implemented patching of project tasks when new user is added to project

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

task/src/main/java/de/srsoftware/umbrella/task/SqliteDb.java

@@ -260,7 +260,7 @@ CREATE TABLE IF NOT EXISTS {0} (
 		try {
 			var query = select(ALL).from(TABLE_TASKS).leftJoin(ID,TABLE_TASKS_USERS,TASK_ID).where(USER_ID,equal(userId));
 			if (!showClosed) query.where(STATUS,lessThan(COMPLETE.code()));
-			var rs = query.sort("(CASE due_date WHEN \"\" THEN '9999-99-99' ELSE IFNULL(due_date,'9999-99-99') END), status COLLATE NOCASE").limit(limit).skip(offset).exec(db);
+			var rs = query.sort("(CASE due_date WHEN \"\" THEN '9999-99-99' ELSE IFNULL(due_date,'9999-99-99') END), status COLLATE NOCASE").limit(limit == null ? -1 : limit).skip(offset).exec(db);
 			var map = new ArrayList<Task>();
 			while (rs.next()) map.add(Task.of(rs));
 			rs.close();

task/src/main/java/de/srsoftware/umbrella/task/TaskModule.java

@@ -66,6 +66,28 @@ public class TaskModule extends BaseHandler implements TaskService {
 		return user;
 	}
 
+	@Override
+	public void clonePermissions(long project_id, UmbrellaUser source, UmbrellaUser dest) {
+		var taskMap = taskDb.listProjectTasks(project_id,null,true);
+		loadMembers(taskMap.values());
+		for (var task : taskMap.values()) {
+			var memberShip = task.members().get(source.id());
+
+			Permission granted = memberShip == null ? EDIT : switch (memberShip.permission()) {
+				case ASSIGNEE,
+					 EDIT,
+					 OWNER ->
+						EDIT;
+				case READ_ONLY ->
+						READ_ONLY;
+			};
+			var newMember = new Member(dest, granted);
+			task.members().put(dest.id(), newMember);
+			task.dirty(MEMBERS);
+			taskDb.save(task);
+		}
+	}
+
 	private boolean deleteTask(HttpExchange ex, long taskId, UmbrellaUser user) throws IOException {
 		var task = loadMembers(taskDb.load(taskId));
 		var member = task.members().get(user.id());