4445b8e8bf
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56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
// Package house_transaction 提供成交记录领域服务。
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package house_transaction
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import (
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"context"
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"github.com/gogf/gf/v2/errors/gerror"
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"service.xpcool.com/internal/dao"
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"service.xpcool.com/internal/model/dto"
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)
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// ITransaction 成交记录领域服务接口。
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type ITransaction interface {
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List(context.Context, int, int, string, string) ([]dto.HouseTransactionVO, int, error)
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}
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type transaction struct{}
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var localTransaction ITransaction
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func NewTransaction() ITransaction { return &transaction{} }
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// Transaction 返回已注册的成交服务实现。
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func Transaction() ITransaction {
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if localTransaction == nil {
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panic("Transaction implementation not registered")
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}
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return localTransaction
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}
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// RegisterTransaction 注册成交服务实现。
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func RegisterTransaction(i ITransaction) { localTransaction = i }
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// List 分页查询成交记录，关联小区名，按成交日期倒序。
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func (s *transaction) List(ctx context.Context, page, size int, region, keyword string) ([]dto.HouseTransactionVO, int, error) {
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m := dao.HouseTransaction.Ctx(ctx).As("t").
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LeftJoin("house_community c", "t.community_id=c.id").
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Fields("t.*, c.name AS community_name")
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if region != "" {
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m = m.Where("c.region", region)
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}
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if keyword != "" {
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m = m.Where("c.name LIKE ? OR t.layout LIKE ?", "%"+keyword+"%", "%"+keyword+"%")
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}
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total, err := m.Clone().Count()
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if err != nil {
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return nil, 0, gerror.Wrap(err, "count transaction")
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}
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var list []dto.HouseTransactionVO
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if err = m.Clone().Page(page, size).OrderDesc("t.deal_date").Scan(&list); err != nil {
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return nil, 0, gerror.Wrap(err, "query transaction list")
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}
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return list, total, nil
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}
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