fix: update fs commands

Author: ITboo

src/app/app.js

@@ -29,6 +29,7 @@ class App {
 
         this.printHello = function () {
             console.log(consoleColors.yellow, `${msg.WELCOME_MSG}${this.userName}!${EOL}${msg.HELP_MSG}`);
+            console.log(consoleColors.gray, `${EOL}${msg.CURRENT_DIR}${this.dir}${EOL}`);
 
         };
         this.printBye = function () {

src/app/dispatcher.js

@@ -1,11 +1,16 @@
 import * as COMMAND from '../commands/commandList.js'
+import { BYE_MSG, OPERATION_FAILED, THANK_MSG } from '../common/messages.js';
+import { consoleColors } from '../utils/consoleColors.js';
 import { parseInput } from './parser.js';
 
 
 export const handleCommands = async (line) => {
     const { command, params } = parseInput(line);
     // ! refactor switch-case
     switch (command) {
+        case '.exit':
+            console.log(consoleColors.yellow, `${THANK_MSG}${BYE_MSG}`);
+            process.exit(0);
         case 'help':
             await COMMAND.printHelp();
             break;
@@ -48,5 +53,7 @@ export const handleCommands = async (line) => {
         case 'decompress':
             await COMMAND.decompress(...params);
             break;
+        default:
+            console.log(consoleColors.red, OPERATION_FAILED);
     }
 }

src/commands/fs/cat.js

@@ -1,4 +1,16 @@
+import { createReadStream } from 'fs';
+import { resolve as resolvePath } from 'path';
+import { cwd } from 'process';
 
-export const cat = async (command) => {
-   console.log('Works')
+export const cat = async (path) => {
+   await new Promise((resolve, reject) => {
+      const filePath = resolvePath(cwd(), path);
+      const fileContent = createReadStream(filePath, { encoding: 'utf8' });
+  
+      fileContent.on('data', (chunk) => {
+        console.log(chunk);
+      });
+      fileContent.on('error', reject);
+      fileContent.on('end', resolve);
+    });
 };

src/commands/fs/rm.js

@@ -1,8 +1,11 @@
-import { rm } from 'fs/promises';
+import { rm as rmFile} from 'fs/promises';
+import { resolve } from 'path';
+import { cwd } from 'process';
 
 import { rm_success } from '../../common/messages.js';
 
-export const remove = async (command) => {
-
+export const remove = async (path) => {
+    const filePath = resolve(cwd(), path);
+    await rmFile(filePath);
     console.log(rm_success);
 };

src/commands/fs/rn.js

@@ -1,7 +1,14 @@
 import { rename } from 'fs/promises';
+import { resolve } from 'path';
+import { cwd } from 'process';
 
 import { rn_success } from '../../common/messages.js';
 
-export const rn = async (command) => {
-    console.log(rn_success);
+export const rn = async (currentName, newName) => {
+    const filePath = resolve(cwd(), currentName);
+    const newFile = resolve(cwd(), newName);
+    await rename(filePath, newFile);
+    if (rename){
+        console.log(rn_success);
+    }
 };

src/commands/hash/hash.js

@@ -1,7 +1,15 @@
 import { createHash } from 'crypto';
 import { readFile } from 'fs/promises';
+import { resolve } from 'path';
+import { cwd } from 'process';
+
 import { hash_success } from '../../common/messages.js';
+import { consoleColors } from '../../utils/consoleColors.js'
 
-export const calculateHash = async (command) => {
-    console.log(hash_success);
+export const calculateHash = async (path) => {
+    const filePath = resolve(cwd(), path);
+    const buffer = await readFile(filePath);
+    const hash = createHash('sha256').update(buffer).digest('hex');
+    console.log(consoleColors.green, hash_success);
+    console.log(`Hash: ${hash}`)
 };

src/commands/os/os.js

@@ -1,5 +1,5 @@
 import { EOL, cpus, homedir, userInfo, arch } from "os";
-import { OPERATION_FAILED } from "../../common/messages";
+import { OPERATION_FAILED } from "../../common/messages.js";
 
 const osEOL = '--EOL';
 const CPUS = '--cpus';

src/utils/consoleColors.js

@@ -2,4 +2,6 @@ export const consoleColors = {
     red: '\x1b[31m%s\x1b[0m',
     yellow: '\x1b[33m%s\x1b[0m',
     cyan: '\x1b[36m%s\x1b[0m',
+    gray: '\x1b[90m%s\x1b[0m',
+    green: '\x1b[32m%s\x1b[0m'
   };

test.txt

@@ -0,0 +1 @@
+1233ww