Java开发的仿牛客网社区源码.zip

package com.nowcoder.community.controller; import com.alibaba.fastjson.JSONObject; import com.nowcoder.community.entity.Message; import com.nowcoder.community.entity.Page; import com.nowcoder.community.entity.User; import com.nowcoder.community.service.MessageService; import com.nowcoder.community.service.UserService; import com.nowcoder.community.util.CommunityConstant; import com.nowcoder.community.util.CommunityUtil; import com.nowcoder.community.util.HostHolder; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.util.HtmlUtils; import java.util.*; /** * @author coolsen * @version 1.0.0 * @ClassName MessageController.java * @Description MessageController * @createTime 5/8/2020 8:13 PM */ @Controller public class MessageController implements CommunityConstant { @Autowired private MessageService messageService; @Autowired private HostHolder hostHolder; @Autowired private UserService userService; // 私信列表 @RequestMapping(path = "/letter/list", method = RequestMethod.GET) public String getLetterList(Model model, Page page) { User user = hostHolder.getUser(); // 分页信息 page.setLimit(5); page.setPath("/letter/list"); page.setRows(messageService.findConversationCount(user.getId())); // 会话列表 List<Message> conversationList = messageService.findConversations( user.getId(), page.getOffset(), page.getLimit()); List<Map<String, Object>> conversations = new ArrayList<>(); if (conversationList != null) { for (Message message : conversationList) { Map<String, Object> map = new HashMap<>(); map.put("conversation", message); map.put("letterCount", messageService.findLetterCount(message.getConversationId())); map.put("unreadCount", messageService.findLetterUnreadCount(user.getId(), message.getConversationId())); int targetId = user.getId() == message.getFromId() ? message.getToId() : message.getFromId(); map.put("target", userService.findUserById(targetId)); conversations.add(map); } } model.addAttribute("conversations", conversations); // 查询未读消息数量 int letterUnreadCount = messageService.findLetterUnreadCount(user.getId(), null); model.addAttribute("letterUnreadCount", letterUnreadCount); return "/site/letter"; } /** * @throws * @title 私信详情 * @description * @author coolsen * @updateTime 5/8/2020 8:17 PM */ @RequestMapping(path = "/letter/detail/{conversationId}", method = RequestMethod.GET) public String getLetterDetail(@PathVariable("conversationId") String conversationId, Page page, Model model) { // 分页信息 page.setLimit(5); page.setPath("/letter/detail/" + conversationId); page.setRows(messageService.findLetterCount(conversationId)); // 私信列表 List<Message> letterList = messageService.findLetters(conversationId, page.getOffset(), page.getLimit()); List<Map<String, Object>> letters = new ArrayList<>(); if (letterList != null) { for (Message message : letterList) { Map<String, Object> map = new HashMap<>(); map.put("letter", message); map.put("fromUser", userService.findUserById(message.getFromId())); letters.add(map); } } model.addAttribute("letters", letters); // 私信目标 model.addAttribute("target", getLetterTarget(conversationId)); // 设置已读 List<Integer> ids = getLetterIds(letterList); if (!ids.isEmpty()) { messageService.readMessage(ids); } return "/site/letter-detail"; } /** * @throws * @title * @description 获取私信发送目标用户 * @author coolsen * @updateTime 5/8/2020 8:20 PM */ private User getLetterTarget(String conversationId) { String[] ids = conversationId.split("_"); int id0 = Integer.parseInt(ids[0]); int id1 = Integer.parseInt(ids[1]); if (hostHolder.getUser().getId() == id0) { return userService.findUserById(id1); } else { return userService.findUserById(id0); } } /** * @throws * @title * @description 获取未读的私信列表 * @author coolsen * @updateTime 5/8/2020 8:33 PM */ private List<Integer> getLetterIds(List<Message> letterList) { List<Integer> ids = new ArrayList<>(); if (letterList != null) { for (Message message : letterList) { if (hostHolder.getUser().getId() == message.getToId() && message.getStatus() == 0) { ids.add(message.getId()); } } } return ids; } @RequestMapping(path = "/letter/send", method = RequestMethod.POST) @ResponseBody public String sendLetter(String toName, String content) { User target = userService.findUserByName(toName); if (target == null) { return CommunityUtil.getJSONString(1, "目标用户不存在!"); } Message message = new Message(); message.setFromId(hostHolder.getUser().getId()); message.setToId(target.getId()); if (message.getFromId() < message.getToId()) { message.setConversationId(message.getFromId() + "_" + message.getToId()); } else { message.setConversationId(message.getToId() + "_" + message.getFromId()); } message.setContent(content); message.setCreateTime(new Date()); messageService.addMessage(message); return CommunityUtil.getJSONString(0); } // 通知列表,指系统发送的通知 @RequestMapping(path = "/notice/list", method = RequestMethod.GET) public String getNoticeList(Model model) { User user = hostHolder.getUser(); // 查询评论类通知 Message message = messageService.findLatestNotice(user.getId(), TOPIC_COMMENT); if (message != null) { Map<String, Object> messageVO = new HashMap<>(); messageVO.put("message", message); // 将转义字符还原回去 String content = HtmlUtils.htmlUnescape(message.getContent()); // 还原为map Map<String, Object> data = JSONObject.parseObject(content, HashMap.class); messageVO.put("user", userService.findUserById((Integer) data.get("userId"))); messageVO.put("entityType", data.get("entityType")); messageVO.put("entityId", data.get("entityId")); messageVO.put("postId", data.get("postId")); int count = messageService.findNoticeCount(user.getId(), TOPIC_COMMENT); messageVO.put("count", count); int unread = messageService.findNoticeUnreadCount(user.getId(), TOPIC_COMMENT); messageVO.put("unread", unread); model.addAttribute("commentNotice", messageVO); } // 查询点赞类通知 message = messageService.findLatestNotice(user.getId(), TOPIC_LIKE); if (message != null) { Map<String, Object> messageVO = new HashMap<>(); messageVO.put("message", message); String content = HtmlUtils.htmlUnescape(message.getContent()); Map<String, Object> data = JSONObject.parseObject(content, Ha