feat: domain/storage/billing/config cmds + rainyun domain/storage/billing services

internal/provider/rainyun/billing.go

@@ -0,0 +1,40 @@
+package rainyun
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"git.yoresee.cc/nightstar/ry/internal/provider"
+)
+
+type BillingService struct {
+	client *client
+}
+
+func (b *BillingService) Orders(ctx context.Context) ([]provider.Order, error) {
+	type rainyunOrder struct {
+		ID          int     `json:"id"`
+		ProductName string  `json:"product_name"`
+		Amount      float64 `json:"amount"`
+		Status      string  `json:"status"`
+		CreateDate  string  `json:"create_date"`
+	}
+	var raw []rainyunOrder
+	if err := b.client.get(ctx, "/expense/orders/list", &raw); err != nil {
+		return nil, err
+	}
+	orders := make([]provider.Order, len(raw))
+	for i, r := range raw {
+		t, _ := time.Parse("2006-01-02 15:04:05", r.CreateDate)
+		orders[i] = provider.Order{
+			ID:      fmt.Sprintf("%d", r.ID),
+			Product: r.ProductName,
+			Amount:  r.Amount,
+			Status:  r.Status,
+			Created: t,
+			Raw:     r,
+		}
+	}
+	return orders, nil
+}