增加 运营开支

backend/internal/modules/adminfinance/disbursement.go

@@ -2,6 +2,23 @@ package adminfinance
 
 import "context"
 
+type dailyOperatingExpenseRow struct {
+	Date       string
+	AmountCent int64
+	Count      int64
+}
+
+func (r *Repository) dailyOperatingExpenses(ctx context.Context, query DashboardQuery) ([]dailyOperatingExpenseRow, error) {
+	rows := make([]dailyOperatingExpenseRow, 0)
+	err := r.db.WithContext(ctx).Table("operating_expenses").
+		Select(`DATE(occurred_at) AS date, COALESCE(SUM(amount_cent), 0) AS amount_cent, COUNT(id) AS count`).
+		Where("status = ?", "paid").
+		Where("occurred_at >= ? AND occurred_at <= ?", query.StartDate, query.EndDate).
+		Group("DATE(occurred_at)").
+		Scan(&rows).Error
+	return rows, err
+}
+
 // disbursementSummary 使用实际确认打款时间统计区间出款，同时返回不受日期限制的当前待办。
 func (r *Repository) disbursementSummary(ctx context.Context, query DashboardQuery) (*DisbursementSummaryDTO, error) {
 	db := r.db.WithContext(ctx)