Added support for sharing and saving reports

8 files changed, 280 insertions, 20 deletions

diff --git a/iosApp/iosApp.xcodeproj/project.pbxproj b/iosApp/iosApp.xcodeproj/project.pbxproj
index dc4bdc2..6706004 100644
--- a/iosApp/iosApp.xcodeproj/project.pbxproj
+++ b/iosApp/iosApp.xcodeproj/project.pbxproj
@@ -46,6 +46,8 @@
 		E39ABC4327A4E88C00965D05 /* UnitsViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = E39ABC4227A4E88C00965D05 /* UnitsViewModel.swift */; };
 		E39ABC4627A4EBD500965D05 /* DevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E39ABC4527A4EBD500965D05 /* DevicesView.swift */; };
 		E39ABC4827A4EDEC00965D05 /* DeviceRow.swift in Sources */ = {isa = PBXBuildFile; fileRef = E39ABC4727A4EDEC00965D05 /* DeviceRow.swift */; };
+		E3B5740827F68F5F0018AFCF /* XlsxFile.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3B5740727F68F5F0018AFCF /* XlsxFile.swift */; };
+		E3B5740A27F69F750018AFCF /* ShareViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3B5740927F69F750018AFCF /* ShareViewController.swift */; };
 		E3C651E727CB5426002F6F4C /* Tabler in Frameworks */ = {isa = PBXBuildFile; productRef = E3C651E627CB5426002F6F4C /* Tabler */; };
 		E3C651EA27CB61EE002F6F4C /* GEOSwift in Frameworks */ = {isa = PBXBuildFile; productRef = E3C651E927CB61EE002F6F4C /* GEOSwift */; };
 		E3E77EE6279E6CE400150070 /* FlowCollector.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3E77EE5279E6CE400150070 /* FlowCollector.swift */; };
@@ -63,6 +65,16 @@
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		E3B5741D27F6A3C70018AFCF /* Embed App Extensions */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 13;
+			files = (
+			);
+			name = "Embed App Extensions";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
@@ -106,6 +118,8 @@
 		E39ABC4227A4E88C00965D05 /* UnitsViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnitsViewModel.swift; sourceTree = "<group>"; };
 		E39ABC4527A4EBD500965D05 /* DevicesView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DevicesView.swift; sourceTree = "<group>"; };
 		E39ABC4727A4EDEC00965D05 /* DeviceRow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceRow.swift; sourceTree = "<group>"; };
+		E3B5740727F68F5F0018AFCF /* XlsxFile.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = XlsxFile.swift; sourceTree = "<group>"; };
+		E3B5740927F69F750018AFCF /* ShareViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareViewController.swift; sourceTree = "<group>"; };
 		E3E77EE5279E6CE400150070 /* FlowCollector.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FlowCollector.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -271,6 +285,8 @@
 				E33A237227A7581A00DD647F /* Utils.swift */,
 				E34A2F4727A7878200AD8AEB /* HyperlinkText.swift */,
 				E31D721427CF159900CDA320 /* SidewaysScroller.swift */,
+				E3B5740727F68F5F0018AFCF /* XlsxFile.swift */,
+				E3B5740927F69F750018AFCF /* ShareViewController.swift */,
 			);
 			path = Shared;
 			sourceTree = "<group>";
@@ -287,6 +303,7 @@
 				7555FF78242A565900829871 /* Frameworks */,
 				7555FF79242A565900829871 /* Resources */,
 				E33A236F27A7545500DD647F /* Embed Frameworks */,
+				E3B5741D27F6A3C70018AFCF /* Embed App Extensions */,
 			);
 			buildRules = (
 			);
@@ -309,7 +326,7 @@
 		7555FF73242A565900829871 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastSwiftUpdateCheck = 1130;
+				LastSwiftUpdateCheck = 1320;
 				LastUpgradeCheck = 1130;
 				ORGANIZATIONNAME = orgName;
 				TargetAttributes = {
@@ -396,6 +413,7 @@
 				E312E74F27B366060018C5DE /* DevicesViewModel.swift in Sources */,
 				E33A236727A64E4500DD647F /* MarkerTransformations.swift in Sources */,
 				E38F241527A242870069FC45 /* Inject.swift in Sources */,
+				E3B5740A27F69F750018AFCF /* ShareViewController.swift in Sources */,
 				E39ABC4827A4EDEC00965D05 /* DeviceRow.swift in Sources */,
 				E396282827AFBD72005D070E /* UnitCommandsView.swift in Sources */,
 				E38F241C27A26DD70069FC45 /* RootViewModel.swift in Sources */,
@@ -408,6 +426,7 @@
 				E39ABC4327A4E88C00965D05 /* UnitsViewModel.swift in Sources */,
 				E360251B27BCA8A600958B21 /* AccountViewModel.swift in Sources */,
 				E34A2F4827A7878200AD8AEB /* HyperlinkText.swift in Sources */,
+				E3B5740827F68F5F0018AFCF /* XlsxFile.swift in Sources */,
 				2152FB042600AC8F00CF470E /* iOSApp.swift in Sources */,
 				E39ABC4627A4EBD500965D05 /* DevicesView.swift in Sources */,
 				E3141B8B27B9E91F00CE777C /* UnitReportsViewModel.swift in Sources */,
@@ -552,6 +571,7 @@
 		7555FFA6242A565B00829871 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = iosApp/iosApp.entitlements;
@@ -589,6 +609,7 @@
 		7555FFA7242A565B00829871 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = iosApp/iosApp.entitlements;
diff --git a/iosApp/iosApp/AppDelegate.swift b/iosApp/iosApp/AppDelegate.swift
index 72e3e92..22d4f75 100644
--- a/iosApp/iosApp/AppDelegate.swift
+++ b/iosApp/iosApp/AppDelegate.swift
@@ -32,6 +32,8 @@ class AppDelegate: NSObject, UIApplicationDelegate {
         
         application.registerForRemoteNotifications()
         
+        Utils.createReportTmpDirectory()
+        Utils.clearReportTmpDirectory()
         return true
     }
     
diff --git a/iosApp/iosApp/Details/Reports/UnitReportsView.swift b/iosApp/iosApp/Details/Reports/UnitReportsView.swift
index 2143b3b..e189835 100644
--- a/iosApp/iosApp/Details/Reports/UnitReportsView.swift
+++ b/iosApp/iosApp/Details/Reports/UnitReportsView.swift
@@ -152,17 +152,34 @@ struct UnitReportsView: View {
                     EmptyView()
                 }.pickerStyle(SegmentedPickerStyle())
 
-                //HStack {
-                //    Group {
-                //        Button {} label: {
-                //            Text("report-save")
-                //        }
-                //
-                //        Button {} label: {
-                //            Text("report-share")
-                //        }
-                //    }.frame(maxWidth: .infinity)
-                //}.padding()
+                HStack {
+                    Group {
+                        Button {
+                            unitReportsViewModel.saveXlsxReport()
+                        } label: {
+                            Text("report-save")
+                        }
+                
+                        Button {
+                            unitReportsViewModel.shareXlsxReport()
+                        } label: {
+                            Text("report-share")
+                        }
+                    }.frame(maxWidth: .infinity)
+                }.padding()
+                    .sheet(isPresented: $unitReportsViewModel.showShareDialog) {
+                        ShareView(activityItems: $unitReportsViewModel.activityItems)
+                    }
+                    .fileExporter(isPresented: $unitReportsViewModel.showExportDialog,
+                                  documents: [unitReportsViewModel.saveDocument],
+                                  contentType: .xlsx) { result in
+                        switch result {
+                        case .success (let url):
+                            print ("Saved to \(url)")
+                        case .failure (let error):
+                            print (error.localizedDescription)
+                        }
+                    }
             }.padding()
         }.onAppear {
             unitReportsViewModel.fetchReport()
diff --git a/iosApp/iosApp/Details/Reports/UnitReportsViewModel.swift b/iosApp/iosApp/Details/Reports/UnitReportsViewModel.swift
index 4731a57..e5b3e4b 100644
--- a/iosApp/iosApp/Details/Reports/UnitReportsViewModel.swift
+++ b/iosApp/iosApp/Details/Reports/UnitReportsViewModel.swift
@@ -1,11 +1,20 @@
-//
-//  UnitReportsViewModel.swift
-//  iosApp
-//
-//  Created by Iván on 13/02/22.
-//  Copyright © 2022 orgName. All rights reserved.
-//
-
+/**
+ * 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 Foundation
 import Combine
 import shared
@@ -14,6 +23,11 @@ class UnitReportsViewModel: ObservableObject {
     @Inject var reportController: ReportController
     @Inject var geofencesController: GeofencesController
     
+    enum XlsxAction {
+        case save
+        case share
+    }
+    
     @Published var deviceId: Int32? = nil
     @Published var reportType: ReportController.ReportType = .positions {
         didSet {
@@ -34,6 +48,16 @@ class UnitReportsViewModel: ObservableObject {
                 markers = []
             case let report as ReportController.ReportStopsReport:
                 markers = report.stops.compactMap { s in Marker.companion.fromStop(stop: s) }
+            case let report as ReportController.ReportXlsxReport:
+                print ("Got XLSX report!")
+                saveDocument = XlsxFile(bytes: report.data)
+                if xlsxAction == .save {
+                    showExportDialog = true
+                } else {
+                    let url = saveDocument.data.dataToFile(fileName: "report.xlsx")
+                    activityItems = [url!]
+                    showShareDialog = true
+                }
             default:
                 break
             }
@@ -43,6 +67,7 @@ class UnitReportsViewModel: ObservableObject {
     @Published var markers = [Marker]()
     @Published var selectedMarker: Marker? = nil
     
+    // Geofences
     @Published var geofences: [Int: Geofence] = [:] {
         didSet {
             flatGeofences = Array(geofences.values)
@@ -50,6 +75,13 @@ class UnitReportsViewModel: ObservableObject {
     }
     @Published var flatGeofences: [Geofence] = []
     
+    // Save and share
+    var xlsxAction: XlsxAction = .save
+    var saveDocument = XlsxFile()
+    @Published var showExportDialog: Bool = false
+    @Published var showShareDialog: Bool = false
+    @Published var activityItems: [Any] = []
+    
     init(deviceId id: Int32?) {
         deviceId = id
         let collector = Collector<ReportController.Report>(callback: setReport)
@@ -91,4 +123,14 @@ class UnitReportsViewModel: ObservableObject {
                                          ]) { _, _ in }
         }
     }
+    
+    func saveXlsxReport () {
+        xlsxAction = .save
+        fetchReport(xlsx: true)
+    }
+    
+    func shareXlsxReport () {
+        xlsxAction = .share
+        fetchReport(xlsx: true)
+    }
 }
diff --git a/iosApp/iosApp/Shared/ShareViewController.swift b/iosApp/iosApp/Shared/ShareViewController.swift
new file mode 100644
index 0000000..ed26ab8
--- /dev/null
+++ b/iosApp/iosApp/Shared/ShareViewController.swift
@@ -0,0 +1,26 @@
+//
+//  ShareViewController.swift
+//  iosApp
+//
+//  Created by Iván on 31/03/22.
+//  Copyright © 2022 orgName. All rights reserved.
+//
+
+import Foundation
+import SwiftUI
+import UIKit
+
+struct ShareView: UIViewControllerRepresentable {
+
+    @Binding var activityItems: [Any]
+    var excludedActivityTypes: [UIActivity.ActivityType]? = nil
+    
+    func makeUIViewController(context: UIViewControllerRepresentableContext<ShareView>) -> UIActivityViewController {
+        let controller = UIActivityViewController(activityItems: activityItems,
+                                                  applicationActivities: nil)
+        controller.excludedActivityTypes = excludedActivityTypes
+        return controller
+    }
+
+    func updateUIViewController(_ uiViewController: UIActivityViewController, context: UIViewControllerRepresentableContext<ShareView>) {}
+}
diff --git a/iosApp/iosApp/Shared/Utils.swift b/iosApp/iosApp/Shared/Utils.swift
index 61a8f90..4e04d1b 100644
--- a/iosApp/iosApp/Shared/Utils.swift
+++ b/iosApp/iosApp/Shared/Utils.swift
@@ -20,6 +20,25 @@ import CryptoKit
 import WhirlyGlobe
 import shared
 
+// Source: https://stackoverflow.com/a/55092044
+extension Data {
+    func dataToFile(fileName: String) -> NSURL? {
+        let fileManager = FileManager.default
+        let data = self
+        let filePath = Utils.getReportTmpDirectory().appendingPathComponent(fileName)
+        do {
+            if(fileManager.fileExists(atPath: filePath)) {
+                try fileManager.removeItem(atPath: filePath)
+            }
+            fileManager.createFile(atPath: filePath, contents: data, attributes: nil)
+            return NSURL(fileURLWithPath: filePath)
+        } catch {
+            print("Error writing the file: \(error.localizedDescription)")
+        }
+        return nil
+    }
+}
+
 class Utils {
     static func MD5(string: String) -> String {
         let digest = Insecure.MD5.hash(data: string.data(using: .utf8) ?? Data())
@@ -45,4 +64,37 @@ class Utils {
             .replacingOccurrences(of: "{x}", with: "\(latitude)")
             .replacingOccurrences(of: "{y}", with: "\(longitude)"))
     }
+    
+    static func createReportTmpDirectory() {
+        let fileManager = FileManager.default
+        let tmpDir = getReportTmpDirectory() as String
+        do {
+            if (!fileManager.fileExists(atPath: tmpDir)) {
+                try fileManager.createDirectory(atPath: tmpDir,
+                                                withIntermediateDirectories: false,
+                                                attributes: nil)
+            }
+        } catch {
+            print("Could not create temp folder: \(error)")
+        }
+    }
+    
+    static func getReportTmpDirectory() -> NSString {
+        let tmpDir = NSTemporaryDirectory()
+        return (tmpDir as NSString).appendingPathComponent("reports") as NSString
+    }
+    
+    // Source: https://stackoverflow.com/a/33937110
+    static func clearReportTmpDirectory() {
+        let fileManager = FileManager.default
+        let reportTmpDir = getReportTmpDirectory()
+        do {
+            let filePaths = try fileManager.contentsOfDirectory(atPath: reportTmpDir as String)
+            for filePath in filePaths {
+                try fileManager.removeItem(atPath: reportTmpDir.appendingPathComponent(filePath))
+            }
+        } catch {
+            print("Could not clear temp folder: \(error)")
+        }
+    }
 }
diff --git a/iosApp/iosApp/Shared/XlsxFile.swift b/iosApp/iosApp/Shared/XlsxFile.swift
new file mode 100644
index 0000000..8015422
--- /dev/null
+++ b/iosApp/iosApp/Shared/XlsxFile.swift
@@ -0,0 +1,60 @@
+/**
+ * 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)
+    }
+}
diff --git a/shared/src/iosMain/kotlin/mx/trackermap/TrackerMap/utils/NSDataByteArray.kt b/shared/src/iosMain/kotlin/mx/trackermap/TrackerMap/utils/NSDataByteArray.kt
new file mode 100644
index 0000000..807c63f
--- /dev/null
+++ b/shared/src/iosMain/kotlin/mx/trackermap/TrackerMap/utils/NSDataByteArray.kt
@@ -0,0 +1,40 @@
+/**
+ * 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/>.
+ */
+package mx.trackermap.TrackerMap.utils
+
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.allocArrayOf
+import kotlinx.cinterop.memScoped
+import kotlinx.cinterop.usePinned
+import platform.Foundation.NSData
+import platform.Foundation.create
+import platform.posix.memcpy
+
+// Source: https://gist.github.com/noahsark769/61cfb7a8b7231e2069a9dab94cf74a62
+
+fun ByteArray.toData(): NSData = memScoped {
+    NSData.create(
+        bytes = allocArrayOf(this@toData),
+        length = this@toData.size.toULong())
+}
+
+fun NSData.toByteArray(): ByteArray = ByteArray(this@toByteArray.length.toInt()).apply {
+    usePinned {
+        memcpy(it.addressOf(0), this@toByteArray.bytes, this@toByteArray.length)
+    }
+}
\ No newline at end of file