From ae66e8c4dd5a625a9e0a41524b8e69d7e4d81ece Mon Sep 17 00:00:00 2001
From: Simon Briere <simon.briere@usherbrooke.ca>
Date: Tue, 23 Apr 2024 09:11:05 -0400
Subject: [PATCH] Refs #2. Working path for archive download

---
 Frontend/DashboardsViewer/content/App.qml     |  4 +--
 .../dataSources/FileDownloadDataSource.qml    | 24 +++++++++++++++-
 .../content/delegates/ParticipantDelegate.qml | 28 +++++++++++++++++--
 3 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/Frontend/DashboardsViewer/content/App.qml b/Frontend/DashboardsViewer/content/App.qml
index f11213b..1a7b34f 100644
--- a/Frontend/DashboardsViewer/content/App.qml
+++ b/Frontend/DashboardsViewer/content/App.qml
@@ -117,11 +117,11 @@ Window {
         }
     }
 
-    Connections {
+    /*Connections {
         target: UserClient
         onUserEvent: function(event) {
             console.log("UserEvent: ", event)
         }
-    }
+    }*/
 }
 
diff --git a/Frontend/DashboardsViewer/content/dataSources/FileDownloadDataSource.qml b/Frontend/DashboardsViewer/content/dataSources/FileDownloadDataSource.qml
index 9a34944..1eac56c 100644
--- a/Frontend/DashboardsViewer/content/dataSources/FileDownloadDataSource.qml
+++ b/Frontend/DashboardsViewer/content/dataSources/FileDownloadDataSource.qml
@@ -7,6 +7,8 @@ Item {
     property var params: Object()
     property bool autoFetch: false
     property string filename: ""
+    property string archiveUuid: ""
+    property bool downloading: false
 
     signal downloadProgress(var bytesReceived, var bytesTotal);
     signal downloadStarted();
@@ -16,14 +18,21 @@ Item {
 
     function downloadFile() {
 
+        if (downloading){
+            console.log("Already downloading file... Ignoring another download.")
+            return;
+        }
+
         if (filename)
         {
-            console.log("Should download file and save to: ", filename );
+            downloading = true;
+            console.log("Should download file " + url + " and save to: ", filename );
             var fileDownloader = UserClient.downloadFile(filename, url, params);
 
             fileDownloader.finished.connect(function() {
                 console.log("Finished");
                 downloadFinished();
+                downloading = false;
             });
 
             fileDownloader.downloadProgress.connect(function(bytesReceived, bytesTotal) {
@@ -33,6 +42,7 @@ Item {
         }
         else {
             downloadFailed();
+             downloading = false;
         }
 
     }
@@ -51,4 +61,16 @@ Item {
         }
     }
 
+    Connections {
+        target: UserClient
+        onArchiveEvent: function(event) {
+            console.log("ArchiveEvent: ", event)
+            if (event.status === 2){
+                // Completed - start download!
+                url = event.archiveUrl;
+                downloadFile();
+            }
+        }
+    }
+
 }
diff --git a/Frontend/DashboardsViewer/content/delegates/ParticipantDelegate.qml b/Frontend/DashboardsViewer/content/delegates/ParticipantDelegate.qml
index ed9efba..206ff11 100644
--- a/Frontend/DashboardsViewer/content/delegates/ParticipantDelegate.qml
+++ b/Frontend/DashboardsViewer/content/delegates/ParticipantDelegate.qml
@@ -1,6 +1,8 @@
 import QtQuick 2.15
 import QtQuick.Controls 2.15
 import QtQuick.Layouts 2.15
+import QtQuick.Dialogs
+import QtCore
 
 import DashboardsViewer
 import "../widgets"
@@ -151,8 +153,17 @@ BaseDelegate {
             visible: showDownloadAssets
             imgPath: "../images/icons/data.png"
             onClicked: {
-                console.log("Download");
-                fileDownloader.downloadParticipantArchive(model[model.dataSource.fieldIdName])
+                if (dashboardViewerApp.isWebAssembly()) {
+                    //This will use the browser download function. Download UI is provided by browser.
+                    fileDownloader.filename = model[model.dataSource.fieldName]
+
+                    //DownloadFile returnes a null object in WebASM
+                    fileDownloader.downloadParticipantArchive(model[model.dataSource.fieldIdName])
+                } else {
+                    //console.log('WebAssembly is not supported');
+                    saveFileDialog.open();
+                }
+
             }
         }
     }
@@ -161,6 +172,19 @@ BaseDelegate {
         id: fileDownloader
     }
 
+    FileDialog {
+        id: saveFileDialog
+        nameFilters: ["Zip files (*.zip)"]
+        defaultSuffix: ".zip"
+        fileMode: FileDialog.SaveFile
+        //URL
+        currentFolder: StandardPaths.writableLocation(StandardPaths.DownloadLocation)
+        selectedFile: currentFolder + "/participant.zip" //model[model.dataSource.fieldDisplayName] + ".zip"
+        onAccepted: function() {
+            fileDownloader.filename = saveFileDialog.currentFile;
+            fileDownloader.downloadParticipantArchive(model[model.dataSource.fieldIdName])
+        }
+     }
 
 
 }