org.openurp.edu.clazz.util.ScheduleDigestor Maven / Gradle / Ivy
/*
* OpenURP, Agile University Resource Planning Solution.
*
* Copyright © 2014, The OpenURP Software.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful.
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see activities) {
return digest(textResource, timeSetting, activities, defaultFormat);
}
/**
* 根据格式，获得教学任务里部分排课活动的文字信息
*
* @param textResource
* @param timeSetting
* @return
*/
public String digest(TextResource textResource, TimeSetting timeSetting,
Collection activities, String format) {
if (CollectUtils.isEmpty(activities)) return "";
if (Strings.isEmpty(format)) format = defaultFormat;
Clazz clazzx = activities.iterator().next().getClazz();
Semester semester = clazzx.getSemester();
Set teachers = CollectUtils.newHashSet();
boolean hasRoom = Strings.contains(format, room);
boolean hasTeacher = Strings.contains(format, "teacher");
if (hasTeacher) {
for (ClazzActivity ca : activities) {
if (CollectUtils.isNotEmpty(ca.getTeachers())) teachers.addAll(ca.getTeachers());
}
}
List mergedActivities = merge(semester, activities, hasTeacher, hasRoom);
// 是否添加老师
boolean addTeacher = false;
if (hasTeacher) {
addTeacher = true;
if (format.indexOf(singleTeacher) != -1 && teachers.size() != 1) {
addTeacher = false;
}
if (format.indexOf(moreThan1Teacher) != -1 && teachers.size() < 2) {
addTeacher = false;
}
if (format.indexOf(multiTeacher) != -1 && teachers.size() == 0) {
addTeacher = false;
}
}
StringBuffer CourseArrangeBuf = new StringBuffer();
Collections.sort(mergedActivities, new MultiPropertyComparator("clazz.course.code,time.startOn"));
// 合并后的教学活动
for (ClazzActivity activity : mergedActivities) {
CourseArrangeBuf.append(format);
int replaceStart = 0;
replaceStart = CourseArrangeBuf.indexOf(":teacher");
if (addTeacher) {
StringBuilder teacherStr = new StringBuilder("");
for (Teacher teacher : activity.getTeachers()) {
teacherStr.append(teacher.getName());
}
CourseArrangeBuf.replace(replaceStart, replaceStart + 9, teacherStr.toString());
} else if (-1 != replaceStart) {
CourseArrangeBuf.replace(replaceStart, replaceStart + 9, "");
}
replaceStart = CourseArrangeBuf.indexOf(day);
if (-1 != replaceStart) {
WeekDay weekday = activity.getTime().getWeekday();
if (null != textResource && textResource.getLocale().getLanguage().equals("en")) {
CourseArrangeBuf.replace(replaceStart, replaceStart + day.length(), weekday.getEnName() + ".");
} else {
CourseArrangeBuf.replace(replaceStart, replaceStart + day.length(), weekday.getName());
}
}
replaceStart = CourseArrangeBuf.indexOf(units);
if (-1 != replaceStart) {
Pair rs = timeSetting.getUnitLevel(activity.getTime().getBeginAt(), activity
.getTime().getEndAt());
CourseArrangeBuf.replace(replaceStart, replaceStart + units.length(),
rs.getLeft() + "-" + rs.getRight());
}
replaceStart = CourseArrangeBuf.indexOf(time);
if (-1 != replaceStart) {
// 如果教学活动中有具体时间
CourseArrangeBuf.replace(replaceStart, replaceStart + time.length(), activity.getTime().getBeginAt()
.toString()
+ "-" + activity.getTime().getEndAt().toString());
}
replaceStart = CourseArrangeBuf.indexOf(clazz);
if (-1 != replaceStart) {
CourseArrangeBuf.replace(replaceStart, replaceStart + clazz.length(), activity.getClazz().getCrn());
}
replaceStart = CourseArrangeBuf.indexOf(course);
if (-1 != replaceStart) {
CourseArrangeBuf.replace(replaceStart, replaceStart + course.length(), activity.getClazz()
.getCourse().getName()
+ "(" + activity.getClazz().getCourse().getCode() + ")");
}
replaceStart = CourseArrangeBuf.indexOf(weeks);
if (-1 != replaceStart) {
// 以本年度的最后一周(而不是从教学日历周数计算而来)作为结束周进行缩略.
// 是因为很多日历指定的周数,仅限于教学使用了.
CourseArrangeBuf.replace(replaceStart, replaceStart + weeks.length(),
WeekTimeBuilder.digestWeekTime(activity.getTime(), semester) + " ");
}
SimpleDateFormat sdf = new SimpleDateFormat("M月dd日起");
replaceStart = CourseArrangeBuf.indexOf(starton);
if (-1 != replaceStart) {
java.util.Date firstDay = activity.getClazz().getFirstCourseTime();
if (null != firstDay) {
CourseArrangeBuf.replace(replaceStart, replaceStart + starton.length(), sdf.format(firstDay));
}
}
replaceStart = CourseArrangeBuf.indexOf(room);
if (-1 != replaceStart) {
Set rooms = activity.getRooms();
StringBuilder roomStr = new StringBuilder("");
for (Iterator it = rooms.iterator(); it.hasNext(); ) {
Classroom room = it.next();
roomStr.append(room.getName());
if (it.hasNext()) {
roomStr.append(",");
}
}
if (roomStr.length() == 0 && null != activity.getRemark()) {
roomStr.append(activity.getRemark());
}
CourseArrangeBuf.replace(replaceStart, replaceStart + room.length(), roomStr.toString());
replaceStart = CourseArrangeBuf.indexOf(building);
if (-1 != replaceStart) {
StringBuilder buildingStr = new StringBuilder("");
for (Iterator iterator = rooms.iterator(); iterator.hasNext(); ) {
Classroom room = iterator.next();
if (room.getBuilding() != null) {
buildingStr.append(room.getBuilding().getName());
}
if (iterator.hasNext()) {
buildingStr.append(",");
}
}
CourseArrangeBuf.replace(replaceStart, replaceStart + building.length(), buildingStr.toString());
}
replaceStart = CourseArrangeBuf.indexOf(district);
if (-1 != replaceStart) {
StringBuilder districtStr = new StringBuilder("");
for (Iterator it = rooms.iterator(); it.hasNext(); ) {
Classroom room = it.next();
districtStr.append(room.getCampus().getName());
if (it.hasNext()) {
districtStr.append(",");
}
}
CourseArrangeBuf.replace(replaceStart, replaceStart + district.length(), districtStr.toString());
}
}
CourseArrangeBuf.append(" ").append(delimeter);
}
if (CourseArrangeBuf.lastIndexOf(delimeter) != -1) CourseArrangeBuf.delete(
CourseArrangeBuf.lastIndexOf(delimeter), CourseArrangeBuf.length());
return CourseArrangeBuf.toString();
}
/**
* 不计较年份,比较是否是相近的教学活动.
*
* @param other
* @param teacher 是否考虑教师
* @param room 是否考虑教室
* @return
*/
private static boolean isSameActivityExcept(ClazzActivity target, ClazzActivity other, boolean teacher,
boolean room) {
if (teacher) {
if (!target.getTeachers().equals(other.getTeachers())) return false;
}
if (room) {
if (!target.getRooms().equals(other.getRooms())) return false;
}
return WeekTimes.canMergerWith(target.getTime(), other.getTime());
}
public static List merge(Semester semester, Collection activities,
boolean hasTeacher, boolean hasRoom) {
List mergedActivities = CollectUtils.newArrayList();
List activitiesList = CollectUtils.newArrayList();
for (ClazzActivity ca : activities) {
activitiesList.add((ClazzActivity) ca.clone());
}
Collections.sort(activitiesList);
// 合并相同时间点(不计年份)的教学活动
for (ClazzActivity ca : activitiesList) {
ClazzActivity activity = ca;
if (ca.getTime().getStartYear() != semester.getStartYear()) {
LocalDate nextYearStart = activity.getTime().getStartOn().toLocalDate();
LocalDate thisYearStart = WeekTime.getStartOn(semester.getStartYear(), activity.getTime()
.getWeekday());
int weeks = Weeks.between(thisYearStart, nextYearStart);
activity.getTime().setStartOn(java.sql.Date.valueOf(thisYearStart));
activity.getTime().setWeekstate(new WeekState(activity.getTime().getWeekstate().value << weeks));
}
boolean merged = false;
for (ClazzActivity added : mergedActivities) {
if (added.getClazz().equals(activity.getClazz()) && isSameActivityExcept(added, activity, hasTeacher, hasRoom)) {
if (added.getTime().getBeginAt().ge(activity.getTime().getBeginAt())) {
added.getTime().setBeginAt(activity.getTime().getBeginAt());
}
if (added.getTime().getEndAt().le(activity.getTime().getEndAt())) {
added.getTime().setEndAt(activity.getTime().getEndAt());
}
added.getTime().setWeekstate(
new WeekState(added.getTime().getWeekstate().value | activity.getTime().getWeekstate().value));
merged = true;
}
}
if (!merged) {
mergedActivities.add(activity);
}
}
return mergedActivities;
}
/**
* 设置分割符，默认为逗号
*
* @param delimeter
* @return
*/
public ScheduleDigestor setDelimeter(String delimeter) {
this.delimeter = delimeter;
return this;
}
}
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