142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package consolenotifications
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import (
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"encoding/json"
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"net/http"
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"github.com/gorilla/mux"
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"github.com/skyrings/skyring-common/tools/uuid"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"gopkg.in/spacemonkeygo/monkit.v2"
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"storj.io/storj/storagenode/notifications"
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)
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const (
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contentType = "Content-Type"
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applicationJSON = "application/json"
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)
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var mon = monkit.Package()
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// Error is error type of storagenode web console.
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var Error = errs.Class("notifications console web error")
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// Notifications represents notification service.
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// architecture: Service
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type Notifications struct {
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service *notifications.Service
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log *zap.Logger
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}
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// jsonOutput defines json structure of api response data.
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type jsonOutput struct {
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Data interface{} `json:"data"`
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Error string `json:"error"`
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}
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// NewNotifications creates new instance of notification service.
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func NewNotifications(log *zap.Logger, service *notifications.Service) *Notifications {
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return &Notifications{
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log: log,
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service: service,
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}
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}
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// ReadNotification updates specific notification in database as read.
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func (notification *Notifications) ReadNotification(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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defer mon.Task()(&ctx)(nil)
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var err error
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params := mux.Vars(r)
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id, ok := params["id"]
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if !ok {
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notification.writeError(w, http.StatusInternalServerError, Error.Wrap(err))
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return
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}
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notificationID, err := uuid.Parse(id)
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if err != nil {
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notification.writeError(w, http.StatusInternalServerError, Error.Wrap(err))
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return
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}
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err = notification.service.Read(ctx, *notificationID)
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if err != nil {
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notification.writeError(w, http.StatusInternalServerError, Error.Wrap(err))
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return
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}
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}
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// ReadAllNotifications updates all notifications in database as read.
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func (notification *Notifications) ReadAllNotifications(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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defer mon.Task()(&ctx)(nil)
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err := notification.service.ReadAll(ctx)
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if err != nil {
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notification.writeError(w, http.StatusInternalServerError, Error.Wrap(err))
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return
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}
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}
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// ListNotifications returns listed page of notifications from database.
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func (notification *Notifications) ListNotifications(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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defer mon.Task()(&ctx)(nil)
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var err error
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var request struct {
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Cursor notifications.Cursor `json:"cursor"`
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}
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err = json.NewDecoder(r.Body).Decode(&request)
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if err != nil {
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notification.writeError(w, http.StatusInternalServerError, Error.Wrap(err))
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return
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}
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page, err := notification.service.List(ctx, request.Cursor)
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if err != nil {
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notification.writeError(w, http.StatusInternalServerError, Error.Wrap(err))
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return
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}
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notification.writeData(w, page)
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}
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// writeData is helper method to write JSON to http.ResponseWriter and log encoding error.
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func (notification *Notifications) writeData(w http.ResponseWriter, data interface{}) {
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w.Header().Set(contentType, applicationJSON)
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w.WriteHeader(http.StatusOK)
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output := jsonOutput{Data: data}
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if err := json.NewEncoder(w).Encode(output); err != nil {
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notification.log.Error("json encoder error", zap.Error(err))
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}
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}
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// writeError writes a JSON error payload to http.ResponseWriter log encoding error.
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func (notification *Notifications) writeError(w http.ResponseWriter, status int, err error) {
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if status >= http.StatusInternalServerError {
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notification.log.Error("api handler server error", zap.Int("status code", status), zap.Error(err))
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}
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w.Header().Set(contentType, applicationJSON)
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w.WriteHeader(status)
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output := jsonOutput{Error: err.Error()}
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if err := json.NewEncoder(w).Encode(output); err != nil {
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notification.log.Error("json encoder error", zap.Error(err))
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}
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}
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