File-sorter_Task_Server_Assignment

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

@@ -3,4 +3,57 @@
  *  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');
+
+
+all_data_from_files = [];
+
+
+const number_of_files = 3;                                                        //Number of text files.
+function compareNumbers(a, b) {
+    return a - b;
+}
+function to_add_values(array, flag) {                                             //Function to add values to all_data_from_files array.
+    for (var i = 0; i < array.length; ++i) {
+        all_data_from_files.push(array[i]);
+    }
+    if (flag === true) {
+        to_sort_and_add();
+    }
+}
+function to_read(number) {                                                       //Function to read data from files
+    for (let i = 1; i <= number_of_files; ++i) {
+        fs.readFile(`${i}.txt`, (err, data) => {
+            if (err) {
+                throw err;
+            }
+            else {
+                console.log(`Successfully read ${i}.txt and added values from it to all_data_from_files array!`);
+                if (i === number_of_files) {
+                    to_add_values(data.toString().split('\n'), false);
+                }
+                else {
+                    to_add_values(data.toString().split('\n'), true);
+                }
+
+            }
+        })
+    }
+}
+function to_sort_and_add() {                                                      //Function to sort the final array and add values to sorted.txt file
+    all_data_from_files.sort(compareNumbers)
+    fs.writeFile(`sorted.txt`, all_data_from_files.toString(), (err) => {
+        if (err) {
+            throw err;
+        }
+        else {
+            console.log(`File Saved!`);
+        }
+    });
+
+}
+
+to_read(number_of_files);
+

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

@@ -1,6 +1,9 @@
 const express = require('express')
 const app = express()
 
+app.use(express.urlencoded({ extended: true }));
+app.use(express.json());
+
 /** 
  * Imagine there is a list of tasks like this: 
  *  1. Enroll to Scaler 
@@ -22,8 +25,18 @@ const app = express()
  *         'Get a girlfriend/boyfriend'
  *      ]
  */
-app.get('/tasks', (req, res) => {
 
+var taskList = [                                     //To store all the tasks.
+    "Enroll to Scaler",
+    "Learn Node.js",
+    "Learn React.js",
+    "Get a job",
+    "Get a girlfriend/boyfriend",
+];
+
+
+app.get('/tasks', (req, res) => {
+    res.send(taskList);
 })
 
 /**
@@ -39,8 +52,15 @@ app.get('/tasks', (req, res) => {
  */
 
 app.get('/tasks/:id', (req, res) => {
-
+    let id_of_this_search = req.params.id;
+    if (taskList.length < id_of_this_search) {                 //Check if id is valid or not
+        res.send('Please try again with a valid entry!');
+    }
+    else {
+        res.send(taskList[id_of_this_search - 1]);
+    }
     // BONUS: figure out how `:id` part works 
+
 })
 
 /**
@@ -54,9 +74,15 @@ app.get('/tasks/:id', (req, res) => {
  */
 
 app.post('/tasks', (req, res) => {
-
+    if (req.query["task"] === undefined) {                      //Check if task(query) is valid or not
+        res.send(`Cannot add to task list,please provide a task to add!!`);
+    }
+    else {
+        taskList.push(req.query["task"]);
+        res.send(`Task ${req.query["task"]} is successfully added to tasks list`);
+    }
 })
 
 app.listen(4114, () => {
     console.log('server started on http://127.0.0.1:4114')
-})
+})