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path: root/iosApp/iosApp/Shared/XlsxFile.swift
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/**
 * TrackerMap
 * Copyright (C) 2021-2022  Iván Ávalos <avalos@disroot.org>, Henoch Ojeda <imhenoch@protonmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
import shared
import Foundation
import UniformTypeIdentifiers
import SwiftUI

// Source: https://www.hackingwithswift.com/quick-start/swiftui/how-to-export-files-using-fileexporter

extension UTType {
    static var doc: Self { .init(filenameExtension: "doc")! }
    static var docx: Self { .init(filenameExtension: "docx")! }

    static var xls: Self { .init(filenameExtension: "xls")! }
    static var xlsx: Self { .init(filenameExtension: "xlsx")! }

    static var ppt: Self { .init(filenameExtension: "ppt")! }
    static var pptx: Self { .init(filenameExtension: "pptx")! }
}

struct XlsxFile: FileDocument {
    static var readableContentTypes = [UTType.xlsx]
    
    var data: Data
    
    init() {
        data = Data()
    }
    
    init(bytes: KotlinByteArray) {
        data = bytes.toData()
    }
    
    init(configuration: ReadConfiguration) throws {
        if let data = configuration.file.regularFileContents {
            self.data = data
            return
        }
        self.data = Data()
    }
    
    func fileWrapper(configuration: WriteConfiguration) throws -> FileWrapper {
        return FileWrapper(regularFileWithContents: data)
    }
}