feat(navigation): add Header entity + use-case + mock/payload repos + DI container

packages/navigation/src/infrastructure/repositories/mock-header.repository.ts

@@ -0,0 +1,18 @@
+import "reflect-metadata";
+import { injectable } from "inversify";
+
+import type { IHeaderRepository } from "../../application/repositories/header-repository.interface";
+import type { Header } from "../../entities/header";
+
+@injectable()
+export class MockHeaderRepository implements IHeaderRepository {
+  async getHeader(): Promise<Header> {
+    return {
+      items: [
+        { label: "Home", href: "/", external: false },
+        { label: "Blog", href: "/blog", external: false },
+        { label: "About", href: "/about", external: false },
+      ],
+    };
+  }
+}

packages/navigation/src/infrastructure/repositories/payload-header.repository.ts

@@ -0,0 +1,48 @@
+import "reflect-metadata";
+import { injectable } from "inversify";
+import { getPayload } from "payload";
+import type { SanitizedConfig } from "payload";
+
+import type { IHeaderRepository } from "../../application/repositories/header-repository.interface";
+import type { Header, HeaderItem } from "../../entities/header";
+
+type PayloadHeaderGlobal = {
+  logo?: string | number | { id: string | number } | null;
+  items?: Array<{
+    label?: string | null;
+    href?: string | null;
+    external?: boolean | null;
+  }> | null;
+};
+
+@injectable()
+export class PayloadHeaderRepository implements IHeaderRepository {
+  private config: SanitizedConfig;
+
+  constructor(config: SanitizedConfig) {
+    this.config = config;
+  }
+
+  async getHeader(): Promise<Header> {
+    const payload = await getPayload({ config: this.config });
+    const doc = (await payload.findGlobal({
+      slug: "header",
+      overrideAccess: false,
+    })) as PayloadHeaderGlobal;
+
+    const logoId =
+      typeof doc.logo === "object" && doc.logo !== null
+        ? String(doc.logo.id)
+        : doc.logo != null
+          ? String(doc.logo)
+          : undefined;
+
+    const items: HeaderItem[] = (doc.items ?? []).map((item) => ({
+      label: item.label ?? "",
+      href: item.href ?? "",
+      external: item.external ?? false,
+    }));
+
+    return { logoId, items };
+  }
+}