Added challenges reload admin command.

This reloads from the database files so admins can edit the challenges
and then reload them without restarting the server.

#27

src/main/java/bentobox/addon/challenges/commands/admin/Challenges.java

@@ -26,6 +26,7 @@ public void setup() {
         // Register sub commands
         new ImportCommand(getAddon(), this);
         new CompleteChallenge(getAddon(), this);
+        new ReloadChallenges(getAddon(), this);
         //new ShowChallenges(getAddon(), this);
         //new CreateChallenge(getAddon(), this);
 

src/main/java/bentobox/addon/challenges/commands/admin/ReloadChallenges.java

@@ -0,0 +1,43 @@
+package bentobox.addon.challenges.commands.admin;
+
+import java.util.List;
+
+import bentobox.addon.challenges.ChallengesAddon;
+import bentobox.addon.challenges.ChallengesManager;
+import world.bentobox.bentobox.api.addons.Addon;
+import world.bentobox.bentobox.api.commands.CompositeCommand;
+import world.bentobox.bentobox.api.user.User;
+
+public class ReloadChallenges extends CompositeCommand {
+
+    private ChallengesManager manager;
+
+    /**
+     * Admin command to complete user challenges
+     * @param parent
+     */
+    public ReloadChallenges(Addon addon, CompositeCommand parent) {
+        super(addon, parent, "reload");
+    }
+
+    @Override
+    public void setup() {
+        this.setPermission("admin.challenges");
+        this.setParametersHelp("challenges.admin.reload.parameters");
+        this.setDescription("challenges.admin.reload.description");
+        manager = ((ChallengesAddon)getAddon()).getChallengesManager();
+    }
+
+    @Override
+    public boolean execute(User user, String label, List<String> args) {
+        if (!args.isEmpty()) {
+            // Show help
+            showHelp(this, user);
+            return false;
+        }
+        manager.load();
+        user.sendMessage("general.success");
+        return true;
+    }
+
+}

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

@@ -59,6 +59,9 @@ challenges:
   admin:
     parameters: ""
     description: "challenges admin"
+    reload:
+      parameters: ""
+      description: "reload challenges from the database"
     import:
       parameters: "[overwrite]"
       description: "import challenges from challenges.yml"