status-go/services/local-notifications/core.go

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package localnotifications
import (
"database/sql"
"encoding/json"
"sync"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
"github.com/status-im/status-go/multiaccounts/accounts"
"github.com/status-im/status-go/services/wallet/transfer"
"github.com/status-im/status-go/signal"
)
type PushCategory string
type NotificationType string
type NotificationBody interface {
json.Marshaler
}
type Notification struct {
ID common.Hash
Platform float32
Body NotificationBody
BodyType NotificationType
Title string
Message string
Category PushCategory
Deeplink string
Image string
IsScheduled bool
ScheduledTime string
IsConversation bool
IsGroupConversation bool
ConversationID string
Timestamp uint64
Author NotificationAuthor
Deleted bool
}
type NotificationAuthor struct {
ID string `json:"id"`
Icon string `json:"icon"`
Name string `json:"name"`
}
// notificationAlias is an interim struct used for json un/marshalling
type notificationAlias struct {
ID common.Hash `json:"id"`
Platform float32 `json:"platform,omitempty"`
Body json.RawMessage `json:"body"`
BodyType NotificationType `json:"bodyType"`
Title string `json:"title,omitempty"`
Message string `json:"message,omitempty"`
Category PushCategory `json:"category,omitempty"`
Deeplink string `json:"deepLink,omitempty"`
Image string `json:"imageUrl,omitempty"`
IsScheduled bool `json:"isScheduled,omitempty"`
ScheduledTime string `json:"scheduleTime,omitempty"`
IsConversation bool `json:"isConversation,omitempty"`
IsGroupConversation bool `json:"isGroupConversation,omitempty"`
ConversationID string `json:"conversationId,omitempty"`
Timestamp uint64 `json:"timestamp,omitempty"`
Author NotificationAuthor `json:"notificationAuthor,omitempty"`
Deleted bool `json:"deleted,omitempty"`
}
// MessageEvent - structure used to pass messages from chat to bus
type MessageEvent struct{}
// CustomEvent - structure used to pass custom user set messages to bus
type CustomEvent struct{}
type transmitter struct {
publisher *event.Feed
wg sync.WaitGroup
quit chan struct{}
}
// Service keeps the state of message bus
type Service struct {
started bool
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WatchingEnabled bool
chainID uint64
transmitter *transmitter
walletTransmitter *transmitter
db *Database
walletDB *transfer.Database
accountsDB *accounts.Database
}
func NewService(appDB *sql.DB, walletDB *transfer.Database, chainID uint64) (*Service, error) {
db := NewDB(appDB, chainID)
Sync Settings (#2478) * Sync Settings * Added valueHandlers and Database singleton Some issues remain, need a way to comparing incoming sql.DB to check if the connection is to a different file or not. Maybe make singleton instance per filename * Added functionality to check the sqlite filename * Refactor of Database.SaveSyncSettings to be used as a handler * Implemented inteface for setting sync protobuf factories * Refactored and completed adhoc send setting sync * Tidying up * Immutability refactor * Refactor settings into dedicated package * Breakout structs * Tidy up * Refactor of bulk settings sync * Bug fixes * Addressing feedback * Fix code dropped during rebase * Fix for db closed * Fix for node config related crashes * Provisional fix for type assertion - issue 2 * Adding robust type assertion checks * Partial fix for null literal db storage and json encoding * Fix for passively handling nil sql.DB, and checking if elem has len and if len is 0 * Added test for preferred name behaviour * Adding saved sync settings to MessengerResponse * Completed granular initial sync and clock from network on save * add Settings to isEmpty * Refactor of protobufs, partially done * Added syncSetting receiver handling, some bug fixes * Fix for sticker packs * Implement inactive flag on sync protobuf factory * Refactor of types and structs * Added SettingField.CanSync functionality * Addressing rebase artifact * Refactor of Setting SELECT queries * Refactor of string return queries * VERSION bump and migration index bump * Deactiveate Sync Settings * Deactiveated preferred_name and send_status_updates Co-authored-by: Andrea Maria Piana <andrea.maria.piana@gmail.com>
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accountsDB, err := accounts.NewDB(appDB)
if err != nil {
return nil, err
}
trans := &transmitter{}
walletTrans := &transmitter{}
return &Service{
db: db,
chainID: chainID,
walletDB: walletDB,
accountsDB: accountsDB,
transmitter: trans,
walletTransmitter: walletTrans,
Sync Settings (#2478) * Sync Settings * Added valueHandlers and Database singleton Some issues remain, need a way to comparing incoming sql.DB to check if the connection is to a different file or not. Maybe make singleton instance per filename * Added functionality to check the sqlite filename * Refactor of Database.SaveSyncSettings to be used as a handler * Implemented inteface for setting sync protobuf factories * Refactored and completed adhoc send setting sync * Tidying up * Immutability refactor * Refactor settings into dedicated package * Breakout structs * Tidy up * Refactor of bulk settings sync * Bug fixes * Addressing feedback * Fix code dropped during rebase * Fix for db closed * Fix for node config related crashes * Provisional fix for type assertion - issue 2 * Adding robust type assertion checks * Partial fix for null literal db storage and json encoding * Fix for passively handling nil sql.DB, and checking if elem has len and if len is 0 * Added test for preferred name behaviour * Adding saved sync settings to MessengerResponse * Completed granular initial sync and clock from network on save * add Settings to isEmpty * Refactor of protobufs, partially done * Added syncSetting receiver handling, some bug fixes * Fix for sticker packs * Implement inactive flag on sync protobuf factory * Refactor of types and structs * Added SettingField.CanSync functionality * Addressing rebase artifact * Refactor of Setting SELECT queries * Refactor of string return queries * VERSION bump and migration index bump * Deactiveate Sync Settings * Deactiveated preferred_name and send_status_updates Co-authored-by: Andrea Maria Piana <andrea.maria.piana@gmail.com>
2022-03-23 18:47:00 +00:00
}, nil
}
func (n *Notification) MarshalJSON() ([]byte, error) {
var body json.RawMessage
if n.Body != nil {
encodedBody, err := n.Body.MarshalJSON()
if err != nil {
return nil, err
}
body = encodedBody
}
alias := notificationAlias{
ID: n.ID,
Platform: n.Platform,
Body: body,
BodyType: n.BodyType,
Category: n.Category,
Title: n.Title,
Message: n.Message,
Deeplink: n.Deeplink,
Image: n.Image,
IsScheduled: n.IsScheduled,
ScheduledTime: n.ScheduledTime,
IsConversation: n.IsConversation,
IsGroupConversation: n.IsGroupConversation,
ConversationID: n.ConversationID,
Timestamp: n.Timestamp,
Author: n.Author,
Deleted: n.Deleted,
}
return json.Marshal(alias)
}
func PushMessages(ns []*Notification) {
for _, n := range ns {
pushMessage(n)
}
}
func pushMessage(notification *Notification) {
log.Debug("Pushing a new push notification")
signal.SendLocalNotifications(notification)
}
// Start Worker which processes all incoming messages
func (s *Service) Start() error {
s.started = true
s.transmitter.quit = make(chan struct{})
s.transmitter.publisher = &event.Feed{}
events := make(chan TransactionEvent, 10)
sub := s.transmitter.publisher.Subscribe(events)
s.transmitter.wg.Add(1)
go func() {
defer s.transmitter.wg.Done()
for {
select {
case <-s.transmitter.quit:
sub.Unsubscribe()
return
case err := <-sub.Err():
if err != nil {
log.Error("Local notifications transmitter failed with", "error", err)
}
return
case event := <-events:
s.transactionsHandler(event)
}
}
}()
log.Info("Successful start")
return nil
}
// Stop worker
func (s *Service) Stop() error {
s.started = false
if s.transmitter.quit != nil {
close(s.transmitter.quit)
s.transmitter.wg.Wait()
s.transmitter.quit = nil
}
if s.walletTransmitter.quit != nil {
close(s.walletTransmitter.quit)
s.walletTransmitter.wg.Wait()
s.walletTransmitter.quit = nil
}
return nil
}
// APIs returns list of available RPC APIs.
func (s *Service) APIs() []rpc.API {
return []rpc.API{
{
Namespace: "localnotifications",
Version: "0.1.0",
Service: NewAPI(s),
},
}
}
// Protocols returns list of p2p protocols.
func (s *Service) Protocols() []p2p.Protocol {
return nil
}
func (s *Service) IsStarted() bool {
return s.started
}