Allow the avatar to be changed

This Merge Request allows an avatar to be set through the userEditSheet
The parts in controller.cpp decode the url and check whether the image
is valid, through qimagereader.

imports/NeoChat/Page/AccountsPage.qml

@@ -7,10 +7,12 @@
 import QtQuick 2.14
 import QtQuick.Controls 2.14 as Controls
 import QtQuick.Layouts 1.14
+import Qt.labs.platform 1.1
 
-import org.kde.kirigami 2.12 as Kirigami
+import org.kde.kirigami 2.13 as Kirigami
 
 import org.kde.neochat 1.0
+import NeoChat.Dialog 1.0
 
 Kirigami.ScrollablePage {
     title: i18n("Accounts")
@@ -29,7 +31,7 @@ Kirigami.ScrollablePage {
 
                 text: model.user.displayName
                 subtitle: model.user.id
-                icon: model.connection.user.avatarMediaId ? "image://mxc/" + model.connection.user.avatarMediaId : "im-user"
+                icon: model.user.avatarMediaId ? ("image://mxc/" + model.user.avatarMediaId) : "im-user"
 
                 onClicked: {
                     Controller.activeConnection = model.connection
@@ -80,6 +82,14 @@ Kirigami.ScrollablePage {
         onTriggered: pageStack.layers.push("qrc:/imports/NeoChat/Page/WelcomePage.qml")
     }
 
+    Component {
+        id: openFileDialog
+
+        OpenFileDialog {
+            folder: StandardPaths.writableLocation(StandardPaths.PicturesLocation)
+        }
+    }
+
     Kirigami.OverlaySheet {
         id: userEditSheet
 
@@ -91,6 +101,32 @@ Kirigami.ScrollablePage {
 
         Kirigami.FormLayout {
             anchors.top: passwordsMessage.bottom
+            RowLayout {
+                Kirigami.Avatar {
+                    id: avatar
+                    source: userEditSheet.connection.localUser.avatarMediaId ? ("image://mxc/" + userEditSheet.connection.localUser.avatarMediaId) : ""
+
+                    MouseArea {
+                        anchors.fill: parent
+                        onClicked: {
+                            const fileDialog = openFileDialog.createObject(Controls.ApplicationWindow.Overlay)
+
+                            fileDialog.chosen.connect(function(receivedSource) {
+                                if (!receivedSource) return
+                                parent.source = receivedSource
+                            })
+                            fileDialog.open()
+                        }
+                    }
+                }
+                Controls.Button {
+                    visible: avatar.source.length !== 0
+                    icon.name: "edit-clear"
+
+                    onClicked: avatar.source = ""
+                }
+                Kirigami.FormData.label: i18n("Avatar:")
+            }
             Controls.TextField {
                 id: name
                 text: userEditSheet.connection.localUser.displayName
@@ -113,23 +149,37 @@ Kirigami.ScrollablePage {
                 echoMode: TextInput.Password
             }
 
-            Controls.Button {
-                text: i18n("Save")
-                onClicked: {
-                    if(userEditSheet.connection.localUser.displayName !== name.text)
-                        userEditSheet.connection.localUser.rename(name.text)
-                    if(currentPassword.text !== "" && newPassword.text !== "" && confirmPassword.text !== "") {
-                        if(newPassword.text === confirmPassword.text) {
-                            Controller.changePassword(userEditSheet.connection, currentPassword.text, newPassword.text)
-                        } else {
-                            showPassiveNotification(i18n("Passwords do not match"))
-                            return
+            RowLayout {
+                Controls.Button {
+                    text: i18n("Save")
+                    onClicked: {
+                        if(!Controller.setAvatar(userEditSheet.connection, avatar.source))
+                            showPassiveNotification("The Avatar could not be set")
+                        if(userEditSheet.connection.localUser.displayName !== name.text)
+                            userEditSheet.connection.localUser.rename(name.text)
+                        if(currentPassword.text !== "" && newPassword.text !== "" && confirmPassword.text !== "") {
+                            if(newPassword.text === confirmPassword.text) {
+                                Controller.changePassword(userEditSheet.connection, currentPassword.text, newPassword.text)
+                            } else {
+                                showPassiveNotification(i18n("Passwords do not match"))
+                                return
+                            }
                         }
+                        userEditSheet.close()
+                        currentPassword.text = ""
+                        newPassword.text = ""
+                        confirmPassword.text = ""
+                    }
+                }
+                Controls.Button {
+                    text: i18n("Cancel")
+                    onClicked: {
+                        userEditSheet.close()
+                        avatar.source = userEditSheet.connection.localUser.avatarMediaId ? ("image://mxc/" + userEditSheet.connection.localUser.avatarMediaId) : ""
+                        currentPassword.text = ""
+                        newPassword.text = ""
+                        confirmPassword.text = ""
                     }
-                    userEditSheet.close()
-                    currentPassword.text = ""
-                    newPassword.text = ""
-                    confirmPassword.text = ""
                 }
             }
         }

src/controller.cpp

@@ -441,6 +441,22 @@ void Controller::changePassword(Connection *connection, const QString &currentPa
     });
 }
 
+bool Controller::setAvatar(Connection *connection, const QUrl &avatarSource)
+{
+    User *localUser = connection->user();
+    QString decoded = avatarSource.path();
+    if (decoded.isEmpty()) {
+        connection->callApi<SetAvatarUrlJob>(localUser->id(), "");
+        return true;
+    }
+    if (QImageReader(decoded).read().isNull()) {
+        return false;
+    }
+    else {
+        return localUser->setAvatar(decoded);
+    }
+}
+
 NeochatChangePasswordJob::NeochatChangePasswordJob(const QString &newPassword, bool logoutDevices, const Omittable<QJsonObject> &auth)
     : BaseJob(HttpVerb::Post, QStringLiteral("ChangePasswordJob"), QStringLiteral("/_matrix/client/r0") % "/account/password")
 {

src/controller.h

@@ -50,6 +50,8 @@ public:
 
     Q_INVOKABLE void changePassword(Quotient::Connection *connection, const QString &currentPassword, const QString &newPassword);
 
+    Q_INVOKABLE bool setAvatar(Quotient::Connection *connection, const QUrl &avatarSource);
+
     [[nodiscard]] int accountCount() const;
 
     [[nodiscard]] static bool quitOnLastWindowClosed();