Flutter: fitur Tambah Saham (tab Saham + form kode/perusahaan/sektor)

- Tab baru 'Saham' di NavigationBar (daftar master saham dari saat.saham) - FAB konteks: di tab Saham buka form Tambah Saham, di tab lain catat transaksi - EditSahamScreen: form tambah saham baru (kode ticker, perusahaan, sektor) - StockService: method addSaham(), updateSaham(), hapusSaham() ke Odoo
2026-09-06 19:52:07 +07:00
parent 286b207f27
commit 1fc095c63c
3 changed files with 290 additions and 63 deletions
--- a/flutter/lib/edit_saham_screen.dart
+++ b/flutter/lib/edit_saham_screen.dart
@@ -0,0 +1,115 @@
+import 'package:flutter/material.dart';
+
+import '../models/saham_transaksi.dart';
+import '../services/stock_service.dart';
+
+class EditSahamScreen extends StatefulWidget {
+  const EditSahamScreen({super.key, required this.service, this.saham});
+  final StockService service;
+  final Saham? saham; // null = tambah baru; ada = edit
+  @override
+  State<EditSahamScreen> createState() => _EditSahamScreenState();
+}
+
+class _EditSahamScreenState extends State<EditSahamScreen> {
+  final _kode = TextEditingController();
+  final _perusahaan = TextEditingController();
+  final _sektor = TextEditingController();
+  bool _busy = false;
+  String? _error;
+
+  @override
+  void initState() {
+    super.initState();
+    final s = widget.saham;
+    if (s != null) {
+      _kode.text = s.kode;
+      _perusahaan.text = s.perusahaan ?? '';
+      _sektor.text = s.sektor ?? '';
+    } else {
+      _sektor.text = 'Financial';
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final isEdit = widget.saham != null;
+    return Scaffold(
+      appBar: AppBar(title: Text(isEdit ? 'Edit Saham' : 'Tambah Saham')),
+      body: Padding(
+        padding: const EdgeInsets.all(16),
+        child: ListView(
+          children: [
+            TextField(
+              controller: _kode,
+              enabled: !isEdit, // kode tidak boleh diubah saat edit
+              decoration: const InputDecoration(
+                  labelText: 'Kode Saham (Ticker)',
+                  hintText: 'misal: BBRI, UNVR, TLKM',
+                  prefixIcon: Icon(Icons.business)),
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              controller: _perusahaan,
+              decoration: const InputDecoration(
+                  labelText: 'Nama Perusahaan / Emiten',
+                  prefixIcon: Icon(Icons.apartment)),
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              controller: _sektor,
+              decoration: const InputDecoration(
+                  labelText: 'Sektor', prefixIcon: Icon(Icons.category)),
+            ),
+            if (_error != null)
+              Padding(
+                padding: const EdgeInsets.only(top: 8),
+                child: Text(_error!, style: const TextStyle(color: Colors.red)),
+              ),
+            const SizedBox(height: 20),
+            FilledButton.icon(
+              onPressed: _busy ? null : _save,
+              icon: _busy
+                  ? const SizedBox(width: 18, height: 18,
+                      child: CircularProgressIndicator(strokeWidth: 2))
+                  : const Icon(Icons.save),
+              label: const Text('Simpan'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _save() async {
+    setState(() {
+      _busy = true;
+      _error = null;
+    });
+    try {
+      final kode = _kode.text.trim().toUpperCase();
+      if (kode.isEmpty) throw Exception('Kode saham wajib diisi');
+
+      if (widget.saham == null) {
+        await widget.service.addSaham(
+          kode: kode,
+          perusahaan: _perusahaan.text.trim(),
+          sektor: _sektor.text.trim(),
+        );
+      } else {
+        await widget.service.updateSaham(widget.saham!.id,
+          perusahaan: _perusahaan.text.trim(),
+          sektor: _sektor.text.trim(),
+        );
+      }
+      if (!mounted) return;
+      Navigator.pop(context, true);
+    } catch (e) {
+      if (!mounted) return;
+      setState(() {
+        _busy = false;
+        _error = e.toString().replaceFirst('Exception: ', '');
+      });
+    }
+  }
+}