Initial commit - app-padrao-1.0

lib/features/home/presentation/widgets/revenue_chart.dart

@@ -0,0 +1,154 @@
+import 'package:flutter/material.dart';
+import 'package:fl_chart/fl_chart.dart';
+import 'package:barber_app/core/theme/app_theme.dart';
+import 'package:barber_app/features/finances/data/repositories/transaction_repository.dart';
+
+class RevenueChart extends StatelessWidget {
+  const RevenueChart({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final transactionRepo = TransactionRepository();
+    // Pegando dados reais (filtro básico)
+    final now = DateTime.now();
+    final List<double> dailyRevenue = List.filled(7, 0.0);
+    final weekdays = <String>[];
+
+    for (int i = 6; i >= 0; i--) {
+      final day = now.subtract(Duration(days: i));
+      weekdays.add('${day.day}/${day.month}');
+
+      final revenues = transactionRepo.getRevenues().where(
+        (t) =>
+            t.dueDate.year == day.year &&
+            t.dueDate.month == day.month &&
+            t.dueDate.day == day.day,
+      );
+
+      double sum = 0;
+      for (var r in revenues) {
+        sum += r.amount;
+      }
+      dailyRevenue[6 - i] = sum;
+    }
+
+    // Se estiver tudo zero, coloca alguns dados dummies pra ficar bonito pro usuário ver o potencial
+    // (Opcional: remover em produção, mas bom para demo visual inicial)
+    if (dailyRevenue.every((v) => v == 0)) {
+      // Dados de exemplo para o gráfico não ficar vazio na primeira execução
+      // dailyRevenue[0] = 150; dailyRevenue[1] = 200; ...
+      // Melhor não inventar dados se é um app funcional. Mostra zero mesmo.
+    }
+
+    return AspectRatio(
+      aspectRatio: 1.70,
+      child: Container(
+        decoration: BoxDecoration(
+          borderRadius: const BorderRadius.all(Radius.circular(18)),
+          color: AppColors.surface,
+          border: Border.all(color: AppColors.surfaceLight),
+        ),
+        padding: const EdgeInsets.only(
+          right: 18,
+          left: 12,
+          top: 24,
+          bottom: 12,
+        ),
+        child: LineChart(
+          LineChartData(
+            gridData: FlGridData(
+              show: true,
+              drawVerticalLine: false,
+              horizontalInterval: 100, // Ajustar conforme valores
+              getDrawingHorizontalLine: (value) {
+                return FlLine(color: AppColors.surfaceLight, strokeWidth: 1);
+              },
+            ),
+            titlesData: FlTitlesData(
+              show: true,
+              rightTitles: AxisTitles(
+                sideTitles: SideTitles(showTitles: false),
+              ),
+              topTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
+              bottomTitles: AxisTitles(
+                sideTitles: SideTitles(
+                  showTitles: true,
+                  reservedSize: 30,
+                  interval: 1,
+                  getTitlesWidget: (value, meta) {
+                    final index = value.toInt();
+                    if (index >= 0 && index < weekdays.length) {
+                      return Padding(
+                        padding: const EdgeInsets.only(top: 8.0),
+                        child: Text(
+                          weekdays[index],
+                          style: const TextStyle(
+                            color: AppColors.textSecondary,
+                            fontWeight: FontWeight.bold,
+                            fontSize: 10,
+                          ),
+                        ),
+                      );
+                    }
+                    return const Text('');
+                  },
+                ),
+              ),
+              leftTitles: AxisTitles(
+                sideTitles: SideTitles(
+                  showTitles: true,
+                  interval: 100, // Ajustar
+                  getTitlesWidget: (value, meta) {
+                    return Text(
+                      'R\$ ${value.toInt()}',
+                      style: const TextStyle(
+                        color: AppColors.textSecondary,
+                        fontSize: 10,
+                      ),
+                    );
+                  },
+                  reservedSize: 42,
+                ),
+              ),
+            ),
+            borderData: FlBorderData(show: false),
+            minX: 0,
+            maxX: 6,
+            minY: 0,
+            // Adiciona margem superior
+            maxY: (dailyRevenue.reduce((a, b) => a > b ? a : b) * 1.2) + 100,
+            lineBarsData: [
+              LineChartBarData(
+                spots: List.generate(
+                  7,
+                  (index) => FlSpot(index.toDouble(), dailyRevenue[index]),
+                ),
+                isCurved: true,
+                gradient: LinearGradient(
+                  colors: [
+                    AppColors.primaryColor,
+                    AppColors.primaryColor.withValues(alpha: 0.5),
+                  ],
+                ),
+                barWidth: 4,
+                isStrokeCapRound: true,
+                dotData: FlDotData(show: false),
+                belowBarData: BarAreaData(
+                  show: true,
+                  gradient: LinearGradient(
+                    colors: [
+                      AppColors.primaryColor.withValues(alpha: 0.3),
+                      AppColors.primaryColor.withValues(alpha: 0.0),
+                    ],
+                    begin: Alignment.topCenter,
+                    end: Alignment.bottomCenter,
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}