Add fcm push notifications

src/app/state.ts

@@ -23,7 +23,14 @@ import {
 } from "@welshman/lib"
 import type {Socket} from "@welshman/net"
 import {Pool, load, AuthStateEvent, SocketEvent} from "@welshman/net"
-import {collection, custom} from "@welshman/store"
+import {
+  collection,
+  custom,
+  deriveEvents,
+  deriveEventsMapped,
+  withGetter,
+  synced,
+} from "@welshman/store"
 import {
   getIdFilters,
   WRAP,
@@ -56,7 +63,9 @@ import {
   asDecryptedEvent,
   normalizeRelayUrl,
   getTag,
+  getTagValue,
   getTagValues,
+  getAddress,
 } from "@welshman/util"
 import type {TrustedEvent, SignedEvent, PublishedList, List, Filter} from "@welshman/util"
 import {Nip59, decrypt} from "@welshman/signer"
@@ -81,7 +90,6 @@ import {
   appContext,
 } from "@welshman/app"
 import type {Thunk, Relay} from "@welshman/app"
-import {deriveEvents, deriveEventsMapped, withGetter, synced} from "@welshman/store"
 
 export const fromCsv = (s: string) => (s || "").split(",").filter(identity)
 
@@ -341,6 +349,8 @@ export const {
 
 // Alerts
 
+export const deviceAlertAddresses = synced<string[]>("deviceAlertAddresses", [])
+
 export type Alert = {
   event: TrustedEvent
   tags: string[][]
@@ -356,6 +366,12 @@ export const alerts = deriveEventsMapped<Alert>(repository, {
   },
 })
 
+export const deviceAlerts = derived(
+  [deviceAlertAddresses, alerts],
+  ([$deviceAlertAddresses, $alerts]) =>
+    $alerts.filter(a => $deviceAlertAddresses.includes(getAddress(a.event))),
+)
+
 // Alert Statuses
 
 export type AlertStatus = {
@@ -373,6 +389,9 @@ export const alertStatuses = deriveEventsMapped<AlertStatus>(repository, {
   },
 })
 
+export const deriveAlertStatus = (address: string) =>
+  derived(alertStatuses, statuses => statuses.find(s => getTagValue("d", s.event.tags) === address))
+
 // Membership
 
 export const hasMembershipUrl = (list: List | undefined, url: string) =>