Migrate LiveSync flows to provider-owned resources

src/common/replicatorResources/preferredTweak.ts

@@ -0,0 +1,43 @@
+import type { RemoteDBSettings, RemotePreferredTweakResult } from "@vrtmrz/livesync-commonlib/compat/common/types";
+import type { PreferredTweakProbe, PreferredTweakProbeFactory } from "@vrtmrz/livesync-commonlib/replication";
+import {
+    LiveSyncCouchDBReplicator,
+    type LiveSyncCouchDBReplicatorEnv,
+} from "@vrtmrz/livesync-commonlib/compat/replication/couchdb/LiveSyncReplicator";
+import { LiveSyncJournalReplicator } from "@vrtmrz/livesync-commonlib/compat/replication/journal/LiveSyncJournalReplicator";
+import type { LiveSyncJournalReplicatorEnv } from "@vrtmrz/livesync-commonlib/compat/replication/journal/LiveSyncJournalReplicatorEnv";
+import { createReplicatorDisposer, snapshotRemoteSettings, type ResourceReplicator } from "./shared";
+
+export type PreferredTweakResourceHost = LiveSyncCouchDBReplicatorEnv & LiveSyncJournalReplicatorEnv;
+
+interface PreferredTweakReplicator extends ResourceReplicator {
+    getRemotePreferredTweakValues(setting: RemoteDBSettings): Promise<RemotePreferredTweakResult>;
+}
+
+function createPreferredTweakProbe(
+    replicator: PreferredTweakReplicator,
+    snapshot: RemoteDBSettings
+): PreferredTweakProbe {
+    return {
+        read: () => replicator.getRemotePreferredTweakValues(snapshot),
+        dispose: createReplicatorDisposer(replicator),
+    };
+}
+
+/** Build an unpublished CouchDB preferred-tweak resource for one host. */
+export function createCouchDBPreferredTweakProbeFactory(host: PreferredTweakResourceHost): PreferredTweakProbeFactory {
+    return (setting) => {
+        const snapshot = snapshotRemoteSettings(setting);
+        return Promise.resolve(createPreferredTweakProbe(new LiveSyncCouchDBReplicator(host), snapshot));
+    };
+}
+
+/** Build an unpublished Object Storage preferred-tweak resource for one host. */
+export function createObjectStoragePreferredTweakProbeFactory(
+    host: PreferredTweakResourceHost
+): PreferredTweakProbeFactory {
+    return (setting) => {
+        const snapshot = snapshotRemoteSettings(setting);
+        return Promise.resolve(createPreferredTweakProbe(new LiveSyncJournalReplicator(host), snapshot));
+    };
+}