QueryHandler.java

/*
Yaaic - Yet Another Android IRC Client

Copyright 2009-2013 Sebastian Kaspari

This file is part of Yaaic.

Yaaic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Yaaic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Yaaic.  If not, see <http://www.gnu.org/licenses/>.
 */
package indrora.atomic.command.handler;

import indrora.atomic.command.BaseHandler;
import indrora.atomic.exception.CommandException;
import indrora.atomic.irc.IRCService;
import indrora.atomic.model.Broadcast;
import indrora.atomic.model.Conversation;
import indrora.atomic.model.Query;
import indrora.atomic.model.Server;

import indrora.atomic.R;

import android.content.Context;
import android.content.Intent;

/**
 * Command: /query <nickname>
 * <p/>
 * Opens a private chat with the given user
 *
 * @author Sebastian Kaspari <sebastian@yaaic.org>
 */
public class QueryHandler extends BaseHandler {
  /**
   * Execute /query
   */
  @Override
  public void execute(String[] params, Server server, Conversation conversation, IRCService service) throws CommandException {
    if( params.length == 2 ) {
      // Simple validation
      if( params[1].startsWith("#") ) {
        throw new CommandException(service.getString(R.string.query_to_channel));
      }

      Conversation query = server.getConversation(params[1]);

      if( query != null ) {
        throw new CommandException(service.getString(R.string.query_exists));
      }

      query = new Query(params[1]);
      query.setHistorySize(service.getSettings().getHistorySize());
      server.addConversation(query);

      Intent intent = Broadcast.createConversationIntent(
          Broadcast.CONVERSATION_NEW,
          server.getId(),
          query.getName()
      );
      service.sendBroadcast(intent);
    } else {
      throw new CommandException(service.getString(R.string.invalid_number_of_params));
    }
  }

  /**
   * Usage of /query
   */
  @Override
  public String getUsage() {
    return "/query <nickname>";
  }

  /**
   * Description of /query
   */
  @Override
  public String getDescription(Context context) {
    return context.getString(R.string.command_desc_query);
  }
}