Refactored a bunch of shit

src/lib/formatTime.ts

@@ -25,3 +25,16 @@ export function formatTimeRange(start: Date, end: Date | null): string {
   const ms = end.getTime() - start.getTime();
   return formatDuration(ms);
 }
+
+/**
+ * Formats a cent-based amount as a currency string.
+ * @param amount - Amount in cents (e.g. 1500 = $15.00)
+ * @param currency - ISO 4217 currency code (default: 'USD')
+ * @returns Formatted currency string like "$15.00"
+ */
+export function formatCurrency(amount: number, currency: string = "USD"): string {
+  return new Intl.NumberFormat("en-US", {
+    style: "currency",
+    currency: currency,
+  }).format(amount / 100);
+}

src/lib/getCurrentTeam.ts

@@ -0,0 +1,24 @@
+import { db } from '../db';
+import { members } from '../db/schema';
+import { eq } from 'drizzle-orm';
+
+type User = { id: string; [key: string]: any };
+
+/**
+ * Get the current team membership for a user based on the currentTeamId cookie.
+ * Returns the membership row, or null if the user has no memberships.
+ */
+export async function getCurrentTeam(user: User, currentTeamId?: string | null) {
+  const userMemberships = await db.select()
+    .from(members)
+    .where(eq(members.userId, user.id))
+    .all();
+
+  if (userMemberships.length === 0) return null;
+
+  const membership = currentTeamId
+    ? userMemberships.find(m => m.organizationId === currentTeamId) || userMemberships[0]
+    : userMemberships[0];
+
+  return membership;
+}

src/lib/validation.ts

@@ -2,6 +2,30 @@ import { db } from "../db";
 import { clients, tags as tagsTable } from "../db/schema";
 import { eq, and } from "drizzle-orm";
 
+export const MAX_LENGTHS = {
+  name: 255,
+  email: 320,
+  password: 128,
+  phone: 50,
+  address: 255, // street, city, state, zip, country
+  currency: 10,
+  invoiceNumber: 50,
+  invoiceNotes: 5000,
+  itemDescription: 2000,
+  description: 2000, // time entry description
+} as const;
+
+export function exceedsLength(
+  field: string,
+  value: string | null | undefined,
+  maxLength: number,
+): string | null {
+  if (value && value.length > maxLength) {
+    return `${field} must be ${maxLength} characters or fewer`;
+  }
+  return null;
+}
+
 export async function validateTimeEntryResources({
   organizationId,
   clientId,
@@ -60,3 +84,9 @@ export function validateTimeRange(
 
   return { valid: true, startDate, endDate };
 }
+
+const EMAIL_REGEX = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+
+export function isValidEmail(email: string): boolean {
+  return EMAIL_REGEX.test(email) && email.length <= 320;
+}