add APIs for getting toolbox items

pages/api/get-categories.js

@@ -0,0 +1,25 @@
+import manifest from '../../manifest.js';
+
+/**
+ * @brief Get categories list as an array of strings.
+ */
+function getCategories() {
+	let categories = [];
+
+	for (let i = 0; i < manifest.length; i++) {
+		const entry = manifest[i];
+		categories.push(entry.category);
+	}
+
+	return categories;
+}
+
+export default function handler(req, res) {
+	if (req.method !== "GET") {
+		res.setHeader("Allow", ["GET"]);
+		res.status(405).end(`Method ${req.method} Not Allowed`);
+		return;
+	}
+
+	res.status(200).json(getCategories());
+}

pages/api/get-items.js

@@ -0,0 +1,38 @@
+import manifest from '../../manifest.js';
+
+function getCategoryToItemsMap() {
+	let map = {};
+
+	for (let i = 0; i < manifest.length; i++) {
+		const entry = manifest[i];
+		map[entry.category] = entry.items;
+	}
+
+	return map;
+}
+
+export default function handler(req, res) {
+	if (req.method !== "GET") {
+		res.setHeader("Allow", ["GET"]);
+		res.status(405).end(`Method ${req.method} Not Allowed`);
+		return;
+	}
+
+	let categoryName = req.query.category;
+
+	// // if no category chosen, send all categories
+	// if (categoryName === undefined) {
+	// 	res.status(200).json({ categories: manifest });
+	// 	return;
+	// }
+
+	const map = getCategoryToItemsMap();
+
+	if (!map.hasOwnProperty(categoryName)) {
+		res.status(400).end(`400 Bad Request\nInvalid category name "${categoryName}".`);
+		return;
+	}
+
+	const items = map[categoryName];
+	res.status(200).json(items);
+}