feat: combined stats card with streaks and languages

api/combined.js

@@ -0,0 +1,127 @@
+// @ts-check
+
+import { renderCombinedCard } from "../src/cards/combined.js";
+import { guardAccess } from "../src/common/access.js";
+import {
+  CACHE_TTL,
+  resolveCacheSeconds,
+  setCacheHeaders,
+  setErrorCacheHeaders,
+} from "../src/common/cache.js";
+import {
+  MissingParamError,
+  retrieveSecondaryMessage,
+} from "../src/common/error.js";
+import { parseArray, parseBoolean } from "../src/common/ops.js";
+import { renderError } from "../src/common/render.js";
+import { fetchOverview } from "../src/fetchers/overview.js";
+import { fetchStreak } from "../src/fetchers/streak.js";
+import { fetchTopLanguages } from "../src/fetchers/top-languages.js";
+
+// @ts-ignore
+export default async (req, res) => {
+  const {
+    username,
+    hide_border,
+    card_width,
+    title_color,
+    icon_color,
+    text_color,
+    bg_color,
+    theme,
+    cache_seconds,
+    custom_title,
+    border_radius,
+    border_color,
+    disable_animations,
+    langs_count,
+    exclude_repo,
+    hide,
+  } = req.query;
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  const access = guardAccess({
+    res,
+    id: username,
+    type: "username",
+    colors: {
+      title_color,
+      text_color,
+      bg_color,
+      border_color,
+      theme,
+    },
+  });
+  if (!access.isPassed) {
+    return access.result;
+  }
+
+  try {
+    // Fetch all three data sources in parallel.
+    const [overview, streak, langs] = await Promise.all([
+      fetchOverview(username),
+      fetchStreak(username),
+      fetchTopLanguages(username, parseArray(exclude_repo)),
+    ]);
+
+    const cacheSeconds = resolveCacheSeconds({
+      requested: parseInt(cache_seconds, 10),
+      def: CACHE_TTL.STATS_CARD.DEFAULT,
+      min: CACHE_TTL.STATS_CARD.MIN,
+      max: CACHE_TTL.STATS_CARD.MAX,
+    });
+
+    setCacheHeaders(res, cacheSeconds);
+
+    return res.send(
+      renderCombinedCard(
+        { overview, streak, langs },
+        {
+          hide_border: parseBoolean(hide_border),
+          card_width: parseInt(card_width, 10),
+          title_color,
+          icon_color,
+          text_color,
+          bg_color,
+          theme,
+          custom_title,
+          border_radius,
+          border_color,
+          disable_animations: parseBoolean(disable_animations),
+          langs_count: parseInt(langs_count, 10) || 8,
+          hide: parseArray(hide),
+        },
+      ),
+    );
+  } catch (err) {
+    setErrorCacheHeaders(res);
+    if (err instanceof Error) {
+      return res.send(
+        renderError({
+          message: err.message,
+          secondaryMessage: retrieveSecondaryMessage(err),
+          renderOptions: {
+            title_color,
+            text_color,
+            bg_color,
+            border_color,
+            theme,
+            show_repo_link: !(err instanceof MissingParamError),
+          },
+        }),
+      );
+    }
+    return res.send(
+      renderError({
+        message: "An unknown error occurred",
+        renderOptions: {
+          title_color,
+          text_color,
+          bg_color,
+          border_color,
+          theme,
+        },
+      }),
+    );
+  }
+};