move files back and adapt most paths

api/gist.js

@@ -0,0 +1,91 @@
+import {
+  clampValue,
+  CONSTANTS,
+  renderError,
+  parseBoolean,
+} from "../src/common/utils.js";
+import { isLocaleAvailable } from "../src/translations.js";
+import { renderGistCard } from "../src/cards/gist-card.js";
+import { fetchGist } from "../src/fetchers/gist-fetcher.js";
+import { storeRequest } from "../src/common/database.js";
+
+export default async (req, res) => {
+  const {
+    id,
+    title_color,
+    icon_color,
+    text_color,
+    bg_color,
+    theme,
+    cache_seconds,
+    locale,
+    border_radius,
+    border_color,
+    show_owner,
+    hide_border,
+  } = req.query;
+
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  if (locale && !isLocaleAvailable(locale)) {
+    return res.send(
+      renderError("Something went wrong", "Language not found", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  try {
+    await storeRequest(req);
+    const gistData = await fetchGist(id);
+
+    let cacheSeconds = clampValue(
+      parseInt(cache_seconds || CONSTANTS.TWO_DAY, 10),
+      CONSTANTS.TWO_DAY,
+      CONSTANTS.SIX_DAY,
+    );
+    cacheSeconds = process.env.CACHE_SECONDS
+      ? parseInt(process.env.CACHE_SECONDS, 10) || cacheSeconds
+      : cacheSeconds;
+
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${cacheSeconds}, s-maxage=${cacheSeconds}`,
+    );
+
+    return res.send(
+      renderGistCard(gistData, {
+        title_color,
+        icon_color,
+        text_color,
+        bg_color,
+        theme,
+        border_radius,
+        border_color,
+        locale: locale ? locale.toLowerCase() : null,
+        show_owner: parseBoolean(show_owner),
+        hide_border: parseBoolean(hide_border),
+      }),
+    );
+  } catch (err) {
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${CONSTANTS.ERROR_CACHE_SECONDS / 2}, s-maxage=${
+        CONSTANTS.ERROR_CACHE_SECONDS
+      }, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    ); // Use lower cache period for errors.
+    return res.send(
+      renderError(err.message, err.secondaryMessage, {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+};

api/index.js

@@ -0,0 +1,182 @@
+import { renderStatsCard } from "../src/cards/stats-card.js";
+import { blacklist } from "../src/common/blacklist.js";
+import {
+  clampValue,
+  CONSTANTS,
+  parseArray,
+  parseBoolean,
+  renderError,
+} from "../src/common/utils.js";
+import { fetchStats } from "../src/fetchers/stats-fetcher.js";
+import { isLocaleAvailable } from "../src/translations.js";
+import { storeRequest } from "../src/common/database.js";
+
+export default async (req, res) => {
+  const {
+    username,
+    repos,
+    owners,
+    hide,
+    hide_title,
+    hide_border,
+    card_width,
+    hide_rank,
+    show_icons,
+    include_all_commits,
+    line_height,
+    title_color,
+    ring_color,
+    icon_color,
+    text_color,
+    text_bold,
+    bg_color,
+    theme,
+    cache_seconds,
+    exclude_repo,
+    custom_title,
+    locale,
+    disable_animations,
+    border_radius,
+    number_format,
+    border_color,
+    rank_icon,
+    show,
+  } = req.query;
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  if (blacklist.includes(username)) {
+    return res.send(
+      renderError("Something went wrong", "This username is blacklisted", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  if (locale && !isLocaleAvailable(locale)) {
+    return res.send(
+      renderError("Something went wrong", "Language not found", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  const safePattern = /^[-\w\/.,]+$/;
+  if (
+    (username && !safePattern.test(username)) ||
+    (repos && !safePattern.test(repos)) ||
+    (owners && !safePattern.test(owners))
+  ) {
+    return res.send(
+      renderError(
+        "Something went wrong",
+        "Username, repository or owner contains unsafe characters",
+        {
+          title_color,
+          text_color,
+          bg_color,
+          border_color,
+          theme,
+        },
+      ),
+    );
+  }
+
+  try {
+    await storeRequest(req);
+    const showStats = parseArray(show);
+    const organizations = parseArray(owners);
+    let repositories = parseArray(repos);
+    repositories = repositories.map((repo) =>
+      repo.includes("/") ? repo : `${username}/${repo}`,
+    );
+
+    const stats = await fetchStats(
+      username,
+      parseBoolean(include_all_commits),
+      parseArray(exclude_repo),
+      showStats.includes("prs_merged") ||
+        showStats.includes("prs_merged_percentage"),
+      showStats.includes("discussions_started"),
+      showStats.includes("discussions_answered"),
+      repositories,
+      organizations,
+      showStats.includes("prs_authored"),
+      showStats.includes("prs_commented"),
+      showStats.includes("prs_reviewed"),
+      showStats.includes("issues_authored"),
+      showStats.includes("issues_commented"),
+    );
+
+    let cacheSeconds = clampValue(
+      parseInt(cache_seconds || CONSTANTS.CARD_CACHE_SECONDS, 10),
+      CONSTANTS.TWELVE_HOURS,
+      CONSTANTS.TWO_DAY,
+    );
+    cacheSeconds = process.env.CACHE_SECONDS
+      ? parseInt(process.env.CACHE_SECONDS, 10) || cacheSeconds
+      : cacheSeconds;
+
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${cacheSeconds}, s-maxage=${cacheSeconds}, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    );
+
+    return res.send(
+      renderStatsCard(
+        stats,
+        {
+          hide: parseArray(hide),
+          show_icons: parseBoolean(show_icons),
+          hide_title: parseBoolean(hide_title),
+          hide_border: parseBoolean(hide_border),
+          card_width: parseInt(card_width, 10),
+          hide_rank: parseBoolean(hide_rank),
+          include_all_commits: parseBoolean(include_all_commits),
+          line_height,
+          title_color,
+          ring_color,
+          icon_color,
+          text_color,
+          text_bold: parseBoolean(text_bold),
+          bg_color,
+          theme,
+          custom_title,
+          border_radius,
+          border_color,
+          number_format,
+          locale: locale ? locale.toLowerCase() : null,
+          disable_animations: parseBoolean(disable_animations),
+          rank_icon,
+          show: showStats,
+        },
+        username,
+        repositories,
+        organizations,
+      ),
+    );
+  } catch (err) {
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${CONSTANTS.ERROR_CACHE_SECONDS / 2}, s-maxage=${
+        CONSTANTS.ERROR_CACHE_SECONDS
+      }, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    ); // Use lower cache period for errors.
+    return res.send(
+      renderError(err.message, err.secondaryMessage, {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+};

api/pin.js

@@ -0,0 +1,150 @@
+import { renderRepoCard } from "../src/cards/repo-card.js";
+import { blacklist } from "../src/common/blacklist.js";
+import {
+  clampValue,
+  CONSTANTS,
+  parseArray,
+  parseBoolean,
+  renderError,
+} from "../src/common/utils.js";
+import { fetchRepo } from "../src/fetchers/repo-fetcher.js";
+import { isLocaleAvailable } from "../src/translations.js";
+import { storeRequest } from "../src/common/database.js";
+
+export default async (req, res) => {
+  const {
+    username,
+    repo,
+    hide_border,
+    title_color,
+    icon_color,
+    text_color,
+    bg_color,
+    card_width,
+    theme,
+    show_owner,
+    show,
+    show_icons,
+    number_format,
+    text_bold,
+    line_height,
+    cache_seconds,
+    locale,
+    border_radius,
+    border_color,
+    description_lines_count,
+  } = req.query;
+
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  if (blacklist.includes(username)) {
+    return res.send(
+      renderError("Something went wrong", "This username is blacklisted", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  if (locale && !isLocaleAvailable(locale)) {
+    return res.send(
+      renderError("Something went wrong", "Language not found", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  const safePattern = /^[-\w\/.,]+$/;
+  if (
+    (username && !safePattern.test(username)) ||
+    (repo && !safePattern.test(repo))
+  ) {
+    return res.send(
+      renderError(
+        "Something went wrong",
+        "Username or repository contains unsafe characters",
+        {
+          title_color,
+          text_color,
+          bg_color,
+          border_color,
+          theme,
+        },
+      ),
+    );
+  }
+
+  try {
+    await storeRequest(req);
+    const showStats = parseArray(show);
+    const repoData = await fetchRepo(
+      username,
+      repo,
+      showStats.includes("prs_authored"),
+      showStats.includes("prs_commented"),
+      showStats.includes("prs_reviewed"),
+      showStats.includes("issues_authored"),
+      showStats.includes("issues_commented"),
+    );
+
+    let cacheSeconds = clampValue(
+      parseInt(cache_seconds || CONSTANTS.PIN_CARD_CACHE_SECONDS, 10),
+      CONSTANTS.ONE_DAY,
+      CONSTANTS.TEN_DAY,
+    );
+    cacheSeconds = process.env.CACHE_SECONDS
+      ? parseInt(process.env.CACHE_SECONDS, 10) || cacheSeconds
+      : cacheSeconds;
+
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${cacheSeconds}, s-maxage=${cacheSeconds}`,
+    );
+
+    return res.send(
+      renderRepoCard(repoData, {
+        hide_border: parseBoolean(hide_border),
+        title_color,
+        icon_color,
+        text_color,
+        bg_color,
+        theme,
+        border_radius,
+        border_color,
+        card_width_input: parseInt(card_width, 10),
+        show_owner: parseBoolean(show_owner),
+        show: showStats,
+        show_icons: parseBoolean(show_icons),
+        number_format,
+        text_bold: parseBoolean(text_bold),
+        line_height,
+        username,
+        locale: locale ? locale.toLowerCase() : null,
+        description_lines_count,
+      }),
+    );
+  } catch (err) {
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${CONSTANTS.ERROR_CACHE_SECONDS / 2}, s-maxage=${
+        CONSTANTS.ERROR_CACHE_SECONDS
+      }, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    ); // Use lower cache period for errors.
+    return res.send(
+      renderError(err.message, err.secondaryMessage, {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+};

api/repeat-recent.js

@@ -0,0 +1,14 @@
+import { repeatRecentRequests } from "../src/common/database.js";
+
+export default async (req, res) => {
+  if (req.method !== "POST") {
+    res.status(405).json({ error: "Method Not Allowed" });
+    return;
+  }
+  try {
+    await repeatRecentRequests();
+    res.status(200).json({ message: "Recent requests repeated successfully." });
+  } catch (error) {
+    res.status(500).json({ error: error.message || "Internal Server Error" });
+  }
+};

api/status/pat-info.js

@@ -0,0 +1,158 @@
+/**
+ * @file Contains a simple cloud function that can be used to check which PATs are no
+ * longer working. It returns a list of valid PATs, expired PATs and PATs with errors.
+ *
+ * @description This function is currently rate limited to 1 request per 5 minutes.
+ */
+
+import { logger, request, dateDiff } from "../../src/common/utils.js";
+export const RATE_LIMIT_SECONDS = 60 * 5; // 1 request per 5 minutes
+
+/**
+ * @typedef {import('axios').AxiosRequestHeaders} AxiosRequestHeaders Axios request headers.
+ * @typedef {import('axios').AxiosResponse} AxiosResponse Axios response.
+ */
+
+/**
+ * Simple uptime check fetcher for the PATs.
+ *
+ * @param {AxiosRequestHeaders} variables Fetcher variables.
+ * @param {string} token GitHub token.
+ * @returns {Promise<AxiosResponse>} The response.
+ */
+const uptimeFetcher = (variables, token) => {
+  return request(
+    {
+      query: `
+        query {
+          rateLimit {
+            remaining
+            resetAt
+          },
+        }`,
+      variables,
+    },
+    {
+      Authorization: `bearer ${token}`,
+    },
+  );
+};
+
+const getAllPATs = () => {
+  return Object.keys(process.env).filter((key) => /PAT_\d*$/.exec(key));
+};
+
+/**
+ * @typedef {(variables: AxiosRequestHeaders, token: string) => Promise<AxiosResponse>} Fetcher The fetcher function.
+ * @typedef {{validPATs: string[], expiredPATs: string[], exhaustedPATs: string[], suspendedPATs: string[], errorPATs: string[], details: any}} PATInfo The PAT info.
+ */
+
+/**
+ * Check whether any of the PATs is expired.
+ *
+ * @param {Fetcher} fetcher The fetcher function.
+ * @param {AxiosRequestHeaders} variables Fetcher variables.
+ * @returns {Promise<PATInfo>} The response.
+ */
+const getPATInfo = async (fetcher, variables) => {
+  const details = {};
+  const PATs = getAllPATs();
+
+  for (const pat of PATs) {
+    try {
+      const response = await fetcher(variables, process.env[pat]);
+      const errors = response.data.errors;
+      const hasErrors = Boolean(errors);
+      const errorType = errors?.[0]?.type;
+      const isRateLimited =
+        (hasErrors && errorType === "RATE_LIMITED") ||
+        response.data.data?.rateLimit?.remaining === 0;
+
+      // Store PATs with errors.
+      if (hasErrors && errorType !== "RATE_LIMITED") {
+        details[pat] = {
+          status: "error",
+          error: {
+            type: errors[0].type,
+            message: errors[0].message,
+          },
+        };
+        continue;
+      } else if (isRateLimited) {
+        const date1 = new Date();
+        const date2 = new Date(response.data?.data?.rateLimit?.resetAt);
+        details[pat] = {
+          status: "exhausted",
+          remaining: 0,
+          resetIn: dateDiff(date2, date1) + " minutes",
+        };
+      } else {
+        details[pat] = {
+          status: "valid",
+          remaining: response.data.data.rateLimit.remaining,
+        };
+      }
+    } catch (err) {
+      // Store the PAT if it is expired.
+      const errorMessage = err.response?.data?.message?.toLowerCase();
+      if (errorMessage === "bad credentials") {
+        details[pat] = {
+          status: "expired",
+        };
+      } else if (errorMessage === "sorry. your account was suspended.") {
+        details[pat] = {
+          status: "suspended",
+        };
+      } else {
+        throw err;
+      }
+    }
+  }
+
+  const filterPATsByStatus = (status) => {
+    return Object.keys(details).filter((pat) => details[pat].status === status);
+  };
+
+  const sortedDetails = Object.keys(details)
+    .sort()
+    .reduce((obj, key) => {
+      obj[key] = details[key];
+      return obj;
+    }, {});
+
+  return {
+    validPATs: filterPATsByStatus("valid"),
+    expiredPATs: filterPATsByStatus("expired"),
+    exhaustedPATs: filterPATsByStatus("exhausted"),
+    suspendedPATs: filterPATsByStatus("suspended"),
+    errorPATs: filterPATsByStatus("error"),
+    details: sortedDetails,
+  };
+};
+
+/**
+ * Cloud function that returns information about the used PATs.
+ *
+ * @param {any} _ The request.
+ * @param {any} res The response.
+ * @returns {Promise<void>} The response.
+ */
+export default async (_, res) => {
+  res.setHeader("Content-Type", "application/json");
+  try {
+    // Add header to prevent abuse.
+    const PATsInfo = await getPATInfo(uptimeFetcher, {});
+    if (PATsInfo) {
+      res.setHeader(
+        "Cache-Control",
+        `max-age=0, s-maxage=${RATE_LIMIT_SECONDS}`,
+      );
+    }
+    res.send(JSON.stringify(PATsInfo, null, 2));
+  } catch (err) {
+    // Throw error if something went wrong.
+    logger.error(err);
+    res.setHeader("Cache-Control", "no-store");
+    res.send("Something went wrong: " + err.message);
+  }
+};

api/status/up.js

@@ -0,0 +1,126 @@
+/**
+ * @file Contains a simple cloud function that can be used to check if the PATs are still
+ * functional.
+ *
+ * @description This function is currently rate limited to 1 request per 5 minutes.
+ */
+
+import retryer from "../../src/common/retryer.js";
+import { logger, request } from "../../src/common/utils.js";
+
+export const RATE_LIMIT_SECONDS = 60 * 5; // 1 request per 5 minutes
+
+/**
+ * @typedef {import('axios').AxiosRequestHeaders} AxiosRequestHeaders Axios request headers.
+ * @typedef {import('axios').AxiosResponse} AxiosResponse Axios response.
+ */
+
+/**
+ * Simple uptime check fetcher for the PATs.
+ *
+ * @param {AxiosRequestHeaders} variables Fetcher variables.
+ * @param {string} token GitHub token.
+ * @returns {Promise<AxiosResponse>} The response.
+ */
+const uptimeFetcher = (variables, token) => {
+  return request(
+    {
+      query: `
+        query {
+          rateLimit {
+              remaining
+          }
+        }
+        `,
+      variables,
+    },
+    {
+      Authorization: `bearer ${token}`,
+    },
+  );
+};
+
+/**
+ * @typedef {{
+ *  schemaVersion: number;
+ *  label: string;
+ *  message: "up" | "down";
+ *  color: "brightgreen" | "red";
+ *  isError: boolean
+ * }} ShieldsResponse Shields.io response object.
+ */
+
+/**
+ * Creates Json response that can be used for shields.io dynamic card generation.
+ *
+ * @param {boolean} up Whether the PATs are up or not.
+ * @returns {ShieldsResponse}  Dynamic shields.io JSON response object.
+ *
+ * @see https://shields.io/endpoint.
+ */
+const shieldsUptimeBadge = (up) => {
+  const schemaVersion = 1;
+  const isError = true;
+  const label = "Public Instance";
+  const message = up ? "up" : "down";
+  const color = up ? "brightgreen" : "red";
+  return {
+    schemaVersion,
+    label,
+    message,
+    color,
+    isError,
+  };
+};
+
+/**
+ * Cloud function that returns whether the PATs are still functional.
+ *
+ * @param {any} req The request.
+ * @param {any} res The response.
+ * @returns {Promise<void>} Nothing.
+ */
+export default async (req, res) => {
+  let { type } = req.query;
+  type = type ? type.toLowerCase() : "boolean";
+
+  res.setHeader("Content-Type", "application/json");
+
+  try {
+    let PATsValid = true;
+    try {
+      await retryer(uptimeFetcher, {});
+    } catch (err) {
+      // Resolve eslint no-unused-vars
+      err;
+
+      PATsValid = false;
+    }
+
+    if (PATsValid) {
+      res.setHeader(
+        "Cache-Control",
+        `max-age=0, s-maxage=${RATE_LIMIT_SECONDS}`,
+      );
+    } else {
+      res.setHeader("Cache-Control", "no-store");
+    }
+
+    switch (type) {
+      case "shields":
+        res.send(shieldsUptimeBadge(PATsValid));
+        break;
+      case "json":
+        res.send({ up: PATsValid });
+        break;
+      default:
+        res.send(PATsValid);
+        break;
+    }
+  } catch (err) {
+    // Return fail boolean if something went wrong.
+    logger.error(err);
+    res.setHeader("Cache-Control", "no-store");
+    res.send("Something went wrong: " + err.message);
+  }
+};

api/top-langs.js

@@ -0,0 +1,124 @@
+import { renderTopLanguages } from "../src/cards/top-languages-card.js";
+import { blacklist } from "../src/common/blacklist.js";
+import {
+  CONSTANTS,
+  parseArray,
+  parseBoolean,
+  renderError,
+} from "../src/common/utils.js";
+import { fetchTopLanguages } from "../src/fetchers/top-languages-fetcher.js";
+import { isLocaleAvailable } from "../src/translations.js";
+import { storeRequest } from "../src/common/database.js";
+
+export default async (req, res) => {
+  const {
+    username,
+    hide,
+    hide_title,
+    hide_border,
+    card_width,
+    title_color,
+    text_color,
+    bg_color,
+    theme,
+    cache_seconds,
+    layout,
+    langs_count,
+    exclude_repo,
+    size_weight,
+    count_weight,
+    custom_title,
+    locale,
+    border_radius,
+    border_color,
+    disable_animations,
+    hide_progress,
+  } = req.query;
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  if (blacklist.includes(username)) {
+    return res.send(
+      renderError("Something went wrong", "This username is blacklisted", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  if (locale && !isLocaleAvailable(locale)) {
+    return res.send(renderError("Something went wrong", "Locale not found"));
+  }
+
+  if (
+    layout !== undefined &&
+    (typeof layout !== "string" ||
+      !["compact", "normal", "donut", "donut-vertical", "pie"].includes(layout))
+  ) {
+    return res.send(
+      renderError("Something went wrong", "Incorrect layout input"),
+    );
+  }
+
+  try {
+    await storeRequest(req);
+    const topLangs = await fetchTopLanguages(
+      username,
+      parseArray(exclude_repo),
+      size_weight,
+      count_weight,
+    );
+
+    let cacheSeconds = parseInt(
+      cache_seconds || CONSTANTS.TOP_LANGS_CACHE_SECONDS,
+      10,
+    );
+    cacheSeconds = process.env.CACHE_SECONDS
+      ? parseInt(process.env.CACHE_SECONDS, 10) || cacheSeconds
+      : cacheSeconds;
+
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${cacheSeconds / 2}, s-maxage=${cacheSeconds}`,
+    );
+
+    return res.send(
+      renderTopLanguages(topLangs, {
+        custom_title,
+        hide_title: parseBoolean(hide_title),
+        hide_border: parseBoolean(hide_border),
+        card_width: parseInt(card_width, 10),
+        hide: parseArray(hide),
+        title_color,
+        text_color,
+        bg_color,
+        theme,
+        layout,
+        langs_count,
+        border_radius,
+        border_color,
+        locale: locale ? locale.toLowerCase() : null,
+        disable_animations: parseBoolean(disable_animations),
+        hide_progress: parseBoolean(hide_progress),
+      }),
+    );
+  } catch (err) {
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${CONSTANTS.ERROR_CACHE_SECONDS / 2}, s-maxage=${
+        CONSTANTS.ERROR_CACHE_SECONDS
+      }, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    ); // Use lower cache period for errors.
+    return res.send(
+      renderError(err.message, err.secondaryMessage, {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+};

api/wakatime.js

@@ -0,0 +1,111 @@
+import { renderWakatimeCard } from "../src/cards/wakatime-card.js";
+import {
+  clampValue,
+  CONSTANTS,
+  parseArray,
+  parseBoolean,
+  renderError,
+} from "../src/common/utils.js";
+import { fetchWakatimeStats } from "../src/fetchers/wakatime-fetcher.js";
+import { isLocaleAvailable } from "../src/translations.js";
+import { storeRequest } from "../src/common/database.js";
+
+export default async (req, res) => {
+  const {
+    username,
+    title_color,
+    icon_color,
+    hide_border,
+    line_height,
+    text_color,
+    bg_color,
+    theme,
+    cache_seconds,
+    hide_title,
+    hide_progress,
+    custom_title,
+    locale,
+    layout,
+    langs_count,
+    hide,
+    api_domain,
+    border_radius,
+    border_color,
+    display_format,
+    disable_animations,
+  } = req.query;
+
+  res.setHeader("Content-Type", "image/svg+xml");
+
+  if (locale && !isLocaleAvailable(locale)) {
+    return res.send(
+      renderError("Something went wrong", "Language not found", {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+
+  try {
+    await storeRequest(req);
+    const stats = await fetchWakatimeStats({ username, api_domain });
+
+    let cacheSeconds = clampValue(
+      parseInt(cache_seconds || CONSTANTS.CARD_CACHE_SECONDS, 10),
+      CONSTANTS.SIX_HOURS,
+      CONSTANTS.TWO_DAY,
+    );
+    cacheSeconds = process.env.CACHE_SECONDS
+      ? parseInt(process.env.CACHE_SECONDS, 10) || cacheSeconds
+      : cacheSeconds;
+
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${
+        cacheSeconds / 2
+      }, s-maxage=${cacheSeconds}, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    );
+
+    return res.send(
+      renderWakatimeCard(stats, {
+        custom_title,
+        hide_title: parseBoolean(hide_title),
+        hide_border: parseBoolean(hide_border),
+        hide: parseArray(hide),
+        line_height,
+        title_color,
+        icon_color,
+        text_color,
+        bg_color,
+        theme,
+        hide_progress,
+        border_radius,
+        border_color,
+        locale: locale ? locale.toLowerCase() : null,
+        layout,
+        langs_count,
+        display_format,
+        disable_animations: parseBoolean(disable_animations),
+      }),
+    );
+  } catch (err) {
+    res.setHeader(
+      "Cache-Control",
+      `max-age=${CONSTANTS.ERROR_CACHE_SECONDS / 2}, s-maxage=${
+        CONSTANTS.ERROR_CACHE_SECONDS
+      }, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
+    ); // Use lower cache period for errors.
+    return res.send(
+      renderError(err.message, err.secondaryMessage, {
+        title_color,
+        text_color,
+        bg_color,
+        border_color,
+        theme,
+      }),
+    );
+  }
+};