routes/deleteLockCategories: Run Queries in Parallel

This commit is contained in:
Nishant Arora
2021-10-22 00:17:43 -06:00
parent 28dc0fb512
commit 05072f5d22

View File

@@ -6,19 +6,32 @@ import { Category, Service, VideoID } from "../types/segments.model";
import { UserID } from "../types/user.model";
import { getService } from "../utils/getService";
export async function deleteLockCategoriesEndpoint(req: Request, res: Response): Promise<Response> {
interface DeleteLockCategoriesRequest extends Request {
body: {
categories: Category[];
service: string;
userID: UserID;
videoID: VideoID;
};
}
export async function deleteLockCategoriesEndpoint(req: DeleteLockCategoriesRequest, res: Response): Promise<Response> {
// Collect user input data
const videoID = req.body.videoID as VideoID;
const userID = req.body.userID as UserID;
const categories = req.body.categories as Category[];
const service = getService(req.body.service);
const {
body: {
videoID,
userID,
categories,
service
}
} = req;
// Check input data is valid
if (!videoID
|| !userID
|| !categories
|| !Array.isArray(categories)
|| categories.length === 0
if (!videoID ||
!userID ||
!categories ||
!Array.isArray(categories) ||
categories.length === 0
) {
return res.status(400).json({
message: "Bad Format",
@@ -35,9 +48,9 @@ export async function deleteLockCategoriesEndpoint(req: Request, res: Response):
});
}
await deleteLockCategories(videoID, categories, service);
await deleteLockCategories(videoID, categories, getService(service));
return res.status(200).json({ message: `Removed lock categories entrys for video ${videoID}` });
return res.status(200).json({ message: `Removed lock categories entries for video ${videoID}` });
}
/**
@@ -47,17 +60,21 @@ export async function deleteLockCategoriesEndpoint(req: Request, res: Response):
* @param service
*/
export async function deleteLockCategories(videoID: VideoID, categories: Category[], service: Service): Promise<void> {
const entries = (
await db.prepare("all", 'SELECT * FROM "lockCategories" WHERE "videoID" = ? AND "service" = ?', [videoID, service]))
.filter((entry: any) => {
return categories === null || categories.indexOf(entry.category) !== -1;
});
type DBEntry = { category: Category };
const dbEntries = await db.prepare(
"all",
'SELECT * FROM "lockCategories" WHERE "videoID" = ? AND "service" = ?',
[videoID, service]
) as Array<DBEntry>;
for (const entry of entries) {
await db.prepare(
const entries = dbEntries.filter(
({ category }: DBEntry) => categories === null || categories.indexOf(category) !== -1);
await Promise.all(
entries.map(({ category }: DBEntry) => db.prepare(
"run",
'DELETE FROM "lockCategories" WHERE "videoID" = ? AND "service" = ? AND "category" = ?',
[videoID, service, entry.category]
);
}
[videoID, service, category]
))
);
}