Add share sheet

ios/circolapp/circolapp.xcodeproj/project.pbxproj

@@ -36,6 +36,7 @@
 		95CA31B7255C1EE000AC095B /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 95CA31B6255C1EE000AC095B /* Preview Assets.xcassets */; };
 		95CA31C0255C28C300AC095B /* CircularView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95CA31BF255C28C300AC095B /* CircularView.swift */; };
 		95DB71AB258A1C1500A78033 /* CarteView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95DB71AA258A1C1500A78033 /* CarteView.swift */; };
+		95E58FBB2592195B00689C37 /* ShareSheet.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95E58FBA2592195B00689C37 /* ShareSheet.swift */; };
 		95F6666E2590D712006DE74F /* URLUtils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95F6666D2590D712006DE74F /* URLUtils.swift */; };
 /* End PBXBuildFile section */
 
@@ -87,6 +88,7 @@
 		95CA31B8255C1EE000AC095B /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		95CA31BF255C28C300AC095B /* CircularView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CircularView.swift; sourceTree = "<group>"; };
 		95DB71AA258A1C1500A78033 /* CarteView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CarteView.swift; sourceTree = "<group>"; };
+		95E58FBA2592195B00689C37 /* ShareSheet.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareSheet.swift; sourceTree = "<group>"; };
 		95F6666D2590D712006DE74F /* URLUtils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = URLUtils.swift; sourceTree = "<group>"; };
 		976621FBDDCA894FD23FBA8B /* Pods-circolapp.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-circolapp.release.xcconfig"; path = "Target Support Files/Pods-circolapp/Pods-circolapp.release.xcconfig"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -137,8 +139,9 @@
 				95CA31B1255C1EDE00AC095B /* ContentView.swift */,
 				95CA31BF255C28C300AC095B /* CircularView.swift */,
 				95BC3BF72572BCF900F24400 /* AttachmentView.swift */,
-				9512D3C0257AB4F60023C3A1 /* NewReminderView.swift */,
+				95E58FBA2592195B00689C37 /* ShareSheet.swift */,
 				955B7A0D257D098C0091B1F9 /* SearchBar.swift */,
+				9512D3C0257AB4F60023C3A1 /* NewReminderView.swift */,
 				955B7A0F257D10A70091B1F9 /* ViewControllerResolver.swift */,
 				9554BDB7257E498F00D8925B /* OnboardingView.swift */,
 				954AF8F52588A5C300666D0C /* CircularList.swift */,
@@ -190,12 +193,12 @@
 				95CA31AF255C1EDE00AC095B /* AppDelegate.swift */,
 				952DEDDE2576F8DC001DF85D /* SceneDelegate.swift */,
 				954E683C2574ED9E0034EBA8 /* UserDefaultsExtensions.swift */,
+				95F6666D2590D712006DE74F /* URLUtils.swift */,
 				953DDE7D2580312500C457CE /* LaunchScreen.storyboard */,
 				95CA31B8255C1EE000AC095B /* Info.plist */,
 				95906F4C257510370060F5D0 /* GoogleService-Info.plist */,
 				95906F47257506360060F5D0 /* Assets.xcassets */,
 				95CA31B5255C1EE000AC095B /* Preview Content */,
-				95F6666D2590D712006DE74F /* URLUtils.swift */,
 			);
 			path = circolapp;
 			sourceTree = "<group>";
@@ -375,6 +378,7 @@
 				954E68352574E3890034EBA8 /* iOSServerApi.swift in Sources */,
 				95DB71AB258A1C1500A78033 /* CarteView.swift in Sources */,
 				950C1784258E582E00B2DBFE /* PadView.swift in Sources */,
+				95E58FBB2592195B00689C37 /* ShareSheet.swift in Sources */,
 				954AF8F82588A5CF00666D0C /* FavouritesList.swift in Sources */,
 				954AF8F62588A5C300666D0C /* CircularList.swift in Sources */,
 				954AF8FD2588A61000666D0C /* FavouritesViewModel.swift in Sources */,

ios/circolapp/circolapp/URLUtils.swift

@@ -18,10 +18,19 @@
 
 import Foundation
 import UIKit
+import SwiftUI
 
 class URLUtils {
     static func openUrl(url: String) {
         guard let safeUrl = URL(string: url.addingPercentEncoding(withAllowedCharacters: .urlFragmentAllowed)!) else { return }
         UIApplication.shared.open(safeUrl)
     }
+    
+    static func shareSheetView(url: String) -> some View {
+        if let safeUrl = URL(string: url.addingPercentEncoding(withAllowedCharacters: .urlFragmentAllowed)!) {
+            return ShareSheet(activityItems: [safeUrl])
+        } else {
+            return ShareSheet(activityItems: [url])
+        }
+    }
 }

ios/circolapp/circolapp/View/AttachmentView.swift

@@ -20,6 +20,9 @@ import SwiftUI
 import Shared
 
 struct AttachmentView: View {
+    @State private var sharingPhone: Bool = false
+    @State private var sharingPad: Bool = false
+    
     var attachmentName: String
     var attachmentUrl: String
     
@@ -43,34 +46,26 @@ struct AttachmentView: View {
             .buttonStyle(BorderlessButtonStyle())
             
             Button(action: {
-                guard let url = URL(string: attachmentUrl) else { return }
+                if UIDevice.current.userInterfaceIdiom == .phone {
-                
+                    sharingPhone = true
-                let downloadTask = URLSession.shared.downloadTask(with: url) {
+                } else {
-                    urlOrNil, responseOrNil, errorOrNil in
+                    sharingPad = true
-                    
-                    guard let fileURL = urlOrNil else { return }
-                    do {
-                        let documentsURL = try
-                            FileManager.default.url(for: .documentDirectory,
-                                                    in: .userDomainMask,
-                                                    appropriateFor: nil,
-                                                    create: false)
-                        let savedURL = documentsURL.appendingPathComponent(fileURL.lastPathComponent)
-                        try FileManager.default.moveItem(at: fileURL, to: savedURL)
-                    } catch {
-                        print ("file error: \(error)")
-                    }
                 }
                 
-                downloadTask.resume()
             }) {
-                Image(systemName: "square.and.arrow.down.fill")
+                Image(systemName: "square.and.arrow.up.fill")
                     .resizable()
                     .scaledToFit()
                     .frame(width: 20.0, height: 20.0)
                     .padding(8.0)
             }
             .buttonStyle(BorderlessButtonStyle())
+            .sheet(isPresented: $sharingPhone) {
+                URLUtils.shareSheetView(url: attachmentUrl)
+            }
+            .popover(isPresented: $sharingPad) {
+                URLUtils.shareSheetView(url: attachmentUrl)
+            }
         }
     }
 }

ios/circolapp/circolapp/View/CircularView.swift

@@ -21,7 +21,10 @@ import Shared
 
 struct CircularView: View {
     @State private var creatingReminder: Bool = false
+    @State private var sharingPhone: Bool = false
+    @State private var sharingPad: Bool = false
     @State private var showDetail = false
+    
     var circular: Circular
     
     var body: some View {
@@ -61,33 +64,24 @@ struct CircularView: View {
                     Spacer()
                     
                     Button(action: {
-                        guard let url = URL(string: circular.url) else { return }
+                        if UIDevice.current.userInterfaceIdiom == .phone {
-                        
+                            sharingPhone = true
-                        let downloadTask = URLSession.shared.downloadTask(with: url) {
+                        } else {
-                            urlOrNil, responseOrNil, errorOrNil in
+                            sharingPad = true
-                            
-                            guard let fileURL = urlOrNil else { return }
-                            do {
-                                let documentsURL = try
-                                    FileManager.default.url(for: .documentDirectory,
-                                                            in: .userDomainMask,
-                                                            appropriateFor: nil,
-                                                            create: false)
-                                let savedURL = documentsURL.appendingPathComponent(fileURL.lastPathComponent)
-                                try FileManager.default.moveItem(at: fileURL, to: savedURL)
-                            } catch {
-                                print ("file error: \(error)")
                         }
-                        }
-                        
-                        downloadTask.resume()
                     }) {
-                        Image(systemName: "square.and.arrow.down.fill")
+                        Image(systemName: "square.and.arrow.up.fill")
                             .resizable()
                             .scaledToFit()
                             .frame(width: 20.0, height: 20.0)
                     }
                     .buttonStyle(BorderlessButtonStyle())
+                    .sheet(isPresented: $sharingPhone) {
+                        URLUtils.shareSheetView(url: circular.url)
+                    }
+                    .popover(isPresented: $sharingPad) {
+                        URLUtils.shareSheetView(url: circular.url)
+                    }
                     
                     Spacer()
                     

ios/circolapp/circolapp/View/ShareSheet.swift

@@ -0,0 +1,44 @@
+/*
+ * Circolapp
+ * Copyright (C) 2019-2020  Matteo Schiff
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import Foundation
+import UIKit
+import SwiftUI
+
+struct ShareSheet: UIViewControllerRepresentable {
+    typealias Callback = (_ activityType: UIActivity.ActivityType?, _ completed: Bool, _ returnedItems: [Any]?, _ error: Error?) -> Void
+    
+    let activityItems: [Any]
+    let applicationActivities: [UIActivity]? = nil
+    let excludedActivityTypes: [UIActivity.ActivityType]? = nil
+    let callback: Callback? = nil
+    
+    func makeUIViewController(context: Context) -> UIActivityViewController {
+        let controller = UIActivityViewController(
+            activityItems: activityItems,
+            applicationActivities: applicationActivities)
+        controller.excludedActivityTypes = excludedActivityTypes
+        controller.completionWithItemsHandler = callback
+        controller.isModalInPresentation = true
+        return controller
+    }
+    
+    func updateUIViewController(_ uiViewController: UIActivityViewController, context: Context) {
+        // nothing to do here
+    }
+}