fix: 修复默认程序里无法添加新下载的应用和系统应用问题

api/dbus/org.desktopspec.ApplicationManager1.Application.xml

@@ -163,6 +163,8 @@
 
         <property name="isOnDesktop" type="b" access="read"/>
 
+        <property name="X_Deepin_CreateBy" type="s" access="read"/>
+
         <method name="SendToDesktop">
             <arg type="b" name="success" direction="out"/>
         </method>

api/dbus/org.desktopspec.ApplicationManager1.xml

@@ -45,5 +45,12 @@
                       "
             />
         </method>
+        <method name="deleteUserApplication">
+            <arg type="s" name="app_id" direction="in" />
+            <annotation
+                name="org.freedesktop.DBus.Description"
+                value="Delete a user application by app_id."
+            />
+        </method>
     </interface>
 </node>

src/dbus/applicationmanager1service.cpp

@@ -878,5 +878,50 @@ QString ApplicationManager1Service::addUserApplication(const QVariantMap &deskto
         return {};
     }
 
+    m_mimeManager->updateMimeCache(dir);
+
     return appId;
 }
+
+
+void ApplicationManager1Service::deleteUserApplication(const QString &app_id) noexcept
+{ 
+    if (app_id.isEmpty()) {
+        safe_sendErrorReply(QDBusError::Failed, "app id name is empty.");
+        return;
+    }
+
+    QDir xdgDataHome;
+    QString dir{getXDGDataHome() + "/applications"};
+    if (!xdgDataHome.mkpath(dir)) {
+        safe_sendErrorReply(QDBusError::Failed, "couldn't create directory of user applications.");
+        return;
+    }
+
+    xdgDataHome.setPath(dir);
+    const auto &filePath = xdgDataHome.filePath(app_id+".desktop");
+
+    if (QFileInfo info{filePath}; !info.exists() || !info.isFile()) {
+        safe_sendErrorReply(QDBusError::Failed, QString{"file not exists:%1"}.arg(info.absoluteFilePath()));
+        return;
+    }
+
+/*
+    auto apps = findApplicationsByIds({app_id});
+    if (apps.isEmpty()) {
+        qWarning() << "we can't find corresponding application in ApplicationManagerService.";
+    }
+
+    for (const auto &app : apps) {
+        app->setMimeTypes({});
+    }
+*/
+    if (!QFile::remove(filePath)) {
+        safe_sendErrorReply(QDBusError::Failed, "remove file failed.");
+        return;
+    }
+
+    m_mimeManager->updateMimeCache(dir);
+
+    return;
+}

src/dbus/applicationmanager1service.h

@@ -63,6 +63,7 @@ public Q_SLOTS:
                      ObjectInterfaceMap &application_instance_info) const noexcept;
     void ReloadApplications();
     QString addUserApplication(const QVariantMap &desktop_file, const QString &name) noexcept;
+    void deleteUserApplication(const QString &app_id) noexcept;
     [[nodiscard]] ObjectMap GetManagedObjects() const;
 
 Q_SIGNALS:

src/dbus/applicationservice.cpp

@@ -630,6 +630,11 @@ QString ApplicationService::X_Deepin_Vendor() const noexcept
     return findEntryValue(DesktopFileEntryKey, "X-Deepin-Vendor", EntryValueType::String).toString();
 }
 
+QString ApplicationService::X_Deepin_CreateBy() const noexcept
+{
+    return findEntryValue(DesktopFileEntryKey, "X-Deepin-CreateBy", EntryValueType::String).toString();
+}
+
 bool ApplicationService::terminal() const noexcept
 {
     auto val = findEntryValue(DesktopFileEntryKey, "Terminal", EntryValueType::String);

src/dbus/applicationservice.h

@@ -109,6 +109,9 @@ class ApplicationService : public QObject, protected QDBusContext
     Q_PROPERTY(bool NoDisplay READ noDisplay NOTIFY noDisplayChanged)
     [[nodiscard]] bool noDisplay() const noexcept;
 
+    Q_PROPERTY(QString X_Deepin_CreateBy READ X_Deepin_CreateBy NOTIFY noDisplayChanged)
+    [[nodiscard]] QString X_Deepin_CreateBy() const noexcept;
+
     [[nodiscard]] QDBusObjectPath findInstance(const QString &instanceId) const;
 
     [[nodiscard]] const QString &getLauncher() const noexcept { return m_launcher; }

src/dbus/mimemanager1service.cpp

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
+#include <QProcess>
 
 #include "dbus/mimemanager1adaptor.h"
 #include "applicationmanager1service.h"
@@ -143,3 +144,15 @@ void MimeManager1Service::reset() noexcept
 {
     m_infos.clear();
 }
+
+void MimeManager1Service::updateMimeCache(QString dir) noexcept
+{
+    QProcess process;
+    process.start("update-desktop-database", {dir});
+    process.waitForFinished();
+    auto exitCode = process.exitCode();
+    if (exitCode != 0) {
+        qWarning() << "Launch Application Failed";
+    }
+
+}

src/dbus/mimemanager1service.h

@@ -24,6 +24,7 @@ class MimeManager1Service : public QObject, protected QDBusContext
     [[nodiscard]] const auto &infos() const noexcept { return m_infos; }
     [[nodiscard]] auto &infos() noexcept { return m_infos; }
     void reset() noexcept;
+    void updateMimeCache(QString dir) noexcept;
 
 public Q_SLOTS:
     [[nodiscard]] ObjectMap listApplications(const QString &mimeType) const noexcept;