Merge pull request #106 from Nayanika1402/nayanika1

Health tip card added

README.md

@@ -64,6 +64,7 @@ Here is a list of cards that can currently be used:
 | `security-tips-card` | `![Card](https://afraid-ninnetta-github-cards.koyeb.app/security-tips-card?theme=dark)` |
 | `french-word-of-the-day-card` | `![Card](https://afraid-ninnetta-github-cards.koyeb.app/french-word-of-the-day-card)` |
 | `travel-destinations-card` | `![Card](https://afraid-ninnetta-github-cards.koyeb.app/travel-destinations-card?theme=dark)` |
+| `health-tip-card` | `![Card](https://afraid-ninnetta-github-cards.koyeb.app/health-tip-card?theme=dark)` |
 
 ## Themes
 

index.js

@@ -22,6 +22,7 @@ const available_cards = {
   "/harry-potter-spell-card": require("./src/cards/harry-potter-spells"),
   "/travel-destinations-card": require("./src/cards/travel_destinations"),
   "/french-word-of-the-day-card": require("./src/cards/french_word_of_the_day"),
+  "/health-tip-card": require("./src/cards/health-tip-card"),
 };
 
 app.use(express.json());

src/cards/health-tip-card.js

@@ -0,0 +1,53 @@
+const express = require("express");
+const router = express.Router();
+const fs = require("fs").promises;
+const { generateCard, CARD_AGE, Languages } = require("../card-generator");
+const { parseOptions } = require("../options-parser");
+
+const DATA_FILE_PATH = "./src/data/health-tips.json";
+const DEFAULT_THEME = "light";
+
+const handleTheme = (req, res, next) => {
+  req.theme = req.query.theme || DEFAULT_THEME;
+  next();
+};
+
+const handleOptions = (req, res, next) => {
+  // Custom theme moderation
+  if (req.theme === "my_theme") {
+    req.theme = "pattern_3";
+    req.options = {
+      card_color: "#ffffffc2",
+      font_color: "#000",
+      shadow: false,
+    };
+  } else if (req.theme === "custom") {
+    req.options = parseOptions(req.query);
+  }
+  next();
+};
+
+router.get("/", handleTheme, handleOptions, async (req, res) => {
+  try {
+    const healthTips = JSON.parse(await fs.readFile(DATA_FILE_PATH, "utf8"));
+    const random_tip = healthTips[Math.floor(Math.random() * healthTips.length)];
+
+    const health_tip_card = await generateCard(
+      random_tip.content,
+      req.theme,
+      req.options,
+      Languages.ENGLISH
+    );
+
+    res.writeHead(200, {
+      "Content-Type": "image/svg+xml",
+      "Cache-Control": `public, max-age=${CARD_AGE}`,
+    });
+    res.end(health_tip_card);
+  } catch (error) {
+    console.error("Error:", error);
+    res.status(500).send("Internal Server Error");
+  }
+});
+
+module.exports = router;