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http sse for progress

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This commit is contained in:
Julian Krauser 2024-12-31 14:23:14 +01:00
parent 728c4e05fa
commit e693bd9aa3
3 changed files with 213 additions and 6 deletions
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76
src/controller/admin/newsletterController.ts
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@ -17,7 +17,7 @@ import { PdfExport } from "../../helpers/pdfExport";
import UserService from "../../service/userService";
import { TemplateHelper } from "../../helpers/templateHelper";
import MailHelper from "../../helpers/mailHelper";
import { NewsletterHelper } from "../../helpers/newsletterHelper";
import { NewsletterEventType, NewsletterHelper } from "../../helpers/newsletterHelper";
import { Salutation } from "../../enums/salutation";
/**
@ -179,6 +179,43 @@ export async function createNewsletter(req: Request, res: Response): Promise<any
res.send(id);
}
/**
* @description get newsletter printout progress by id
* @param req {Request} Express req object
* @param res {Response} Express res object
* @returns {Promise<*>}
*/
export async function getNewsletterPrintoutProgressById(req: Request, res: Response): Promise<any> {
let newsletterId = parseInt(req.params.newsletterId);
res.setHeader("Content-Type", "text/event-stream");
res.setHeader("Cache-Control", "no-cache");
res.setHeader("Connection", "keep-alive");
res.flushHeaders();
const progressHandler = (data: NewsletterEventType) => {
if (data.newsletterId == newsletterId && data.kind == "pdf") {
res.write(JSON.stringify(data));
}
};
const completeHandler = (data: NewsletterEventType) => {
if (data.newsletterId == newsletterId && data.kind == "pdf") {
res.write(JSON.stringify(data));
res.end();
}
};
NewsletterHelper.jobStatus.on("progress", progressHandler);
NewsletterHelper.jobStatus.on("complete", completeHandler);
req.on("close", () => {
NewsletterHelper.jobStatus.off("progress", progressHandler);
NewsletterHelper.jobStatus.off("complete", completeHandler);
});
}
/**
* @description create newsletter printouts for each member by id
* @param req {Request} Express req object
@ -241,6 +278,43 @@ export async function sendNewsletterById(req: Request, res: Response): Promise<a
res.sendStatus(204);
}
/**
* @description get newsletter sending progress by id
* @param req {Request} Express req object
* @param res {Response} Express res object
* @returns {Promise<*>}
*/
export async function getNewsletterSendingProgressById(req: Request, res: Response): Promise<any> {
let newsletterId = parseInt(req.params.newsletterId);
res.setHeader("Content-Type", "text/event-stream");
res.setHeader("Cache-Control", "no-cache");
res.setHeader("Connection", "keep-alive");
res.flushHeaders();
const progressHandler = (data: NewsletterEventType) => {
if (data.newsletterId == newsletterId && data.kind == "mail") {
res.write(JSON.stringify(data));
}
};
const completeHandler = (data: NewsletterEventType) => {
if (data.newsletterId == newsletterId && data.kind == "mail") {
res.write(JSON.stringify(data));
res.end();
}
};
NewsletterHelper.jobStatus.on("progress", progressHandler);
NewsletterHelper.jobStatus.on("complete", completeHandler);
req.on("close", () => {
NewsletterHelper.jobStatus.off("progress", progressHandler);
NewsletterHelper.jobStatus.off("complete", completeHandler);
});
}
/**
* @description synchronize newsletter by id
* @param req {Request} Express req object