Fixed student deletion bug

CTF/CTF-Frontend/src/app/admin-profile/admin-profile.service.ts

@@ -29,6 +29,7 @@ export class AdminProfileService {
   }
 
   async deleteUser(email: string): Promise<any> {
+    await this.deleteSubsFromStudent(email);
     try {
       const response = await fetch('api/users/DeleteStudent', {
         method: 'POST',
@@ -48,6 +49,26 @@ export class AdminProfileService {
     }
   }
 
+  async deleteSubsFromStudent(email: String): Promise<any> {
+    try {
+      const response = await fetch('api/submissions//DeleteSubsFromStudent', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({ email: email })
+      });
+
+      if (!response.ok) {
+        throw new Error('Failed to delete flags');
+      }
+      return await response.json();
+    } catch (error) {
+      console.error('Error deleting flags:', error);
+      throw error;
+    }
+  }
+
   async getContests(email: string): Promise<any> {
     try {
       const response = await fetch('api/contests/getContests', {

CTF/CTF-Server/queries/submissionQueries.js

@@ -10,6 +10,16 @@ export async function getSubmissions(userID, flagID){
 	});
 }
 
+export async function getUserSubmissions(userID){
+	return new Promise((resolve, reject) => {
+		const query = 'SELECT * FROM Submissions WHERE UserID = ?';
+		con.query(query, [userID], (err, result) => {
+			if(err) reject(err);
+			else resolve(result);
+		});
+	});
+}
+
 export async function insertSubmission(userID, flagID, isCorrect, attempts){
 	return new Promise((resolve, reject) => {
 		const query = 'INSERT INTO Submissions (UserID, FlagID, IsCorrect, Attempts) VALUES (?, ?, ?, ?)';
@@ -40,6 +50,20 @@ export async function updateSubmissionAttempts(userID, flagID){
 	});
 }
 
+// delete flags attempts from submissions
+export async function DeleteSubsFromStudent(userID) {
+	return new Promise((resolve, reject) => {
+		const query = 'DELETE FROM Submissions WHERE UserID = ?';
+		con.query(query, [userID], (err, result) => {
+			if (err) {
+				console.error(err.message);
+				return reject(err);
+			}
+			resolve(result);
+		});
+	});
+}
+
 // get all of the submissions
 export async function getAllSubs() {
 	return new Promise((resolve,reject) => {

CTF/CTF-Server/queries/userQueries.js

@@ -14,7 +14,6 @@ export function getUserByEmail(table, email) {
 	});
 }
 
-
 // get all users from an AdminID
 export async function getUsersFromAdmin(AdminID) {
 	return new Promise((resolve,reject) => {
@@ -39,7 +38,6 @@ export async function setUserName(name, email){
 	});
 }
 
-
 export async function addStudent(name, email, password, admin){
 	return new Promise((resolve, reject) => {
 		const query = `INSERT INTO Users (Name, Email, Password, Flags, AdminID) VALUES (?,?,?,0,?)`;

CTF/CTF-Server/routes/submissionHandler.js

@@ -1,7 +1,7 @@
 import { Router } from "express";
 import { getFlagHash } from "../server.js"
 import { getUserID } from "../queries/userQueries.js";
-import { getSubmissions, insertSubmission, updateSubmissionAttempts, getAllSubs } from "../queries/submissionQueries.js";
+import { getSubmissions, insertSubmission, updateSubmissionAttempts, getAllSubs, getUserSubmissions, DeleteSubsFromStudent} from "../queries/submissionQueries.js";
 import { updateUserFlags } from "../queries/userQueries.js";
 const router = Router();
 
@@ -40,6 +40,21 @@ router.post('/checkFlagSubmission', async (req, res) => {
 	}
 });
 
+// delete all submissions from a specific user
+router.post('/DeleteSubsFromStudent', async (req,res) => {
+	const { email } = req.body;
+	try{
+		const studentID = await getUserID(email);
+		const result = await DeleteSubsFromStudent(studentID);
+		if(result.affectedRows === 0)
+			return res.status(200).json({ success: true, message: "User had no submissions"});
+		return res.status(200).json({success: true});
+	} catch(err){
+		console.error("Error deleting submissions from student:", err.message);
+		return res.status(500).json({error: "COULD NOT DELETE Submissions"});
+	}
+});
+
 router.post('/checkPracSubmission', async (req, res) => {
 	const { email, flagID, submittedFlag } = req.body;
 	const correctFlag = getFlagHash(email, flagID);