Updates 💯

Datura/src/main/java/me/totalfreedom/datura/banning/BanUID.java

@@ -0,0 +1,66 @@
+package me.totalfreedom.datura.banning;
+
+import me.totalfreedom.security.ban.BanID;
+
+import java.time.Instant;
+import java.time.temporal.ChronoField;
+
+public final class BanUID implements BanID
+{
+    private final char prefix;
+    private final int numericalTag;
+
+    private BanUID(final boolean permanent)
+    {
+        if (permanent)
+        {
+            prefix = 'P';
+        } else
+        {
+            prefix = 'T';
+        }
+
+        final Instant instant = Instant.now();
+
+        String stringBuilder = String.valueOf(instant.get(ChronoField.DAY_OF_YEAR)) + // The first three numbers between 001 -> 365
+                instant.get(ChronoField.HOUR_OF_DAY) + // next two numbers between 00 -> 23
+                instant.get(ChronoField.MINUTE_OF_HOUR) + // next two numbers between 00 -> 59
+                instant.get(ChronoField.MILLI_OF_SECOND); // last three numbers between 000 -> 999
+
+        numericalTag = Integer.parseInt(stringBuilder);
+    }
+
+    public static BanUID createTempID()
+    {
+        return new BanUID(false);
+    }
+
+    public static BanUID createPermID()
+    {
+        return new BanUID(true);
+    }
+
+    @Override
+    public String getID()
+    {
+        return getIDPrefix() + "-" + getNumericalTag();
+    }
+
+    @Override
+    public char getIDPrefix()
+    {
+        return prefix;
+    }
+
+    @Override
+    public int getNumericalTag()
+    {
+        return numericalTag;
+    }
+
+    @Override
+    public boolean isPermanent()
+    {
+        return getIDPrefix() == 'P';
+    }
+}

Datura/src/main/java/me/totalfreedom/datura/banning/SimpleBan.java

@@ -0,0 +1,82 @@
+package me.totalfreedom.datura.banning;
+
+import me.totalfreedom.security.ban.Ban;
+import me.totalfreedom.security.ban.BanID;
+import org.jetbrains.annotations.Nullable;
+
+import java.time.Instant;
+import java.util.UUID;
+
+public final class SimpleBan implements Ban
+{
+    private final BanID id;
+    private final UUID offenderID;
+    private final String reason;
+    private final String issuer;
+    private final Instant creationTime;
+    private final Instant expiry;
+
+    public SimpleBan(
+            final UUID offenderID,
+            final String reason,
+            final String issuer,
+            final Instant creationTime,
+            final Instant expiry)
+    {
+        if (expiry == null)
+        {
+            this.id = BanUID.createPermID();
+        } else
+        {
+            this.id = BanUID.createTempID();
+        }
+
+        this.offenderID = offenderID;
+        this.reason = reason;
+        this.issuer = issuer;
+        this.creationTime = creationTime;
+        this.expiry = expiry;
+    }
+
+    @Override
+    public BanID getBanID()
+    {
+        return id;
+    }
+
+    @Override
+    public UUID getOffenderID()
+    {
+        return offenderID;
+    }
+
+    @Override
+    public String getReason()
+    {
+        return reason;
+    }
+
+    @Override
+    public String getBanIssuer()
+    {
+        return issuer;
+    }
+
+    @Override
+    public Instant getCreationTime()
+    {
+        return creationTime;
+    }
+
+    @Override
+    public @Nullable Instant getExpiry()
+    {
+        return expiry;
+    }
+
+    @Override
+    public boolean isExpired()
+    {
+        return Instant.now().compareTo(expiry) >= 0;
+    }
+}

Datura/src/main/java/me/totalfreedom/datura/event/UserDataUpdateEvent.java

@@ -0,0 +1,25 @@
+package me.totalfreedom.datura.event;
+
+import me.totalfreedom.event.FEvent;
+import me.totalfreedom.user.UserData;
+
+public class UserDataUpdateEvent extends FEvent
+{
+    private final UserData data;
+
+    public UserDataUpdateEvent(UserData data)
+    {
+        this.data = data;
+    }
+
+    public UserData getData()
+    {
+        return data;
+    }
+
+    @Override
+    public Class<? extends FEvent> getEventClass()
+    {
+        return UserDataUpdateEvent.class;
+    }
+}

Datura/src/main/java/me/totalfreedom/datura/perms/DefaultNodes.java

@@ -1,7 +1,7 @@
 package me.totalfreedom.datura.perms;
 
-import me.totalfreedom.security.Node;
-import me.totalfreedom.security.NodeType;
+import me.totalfreedom.security.perm.Node;
+import me.totalfreedom.security.perm.NodeType;
 
 public class DefaultNodes
 {

Datura/src/main/java/me/totalfreedom/datura/perms/FreedomGroup.java

@@ -1,8 +1,8 @@
 package me.totalfreedom.datura.perms;
 
 import me.totalfreedom.base.CommonsBase;
-import me.totalfreedom.security.Group;
-import me.totalfreedom.security.Node;
+import me.totalfreedom.security.perm.Group;
+import me.totalfreedom.security.perm.Node;
 import net.kyori.adventure.text.Component;
 import org.bukkit.permissions.Permission;
 import org.bukkit.permissions.PermissionAttachment;

Datura/src/main/java/me/totalfreedom/datura/perms/FreedomUser.java

@@ -3,7 +3,7 @@ package me.totalfreedom.datura.perms;
 import me.totalfreedom.base.CommonsBase;
 import me.totalfreedom.datura.Datura;
 import me.totalfreedom.datura.user.SimpleUserData;
-import me.totalfreedom.security.Node;
+import me.totalfreedom.security.perm.Node;
 import me.totalfreedom.user.User;
 import me.totalfreedom.user.UserData;
 import net.kyori.adventure.text.Component;

Datura/src/main/java/me/totalfreedom/datura/perms/PermissionNode.java

@@ -1,7 +1,7 @@
 package me.totalfreedom.datura.perms;
 
-import me.totalfreedom.security.Node;
-import me.totalfreedom.security.NodeType;
+import me.totalfreedom.security.perm.Node;
+import me.totalfreedom.security.perm.NodeType;
 import org.bukkit.permissions.Permission;
 import org.bukkit.permissions.PermissionDefault;
 

Datura/src/main/java/me/totalfreedom/datura/perms/PermissionNodeBuilder.java

@@ -1,8 +1,8 @@
 package me.totalfreedom.datura.perms;
 
-import me.totalfreedom.security.Node;
-import me.totalfreedom.security.NodeBuilder;
-import me.totalfreedom.security.NodeType;
+import me.totalfreedom.security.perm.Node;
+import me.totalfreedom.security.perm.NodeBuilder;
+import me.totalfreedom.security.perm.NodeType;
 
 public class PermissionNodeBuilder implements NodeBuilder
 {

Datura/src/main/java/me/totalfreedom/datura/sql/DBBan.java

@@ -0,0 +1,89 @@
+package me.totalfreedom.datura.sql;
+
+import me.totalfreedom.base.CommonsBase;
+import me.totalfreedom.datura.banning.SimpleBan;
+import me.totalfreedom.security.ban.Ban;
+import me.totalfreedom.security.ban.BanID;
+import me.totalfreedom.sql.SQL;
+import me.totalfreedom.utils.FreedomLogger;
+
+import java.sql.SQLException;
+import java.time.Instant;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+
+public class DBBan
+{
+    private final SQL sql;
+
+    public DBBan(SQL sql)
+    {
+        this.sql = sql;
+    }
+
+    public CompletableFuture<Ban> fromSQL(BanID id)
+    {
+        return sql.executeQuery("SELECT * FROM bans WHERE id = ?", id.getID())
+                .thenApplyAsync(result ->
+                {
+                    try
+                    {
+                        if (result.next())
+                        {
+                            UUID uuid = UUID.fromString(result.getString("uuid"));
+                            Instant timestamp = Instant.parse(result.getString("timestamp"));
+
+                            final Instant expiry;
+                            String ex = result.getString("expiry");
+                            if (ex.equals("-1"))
+                            {
+                                expiry = null;
+                            } else
+                            {
+                                expiry = Instant.parse(ex);
+                            }
+
+                            return new SimpleBan(uuid,
+                                    result.getString("reason"),
+                                    result.getString("issuer"),
+                                    timestamp,
+                                    expiry);
+                        }
+                    } catch (SQLException e)
+                    {
+                        FreedomLogger.getLogger("Datura")
+                                .error(e.getMessage());
+                    }
+                    return null;
+                }, CommonsBase.getInstance().getExecutor().getAsync());
+    }
+
+    public void addBan(Ban ban)
+    {
+        sql.executeUpdate("INSERT INTO bans (id, uuid, reason, issuer, timestamp, expiry) VALUES (?, ?, ?, ?, ?, ?)",
+                ban.getBanID().getID(),
+                ban.getOffenderID().toString(),
+                ban.getReason(),
+                ban.getBanIssuer(),
+                ban.getCreationTime().toString(),
+                (ban.getExpiry() != null ? ban.getExpiry().toString() : "-1")
+        );
+    }
+
+    public boolean hasEntry(UUID uuid) {
+        return sql.executeQuery("SELECT * FROM bans WHERE uuid = ?", uuid.toString())
+                .thenApplyAsync(result ->
+                {
+                    try
+                    {
+                        return result.next();
+                    } catch (SQLException e)
+                    {
+                        FreedomLogger.getLogger("Datura")
+                                .error(e.getMessage());
+                    }
+                    return false;
+                }, CommonsBase.getInstance().getExecutor().getAsync())
+                .join();
+    }
+}

Datura/src/main/java/me/totalfreedom/datura/sql/MySQL.java

@@ -1,5 +1,6 @@
 package me.totalfreedom.datura.sql;
 
+import me.totalfreedom.base.CommonsBase;
 import me.totalfreedom.sql.SQL;
 
 import java.sql.*;
@@ -39,7 +40,7 @@ public class MySQL implements SQL
                 throw new CompletionException("Failed to connect to the database: "
                         + url + "\n", ex);
             }
-        });
+        }, CommonsBase.getInstance().getExecutor().getAsync());
     }
 
     @Override
@@ -57,7 +58,7 @@ public class MySQL implements SQL
                         throw new CompletionException("Failed to prepare statement: "
                                 + query + "\n", ex);
                     }
-                });
+                }, CommonsBase.getInstance().getExecutor().getAsync());
     }
 
     @Override
@@ -71,7 +72,7 @@ public class MySQL implements SQL
                         throw new CompletionException("Failed to retrieve a result set from query: "
                                 + query + "\n", ex);
                     }
-                });
+                }, CommonsBase.getInstance().getExecutor().getAsync());
     }
 
     @Override
@@ -85,7 +86,7 @@ public class MySQL implements SQL
                         throw new CompletionException("Failed to execute update: "
                                 + query + "\n", ex);
                     }
-                });
+                }, CommonsBase.getInstance().getExecutor().getAsync());
     }
 
     @Override
@@ -99,7 +100,7 @@ public class MySQL implements SQL
                         throw new CompletionException("Failed to execute statement: "
                                 + query + "\n", ex);
                     }
-                });
+                }, CommonsBase.getInstance().getExecutor().getAsync());
     }
 
     @Override

Datura/src/main/java/me/totalfreedom/datura/user/SimpleUserData.java

@@ -1,8 +1,9 @@
 package me.totalfreedom.datura.user;
 
 import me.totalfreedom.base.CommonsBase;
+import me.totalfreedom.datura.event.UserDataUpdateEvent;
 import me.totalfreedom.datura.perms.FreedomUser;
-import me.totalfreedom.security.Group;
+import me.totalfreedom.security.perm.Group;
 import me.totalfreedom.sql.SQL;
 import me.totalfreedom.user.User;
 import me.totalfreedom.user.UserData;
@@ -21,6 +22,7 @@ public class SimpleUserData implements UserData
     private final UUID uuid;
     private final String username;
     private final User user;
+    private final UserDataUpdateEvent event = new UserDataUpdateEvent(this);
     private Group group;
     private long playtime;
     private boolean frozen;
@@ -32,6 +34,8 @@ public class SimpleUserData implements UserData
         this.uuid = player.getUniqueId();
         this.username = player.getName();
         this.user = new FreedomUser(player);
+
+        CommonsBase.getInstance().getEventBus().addEvent(event);
     }
 
     private SimpleUserData(
@@ -86,17 +90,16 @@ public class SimpleUserData implements UserData
                         }
                     } catch (SQLException ex)
                     {
-                        StringBuilder sb = new StringBuilder();
-                        sb.append("An error occurred while trying to retrieve user data for UUID ")
-                                .append(uuid)
-                                .append(" from the database.")
-                                .append("\nCaused by: ")
-                                .append(ExceptionUtils.getRootCauseMessage(ex))
-                                .append("\nStack trace: ")
-                                .append(ExceptionUtils.getStackTrace(ex));
+                        String sb = "An error occurred while trying to retrieve user data for UUID " +
+                                uuid +
+                                " from the database." +
+                                "\nCaused by: " +
+                                ExceptionUtils.getRootCauseMessage(ex) +
+                                "\nStack trace: " +
+                                ExceptionUtils.getStackTrace(ex);
 
                         FreedomLogger.getLogger("Datura")
-                                .error(sb.toString());
+                                .error(sb);
                     }
 
                     Player player = Bukkit.getPlayer(UUID.fromString(uuid));
@@ -135,6 +138,7 @@ public class SimpleUserData implements UserData
     @Override
     public void setGroup(@Nullable Group group)
     {
+        event.ping();
         this.group = group;
     }
 
@@ -147,18 +151,21 @@ public class SimpleUserData implements UserData
     @Override
     public void setPlaytime(long playtime)
     {
+        event.ping();
         this.playtime = playtime;
     }
 
     @Override
     public void addPlaytime(long playtime)
     {
+        event.ping();
         this.playtime += playtime;
     }
 
     @Override
     public void resetPlaytime()
     {
+        event.ping();
         this.playtime = 0L;
     }
 
@@ -171,6 +178,7 @@ public class SimpleUserData implements UserData
     @Override
     public void setFrozen(boolean frozen)
     {
+        event.ping();
         this.frozen = true;
     }
 
@@ -183,6 +191,7 @@ public class SimpleUserData implements UserData
     @Override
     public void setInteractionState(boolean canInteract)
     {
+        event.ping();
         this.canInteract = canInteract;
     }
 
@@ -195,6 +204,7 @@ public class SimpleUserData implements UserData
     @Override
     public void setCaged(boolean caged)
     {
+        event.ping();
         this.caged = caged;
     }
 }

Patchwork/src/main/java/me/totalfreedom/base/CommonsBase.java

@@ -41,4 +41,9 @@ public class CommonsBase extends JavaPlugin
     {
         return executor;
     }
+
+    public EventBus getEventBus()
+    {
+        return eventBus;
+    }
 }

Patchwork/src/main/java/me/totalfreedom/data/BanRegistry.java

@@ -0,0 +1,35 @@
+package me.totalfreedom.data;
+
+import me.totalfreedom.security.ban.Ban;
+import me.totalfreedom.security.ban.BanID;
+import me.totalfreedom.sql.SQL;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BanRegistry
+{
+    private final List<Ban> bansList = new ArrayList<>();
+
+    public boolean addBan(Ban ban) {
+        return bansList.add(ban);
+    }
+
+    public boolean removeBan(Ban ban) {
+        return bansList.remove(ban);
+    }
+
+    @Nullable
+    public Ban getBan(BanID banID)
+    {
+        for (Ban ban : bansList)
+        {
+            if (ban.getBanID().matches(banID))
+            {
+                return ban;
+            }
+        }
+        return null;
+    }
+}

Patchwork/src/main/java/me/totalfreedom/data/ConfigRegistry.java

@@ -2,10 +2,25 @@ package me.totalfreedom.data;
 
 import me.totalfreedom.config.Configuration;
 
-import java.util.HashSet;
-import java.util.Set;
+import java.util.HashMap;
+import java.util.Map;
 
 public class ConfigRegistry
 {
-    Set<Configuration> configurationSet = new HashSet<>();
+    private final Map<String, Configuration> configurationList = new HashMap<>();
+
+    public void register(String name, Configuration configuration)
+    {
+        configurationList.put(name, configuration);
+    }
+
+    public void unregister(String name)
+    {
+        configurationList.remove(name);
+    }
+
+    public Configuration getConfiguration(String name)
+    {
+        return configurationList.get(name);
+    }
 }

Patchwork/src/main/java/me/totalfreedom/data/GroupRegistry.java

@@ -1,6 +1,6 @@
 package me.totalfreedom.data;
 
-import me.totalfreedom.security.Group;
+import me.totalfreedom.security.perm.Group;
 import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
 
 import java.util.ArrayList;

Patchwork/src/main/java/me/totalfreedom/event/EventBus.java

@@ -24,6 +24,16 @@ public class EventBus extends Service
         eventSet.add(event);
     }
 
+    public <T extends FEvent> T getEvent(Class<T> eventClass)
+    {
+        FEvent e = eventSet.stream()
+                .filter(event -> event.getEventClass().equals(eventClass))
+                .findFirst()
+                .orElse(null);
+
+        return eventClass.cast(e);
+    }
+
     public <T extends FEvent> EventSubscription<T> subscribe(Class<T> eventClass, Callback<T> callback)
     {
         Context<T> eventContext = () -> eventSet.stream()

Patchwork/src/main/java/me/totalfreedom/event/EventSubscription.java

@@ -1,36 +1,15 @@
 package me.totalfreedom.event;
 
-import me.totalfreedom.api.Context;
-
-import java.util.function.Supplier;
-
-public final class EventSubscription<T extends FEvent>
+public record EventSubscription<T extends FEvent>(T event, Callback<T> callback)
 {
-    private final T event;
-    private final Callback<T> callback;
-
-    public EventSubscription(T event, Callback<T> callback)
-    {
-        this.event = event;
-        this.callback = callback;
-    }
-
-    public T getEvent()
-    {
-        return event;
-    }
 
     public boolean cancel()
     {
-        return getEvent().cancel();
+        return event().cancel();
     }
 
     public boolean isCancelled()
     {
-        return getEvent().isCancelled();
-    }
-
-    public Callback<T> getCallback() {
-        return callback;
+        return event().isCancelled();
     }
 }

Patchwork/src/main/java/me/totalfreedom/event/FEvent.java

@@ -1,17 +1,29 @@
 package me.totalfreedom.event;
 
-import me.totalfreedom.api.Context;
-
 public abstract class FEvent
 {
     private boolean isCancelled;
+    private boolean triggered;
 
     protected FEvent()
     {
         this.isCancelled = false;
     }
 
-    public abstract void call(Callback<FEvent> callback);
+    public void ping()
+    {
+        this.triggered = true;
+    }
+
+    public void reset()
+    {
+        this.triggered = false;
+    }
+
+    boolean shouldCall()
+    {
+        return triggered;
+    }
 
     public boolean cancel()
     {

Patchwork/src/main/java/me/totalfreedom/event/SubscriptionBox.java

@@ -1,5 +1,7 @@
 package me.totalfreedom.event;
 
+import com.sun.source.tree.ContinueTree;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -20,6 +22,11 @@ class SubscriptionBox<T extends FEvent>
     }
 
     public void tick() {
-        subscriptions.forEach(s -> s.getCallback().call(s.getEvent()));
+        subscriptions.forEach(s -> {
+            if (!s.event().shouldCall()) return;
+
+            s.callback().call(s.event());
+            s.event().reset();
+        });
     }
 }

Patchwork/src/main/java/me/totalfreedom/provider/ContextProvider.java

@@ -6,6 +6,7 @@ import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.Objects;
@@ -113,7 +114,7 @@ public class ContextProvider
         return new Location(toWorld(split[0]), toDouble(split[1]), toDouble(split[2]), toDouble(split[3]));
     }
 
-    private @Nullable Component toComponent(String string)
+    private @NotNull Component toComponent(String string)
     {
         return Component.text(string);
     }

Patchwork/src/main/java/me/totalfreedom/security/ban/Ban.java

@@ -0,0 +1,78 @@
+package me.totalfreedom.security.ban;
+
+import org.jetbrains.annotations.Nullable;
+
+import java.time.Instant;
+import java.util.UUID;
+
+/**
+ * Represents a physical ban entry. This is used to store information about a ban,
+ * such as the player who was banned, the reason for why they were banned, the individual who issued the ban,
+ * when the ban expires, and when the ban was created.
+ * <br>
+ * Ban information is stored in the Database with the {@link BanID} as the PRIMARY KEY.
+ */
+public interface Ban
+{
+    /**
+     * Gets the ID of this ban. This is an object which represents a string prefixed with either a T or a P,
+     * and suffixed with a 6-10 digit numerical code. This is used to identify the ban in the database, and for
+     * easier ban referencing.
+     *
+     * @return The ID of this ban.
+     */
+    BanID getBanID();
+
+    /**
+     * Gets the UUID of the player who was banned. This is formatted as a UUID
+     * which allows us to retrieve the particular player instance, if applicable, and also
+     * have a true identifier to check against user logins.
+     *
+     * @return The UUID of the player who was banned.
+     */
+    UUID getOffenderID();
+
+    /**
+     * Gets the reason that the player was banned for. Typically, the default reason is "You are banned!".
+     * We've forced implementations to require a reason, as it's important to know why a player was banned.
+     *
+     * @return The reason that the player was banned for.
+     */
+    String getReason();
+
+    /**
+     * Gets the username of the individual who issued the ban. This is not a reliable way to store data, but
+     * in our case, we should not need to interact with the ban issuer from the code. This is simply for
+     * reference purposes.
+     *
+     * @return The username of the individual who issued the ban.
+     */
+    String getBanIssuer();
+
+    /**
+     * Gets the {@link Instant} which this ban was created.
+     *
+     * @return The ban's creation time.
+     */
+    Instant getCreationTime();
+
+    /**
+     * Gets the {@link Instant} which this ban is due to expire, if applicable.
+     * This method is annotated as {@link Nullable}, as permanent bans do not have an expiry date.
+     *
+     * @return The ban's expiry time, or null if the ban is permanent.
+     */
+    @Nullable
+    Instant getExpiry();
+
+    /**
+     * Checks if the ban has expired. This will return false if:
+     * <ul>
+     *     <li>The {@link Instant} returned by {@link #getExpiry()} is null.</li>
+     *     <li>The {@link Instant} returned by {@link #getExpiry()} is after the current time.</li>
+     * </ul>
+     *
+     * @return True if the ban has expired, false otherwise.
+     */
+    boolean isExpired();
+}

Patchwork/src/main/java/me/totalfreedom/security/ban/BanID.java

@@ -0,0 +1,52 @@
+package me.totalfreedom.security.ban;
+
+/**
+ * Represents an ID for a ban. These are formatted either as:
+ * <p>
+ *     P-00129381
+ *     <br>
+ *     T-00128381
+ *     <br>
+ * </p>
+ * Where P marks a ban as permanent, and T marks a ban as temporary.
+ */
+public interface BanID
+{
+    /**
+     * This method returns the full Ban ID.
+     *
+     * @return The actual ID.
+     */
+    String getID();
+
+    /**
+     * This method returns the ban type denominator character for the Ban ID.
+     * This would either be T or P, where T = temporary and P = permanent.
+     *
+     * @return The ban type denominator character for the Ban ID.
+     */
+    char getIDPrefix();
+
+    /**
+     * Gets the numerical tag of this ban ID.
+     * This would be the numerical section of the full Ban ID.
+     *
+     * @return The numerical tag of this ban ID.
+     */
+    int getNumericalTag();
+
+    /**
+     * Checks the prefix of the Ban ID to see whether if it is permanent.
+     *
+     * @return true if the Ban ID is prefixed with a P, false otherwise.
+     */
+    boolean isPermanent();
+
+    default boolean matches(BanID other) {
+        if (other == null) {
+            return false;
+        }
+        return (getIDPrefix() == other.getIDPrefix())
+                && (getNumericalTag() == other.getNumericalTag());
+    }
+}

Patchwork/src/main/java/me/totalfreedom/security/perm/Group.java

@@ -1,4 +1,4 @@
-package me.totalfreedom.security;
+package me.totalfreedom.security.perm;
 
 import net.kyori.adventure.text.Component;
 

Patchwork/src/main/java/me/totalfreedom/security/perm/Node.java

@@ -1,4 +1,4 @@
-package me.totalfreedom.security;
+package me.totalfreedom.security.perm;
 
 import org.bukkit.permissions.Permission;
 

Patchwork/src/main/java/me/totalfreedom/security/perm/NodeBuilder.java

@@ -1,4 +1,4 @@
-package me.totalfreedom.security;
+package me.totalfreedom.security.perm;
 
 public interface NodeBuilder
 {

Patchwork/src/main/java/me/totalfreedom/security/perm/NodeType.java

@@ -1,4 +1,4 @@
-package me.totalfreedom.security;
+package me.totalfreedom.security.perm;
 
 public enum NodeType
 {

Patchwork/src/main/java/me/totalfreedom/security/perm/PermissionHolder.java

@@ -1,6 +1,5 @@
-package me.totalfreedom.security;
+package me.totalfreedom.security.perm;
 
-import org.bukkit.entity.Player;
 import org.bukkit.permissions.Permissible;
 
 import java.util.Set;

Patchwork/src/main/java/me/totalfreedom/user/User.java

@@ -1,6 +1,6 @@
 package me.totalfreedom.user;
 
-import me.totalfreedom.security.PermissionHolder;
+import me.totalfreedom.security.perm.PermissionHolder;
 import net.kyori.adventure.text.Component;
 
 public interface User extends PermissionHolder

Patchwork/src/main/java/me/totalfreedom/user/UserData.java

@@ -1,6 +1,6 @@
 package me.totalfreedom.user;
 
-import me.totalfreedom.security.Group;
+import me.totalfreedom.security.perm.Group;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 

Patchwork/src/main/java/me/totalfreedom/utils/MICheck.java

@@ -0,0 +1,14 @@
+package me.totalfreedom.utils;
+
+public class MICheck
+{
+    public double maintainabilityIndex(double fileLength, double vocabulary, double cyclomaticComplexity, double linesOfCode) {
+        double halsteadVolume = fileLength * (Math.log(vocabulary) / Math.log(2));
+        double maintainabilityIndexUnbounded = 171 - 5.2 * Math.log(halsteadVolume) - 0.23 * cyclomaticComplexity - 16.2 * Math.log(linesOfCode);
+        return Math.max(0, maintainabilityIndexUnbounded * 100 / 171);
+    }
+
+    public double complexity(double decisionPoints) {
+        return decisionPoints + 1;
+    }
+}