259 lines
10 KiB
JavaScript
259 lines
10 KiB
JavaScript
import { Router } from 'express'
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import { config } from '../config.js'
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import { getSessionCustomerId, requireSession } from '../middleware/session.js'
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import { getDocument, listDocuments, Query } from '../services/appwriteAdmin.js'
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import { signFileLink } from '../services/signedLinks.js'
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import { withLocks } from '../services/keyedLock.js'
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import { nachweisTexte } from '../services/bestelltexte.js'
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import { kundenartWirksam } from '../services/kundenart.js'
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import { fassungDerAnfrage, speichereNachweisFuerRoute } from '../services/vertragsNachweis.js'
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import {
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answerQuestion,
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applyTakeoverCredit,
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calculationText,
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computeTakeoverCredit,
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createTakeoverRequest,
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customerView,
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decideTakeoverRequest,
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getAdminDetail,
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getTakeoverRequest,
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listTakeoverRequests,
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parseUploads,
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readInvoiceFigures,
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readUpload,
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servicesLabel,
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shortRef,
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STATUS,
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validateRequestInput,
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} from '../services/takeoverCredits.js'
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/**
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* Uebernahmegutschrift.
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* Kunde: /api/abo/takeover-credits (Antrag stellen, Rueckfrage beantworten)
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* Team: /api/team/takeover-credits (Ticketsystem: Liste, Pruefung, Entscheidung, Nachweise)
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* Der JSON-Body darf hier groesser sein (Nachweise als Base64), siehe server/index.js.
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*/
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// Missbrauchsschutz: je Kunde hoechstens 20 Versuche pro Stunde (zusaetzlich max. 3 offene Antraege)
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const recentByCustomer = new Map()
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function rateLimited(customerId) {
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const now = Date.now()
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const list = (recentByCustomer.get(customerId) || []).filter((t) => now - t < 60 * 60 * 1000)
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list.push(now)
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recentByCustomer.set(customerId, list)
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return list.length > 20
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}
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function sendError(res, err, fallback) {
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const status = err.status || 500
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if (status >= 500) console.error('[takeover]', fallback, err.message)
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return res.status(status).json({ error: err.message || fallback })
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}
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// ---------------------------------------------------------------------------
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// Kunde (eingeloggt)
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// ---------------------------------------------------------------------------
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const router = Router()
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router.use(requireSession)
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router.get('/', async (req, res) => {
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try {
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const docs = await listTakeoverRequests({ customerId: getSessionCustomerId(req) })
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return res.json({
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requests: docs.map(customerView),
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conditionsVersion: config.takeover.conditionsVersion,
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limits: {
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maxFiles: config.takeover.maxFiles,
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maxFileBytes: config.takeover.maxFileBytes,
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maxTotalBytes: config.takeover.maxTotalBytes,
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},
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})
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} catch (err) {
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return sendError(res, err, 'Anträge konnten nicht geladen werden')
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}
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})
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router.post('/', async (req, res) => {
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if (req.session.viewAs) {
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return res.status(403).json({ error: 'In der Kundenansicht kann kein Antrag gestellt werden.' })
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}
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const customerId = getSessionCustomerId(req)
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if (rateLimited(customerId)) {
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return res.status(429).json({ error: 'Zu viele Anträge in kurzer Zeit. Bitte später erneut versuchen.' })
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}
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try {
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const input = validateRequestInput(req.body || {})
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const uploads = parseUploads(req.body.files, { required: true })
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const customer = await getDocument(config.collections.customers, customerId)
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// Fassung 6 (neue Ansicht, body.termsVersion = config.abo.termsVersionNeu): Satz und Knopf werden als Nachweis gespeichert, bevor der
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// Antrag entsteht; die Kundenart kommt aus dem Kundendokument, nie aus dem Body. Ohne Fassung 6 bleibt alles wie bisher.
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if (fassungDerAnfrage(req, req.body.termsVersion) === 'neu') {
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await speichereNachweisFuerRoute({
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customerId,
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art: 'gutschrift',
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bezug: '',
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texte: nachweisTexte('gutschrift', {}),
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fassungen: { zustimmung: config.takeover.conditionsVersion },
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kundenart: kundenartWirksam(customer),
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req,
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at: new Date().toISOString(),
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})
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}
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const doc = await createTakeoverRequest({ customer, input, uploads, consentIp: req.ip })
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return res.status(201).json({ request: customerView(doc) })
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} catch (err) {
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return sendError(res, err, 'Antrag konnte nicht gespeichert werden')
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}
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})
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router.post('/:id/reply', async (req, res) => {
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if (req.session.viewAs) {
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return res.status(403).json({ error: 'In der Kundenansicht nicht möglich.' })
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}
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const customerId = getSessionCustomerId(req)
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if (rateLimited(customerId)) {
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return res.status(429).json({ error: 'Zu viele Anfragen in kurzer Zeit. Bitte später erneut versuchen.' })
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}
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try {
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const doc = await getTakeoverRequest(req.params.id).catch(() => null)
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if (!doc || doc.customerId !== customerId) return res.status(404).json({ error: 'Antrag nicht gefunden' })
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const uploads = parseUploads(req.body?.files, { required: false })
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const customer = await getDocument(config.collections.customers, customerId)
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const updated = await answerQuestion({ customer, doc, message: req.body?.message, uploads })
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return res.json({ request: customerView(updated) })
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} catch (err) {
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return sendError(res, err, 'Antwort konnte nicht gespeichert werden')
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}
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})
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export default router
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// ---------------------------------------------------------------------------
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// Team (eingehaengt in routes/team/index.js, dort hinter requireStaffJwt)
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// ---------------------------------------------------------------------------
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export const takeoverAdminRouter = Router()
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takeoverAdminRouter.get('/', async (req, res) => {
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try {
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const [docs, customers] = await Promise.all([
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listTakeoverRequests(),
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listDocuments(config.collections.customers, [Query.limit(1000)]),
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])
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const byId = new Map(customers.map((c) => [c.$id, c]))
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const onlyOpen = req.query.status !== 'all'
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// ?customerId= (Kunden-Reiter im Ticketsystem); openCount zaehlt weiter alle offenen Antraege
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const customerId = typeof req.query.customerId === 'string' ? req.query.customerId : ''
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const requests = docs
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.filter((d) => !customerId || d.customerId === customerId)
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.filter((d) => !onlyOpen || d.status === STATUS.open || d.status === STATUS.question)
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.map((d) => {
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const c = byId.get(d.customerId)
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return {
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id: d.$id,
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ref: shortRef(d.$id),
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createdAt: d.$createdAt,
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customerId: d.customerId,
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customerName: c?.name || c?.companyName || d.email,
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customerCode: c?.code || '',
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services: servicesLabel(d.services),
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provider: d.provider || '',
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domain: d.domain || '',
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invoiceAmountCents: d.invoiceAmountCents || 0,
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billingMonths: d.billingMonths || 0,
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paidUntil: d.paidUntil || null,
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status: d.status,
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amountCents: d.amountCents ?? null,
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appliedAt: d.appliedAt || null,
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}
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})
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return res.json({ requests, openCount: docs.filter((d) => d.status === STATUS.open).length })
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} catch (err) {
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return sendError(res, err, 'Anträge konnten nicht geladen werden')
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}
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})
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/** Rechner im Pruefformular: dieselbe Berechnung wie beim Genehmigen (eine Quelle der Wahrheit). */
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takeoverAdminRouter.post('/calc', (req, res) => {
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try {
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const figures = readInvoiceFigures(req.body, {})
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const calc = computeTakeoverCredit({ ...figures, takeoverFrom: req.body?.takeoverFrom })
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if (!calc) return res.status(400).json({ error: 'Bitte das Datum „Übernahme ab“ angeben.' })
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return res.json({ calc, text: calculationText(figures, calc, calc.suggestedCents) })
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} catch (err) {
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return sendError(res, err, 'Berechnung fehlgeschlagen')
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}
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})
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takeoverAdminRouter.get('/open-count', async (_req, res) => {
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try {
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const docs = await listTakeoverRequests()
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return res.json({ open: docs.filter((d) => d.status === STATUS.open).length })
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} catch {
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return res.json({ open: 0 })
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}
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})
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// Nachweise bekommen einen signierten Link (15 min) auf den Team-Eingang: das Ticketsystem oeffnet sie ohne
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// Authorization-Header (routes/team/files.js). Bei jedem Oeffnen des Antrags neu signiert.
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function withSignedFileUrls(detail, now = Date.now()) {
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const id = detail.request.id
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const base = `${config.publicBaseUrl}/api/team/takeover-credits/${encodeURIComponent(id)}/files`
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const files = detail.request.files.map((file) => {
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const { exp, sig } = signFileLink({ kind: 'takeover', customerId: id, id: file.id, now })
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return { ...file, url: `${base}/${encodeURIComponent(file.id)}?exp=${exp}&sig=${sig}` }
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})
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return { ...detail, request: { ...detail.request, files } }
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}
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takeoverAdminRouter.get('/:id', async (req, res) => {
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try {
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return res.json(withSignedFileUrls(await getAdminDetail(req.params.id)))
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} catch (err) {
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return sendError(res, err, 'Antrag konnte nicht geladen werden')
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}
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})
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takeoverAdminRouter.get('/:id/files/:fileId', async (req, res) => {
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try {
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const doc = await getTakeoverRequest(req.params.id)
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const { file, content } = await readUpload(doc, req.params.fileId)
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res.setHeader('Content-Type', file.type)
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res.setHeader('Content-Disposition', `inline; filename*=UTF-8''${encodeURIComponent(file.name)}`)
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res.setHeader('X-Content-Type-Options', 'nosniff')
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res.setHeader('Cache-Control', 'private, no-store')
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return res.send(content)
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} catch (err) {
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return res.status(err.status || 500).send(err.message || 'Datei nicht verfügbar')
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}
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})
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takeoverAdminRouter.post('/:id/decision', async (req, res) => {
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try {
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const admin = { name: req.session.adminName || req.session.name, email: req.session.adminEmail || req.session.email }
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// Je Antrag nur eine Entscheidung gleichzeitig: wer zweitens kommt, sieht den neuen Status (409 "bereits entschieden")
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const result = await withLocks([`takeover:${req.params.id}`], () => decideTakeoverRequest(req.params.id, req.body || {}, admin))
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return res.json({
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success: true,
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status: result.doc.status,
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applied: result.applied ?? null,
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reason: result.reason || '',
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mailSent: result.mail?.sent ?? false,
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mailError: result.mail?.reason || '',
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})
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} catch (err) {
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return sendError(res, err, 'Entscheidung konnte nicht gespeichert werden')
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}
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})
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/** Genehmigte, aber noch nicht verrechnete Gutschrift erneut an Stripe senden. */
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takeoverAdminRouter.post('/:id/apply', async (req, res) => {
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try {
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const result = await withLocks([`takeover:${req.params.id}`], async () => applyTakeoverCredit(await getTakeoverRequest(req.params.id)))
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return res.json({ success: result.applied, applied: result.applied, reason: result.reason || '' })
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} catch (err) {
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return sendError(res, err, 'Verrechnung fehlgeschlagen')
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}
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})
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