// AssignValue assign form values to model.
func AssignValue(model interface{}, form interface{}) {
modelIndirect := reflect.Indirect(reflect.ValueOf(model))
formElem := reflect.ValueOf(form).Elem()
typeOfTForm := formElem.Type()
for i := 0; i < formElem.NumField(); i++ {
modelField := modelIndirect.FieldByName(typeOfTForm.Field(i).Name)
if modelField.IsValid() {
formField := formElem.Field(i)
modelField.Set(formField)
} else {
log.Warnf("modelField : %s - %s", typeOfTForm.Field(i).Name, modelField)
}
}
}
// Concurrent.
func Concurrent(reader *multipart.Reader, result Result) (int, error) {
c := make(chan Result)
defer close(c)
go func() {
c <- result
}()
timeout := time.After(config.UploadTimeout)
select {
case res := <-c:
log.Debugf("End of Upload : %v", res)
workingNow := atomic.AddInt32(BusyWorker, -1)
log.Debugf("All files are Done. Working concurrencyer count : %d", workingNow)
if workingNow == 0 {
return res.Code, res.Error
}
case <-timeout:
err := errors.New("Request timed out.")
log.Warnf(err.Error())
return http.StatusBadRequest, err
}
return http.StatusBadRequest, errors.New("Invalid Request.")
}
// articleUploader is a uploader that uploading files and sync articles.
func articleUploader() concurrency.ConcurrencyManager {
return func(reader *multipart.Reader) concurrency.Result {
atomic.AddInt32(concurrency.BusyWorker, 1)
var articles []model.Article
formDataBuffer := make([]byte, 100000)
fileCount := 0
sqlStrBuffer := new(bytes.Buffer)
stringHelper.Concat(sqlStrBuffer, "INSERT INTO article(user_id, title, url, content, image_name, created_at) VALUES ")
values := []interface{}{}
var result concurrency.Result
result.Code = http.StatusOK
for {
part, err := reader.NextPart()
if err == io.EOF {
break
}
if part.FileName() == "" {
if part.FormName() != "" {
log.Debug("formName : " + part.FormName())
n, err := part.Read(formDataBuffer)
if err != nil {
log.Warnf("Multipart read failed. , (Error Detail : %s)", err.Error())
result.Code = http.StatusBadRequest
result.Error = err
return result
}
log.Debugf("data : %s ", formDataBuffer)
err = json.Unmarshal(formDataBuffer[:n], &articles)
if err != nil {
log.Warnf("Json unmarshal failed. , (Error Detail : %s)", err.Error())
result.Code = http.StatusBadRequest
result.Error = err
return result
}
log.Debugf("err %s", err)
log.Debugf("article : %v\n", articles)
log.Debugf("article len : %d\n", len(articles))
}
continue
}
err = upload.UploadImageFile("", part)
if err != nil {
log.Error("Image uploading failed. : " + err.Error())
result.Code = http.StatusBadRequest
result.Error = err
return result
}
if fileCount < len(articles) {
stringHelper.Concat(sqlStrBuffer, "(?, ?, ?, ?, ?, ?),")
values = append(values, user.Id, articles[fileCount].Title, articles[fileCount].Url, articles[fileCount].Content, articles[fileCount].ImageName, time.Now())
// db.ORM.Create(&articles[fileCount])
fileCount += 1
}
log.Debug("File uploaded.")
log.Infof("File Count : %d\n", fileCount)
}
sqlStr := sqlStrBuffer.String()
sqlStr = sqlStr[0 : len(sqlStr)-1]
log.Debugf("sqlStr for Article : %s", sqlStr)
db.ORM.Exec(sqlStr, values...)
return result
}
}