logseq/ios/App/App/FileContainer.swift

//
//  FileContainer.swift
//  App
//
//

import Capacitor
import Foundation
import MobileCoreServices

@objc(FileContainer)
public class FileContainer: CAPPlugin, UIDocumentPickerDelegate {

    var iCloudContainerUrl: URL? {
        return FileManager.default.url(forUbiquityContainerIdentifier: nil)?.appendingPathComponent("Documents")
    }
    
    var localContainerUrl: URL? {
        return FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first
    }

    @objc func ensureDocuments(_ call: CAPPluginCall) {
        
        if self.iCloudContainerUrl != nil {
            validateDocuments(at: self.iCloudContainerUrl!)
        }
        
        if self.localContainerUrl != nil {
            validateDocuments(at: self.localContainerUrl!)
        }
        
        call.resolve(["path": [self.iCloudContainerUrl?.path as Any,
                               self.localContainerUrl?.path as Any]])
    }
    
    func validateDocuments(at url: URL) {
        
        if !FileManager.default.fileExists(atPath: url.path, isDirectory: nil) {
            do {
                print("the url = " + url.path)
                try FileManager.default.createDirectory(at: url, withIntermediateDirectories: true, attributes: nil)
            }
            catch {
                print("container doesn't exist")
                print(error.localizedDescription)
            }
        }
        

        let str = ""
        let filename = url.appendingPathComponent(".logseq", isDirectory: false)

        if !FileManager.default.fileExists(atPath: filename.path) {
            do {
                try str.write(to: filename, atomically: true, encoding:  String.Encoding.utf8)
            }
            catch {
                print("write .logseq failed")
                print(error.localizedDescription)
            }
        }
    }
}