71 lines
2.0 KiB
TypeScript
71 lines
2.0 KiB
TypeScript
/**
|
|
* Turns the rows of `notifications`, once checked, into the {@link
|
|
* Notification} that `GET /api/notifications` answers.
|
|
*
|
|
* @module
|
|
*/
|
|
|
|
import type { SQLOutputValue } from "node:sqlite";
|
|
import type {
|
|
Notification,
|
|
NotificationData,
|
|
NotificationType,
|
|
} from "../../shared/notification.ts";
|
|
|
|
/**
|
|
* Stored by the triggers of `notification-service.ts`, and read back by
|
|
* `getNotificationsForUser`.
|
|
*/
|
|
export interface NotificationRow {
|
|
id: string;
|
|
user_id: string;
|
|
/** A {@link NotificationType}, not checked by the guard. */
|
|
type: string;
|
|
/** The {@link NotificationData} as JSON, not checked by the guard. */
|
|
data: string;
|
|
/** 0 or 1. */
|
|
read: number;
|
|
created_at: string;
|
|
/**
|
|
* Names the event that caused the notification. A unique index keeps a
|
|
* second row with the same `(user_id, source_key)` out; null allows
|
|
* duplicates.
|
|
*/
|
|
source_key: string | null;
|
|
[key: string]: SQLOutputValue;
|
|
}
|
|
|
|
/**
|
|
* Checks whether `obj`, a row `getNotificationsForUser` selected, is a
|
|
* {@link NotificationRow}.
|
|
*/
|
|
export function isNotificationRow(
|
|
obj: unknown,
|
|
): obj is NotificationRow {
|
|
return !!obj && typeof obj === "object" &&
|
|
"id" in obj && typeof obj.id === "string" &&
|
|
"user_id" in obj && typeof obj.user_id === "string" &&
|
|
"type" in obj && typeof obj.type === "string" &&
|
|
"data" in obj && typeof obj.data === "string" &&
|
|
"read" in obj && typeof obj.read === "number" &&
|
|
"created_at" in obj && typeof obj.created_at === "string" &&
|
|
"source_key" in obj &&
|
|
(typeof obj.source_key === "string" || obj.source_key === null);
|
|
}
|
|
|
|
/**
|
|
* Converts a row to the {@link Notification} the client gets.
|
|
*
|
|
* @throws {SyntaxError} When `data` isn't valid JSON.
|
|
*/
|
|
export function notificationRowToApi(row: NotificationRow): Notification {
|
|
return {
|
|
id: row.id,
|
|
userId: row.user_id,
|
|
type: row.type as NotificationType,
|
|
data: JSON.parse(row.data) as NotificationData,
|
|
read: Boolean(row.read),
|
|
createdAt: new Date(row.created_at),
|
|
};
|
|
}
|