Fix issue where numbers were sometimes parsed as usernames when they shouldn't be. This commit also fixes an issue where "Not a valid plot ID" was sent twice.

Bukkit/pom.xml

@@ -21,7 +21,7 @@
     <dependency>
       <groupId>com.plotsquared</groupId>
       <artifactId>PlotSquared-Core</artifactId>
-      <version>5.12.0</version>
+      <version>5.12.2</version>
       <scope>compile</scope>
     </dependency>
     <dependency>

Core/src/main/java/com/plotsquared/core/command/Visit.java

@@ -40,6 +40,7 @@ import com.plotsquared.core.util.query.PlotQuery;
 import com.plotsquared.core.util.query.SortingStrategy;
 import com.plotsquared.core.util.task.RunnableVal2;
 import com.plotsquared.core.util.task.RunnableVal3;
+import com.plotsquared.core.uuid.UUIDMapping;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Collection;
@@ -193,7 +194,18 @@ public class Visit extends Command {
             case 1:
                 final String[] finalArgs = args;
                 int finalPage = page;
-                if (args[0].length() >= 2 && !args[0].contains(";") && !args[0].contains(",")) {
+                // Try to determine whether the given argument is a username
+                // or an ordinal
+                boolean isNumber = false;
+                if (args[0].length() < 2) {
+                    isNumber = true;
+                } else if (args[0].length() <= 4 && MathMan.isInteger(args[0])) {
+                    // Check if it's an all-digit username that is stored in cache
+                    final UUIDMapping mapping = PlotSquared.get().getImpromptuUUIDPipeline().getImmediately(args[0]);
+                    // If no UUID could be found, then we assume it's a number and not a username
+                    isNumber = mapping == null;
+                }
+                if (!isNumber && args[0].length() >= 2 && !args[0].contains(";") && !args[0].contains(",")) {
                     PlotSquared.get().getImpromptuUUIDPipeline().getSingle(args[0], (uuid, throwable) -> {
                         if (throwable instanceof TimeoutException) {
                             // The request timed out
@@ -240,9 +252,7 @@ public class Visit extends Command {
                     } else {
                         // Try to parse a plot
                         final Plot plot = MainUtil.getPlotFromString(player, finalArgs[0], true);
-                        if (plot == null) {
-                            MainUtil.sendMessage(player, Captions.NOT_VALID_PLOT_ID);
-                        } else {
+                        if (plot != null) {
                             this.visit(player, PlotQuery.newQuery().withPlot(plot), null, confirm, whenDone, 1);
                         }
                     }

Core/src/main/java/com/plotsquared/core/util/MainUtil.java

@@ -55,6 +55,7 @@ import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
 import java.io.IOException;
@@ -515,7 +516,7 @@ public class MainUtil {
      * @param message If a message should be sent to the player if a plot cannot be found
      * @return The plot if only 1 result is found, or null
      */
-    public static Plot getPlotFromString(PlotPlayer player, String arg, boolean message) {
+    @Nullable public static Plot getPlotFromString(PlotPlayer player, String arg, boolean message) {
         if (arg == null) {
             if (player == null) {
                 if (message) {

Core/src/main/java/com/plotsquared/core/uuid/CacheUUIDService.java

@@ -28,9 +28,11 @@ package com.plotsquared.core.uuid;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
 import java.util.function.Consumer;
@@ -81,4 +83,20 @@ public class CacheUUIDService implements UUIDService, Consumer<List<UUIDMapping>
     @Override public boolean canBeSynchronous() {
         return true;
     }
+
+    @Override @Nullable public UUIDMapping getImmediately(@NotNull final Object object) {
+        final List<UUIDMapping> list;
+        if (object instanceof String) {
+            list = getUUIDs(Collections.singletonList((String) object));
+        } else if (object instanceof UUID) {
+            list = getNames(Collections.singletonList((UUID) object));
+        } else {
+            list = Collections.emptyList();
+        }
+        if (list.isEmpty()) {
+            return null;
+        }
+        return list.get(0);
+    }
+
 }

Core/src/main/java/com/plotsquared/core/uuid/UUIDPipeline.java

@@ -405,4 +405,20 @@ public class UUIDPipeline {
         return mappings;
     }
 
+    /**
+     * Get a single UUID mapping immediately, if possible
+     *
+     * @param object Username ({@link String}) or {@link UUID}
+     * @return Mapping, if it could be found immediately
+     */
+    @Nullable public final UUIDMapping getImmediately(@NotNull final Object object) {
+        for (final UUIDService uuidService : this.getServiceListInstance()) {
+            final UUIDMapping mapping = uuidService.getImmediately(object);
+            if (mapping != null) {
+                return mapping;
+            }
+        }
+        return null;
+    }
+
 }

Core/src/main/java/com/plotsquared/core/uuid/UUIDService.java

@@ -26,6 +26,7 @@
 package com.plotsquared.core.uuid;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Collection;
 import java.util.Collections;
@@ -75,4 +76,14 @@ public interface UUIDService {
         return false;
     }
 
+    /**
+     * Get a single UUID mapping immediately, if possible
+     *
+     * @param object Username ({@link String}) or {@link UUID}
+     * @return Mapping, if it could be found immediately
+     */
+    default @Nullable UUIDMapping getImmediately(@NotNull final Object object) {
+        return null;
+    }
+
 }

build.gradle

@@ -30,7 +30,7 @@ ext {
     git = Grgit.open(dir: new File(rootDir.toString() + "/.git"))
 }
 
-def ver = "5.12.1"
+def ver = "5.12.2"
 def versuffix = ""
 ext {
     if (project.hasProperty("versionsuffix")) {