forked from Alex13658/SchoolServer
/
mail-send-letter.go
113 lines (107 loc) · 3.99 KB
/
mail-send-letter.go
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// mail-send-letter
package restapi
import (
"encoding/json"
"net/http"
"strconv"
"strings"
)
// sendLetterRequest используется в SendLetterHandler
type sendLetterRequest struct {
UserID int `json:"user_id"`
LBC []int `json:"to"`
LCC []int `json:"copy"`
LTO []int `json:"hidden_copy"`
Name string `json:"title"`
Message string `json:"description"`
Notification bool `json:"notification"`
IsDraft bool `json:"is_draft"`
}
// SendLetterHandler обрабатывает запросы на создание письма
func (rest *RestAPI) SendLetterHandler(respwr http.ResponseWriter, req *http.Request) {
rest.logger.Info("REST: SendLetterHandler called", "IP", req.RemoteAddr)
// Проверка метода запроса
if req.Method != "POST" {
rest.logger.Info("REST: Wrong method", "Method", req.Method, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusMethodNotAllowed)
return
}
// Получить существующие имя и объект локальной сессии
sessionName, session := rest.getLocalSession(respwr, req)
if session == nil {
return
}
// Чтение запроса от клиента
var rReq sendLetterRequest
decoder := json.NewDecoder(req.Body)
err := decoder.Decode(&rReq)
if err != nil {
rest.logger.Info("REST: Malformed request data", "Error", err.Error(), "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusBadRequest)
status, err := respwr.Write(rest.Errors.MalformedData)
if err != nil {
rest.logger.Error("REST: Error occured when sending response", "Error", err, "Status", status, "IP", req.RemoteAddr)
} else {
rest.logger.Info("REST: Successfully sent response", "IP", req.RemoteAddr)
}
return
}
// Распечатаем запрос от клиента
rest.logger.Info("REST: Request data", "Data", rReq, "IP", req.RemoteAddr)
// Получим удаленную сессию
remoteSession, ok := rest.sessionsMap[sessionName]
if !ok {
// Если нет удаленной сессии
rest.logger.Info("REST: No remote session", "IP", req.RemoteAddr)
// Создать новую
remoteSession = rest.remoteRelogin(respwr, req, session)
if remoteSession == nil {
return
}
}
// Сформировать аргументы
LBC := make([]string, 0)
for _, id := range rReq.LBC {
LBC = append(LBC, strconv.Itoa(id))
}
lbc := strings.Join(LBC, ";")
LCC := make([]string, 0)
for _, id := range rReq.LCC {
LCC = append(LCC, strconv.Itoa(id))
}
lcc := strings.Join(LCC, ";")
LTO := make([]string, 0)
for _, id := range rReq.LTO {
LTO = append(LTO, strconv.Itoa(id))
}
lto := strings.Join(LTO, ";")
// Сходить по удаленной сессии
err = remoteSession.CreateEmail(strconv.Itoa(rReq.UserID), lbc, lcc, lto, rReq.Name, rReq.Message, rReq.Notification, rReq.IsDraft)
if err != nil {
if strings.Contains(err.Error(), "You was logged out from server") {
// Если удаленная сессия есть, но не активна
rest.logger.Info("REST: Remote connection timed out", "IP", req.RemoteAddr)
// Создать новую
remoteSession = rest.remoteRelogin(respwr, req, session)
if remoteSession == nil {
return
}
// Повторно получить с сайта школы
err = remoteSession.CreateEmail(strconv.Itoa(rReq.UserID), lbc, lcc, lto, rReq.Name, rReq.Message, rReq.Notification, rReq.IsDraft)
if err != nil {
// Ошибка
rest.logger.Error("REST: Error occured when getting data from site", "Error", err, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusBadGateway)
return
}
} else {
// Другая ошибка
rest.logger.Error("REST: Error occured when getting data from site", "Error", err, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusBadGateway)
return
}
}
// Отправить ответ клиенту
rest.logger.Info("REST: Successfully sent letter", "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusOK)
}