minor

backend/questions/question_save.php

@@ -11,6 +11,7 @@ $postData = file_get_contents("php://input");
 
 if(isset($postData) && !empty($postData)){
     $request = json_decode($postData);
+    
     $title = trim($request->title);
     $username = trim($request->username);  //string
     $statement = trim($request->statement); //string
@@ -21,7 +22,7 @@ if(isset($postData) && !empty($postData)){
     $stime = trim($request->start_time); //string
     $etime = trim($request->end_time)
 
-    $sql = "INSERT INTO questions($title,$username,$statement,$tc1,$out1,$tc2,$out2,$stime,$etime)";
+    $sql = "INSERT INTO questions(title,username,statement,tc1,out1,tc2,out2,stime,etime) VALUES ('$title','$username','$statement','$tc1','$out1','$tc2','$out2','$stime','$etime')";
 
     if($result = $mysqli->query($sql)){
         $msg = "question uploaded";

src/app/home/home.component.html

@@ -5,7 +5,7 @@
 
 <div class="loginPopup">
   <div class="formPopup" id="popupForm">
-    <form class="formContainer" (ngSubmit) = "submitForm()">
+    <form class="formContainer" id="quesform" (ngSubmit) = "submitForm()">
 
       <input type="text" id="title" placeholder="Problem Title" name="title" [(ngModel)]="questiontoPost.title" required>
       <textarea id="statement" placeholder="Problem Statement" rows="8" cols="80" required></textarea>

src/app/home/home.component.ts

@@ -70,8 +70,15 @@ export class HomeComponent implements OnInit {
     };
   }
 
-  submitForm(): void {
-    this.questionService.uploadQues(this.questiontoPost);
+  submitForm() {
+    this.questionService.uploadQues(this.questiontoPost).subscribe(
+      (event: any) => {
+        if (typeof (event) === 'object') {
+          this.questiontoPost = null;
+          (document.getElementById('quesform') as HTMLInputElement).value = '';
+        }
+      }
+    );
     this.resetForm();
     this.closeForm();
   }

src/app/question.service.ts

@@ -15,8 +15,8 @@ export class QuestionService {
 
   constructor(private http: HttpClient) { }
 
-  uploadQues(ques: Question): void {
-    this.http.post(this.uploadUrl, ques);
+  uploadQues(ques): Observable<any> {
+    return this.http.post(this.uploadUrl, ques);
   }
 
   getQues(): Observable<any[]> {