File creation failed (no row returned)")
+            return null
+        }
+
+        // Name ermitteln (Fallback Logik)
+        // Wenn attachment ein Buffer ist, muss der Name in 'other' stehen oder generiert werden
+        const filename = attachment.filename || other.filename || `${created.id}.pdf`
+
+        // ---------------------------------------------------
+        // 2️⃣ BODY & CONTENT TYPE ERMITTELN
+        // ---------------------------------------------------
+        let body: Buffer | Uint8Array | string
+        let contentType = type || "application/octet-stream"
+
+        if (Buffer.isBuffer(attachment)) {
+            // FALL 1: RAW BUFFER (von finishManualGeneration)
+            body = attachment
+            // ContentType wurde oben schon über 'type' Parameter gesetzt (z.B. application/pdf)
+        } else if (typeof File !== "undefined" && attachment instanceof File) {
+            // FALL 2: BROWSER FILE
+            body = Buffer.from(await attachment.arrayBuffer())
+            contentType = attachment.type || contentType
+        } else if (attachment.content) {
+            // FALL 3: MAILPARSER OBJECT
+            body = attachment.content
+            contentType = attachment.contentType || contentType
+        } else {
+            console.error("saveFile: Unknown attachment format")
+            return null
+        }
+
+        // ---------------------------------------------------
+        // 3️⃣ S3 UPLOAD
+        // ---------------------------------------------------
+        const key = `${tenant}/filesbyid/${created.id}/${filename}`
+
+        await s3.send(
+            new PutObjectCommand({
+                Bucket: secrets.S3_BUCKET,
+                Key: key,
+                Body: body,
+                ContentType: contentType,
+                ContentLength: body.length // <--- WICHTIG: Behebt den AWS Fehler
+            })
+        )
+
+        // ---------------------------------------------------
+        // 4️⃣ PATH IN DB SETZEN
+        // ---------------------------------------------------
+        await server.db
+            .update(files)
+            .set({ path: key })
+            .where(eq(files.id, created.id))
+
+        console.log(`File saved: ${key}`)
+        return { id: created.id, key }
+    } catch (err) {
+        console.error("saveFile error:", err)
+        return null
+    }
+}