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_recharge_scene.go

@@ -0,0 +1,190 @@
+package exporter
+
+import (
+	"context"
+	"time"
+
+	"gorm.io/gorm"
+
+	"github.com/break/junhong_cmp_fiber/pkg/constants"
+)
+
+// AgentRechargeDataSource 代理充值导出数据源。
+type AgentRechargeDataSource struct {
+	db *gorm.DB
+}
+
+// NewAgentRechargeDataSource 创建代理充值导出数据源。
+func NewAgentRechargeDataSource(db *gorm.DB) *AgentRechargeDataSource {
+	return &AgentRechargeDataSource{db: db}
+}
+
+// Scene 返回导出场景编码。
+func (s *AgentRechargeDataSource) Scene() string {
+	return constants.ExportTaskSceneAgentRecharge
+}
+
+// Count 统计代理充值导出行数。
+func (s *AgentRechargeDataSource) 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 返回代理充值导出表头。
+func (s *AgentRechargeDataSource) Headers(context.Context, ExportParams) ([]string, error) {
+	return []string{
+		"充值单号", "店铺名称", "充值类型", "充值金额(元)", "实付金额(元)", "充值前余额(元)", "充值后余额(元)",
+		"状态", "支付方式", "运营备注", "驳回原因", "创建时间", "支付时间", "完成时间", "提交人", "审批来源", "审批状态", "支付凭证",
+	}, nil
+}
+
+// Fetch 按 offset/limit 查询代理充值导出数据。
+func (s *AgentRechargeDataSource) Fetch(ctx context.Context, params ExportParams, offset, limit int) ([][]string, error) {
+	if limit <= 0 {
+		return [][]string{}, nil
+	}
+
+	var items []agentRechargeExportRow
+	query := s.applyFilters(s.baseQuery(ctx), params).
+		Select(`
+			r.recharge_no,
+			r.amount,
+			r.payment_method,
+			r.status,
+			r.remark,
+			COALESCE(r.rejection_reason, '') AS rejection_reason,
+			r.created_at,
+			r.paid_at,
+			r.completed_at,
+			COALESCE(sh.shop_name, '') AS shop_name,
+			COALESCE(ac.username, '') AS submitter_name,
+			ai.provider AS approval_provider,
+			ai.status AS approval_status,
+			wt.amount AS actual_amount,
+			wt.balance_before,
+			wt.balance_after,
+			COALESCE((SELECT string_agg(voucher.value, ',' ORDER BY voucher.ordinality)
+				FROM jsonb_array_elements_text(COALESCE(r.payment_voucher_key, '[]'::jsonb)) WITH ORDINALITY AS voucher(value, ordinality)), '') AS voucher_keys
+		`).
+		Joins("LEFT JOIN tb_shop AS sh ON sh.id = r.shop_id").
+		Joins("LEFT JOIN tb_account AS ac ON ac.id = r.user_id").
+		Joins("LEFT JOIN tb_approval_instance AS ai ON ai.id = r.approval_instance_id").
+		Joins(`LEFT JOIN LATERAL (
+			SELECT t.amount, t.balance_before, t.balance_after
+			FROM tb_agent_wallet_transaction AS t
+			WHERE t.reference_type = ?
+				AND t.reference_id = r.id
+				AND t.transaction_type = ?
+				AND t.status = ?
+				AND t.deleted_at IS NULL
+			ORDER BY t.id ASC
+			LIMIT 1
+		) AS wt ON TRUE`, constants.ReferenceTypeTopup, constants.AgentTransactionTypeRecharge, constants.TransactionStatusSuccess).
+		Order("r.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 {
+		rows = append(rows, []string{
+			item.RechargeNo,
+			item.ShopName,
+			formatRechargeType(item.PaymentMethod),
+			formatMoneyYuan(item.Amount),
+			formatOptionalMoneyYuan(item.ActualAmount),
+			formatOptionalMoneyYuan(item.BalanceBefore),
+			formatOptionalMoneyYuan(item.BalanceAfter),
+			constants.GetRechargeStatusName(item.Status),
+			constants.GetBusinessPaymentMethodName(item.PaymentMethod),
+			item.Remark,
+			item.RejectionReason,
+			item.CreatedAt.Format(exportTimeLayout),
+			formatOptionalTime(item.PaidAt),
+			formatOptionalTime(item.CompletedAt),
+			item.SubmitterName,
+			formatApprovalProvider(item.ApprovalProvider),
+			formatOptionalApprovalStatus(item.ApprovalStatus),
+			item.VoucherKeys,
+		})
+	}
+	return rows, nil
+}
+
+func (s *AgentRechargeDataSource) baseQuery(ctx context.Context) *gorm.DB {
+	return s.db.WithContext(ctx).Table("tb_agent_recharge_record AS r").Where("r.deleted_at IS NULL")
+}
+
+func (s *AgentRechargeDataSource) applyFilters(query *gorm.DB, params ExportParams) *gorm.DB {
+	query = applyExportShopScope(query, params, "r.shop_id")
+	if shopID, ok := filterUint(params.Filters, "shop_id"); ok {
+		query = query.Where("r.shop_id = ?", shopID)
+	}
+	if status, ok := filterInt(params.Filters, "status"); ok {
+		query = query.Where("r.status = ?", status)
+	}
+	if start, ok := filterTime(params.Filters, "start_date"); ok {
+		query = query.Where("r.created_at >= ?", start)
+	}
+	if end, ok := filterEndDate(params.Filters, "end_date"); ok {
+		query = query.Where("r.created_at <= ?", end)
+	}
+	return query
+}
+
+type agentRechargeExportRow struct {
+	RechargeNo       string     `gorm:"column:recharge_no"`
+	ShopName         string     `gorm:"column:shop_name"`
+	Amount           int64      `gorm:"column:amount"`
+	ActualAmount     *int64     `gorm:"column:actual_amount"`
+	BalanceBefore    *int64     `gorm:"column:balance_before"`
+	BalanceAfter     *int64     `gorm:"column:balance_after"`
+	PaymentMethod    string     `gorm:"column:payment_method"`
+	Status           int        `gorm:"column:status"`
+	Remark           string     `gorm:"column:remark"`
+	RejectionReason  string     `gorm:"column:rejection_reason"`
+	CreatedAt        time.Time  `gorm:"column:created_at"`
+	PaidAt           *time.Time `gorm:"column:paid_at"`
+	CompletedAt      *time.Time `gorm:"column:completed_at"`
+	SubmitterName    string     `gorm:"column:submitter_name"`
+	ApprovalProvider *string    `gorm:"column:approval_provider"`
+	ApprovalStatus   *int       `gorm:"column:approval_status"`
+	VoucherKeys      string     `gorm:"column:voucher_keys"`
+}
+
+func formatRechargeType(paymentMethod string) string {
+	if paymentMethod == constants.RechargeMethodOffline {
+		return "员工线下代充值"
+	}
+	return "在线充值"
+}
+
+func formatOptionalMoneyYuan(value *int64) string {
+	if value == nil {
+		return ""
+	}
+	return formatMoneyYuan(*value)
+}
+
+func formatApprovalProvider(provider *string) string {
+	if provider == nil || *provider == "" {
+		return ""
+	}
+	if *provider == constants.IntegrationProviderWeCom {
+		return "企业微信"
+	}
+	return *provider
+}
+
+func formatOptionalApprovalStatus(status *int) string {
+	if status == nil {
+		return ""
+	}
+	return constants.GetApprovalStatusName(*status)
+}