Completed the task-list

08-node-basics/asg-file-sorter/file-sorter.js

@@ -3,4 +3,61 @@
  *  1. Read files 1.txt, 2.txt, 3.txt and all the numbers inside them 
  *  2. Sort the numbers in ascending order
  *  3. Write the sorted numbers to a file called sorted.txt
- */
+ */
+
+
+
+const fs = require("fs");
+const { type } = require("os");
+
+// const arr = [1, 2, 3, 4];
+// var arr1 = "1,2,3,4,5";
+// fs.writeFile("1.txt", arr1, (err) => {
+//   if (err) throw err;
+//   else {
+//     console.log("File Saved");
+//   }
+// });
+
+const finalArrayList = [];
+const data1 = fs.readFileSync("1.txt", "utf8").split("\n"); // get data from files in string encoded in utf8
+const data2 = fs.readFileSync("1.txt", "utf8").split("\n");
+const data3 = fs.readFileSync("1.txt", "utf8").split("\n");
+
+// parseInt from string to number and store in finalArrayList of all the three files content
+for (i in data1) {
+  var num = parseInt(data1[i]);
+  finalArrayList.push(num);
+}
+for (i in data2) {
+  var num = parseInt(data1[i]);
+  finalArrayList.push(num);
+}
+for (i in data3) {
+  var num = parseInt(data1[i]);
+  finalArrayList.push(num);
+}
+
+// sort the integer Array
+finalArrayList.sort((a, b) => a - b);
+
+var contentToadd = "";
+
+// store the integer array in string by adding the "\n" in each line
+
+for (i in finalArrayList) {
+  // console.log(finalArrayList[i]);
+  contentToadd += finalArrayList[i];
+  contentToadd += "\n";
+}
+console.log(contentToadd);
+
+// write the string contetToAdd in sorted-data file
+
+fs.writeFile("sorted-data.txt", contentToadd, (err) => {
+  if (err) {
+    throw err;
+  } else {
+    console.log("File Saved!!");
+  }
+});

09-node-express-server/task-list-http-server/server.js

@@ -53,10 +53,83 @@ app.get('/tasks/:id', (req, res) => {
  *   6. Complete NodeJS Assignment
  */
 
-app.post('/tasks', (req, res) => {
+const express = require("express");
+const fs = require("fs");
+
+const app = express();
+app.use(express.urlencoded({ extended: true })); // to enable the parsing of the body if in it is of json format or in url-encoded fromat.
+app.use(express.json());
+
+const taskList = [
+  "Enroll to Scaler",
+  "Learn Node.Js",
+  "Learn React.Js",
+  "Get a Job",
+  "Get a Girlfriend",
+];
+
+saveTaskToFile = () => {
+  fs.writeFile("1.txt", taskList.toString().replace(",", "\n"), (err) => {
+    if (err) throw err;
+    else {
+      console.log("Saved the File\n");
+    }
+  });
+};
+
+const ln = taskList.length;
+app.get("/tasks", (req, res) => {
+  res.send(taskList);
+});
+app.post("/tasks", (req, res) => {
+  const times = taskList.length - ln;
+  var strCur = req.body["task"];
+  strCur = strCur + " " + times;
+  taskList.push(strCur);
+
+  var curTaskToSave = "";
+  var str = taskList.toString();
+  for (let i = 0; i < str.length; i++) {
+    if (str[i] == ",") {
+      curTaskToSave += "\n";
+    } else {
+      curTaskToSave += str[i];
+    }
+  }
+  console.log(curTaskToSave);
+
+  fs.writeFile("task.json", curTaskToSave, (err) => {
+    if (err) throw err;
+    else {
+      console.log("Saved the File\n");
+    }
+  });
+
+  res.send(
+    "sending post request and aded the  one more task! \n now task =" + times
+  );
+});
+saveTaskToFile;
+
+app.get("/tasks/:id", (req, res) => {
+  // if path is like /:id then we can extract the string after / using req.params.id
+  if (req.params.id >= taskList.length || req.params.id < 0) {
+    res.send("This is not Authorised!!");
+  } else {
+    res.send(taskList[req.params.id]);
+  }
+});
+
+app.listen("3300", () => {
+  console.log("listening at port" + 3300);
+});
+
+// You can't send the  body in get erequest.
+/* Save the tasks to a file task.json 
+update the file every time a new taks is created 
+when server is restarted old task should  be available
+Read the file at server start to load the saved tasks
+*/
+
 
-})
 
-app.listen(4114, () => {
-    console.log('server started on http://127.0.0.1:4114')
-})