feat(housekeeping): deliver content vertical

src/features/housekeeping/domains/content/queries/content-queries.ts

@@ -0,0 +1,149 @@
+import { authorizeHousekeeping } from "../../../foundation/authorization";
+import {
+	fail,
+	type HousekeepingQuery,
+	ok,
+} from "../../../foundation/contracts";
+import { isSafeHousekeepingHref } from "../../../foundation/housekeeping-href";
+import {
+	type ContentRouteGroup,
+	type ContentRouteId,
+	contentRouteById,
+	contentRouteGroup,
+} from "../routes";
+
+export interface ContentQueryListInput {
+	readonly search?: string;
+	readonly pageSize?: number;
+	readonly offset?: number;
+}
+
+export interface ContentQueryInput {
+	readonly routeId: ContentRouteId;
+	readonly params?: Readonly<Record<string, string>>;
+	readonly list?: ContentQueryListInput;
+}
+
+export interface ContentQueryItem {
+	readonly id: string;
+	readonly title: string;
+	readonly status?: string;
+	readonly description?: string;
+	readonly href?: string;
+	readonly updatedAt?: string | null;
+	readonly privatePayload?: unknown;
+}
+
+export interface ContentQueryData {
+	readonly kind: ContentRouteGroup;
+	readonly items: readonly ContentQueryItem[];
+	readonly total: number;
+	readonly partialDependencies: readonly string[];
+}
+
+export interface NormalizedContentQueryInput {
+	readonly routeId: ContentRouteId;
+	readonly params: Readonly<Record<string, string>>;
+	readonly list: Readonly<{
+		search: string;
+		pageSize: number;
+		offset: number;
+	}>;
+}
+
+export interface ContentQueryAdapters {
+	load(input: NormalizedContentQueryInput): Promise<ContentQueryData>;
+}
+
+function boundedInteger(
+	value: unknown,
+	fallback: number,
+	minimum: number,
+	maximum: number,
+): number {
+	const parsed = Number(value);
+	if (!Number.isSafeInteger(parsed)) return fallback;
+	return Math.min(maximum, Math.max(minimum, parsed));
+}
+
+function normalizeInput(input: ContentQueryInput): NormalizedContentQueryInput {
+	return {
+		routeId: input.routeId,
+		params: Object.fromEntries(
+			Object.entries(input.params ?? {}).map(([key, value]) => [
+				key.normalize("NFC").trim().slice(0, 128),
+				value.normalize("NFC").trim().slice(0, 128),
+			]),
+		),
+		list: {
+			search: String(input.list?.search ?? "")
+				.normalize("NFC")
+				.trim()
+				.slice(0, 128),
+			pageSize: boundedInteger(input.list?.pageSize, 25, 1, 100),
+			offset: boundedInteger(input.list?.offset, 0, 0, 100_000),
+		},
+	};
+}
+
+function isValidData(
+	data: ContentQueryData,
+	input: NormalizedContentQueryInput,
+): boolean {
+	if (
+		data.kind !== contentRouteGroup(input.routeId) ||
+		!Array.isArray(data.items) ||
+		!Number.isSafeInteger(data.total) ||
+		data.total < 0 ||
+		!Array.isArray(data.partialDependencies) ||
+		data.partialDependencies.length !== 0
+	) {
+		return false;
+	}
+	return data.items.every(
+		(item) =>
+			typeof item.id === "string" &&
+			item.id.length > 0 &&
+			typeof item.title === "string" &&
+			item.title.length > 0 &&
+			(item.href === undefined || isSafeHousekeepingHref(item.href)),
+	);
+}
+
+export function createContentQuery(
+	adapters: ContentQueryAdapters,
+): HousekeepingQuery<ContentQueryInput, ContentQueryData> {
+	return {
+		id: "content.query",
+		owner: "content",
+		capability: contentRouteById("content.editorial.articles").capability,
+		async run(context, input) {
+			const route = contentRouteById(input.routeId);
+			const authorization = authorizeHousekeeping(context, route.capability);
+			if (!authorization.ok) return authorization;
+			const normalized = normalizeInput(input);
+			try {
+				const data = await adapters.load(normalized);
+				if (!isValidData(data, normalized)) {
+					throw new Error("invalid Content query data");
+				}
+				return ok(data, authorization.correlationId);
+			} catch {
+				return fail(
+					"DEPENDENCY_UNAVAILABLE",
+					"errors.housekeeping.dependencyUnavailable",
+					authorization.correlationId,
+				);
+			}
+		},
+	};
+}
+
+export const contentQuery = createContentQuery({
+	async load(input) {
+		const { loadProductionContentQuery } = await import(
+			"./content-queries-production"
+		);
+		return loadProductionContentQuery(input);
+	},
+});