package com.ourlinc.helloworld.service.impl;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import com.ourlinc.helloworld.DataSource;
import com.ourlinc.helloworld.model.Activity;
import com.ourlinc.helloworld.model.Comment;
import com.ourlinc.helloworld.model.User;
import com.ourlinc.helloworld.service.ActivityService;
import com.ourlinc.helloworld.service.UserService;
import com.ourlinc.omni.persistence.Persistence;
import com.ourlinc.omni.persistence.Persister;
import com.ourlinc.omni.persistence.PersisterStorage;
import com.ourlinc.omni.search.Searcher;
import com.ourlinc.swift.util.ResultPage;
/**
* 活动模块接口实现
*
* @author lipeiying
*
*/
public class ActivityServiceImpl implements ActivityService {
final DataSource m_DataSource; // 数据源
final ActivityPodiImpl m_Podi;
UserService m_userService;
public ActivityServiceImpl(DataSource ds) {
m_DataSource = ds;
m_Podi = new ActivityPodiImpl();
}
public void setUserService(UserService userService) {
m_userService = userService;
}
// 内部类实现ActivityPodi
class ActivityPodiImpl implements ActivityPodi {
final PersisterStorage<Activity> psAct;
final PersisterStorage<Comment> psCom;
ActivityPodiImpl() {
psAct = m_DataSource.newPersister(Activity.class, this);
psCom = m_DataSource.newPersister(Comment.class, this);
}
public Searcher getSearcher() {
return null;
}
@SuppressWarnings("unchecked")
public <E extends Persistence> Persister<E> getPersister(
Class<E> classOf) {
if (Activity.class == classOf) {
return (Persister<E>) psAct;
} else if (Comment.class == classOf) {
return (Persister<E>) psCom;
}
return m_DataSource.getPersister(classOf);
}
public User getUserById(String id) {
return m_userService.getUser(id);
}
public Comment postComment(Activity activity, User user, String content) {
return new Comment(m_Podi, activity, user, content);
}
}
public Activity addActivity(String title, Date time, String place,
String content, Date startDate, Date overDate, String note) {
return new Activity(m_Podi, title, time, place, content, startDate,
overDate, note);
}
public Activity getActivity(String actId) {
return m_Podi.psAct.get(actId);
}
public ResultPage<Activity> listAfter() {
List<Activity> result = new ArrayList<Activity>();
ResultPage<Activity> rp = m_Podi.psAct.startsWith(null);
rp.setPageSize(128);
while (rp.gotoPage(rp.getPage() + 1)) {
while (rp.hasNext()) {
Activity act = rp.next();
if (new Date().after(act.getTime())) {
result.add(act);
}
}
}
Collections.sort(result);
return ResultPage.OnList.wrap(result);
}
public ResultPage<Activity> listBefore() {
List<Activity> result = new ArrayList<Activity>();
ResultPage<Activity> rp = m_Podi.psAct.startsWith(null);
rp.setPageSize(128);
Date now = new Date();
while (rp.gotoPage(rp.getPage() + 1)) {
while (rp.hasNext()) {
Activity act = rp.next();
if (now.before(act.getTime())
&& Activity.STATUS_AVAILIABLE == act.getStatus()) {
result.add(act);
}
}
}
Collections.sort(result);
return ResultPage.OnList.wrap(result);
}
public ResultPage<Activity> listCancel() {
List<Activity> result = new ArrayList<Activity>();
ResultPage<Activity> rp = m_Podi.psAct.startsWith(null);
rp.setPageSize(128);
while (rp.gotoPage(rp.getPage() + 1)) {
while (rp.hasNext()) {
Activity act = rp.next();
if (Activity.STATUS_CANCEL == act.getStatus()
&& new Date().before(act.getTime())) {
result.add(act);
}
}
}
Collections.sort(result);
return ResultPage.OnList.wrap(result);
}
public ResultPage<Comment> listComment(String activityId) {
if (null == activityId) {
throw new NullPointerException("listComment方法的参数不能空");
}
List<Comment> result = new ArrayList<Comment>();
ResultPage<Comment> rp = m_Podi.psCom.startsWith(null);
rp.setPageSize(128);
while (rp.gotoPage(rp.getPage() + 1)) {
while (rp.hasNext()) {
Comment com = rp.next();
if (activityId.equals(com.getActivityId())
&& Comment.AVAILABLE == com.getStatus()) {
result.add(com);
}
}
}
return ResultPage.OnList.wrap(result);
}
public Comment getComment(String comId) {
return m_Podi.psCom.get(comId);
}
public ResultPage<Activity> searchActivity(String title, int year, int month) {
List<Activity> result = new ArrayList<Activity>();
ResultPage<Activity> rp = m_Podi.psAct.startsWith(null);
rp.setPageSize(128);
while (rp.gotoPage(rp.getPage() + 1)) {
while (rp.hasNext()) {
Activity act = rp.next();
if (act.getTitle().contains(title)
&& isContainsDate(act.getTime(), year, month)) {
result.add(act);
}
}
}
Collections.sort(result);
return ResultPage.OnList.wrap(result);
}
/**
* 判断date参数的年份和月份是否等于year,month,year和month等于0总是返回true，
* year等于0而month不等于0默认取今年年份,如果year不等于0而month等于0表示忽略月份
*
* @param date
* @param year
* @param month
* @return
*/
private boolean isContainsDate(Date date, int year, int month) {
if (null == date) {
return false;
}
if (0 == year && 0 == month) {
return true;
} else if (0 == year && 0 != month) {
Calendar c = Calendar.getInstance();
int thisYear = c.get(Calendar.YEAR);
Calendar cd = Calendar.getInstance();
cd.setTime(date);
int cdYear = cd.get(Calendar.YEAR);
int cdMonth = cd.get(Calendar.MONTH) + 1;
if (cdYear == thisYear && cdMonth == month) {
return true;
} else {
return false;
}
} else if (0 != year && 0 == month) {// 忽略月份
Calendar c = Calendar.getInstance();
c.setTime(date);
if (c.get(Calendar.YEAR) == year) {
return true;
} else {
return false;
}
} else {
Calendar c = Calendar.getInstance();
c.setTime(date);
if (c.get(Calendar.YEAR) == year
&& (c.get(Calendar.MONTH) + 1) == month) {
return true;
} else {
return false;
}
}
}
public ResultPage<Activity> listAll() {
List<Activity> result = new ArrayList<Activity>();
ResultPage<Activity> rp = m_Podi.psAct.startsWith(null);
rp.setPageSize(128);
while (rp.gotoPage(rp.getPage() + 1)) {
while (rp.hasNext()) {
Activity act = rp.next();
result.add(act);
}
}
return ResultPage.OnList.wrap(result);
}
public void deleteActivity(String actId) {
m_Podi.psAct.remove(actId);
}
}