func getVotes(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
funcPrefix := "Getting all votes with results"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
log.Debug.Printf("%s: authenticating user...\n", funcPrefix)
user, error := storageConnection.Authenticate(r.Header.Get("auth_token"))
if error != nil {
log.Error.Printf("%s: user authentication failed\n", funcPrefix)
w.WriteHeader(400)
return
}
log.Debug.Printf("%s: getting all votes with results from storage...\n", funcPrefix)
votes, err := storageConnection.GetAllVotesWithResult(*user)
if err != nil {
log.Error.Printf("%s: getting all votes with results from storage failed: %s\n", funcPrefix, err.Error())
w.WriteHeader(400)
return
}
res := storage.VotesStatus{
Votes: votes,
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
if json.NewEncoder(w).Encode(res) != nil {
log.Error.Printf("%s: encoding response failed\n", funcPrefix)
w.WriteHeader(500)
}
}
func (s *TcpSocket) handleAuth(packet *PulsePacket) {
funcPrefix := "Authenticating user"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
var params CSAuthRequest
log.Debug.Printf("%s: unmarshaling params...\n", funcPrefix)
err := json.Unmarshal(packet.content, ¶ms)
if err != nil {
log.Error.Printf("%s: unmarshaling params failed: %s\n", funcPrefix, err.Error())
return
}
log.Debug.Printf("%s: authenticating user...\n", funcPrefix)
user, authErr := storageConnection.Authenticate(params.Token)
if authErr != nil {
log.Error.Printf("%s: user authentication failed\n", funcPrefix)
return
}
s.user = *user
var b bytes.Buffer
err = json.NewEncoder(&b).Encode(s.user)
if err != nil {
log.Error.Printf("%s: encoding result failed: %s\n", funcPrefix, err.Error())
return
}
replyPacket := InitPacket(SC_AUTH, b.Bytes())
s.SendPacket(&replyPacket)
}
func (s *TcpSocket) handleGetVotes(packet *PulsePacket) {
funcPrefix := "Getting all votes with results"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
log.Debug.Printf("%s: getting all votes with results from storage...\n", funcPrefix)
votes, err := storageConnection.GetAllVotesWithResult(s.user)
if err != nil {
log.Error.Printf("%s: getting all votes with results from storage failed: %s\n", funcPrefix, err.Error())
return
}
res := storage.VotesStatus{
Votes: votes,
}
var b bytes.Buffer
err = json.NewEncoder(&b).Encode(res)
if err != nil {
log.Error.Printf("%s: encoding result failed: %s\n", funcPrefix, err.Error())
return
}
replyPacket := InitPacket(SC_GET_VOTES_RESULT, b.Bytes())
s.SendPacket(&replyPacket)
}
func (s *TcpSocket) handleNewVote(packet *PulsePacket) {
funcPrefix := "New vote creation"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
var params CSCreateVoteRequest
log.Debug.Printf("%s: unmarshaling params...\n", funcPrefix)
err := json.Unmarshal(packet.content, ¶ms)
if err != nil {
log.Error.Printf("%s: unmarshaling params failed: %s\n", funcPrefix, err.Error())
return
}
log.Debug.Printf("%s: adding new vote to storage...\n", funcPrefix)
vote, err1 := storageConnection.NewVote(params.Name, s.user.Id)
if err1 != nil {
log.Error.Printf("%s: adding vote '%s' to storage failed: %s\n", funcPrefix, params.Name, err.Error())
return
}
log.Debug.Printf("%s: getting vote result status...\n", funcPrefix)
res, err2 := storageConnection.GetVoteResultStatus(*vote, s.user, storageConnection.UsersCount())
if err2 != nil {
log.Error.Printf("%s: getting vote result status failed: %s\n", funcPrefix, err.Error())
return
}
log.Debug.Printf("%s: getting users from storage...\n", funcPrefix)
users, _ := storageConnection.GetUsers()
log.Debug.Printf("%s: removing vote creator from notification list...\n", funcPrefix)
for p, v := range users {
if s.user.Id == v.Id {
users = append(users[:p], users[p+1:]...)
log.Debug.Printf("%s: vote creator has been found and succesfully removed from the list\n", funcPrefix)
break
}
}
log.Debug.Printf("%s: sending notifications to users...\n", funcPrefix)
notificationSender.Send(users, res, dbConnectionAddress)
log.Debug.Printf("%s: sending new vote event...\n", funcPrefix)
*events.GetNewVoteChan() <- events.NewVoteEvent{res}
log.Info.Printf("%s: new vote '%s' has been succesfully created!\n", funcPrefix, params.Name)
}
func getVote(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
funcPrefix := "Getting vote results"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
log.Debug.Printf("%s: authenticating user...\n", funcPrefix)
user, error := storageConnection.Authenticate(r.Header.Get("auth_token"))
if error != nil {
log.Error.Printf("%s: user authentication failed\n", funcPrefix)
w.WriteHeader(400)
return
}
id := ps.ByName("id")
log.Debug.Printf("%s: getting vote with id '%s' from storage...\n", funcPrefix, id)
vote, err := storageConnection.GetVote(id)
if err != nil {
log.Error.Printf("%s: getting vote with id '%s' from storage failed: %s\n", funcPrefix, id, err.Error())
w.WriteHeader(400)
return
}
log.Info.Printf("%s: vote was successfully found: [%+v]\n", funcPrefix, vote)
log.Debug.Printf("%s: getting vote result status...\n", funcPrefix)
res, err := storageConnection.GetVoteResultStatus(*vote, *user, storageConnection.UsersCount())
if err != nil {
log.Error.Printf("%s: getting vote result status failed: %s\n", funcPrefix, err.Error())
w.WriteHeader(400)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
if json.NewEncoder(w).Encode(res) != nil {
log.Error.Printf("%s: encoding response failed\n", funcPrefix)
w.WriteHeader(500)
}
}
func (s *TcpSocket) handleVoteFor(packet *PulsePacket) {
funcPrefix := "Processing voting"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
var params CSVoteForRequest
log.Debug.Printf("%s: unmarshaling params...\n", funcPrefix)
err := json.Unmarshal(packet.content, ¶ms)
if err != nil {
log.Error.Printf("%s: unmarshaling params failed: %s\n", funcPrefix, err.Error())
return
}
log.Debug.Printf("%s: getting vote with id '%s' from storage...\n", funcPrefix, params.Id)
vote, err := storageConnection.GetVote(params.Id)
if err != nil {
log.Error.Printf("%s: getting vote with id '%s' from storage failed: %s\n", funcPrefix, params.Id, err.Error())
return
}
if storageConnection.IsVotedByUser(*vote, s.user) {
log.Warning.Printf("%s: user has already voted!\n", funcPrefix)
return
}
log.Debug.Printf("%s: modifying vote...\n", funcPrefix)
storageConnection.VoteProcessing(*vote, s.user, params.ColorId)
log.Debug.Printf("%s: getting vote result status...\n", funcPrefix)
res, err1 := storageConnection.GetVoteResultStatus(*vote, s.user, storageConnection.UsersCount())
if err1 != nil {
log.Error.Printf("%s: getting vote result status failed: %s\n", funcPrefix, err.Error())
return
}
log.Debug.Printf("%s: sending vote update event...\n", funcPrefix)
*events.GetVoteUpdateChan() <- events.VoteUpdateEvent{res}
log.Info.Printf("%s: vote '%s' has been succesfully updated!\n", funcPrefix, vote.Name)
}
func (s *TcpSocket) handleGetVote(packet *PulsePacket) {
funcPrefix := "Getting vote results"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
var params CSGetVoteRequest
log.Debug.Printf("%s: unmarshaling params...\n", funcPrefix)
err := json.Unmarshal(packet.content, ¶ms)
if err != nil {
log.Error.Printf("%s: unmarshaling params failed: %s\n", funcPrefix, err.Error())
return
}
log.Debug.Printf("%s: getting vote with id '%s' from storage...\n", funcPrefix, params.Id)
vote, err1 := storageConnection.GetVote(params.Id)
if err1 != nil {
log.Error.Printf("%s: getting vote with id '%s' from storage failed: %s\n", funcPrefix, params.Id, err.Error())
return
}
log.Info.Printf("%s: vote was successfully found: [%+v]\n", funcPrefix, vote)
log.Debug.Printf("%s: getting vote result status...\n", funcPrefix)
res, err2 := storageConnection.GetVoteResultStatus(*vote, s.user, storageConnection.UsersCount())
if err2 != nil {
log.Error.Printf("%s: getting vote result status failed: %s\n", funcPrefix, err.Error())
return
}
var b bytes.Buffer
err = json.NewEncoder(&b).Encode(res)
if err != nil {
log.Error.Printf("%s: encoding result failed: %s\n", funcPrefix, err.Error())
return
}
replyPacket := InitPacket(SC_GET_VOTE_RESULT, b.Bytes())
s.SendPacket(&replyPacket)
}
func emailVote(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
funcPrefix := "Processing email voting"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
token := r.FormValue("token")
log.Debug.Printf("%s: authenticating by token '%s' from request...\n", funcPrefix, token)
_, error := storageConnection.Authenticate(token)
if error != nil {
log.Error.Printf("%s: authentication failed\n", funcPrefix)
w.WriteHeader(400)
return
}
id := r.PostFormValue("vote")
log.Debug.Printf("%s: getting vote with id '%s' from storage...\n", funcPrefix, id)
vote, _ := storageConnection.GetVote(id)
value, _ := strconv.Atoi(r.PostFormValue("value"))
log.Debug.Printf("%s: modifying vote...\n", funcPrefix)
res := storage.DoVoteStatus{
Vote: storage.DoVote{
Name: vote.Name,
Value: value,
},
}
log.Info.Printf("%s: vote '%s' has been succesfully updated!\n", funcPrefix, vote.Name)
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
if json.NewEncoder(w).Encode(res) != nil {
log.Error.Printf("%s: encoding response failed\n", funcPrefix)
w.WriteHeader(500)
}
}
func createVote(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
funcPrefix := "New vote creation"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
log.Debug.Printf("%s: authenticating user...\n", funcPrefix)
user, error := storageConnection.Authenticate(r.Header.Get("auth_token"))
if error != nil {
log.Error.Printf("%s: user authentication failed\n", funcPrefix)
w.WriteHeader(400)
return
}
var params ParamSt
log.Debug.Printf("%s: decoding params...\n", funcPrefix)
err := json.NewDecoder(r.Body).Decode(¶ms)
if err != nil {
log.Error.Printf("%s: decoding params failed: %s\n", funcPrefix, err.Error())
w.WriteHeader(400)
return
}
log.Debug.Printf("%s: adding new vote to storage...\n", funcPrefix)
vote, err := storageConnection.NewVote(params.Name, user.Id)
if err != nil {
log.Error.Printf("%s: adding vote '%s' to storage failed: %s\n", funcPrefix, params.Name, err.Error())
return
}
log.Debug.Printf("%s: getting vote result status...\n", funcPrefix)
res, err := storageConnection.GetVoteResultStatus(*vote, *user, storageConnection.UsersCount())
if err != nil {
log.Error.Printf("%s: getting vote result status failed: %s\n", funcPrefix, err.Error())
w.WriteHeader(400)
return
}
log.Debug.Printf("%s: getting users from storage...\n", funcPrefix)
users, _ := storageConnection.GetUsers()
log.Debug.Printf("%s: removing vote creator from notification list...\n", funcPrefix)
for p, v := range users {
if user.Id == v.Id {
users = append(users[:p], users[p+1:]...)
log.Debug.Printf("%s: vote creator has been found and succesfully removed from the list\n", funcPrefix)
break
}
}
log.Debug.Printf("%s: sending notifications to users...\n", funcPrefix)
notificationSender.Send(users, res, dbConnectionAddress)
log.Debug.Printf("%s: sending new vote event...\n", funcPrefix)
*events.GetNewVoteChan() <- events.NewVoteEvent{Vote: res}
log.Info.Printf("%s: new vote '%s' has been succesfully created!\n", funcPrefix, params.Name)
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
if json.NewEncoder(w).Encode(res) != nil {
log.Error.Printf("%s: encoding response failed\n", funcPrefix)
w.WriteHeader(500)
}
}
func registerUser(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
funcPrefix := "Registering new user"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
log.Debug.Printf("%s: getting params from request...\n", funcPrefix)
id := r.PostFormValue("id")
email := r.PostFormValue("email")
firstname := r.PostFormValue("first_name")
lastname := r.PostFormValue("last_name")
device, _ := strconv.Atoi(r.PostFormValue("device"))
dev_id := r.PostFormValue("dev_id")
token := r.PostFormValue("token")
if token != "BE7C411D475AEA4CF1D7B472D5BD1" {
log.Warning.Printf("%s: token is not correct!\n", funcPrefix)
w.WriteHeader(403)
return
}
log.Debug.Printf("%s: checking existence of user with id '%s'...\n", funcPrefix, id)
user, err := storageConnection.LoadUser("user:"******"%s: user with id '%s' already exists; modifying his params...\n", funcPrefix, id)
user.Device = device
user.DevId = dev_id
user.Email = email
user.FirstName = firstname
user.LastName = lastname
} else {
log.Debug.Printf("%s: user with id '%s' was not found; creating new user...\n", funcPrefix, id)
user = &auth.User{
Id: id,
Email: email,
Device: device,
DevId: dev_id,
FirstName: firstname,
LastName: lastname,
}
}
log.Debug.Printf("%s: composing new auth token for user with id '%s'...\n", funcPrefix, id)
at := auth.NewAuthToken(*user, time.Now())
log.Debug.Printf("%s: saving user with id '%s' to storage...\n", funcPrefix, id)
storageConnection.SaveUser(*user)
storageConnection.SaveAuthToken(*at)
log.Info.Printf("%s: user has been succesfully registered: [%+v]\n", funcPrefix, user)
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
rec := RegisterStatus{
Token: at.HMAC,
}
if json.NewEncoder(w).Encode(rec) != nil {
log.Error.Printf("%s: encoding response failed\n", funcPrefix)
w.WriteHeader(500)
}
}
func doVote(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
funcPrefix := "Processing voting"
log.Debug.Printf("%s: start\n", funcPrefix)
defer log.Debug.Printf("%s: end\n", funcPrefix)
storageConnection := storage.NewStorageConnection(dbConnectionAddress)
defer storageConnection.CloseStorageConnection()
log.Debug.Printf("%s: authenticating user...\n", funcPrefix)
user, error := storageConnection.Authenticate(r.Header.Get("auth_token"))
if error != nil {
log.Error.Printf("%s: user authentication failed\n", funcPrefix)
w.WriteHeader(400)
return
}
id := ps.ByName("id")
log.Debug.Printf("%s: getting vote with id '%s' from storage...\n", funcPrefix, id)
vote, err := storageConnection.GetVote(id)
if err != nil {
log.Error.Printf("%s: getting vote with id '%s' from storage failed: %s\n", funcPrefix, id, err.Error())
w.WriteHeader(400)
return
}
if storageConnection.IsVotedByUser(*vote, *user) {
log.Warning.Printf("%s: user has already voted!\n", funcPrefix)
w.WriteHeader(200)
return
}
var params DoVotePrm
log.Debug.Printf("%s: decoding params...\n", funcPrefix)
err = json.NewDecoder(r.Body).Decode(¶ms)
if err != nil {
log.Error.Printf("%s: decoding params failed: %s\n", funcPrefix, err.Error())
w.WriteHeader(400)
return
}
log.Debug.Printf("%s: modifying vote...\n", funcPrefix)
storageConnection.VoteProcessing(*vote, *user, params.Value)
log.Debug.Printf("%s: getting vote result status...\n", funcPrefix)
res, err := storageConnection.GetVoteResultStatus(*vote, *user, storageConnection.UsersCount())
if err != nil {
log.Error.Printf("%s: getting vote result status failed: %s\n", funcPrefix, err.Error())
w.WriteHeader(400)
return
}
log.Debug.Printf("%s: sending vote update event...\n", funcPrefix)
*events.GetVoteUpdateChan() <- events.VoteUpdateEvent{Vote: res}
log.Info.Printf("%s: vote '%s' has been succesfully updated!\n", funcPrefix, vote.Name)
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "*")
if json.NewEncoder(w).Encode(res) != nil {
log.Error.Printf("%s: encoding response failed\n", funcPrefix)
w.WriteHeader(500)
}
}