fix

Service/HolidayService.cs

@@ -0,0 +1,130 @@
+using System.Text.Json.Serialization;
+
+namespace Service;
+
+/// <summary>
+/// 节假日服务接口
+/// </summary>
+public interface IHolidayService
+{
+    /// <summary>
+    /// 从API获取并缓存节假日数据
+    /// </summary>
+    Task<bool> FetchAndCacheHolidaysAsync(int year);
+
+    /// <summary>
+    /// 获取指定年份的节假日数据
+    /// </summary>
+    Task<List<Holiday>> GetHolidaysByYearAsync(int year);
+
+    /// <summary>
+    /// 获取指定日期范围的节假日数据
+    /// </summary>
+    Task<List<Holiday>> GetHolidaysByDateRangeAsync(string startDate, string endDate);
+}
+
+/// <summary>
+/// 节假日服务实现
+/// </summary>
+public class HolidayService(
+    IHolidayRepository holidayRepository,
+    IHttpClientFactory httpClientFactory,
+    ILogger<HolidayService> logger) : IHolidayService
+{
+    private const string HolidayApiUrl = "https://publicapi.xiaoai.me/holiday/year";
+
+    public async Task<bool> FetchAndCacheHolidaysAsync(int year)
+    {
+        try
+        {
+            logger.LogInformation("开始获取 {Year} 年节假日数据", year);
+
+            // 调用API获取数据
+            var httpClient = httpClientFactory.CreateClient();
+            var response = await httpClient.GetStringAsync($"{HolidayApiUrl}?date={year}");
+
+            // 解析JSON
+            var apiResponse = JsonSerializer.Deserialize<HolidayApiResponse>(response);
+            if (apiResponse?.Code != 0 || apiResponse.Data == null)
+            {
+                logger.LogError("获取节假日数据失败: {Message}", apiResponse?.Msg);
+                return false;
+            }
+
+            // 删除旧数据
+            await holidayRepository.DeleteByYearAsync(year);
+
+            // 转换并保存新数据
+            var holidays = apiResponse.Data.Select(item => new Holiday
+            {
+                Year = year,
+                DayType = item.DayType,
+                HolidayName = item.Holiday,
+                Rest = item.Rest,
+                Date = item.Date,
+                Week = item.Week,
+                WeekDescCn = item.WeekDescCn
+            }).ToList();
+
+            await holidayRepository.AddRangeAsync(holidays);
+
+            logger.LogInformation("成功缓存 {Count} 条节假日数据", holidays.Count);
+            return true;
+        }
+        catch (Exception ex)
+        {
+            // 静默失败，仅记录日志
+            logger.LogError(ex, "获取并缓存节假日数据失败");
+            return false;
+        }
+    }
+
+    public async Task<List<Holiday>> GetHolidaysByYearAsync(int year)
+    {
+        return await holidayRepository.GetByYearAsync(year);
+    }
+
+    public async Task<List<Holiday>> GetHolidaysByDateRangeAsync(string startDate, string endDate)
+    {
+        return await holidayRepository.GetByDateRangeAsync(startDate, endDate);
+    }
+}
+
+/// <summary>
+/// 节假日API响应模型
+/// </summary>
+public class HolidayApiResponse
+{
+    [JsonPropertyName("code")]
+    public int Code { get; set; }
+
+    [JsonPropertyName("msg")]
+    public string Msg { get; set; } = string.Empty;
+
+    [JsonPropertyName("data")]
+    public List<HolidayApiData>? Data { get; set; }
+}
+
+/// <summary>
+/// 节假日API数据模型
+/// </summary>
+public class HolidayApiData
+{
+    [JsonPropertyName("daytype")]
+    public int DayType { get; set; }
+
+    [JsonPropertyName("holiday")]
+    public string Holiday { get; set; } = string.Empty;
+
+    [JsonPropertyName("rest")]
+    public int Rest { get; set; }
+
+    [JsonPropertyName("date")]
+    public string Date { get; set; } = string.Empty;
+
+    [JsonPropertyName("week")]
+    public int Week { get; set; }
+
+    [JsonPropertyName("week_desc_cn")]
+    public string WeekDescCn { get; set; } = string.Empty;
+}