七月迭代短暂完结,还有很多后端的关键东西没有弄,这是一版赶时间做的东西

internal/exporter/agent_wallet_transaction_scene.go

@@ -0,0 +1,168 @@
+package exporter
+
+import (
+	"context"
+	"strconv"
+	"time"
+
+	"gorm.io/gorm"
+
+	"github.com/break/junhong_cmp_fiber/pkg/constants"
+)
+
+// AgentWalletTransactionDataSource 代理主钱包流水导出数据源。
+type AgentWalletTransactionDataSource struct {
+	db *gorm.DB
+}
+
+// NewAgentWalletTransactionDataSource 创建代理主钱包流水导出数据源。
+func NewAgentWalletTransactionDataSource(db *gorm.DB) *AgentWalletTransactionDataSource {
+	return &AgentWalletTransactionDataSource{db: db}
+}
+
+// Scene 返回导出场景编码。
+func (s *AgentWalletTransactionDataSource) Scene() string {
+	return constants.ExportTaskSceneAgentWalletTransaction
+}
+
+// Count 统计代理主钱包流水导出行数。
+func (s *AgentWalletTransactionDataSource) Count(ctx context.Context, params ExportParams) (int, error) {
+	var total int64
+	query := s.applyFilters(s.baseQuery(ctx), params)
+	if err := query.Count(&total).Error; err != nil {
+		return 0, err
+	}
+	return int(total), nil
+}
+
+// Headers 返回代理主钱包流水导出表头。
+func (s *AgentWalletTransactionDataSource) Headers(context.Context, ExportParams) ([]string, error) {
+	return []string{
+		"店铺名称", "交易类型", "交易金额(元)", "状态", "资产类型", "资产标识", "交易时间",
+		"交易前金额(元)", "交易后金额(元)", "购买套餐名称", "操作人", "交易ID", "关联业务订单号", "交易渠道/支付方式",
+	}, nil
+}
+
+// Fetch 按 offset/limit 查询代理主钱包流水导出数据。
+func (s *AgentWalletTransactionDataSource) Fetch(ctx context.Context, params ExportParams, offset, limit int) ([][]string, error) {
+	if limit <= 0 {
+		return [][]string{}, nil
+	}
+
+	var items []agentWalletTransactionExportRow
+	query := s.applyFilters(s.baseQuery(ctx), params).
+		Select(`
+			t.id,
+			t.transaction_type,
+			t.amount,
+			t.status,
+			t.asset_type,
+			t.asset_identifier,
+			t.created_at,
+			t.balance_before,
+			t.balance_after,
+			COALESCE(sh.shop_name, '') AS shop_name,
+			COALESCE(items.package_names, t.metadata ->> 'package_name', '') AS package_name,
+			COALESCE(ac.username, '') AS operator_name,
+			COALESCE(
+				CASE t.reference_type
+					WHEN ? THEN o.order_no
+					WHEN ? THEN ar.recharge_no
+					WHEN ? THEN rr.refund_no
+					WHEN ? THEN wr.withdrawal_no
+					WHEN ? THEN ex.exchange_no
+				END,
+				''
+			) AS business_order_no,
+			COALESCE(t.metadata ->> 'payment_method', '') AS payment_method
+		`, constants.ReferenceTypeOrder, constants.ReferenceTypeTopup, constants.ReferenceTypeRefund, constants.ReferenceTypeWithdrawal, constants.ReferenceTypeExchange).
+		Joins("LEFT JOIN tb_shop AS sh ON sh.id = t.shop_id").
+		Joins("LEFT JOIN tb_account AS ac ON ac.id = COALESCE(NULLIF(t.creator, 0), t.user_id)").
+		Joins("LEFT JOIN tb_order AS o ON t.reference_type = ? AND o.id = t.reference_id AND o.deleted_at IS NULL", constants.ReferenceTypeOrder).
+		Joins("LEFT JOIN tb_agent_recharge_record AS ar ON t.reference_type = ? AND ar.id = t.reference_id AND ar.deleted_at IS NULL", constants.ReferenceTypeTopup).
+		Joins("LEFT JOIN tb_refund_request AS rr ON t.reference_type = ? AND rr.id = t.reference_id AND rr.deleted_at IS NULL", constants.ReferenceTypeRefund).
+		Joins("LEFT JOIN tb_commission_withdrawal_request AS wr ON t.reference_type = ? AND wr.id = t.reference_id AND wr.deleted_at IS NULL", constants.ReferenceTypeWithdrawal).
+		Joins("LEFT JOIN tb_exchange_order AS ex ON t.reference_type = ? AND ex.id = t.reference_id AND ex.deleted_at IS NULL", constants.ReferenceTypeExchange).
+		Joins(`LEFT JOIN LATERAL (
+			SELECT string_agg(oi.package_name, ',' ORDER BY oi.id) AS package_names
+			FROM tb_order_item AS oi
+			WHERE t.reference_type = ?
+				AND oi.order_id = t.reference_id
+				AND oi.deleted_at IS NULL
+		) AS items ON TRUE`, constants.ReferenceTypeOrder).
+		Order("t.id ASC").
+		Limit(limit).
+		Offset(offset)
+	if err := query.Scan(&items).Error; err != nil {
+		return nil, err
+	}
+
+	rows := make([][]string, 0, len(items))
+	for _, item := range items {
+		paymentMethod := item.PaymentMethod
+		if paymentMethod == "" && item.TransactionType == constants.AgentTransactionTypeDeduct {
+			paymentMethod = constants.PaymentMethodWallet
+		}
+		rows = append(rows, []string{
+			item.ShopName,
+			constants.GetAgentTransactionTypeName(item.TransactionType),
+			formatMoneyYuan(item.Amount),
+			constants.GetTransactionStatusName(item.Status),
+			constants.GetWalletAssetTypeName(item.AssetType),
+			item.AssetIdentifier,
+			item.CreatedAt.Format(exportTimeLayout),
+			formatMoneyYuan(item.BalanceBefore),
+			formatMoneyYuan(item.BalanceAfter),
+			item.PackageName,
+			item.OperatorName,
+			strconv.FormatUint(uint64(item.ID), 10),
+			item.BusinessOrderNo,
+			constants.GetBusinessPaymentMethodName(paymentMethod),
+		})
+	}
+	return rows, nil
+}
+
+func (s *AgentWalletTransactionDataSource) baseQuery(ctx context.Context) *gorm.DB {
+	return s.db.WithContext(ctx).
+		Table("tb_agent_wallet_transaction AS t").
+		Joins("INNER JOIN tb_agent_wallet AS w ON w.id = t.agent_wallet_id AND w.wallet_type = ? AND w.deleted_at IS NULL", constants.AgentWalletTypeMain).
+		Where("t.deleted_at IS NULL")
+}
+
+func (s *AgentWalletTransactionDataSource) applyFilters(query *gorm.DB, params ExportParams) *gorm.DB {
+	query = applyExportShopScope(query, params, "t.shop_id")
+	if shopID, ok := filterUint(params.Filters, "shop_id"); ok {
+		query = query.Where("t.shop_id = ?", shopID)
+	}
+	if transactionType, ok := filterString(params.Filters, "transaction_type"); ok {
+		query = query.Where("t.transaction_type = ?", transactionType)
+	}
+	if start, ok := filterTime(params.Filters, "start_date"); ok {
+		query = query.Where("t.created_at >= ?", start)
+	}
+	if end, ok := filterEndDate(params.Filters, "end_date"); ok {
+		query = query.Where("t.created_at <= ?", end)
+	}
+	if assetIdentifier, ok := filterString(params.Filters, "asset_identifier"); ok {
+		query = query.Where("t.asset_identifier = ?", assetIdentifier)
+	}
+	return query
+}
+
+type agentWalletTransactionExportRow struct {
+	ID              uint      `gorm:"column:id"`
+	ShopName        string    `gorm:"column:shop_name"`
+	TransactionType string    `gorm:"column:transaction_type"`
+	Amount          int64     `gorm:"column:amount"`
+	Status          int       `gorm:"column:status"`
+	AssetType       string    `gorm:"column:asset_type"`
+	AssetIdentifier string    `gorm:"column:asset_identifier"`
+	CreatedAt       time.Time `gorm:"column:created_at"`
+	BalanceBefore   int64     `gorm:"column:balance_before"`
+	BalanceAfter    int64     `gorm:"column:balance_after"`
+	PackageName     string    `gorm:"column:package_name"`
+	OperatorName    string    `gorm:"column:operator_name"`
+	BusinessOrderNo string    `gorm:"column:business_order_no"`
+	PaymentMethod   string    `gorm:"column:payment_method"`
+}