Show some avatar for image packs

resources/qml/dialogs/ImagePackEditorDialog.qml

@@ -148,6 +148,27 @@ ApplicationWindow {
                         width: 130
                         crop: false
                         Layout.alignment: Qt.AlignHCenter
+
+                        ImageButton {
+                            hoverEnabled: true
+                            ToolTip.visible: hovered
+                            ToolTip.text: qsTr("Change the overview image for this pack")
+                            anchors.left: parent.left
+                            anchors.top: parent.top
+                            anchors.leftMargin: Nheko.paddingMedium
+                            anchors.topMargin: Nheko.paddingMedium
+                            image: ":/icons/icons/ui/edit.svg"
+                            onClicked: addAvatarDialog.open()
+
+                            FileDialog {
+                                id: addAvatarDialog
+
+                                folder: StandardPaths.writableLocation(StandardPaths.PicturesLocation)
+                                fileMode: FileDialog.OpenFile
+                                nameFilters: [qsTr("Overview Image (*.png *.webp *.jpg *.jpeg)")]
+                                onAccepted: imagePack.setAvatar(file)
+                            }
+                        }
                     }
 
                     MatrixText {

src/SingleImagePackModel.cpp

@@ -33,6 +33,7 @@ SingleImagePackModel::SingleImagePackModel(ImagePackInfo pack_, QObject *parent)
         shortcodes.push_back(e.first);
 
     connect(this, &SingleImagePackModel::addImage, this, &SingleImagePackModel::addImageCb);
+    connect(this, &SingleImagePackModel::avatarUploaded, this, &SingleImagePackModel::setAvatarUrl);
 }
 
 int
@@ -215,6 +216,17 @@ SingleImagePackModel::setAvatarUrl(QString val)
     }
 }
 
+QString
+SingleImagePackModel::avatarUrl() const
+{
+    if (!pack.pack->avatar_url.empty())
+        return QString::fromStdString(pack.pack->avatar_url);
+    else if (!pack.images.empty())
+        return QString::fromStdString(pack.images.begin()->second.url);
+    else
+        return "";
+}
+
 void
 SingleImagePackModel::setStatekey(QString val)
 {
@@ -331,6 +343,35 @@ SingleImagePackModel::addStickers(QList<QUrl> files)
     }
 }
 
+void
+SingleImagePackModel::setAvatar(QUrl f)
+{
+    auto file = QFile(f.toLocalFile());
+    if (!file.open(QFile::ReadOnly)) {
+        ChatPage::instance()->showNotification(tr("Failed to open image: %1").arg(f.toLocalFile()));
+        return;
+    }
+
+    auto bytes = file.readAll();
+    auto img   = utils::readImage(bytes);
+
+    auto filename = f.fileName().toStdString();
+    http::client()->upload(
+      bytes.toStdString(),
+      QMimeDatabase().mimeTypeForFile(f.toLocalFile()).name().toStdString(),
+      filename,
+      [this, filename](const mtx::responses::ContentURI &uri, mtx::http::RequestErr e) {
+          if (e) {
+              ChatPage::instance()->showNotification(
+                tr("Failed to upload image: %1")
+                  .arg(QString::fromStdString(e->matrix_error.error)));
+              return;
+          }
+
+          emit avatarUploaded(QString::fromStdString(uri.content_uri));
+      });
+}
+
 void
 SingleImagePackModel::remove(int idx)
 {
@@ -356,4 +397,7 @@ SingleImagePackModel::addImageCb(std::string uri, std::string filename, mtx::com
     shortcodes.push_back(filename);
 
     endInsertRows();
+
+    if (this->pack.pack->avatar_url.empty())
+        this->setAvatarUrl(QString::fromStdString(uri));
 }

src/SingleImagePackModel.h

@@ -49,7 +49,7 @@ public:
     QString statekey() const { return QString::fromStdString(statekey_); }
     QString packname() const { return QString::fromStdString(pack.pack->display_name); }
     QString attribution() const { return QString::fromStdString(pack.pack->attribution); }
-    QString avatarUrl() const { return QString::fromStdString(pack.pack->avatar_url); }
+    QString avatarUrl() const;
     bool isStickerPack() const { return pack.pack->is_sticker(); }
     bool isEmotePack() const { return pack.pack->is_emoji(); }
 
@@ -67,6 +67,7 @@ public:
     Q_INVOKABLE void save();
     Q_INVOKABLE void addStickers(QList<QUrl> files);
     Q_INVOKABLE void remove(int index);
+    Q_INVOKABLE void setAvatar(QUrl file);
 
 signals:
     void globallyEnabledChanged();
@@ -78,6 +79,7 @@ signals:
     void isStickerPackChanged();
 
     void addImage(std::string uri, std::string filename, mtx::common::ImageInfo info);
+    void avatarUploaded(QString uri);
 
 private slots:
     void addImageCb(std::string uri, std::string filename, mtx::common::ImageInfo info);