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

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: ', '');
+      });
+    }
+  }
+}

flutter/lib/home_screen.dart

@@ -5,6 +5,7 @@ import '../models/portfolio.dart';
 import '../models/saham_transaksi.dart';
 import '../services/stock_service.dart';
 import 'add_transaksi_screen.dart';
+import 'edit_saham_screen.dart';
 
 class HomeScreen extends StatelessWidget {
   const HomeScreen({
@@ -24,7 +25,8 @@ class HomeScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final client = OdooClient(baseUrl: baseUrl, db: db, username: user, password: pass);
+    final client = OdooClient(
+        baseUrl: baseUrl, db: db, username: user, password: pass);
     final service = StockService(client);
     return _HomeShell(
       service: service,
@@ -53,12 +55,23 @@ class _HomeShellState extends State<_HomeShell> {
   void _reload() => setState(() => _reloadTick++);
 
   Future<void> _openAdd() async {
-    final added = await Navigator.of(context).push<bool>(
+    if (_tab == 1) {
-      MaterialPageRoute(
+      // Tab Saham -> buka tambah saham
-        builder: (_) => AddTransaksiScreen(service: widget.service),
+      final added = await Navigator.of(context).push<bool>(
-      ),
+        MaterialPageRoute(
-    );
+          builder: (_) => EditSahamScreen(service: widget.service),
-    if (added == true) _reload();
+        ),
+      );
+      if (added == true) _reload();
+    } else {
+      // Tab lain -> buka buat transaksi
+      final added = await Navigator.of(context).push<bool>(
+        MaterialPageRoute(
+          builder: (_) => AddTransaksiScreen(service: widget.service),
+        ),
+      );
+      if (added == true) _reload();
+    }
   }
 
   @override
@@ -67,20 +80,26 @@ class _HomeShellState extends State<_HomeShell> {
       appBar: AppBar(
         title: const Text('Saat Invest'),
         actions: [
-          IconButton(icon: const Icon(Icons.refresh), tooltip: 'Muat ulang',
+          IconButton(
+              icon: const Icon(Icons.refresh),
+              tooltip: 'Muat ulang',
               onPressed: _reload),
-          IconButton(icon: const Icon(Icons.logout), tooltip: 'Keluar', onPressed: widget.onLogout),
+          IconButton(
+              icon: const Icon(Icons.logout),
+              tooltip: 'Keluar',
+              onPressed: widget.onLogout),
         ],
       ),
       floatingActionButton: FloatingActionButton(
         onPressed: _openAdd,
-        tooltip: 'Catat transaksi baru',
+        tooltip: _tab == 1 ? 'Tambah Saham' : 'Catat Transaksi',
-        child: const Icon(Icons.add),
+        child: Icon(_tab == 1 ? Icons.add_business : Icons.add),
       ),
       body: IndexedStack(
         index: _tab,
         children: [
           _PortfolioTab(key: ValueKey('pf$_reloadTick'), service: widget.service),
+          _SahamTab(key: ValueKey('sh$_reloadTick'), service: widget.service),
           _TransaksiTab(key: ValueKey('tx$_reloadTick'), service: widget.service),
         ],
       ),
@@ -89,6 +108,7 @@ class _HomeShellState extends State<_HomeShell> {
         onDestinationSelected: (i) => setState(() => _tab = i),
         destinations: const [
           NavigationDestination(icon: Icon(Icons.pie_chart), label: 'Portofolio'),
+          NavigationDestination(icon: Icon(Icons.trending_up), label: 'Saham'),
           NavigationDestination(icon: Icon(Icons.receipt_long), label: 'Transaksi'),
         ],
       ),
@@ -96,7 +116,7 @@ class _HomeShellState extends State<_HomeShell> {
   }
 }
 
-// ---------------- Portofolio / Equity tab ----------------
+// ---------------- Portofolio tab ----------------
 
 class _PortfolioTab extends StatefulWidget {
   const _PortfolioTab({super.key, required this.service});
@@ -107,7 +127,6 @@ class _PortfolioTab extends StatefulWidget {
 
 class _PortfolioTabState extends State<_PortfolioTab> {
   late Future<List<Portfolio>> _fut;
-
   @override
   void initState() {
     super.initState();
@@ -128,8 +147,7 @@ class _PortfolioTabState extends State<_PortfolioTab> {
           return _ErrorRetry(message: '${snap.error}', onRetry: _reload);
         }
         final list = snap.data ?? [];
-        final totalNilai = list.fold<double>(
+        final totalNilai = list.fold<double>(0, (a, p) => a + p.nilaiSekarang);
-            0, (a, p) => a + p.nilaiSekarang);
         final totalModal = list.fold<double>(0, (a, p) => a + p.avgCost * p.sisaLembar);
         final totalPl = list.fold<double>(0, (a, p) => a + p.unrealizedPl + p.realizedPl);
         return RefreshIndicator(
@@ -144,21 +162,24 @@ class _PortfolioTabState extends State<_PortfolioTab> {
                       textAlign: TextAlign.center),
                 ),
               ...list.map((p) => Card(
-                margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
+                    margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
-                child: ListTile(
+                    child: ListTile(
-                  title: Text(p.sahamTicker, style: const TextStyle(fontWeight: FontWeight.bold)),
+                      title: Text(p.sahamTicker,
-                  subtitle: Text('${p.sisaLembar} lbr · avg ${_fmt(p.avgCost)} · hrga ${_fmt(p.hargaSekarang)}'),
+                          style: const TextStyle(fontWeight: FontWeight.bold)),
-                  trailing: Column(
+                      subtitle: Text(
-                    crossAxisAlignment: CrossAxisAlignment.end,
+                          '${p.sisaLembar} lbr · avg ${_fmt(p.avgCost)} · hrga ${_fmt(p.hargaSekarang)}'),
-                    mainAxisAlignment: MainAxisAlignment.center,
+                      trailing: Column(
-                    children: [
+                        crossAxisAlignment: CrossAxisAlignment.end,
-                      Text(_fmt(p.nilaiSekarang)),
+                        mainAxisAlignment: MainAxisAlignment.center,
-                      Text(_rm(p.unrealizedPl), style: TextStyle(
+                        children: [
-                          color: p.unrealizedPl >= 0 ? Colors.green : Colors.red)),
+                          Text(_fmt(p.nilaiSekarang)),
-                    ],
+                          Text(_rm(p.unrealizedPl),
-                  ),
+                              style: TextStyle(
-                ),
+                                  color: p.unrealizedPl >= 0 ? Colors.green : Colors.red)),
-              )),
+                        ],
+                      ),
+                    ),
+                  )),
               const SizedBox(height: 16),
             ],
           ),
@@ -181,23 +202,85 @@ class _EquityCard extends StatelessWidget {
       margin: const EdgeInsets.all(12),
       color: const Color(0xFF0B6E4F),
       child: Padding(
-        padding: const EdgeInsets.all(20),
+          padding: const EdgeInsets.all(20),
-        child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+          child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
-          Text('Total Equity', style: TextStyle(color: Colors.white70, fontSize: 14)),
+            Text('Total Equity',
-          Text('Rp ${_fmt(equity, force: true)}',
+                style: TextStyle(color: Colors.white70, fontSize: 14)),
-              style: const TextStyle(color: Colors.white, fontSize: 28, fontWeight: FontWeight.bold)),
+            Text('Rp ${_fmt(equity, force: true)}',
-          const SizedBox(height: 8),
+                style: const TextStyle(
-          Text('Modal dikeluarkan: ${_fmt(modal)}',
+                    color: Colors.white,
-              style: const TextStyle(color: Colors.white70)),
+                    fontSize: 28,
-          Row(children: [
+                    fontWeight: FontWeight.bold)),
-            Text('P/L: ', style: const TextStyle(color: Colors.white70)),
+            const SizedBox(height: 8),
-            Text(_rm(pl),
+            Text('Modal dikeluarkan: ${_fmt(modal)}',
-                style: const TextStyle(color: Colors.white, fontWeight: FontWeight.w600)),
+                style: const TextStyle(color: Colors.white70)),
-            const SizedBox(width: 8),
+            Row(children: [
-            Text('(${pct.toStringAsFixed(2)}%)', style: const TextStyle(color: Colors.white70)),
+              Text('P/L: ', style: const TextStyle(color: Colors.white70)),
-          ]),
+              Text(_rm(pl),
-        ]),
+                  style: const TextStyle(
-      ),
+                      color: Colors.white, fontWeight: FontWeight.w600)),
+              const SizedBox(width: 8),
+              Text('(${pct.toStringAsFixed(2)}%)',
+                  style: const TextStyle(color: Colors.white70)),
+            ]),
+          ])),
+    );
+  }
+}
+
+// ---------------- Saham tab ----------------
+
+class _SahamTab extends StatefulWidget {
+  const _SahamTab({super.key, required this.service});
+  final StockService service;
+  @override
+  State<_SahamTab> createState() => _SahamTabState();
+}
+
+class _SahamTabState extends State<_SahamTab> {
+  late Future<List<Saham>> _fut;
+  @override
+  void initState() {
+    super.initState();
+    _fut = widget.service.listSaham();
+  }
+
+  void _reload() => setState(() => _fut = widget.service.listSaham());
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<List<Saham>>(
+      future: _fut,
+      builder: (context, snap) {
+        if (snap.connectionState == ConnectionState.waiting) {
+          return const Center(child: CircularProgressIndicator());
+        }
+        if (snap.hasError) {
+          return _ErrorRetry(message: '${snap.error}', onRetry: _reload);
+        }
+        final list = snap.data ?? [];
+        return RefreshIndicator(
+          onRefresh: () async => _reload(),
+          child: ListView.builder(
+            itemCount: list.length,
+            itemBuilder: (c, i) {
+              final s = list[i];
+              return Card(
+                margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
+                child: ListTile(
+                  leading: CircleAvatar(
+                    backgroundColor: const Color(0xFF0B6E4F),
+                    child: Text(s.kode.substring(0, 1).toUpperCase(),
+                        style: const TextStyle(color: Colors.white)),
+                  ),
+                  title: Text('${s.kode} — ${s.perusahaan ?? '-'}'),
+                  subtitle: Text(s.sektor ?? 'Sektor: -'),
+                ),
+              );
+            },
+          ),
+        );
+      },
     );
   }
 }
@@ -213,7 +296,6 @@ class _TransaksiTab extends StatefulWidget {
 
 class _TransaksiTabState extends State<_TransaksiTab> {
   late Future<List<Transaksi>> _fut;
-
   @override
   void initState() {
     super.initState();
@@ -247,9 +329,10 @@ class _TransaksiTabState extends State<_TransaksiTab> {
                         final buy = t.isBuy;
                         return ListTile(
                           leading: CircleAvatar(
-                            backgroundColor: buy ? Colors.green : Colors.red,
+                              backgroundColor:
-                            child: Text(buy ? 'B' : 'J', style: const TextStyle(color: Colors.white)),
+                                  buy ? Colors.green : Colors.red,
-                          ),
+                              child: Text(buy ? 'B' : 'J',
+                                  style: const TextStyle(color: Colors.white))),
                           title: Text('${t.sahamTicker}  ·  ${t.volume} lbr'),
                           subtitle: Text('${t.tanggal} @ ${_fmt(t.harga)} · fee ${_fmt(t.fee)}'),
                           trailing: Text(_fmt(t.total)),
@@ -271,23 +354,24 @@ class _ErrorRetry extends StatelessWidget {
   @override
   Widget build(BuildContext context) => Center(
         child: Padding(
-          padding: const EdgeInsets.all(24),
+            padding: const EdgeInsets.all(24),
-          child: Column(mainAxisSize: MainAxisSize.min, children: [
+            child: Column(mainAxisSize: MainAxisSize.min, children: [
-            const Icon(Icons.error_outline, color: Colors.red, size: 40),
+              const Icon(Icons.error_outline, color: Colors.red, size: 40),
-            const SizedBox(height: 8),
+              const SizedBox(height: 8),
-            Text(message, textAlign: TextAlign.center),
+              Text(message, textAlign: TextAlign.center),
-            const SizedBox(height: 12),
+              const SizedBox(height: 12),
-            OutlinedButton(onPressed: onRetry, child: const Text('Coba lagi')),
+              OutlinedButton(onPressed: onRetry, child: const Text('Coba lagi')),
-          ]),
+            ])),
-        ),
       );
 }
 
 // helpers
+
 String _fmt(double v, {bool force = false}) {
   final fmt = force
       ? v.toStringAsFixed(0).replaceAllMapped(RegExp(r'\B(?=(\d{3})+(?!\d))'), (m) => '.')
-      : v.toStringAsFixed(0).replaceAllMapped(RegExp(r'\B(?=(\d{3})+(?!\d))'), (m) => '.');
+      : v.toStringAsFixed(0).replaceAllMapped(
+            RegExp(r'\B(?=(\d{3})+(?!\d))'), (m) => '.');
   return fmt;
 }
 
@@ -297,4 +381,3 @@ String _formatAbs(double v) {
   final a = v.abs().toStringAsFixed(0);
   return a.replaceAllMapped(RegExp(r'\B(?=(\d{3})+(?!\d))'), (m) => '.');
 }
-

flutter/lib/services/stock_service.dart

@@ -15,6 +15,35 @@ class StockService {
     return (res as List).map((e) => Saham.fromOdoo(e as Map<String, dynamic>)).toList();
   }
 
+  // Tambah saham baru ke Odoo saat.saham.create
+  Future<int> addSaham({
+    required String kode,
+    String? perusahaan,
+    String? sektor,
+  }) async {
+    final vals = <String, dynamic>{
+      'name': kode,
+      if (perusahaan != null && perusahaan.isNotEmpty) 'perusahaan': perusahaan,
+      if (sektor != null && sektor.isNotEmpty) 'sector': sektor,
+    };
+    final res = await client.executeKwd('saat.saham', 'create', args: [vals]);
+    return (res as num).toInt();
+  }
+
+  // Update data saham (perusahaan, sektor)
+  Future<void> updateSaham(int id, {String? perusahaan, String? sektor}) async {
+    final vals = <String, dynamic>{
+      if (perusahaan != null) 'perusahaan': perusahaan,
+      if (sektor != null) 'sector': sektor,
+    };
+    await client.executeKwd('saat.saham', 'write', args: [[id], vals]);
+  }
+
+  // --- Hapus saham (optional) ---
+  Future<void> hapusSaham(int id) async {
+    await client.executeKwd('saat.saham', 'unlink', args: [[id]]);
+  }
+
   // ---- Portofolio ----
   Future<List<Portfolio>> listPortofolio() async {
     final fields = [