/**
* Return the parent directory of a directory
*
* @param u The owner
* @param path The directory path
* @param name The directory name
* @return The parent directory, or null if not found
*/
public static Directory getDirectoryParent(User u, Directory d) {
if (d.name == null) return null; // Root doesn't have a parent
if (d.getPathList().size() > 0) {
return getDirectory(
u,
d.getPathList().subList(0, d.getPathList().size() - 1),
d.getPathList().get(d.getPathList().size() - 1));
} else {
return new Directory(); // Root directory
}
}
/**
* Move a directory
*
* @param u
* @param d
* @param newContainer
* @return
*/
public static Directory moveDirectory(User u, Directory d, Directory newContainer) {
if (d.UID == null) return d;
MongoCollection<Document> collection = DataBase.getInstance().getCollection("directories");
MongoCollection<Document> collectionFiles = DataBase.getInstance().getCollection("files.files");
Date now = new Date();
// Change path
BasicDBObject query = new BasicDBObject();
query.put("_id", new ObjectId(d.UID));
query.put("owner", new ObjectId(u.UID));
String oldPath = d.path;
String newPath = newContainer.name == null ? "/" : newContainer.path + newContainer.name + "/";
BasicDBObject update = new BasicDBObject();
update.append("$set", new BasicDBObject().append("path", newPath).append("edit", now));
collection.updateOne(query, update);
// Update paths
query = new BasicDBObject();
query.put("owner", new ObjectId(u.UID));
if (d.getPathList().size() > 0) {
String pathRegex = "^/" + String.join("/", d.getPathList()) + "/" + d.name + "/";
query.put("path", new BasicDBObject("$regex", pathRegex));
} else {
String pathRegex = "^/" + d.name + "/";
query.put("path", new BasicDBObject("$regex", pathRegex));
}
// Update directories
for (Document doc : collection.find(query)) {
BasicDBObject dirQuery = new BasicDBObject();
dirQuery.put("_id", doc.getObjectId("_id"));
update = new BasicDBObject();
update.append(
"$set",
new BasicDBObject()
.append("path", newPath + doc.getString("path").substring(oldPath.length()))
.append("edit", now));
collection.updateOne(dirQuery, update);
}
// Update files
for (Document doc : collectionFiles.find(query)) {
BasicDBObject fileQuery = new BasicDBObject();
fileQuery.put("_id", doc.getObjectId("_id"));
update = new BasicDBObject();
update.append(
"$set",
new BasicDBObject()
.append("path", newPath + doc.getString("path").substring(oldPath.length()))
.append("edit", now));
collectionFiles.updateOne(fileQuery, update);
}
updateDirectoryDate(u, newContainer);
// Update local version
d.path = newPath;
return d;
}
/**
* Rename a directory
*
* @param u The owner
* @param d The directory
* @param newName The new name
* @return The renamed directory
*/
public static Directory renameDirectory(User u, Directory d, String newName) {
if (d.name == null) // Root can't be renamed
return d;
MongoCollection<Document> collection = DataBase.getInstance().getCollection("directories");
MongoCollection<Document> collectionFiles = DataBase.getInstance().getCollection("files.files");
Date now = new Date();
String newPath = d.path + newName;
String oldPath = d.path + d.name;
// Change name
BasicDBObject query = new BasicDBObject();
query.put("_id", new ObjectId(d.UID));
query.put("owner", new ObjectId(u.UID));
BasicDBObject update = new BasicDBObject();
update.append("$set", new BasicDBObject().append("name", newName).append("edit", now));
collection.updateOne(query, update);
// Update paths
query = new BasicDBObject();
query.put("owner", new ObjectId(u.UID));
if (d.getPathList().size() > 0) {
String pathRegex = "^/" + String.join("/", d.getPathList()) + "/" + d.name + "/";
query.put("path", new BasicDBObject("$regex", pathRegex));
} else {
String pathRegex = "^/" + d.name + "/";
query.put("path", new BasicDBObject("$regex", pathRegex));
}
// Update directories
for (Document doc : collection.find(query)) {
BasicDBObject dirQuery = new BasicDBObject();
dirQuery.put("_id", doc.getObjectId("_id"));
update = new BasicDBObject();
update.append(
"$set",
new BasicDBObject()
.append("path", newPath + doc.getString("path").substring(oldPath.length()))
.append("edit", now));
collection.updateOne(dirQuery, update);
}
// Update files
for (Document doc : collectionFiles.find(query)) {
BasicDBObject fileQuery = new BasicDBObject();
fileQuery.put("_id", doc.getObjectId("_id"));
update = new BasicDBObject();
update.append(
"$set",
new BasicDBObject()
.append("path", newPath + doc.getString("path").substring(oldPath.length()))
.append("edit", now));
collectionFiles.updateOne(fileQuery, update);
}
// Return the modified element
d.name = newName;
return d;
}
