v1_categories.ts

import type { HonoContext } from "../types";
import { OpenAPIHono, z } from "@hono/zod-openapi";
import { cache } from "hono/cache";
import { HTTPException } from "hono/http-exception";
import { versionMiddleware } from "../middlewares/version";
import { EmojiCategorySchema } from "../schemas";
import { createError } from "../utils";
import { ALL_CATEGORIES_ROUTE, GET_CATEGORY_ROUTE } from "./v1_categories.openapi";

export const V1_CATEGORIES_ROUTER = new OpenAPIHono<HonoContext>().basePath("/api/v1/categories/:version");

V1_CATEGORIES_ROUTER.use(versionMiddleware);

V1_CATEGORIES_ROUTER.get("*", cache({
  cacheName: "v1-categories",
  cacheControl: "max-age=3600, immutable",
}));

V1_CATEGORIES_ROUTER.openapi(ALL_CATEGORIES_ROUTE, async (c) => {
  const version = c.req.param("version");

  const res = await c.env.EMOJI_DATA.get(`v${version}/groups.json`);
  if (res == null) {
    throw new HTTPException(500, {
      message: "failed to fetch categories",
    });
  }

  const data = await res.json();

  const result = z.array(EmojiCategorySchema).safeParse(data);
  if (!result.success) {
    return createError(c, 500, "failed to parse categories");
  }

  const categories = result.data;

  return c.json(
    categories,
    200,
  );
});

V1_CATEGORIES_ROUTER.openapi(GET_CATEGORY_ROUTE, async (c) => {
  const version = c.req.param("version");
  const categorySlug = c.req.param("category");

  const res = await c.env.EMOJI_DATA.get(`v${version}/groups.json`);

  if (res == null) {
    throw new HTTPException(500, {
      message: "failed to fetch categories",
    });
  }

  const data = await res.json();

  const result = z.array(EmojiCategorySchema).safeParse(data);

  if (!result.success) {
    return createError(c, 500, "failed to parse categories");
  }

  const category = result.data.find((c) => c.slug === categorySlug);

  return c.json(
    category,
    200,
  );
});