adding backend of loading a file

src/filemanager.cpp

@@ -1,6 +1,9 @@
 #include "filemanager.h"
 #include <ktar.h>
 #include <KCompressionDevice>
+#include <KArchiveDirectory>
+#include <KArchiveFile>
+#include <KArchiveEntry>
 #include <QDebug>
 #include <QJsonArray>
 #include <QJsonObject>
@@ -70,11 +73,11 @@ bool File::save(QUrl file, QVariantList serviceList) {
     qDebug() << "AUDIO IS: " << item.value("audio").toString();
     QFileInfo audioFile = item.value("audio").toString();
     qDebug() << audioFile.fileName();
-    item["audio"] = audioFile.fileName();
+    item["flatAudio"] = audioFile.fileName();
     qDebug() << "AUDIO IS NOW: " << item.value("audio").toString();
 
     QFileInfo backgroundFile = item.value("background").toString();
-    item["background"] = backgroundFile.fileName();
+    item["flatBackground"] = backgroundFile.fileName();
     qDebug() << "BACKGRUOND IS: " << item.value("background").toString();
     // qDebug() << serviceList[i].value();
     QJsonObject obj = QJsonObject::fromVariantMap(item);
@@ -83,11 +86,7 @@ bool File::save(QUrl file, QVariantList serviceList) {
   }
 
   qDebug() << jsonData;
-
   QJsonDocument jsonText(jsonData);
-
-  QDir dir;
-  dir.mkpath("/tmp/presenter");
   QTemporaryFile jsonFile;
 
   if (!jsonFile.exists())
@@ -106,20 +105,19 @@ bool File::save(QUrl file, QVariantList serviceList) {
   QString filename = file.toString().right(file.toString().size() - 7);
   qDebug() << filename;
 
-  KCompressionDevice dev(filename, KCompressionDevice::Zstd);
-  if (!dev.open(QIODevice::WriteOnly)) {
-    qDebug() << dev.isOpen();
-    return false;
-  }
+  // KCompressionDevice dev(filename, KCompressionDevice::Zstd);
+  // if (!dev.open(QIODevice::WriteOnly)) {
+  //   qDebug() << dev.isOpen();
+  //   return false;
+  // }
   KTar tar(filename, "application/zstd");
 
-  if (!tar.open(QIODevice::WriteOnly)) {
+  if (tar.open(QIODevice::WriteOnly)) {
     qDebug() << tar.isOpen();
-    return false;
-  }
 
     //write our json data to the archive
-  tar.writeFile("servicelist.json",jsonText.toJson());
+    tar.writeFile("servicelist.json",
+                  jsonText.toJson());
 
     //let's add the backgrounds and audios to the archive
     for (int i = 0; i < serviceList.size(); i++) {
@@ -143,8 +141,47 @@ bool File::save(QUrl file, QVariantList serviceList) {
 
     //close the archive so that everything is done
     tar.close();
-  dev.close();
-
-  
+    // dev.close();
     return true;
   }
+
+
+  
+  return false;
+}
+
+QVariantList File::load(QUrl file) {
+  qDebug() << "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@";
+  qDebug() << "Loading...";
+  qDebug() << "File path is: " << file.toString();
+  qDebug() << "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@";
+
+
+  QString fileUrl = file.toString().right(file.toString().size() - 7);
+  KTar tar(fileUrl);
+
+  if (tar.open(QIODevice::ReadOnly)){
+    qDebug() << tar.isOpen();
+    const KArchiveDirectory *dir = tar.directory();
+
+    const KArchiveEntry *e = dir->entry("servicelist.json");
+    if (!e) {
+      qDebug() << "File not found!";
+    }
+    const KArchiveFile *f = static_cast<const KArchiveFile *>(e);
+    QByteArray arr(f->data());
+    QJsonDocument jsonText = QJsonDocument::fromJson(arr);
+    qDebug() << jsonText; // the file contents
+
+    QJsonArray array = jsonText.array();
+
+    QVariantList serviceList = array.toVariantList();
+    qDebug() << serviceList;
+    return serviceList;
+
+  }
+
+  QVariantList blankList;
+  return blankList;
+
+}

src/filemanager.h

@@ -25,6 +25,7 @@ public:
   Q_INVOKABLE void setFilePath(QString filePath);
 
   Q_INVOKABLE bool save(QUrl file, QVariantList serviceList);
+  Q_INVOKABLE QVariantList load(QUrl file);
 
 signals:
     Q_INVOKABLE void nameChanged(QString name);

src/qml/main.qml

@@ -35,7 +35,10 @@ Kirigami.ApplicationWindow {
             title: qsTr("File")
             Controls.MenuItem { text: qsTr("New...") }
             Controls.MenuItem { text: qsTr("Open...") }
-            Controls.MenuItem { text: qsTr("Save") }
+            Controls.MenuItem {
+                text: qsTr("Save")
+                onTriggered: saveFileDialog.open()
+            }
             Controls.MenuItem { text: qsTr("Save As...") }
             Controls.MenuSeparator { }
             Controls.MenuItem { text: qsTr("Quit") }
@@ -67,7 +70,11 @@ Kirigami.ApplicationWindow {
             Labs.Menu {
                 title: qsTr("File")
                 Labs.MenuItem { text: qsTr("New...") }
-                Labs.MenuItem { text: qsTr("Open...") }
+                Labs.MenuItem {
+                    text: qsTr("Open...")
+                    shortcut: "Ctrl+O"
+                    onTriggered: loadFileDialog.open()
+                }
                 Labs.MenuItem {
                     text: qsTr("Save")
                     shortcut: "Ctrl+S"
@@ -118,6 +125,21 @@ Kirigami.ApplicationWindow {
         }
     }
 
+    FileDialog {
+        id: loadFileDialog
+        title: "Load"
+        folder: shortcuts.home
+        /* fileMode: FileDialog.SaveFile */
+        defaultSuffix: ".pres"
+        selectExisting: true
+        onAccepted: {
+            load(loadFileDialog.fileUrl);
+        }
+        onRejected: {
+            print("Canceled")
+        }
+    }
+
     function toggleEditMode() {
         editMode = !editMode;
         mainPage.editSwitch();
@@ -138,13 +160,22 @@ Kirigami.ApplicationWindow {
 
     function save(file) {
         const saved = FileManager.save(file, mainPage.serviceItems.getItems());
-        saved ? showPassiveNotification("SAVED! " + file) : showPassiveNotification("FAILED!");
+        saved ? showPassiveNotification("SAVED! " + file)
+            : showPassiveNotification("FAILED!");
     }
 
     function saveAs() {
         
     }
 
+    function load(file) {
+        const loaded = FileManager.load(file);
+        loaded ? showPassiveNotification("Loaded: " + file)
+            : showPassiveNotification("FAILED!");
+        print("Number of items: " + loaded.length);
+        print(loaded[0].audio);
+    }
+
     Component.onCompleted: {
         /* showPassiveNotification(Kirigami.Settings.style); */
         /* Kirigami.Settings.style = "Plasma"; */