Add /lp check <user> <permission> command

common/src/main/java/me/lucko/luckperms/common/commands/CommandManager.java

@@ -33,6 +33,7 @@ import me.lucko.luckperms.common.commands.group.GroupMainCommand;
 import me.lucko.luckperms.common.commands.group.ListGroups;
 import me.lucko.luckperms.common.commands.log.LogMainCommand;
 import me.lucko.luckperms.common.commands.migration.MigrationMainCommand;
+import me.lucko.luckperms.common.commands.misc.CheckCommand;
 import me.lucko.luckperms.common.commands.misc.ExportCommand;
 import me.lucko.luckperms.common.commands.misc.ImportCommand;
 import me.lucko.luckperms.common.commands.misc.InfoCommand;
@@ -89,6 +90,7 @@ public class CommandManager {
                 .add(new InfoCommand())
                 .add(new VerboseCommand())
                 .add(new SearchCommand())
+                .add(new CheckCommand())
                 .add(new NetworkSyncCommand())
                 .add(new ImportCommand())
                 .add(new ExportCommand())

common/src/main/java/me/lucko/luckperms/common/commands/misc/CheckCommand.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.common.commands.misc;
+
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.common.LuckPermsPlugin;
+import me.lucko.luckperms.common.caching.UserCache;
+import me.lucko.luckperms.common.commands.Arg;
+import me.lucko.luckperms.common.commands.CommandException;
+import me.lucko.luckperms.common.commands.CommandResult;
+import me.lucko.luckperms.common.commands.SingleCommand;
+import me.lucko.luckperms.common.commands.sender.Sender;
+import me.lucko.luckperms.common.commands.utils.Util;
+import me.lucko.luckperms.common.constants.Message;
+import me.lucko.luckperms.common.constants.Permission;
+import me.lucko.luckperms.common.core.model.User;
+import me.lucko.luckperms.common.utils.Predicates;
+
+import java.util.List;
+import java.util.UUID;
+
+public class CheckCommand extends SingleCommand {
+    public CheckCommand() {
+        super("Check", "Perform a standard permission check on an online player",
+                "/%s search <user> <permission>", Permission.CHECK, Predicates.not(2),
+                Arg.list(
+                        Arg.create("user", true, "the user to check"),
+                        Arg.create("permission", true, "the permission to check for")
+                )
+        );
+    }
+
+    @Override
+    public CommandResult execute(LuckPermsPlugin plugin, Sender sender, List<String> args, String label) throws CommandException {
+        String target = args.get(0);
+        String permission = args.get(1);
+
+        User user;
+        UUID u = Util.parseUuid(target);
+        if (u != null) {
+            user = plugin.getUserManager().get(u);
+        } else {
+            user = plugin.getUserManager().getByUsername(target);
+        }
+
+        if (user == null) {
+            Message.USER_NOT_ONLINE.send(sender, target);
+            return CommandResult.STATE_ERROR;
+        }
+
+        UserCache data = user.getUserData();
+        if (data == null) {
+            Message.USER_NO_DATA.send(sender, user.getName());
+            return CommandResult.STATE_ERROR;
+        }
+
+        Tristate tristate = data.getPermissionData(plugin.getContextForUser(user)).getPermissionValue(permission);
+        Message.CHECK_RESULT.send(sender, user.getName(), permission, Util.formatTristate(tristate));
+        return CommandResult.SUCCESS;
+    }
+}

common/src/main/java/me/lucko/luckperms/common/constants/Message.java

@@ -64,6 +64,8 @@ public enum Message {
      * Loading / Saving
      */
     USER_NOT_FOUND("&bUser could not be found.", true),
+    USER_NOT_ONLINE("&bUser &a{0}&b is not online.", true),
+    USER_NO_DATA("&bUser &a{0}&b does not have any data loaded.", true),
     USER_SAVE_SUCCESS("&7(User data was saved to storage)", true),
     USER_SAVE_ERROR("There was an error whilst saving the user.", true),
     USER_CREATE_FAIL("There was an error whilst creating a new user.", true),
@@ -106,6 +108,8 @@ public enum Message {
     SEARCH_SHOWING_USERS_WITH_PAGE("&bShowing user entries:  {0}", true),
     SEARCH_SHOWING_GROUPS_WITH_PAGE("&bShowing group entries:  {0}", true),
 
+    CHECK_RESULT("&aPermission check result for user &b{0}&a for permission &b{1}&a in current contexts: &f{2}", true),
+
     CREATE_SUCCESS("&b{0}&a was successfully created.", true),
     DELETE_SUCCESS("&b{0}&a was successfully deleted.", true),
     RENAME_SUCCESS("&b{0}&a was successfully renamed to &b{1}&a.", true),

common/src/main/java/me/lucko/luckperms/common/constants/Permission.java

@@ -37,8 +37,9 @@ public enum Permission {
 
     SYNC(list("sync"), Type.NONE),
     INFO(list("info"), Type.NONE),
-    SEARCH(list("search"), Type.NONE),
     VERBOSE(list("verbose"), Type.NONE),
+    SEARCH(list("search"), Type.NONE),
+    CHECK(list("check"), Type.NONE),
     IMPORT(list("import"), Type.NONE),
     EXPORT(list("export"), Type.NONE),
     RELOAD_CONFIG(list("reloadconfig"), Type.NONE),

default-lang.yml

@@ -25,6 +25,8 @@ does-not-have-temp-permission: "{0} does not have this permission set temporaril
 
 
 user-not-found: "&bUser could not be found."
+user-not-online: "&bUser &a{0}&b is not online."
+user-no-data: "&bUser &a{0}&b does not have any data loaded."
 user-save-success: "&7(User data was saved to storage)"
 user-save-error: "There was an error whilst saving the user."
 user-create-fail: "There was an error whilst creating a new user."
@@ -64,6 +66,8 @@ search-showing-groups: "&bShowing group entries:"
 search-showing-users-with-page: "&bShowing user entries:  {0}"
 search-showing-groups-with-page: "&bShowing group entries:  {0}"
 
+check-result: "&aPermission check result for user &b{0}&a for permission &b{1}&a in current contexts: &f{2}"
+
 create-success: "&b{0}&a was successfully created."
 delete-success: "&b{0}&a was successfully deleted."
 rename-success: "&b{0}&a was successfully renamed to &b{1}&a."