second commit

2026-07-29 11:41:53 +05:30
parent fcccf22bac
commit d72522e737
211 changed files with 19260 additions and 0 deletions
--- a/lib/presentation/pos/widgets/scan_toast.dart
+++ b/lib/presentation/pos/widgets/scan_toast.dart
@@ -0,0 +1,121 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_animate/flutter_animate.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_dimens.dart';
+import '../providers/cart_controller.dart';
+
+/// Brief floating confirmation after a scan.
+///
+/// Deliberately not a dialog: the cashier must never have to dismiss anything
+/// between items.
+class ScanToast extends ConsumerStatefulWidget {
+  const ScanToast({super.key});
+
+  @override
+  ConsumerState<ScanToast> createState() => _ScanToastState();
+}
+
+class _ScanToastState extends ConsumerState<ScanToast> {
+  Timer? _timer;
+  ScanFeedback? _visible;
+
+  void _show(ScanFeedback feedback) {
+    _timer?.cancel();
+    setState(() => _visible = feedback);
+    _timer = Timer(
+      const Duration(milliseconds: 1600),
+      () {
+        if (mounted) setState(() => _visible = null);
+      },
+    );
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    ref.listen<ScanFeedback?>(scanFeedbackProvider, (prev, next) {
+      if (next != null) _show(next);
+    });
+
+    final feedback = _visible;
+    if (feedback == null) return const SizedBox.shrink();
+
+    final success = feedback.isSuccess;
+    final color = success ? AppColors.success : AppColors.danger;
+    final product = feedback.product;
+
+    final message = feedback.message ??
+        switch (feedback.outcome) {
+          ScanOutcome.added => 'Added to bill',
+          ScanOutcome.incremented => 'Quantity updated',
+          ScanOutcome.notFound => 'Product not found',
+          ScanOutcome.outOfStock => 'Out of stock',
+        };
+
+    return Container(
+      margin: const EdgeInsets.symmetric(horizontal: AppSpacing.xxl),
+      padding: const EdgeInsets.symmetric(
+        horizontal: AppSpacing.xl,
+        vertical: AppSpacing.md,
+      ),
+      decoration: BoxDecoration(
+        color: AppColors.textPrimary,
+        borderRadius: AppRadius.brPill,
+        boxShadow: AppColors.shadowLg,
+      ),
+      child: Row(mainAxisSize: MainAxisSize.min, children: [
+        Container(
+          width: 26,
+          height: 26,
+          decoration: BoxDecoration(color: color, shape: BoxShape.circle),
+          child: Icon(
+            success ? Icons.check_rounded : Icons.priority_high_rounded,
+            size: 17,
+            color: Colors.white,
+          ),
+        ),
+        const SizedBox(width: AppSpacing.md),
+        if (product != null) ...[
+          Text(product.emoji, style: const TextStyle(fontSize: 17)),
+          const SizedBox(width: AppSpacing.sm),
+          ConstrainedBox(
+            constraints: const BoxConstraints(maxWidth: 220),
+            child: Text(
+              product.name,
+              overflow: TextOverflow.ellipsis,
+              style: const TextStyle(
+                color: Colors.white,
+                fontWeight: FontWeight.w700,
+                fontSize: 14.5,
+              ),
+            ),
+          ),
+          const SizedBox(width: AppSpacing.sm),
+          Container(width: 1, height: 16, color: Colors.white24),
+          const SizedBox(width: AppSpacing.sm),
+        ],
+        Text(
+          message,
+          style: TextStyle(
+            color: Colors.white.withValues(alpha: 0.85),
+            fontSize: 13.5,
+          ),
+        ),
+      ]),
+    )
+        .animate(key: ValueKey(feedback.stamp))
+        .fadeIn(duration: 140.ms)
+        .slideY(begin: 0.4, end: 0, curve: Curves.easeOutBack)
+        .then(delay: 1200.ms)
+        .fadeOut(duration: 250.ms);
+  }
+}