// CashStatusHandler GET /users/me/cash func CashStatusHandler(w http.ResponseWriter, r *http.Request) { user, err := auth.ValidateSession(r) if err != nil { http.Error(w, "Invalid Session token. "+err.Error(), http.StatusForbidden) return } earningsRentSevenDays, err := redis.GetBalance(redis.GetBalanceRecordName(user.ID, redis.BalanceNameEarningsRent)) if err != nil { http.Error(w, err.Error(), http.StatusForbidden) return } expensesRentSevenDays, err := redis.GetBalance(redis.GetBalanceRecordName(user.ID, redis.BalanceNameExpenseRent)) if err != nil { http.Error(w, err.Error(), http.StatusForbidden) return } expensesGeoFenceSevenDays, err := redis.GetBalance(redis.GetBalanceRecordName(user.ID, redis.BalanceNameExpenseGeoFence)) if err != nil { http.Error(w, err.Error(), http.StatusForbidden) return } bytes, err := json.Marshal(cashResponseBody{ EarningsRentAll: user.EarningsRentAllTime, ExpensesRentAll: user.ExpensesRentAllTime, ExpensesGeoFenceAll: user.ExpensesGeoFenceAllTime, EarningsRentSevenDays: earningsRentSevenDays, ExpensesRentSevenDays: expensesRentSevenDays, ExpensesGeoFenceSevenDays: expensesGeoFenceSevenDays, }) if err != nil { InternalServerError(err, w) return } w.Write(bytes) }
// VisitFenceHandler handles POST /fences/{fenceId}/visit func VisitFenceHandler(w http.ResponseWriter, r *http.Request) { user, err := auth.ValidateSession(r) if err != nil { http.Error(w, "Invalid Session token. "+err.Error(), http.StatusUnauthorized) return } vars := mux.Vars(r) fenceID, err := strconv.ParseUint(vars["fenceId"], 10, 8) if err != nil { http.Error(w, "Invalid Fence ID. "+err.Error(), http.StatusUnauthorized) return } fence, err, notFound := models.FindFenceByID(fenceID) if err != nil || notFound { http.Error(w, "Fence not Found", http.StatusNotFound) return } rent := scores.GetGeoFenceRent(fence) if user.Balance < rent { rent = user.Balance } // GCM err = jobs.QueueSendGcmRequest(gcm.NewMessage( map[string]interface{}{"type": "onForeignFenceEntered", "fenceId": fence.ID, "fenceName": fence.Name, "ownerName": fence.User.Name}, user.GCMNotificationID)) if err != nil { InternalServerError(err, w) return } err = jobs.QueueSendGcmRequest(gcm.NewMessage( map[string]interface{}{"type": "onOwnFenceEntered", "fenceId": fence.ID, "fenceName": fence.Name, "visitorName": user.Name}, fence.User.GCMNotificationID)) if err != nil { InternalServerError(err, w) return } // Activity Stream err = activity.AddForeignVisitedActivity(user.ID, fence.User.Name, fence.User.ID, fence.Name, fence.ID, rent) if err != nil { InternalServerError(err, w) return } err = activity.AddOwnFenceVisitedActivity(fence.User.ID, user.Name, user.ID, fence.Name, fence.ID, rent) if err != nil { InternalServerError(err, w) return } // Balance Recording redis.AddBalanceRecord(redis.GetBalanceRecordName(user.ID, redis.BalanceNameExpenseRent), rent) redis.AddBalanceRecord(redis.GetBalanceRecordName(fence.User.ID, redis.BalanceNameEarningsRent), rent) // Score Calculation err = jobs.QueueRecordVisitRequest(fence.Lat, fence.Lon, time.Now()) //scores.RecordVisit(fence.Lat, fence.Lon) if err != nil { InternalServerError(err, w) return } user.LastKnownGeoHash = geomodel.GeoCell(fence.Lat, fence.Lon, models.LastKnownGeoHashResolution) user.Balance = user.Balance - rent if user.Balance < 0 { // TODO: Decide what to do here. user.Balance = 0 } user.ExpensesRentAllTime = user.ExpensesRentAllTime + rent err = user.Save() if err != nil { InternalServerError(err, w) return } fence.User.Balance = fence.User.Balance + rent fence.User.EarningsRentAllTime = user.ExpensesRentAllTime + rent err = fence.User.Save() if err != nil { InternalServerError(err, w) return } fence.TotalEarnings = fence.TotalEarnings + rent fence.TotalVisitors = fence.TotalVisitors + 1 err = fence.Save() if err != nil { InternalServerError(err, w) return } w.Write([]byte("{}")) }
// CreateFenceHandler POST /fences func CreateFenceHandler(w http.ResponseWriter, r *http.Request) { user, err := auth.ValidateSession(r) if err != nil { http.Error(w, "Invalid Session token. "+err.Error(), http.StatusUnauthorized) return } decoder := json.NewDecoder(r.Body) var requestFence fenceResponse err = decoder.Decode(&requestFence) if err != nil { InternalServerError(err, w) return } indexRadius := sort.SearchInts(models.UpgradeTypesRadius[:], requestFence.Radius) if !(indexRadius < len(models.UpgradeTypesRadius) && models.UpgradeTypesRadius[indexRadius] == requestFence.Radius) { http.Error(w, "Invalid Radius", http.StatusExpectationFailed) return } indexRent := sort.SearchFloat64s(models.UpgradeTypesRent[:], float64(requestFence.RentMultiplier)) if !(indexRent < len(models.UpgradeTypesRent) && models.UpgradeTypesRent[indexRent] == requestFence.RentMultiplier) { http.Error(w, "Invalid RentMultiplier", http.StatusExpectationFailed) return } if requestFence.TTL <= 0 || requestFence.TTL > models.FenceMaxTTL { http.Error(w, "Invalid TTL", http.StatusExpectationFailed) return } var f models.Fence f.Lat = requestFence.Lat f.Lon = requestFence.Lon f.Name = requestFence.Name f.Radius = requestFence.Radius f.RentMultiplier = requestFence.RentMultiplier f.TTL = requestFence.TTL f.DiesAt = time.Now().Add(time.Duration(f.TTL) * time.Second) f.UserID = user.ID overlap, err := checkFenceOverlap(&f) if err != nil { InternalServerError(err, w) return } if overlap { http.Error(w, "Fence does overlap.", http.StatusBadRequest) return } price, err := scores.GetGeoFencePrice(f.Lat, f.Lon, f.TTL, f.RentMultiplier, indexRadius) if price > user.Balance { http.Error(w, "You do not have enough money for this thing.", http.StatusPaymentRequired) return } f.Cost = price user.LastKnownGeoHash = geomodel.GeoCell(requestFence.Lat, requestFence.Lon, models.LastKnownGeoHashResolution) user.Balance = user.Balance - price user.ExpensesGeoFenceAllTime = user.ExpensesGeoFenceAllTime + price err = user.Save() if err != nil { log.Errorf("Error while saving user: %v", err) } redis.AddBalanceRecord(redis.GetBalanceRecordName(user.ID, redis.BalanceNameExpenseGeoFence), price) f.User = *user err = f.Save() if err != nil { InternalServerError(err, w) return } err = search.IndexGeoFence(f) if err != nil { InternalServerError(err, w) return } jobs.QueueNotifyUsersSyncRequest(f.Lat, f.Lon) jobs.QueueFenceExpireRequest(&f) bytes, err := json.Marshal(&f) if err != nil { InternalServerError(err, w) return } w.Write(bytes) }