fix

Service/BudgetService.cs

@@ -58,6 +58,7 @@ public class BudgetService(
                     Category = c.Category,
                     SelectedCategories = c.SelectedCategories,
                     NoLimit = c.NoLimit,
+                    IsMandatoryExpense = c.IsMandatoryExpense,
                     Description = c.Description,
                     PeriodStart = periodRange.start,
                     PeriodEnd = periodRange.end,
@@ -206,7 +207,8 @@ public class BudgetService(
                 Limit = budget.Limit,
                 Category = budget.Category,
                 SelectedCategories = selectedCategories,
-                StartDate = new DateTime(referenceDate.Year, referenceDate.Month, 1)
+                StartDate = new DateTime(referenceDate.Year, referenceDate.Month, 1),
+                IsMandatoryExpense = budget.IsMandatoryExpense
             }, referenceDate);
             if (budget.Type == statType)
             {
@@ -254,6 +256,7 @@ public class BudgetService(
             Category = b.Category,
             SelectedCategories = b.SelectedCategories,
             NoLimit = b.NoLimit,
+            IsMandatoryExpense = b.IsMandatoryExpense,
             Description = b.Description
         }).ToArray();
 
@@ -437,7 +440,40 @@ public class BudgetService(
         var referenceDate = now ?? DateTime.Now;
         var (startDate, endDate) = GetPeriodRange(budget.StartDate, budget.Type, referenceDate);
 
-        return await budgetRepository.GetCurrentAmountAsync(budget, startDate, endDate);
+        var actualAmount = await budgetRepository.GetCurrentAmountAsync(budget, startDate, endDate);
+
+        // 如果是硬性消费，且是当前年当前月，则根据经过的天数累加
+        if (actualAmount == 0
+            && budget.IsMandatoryExpense
+            && referenceDate.Year == startDate.Year
+            && referenceDate.Month == startDate.Month)
+        {
+            if (budget.Type == BudgetPeriodType.Month)
+            {
+                // 计算本月的天数
+                var daysInMonth = DateTime.DaysInMonth(referenceDate.Year, referenceDate.Month);
+                // 计算当前已经过的天数（包括今天）
+                var daysElapsed = referenceDate.Day;
+                // 根据预算金额和经过天数计算应累加的金额
+                var mandatoryAccumulation = budget.Limit * daysElapsed / daysInMonth;
+                // 返回实际消费和硬性消费累加中的较大值
+                return mandatoryAccumulation;
+            }
+            else if (budget.Type == BudgetPeriodType.Year)
+            {
+                // 计算本年的天数（考虑闰年）
+                var daysInYear = DateTime.IsLeapYear(referenceDate.Year) ? 366 : 365;
+                // 计算当前已经过的天数（包括今天）
+                var daysElapsed = referenceDate.DayOfYear;
+                // 根据预算金额和经过天数计算应累加的金额
+                var mandatoryAccumulation = budget.Limit * daysElapsed / daysInYear;
+                // 返回实际消费和硬性消费累加中的较大值
+                return mandatoryAccumulation;
+            }
+
+        }
+
+        return actualAmount;
     }
 
     internal static (DateTime start, DateTime end) GetPeriodRange(DateTime startDate, BudgetPeriodType type, DateTime referenceDate)
@@ -793,6 +829,7 @@ public record BudgetResult
     public DateTime? PeriodStart { get; set; }
     public DateTime? PeriodEnd { get; set; }
     public bool NoLimit { get; set; } = false;
+    public bool IsMandatoryExpense { get; set; } = false;
     public string Description { get; set; } = string.Empty;
 
     public static BudgetResult FromEntity(
@@ -825,6 +862,7 @@ public record BudgetResult
             PeriodStart = start,
             PeriodEnd = end,
             NoLimit = entity.NoLimit,
+            IsMandatoryExpense = entity.IsMandatoryExpense,
             Description = description
         };
     }