/
model_elements_export.go
205 lines (177 loc) · 6.33 KB
/
model_elements_export.go
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package actions
import (
"context"
"fmt"
"mime"
"os"
"path/filepath"
"strings"
"time"
"github.com/google/uuid"
"go.uber.org/zap"
"golang.org/x/exp/slices"
"github.com/aeroideaservices/focus/models/plugin/entity"
"github.com/aeroideaservices/focus/models/plugin/focus"
"github.com/aeroideaservices/focus/services/errors"
)
type Export struct {
repository ExportInfoRepository
modelsRegistry ModelsRegistry
exporter Exporter
fileStorage FileStorage
logger *zap.SugaredLogger
fileStorageBaseEndpoint string
}
func NewExport(
repository ExportInfoRepository,
modelsRegistry ModelsRegistry,
exporter Exporter,
fileStorage FileStorage,
logger *zap.SugaredLogger,
fileStorageBaseEndpoint string,
) *Export {
return &Export{
repository: repository,
modelsRegistry: modelsRegistry,
exporter: exporter,
fileStorage: fileStorage,
logger: logger,
fileStorageBaseEndpoint: fileStorageBaseEndpoint,
}
}
func (s Export) Export(ctx context.Context, action ExportModelElements) error {
model := s.modelsRegistry.GetModel(action.ModelCode)
if model == nil {
return errors.NotFound.Newf("model with code \"%s\" not found", action.ModelCode)
}
filter := ListModelElementsQuery{
ModelCode: model.Code,
SelectFields: nil,
OrderBy: action.OrderBy,
}
// преобразуем значения фильтров к нужным типам
for fieldCode, values := range action.Filter {
field := model.Fields.GetByCode(fieldCode)
if field == nil || !field.Filterable {
return errors.BadRequest.New("got wrong field code for filter")
}
if field.IsTime && len(values) != 2 {
return errors.BadRequest.Newf("field \"%s\" must contains two values", fieldCode)
}
vs, err := field.Slice(values)
if err != nil {
return errors.NoType.Wrap(err, "error converting filter values")
}
filter.Filter.FieldsFilter[fieldCode] = vs
}
// получаем коды полей, которые нужно вернуть в запросе
for _, field := range model.Fields {
if !slices.Contains(field.Hidden, focus.ListView) || field == model.PrimaryKey { // всегда возвращаем PK
filter.SelectFields = append(filter.SelectFields, field.Code)
}
}
go s.export(ctx, model, filter)
return nil
}
func (s Export) GetExportInfo(ctx context.Context, action GetExportInfo) (any, error) {
s.logger.Debug("getting model export info", "dto", action)
model := s.modelsRegistry.GetModel(action.ModelCode)
if model == nil {
return nil, errors.NotFound.Newf("model with code \"%s\" not found", action.ModelCode)
}
exportInfo, err := s.repository.GetLast(ctx, model.Code)
if err != nil {
return nil, err
}
return exportInfo, nil
}
func (s Export) export(ctx context.Context, model *focus.Model, filter ListModelElementsQuery) {
s.logger.Debugw("start exporting model", "modelCode", model.Code)
s.logger.Debugw("creating export info", "modelCode", model.Code)
export := entity.ExportInfo{
ID: uuid.New(),
ModelCode: filter.ModelCode,
Status: entity.StatusPending,
Time: time.Now(),
}
err := s.repository.Create(ctx, export)
if err != nil {
s.logger.Errorw("error creating export info", "err", err)
return
}
s.logger.Debugw("export info has been created", "modelCode", model.Code)
defer func() { // ставим таймер удаления записи
go func() { defer s.delete(export.ID); time.Sleep(time.Minute * 5) }()
}()
s.logger.Debugw("getting model export file", "modelCode", model.Code)
file, err := s.exporter.GetFile(ctx, model, filter)
if err != nil {
s.logger.Errorw("error exporting model", "err", err)
export.Status = entity.StatusError
err = s.repository.Update(ctx, export)
if err != nil {
s.logger.Errorw("error updating export info", "err", err)
}
return
}
_ = file.Close()
fileReader, err := os.Open(file.Name())
if err != nil {
s.logger.Errorw("error reading file", "err", err)
return
}
defer func(fileReader *os.File) { _ = fileReader.Close() }(fileReader)
s.logger.Debugw("got temporary model export file", "modelCode", model.Code, "filename", file.Name())
s.logger.Debugw("uploading file to file storage", "modelCode", model.Code)
key := fmt.Sprintf("models/%s_%s%s", model.Code, time.Now().Format("2006-01-02_15:04:05"), filepath.Ext(file.Name()))
export.Filepath = s.fileStorageBaseEndpoint + "/" + key // todo
createFile := &CreateFile{
Key: key,
ContentType: mime.TypeByExtension(filepath.Ext(file.Name())),
File: fileReader,
}
if err = s.fileStorage.Upload(ctx, createFile); err != nil {
s.logger.Errorw("error uploading export file", "err", err)
s.logger.Debugw("updating export info", "modelCode", model.Code)
export.Status = entity.StatusError
err = s.repository.Update(ctx, export)
if err != nil {
s.logger.Errorw("error updating export info", "err", err)
} else {
s.logger.Debugw("export info has been updated", "modelCode", model.Code)
}
return
}
s.logger.Debugw("file has been uploaded to file storage", "modelCode", model.Code, "filepath", export.Filepath)
s.logger.Debugw("updating export info", "modelCode", model.Code)
export.Status = entity.StatusSucceed
err = s.repository.Update(ctx, export)
if err != nil {
s.logger.Errorw("error updating export info", "err", err)
}
s.logger.Debugw("export info has been updated", "modelCode", model.Code)
s.logger.Debugw("model has been exported", "modelCode", model.Code)
}
func (s Export) delete(exportInfoId uuid.UUID) {
s.logger.Debugw("deleting export file", "exportInfoId", exportInfoId)
s.logger.Debugw("deleting export info", "id", exportInfoId)
ctx := context.Background()
exportFilepath, err := s.repository.Delete(ctx, exportInfoId)
if err != nil {
s.logger.Errorw("error deleting export info", "err", err)
return
}
s.logger.Debugw("export info has been deleted", "id", exportInfoId)
if exportFilepath == "" {
s.logger.Errorw("export filepath is empty", "err", err)
return
}
s.logger.Debugw("deleting export file", "filepath", exportFilepath)
key := strings.TrimPrefix(exportFilepath, s.fileStorageBaseEndpoint+"/")
err = s.fileStorage.Delete(ctx, key)
if err != nil {
s.logger.Errorw("error deleting export file", "err", err)
return
}
s.logger.Debugw("export file has been deleted", "filepath", exportFilepath)
}