1 files changed, 60 insertions, 0 deletions
diff --git a/iosApp/iosApp/Shared/XlsxFile.swift b/iosApp/iosApp/Shared/XlsxFile.swift
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+++ b/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)
+    }
+}