calculate_set_preview.go
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package service
import (
"fmt"
"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/querySet/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"
"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/infrastructure/excel"
"time"
)
func (querySetService *QuerySetService) CalculateSetPreview(ctx *domain.Context, updateQuerySetCommand *command.UpdateQuerySetCommand) (interface{}, error) {
if err := updateQuerySetCommand.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 querySet *domain.QuerySet
_, querySet, err = factory.FastPgQuerySet(transactionContext, updateQuerySetCommand.QuerySetId)
if err != nil {
return nil, factory.FastError(err)
}
svr, _ := factory.FastQuerySetServices(transactionContext)
var dataTable *domain.DataTable
dataTable, err = svr.LoadCalculateSetData(ctx, querySet, updateQuerySetCommand.QueryComponents)
if err != nil {
return nil, factory.FastError(err)
}
response := (&dto.TablePreviewDto{})
response.ObjectType = querySet.Type
response.Name = querySet.Name
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
}
func (querySetService *QuerySetService) CalculateSetExport(ctx *domain.Context, updateQuerySetCommand *command.UpdateQuerySetCommand) (interface{}, error) {
if err := updateQuerySetCommand.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 querySet *domain.QuerySet
_, querySet, err = factory.FastPgQuerySet(transactionContext, updateQuerySetCommand.QuerySetId)
if err != nil {
return nil, factory.FastError(err)
}
svr, _ := factory.FastQuerySetServices(transactionContext)
var dataTable *domain.DataTable
dataTable, err = svr.LoadCalculateSetData(ctx, querySet, updateQuerySetCommand.QueryComponents)
if err != nil {
return nil, factory.FastError(err)
}
var fields []string
//for i := range dataTable.Fields {
// fields = append(fields, dataTable.Fields[i].Name)
//}
filename := fmt.Sprintf("%v_%v.xlsx", querySet.Name, time.Now().Format("060102150405"))
path := fmt.Sprintf("public/%v", filename)
excelWriter := excel.NewXLXSWriterTo(fields, dataTable.Data)
excelWriter.IgnoreTitle = true
if err = excelWriter.Save(path); err != nil {
return nil, factory.FastError(err)
}
if err := transactionContext.CommitTransaction(); err != nil {
return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
}
return map[string]interface{}{
"url": domain.DownloadUrl(filename),
}, err
}