resolve #56

.gitignore

@@ -1,3 +1,4 @@
 .idea
 .vscode
 node_modules
+dumps/

backend/package.json

@@ -18,6 +18,8 @@
         "axios": "^1.4.0",
         "bcryptjs": "^2.4.3",
         "cors": "^2.8.5",
+        "cron": "^3.1.7",
+        "cross-spawn": "^7.0.3",
         "date-fns": "^2.30.0",
         "dotenv": "^16.0.3",
         "fastify": "^4.17.0",

backend/src/server.ts

@@ -3,11 +3,13 @@ import * as Fastify from "fastify";
 import cors from "cors";
 import fastifyMiddie from "@fastify/middie";
 import fastifyMultipart from "@fastify/multipart";
+import { CronJob } from "cron";
 import { closeDatabase, connectDatabase } from "@/database";
 import APIHandler from "@/api";
 import StaticHandler from "@/static";
 import UploadHandler from "@/upload";
 import PageHandler from "@/page";
+import { dumpDatabase, removeOldDumps } from "@/utils/database";
 //import NotFoundHandler from "@/notFound";
 
 async function init() {
@@ -50,3 +52,20 @@ process.on("SIGINT", async function() {
     await closeDatabase();
     process.exit(1);
 });
+
+
+const dumpDatabaseJob = new CronJob(
+    "0 0 0 * * *",
+    dumpDatabase,
+    null,
+    true, 
+    "Europe/Paris"
+);
+
+const deleteOldDumpJob = new CronJob(
+    "0 30 0 * * *",
+    removeOldDumps,
+    null,
+    true, 
+    "Europe/Paris"
+);

backend/src/utils/database.ts

@@ -0,0 +1,43 @@
+import * as fs from "node:fs";
+import * as cs from "cross-spawn";
+
+const BACKUP_RETENTION_DAYS = 30;
+
+export async function dumpDatabase() {
+    const dumpDate = new Date().toLocaleDateString("fr-fr",{ day: "2-digit", month: "2-digit", year: "numeric" }).replaceAll("/", "-");
+    const folderName = `../dumps/${ dumpDate }`;
+    try {
+        if (!fs.existsSync("../dumps")) {
+            fs.mkdirSync("../dumps");
+        }
+        if (!fs.existsSync(folderName)) {
+            fs.mkdirSync(folderName);
+        }
+    }
+    catch (err) {
+        console.error(err);
+    }
+
+    const child = cs.spawn("mongodump", ["--db", "sgnw", "--out", `../dumps/${ dumpDate }`], { stdio: "inherit" });
+}
+
+export async function removeOldDumps() {
+    const currentDate = new Date();
+    const folderName = "../dumps/";
+
+    fs.readdir(folderName,{ encoding: "utf-8" }, (err, files) => {
+        if (err) 
+            console.log(err); 
+        else { 
+            files.forEach(file => { 
+                const [day, month, year] = file.split("-").map(Number);
+                const dumpDate = new Date(year, month - 1, day);
+                const Difference_In_Days = Math.floor((currentDate.getTime() - dumpDate.getTime()) / (1000 * 3600 * 24));
+
+                if (Difference_In_Days > BACKUP_RETENTION_DAYS) {
+                    fs.rmdirSync(`${ folderName }/${ file }`, { recursive: true }); 
+                }
+            });
+        }
+    });
+}

backend/tsconfig.json

@@ -24,4 +24,4 @@
     "exclude": [
         "node_modules"
     ]
-}
+}