From 720ad56a7a32ba2a6a63aed35e702fd3b7441d21 Mon Sep 17 00:00:00 2001
From: Donny <donavon.mcdowell@lethbridgecollege.ca>
Date: Fri, 30 Aug 2024 09:00:52 -0600
Subject: [PATCH] Added a endpoint for zabbix

---
 app.js | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/app.js b/app.js
index a0c4284..a4d231c 100644
--- a/app.js
+++ b/app.js
@@ -309,6 +309,51 @@ const getLicenseCounts = async () => {
     return records;
 };
 
+app.get('/api/zabbix', async (req, res) => {
+    try {
+        const programs = await getZabbixCounts();
+        res.json(programs); // Directly return the reshaped JSON
+    } catch (error) {
+        console.log("[ERROR]: There was an error retrieving licenses. More info: " + error);
+        res.status(500).json({ error: "Internal Server Error" });
+    }
+});
+
+const getZabbixCounts = async () => {
+    let n = (pollRate / 1000) + ((pollRate / 1000) * 0.25);
+    let records = {};
+    try {
+        const conn = await pool.getConnection();
+        try {
+            const query = `
+                SELECT ul.program, COUNT(*) as activecount, rl.total, 
+                       (rl.total - COUNT(*)) as available
+                FROM usedLicenses ul
+                JOIN requestedLicenses rl ON ul.program = rl.name
+                WHERE ul.date >= DATE_SUB(NOW(), INTERVAL ? SECOND)
+                GROUP BY ul.program, rl.total
+            `;
+            const results = await conn.query(query, [n]);
+            
+            results.forEach(row => {
+                records[row.program] = {
+                    activecount: String(row.activecount),
+                    total: String(row.total),
+                    available: String(row.available)
+                };
+            });
+            
+        } catch (error) {
+            console.log("[ERROR]: There was an error reading from the database. More info: " + error);
+        } finally {
+            conn.release();
+        }
+    } catch (error) {
+        console.log("[ERROR]: There was an error reading from the database. More info: " + error);
+    }
+    return records;
+};
+