sse pls end me

index.js

@@ -54,7 +54,8 @@ app.use(`${basepath}/accounts`, accountsRoute);
 app.use(`${basepath}/transactions`, transactionsRoute);
 app.use(`${basepath}/`, resetRoute.router);
 
-app.get("/live", resetRoute.socketConnectionRequest)
+app.get("/live", resetRoute.mysse)
+
 
 app.get("/", (req, res) => {
     res.sendFile( path.join( __dirname, 'client', 'index.html'))

routes/accounts.js

@@ -24,8 +24,16 @@ router.post("/", (req, res) => {
     const new_acc = db.prepare(`INSERT INTO accounts (number, name, qualifiedName, description, type, balance, localBalance) VALUES (?, ?, ? ,?, ?, 0, 0)`).run(number ,name, qualifiedName,des, type)
     res.status(204).send()
 
+    for (res of update.values()) {
+        // res.write("data: update\n\n")
+        res.write('event: update\n');
+        res.write('data: {}\n\n');
+
+    }
+
 });
 
+// TODO add correct balance
 router.get("/:account", (req, res) => {
     const acc = db
         .prepare("SELECT * FROM accounts WHERE name = ?")
@@ -53,6 +61,7 @@ router.get("/:account", (req, res) => {
         WHERE transaction_entries.account_name = ?`).all(req.params.account)
         acc['entries'] = entries
         res.send(acc);
+
     }
 });
 
@@ -75,6 +84,13 @@ router.put("/:account", (req, res) => {
         })
     } else {
         res.status(204).send()
+        for (res of update.values()) {
+            // res.write("data: update\n\n")
+            res.write('event: update\n');
+            res.write('data: {}\n\n');
+
+        }
+
     }
 });
 
@@ -82,6 +98,13 @@ router.delete("/:account", (req, res) => {
     const acc = db.prepare("DELETE FROM accounts WHERE name = ? RETURNING *").run(req.params.account)
 
     res.status(200).send()
+    for (res of update.values()) {
+        // res.write("data: update\n\n")
+        res.write('event: update\n');
+        res.write('data: {}\n\n');
+
+    }
+
 });
 
 

routes/reset.js

@@ -19,9 +19,38 @@ function socketConnectionRequest(req, res, next) {
     console.log('New connection established')
 }
 
-function publishMessageToConnectedSockets(data) {
-    console.log("something changed")
-    socket.write(`update: ${data}\n`);
+const update = new Map()
+async function mysse(req, res) {
+    console.log('Got /events');
+    
+    res.set({
+        'Cache-Control': 'no-cache',
+        'Content-Type': 'text/event-stream',
+        'Connection': 'keep-alive'
+    });
+    res.flushHeaders();
+
+
+    // Tell the client to retry every 10 seconds if connectivity is lost
+    res.write('retry: 10000\n\n');
+    update.set(Math.random(), res)
+    console.log("connected")
+    res.write("data: update\n\n")
+    // while (true ) {
+    //     await new Promise(resolve => setTimeout(resolve, 1000));
+
+    //     // console.log('Emit', ++count);
+    //     // Emit an SSE that contains the current 'count' as a string
+    //     res.write(`data: ${update}\n\n`);
+    //     // update = false;
+        
+    // }
+};
+
+function set_update() {
+    update = true;
 }
 
-module.exports = { router, socketConnectionRequest, publishMessageToConnectedSockets};
+
+
+module.exports = { router, mysse, update};

routes/transactions.js

@@ -2,12 +2,13 @@ const express = require('express');
 const router = express.Router();
 
 const db = require("../dependencies");
-const { publishMessageToConnectedSockets } = require("./reset")
+const { update } = require("./reset")
 
 router.get("/", (req, res) => {
     const transactions = db.prepare("SELECT transaction_id as id, postingDate, valueDate, title FROM transactions").all();
 
     res.send(transactions)
+
 })
 
 
@@ -25,11 +26,17 @@ router.post("/", (req, res) => {
         const db_entries = db.prepare("INSERT INTO transaction_entries (transaction_id, account_name, amount, label) VALUES (?, ?, ?, ?)").run(db_transaction.lastInsertRowid, transaction.entries[i].account, transaction.entries[i].amount, transaction.entries[i].label)
     }
 
-    publishMessageToConnectedSockets("lol")
 
     res.send({
         id: db_transaction.lastInsertRowid
     })
+    for (res of update.values()) {
+        // res.write("data: update\n\n")
+        res.write('event: update\n');
+        res.write('data: {}\n\n');
+
+    }
+
 })
 
 router.get("/:id", (req, res) => {
@@ -51,9 +58,14 @@ router.put("/:id", (req, res) => {
         const db_entries = db.prepare("INSERT INTO transaction_entries (transaction_id, account_name, amount, label) VALUES (?, ?, ?, ?)").run(req.params.id, req.body.entries[i].account, req.body.entries[i].amount, req.body.entries[i].label)
     }
 
-    publishMessageToConnectedSockets("lol")
 
     res.status(204).send()
+    for (res of update.values()) {
+        // res.write("data: update\n\n")
+        res.write('event: update\n');
+        res.write('data: {}\n\n');
+
+    }
 
 })
 
@@ -61,9 +73,15 @@ router.delete("/:id", (req, res) => {
     const delete_entries = db.prepare("DELETE FROM transaction_entries WHERE transaction_id = ?").run(req.params.id)
     const delete_transaction = db.prepare("DELETE FROM transaction WHERE transaction_id = ?").run(req.params.id)
 
-    publishMessageToConnectedSockets("lol")
 
     res.status(204).send()
+    for (res of update.values()) {
+        // res.write("data: update\n\n")
+        res.write('event: update\n');
+        res.write('data: {}\n\n');
+
+    }
+
 })
 
 module.exports = router;