Move stats api to separate file

src/index.js

@@ -6,6 +6,8 @@ const commandLineArgs = require("command-line-args");
 const commandLineUsage = require("command-line-usage");
 const cors = require('cors');
 
+const statsRoutes = require('./stats.js');
+
 // create prisma db client
 const { PrismaClient } = require("@prisma/client");
 const prisma = new PrismaClient();
@@ -87,6 +89,9 @@ app.get('/', async (req, res) => {
     res.sendFile(path.join(__dirname, 'public/index.html'));
 });
 
+// stats API in separate file
+app.use('/api/v1/stats', statsRoutes);
+
 app.get('/api', async (req, res) => {
 
     const links = [
@@ -650,42 +655,6 @@ app.get('/api/v1/nodes/:nodeId/position-history', async (req, res) => {
     }
 });
 
-app.get('/api/v1/stats/hardware-models', async (req, res) => {
-    try {
-
-        // get nodes from db
-        const results = await prisma.node.groupBy({
-            by: ['hardware_model'],
-            orderBy: {
-                _count: {
-                    hardware_model: 'desc',
-                },
-            },
-            _count: {
-                hardware_model: true,
-            },
-        });
-
-        const hardwareModelStats = results.map((result) => {
-           return {
-               count: result._count.hardware_model,
-               hardware_model: result.hardware_model,
-               hardware_model_name: HardwareModel.valuesById[result.hardware_model] ?? "UNKNOWN",
-           };
-        });
-
-        res.json({
-            hardware_model_stats: hardwareModelStats,
-        });
-
-    } catch(err) {
-        console.error(err);
-        res.status(500).json({
-            message: "Something went wrong, try again later.",
-        });
-    }
-});
-
 app.get('/api/v1/text-messages', async (req, res) => {
     try {
 
@@ -812,43 +781,6 @@ app.get('/api/v1/waypoints', async (req, res) => {
     }
 });
 
-app.get('/api/v1/messages-per-hour', async (req, res) => {
-    try {
-        const hours = 168;
-        const now = new Date();
-        const startTime = new Date(now.getTime() - hours * 60 * 60 * 1000);
-
-        const messages = await prisma.textMessage.findMany({
-            where: { created_at: { gte: startTime } },
-            select: { packet_id: true, created_at: true },
-            distinct: ['packet_id'], // Ensures only unique packet_id entries are counted
-            orderBy: { created_at: 'asc' }
-        });
-
-        // Pre-fill `uniqueCounts` with zeros for all hours
-        const uniqueCounts = Object.fromEntries(
-            Array.from({ length: hours }, (_, i) => {
-                const hourTime = new Date(now.getTime() - (hours - i) * 60 * 60 * 1000);
-                const hourString = hourTime.toISOString().slice(0, 13); // YYYY-MM-DD HH
-                return [hourString, 0];
-            })
-        );
-
-        // Populate actual message counts
-        messages.forEach(({ created_at }) => {
-            const hourString = created_at.toISOString().slice(0, 13); // YYYY-MM-DD HH
-            uniqueCounts[hourString]++;
-        });
-
-        // Convert to final result format
-        const result = Object.entries(uniqueCounts).map(([hour, count]) => ({ hour, count }));
-
-        res.json(result);
-    } catch (error) {
-        console.error('Error fetching messages:', error);
-        res.status(500).json({ error: 'Internal Server Error' });
-    }
-});
 
 // start express server
 const listener = app.listen(port, () => {