Refactor conflict resolution into service features

src/serviceFeatures/interactiveConflictResolution/index.ts

@@ -0,0 +1,91 @@
+import type { NecessaryServices } from "@vrtmrz/livesync-commonlib/compat/interfaces/ServiceModule";
+import { createInstanceLogFunction } from "@vrtmrz/livesync-commonlib/compat/services/lib/logUtils";
+import { fireAndForget } from "octagonal-wheels/promises";
+import type { Editor, MarkdownFileInfo, MarkdownView } from "@/deps.ts";
+import type { FilePathWithPrefix } from "@vrtmrz/livesync-commonlib/compat/common/types";
+import { EVENT_CONFLICT_CANCELLED, EVENT_PLUGIN_UNLOADED } from "@/common/events.ts";
+import { createInteractiveConflictResolutionOperations } from "./operations";
+import type { ConflictResolveDialogueFactory } from "./types";
+
+export type InteractiveConflictResolutionHost = NecessaryServices<
+    "API" | "UI" | "appLifecycle" | "conflict" | "replication" | "vault" | "database" | "setting" | "path",
+    "databaseFileAccess"
+>;
+
+export function useInteractiveConflictResolutionFeature(
+    host: InteractiveConflictResolutionHost,
+    createDialogue: ConflictResolveDialogueFactory
+): void {
+    const services = host.services;
+    const operations = createInteractiveConflictResolutionOperations({
+        events: services.context.events,
+        databaseFileAccess: host.serviceModules.databaseFileAccess,
+        localDatabase: () => services.database.localDatabase,
+        confirm: services.UI.confirm,
+        path: services.path,
+        vault: services.vault,
+        appLifecycle: services.appLifecycle,
+        conflict: services.conflict,
+        replication: services.replication,
+        currentSettings: () => services.setting.currentSettings(),
+        createDialogue,
+        log: createInstanceLogFunction("SF:InteractiveConflictResolution", services.API),
+    });
+
+    services.appLifecycle.onScanningStartupIssues.addHandler(operations.scanStartupIssues);
+    services.appLifecycle.onInitialise.addHandler(() => {
+        services.API.addCommand({
+            id: "livesync-checkdoc-conflicted",
+            name: "Resolve if conflicted.",
+            editorCallback: (editor: Editor, view: MarkdownView | MarkdownFileInfo) => {
+                const file = view.file;
+                if (!file) return;
+                void operations.requestConflictResolution(file.path as FilePathWithPrefix);
+            },
+        });
+        services.API.addCommand({
+            id: "livesync-conflictcheck",
+            name: "Pick a file to resolve conflict",
+            callback: async () => {
+                await operations.pickFileForResolve();
+            },
+        });
+        services.API.addCommand({
+            id: "livesync-all-conflictcheck",
+            name: "Resolve all conflicted files",
+            callback: async () => {
+                await operations.allConflictCheck();
+            },
+        });
+        return Promise.resolve(true);
+    });
+    services.appLifecycle.getUnresolvedMessages.addHandler(operations.getActiveConflictMessages);
+    services.conflict.resolveByUserInteraction.addHandler(operations.resolveByUserInteraction);
+    const offConflictCancelled = services.context.events.onEvent(EVENT_CONFLICT_CANCELLED, (filename) => {
+        operations.invalidateWaitingResolution(filename);
+        fireAndForget(() => operations.refreshConflictState(filename));
+    });
+    let featureDisposed = false;
+    const dispose = () => {
+        if (featureDisposed) return;
+        featureDisposed = true;
+        // Stop the refresh listener before cancellation so that unloading does
+        // not start a database read which can race with database disposal.
+        offConflictCancelled();
+        operations.dispose();
+    };
+    const offPluginUnloaded = services.context.events.onceEvent(EVENT_PLUGIN_UNLOADED, dispose);
+    services.appLifecycle.onUnload.addHandler(() => {
+        offPluginUnloaded();
+        dispose();
+        return Promise.resolve(true);
+    });
+}
+
+export { createInteractiveConflictResolutionOperations } from "./operations";
+export type {
+    InteractiveConflictResolutionOperations,
+    InteractiveConflictResolutionOperationsDependencies,
+} from "./operations";
+export { POSTPONED } from "./types";
+export type { ConflictResolveDialogue, ConflictResolveDialogueFactory, MergeDialogResult } from "./types";