Implement Discord appeal functionality, including database schema, API endpoints, front-end form, and Discord message handling.

database/src/main/java/com/alttd/altitudeweb/setup/InitializeWebDb.java

@@ -33,6 +33,7 @@ public class InitializeWebDb {
                       createPrivilegedUsersTable(sqlSession);
                       createPrivilegesTable(sqlSession);
                       createAppealTable(sqlSession);
+                      createdDiscordAppealTable(sqlSession);
                       createStaffApplicationsTable(sqlSession);
                       createUserEmailsTable(sqlSession);
                   });
@@ -183,4 +184,26 @@ public class InitializeWebDb {
         }
     }
 
+    private static void createdDiscordAppealTable(@NotNull SqlSession sqlSession) {
+        String query = """
+                CREATE TABLE IF NOT EXISTS discord_appeals (
+                    id UUID NOT NULL DEFAULT (UUID()) PRIMARY KEY,
+                    uuid UUID NOT NULL,
+                    discord_id BIGINT UNSIGNED NOT NULL,
+                    discord_username VARCHAR(32) NOT NULL,
+                    reason TEXT NOT NULL,
+                    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+                    send_at TIMESTAMP NULL,
+                    e_mail TEXT NOT NULL,
+                    assigned_to BIGINT UNSIGNED NULL,
+                    FOREIGN KEY (uuid) REFERENCES privileged_users(uuid) ON DELETE CASCADE ON UPDATE CASCADE
+                );
+                """;
+        try (Statement statement = sqlSession.getConnection().createStatement()) {
+            statement.execute(query);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
 }