prism/service/integration/signal/integration.go
2026-02-26 18:35:11 -08:00

122 lines
3.2 KiB
Go

package signal
import (
"context"
"fmt"
"log/slog"
"net/http"
"prism/service/config"
"prism/service/delivery"
"prism/service/subscription"
"prism/service/util"
"github.com/go-chi/chi/v5"
)
type Integration struct {
cfg *config.Config
client *Client
Handlers *Handlers
Sender *Sender
Groups *GroupCache
store *subscription.Store
logger *slog.Logger
tmpl *util.TemplateRenderer
}
func NewIntegration(cfg *config.Config, store *subscription.Store, logger *slog.Logger, tmpl *util.TemplateRenderer) *Integration {
client := NewClient()
groups, err := NewGroupCache(store.DB)
if err != nil {
logger.Error("Failed to initialize Signal group cache", "error", err)
}
var sender *Sender
if client != nil {
sender = NewSender(client, groups, logger)
}
return &Integration{
cfg: cfg,
client: client,
Sender: sender,
Groups: groups,
store: store,
logger: logger,
tmpl: tmpl,
}
}
func (s *Integration) RegisterRoutes(router *chi.Mux, auth func(http.Handler) http.Handler, logger *slog.Logger) {
s.Handlers = RegisterRoutes(router, s.cfg, auth, s.tmpl, logger, s.client)
}
func (s *Integration) Start(ctx context.Context, logger *slog.Logger) {
if s.Handlers != nil && s.Handlers.Client != nil {
client := s.Handlers.Client
account, _ := client.GetLinkedAccount()
if account != nil {
logger.Debug("Signal enabled", "status", "linked", "number", FormatPhoneNumber(account.Number))
} else {
logger.Debug("Signal enabled", "status", "unlinked", "action", "visit admin UI to link")
}
} else {
logger.Debug("Signal disabled", "reason", "signal-cli not found in PATH")
}
}
func (s *Integration) IsEnabled() bool {
return s.Handlers != nil && s.Handlers.Client != nil
}
func (s *Integration) Health() (bool, string) {
if s.Handlers == nil || s.Handlers.Client == nil {
return false, ""
}
account, _ := s.Handlers.Client.GetLinkedAccount()
if account == nil {
return false, ""
}
return true, account.Number
}
func (s *Integration) AutoSubscribe(appName string, store *subscription.Store, publisher *delivery.Publisher) error {
if s.Sender == nil {
return fmt.Errorf("signal-cli not available")
}
linked, err := s.Sender.IsLinked()
if err != nil {
return fmt.Errorf("failed to check Signal link status: %w", err)
}
if !linked {
return fmt.Errorf("no linked Signal account")
}
if !publisher.HasChannel(subscription.ChannelSignal) {
publisher.RegisterSender(subscription.ChannelSignal, s.Sender)
}
var signalSub *subscription.SignalSubscription
if cachedGroup, err := s.Groups.Get(appName); err != nil {
s.logger.Warn("Failed to check for cached Signal group", "error", err)
} else if cachedGroup != nil {
s.logger.Debug("Reusing cached Signal group", "app", appName)
signalSub = cachedGroup
}
if signalSub == nil {
if signalSub, err = s.Sender.CreateDefaultSignalSubscription(appName); err != nil {
return err
}
}
subID, err := store.AddSubscription(subscription.Subscription{
AppName: appName,
Channel: subscription.ChannelSignal,
Signal: signalSub,
})
if err != nil {
return err
}
s.logger.Info("Auto-configured Signal subscription", "app", appName, "subscriptionID", subID)
return nil
}