I have implemented Document Picker. Users can only pick pdf files. When the user selects pdf from Document Picker I get the file location of that pdf file. Ex. file://somepath/pdffile.pdf. Once I receive this file location URL, I want to change pdffile.pdf to newpdf.pdf and use that newly created file location.
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1 Answer
You can do it while you are moving/copying the file to your app's local storage.
Code
/// When you finish picking up a file, you get it's current location in the delegate callback like this.
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
/// Assumption is that you are picking only one file at a time.
guard let url = urls.first else { return }
do {
/// You can copy this move this file to your Documents directory
let documentsDirectory = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
let newFileName = "custom_name.pdf"
let newFilePath = "\(documentsDirectory)/\(newFileName)"
try FileManager.default.moveItem(at: url, to: URL(fileURLWithPath: newFilePath))
} catch {
/// Handle error
}
}
