Added AdminBlueprintDeleteCommand

Implements https://github.com/BentoBoxWorld/BentoBox/issues/1048

Also added BlueprintsManager#deleteBlueprint(GameModeAddon, String)
Fixed a code smell in AdminBlueprintSaveCommand

src/main/java/world/bentobox/bentobox/api/commands/admin/blueprints/AdminBlueprintCommand.java

@@ -46,6 +46,7 @@ public class AdminBlueprintCommand extends ConfirmableCommand {
         new AdminBlueprintOriginCommand(this);
         new AdminBlueprintCopyCommand(this);
         new AdminBlueprintSaveCommand(this);
+        new AdminBlueprintDeleteCommand(this);
         new AdminBlueprintPos1Command(this);
         new AdminBlueprintPos2Command(this);
         new AdminBlueprintListCommand(this);

src/main/java/world/bentobox/bentobox/api/commands/admin/blueprints/AdminBlueprintDeleteCommand.java

@@ -0,0 +1,55 @@
+package world.bentobox.bentobox.api.commands.admin.blueprints;
+
+import world.bentobox.bentobox.api.commands.ConfirmableCommand;
+import world.bentobox.bentobox.api.localization.TextVariables;
+import world.bentobox.bentobox.api.user.User;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Optional;
+
+/**
+ * Command that deletes a Blueprint.
+ * @author Poslovitch
+ * @since 1.9.0
+ */
+public class AdminBlueprintDeleteCommand extends ConfirmableCommand {
+
+    public AdminBlueprintDeleteCommand(AdminBlueprintCommand parent) {
+        super(parent, "delete", "remove");
+    }
+
+    @Override
+    public void setup() {
+        setParametersHelp("commands.admin.blueprint.delete.parameters");
+        setDescription("commands.admin.blueprint.delete.description");
+    }
+
+    @Override
+    public boolean execute(User user, String label, List<String> args) {
+        if (args.size() != 1) {
+            showHelp(this, user);
+            return false;
+        }
+
+        String blueprintName = args.get(0).toLowerCase(Locale.ENGLISH);
+
+        // Check if blueprint exist
+        if (getPlugin().getBlueprintsManager().getBlueprints(getAddon()).containsKey(blueprintName)) {
+            askConfirmation(user, user.getTranslation("commands.admin.blueprint.delete.confirmation"), () -> {
+                getPlugin().getBlueprintsManager().deleteBlueprint(getAddon(), blueprintName);
+                user.sendMessage("commands.admin.blueprint.delete.success", TextVariables.NAME, blueprintName);
+            });
+            return true;
+        } else {
+            user.sendMessage("commands.admin.blueprint.delete.no-blueprint", TextVariables.NAME, blueprintName);
+            return false;
+        }
+    }
+
+    @Override
+    public Optional<List<String>> tabComplete(User user, String alias, List<String> args) {
+        return Optional.of(new LinkedList<>(getPlugin().getBlueprintsManager().getBlueprints(getAddon()).keySet()));
+    }
+}

src/main/java/world/bentobox/bentobox/api/commands/admin/blueprints/AdminBlueprintSaveCommand.java

@@ -56,7 +56,7 @@ public class AdminBlueprintSaveCommand extends ConfirmableCommand {
         parent.hideClipboard(user);
         boolean result = new BlueprintClipboardManager(getPlugin(), parent.getBlueprintsFolder(), clipboard).save(user, name);
         if (result) {
-            getPlugin().getBlueprintsManager().addBlueprint((GameModeAddon)getAddon(), clipboard.getBlueprint());
+            getPlugin().getBlueprintsManager().addBlueprint(getAddon(), clipboard.getBlueprint());
         }
         return result;
     }

src/main/java/world/bentobox/bentobox/managers/BlueprintsManager.java

@@ -392,6 +392,28 @@ public class BlueprintsManager {
         return blueprints.get(addon).stream().collect(Collectors.toMap(Blueprint::getName, b -> b));
     }
 
+    /**
+     * Unregisters the Blueprint from the manager and deletes the file.
+     * @param addon game mode addon
+     * @param name name of the Blueprint to delete
+     * @since 1.9.0
+     */
+    public void deleteBlueprint(GameModeAddon addon, String name) {
+        List<Blueprint> addonBlueprints = blueprints.get(addon);
+        addonBlueprints.stream().filter(b -> b.getName().equals(name)).forEach(b -> {
+            addonBlueprints.remove(b);
+            blueprints.put(addon, addonBlueprints);
+
+            File file = new File(getBlueprintsFolder(addon), name + BLUEPRINT_SUFFIX);
+            // Delete the file
+            try {
+                Files.deleteIfExists(file.toPath());
+            } catch (IOException e) {
+                plugin.logError("Could not delete Blueprint " + e.getLocalizedMessage());
+            }
+        });
+    }
+
     /**
      * Paste the islands to world
      *

src/main/resources/locales/en-US.yml

@@ -255,6 +255,14 @@ commands:
       copy:
         parameters: "[air]"
         description: "copy the clipboard set by pos1 and pos2 and optionally the air blocks"
+      delete:
+        parameters: "<name>"
+        description: "delete the blueprint"
+        no-blueprint: "&b [name] &c does not exist."
+        confirmation: |
+          &c Are you sure you want to delete this blueprint?
+          &c Once deleted, there is no way to recover it.
+        success: "&a Successfully deleted blueprint &b [name]&a ."
       load:
         parameters: "<name>"
         description: "load blueprint into the clipboard"