99 lines
3.4 KiB
Java
99 lines
3.4 KiB
Java
package ru.ulstu.utils.timetable;
|
|
|
|
import com.fasterxml.jackson.databind.ObjectMapper;
|
|
import org.springframework.web.client.RestClientException;
|
|
import org.springframework.web.client.RestTemplate;
|
|
import ru.ulstu.core.util.DateUtils;
|
|
import ru.ulstu.utils.timetable.errors.TimetableClientException;
|
|
import ru.ulstu.utils.timetable.model.Lesson;
|
|
import ru.ulstu.utils.timetable.model.TimetableResponse;
|
|
|
|
import java.text.ParseException;
|
|
import java.text.SimpleDateFormat;
|
|
import java.util.Calendar;
|
|
import java.util.Date;
|
|
import java.util.List;
|
|
|
|
public class TimetableService {
|
|
private static final String TIMETABLE_URL = "http://timetable.athene.tech/api/1.0/timetable?filter=%s";
|
|
private SimpleDateFormat lessonTimeFormat = new SimpleDateFormat("hh:mm");
|
|
|
|
private long[] lessonsStarts = new long[]{
|
|
lessonTimeFormat.parse("8:00:00").getTime(),
|
|
lessonTimeFormat.parse("9:40:00").getTime(),
|
|
lessonTimeFormat.parse("11:30:00").getTime(),
|
|
lessonTimeFormat.parse("13:10:00").getTime(),
|
|
lessonTimeFormat.parse("14:50:00").getTime(),
|
|
lessonTimeFormat.parse("16:30:00").getTime(),
|
|
lessonTimeFormat.parse("18:10:00").getTime(),
|
|
};
|
|
|
|
public TimetableService() throws ParseException {
|
|
}
|
|
|
|
private int getCurrentDay() {
|
|
Calendar calendar = Calendar.getInstance();
|
|
int day = calendar.get(Calendar.DAY_OF_WEEK);
|
|
return (day + 5) % 7;
|
|
}
|
|
|
|
private int getCurrentLessonNumber() {
|
|
long lessonDuration = 90 * 60000;
|
|
Date now = new Date();
|
|
long timeNow = now.getTime() % (24 * 60 * 60 * 1000L);
|
|
|
|
for (int i = 0; i < lessonsStarts.length; i++) {
|
|
if (timeNow > lessonsStarts[i] && timeNow < lessonsStarts[i] + lessonDuration) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
private int getCurrentWeek() {
|
|
Date currentDate = Calendar.getInstance().getTime();
|
|
currentDate = DateUtils.clearTime(currentDate);
|
|
|
|
Calendar firstJan = Calendar.getInstance();
|
|
firstJan.set(Calendar.MONTH, 0);
|
|
firstJan.set(Calendar.DAY_OF_MONTH, 1);
|
|
|
|
return (int) Math.round(Math.ceil((((currentDate.getTime() - firstJan.getTime().getTime()) / 86400000)
|
|
+ DateUtils.addDays(firstJan.getTime(), 1).getTime() / 7) % 2));
|
|
}
|
|
|
|
private TimetableResponse getTimetableForUser(String userFIO) throws RestClientException {
|
|
RestTemplate restTemplate = new RestTemplate();
|
|
return restTemplate.getForObject(String.format(TIMETABLE_URL, userFIO), TimetableResponse.class);
|
|
}
|
|
|
|
public Lesson getCurrentLesson(String userFio) {
|
|
TimetableResponse response;
|
|
try {
|
|
response = getTimetableForUser(userFio);
|
|
} catch (RestClientException e) {
|
|
e.printStackTrace();
|
|
throw new TimetableClientException(userFio);
|
|
}
|
|
|
|
int lessonNumber = getCurrentLessonNumber();
|
|
if (lessonNumber < 0) {
|
|
return null;
|
|
}
|
|
|
|
List<Lesson> lessons = response
|
|
.getResponse()
|
|
.getWeeks()
|
|
.get(getCurrentWeek())
|
|
.getDays()
|
|
.get(getCurrentDay())
|
|
.getLessons()
|
|
.get(lessonNumber);
|
|
|
|
if (lessons.size() == 0) {
|
|
return null;
|
|
}
|
|
return new ObjectMapper().convertValue(lessons.get(0), Lesson.class);
|
|
}
|
|
}
|