org.easit.core.controllers.twitter.TwitterMessageController.java Source code

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/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.easit.core.controllers.twitter;

import java.security.Principal;
import java.util.List;

import javax.inject.Inject;

import org.easit.dao.model.PSMetadata;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.social.MissingAuthorizationException;
import org.springframework.social.twitter.api.DirectMessage;
import org.springframework.social.twitter.api.Tweet;
import org.springframework.social.twitter.api.Twitter;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class TwitterMessageController {

    private static final Logger logger = LoggerFactory.getLogger(TwitterMessageController.class);

    private final Twitter twitter;

    @Inject
    public TwitterMessageController(Twitter twitter) {
        this.twitter = twitter;
    }

    @ExceptionHandler(MissingAuthorizationException.class)
    public String handleAuthorizationException(Principal currentUser) {
        return "redirect:/connect/twitter";
    }

    @RequestMapping(value = "/twitter/messages", method = RequestMethod.GET)
    public String inbox(Model model, String offset) throws Exception {
        int listSize = 0;
        int int_offset = 0;
        if (offset != null) {
            int_offset = Integer.valueOf(offset);
        }

        int fromIndex = int_offset;
        int toIndex = fromIndex + PSMetadata.TWITTER_LIMIT_RESULT;

        List<DirectMessage> messages = twitter.directMessageOperations().getDirectMessagesReceived();
        toIndex = Math.min(toIndex, messages.size());

        listSize = messages.size();
        model.addAttribute("directMessages", messages.subList(fromIndex, toIndex));
        model.addAttribute("dmListType", "Received");
        model.addAttribute("messageForm", new MessageForm());
        model.addAttribute("offset", int_offset);
        model.addAttribute("pageSize", listSize);
        return "twitter/messages";
    }

    @RequestMapping(value = "/twitter/messages/sent", method = RequestMethod.GET)
    public String sent(Model model, String offset) {
        int listSize = 0;
        int int_offset = 0;
        if (offset != null) {
            int_offset = Integer.valueOf(offset);
        }
        listSize = twitter.directMessageOperations().getDirectMessagesSent().size();
        model.addAttribute("directMessages", twitter.directMessageOperations().getDirectMessagesSent(int_offset,
                PSMetadata.TWITTER_LIMIT_RESULT));
        model.addAttribute("dmListType", "Sent");
        model.addAttribute("messageForm", new MessageForm());
        model.addAttribute("offset", int_offset);
        model.addAttribute("pageSize", listSize);
        return "twitter/messages";
    }

    // Send direct messages
    @RequestMapping(value = "/twitter/messages", method = RequestMethod.POST)
    public String sent(MessageForm message) {
        logger.info("message to: " + message.getTo());
        logger.info("text: " + message.getText());
        try {
            twitter.directMessageOperations().sendDirectMessage(message.getTo(), message.getText());
        } catch (Exception e) {
            logger.error(e.getMessage());
            e.printStackTrace();
        }
        return "redirect:/twitter/messages";
    }

}