KebiaoDataHelper.java

package com.myqsc.mobile2.curriculum.uti;

import android.app.Application;
import android.content.Context;
import android.widget.Toast;

import com.myqsc.mobile2.MyBaseApplication;
import com.myqsc.mobile2.network.DataUpdater;
import com.myqsc.mobile2.uti.LogHelper;
import com.myqsc.mobile2.uti.Utility;
import com.myqsc.mobile2.xiaoli.uti.XiaoliHelper;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

/**
 * Created by richard on 13-8-29.
 */
public class KebiaoDataHelper {
    Context mContext = null;
    List<KebiaoClassData> kebiaoList = null;
    List<KebiaoClassData> todayKebiaolist = null;
    int whichDay = 0;
    XiaoliHelper xiaoliHelper = null;

    public KebiaoDataHelper(Context context) {
        this.mContext = context;
        String string = mContext.getSharedPreferences(Utility.PREFERENCE, 0)
                .getString(DataUpdater.JW_KEBIAO, null);
        if (string == null)
            kebiaoList = new ArrayList<KebiaoClassData>();
        else
            kebiaoList = parse(string);
    }

    public List<KebiaoClassData> parse(String string) {
        List<KebiaoClassData> list = new ArrayList<KebiaoClassData>();
        try {
            JSONArray jsonArray = new JSONArray(string);
            for (int i = 0; i != jsonArray.length(); ++i) {
                JSONObject jsonObject = jsonArray.optJSONObject(i);
                String rawYear = jsonObject.getString("year");
                int year = Integer.valueOf(rawYear.substring(0, 4));

                List<KebiaoClassData> temp = KebiaoClassData.parseYear(jsonObject.getJSONArray("data"), year);
                for (int j = 0; j != temp.size(); ++j)
                    list.add(temp.get(j));
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return list;
    }

    public List<KebiaoClassData> getDay(final Calendar calendar) {
        if (whichDay != calendar.get(Calendar.DAY_OF_YEAR) || todayKebiaolist == null){
            todayKebiaolist = getTodayKebiao(kebiaoList, calendar);
            whichDay = calendar.get(Calendar.DAY_OF_YEAR);
        }
        return todayKebiaolist;
    }

    /**
     * 获取当前学期的课表
     * @param calendar
     * @return
     */
    public List<KebiaoClassData> getTerm(final Calendar calendar) {
        List<KebiaoClassData> list = new ArrayList<KebiaoClassData>();
        if (xiaoliHelper == null)
            xiaoliHelper = new XiaoliHelper(mContext);

        int year = xiaoliHelper.getYear(calendar, false);
        char term = xiaoliHelper.getTerm(calendar, false);

        outer:
        for (KebiaoClassData kebiaoClassData : kebiaoList) {
            if (kebiaoClassData.year != year)
                continue;
            if (kebiaoClassData.term.indexOf(term) == -1) {
                continue;
            }
            for (KebiaoClassData data : list) {
                //如果已经有了这门课的hash就只显示一遍
                if (data.hash.equals(kebiaoClassData.hash))
                    continue outer;
            }
            list.add(kebiaoClassData);
        }
        return list;
    }


    private List<KebiaoClassData> getTodayKebiao(List<KebiaoClassData> allKebiaoList, Calendar calendar) {
        List<KebiaoClassData> list = new ArrayList<KebiaoClassData>();
        if (xiaoliHelper == null)
            xiaoliHelper = new XiaoliHelper(mContext);

        int origin = calendar.get(Calendar.DAY_OF_YEAR);
        calendar = xiaoliHelper.doRemap(calendar);
        if (calendar.get(Calendar.DAY_OF_YEAR) != origin){
            //完成了映射，不需要判断假期了
            Toast.makeText(MyBaseApplication.getAppContext(),
                    "今天上 " + (calendar.get(Calendar.MONTH) + 1) + " 月 " +
                            calendar.get(Calendar.DAY_OF_MONTH) + " 日的课",
                    Toast.LENGTH_SHORT).show();
        } else {
            if (xiaoliHelper.checkHoliday(calendar) != null) {
                //判断是不是假期
                return list;
            }

            if (xiaoliHelper.checkExamWeek(calendar) != null) {
                //0判断是不是考试周
                return list;
            }
        }

        int week = xiaoliHelper.checkParity(calendar, false);
        char term = xiaoliHelper.getTerm(calendar, false);
        int year = xiaoliHelper.getYear(calendar, false);

        for (KebiaoClassData data : allKebiaoList) {
            if (data.year != year) {
                continue;
            }
            if (data.term.indexOf(term) == -1) {
                continue;
            }

            if (data.week != Utility.WEEK_BOTH && data.week != week) {
                continue;
            }

            int weekday = calendar.get(Calendar.DAY_OF_WEEK);
            if (weekday == 1)
                weekday = 8;
            --weekday;
            if (data.time != weekday)
                continue;

            LogHelper.d("today: " + data);
            list.add(data);
        }

        Collections.sort(list, new Comparator<KebiaoClassData>() {
            @Override
            public int compare(KebiaoClassData kebiaoClassData, KebiaoClassData kebiaoClassData2) {
                return kebiaoClassData.classes[0] - kebiaoClassData2.classes[0];
            }
        });
        return list;
    }
}