Add commands info to /ess dump (#4965)

See #4961 and EssentialsX/Website#71.

Adds `commands.yml`, the known command map and `AlternativeCommandHandler` handover information to `/ess dump`.

Co-authored-by: MD <1917406+mdcfe@users.noreply.github.com>

Essentials/src/main/java/com/earth2me/essentials/commands/Commandessentials.java

@@ -6,6 +6,7 @@ import com.earth2me.essentials.User;
 import com.earth2me.essentials.UserMap;
 import com.earth2me.essentials.economy.EconomyLayer;
 import com.earth2me.essentials.economy.EconomyLayers;
+import com.earth2me.essentials.utils.CommandMapUtil;
 import com.earth2me.essentials.utils.DateUtil;
 import com.earth2me.essentials.utils.EnumUtil;
 import com.earth2me.essentials.utils.FloatUtil;
@@ -25,6 +26,7 @@ import org.bukkit.Location;
 import org.bukkit.Server;
 import org.bukkit.Sound;
 import org.bukkit.World;
+import org.bukkit.command.Command;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
@@ -42,6 +44,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -270,6 +273,9 @@ public class Commandessentials extends EssentialsCommand {
         final Plugin essDiscord = Bukkit.getPluginManager().getPlugin("EssentialsDiscord");
         final Plugin essSpawn = Bukkit.getPluginManager().getPlugin("EssentialsSpawn");
 
+        final Map<String, Command> knownCommandsCopy = new HashMap<>(ess.getKnownCommandsProvider().getKnownCommands());
+        final Map<String, String> disabledCommandsCopy = new HashMap<>(ess.getAlternativeCommandsHandler().disabledCommands());
+
         // Further operations will be heavy IO
         ess.runTaskAsynchronously(() -> {
             boolean config = false;
@@ -279,6 +285,7 @@ public class Commandessentials extends EssentialsCommand {
             boolean worth = false;
             boolean tpr = false;
             boolean spawns = false;
+            boolean commands = false;
             for (final String arg : args) {
                 if (arg.equals("*") || arg.equalsIgnoreCase("all")) {
                     config = true;
@@ -288,6 +295,7 @@ public class Commandessentials extends EssentialsCommand {
                     worth = true;
                     tpr = true;
                     spawns = true;
+                    commands = true;
                     break;
                 } else if (arg.equalsIgnoreCase("config")) {
                     config = true;
@@ -303,6 +311,8 @@ public class Commandessentials extends EssentialsCommand {
                     tpr = true;
                 } else if (arg.equalsIgnoreCase("spawns")) {
                     spawns = true;
+                } else if (arg.equalsIgnoreCase("commands")) {
+                    commands = true;
                 }
             }
 
@@ -366,6 +376,16 @@ public class Commandessentials extends EssentialsCommand {
                 }
             }
 
+            if (commands) {
+                try {
+                    files.add(new PasteUtil.PasteFile("commands.yml", new String(Files.readAllBytes(Paths.get("commands.yml")), StandardCharsets.UTF_8)));
+                    files.add(new PasteUtil.PasteFile("commandmap.json", CommandMapUtil.toJsonPretty(ess, knownCommandsCopy)));
+                    files.add(new PasteUtil.PasteFile("commandoverride.json", disabledCommandsCopy.toString()));
+                } catch (IOException e) {
+                    sender.sendMessage(tl("dumpErrorUpload", "commands.yml", e.getMessage()));
+                }
+            }
+
             final CompletableFuture<PasteUtil.PasteResult> future = PasteUtil.createPaste(files);
             future.thenAccept(result -> {
                 if (result != null) {
@@ -769,7 +789,7 @@ public class Commandessentials extends EssentialsCommand {
                 }
                 break;
             case "dump":
-                final List<String> list = Lists.newArrayList("config", "kits", "log", "discord", "worth", "tpr", "spawns", "all");
+                final List<String> list = Lists.newArrayList("config", "kits", "log", "discord", "worth", "tpr", "spawns", "commands", "all");
                 for (String arg : args) {
                     if (arg.equals("*") || arg.equalsIgnoreCase("all")) {
                         list.clear();

Essentials/src/main/java/com/earth2me/essentials/utils/CommandMapUtil.java

@@ -0,0 +1,70 @@
+package com.earth2me.essentials.utils;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import net.ess3.api.IEssentials;
+import org.bukkit.command.Command;
+import org.bukkit.command.FormattedCommandAlias;
+import org.bukkit.command.PluginCommand;
+import org.bukkit.command.defaults.BukkitCommand;
+import org.bukkit.plugin.Plugin;
+
+import java.util.Map;
+
+public final class CommandMapUtil {
+
+    private static final Gson GSON = new GsonBuilder()
+            .setPrettyPrinting()
+            .create();
+
+    private CommandMapUtil() {
+        throw new UnsupportedOperationException();
+    }
+
+    public static String toJsonPretty(IEssentials ess, Map<String, Command> knownCommandMap) {
+        final JsonObject json = toJson(ess, knownCommandMap);
+        return GSON.toJson(json);
+    }
+
+    public static JsonObject toJson(IEssentials ess, Map<String, Command> knownCommandMap) {
+        final JsonObject json = new JsonObject();
+        for (Map.Entry<String, Command> entry : knownCommandMap.entrySet()) {
+            json.add(entry.getKey(), toJson(ess, entry.getValue()));
+        }
+        return json;
+    }
+
+    public static JsonObject toJson(IEssentials ess, Command value) {
+        if (value == null) {
+            return null;
+        }
+
+        final JsonObject json = new JsonObject();
+        json.addProperty("name", value.getName());
+        json.addProperty("description", value.getDescription());
+        json.addProperty("type", value.getClass().getSimpleName());
+        json.addProperty("raw", value.toString());
+
+        if (value.getClass().getSimpleName().equals("VanillaCommandWrapper")) {
+            json.addProperty("source", "vanilla");
+        } else if (value.getClass().getName().contains("org.spigotmc")) {
+            json.addProperty("source", "spigot");
+        } else if (value instanceof PluginCommand) {
+            final Plugin plugin = ((PluginCommand) value).getPlugin();
+            json.addProperty("source", plugin.getName() + " " + plugin.getDescription().getVersion());
+        } else if (value instanceof BukkitCommand) {
+            json.addProperty("source", "bukkit");
+        } else if (value instanceof FormattedCommandAlias) {
+            json.addProperty("source", "commands.yml");
+            final JsonArray formatStrings = new JsonArray();
+            for (String entry : ess.getFormattedCommandAliasProvider().getFormatStrings((FormattedCommandAlias) value)) {
+                formatStrings.add(entry);
+            }
+            json.add("bukkit_aliases", formatStrings);
+        }
+        return json;
+    }
+
+}