Compilation functioning

backend/compile.php

 <?php
 
+header("Access-Control-Allow-Origin: *");
+header('Access-Control-Allow-Credentials: true');
+header("Access-Control-Allow-Methods: PUT, GET, POST, DELETE");
+header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
+header("Content-Type: application/json; charset=UTF-8");
+
 $postData = file_get_contents("php://input");
 $postData = json_decode($postData, true);
 
@@ -9,27 +15,26 @@ $language = $postData['language'];
 
 $ret_stat = 0;
 
-if(strcmp($language, "cpp") == 0)
+if(strcmp($language, ".cpp") == 0)
 {
-    $base = basename($filename, ".cpp");
-    system("g++ ../users/" . $uname . "/" . $filename . " -o ../users/" . $uname . "/" . $base , $ret_stat);
-
+    system("g++ ../users/" . $uname . "/" . $filename . ".cpp -o ../users/" . $uname . "/" . $filename , $ret_stat);
     if($ret_stat != 0)
     {
-        unlink("../users/" . $uname . "/" . $base);
+        unlink("../users/" . $uname . "/" . $filename);
+        throw new Exception("Compilation Error!");
     }
 }
 
-else if(strcmp($language, "java") == 0)
+else if(strcmp($language, ".java") == 0)
 {
-    $base = basename($filename, ".java");
-    system("javac ../users/" . $uname . "/" . $filename , $ret_stat);
+    system("javac ../users/" . $uname . "/" . $filename . '.java' , $ret_stat);
 
     if($ret_stat != 0)
     {
-        unlink("../users/" . $uname . "/" . $base . ".class");
+        unlink("../users/" . $uname . "/" . $filename . ".class");
+        throw new Exception("Compilation Error!");
     }
 }
 
 echo $ret_stat;
-?>
\ No newline at end of file
+?>

backend/execute.php

 <?php
 
+header("Access-Control-Allow-Origin: *");
+header('Access-Control-Allow-Credentials: true');
+header("Access-Control-Allow-Methods: PUT, GET, POST, DELETE");
+header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
+header("Content-Type: application/json; charset=UTF-8");
+
 $postData = file_get_contents("php://input");
 $postData = json_decode($postData, true);
 
-$uname = $postData['username'];
-$filename = $postData['filename'];
-$language = $postData['language'];
+$uname = $postData['file']['username'];
+$filename = $postData['file']['filename'];
+$language = $postData['file']['language'];
 $input_data = $postData['input_data'];
 
 $ret_stat = 0;
@@ -19,16 +25,14 @@ fclose($file);
 
 $out_fname = "../users/" . $uname . "/" . "temp_out" . $template;
 
-if(strcmp($language, "cpp") == 0)
+if(strcmp($language, ".cpp") == 0)
 {
-    $base = basename($filename, ".cpp");
-    system("./../users/" . $uname . "/" . $base . " < " . $in_fname . " > " . $out_fname, $ret_stat);
+    system("./../users/" . $uname . "/" . $filename . " < " . $in_fname . " > " . $out_fname, $ret_stat);
 }
 
 else if(strcmp($language, "java") == 0)
 {
-    $base = basename($filename, ".java");
-    system("java -cp ../users/" . $uname . "/ " . $base . " < " . $in_fname . " > " . $out_fname, $ret_stat);
+    system("java -cp ../users/" . $uname . "/ " . $filename . " < " . $in_fname . " > " . $out_fname, $ret_stat);
 }
 
 else if(strcmp($language, "python") == 0)
@@ -38,13 +42,13 @@ else if(strcmp($language, "python") == 0)
 
 if($ret_stat != 0)
 {
-    echo "Runtime Error!!";
+    throw new Exception("Runtime Error!");
 }
 
 else
 {
     $file = fopen($out_fname, 'r');
-    echo fread($file, filesize($out_fname));
+    echo json_encode(fread($file, filesize($out_fname)));
     fclose($file);
 }
 

backend/filesave.php

@@ -11,21 +11,21 @@ if (isset($postData) && !empty($postData)) {
   $lang = trim($request->language);
   $path = '../users/' . $username . '/' . trim($request->path) . '/' . $filename . $lang;
 
-  if (file_exists($path)) {
-    $msg = "file already exists";
-    clearstatcache();
-    echo json_encode($msg);
-  } 
-  else {
-       $sql1 = "SELECT n_files from userdata where username = $username";
-       $sql2 = "UPDATE userdata SET n_files = n_files+1 WHERE username = $username ";
-       $result = mysqli_query($mysqli, $sql1);
-       if($result == 10){
-           $msg = "maximum limit(10) reached";
-           echo json_encode($msg);
-       }
-       else{
-           if($result = mysqli_query($mysqli, $sql2)) {
+//  if (file_exists($path)) {
+//    $msg = "file already exists";
+//    clearstatcache();
+//    echo json_encode($msg);
+//  }
+//  else {
+//       $sql1 = "SELECT n_files from userdata where username = $username";
+//       $sql2 = "UPDATE userdata SET n_files = n_files+1 WHERE username = $username ";
+//       $result = mysqli_query($mysqli, $sql1);
+//       if($result == 10){
+//           $msg = "maximum limit(10) reached";
+//           echo json_encode($msg);
+//       }
+//       else{
+//           if($result = mysqli_query($mysqli, $sql2)) {
                 $myfile = fopen($path, "w");
                 fwrite($myfile, $data);
                 fclose($myfile);
@@ -33,12 +33,12 @@ if (isset($postData) && !empty($postData)) {
                 $msg = "file successfully uploaded";
                 clearstatcache();
                 echo json_encode($msg);
-            }
-            else{
-                http_response_code(404);
-            }
-        }
-  }
+//            }
+//            else{
+//                http_response_code(404);
+//            }
+//        }
+//  }
 
 
 }

src/app/arena/arena.component.html

@@ -4,8 +4,8 @@
   <div id="toggle-lang">C++</div>
   <div id="attempt">
     <button id="input" (click)="inputField.setState(true)">Custom Input</button>
-    <button id="try" (click)="tryCode(0)" [class.disabled]="compilationError">{{compilationError ? 'Error' : 'Try Code'}}</button>
-    <button id="submit" (click)="tryCode(1)" [class.disabled]="compilationError">{{compilationError ? 'Encountered' : 'Submit Code'}}</button>
+    <button id="try" (click)="tryCode(0)" [class.disabled]="compilationError || isCompiling">{{compilationError ? 'Error' : (isCompiling ? 'Compiling...' : 'Try Code')}}</button>
+    <button id="submit" (click)="tryCode(1)" [class.disabled]="compilationError || isCompiling">{{compilationError ? 'Error' : (isCompiling ? 'Compiling...' : 'Try Code')}}</button>
   </div>
   <label for="editor"></label>
   <textarea id="editor" name="editor"></textarea>

src/app/arena/arena.component.ts

@@ -20,6 +20,7 @@ export class ArenaComponent implements OnInit {
   problem: Problem;
   customInput = '';
   compilationError = false;
+  isCompiling = false;
 
   @ViewChild(InputComponent) inputField: InputComponent;
   @ViewChild(SubmitTryCodeComponent) submitField: SubmitTryCodeComponent;
@@ -76,13 +77,16 @@ export class ArenaComponent implements OnInit {
   }
 
   tryCode(c): void {
+    if (document.getElementById('try').classList.contains('disabled')) {return; }
+    this.isCompiling = true;
     this.runCodeService.compileProblemFile(this.problem)
       .subscribe(data => {
-        if (document.getElementById('try').classList.contains('disabled')) {return; }
         this.submitField.submitting = c;
         this.submitField.reset();
         this.submitField.isActive = true;
+        this.isCompiling = false;
       }, error => {
+        this.isCompiling = false;
         this.compilationError = true;
         setTimeout(() => {
           this.compilationError = false;

src/app/ide-compile/ide-compile.component.html

@@ -2,6 +2,6 @@
 
 <div [class.open]="isActive" id="compile-popup">
   <p [innerHTML]="statusVal" id="compile-status"></p>
-  <button (click)="resultVal !== 0 && setState(false)" [class.disabled]="resultVal === 0" id="compile-done">Done
+  <button (click)="setState(false)" id="compile-done">Done
   </button>
 </div>

src/app/ide-compile/ide-compile.component.ts

@@ -7,7 +7,6 @@ import {Component, Input, OnInit} from '@angular/core';
 })
 export class IdeCompileComponent implements OnInit {
   @Input() statusVal: string;
-  @Input() resultVal: number;
   isActive = false;
 
   constructor() {

src/app/ide/ide.component.html

@@ -4,7 +4,7 @@
     <span *ngIf="!isUpToDate">• </span>
     <span id="ideFileName">{{file.filename + file.language}}</span>
     <button (click)="inputField.setState(true);" id="inputBtn">Input</button>
-    <button (click)="this.runField.isActive = true; this.runCodeService.run()" id="runBtn">Run Code</button>
+    <button (click)="runFile()" id="runBtn" [class.disabled]="isCompiling || isError">{{isError ? 'Error' : (isCompiling ? 'Compiling...' : 'Run File')}}</button>
     <button (click)="!isSaved ? this.saveField.setState(true) : updateFile();"
             [class.disabled]="isUploading || isUpToDate"
             id="saveBtn">{{isUploading ? "Saving File..." : "Save File"}}</button>
@@ -13,5 +13,5 @@
   <textarea id="editor" name="editor" value="{{inp}}"></textarea>
 </div>
 <app-input (valueEmit)="updateInput($event)"></app-input>
-<app-ide-compile [resultVal]="runCodeService.result" [statusVal]="runCodeService.runStatus"></app-ide-compile>
+<app-ide-compile [statusVal]="runCodeService.runStatus"></app-ide-compile>
 <app-save-file (savedFile)="isSaved = isUpToDate = true;" [file]="file"></app-save-file>

src/app/ide/ide.component.ts

@@ -21,6 +21,8 @@ export class IdeComponent implements OnInit {
   extensions = ['.cpp', '.py', '.java'];
   isSaved = false;
   isUploading = false;
+  isCompiling = false;
+  isError = false;
   isUpToDate = false;
   file: File = {
     filename: 'Untitled',
@@ -113,4 +115,33 @@ int main() {
         btn.innerHTML = 'Save File';
       });
   }
+
+  runFile(): void {
+    const btn = document.getElementById('runBtn');
+    if (btn.classList.contains('disabled')) {return; }
+    this.isCompiling = true;
+    this.runCodeService.compileFile(this.file)
+      .subscribe(data => {
+        this.runCodeService.executeFile(this.file, this.inp)
+          .subscribe(d => {
+            this.runField.status = '<div class="code">' + d + '</div>';
+            this.runField.setState(true);
+            this.isCompiling = false;
+          }, err => {
+            console.log(err);
+            this.isCompiling = false;
+            this.isError = true;
+            this.runField.status = '<div class="error">Runtime Error!</div>';
+            this.runField.setState(true);
+            setTimeout(() => {this.isError = false; }, 3000);
+          });
+      }, error => {
+        console.log(error);
+        this.isCompiling = false;
+        this.isError = true;
+        this.runField.status = '<div class="error">Compilation Error!</div>';
+        this.runField.setState(true);
+        setTimeout(() => {this.isError = false; }, 3000);
+      });
+  }
 }

src/app/run-code.service.ts

 import {Injectable} from '@angular/core';
 import {Problem} from './problem';
+import {File} from './file';
 import {Observable, of, throwError} from 'rxjs';
+import {HttpClient} from '@angular/common/http';
 
 @Injectable({
   providedIn: 'root'
@@ -9,33 +11,23 @@ export class RunCodeService {
 
   runStatus = 'Compiling...';
   result = 0;
+  private baseUrl = 'http://localhost/sfcode/backend/';
 
-  constructor() {
+  constructor(private httpClient: HttpClient) {
   }
 
-  run(): void {
-    const output = `25
-abcd
-150`;
-    const statusArray = ['Uploading...', 'Compiling...', 'Running...', `Done!
-
-        <div class="code">${output}</div>`];
-
-    this.result = 0;
-    let time = 0;
-    for (const status of statusArray) {
-      setTimeout(() => {
-        this.runStatus = status;
-      }, time);
-      time += 2000;
-    }
+  compileFile(file: File): Observable<any> {
+    return this.httpClient.post(this.baseUrl + 'compile.php', file);
+  }
 
-    setTimeout(() => {
-      this.result = 1;
-    }, 6000);
+  executeFile(file: File, input: string): Observable<any> {
+    return this.httpClient.post(this.baseUrl + 'execute.php', {
+      file,
+      input_data: input
+    });
   }
 
-  compileProblemFile(prob: Problem): Observable<string> {
+  compileProblemFile(prob: Problem): Observable<any> {
     if (Math.floor(Math.random() * 2) === 1) {return of('done'); }
     else {return throwError('error'); }
   }