压缩历史至 95081aff

internal/model/order_transfers.go

@@ -0,0 +1,55 @@
+/*
+Copyright 2025 linux.do
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package model
+
+import (
+	"context"
+	"time"
+
+	"github.com/linux-do/credit/internal/db"
+	"github.com/shopspring/decimal"
+)
+
+type OrderTransferStatus string
+
+const (
+	OrderTransferStatusPending   OrderTransferStatus = "pending"
+	OrderTransferStatusCompleted OrderTransferStatus = "completed"
+)
+
+type OrderTransfer struct {
+	ID          uint64              `json:"id,string" gorm:"primaryKey;autoIncrement"`
+	OrderID     uint64              `json:"order_id,string" gorm:"index;uniqueIndex:uk_order_id;index:idx_order_status,priority:1"`
+	PayeeUserID uint64              `json:"payee_user_id" gorm:"index"`
+	Amount      decimal.Decimal     `json:"amount" gorm:"type:numeric(20,2);not null"`
+	Status      OrderTransferStatus `json:"status" gorm:"type:varchar(20);not null;index:idx_status_transfer_at,priority:1;index:idx_order_status,priority:2"`
+	TransferAt  time.Time           `json:"transfer_at" gorm:"not null;index:idx_status_transfer_at,priority:2"`
+	CreatedAt   time.Time           `json:"created_at" gorm:"autoCreateTime;index"`
+	UpdatedAt   time.Time           `json:"updated_at" gorm:"autoUpdateTime;index"`
+}
+
+func GetDueTransferOrders(ctx context.Context, limit int) ([]OrderTransfer, error) {
+	var transfers []OrderTransfer
+	if err := db.DB(ctx).
+		Where("status = ? AND transfer_at <= ?", OrderTransferStatusPending, time.Now()).
+		Order("status, transfer_at ASC").
+		Limit(limit).
+		Find(&transfers).Error; err != nil {
+		return nil, err
+	}
+	return transfers, nil
+}