add: added pfps and user profile modification

back/libs/mysql.js

@@ -118,6 +118,51 @@ function deleteUser(connection, id) {
   });
 };
 
+function setUserPfp(connection, id, pfp) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `UPDATE users SET pfp = ? WHERE id = ?`,
+      [pfp, id], // Use parameterized query
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
+function setUserUsername(connection, id, username) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `UPDATE users SET username = ? WHERE id = ?`,
+      [username, id], // Use parameterized query
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
+function setUserPassword(connection, id, password) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `UPDATE users SET password = ? WHERE id = ?`,
+      [password, id], // Use parameterized query
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
 function getChannels(connection) {
   return new Promise((resolve, reject) => {
     connection.query(
@@ -440,6 +485,9 @@ module.exports = {
   getUserByUsername,
   addUser,
   deleteUser,
+  setUserPfp,
+  setUserUsername,
+  setUserPassword,
   getUserLastMessages,
   getChannels,
   getActiveChannels,