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g1t/apps/sudo/app/lib/ledgers.ts

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sudo: Invoices, Audit log, and follow-ups due1/**
2 * The Invoices and Audit log pages' arithmetic and wording: filters read
3 * from the address, totals, links from billing's account ids to sudo's
4 * pages, and paging. No Workers imports, so it can be tested under Node.
5 */
6import type { AdminAction, InvoiceSummary } from "@g1t/contracts";
7
8// --- Invoices -----------------------------------------------------------------
9
10export const INVOICE_STATUSES = ["open", "overdue", "failed", "paid", "void"] as const;
11export type InvoiceStatusFilter = (typeof INVOICE_STATUSES)[number];
12
13export function parseInvoiceStatus(value: string | null): InvoiceStatusFilter | null {
14 return INVOICE_STATUSES.find((status) => status === value) ?? null;
15}
16
17/** A month as `<input type="month">` sends it: `2026-10`. */
18export function parseMonth(value: string | null): string | null {
19 if (!value || !/^\d{4}-(0[1-9]|1[0-2])$/.test(value)) return null;
20 return value;
21}
22
23/** Not paid and not void: what is still owed. */
24export function isOutstanding(status: string): boolean {
25 return status === "open" || status === "overdue" || status === "failed";
26}
27
28export type InvoiceTotals = { count: number; amountMicros: number; paidMicros: number; outstandingMicros: number; outstanding: number };
29
30export function invoiceTotals(invoices: Pick<InvoiceSummary, "amountMicros" | "status">[]): InvoiceTotals {
31 const totals: InvoiceTotals = { count: invoices.length, amountMicros: 0, paidMicros: 0, outstandingMicros: 0, outstanding: 0 };
32 for (const invoice of invoices) {
33 if (invoice.status === "void") continue;
34 totals.amountMicros += invoice.amountMicros;
35 if (invoice.status === "paid") totals.paidMicros += invoice.amountMicros;
36 if (isOutstanding(invoice.status)) {
37 totals.outstandingMicros += invoice.amountMicros;
38 totals.outstanding += 1;
39 }
40 }
41 return totals;
42}
43
44/** A link to the invoices list with these filters; the defaults are left out. */
45export function invoicesHref({ status, month }: { status?: string | null; month?: string | null }): string {
46 const params = new URLSearchParams();
47 if (status) params.set("status", status);
48 if (month) params.set("month", month);
49 const query = params.toString();
50 return query ? `/invoices?${query}` : "/invoices";
51}
52
53/** Only https links to Stripe are followed. */
54export function safeUrl(url: string | null | undefined): string | null {
55 return url && url.startsWith("https://") ? url : null;
56}
57
58// --- Accounts -------------------------------------------------------------------
59
60const SLUG = /^[a-z0-9](?:[a-z0-9]|-(?=[a-z0-9])){0,38}$/;
61const ENTERPRISE = /^ent_[a-z0-9_-]{1,80}$/;
62
63/**
64 * The sudo page for one of billing's account ids: `ws_<slug>` is the
65 * workspace's, `ent_…` the enterprise's. Null for anything else, such as
66 * Stripe's own lines.
67 */
68export function accountPath(account: string | null | undefined): string | null {
69 const id = (account ?? "").trim().toLowerCase();
70 if (ENTERPRISE.test(id)) return `/enterprises/${encodeURIComponent(id)}`;
71 if (id.startsWith("ws_") && SLUG.test(id.slice(3))) return `/workspaces/${encodeURIComponent(id.slice(3))}`;
72 return null;
73}
74
75/** What to call an account: a workspace by its slug, an enterprise by its name when known. */
76export function accountName(account: string, names: Map<string, string> = new Map()): string {
77 if (names.has(account)) return names.get(account) as string;
78 if (account.startsWith("ws_")) return account.slice(3);
79 if (ENTERPRISE.test(account)) return "an enterprise";
80 return account;
81}
82
83// --- Audit ----------------------------------------------------------------------
84
85/** Each kind of change, as staff read it. */
86export const AUDIT_ACTIONS: Record<string, string> = {
87 terms: "Terms changed",
Team plan, an open-source pool, monthly trials and honest metering; the sidebar for everyone; a workspace that stays put88 allowances: "Plan and pools changed",
sudo: Invoices, Audit log, and follow-ups due89 create: "Enterprise created",
90 attach: "Workspace added",
91 detach: "Workspace removed",
92 credit: "Credit issued",
93 billing_link: "Billing link made",
94 billing_email: "Invoice email set",
95 invoice: "Invoice sent",
96 dispute: "Payment disputed",
97 sales: "Sales record changed",
98 note: "Sales note added",
99 stripe: "From Stripe",
100 webhook: "Stripe webhook registered",
101};
102
103export function actionLabel(action: string): string {
104 return AUDIT_ACTIONS[action] ?? action.replace(/_/g, " ").replace(/^./, (char) => char.toUpperCase());
105}
106
107export const AUDIT_PAGE = 100;
108
109/** Where the next, older page starts: after the last line, if this page was full. */
110export function olderBefore(actions: Pick<AdminAction, "createdAt">[], page = AUDIT_PAGE): string | null {
111 return actions.length >= page ? (actions.at(-1)?.createdAt ?? null) : null;
112}
113
114/** A staff email filter: lowercased, at most one address's length. */
115export function parseBy(value: string | null): string | null {
116 const by = (value ?? "").trim().toLowerCase();
117 return by && by.length <= 254 && !/\s/.test(by) ? by : null;
118}
119
120export function parseAction(value: string | null): string | null {
121 const action = (value ?? "").trim();
122 return /^[a-z_]{1,40}$/.test(action) ? action : null;
123}
124
125/** An RFC 3339 time to page from. */
126export function parseBefore(value: string | null): string | null {
127 if (!value || value.length > 40 || Number.isNaN(new Date(value).getTime())) return null;
128 return value;
129}
130
131export function auditHref({ by, action, before }: { by?: string | null; action?: string | null; before?: string | null }): string {
132 const params = new URLSearchParams();
133 if (by) params.set("by", by);
134 if (action) params.set("action", action);
135 if (before) params.set("before", before);
136 const query = params.toString();
137 return query ? `/audit?${query}` : "/audit";
138}