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Forum Discussion
Get only files or only folders in a directory with Swiftydropbox
How would I go about to get a list with only files or only folders in a directory. As far as I know, I can get the metadata with the client.files.getMetaData, but that seems like a backwards way of doing it by first getting all files and then getting all metadata. Especially if I have basically two closures in each other to set for example an array to use as a datasource for a tableview.
For example, this won't work, since the completion will be called too early:
func getSubDirectory(path: String, completion: @escaping ([String]) -> ()) { var directories: [String] = [] if let client = DropboxClientsManager.authorizedClient { client.files.listFolder(path: path).response { response, error in if let result = response { print("Folder contents:") for entry in result.entries { client.files.getMetadata(path: (entry.pathLower)!).response { response, error in if let metadata = response { if let folder = metadata as? Files.FolderMetadata { print(folder.name) directories.append(folder.name) } } } } completion(directories) } else { print(error!) } } } }- Greg-DB
Dropbox Staff
You don't need to call getMetadata for each entry. You can perform the as? Files.FolderMetadata or Files.FileMetadata check on each Metadata object in the entries list returned by listFolder itself.
I figured it out in the end, my solution ended up being like this:
func getFolders(path: String, completion: @escaping ([String]) -> ()) { var directories: [String] = [] if let client = DropboxClientsManager.authorizedClient { client.files.listFolder(path: path).response { response, error in if let result = response { for entry in result.entries { if let folder = entry as? Files.FolderMetadata { directories.append(folder.name) } } directories.sort { $0.capitalized < $1.capitalized } completion(directories) } else { print(error!) } } } }
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