msolarczekandClaude Opus 5
bf4456718e
- Migration 0002_craftvia_domain: 27 Fachtabellen inkl. RLS (enable_tenant_rls) - TENANT_MODELS (db.ts, backup/topology.ts) um alle Fachmodelle ergänzt - moduleGuard liefert DB-autoritative Rechte; ServiceCtx für Domänen-Services - Verträge: Statusmaschine, Events, Nummernkreise, Sichtbarkeits-Scopes, Job-Queues + Worker, KI-Provider-Interfaces, Sync-Envelope - docs/craftvia/ARCHITEKTUR.md mit Lanes, Ownership und DoD Gate: tsc, lint, build, 22/22 Tests grün. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
42 lines
1.5 KiB
TypeScript
42 lines
1.5 KiB
TypeScript
import type { TenantDb } from "@/server/db";
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export type NumberKey = "customer" | "work_order" | "emergency" | "report";
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const DEFAULT_PREFIX: Record<NumberKey, string> = {
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customer: "K-",
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work_order: "A-",
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emergency: "N-",
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report: "B-",
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};
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/**
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* Allocate the next number of a tenant sequence, e.g. "A-00042".
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* The increment is a single UPDATE … RETURNING (atomic); the very first call per key
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* creates the row and retries once if a concurrent call created it first.
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*/
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export async function nextNumber(db: TenantDb, tenantId: string, key: NumberKey): Promise<string> {
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for (let attempt = 0; attempt < 3; attempt++) {
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const existing = await db.numberSequence.findFirst({ where: { tenantId, key }, select: { id: true } });
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if (existing) {
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const seq = await db.numberSequence.update({
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where: { id: existing.id },
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data: { nextValue: { increment: 1 } },
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});
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return format(seq.prefix, seq.nextValue - 1, seq.padding);
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}
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try {
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const seq = await db.numberSequence.create({
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data: { tenantId, key, prefix: DEFAULT_PREFIX[key], nextValue: 2 },
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});
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return format(seq.prefix, 1, seq.padding);
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} catch (err) {
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if ((err as { code?: string }).code !== "P2002") throw err; // unique race → retry via update path
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}
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}
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throw new Error(`could not allocate number for ${key}`);
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}
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function format(prefix: string, value: number, padding: number): string {
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return `${prefix}${String(value).padStart(padding, "0")}`;
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}
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