add time command to retrieve current time on server (#120)

Signed-off-by: Spolti <[email protected]>

Author: spolti

rebot-telegram-api/rebot-telegram-api/src/main/java/xyz/rebasing/rebot/telegram/api/internal/commands/TimeCommand.java

@@ -0,0 +1,60 @@
+package xyz.rebasing.rebot.telegram.api.internal.commands;
+
+import java.lang.invoke.MethodHandles;
+import java.time.ZonedDateTime;
+import java.util.Optional;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+
+import org.jboss.logging.Logger;
+import xyz.rebasing.rebot.api.conf.BotConfig;
+import xyz.rebasing.rebot.api.domain.MessageUpdate;
+import xyz.rebasing.rebot.api.i18n.I18nHelper;
+import xyz.rebasing.rebot.api.spi.administrative.AdministrativeCommandProvider;
+
+@ApplicationScoped
+public class TimeCommand implements AdministrativeCommandProvider {
+
+    private final Logger log = Logger.getLogger(MethodHandles.lookup().lookupClass().getName());
+
+    @Inject
+    BotConfig config;
+
+    @Override
+    public void load() {
+        log.debugv("Enabling administrative command {0}", this.name());
+    }
+
+    @Override
+    public Object execute(Optional<String> key, MessageUpdate messageUpdate, String locale) {
+        StringBuilder response = new StringBuilder();
+        response.append("<b>Current time/date:</b> <code>" + ZonedDateTime.now() + "</code>");
+        return response.toString();
+    }
+
+    @Override
+    public String name() {
+        return "/time";
+    }
+
+    @Override
+    public String help(String locale) {
+        return this.name() + " " + this.description(locale);
+    }
+
+    @Override
+    public String description(String locale) {
+        return I18nHelper.resource("Administrative", locale, "time.command.description");
+    }
+
+    @Override
+    public boolean deleteMessage() {
+        return config.deleteMessages();
+    }
+
+    @Override
+    public long deleteMessageTimeout() {
+        return config.deleteMessagesAfter();
+    }
+}

rebot-telegram-api/rebot-telegram-api/src/main/resources/Administrative_en_US.properties

@@ -56,4 +56,8 @@ internal.help.response=\n<command> help: returns the command's help. \
   \n<command> disable: disable the current plugin/command in the given chat.
 
 
+# time command
+time.command.description=returns the current time in the current timezone
+
+
 required.parameter=Parameter is required

rebot-telegram-api/rebot-telegram-api/src/main/resources/Administrative_pt_BR.properties

@@ -54,4 +54,8 @@ list.command.no.items.found=Nenhum ítem encontrado.
 internal.help.response=\n<comando> ajuda: retorna a ajuda do comando.
 
 
+# time command
+time.command.description=retorna a hora atual no fuso-horário corrente.
+
+
 required.parameter=Parâmetro obrigatório