first commit

backend/routes/cycleFeedInitialBalance.js

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+const express = require('express');
+const router = express.Router();
+const CycleFeedInitialBalance = require('../models/CycleFeedInitialBalance');
+const { convertKeysToCamelCase } = require('../utils/caseConverter');
+
+/**
+ * GET /api/cycle-feed-initial-balance/:cycleId
+ * Get initial balance for a specific cycle
+ */
+router.get('/:cycleId', async (req, res) => {
+    try {
+        const { cycleId } = req.params;
+        const balance = await CycleFeedInitialBalance.getByCycleId(cycleId);
+
+        if (!balance) {
+            return res.json({ success: true, data: null });
+        }
+
+        res.json({ success: true, data: convertKeysToCamelCase(balance) });
+    } catch (error) {
+        console.error('Error fetching cycle feed initial balance:', error);
+        res.status(500).json({ success: false, error: error.message });
+    }
+});
+
+/**
+ * PUT /api/cycle-feed-initial-balance
+ * Upsert initial balance for a cycle
+ */
+router.put('/', async (req, res) => {
+    try {
+        const { cycleId, saldoAwal, createdBy } = req.body;
+
+        // Validation
+        if (!cycleId || saldoAwal === undefined) {
+            return res.status(400).json({
+                success: false,
+                error: 'Missing required fields: cycleId, saldoAwal'
+            });
+        }
+
+        if (saldoAwal < 0) {
+            return res.status(400).json({
+                success: false,
+                error: 'saldoAwal cannot be negative'
+            });
+        }
+
+        if (!Number.isInteger(saldoAwal)) {
+            return res.status(400).json({
+                success: false,
+                error: 'saldoAwal must be an integer'
+            });
+        }
+
+        const balance = await CycleFeedInitialBalance.upsert(
+            cycleId,
+            saldoAwal,
+            createdBy || 'system'
+        );
+
+        res.json({ success: true, data: convertKeysToCamelCase(balance) });
+    } catch (error) {
+        console.error('Error saving cycle feed initial balance:', error);
+        res.status(500).json({ success: false, error: error.message });
+    }
+});
+
+/**
+ * DELETE /api/cycle-feed-initial-balance/:cycleId
+ * Delete initial balance for a cycle
+ */
+router.delete('/:cycleId', async (req, res) => {
+    try {
+        const { cycleId } = req.params;
+        await CycleFeedInitialBalance.delete(cycleId);
+        res.json({ success: true });
+    } catch (error) {
+        console.error('Error deleting cycle feed initial balance:', error);
+        res.status(500).json({ success: false, error: error.message });
+    }
+});
+
+module.exports = router;