Update project structure

app.js

@@ -1,96 +1,8 @@
-require("./src/common/config");
-const { asyncForEach } = require("./src/common/utils");
-const mediumCard = require("./src/assets/card");
-const { getUserData } = require("./src/api/medium");
 var express = require("express");
 var app = express();
-app.use(express.json());
-
-app.get("/latest", async (request, response) => {
- try {
- if (!request.query.username) {
- response.write(
- JSON.stringify({
- error: "username is required",
- })
- );
- response.end();
- return;
- }
-
- const username = request.query.username;
- const offset = request.query.offset || 0;
- const width = request.query.width || config.card.width;
- const height = request.query.height || config.card.height;
-
- request.query.width = width;
- request.query.height = height;
-
- var resultData = await getUserData(username);
- const limit = request.query.limit == null ? config.default.limit 
- : request.query.limit > resultData.length ? resultData.length
- : request.query.limit;
- let result = `<svg>`;
-
- result = `<svg xmlns="http:https://www.w3.org/2000/svg" xmlns:xlink="http:https://www.w3.org/1999/xlink" 
- width="${
- (limit == 1 ? width : 2 * width) +
- config.default.margin_left +
- config.card.spacing
- }" 
- version="1.2" 
- height="${
- Math.round(limit / 2) * height +
- config.default.margin_top * 2 +
- config.card.spacing * Math.floor(limit / 2)
- }"
- viewBox="0 0 ${
- (limit == 1 ? width : 2 * width) +
- config.default.margin_left +
- config.card.spacing
- } ${
- Math.round(limit / 2) * height +
- config.default.margin_top * 2 +
- config.card.spacing * Math.floor(limit / 2)
- }">`;
- await asyncForEach(
- resultData.slice(offset, offset + limit),
- request.query,
- async (blog, index, settings) => {
- if (index >= limit) {
- return;
- }
- const mediumCardObj = await mediumCard(blog, settings, index);
- result += `<g transform="translate(${
- (index % 2 ? width + config.card.spacing : 0) +
- config.default.margin_left
- }, ${
- Math.floor(index / 2) * height +
- config.default.margin_top +
- (index > 1 ? config.card.spacing * Math.floor(index / 2) : 0)
- })">${mediumCardObj}</g>`;
- }
- );
-
- result += `</svg>`;
-
- response.setHeader(
- "Cache-Control",
- "public, no-cache, no-store, must-revalidate"
- );
- response.setHeader("Expires", "-1");
- response.setHeader("Pragma", "no-cache");
- response.writeHead(200, { "Content-Type": "image/svg+xml" });
-
- response.write(result);
- response.end();
- } catch (error) {
- console.log(error);
- response.send("Error while fetching the data" + error);
- }
-});
-
 var port = process.env.PORT || 3000;
+app.use(express.json());
+app.use(require("./src/route/router"))
 
 app.listen(port, function () {
  console.log("Server listening " + port);

src/assets/card.js

@@ -163,4 +163,4 @@ const mediumCard = async (data, settings, index) => {
  `;
 };
 
-module.exports = mediumCard;
+module.exports.mediumCard = mediumCard;

src/controller/medium_controller.js

@@ -0,0 +1,52 @@
+const { asyncForEach } = require("../common/utils");
+const { mediumCard } = require("../assets/card");
+const { getUserData } = require("../route/api/medium");
+
+async function parseToMediumCard(request) {
+ const username = request.query.username;
+ const offset = request.query.offset || 0;
+ const width = request.query.width || config.card.width;
+ const height = request.query.height || config.card.height;
+
+ request.query.width = width;
+ request.query.height = height;
+
+ var resultData = await getUserData(username);
+ const limit = request.query.limit == null ? config.default.limit
+ : request.query.limit > resultData.length ? resultData.length
+ : request.query.limit;
+ let result = `<svg>`;
+
+ result = `<svg xmlns="http:https://www.w3.org/2000/svg" xmlns:xlink="http:https://www.w3.org/1999/xlink" 
+ width="${(limit == 1 ? width : 2 * width) +
+ config.default.margin_left +
+ config.card.spacing}" 
+ version="1.2" 
+ height="${Math.round(limit / 2) * height +
+ config.default.margin_top * 2 +
+ config.card.spacing * Math.floor(limit / 2)}"
+ viewBox="0 0 ${(limit == 1 ? width : 2 * width) +
+ config.default.margin_left +
+ config.card.spacing} ${Math.round(limit / 2) * height +
+ config.default.margin_top * 2 +
+ config.card.spacing * Math.floor(limit / 2)}">`;
+ await asyncForEach(
+ resultData.slice(offset, offset + limit),
+ request.query,
+ async (blog, index, settings) => {
+ if (index >= limit) {
+ return;
+ }
+ const mediumCardObj = await mediumCard(blog, settings, index);
+ result += `<g transform="translate(${(index % 2 ? width + config.card.spacing : 0) +
+ config.default.margin_left}, ${Math.floor(index / 2) * height +
+ config.default.margin_top +
+ (index > 1 ? config.card.spacing * Math.floor(index / 2) : 0)})">${mediumCardObj}</g>`;
+ }
+ );
+
+ result += `</svg>`;
+ return result;
+}
+
+module.exports.parseToMediumCard = parseToMediumCard;

src/api/medium.js → src/route/api/medium.js

@@ -1,8 +1,7 @@
 const axios = require("axios");
-const mediumURL =
- "https://api.rss2json.com/v1/api.json?rss_url=https://medium.com/feed/@";
+const mediumURL ="https://api.rss2json.com/v1/api.json?rss_url=https://medium.com/feed/@";
 
-const getArticlesByUsername = async (username) => {
+async function getArticlesByUsername(username) {
  try {
  const result = await axios.get(mediumURL + username);
  const filteredResult = result.data.items.filter(
@@ -18,4 +17,4 @@ const getArticlesByUsername = async (username) => {
  }
 };
 
-module.exports = { getUserData: getArticlesByUsername };
+exports.getUserData = getArticlesByUsername;

src/route/router.js

@@ -0,0 +1,34 @@
+const { parseToMediumCard } = require("../controller/medium_controller");
+var router = require("express").Router();
+
+router.get("/latest", async (request, response) => {
+ try {
+ if (!request.query.username) {
+ response.write(
+ JSON.stringify({
+ error: "username is required",
+ })
+ );
+ response.end();
+ return;
+ }
+
+ const result = await parseToMediumCard(request);
+
+ response.setHeader(
+ "Cache-Control",
+ "public, no-cache, no-store, must-revalidate"
+ );
+ response.setHeader("Expires", "-1");
+ response.setHeader("Pragma", "no-cache");
+ response.writeHead(200, { "Content-Type": "image/svg+xml" });
+
+ response.write(result);
+ response.end();
+ } catch (error) {
+ console.log(error);
+ response.send("Error while fetching the data" + error);
+ }
+ });
+
+module.exports = router;