add: added a user page and button to delete them

back/libs/mysql.js

@@ -9,6 +9,20 @@ function getConnection() {
   });
 }
 
+function getUsers(connection) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `SELECT id, username, admin FROM users`,
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
 function getUser(connection, id) {
   return new Promise((resolve, reject) => {
     connection.query(
@@ -89,6 +103,21 @@ function getUserLastMessages(connection, username) {
   });
 }
 
+function deleteUser(connection, id) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `DELETE FROM users WHERE id = ?`,
+      [id], // Use parameterized query
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+};
+
 function getChannels(connection) {
   return new Promise((resolve, reject) => {
     connection.query(
@@ -310,6 +339,21 @@ function deleteChannelMessages(connection, channel_id) {
   });
 }
 
+function deleteUserMessages(connection, user_id) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `DELETE FROM messages WHERE user_id = ?`,
+      [user_id], // Use parameterized query
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
 function addMention(connection, message_id, user_id) {
   return new Promise((resolve, reject) => {
     connection.query(
@@ -373,12 +417,29 @@ function deleteChannelMentions(connection, channel_id) {
   });
 }
 
+function deleteUserMentions(connection, user_id) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `DELETE FROM mentions WHERE user_id = ?`,
+      [user_id], // Use parameterized query
+      (error, result) => {
+        if (error) {
+          reject(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
 module.exports = {
+  getUsers,
   getConnection,
   getUser,
   searchUser,
   getUserByUsername,
   addUser,
+  deleteUser,
   getUserLastMessages,
   getChannels,
   getActiveChannels,
@@ -393,8 +454,10 @@ module.exports = {
   addMessage,
   deleteMessage,
   deleteChannelMessages,
+  deleteUserMessages,
   addMention,
   getMentions,
   deleMentions,
+  deleteUserMentions,
   deleteChannelMentions,
 };