✨ feat: Initial commit

src/main/store/worldStore.ts

@@ -0,0 +1,68 @@
+import type { World, WorldSnapshot } from "../../shared/types/world";
+import type { FieldSource } from "../../shared/types/repository";
+import { repos } from "./repository/manager";
+
+export type { WorldSnapshot };
+
+type Change = { type: "seed"; snapshot: WorldSnapshot } | { type: "upsert"; world: World };
+type Listener = (change: Change) => void;
+
+class WorldStore {
+  private readonly listeners = new Set<Listener>();
+  private byAuthor = new Map<string, Set<string>>();
+  private wired = false;
+
+  onChange(fn: Listener): () => void {
+    this.wire();
+    this.listeners.add(fn);
+    return () => this.listeners.delete(fn);
+  }
+
+  private wire(): void {
+    if (this.wired || !repos.hasActive) return;
+    this.wired = true;
+    repos.active.worlds.onChange((c) => {
+      this.emit({ type: "upsert", world: c.entity });
+    });
+  }
+
+  setAuthorWorlds(authorId: string, worlds: World[]): void {
+    this.byAuthor.set(authorId, new Set(worlds.map((w) => w.id)));
+    repos.active.worlds.upsertMany(worlds, "rest:list");
+    this.emit({ type: "seed", snapshot: this.snapshot() });
+  }
+
+  addWorld(world: World, src: FieldSource = world.detailed ? "rest:detail" : "rest:list"): void {
+    repos.active.worlds.upsert(world, src);
+  }
+
+  authorWorlds(authorId: string): World[] {
+    const ids = this.byAuthor.get(authorId);
+    if (!ids) return [];
+    return repos.active.worlds.getMany([...ids]);
+  }
+
+  get(worldId: string): World | undefined {
+    return repos.active.worlds.get(worldId);
+  }
+
+  snapshot(): WorldSnapshot {
+    return {
+      worlds: repos.hasActive ? repos.active.worlds.all() : [],
+      byAuthor: Object.fromEntries([...this.byAuthor].map(([k, v]) => [k, [...v]])),
+    };
+  }
+
+  reset(): void {
+    this.byAuthor.clear();
+    this.wired = false;
+    this.wire();
+    this.emit({ type: "seed", snapshot: this.snapshot() });
+  }
+
+  private emit(change: Change): void {
+    for (const fn of this.listeners) fn(change);
+  }
+}
+
+export const worldStore = new WorldStore();