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MAX_WHATSAPP_RECIPIENTS_PER_PRO,
WHATSAPP_OTP_RESEND_COOLDOWN_SECONDS,
} from "@interioring/utils/constants/whatsapp";
import {
isValidIndianMobile,
normalizeToE164,
} from "@interioring/utils/validation/phone";
import { Hono } from "hono";
import {
AlreadyVerifiedError,
type Dal,
DuplicateRecipientError,
OtpCooldownError,
OtpExpiredError,
OtpMismatchError,
RecipientLimitError,
RecipientNotFoundError,
} from "../../dal";
import type {
CreatedRecipient,
} from "../../dal/pro-whatsapp-recipients.dal";
import type { ProWhatsAppRecipient } from "../../db/schema/pro-whatsapp-recipients";
import { sendWhatsAppOtp } from "../../lib/communication/whatsapp-otp";
import {
AppError,
BadRequestError,
ConflictError,
NotFoundError,
ValidationError,
} from "../../lib/errors";
import { handleError, success } from "../../lib/response";
import type { Services } from "../../services";
import { requireProAccess } from "../../middleware";
import { logger } from "../../lib/logger";
type Env = {
Bindings: CloudflareBindings;
Variables: {
user: { id: string; name: string; email: string } | null;
session: unknown;
dal: Dal;
services: Services;
proId: string;
proRole: string;
};
};
const whatsappRecipients = new Hono<Env>();
const MAX_LABEL_LEN = 32;
function toPublic(r: {
id: number;
proId: string;
label: string;
number: string;
isPrimary: boolean;
notificationsEnabled: boolean;
verifiedAt: Date | null;
otpExpiresAt: Date | null;
otpLastSentAt: Date | null;
dateCreated: Date;
dateUpdated: Date;
}) {
return {
id: r.id,
proId: r.proId,
label: r.label,
number: r.number,
isPrimary: r.isPrimary,
notificationsEnabled: r.notificationsEnabled,
isVerified: r.verifiedAt !== null,
verifiedAt: r.verifiedAt,
otpPendingUntil: r.verifiedAt === null ? r.otpExpiresAt : null,
otpLastSentAt: r.otpLastSentAt,
dateCreated: r.dateCreated,
dateUpdated: r.dateUpdated,
};
}
function parseLabel(input: unknown): string {
Iif (typeof input !== "string") {
throw new ValidationError("label must be a string");
}
const trimmed = input.trim();
if (trimmed.length === 0) {
throw new ValidationError("label cannot be empty");
}
if (trimmed.length > MAX_LABEL_LEN) {
throw new ValidationError(`label must be ${MAX_LABEL_LEN} chars or fewer`);
}
return trimmed;
}
function parseNumber(input: unknown): string {
Iif (typeof input !== "string") {
throw new ValidationError("number must be a string");
}
const trimmed = input.trim();
const digitsOnly = trimmed.replace(/[\s\-()]/g, "");
// Accept either 10-digit national or already E.164.
if (
!isValidIndianMobile(digitsOnly) &&
!normalizeToE164(digitsOnly)
) {
throw new ValidationError("number is not a valid Indian mobile number");
}
const e164 = normalizeToE164(digitsOnly);
Iif (!e164) {
throw new ValidationError("number could not be normalised to E.164");
}
return e164;
}
function parseId(raw: string): number {
const id = Number.parseInt(raw, 10);
if (!Number.isInteger(id) || id <= 0) {
throw new ValidationError("Invalid recipient id");
}
return id;
}
function mapDalError(err: unknown): never {
if (err instanceof RecipientLimitError) {
throw new BadRequestError(err.message);
}
if (err instanceof DuplicateRecipientError) {
throw new ConflictError(err.message);
}
if (err instanceof RecipientNotFoundError) {
throw new NotFoundError("Recipient");
}
if (err instanceof AlreadyVerifiedError) {
throw new ConflictError(err.message);
}
if (err instanceof OtpExpiredError) {
throw new BadRequestError(err.message);
}
if (err instanceof OtpMismatchError) {
throw new BadRequestError(err.message);
}
Eif (err instanceof OtpCooldownError) {
throw new AppError(429, "OTP_COOLDOWN", err.message);
}
throw err;
}
// GET /api/pro/:proId/whatsapp-recipients
whatsappRecipients.get(
"/:proId/whatsapp-recipients",
requireProAccess,
async (c) => {
try {
const dal = c.get("dal");
const proId = c.get("proId");
const rows = await dal.proWhatsAppRecipients.listByProId(proId);
return success(c, {
recipients: rows.map(toPublic),
maxAllowed: MAX_WHATSAPP_RECIPIENTS_PER_PRO,
});
} catch (err) {
return handleError(c, err);
}
},
);
// POST /api/pro/:proId/whatsapp-recipients
whatsappRecipients.post(
"/:proId/whatsapp-recipients",
requireProAccess,
async (c) => {
try {
const dal = c.get("dal");
const proId = c.get("proId");
const user = c.get("user");
const body = await c.req.json<{
label?: unknown;
number?: unknown;
isPrimary?: unknown;
}>();
const label = parseLabel(body.label);
const number = parseNumber(body.number);
const makePrimary = body.isPrimary === true;
let created: CreatedRecipient;
try {
created = await dal.proWhatsAppRecipients.create({
proId,
label,
number,
makePrimary,
actorUserId: user?.id,
});
} catch (err) {
mapDalError(err);
return; // unreachable — mapDalError throws.
}
// Fire OTP via WhatsApp. Failure here logs but doesn't roll back the row;
// the recipient can resend from the UI.
try {
await sendWhatsAppOtp(c.env, created.recipient.number, created.otpCode);
} catch (sendErr) {
logger.error(
"[whatsapp-recipients] OTP send failed for recipient",
created.recipient.id,
sendErr,
);
}
return success(c, { recipient: toPublic(created.recipient) }, 201);
} catch (err) {
return handleError(c, err);
}
},
);
// PATCH /api/pro/:proId/whatsapp-recipients/:id
whatsappRecipients.patch(
"/:proId/whatsapp-recipients/:id",
requireProAccess,
async (c) => {
try {
const dal = c.get("dal");
const proId = c.get("proId");
const user = c.get("user");
const id = parseId(c.req.param("id"));
const body = await c.req.json<{
label?: unknown;
notificationsEnabled?: unknown;
isPrimary?: unknown;
}>();
const patch: {
label?: string;
notificationsEnabled?: boolean;
isPrimary?: boolean;
} = {};
if (body.label !== undefined) patch.label = parseLabel(body.label);
if (body.notificationsEnabled !== undefined) {
Eif (typeof body.notificationsEnabled !== "boolean") {
throw new ValidationError("notificationsEnabled must be a boolean");
}
patch.notificationsEnabled = body.notificationsEnabled;
}
if (body.isPrimary !== undefined) {
if (typeof body.isPrimary !== "boolean") {
throw new ValidationError("isPrimary must be a boolean");
}
Eif (body.isPrimary === false) {
throw new ValidationError(
"Primary cannot be unset directly — promote another recipient instead",
);
}
patch.isPrimary = body.isPrimary;
}
if (Object.keys(patch).length === 0) {
throw new ValidationError("No fields provided");
}
let updated: ProWhatsAppRecipient;
try {
updated = await dal.proWhatsAppRecipients.updatePartial(
id,
proId,
patch,
user?.id,
);
} catch (err) {
mapDalError(err);
return;
}
return success(c, { recipient: toPublic(updated) });
} catch (err) {
return handleError(c, err);
}
},
);
// DELETE /api/pro/:proId/whatsapp-recipients/:id
whatsappRecipients.delete(
"/:proId/whatsapp-recipients/:id",
requireProAccess,
async (c) => {
try {
const dal = c.get("dal");
const proId = c.get("proId");
const user = c.get("user");
const id = parseId(c.req.param("id"));
try {
await dal.proWhatsAppRecipients.delete(id, proId, user?.id);
} catch (err) {
mapDalError(err);
return;
}
return success(c, { deleted: true });
} catch (err) {
return handleError(c, err);
}
},
);
// POST /api/pro/:proId/whatsapp-recipients/:id/verify
whatsappRecipients.post(
"/:proId/whatsapp-recipients/:id/verify",
requireProAccess,
async (c) => {
try {
const dal = c.get("dal");
const proId = c.get("proId");
const user = c.get("user");
const id = parseId(c.req.param("id"));
const body = await c.req.json<{ code?: unknown }>();
if (typeof body.code !== "string" || !/^\d+$/.test(body.code)) {
throw new ValidationError("code must be a numeric string");
}
let updated: ProWhatsAppRecipient;
try {
updated = await dal.proWhatsAppRecipients.verify(
id,
proId,
body.code,
user?.id,
);
} catch (err) {
mapDalError(err);
return;
}
return success(c, { recipient: toPublic(updated) });
} catch (err) {
return handleError(c, err);
}
},
);
// POST /api/pro/:proId/whatsapp-recipients/:id/resend-otp
whatsappRecipients.post(
"/:proId/whatsapp-recipients/:id/resend-otp",
requireProAccess,
async (c) => {
try {
const dal = c.get("dal");
const proId = c.get("proId");
const user = c.get("user");
const id = parseId(c.req.param("id"));
let result: { recipient: ProWhatsAppRecipient; otpCode: string };
try {
result = await dal.proWhatsAppRecipients.regenerateOtp(
id,
proId,
user?.id,
);
} catch (err) {
mapDalError(err);
return;
}
try {
await sendWhatsAppOtp(c.env, result.recipient.number, result.otpCode);
} catch (sendErr) {
logger.error(
"[whatsapp-recipients] resend OTP failed for recipient",
result.recipient.id,
sendErr,
);
}
return success(c, {
recipient: toPublic(result.recipient),
cooldownSeconds: WHATSAPP_OTP_RESEND_COOLDOWN_SECONDS,
});
} catch (err) {
return handleError(c, err);
}
},
);
export default whatsappRecipients;
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