feat:增加统计图表模块

lib/pages/calendar_page.dart

@@ -54,8 +54,8 @@ class CalendarPageState extends State<CalendarPage> {
   void _showDialog(bool isEditing, Calendar? calendar) {
     final provider = Provider.of<CalendarProvider>(context, listen: false);
 
-    if (isEditing) {
-      provider.initForm(calendar!);
+    if (calendar != null) {
+      provider.initForm(calendar);
     } else {
       provider.resetForm();
     }
@@ -153,7 +153,7 @@ class CalendarPageState extends State<CalendarPage> {
               dataSource: AppointmentDataSource(_appointments),
               onAdd: () {
                 if (_calendarController.view == CalendarView.week) {
-                  _showDialog(true, provider.formItem);
+                  _showDialog(false, provider.formItem);
                 }
               },
               onEdit: (appointment) {

lib/pages/stats_page.dart

@@ -0,0 +1,209 @@
+import 'package:flisp_app/models/flisp.dart';
+import 'package:flisp_app/models/todo.dart';
+import 'package:flisp_app/service/flisp_service.dart';
+import 'package:flisp_app/service/todo_service.dart';
+import 'package:flisp_app/widgets/chart.dart';
+import 'package:flisp_app/widgets/common.dart';
+import 'package:flutter/material.dart';
+
+class StatsPage extends StatefulWidget {
+  const StatsPage({super.key});
+
+  @override
+  StatsPageState createState() => StatsPageState();
+}
+
+class StatsPageState extends State<StatsPage> {
+  final double chartHeight = 400;
+  final FlispService flispService = FlispService();
+  final TodoService todoService = TodoService();
+
+  late List<ChartData> flispMonthlyStats;
+  late List<ChartData> flispCategoryStats;
+  late List<ChartData> todoMonthlyStats;
+  late List<ChartData> todoMonthlyCompleteStats;
+  late List<ChartData> todoPriorityStats;
+
+  @override
+  void initState() {
+    super.initState();
+    final allFlisps = flispService.getAllFlisps();
+    getFlispMonthlyStats(allFlisps);
+    getFlispCategoryStats(allFlisps);
+
+    final allTodos = todoService.getAllTodos();
+    getTodoMonthlyStats(allTodos);
+    getTodoMonthlyCompleteStats(allTodos);
+    getTodoCategoryStats(allTodos);
+  }
+
+  void getFlispMonthlyStats(List<Flisp> flisps) {
+    Map<String, double> countMap = {};
+
+    for (var flisp in flisps) {
+      String month = '${flisp.createTime.month}月';
+      countMap[month] = (countMap[month] ?? 0) + 1;
+    }
+
+    flispMonthlyStats = convert2ChartData(countMap);
+  }
+
+  void getFlispCategoryStats(List<Flisp> flisps) {
+    Map<String, double> countMap = {};
+
+    for (var flisp in flisps) {
+      String category = flisp.tag.label;
+      countMap[category] = (countMap[category] ?? 0) + 1;
+    }
+
+    flispCategoryStats = convert2ChartData(countMap);
+  }
+
+  void getTodoMonthlyStats(List<Todo> todos) {
+    Map<String, double> countMap = {};
+
+    for (var todo in todos) {
+      String month = '${todo.createTime.month}月';
+      countMap[month] = (countMap[month] ?? 0) + 1;
+    }
+
+    todoMonthlyStats = convert2ChartData(countMap);
+  }
+
+  void getTodoMonthlyCompleteStats(List<Todo> todos) {
+    Map<String, double> countMap = {};
+
+    for (var todo in todos) {
+      if (todo.isCompleted) {
+        String month = '${todo.createTime.month}月';
+        countMap[month] = (countMap[month] ?? 0) + 1;
+      }
+    }
+
+    todoMonthlyCompleteStats = convert2ChartData(countMap);
+  }
+
+  void getTodoCategoryStats(List<Todo> todos) {
+    Map<String, double> countMap = {};
+
+    for (var todo in todos) {
+      String priority = todo.priority.label;
+      countMap[priority] = (countMap[priority] ?? 0) + 1;
+    }
+
+    todoPriorityStats = convert2ChartData(countMap);
+  }
+
+  List<ChartData> convert2ChartData(Map<String, double> countMap) {
+    return countMap.entries
+        .map((e) => ChartData(name: e.key, value: e.value))
+        .toList();
+  }
+
+  Widget _buildFlispMonthlyStats(BuildContext context) {
+    return Column(
+      children: [
+        buildChartTitle(context, '每月闪灵数量统计'),
+        const SizedBox(height: 3),
+        buildChartDivider(context),
+        const SizedBox(height: 3),
+        Expanded(
+          child: lineChart(
+            context: context,
+            xAxisName: '月份',
+            yAxisName: '数量',
+            unit: '篇',
+            data: flispMonthlyStats,
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildFlispCategoryStats(BuildContext context) {
+    return Column(
+      children: [
+        buildChartTitle(context, '闪灵分类统计'),
+        const SizedBox(height: 3),
+        buildChartDivider(context),
+        const SizedBox(height: 3),
+        Expanded(
+          child: pieChart(
+            context: context,
+            unit: '篇',
+            data: flispCategoryStats,
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildTodoMonthlyStats(BuildContext context) {
+    return Column(
+      children: [
+        buildChartTitle(context, '每月待办数量统计'),
+        const SizedBox(height: 3),
+        buildChartDivider(context),
+        const SizedBox(height: 3),
+        Expanded(
+          child: doubleBarChart(
+            context: context,
+            xAxisName: '月份',
+            yAxisName: '数量',
+            unit: '个',
+            data1: todoMonthlyStats,
+            data2: todoMonthlyCompleteStats,
+            series1Name: '总数',
+            series2Name: '完成数',
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildTodoPriorityStats(BuildContext context) {
+    return Column(
+      children: [
+        buildChartTitle(context, '待办分类统计'),
+        const SizedBox(height: 3),
+        buildChartDivider(context),
+        const SizedBox(height: 3),
+        Expanded(
+          child: pieChart(context: context, unit: '个', data: todoPriorityStats),
+        ),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      child: Padding(
+        padding: EdgeInsets.all(10),
+        child: Column(
+          children: [
+            SizedBox(
+              height: chartHeight,
+              child: BuildCard(child: _buildFlispMonthlyStats(context)),
+            ),
+            SizedBox(height: 10),
+            SizedBox(
+              height: chartHeight,
+              child: BuildCard(child: _buildFlispCategoryStats(context)),
+            ),
+            SizedBox(height: 10),
+            SizedBox(
+              height: chartHeight,
+              child: BuildCard(child: _buildTodoMonthlyStats(context)),
+            ),
+            SizedBox(height: 10),
+            SizedBox(
+              height: chartHeight,
+              child: BuildCard(child: _buildTodoPriorityStats(context)),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}