update room and global avatar through user profile

resources/qml/UserProfile.qml

@@ -31,7 +31,7 @@ ApplicationWindow {
             displayName: profile.displayName
             userid: profile.userid
             Layout.alignment: Qt.AlignHCenter
-            onClicked: TimelineManager.openImageOverlay(TimelineManager.timeline.avatarUrl(userid), TimelineManager.timeline.data.id)
+            onClicked: profile.isSelf ? profile.changeAvatar() : TimelineManager.openImageOverlay(TimelineManager.timeline.avatarUrl(userid), TimelineManager.timeline.data.id)
         }
 
         TextInput {

src/ui/UserProfile.cpp

@@ -1,14 +1,17 @@
-#include "UserProfile.h"
+#include <QFileDialog>
+#include <QImageReader>
+#include <QMimeDatabase>
+#include <QStandardPaths>
+
 #include "Cache_p.h"
 #include "ChatPage.h"
 #include "DeviceVerificationFlow.h"
 #include "Logging.h"
+#include "UserProfile.h"
 #include "Utils.h"
 #include "mtx/responses/crypto.hpp"
 #include "timeline/TimelineModel.h"
 #include "timeline/TimelineViewManager.h"
-#include <mtx/responses.hpp>
-#include <mtx/responses/common.hpp>
 
 UserProfile::UserProfile(QString roomid,
                          QString userid,
@@ -260,15 +263,7 @@ UserProfile::changeUsername(QString username)
                     .toStdString();
                 member.membership = mtx::events::state::Membership::Join;
 
-                http::client()->send_state_event(
-                  roomid_.toStdString(),
-                  http::client()->user_id().to_string(),
-                  member,
-                  [](mtx::responses::EventId, mtx::http::RequestErr err) {
-                          if (err)
-                                  nhlog::net()->error("Failed to set room displayname: {}",
-                                                      err->matrix_error.error);
-                  });
+                updateRoomMemberState(std::move(member));
         }
 }
 
@@ -293,4 +288,88 @@ UserProfile::setGlobalUsername(const QString &globalUser)
 {
         globalUsername = globalUser;
         emit displayNameChanged();
+}
+
+void
+UserProfile::changeAvatar()
+{
+        const QString picturesFolder =
+          QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
+        const QString fileName = QFileDialog::getOpenFileName(
+          nullptr, tr("Select an avatar"), picturesFolder, tr("All Files (*)"));
+
+        if (fileName.isEmpty())
+                return;
+
+        QMimeDatabase db;
+        QMimeType mime = db.mimeTypeForFile(fileName, QMimeDatabase::MatchContent);
+
+        const auto format = mime.name().split("/")[0];
+
+        QFile file{fileName, this};
+        if (format != "image") {
+                // displayErrorMessage(tr("The selected file is not an image"));
+                return;
+        }
+
+        if (!file.open(QIODevice::ReadOnly)) {
+                // displayErrorMessage(tr("Error while reading file: %1").arg(file.errorString()));
+                return;
+        }
+
+        const auto bin        = file.peek(file.size());
+        const auto payload    = std::string(bin.data(), bin.size());
+        const auto dimensions = QImageReader(&file).size();
+
+        // First we need to create a new mxc URI
+        // (i.e upload media to the Matrix content repository) for the new avatar.
+        http::client()->upload(
+          payload,
+          mime.name().toStdString(),
+          QFileInfo(fileName).fileName().toStdString(),
+          [this,
+           dimensions,
+           payload,
+           mimetype = mime.name().toStdString(),
+           size     = payload.size(),
+           room_id  = roomid_.toStdString(),
+           content  = std::move(bin)](const mtx::responses::ContentURI &res,
+                                     mtx::http::RequestErr err) {
+                  if (err) {
+                          nhlog::ui()->error("Failed to upload image", err->matrix_error.error);
+                          return;
+                  }
+
+                  if (isGlobalUserProfile()) {
+                          http::client()->set_avatar_url(
+                            res.content_uri, [](mtx::http::RequestErr err) {
+                                    if (err) {
+                                            nhlog::ui()->error("Failed to set user avatar url",
+                                                               err->matrix_error.error);
+                                    }
+                            });
+                  } else {
+                          // change room username
+                          mtx::events::state::Member member;
+                          member.display_name = cache::displayName(roomid_, userid_).toStdString();
+                          member.avatar_url   = res.content_uri;
+                          member.membership   = mtx::events::state::Membership::Join;
+
+                          updateRoomMemberState(std::move(member));
+                  }
+          });
+}
+
+void
+UserProfile::updateRoomMemberState(mtx::events::state::Member member)
+{
+        http::client()->send_state_event(roomid_.toStdString(),
+                                         http::client()->user_id().to_string(),
+                                         member,
+                                         [](mtx::responses::EventId, mtx::http::RequestErr err) {
+                                                 if (err)
+                                                         nhlog::net()->error(
+                                                           "Failed to update room member state : ",
+                                                           err->matrix_error.error);
+                                         });
 }

src/ui/UserProfile.h

@@ -4,6 +4,8 @@
 #include <QObject>
 #include <QString>
 #include <QVector>
+#include <mtx/responses.hpp>
+#include <mtx/responses/common.hpp>
 
 namespace verification {
 Q_NAMESPACE
@@ -112,6 +114,7 @@ public:
         Q_INVOKABLE void kickUser();
         Q_INVOKABLE void startChat();
         Q_INVOKABLE void changeUsername(QString username);
+        Q_INVOKABLE void changeAvatar();
 
 signals:
         void userStatusChanged();
@@ -121,6 +124,9 @@ signals:
 protected slots:
         void setGlobalUsername(const QString &globalUser);
 
+private:
+        void updateRoomMemberState(mtx::events::state::Member member);
+
 private:
         QString roomid_, userid_;
         QString globalUsername;