table_preview_calculate_set.go
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package service
import (
"github.com/linmadan/egglib-go/core/application"
"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/application/factory"
"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/application/table/command"
"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/application/table/dto"
"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/domain"
)
func (tableService *TableService) CalculateTablePreview(ctx *domain.Context, cmd *command.TablePreviewCommand) (interface{}, error) {
if err := cmd.ValidateCommand(); err != nil {
return nil, application.ThrowError(application.ARG_ERROR, err.Error())
}
transactionContext, err := factory.CreateTransactionContext(nil)
if err != nil {
return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
}
if err := transactionContext.StartTransaction(); err != nil {
return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
}
defer func() {
transactionContext.RollbackTransaction()
}()
var table *domain.QuerySet
_, table, err = factory.FastPgQuerySet(transactionContext, cmd.TableId)
if err != nil {
return nil, factory.FastError(err)
}
svr, _ := factory.FastQuerySetServices(transactionContext)
var dataTable *domain.DataTable
dataTable, err = svr.LoadCalculateSetData(ctx, table, table.QueryComponents)
if err != nil {
return nil, factory.FastError(err)
}
response := (&dto.TablePreviewDto{})
response.Fields = dataTable.Fields
response.Data = domain.GripData(domain.ToFieldData(dataTable.Fields, dataTable.Data, false), int64(len(dataTable.Data)))
if err := transactionContext.CommitTransaction(); err != nil {
return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
}
return response, nil
}