From 00e6f25071c376ac863ae9bf7124df51652633ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20Qui=C3=B1ones?= <manuel.por.aca@gmail.com>
Date: Fri, 6 Sep 2019 11:43:01 -0300
Subject: [PATCH] system: Add method to check if an app is installed

This is implemented as a workaround for now, checking the output of
the flatpak command.

https://github.com/flatpak/xdg-desktop-portal/issues/283
---
 eosclubhouse/system.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/eosclubhouse/system.py b/eosclubhouse/system.py
index c3a8b23d0..8aa61ce33 100644
--- a/eosclubhouse/system.py
+++ b/eosclubhouse/system.py
@@ -21,6 +21,7 @@
 import configparser
 import os
 import shutil
+import subprocess
 import time
 
 from eosclubhouse import logger
@@ -438,6 +439,15 @@ def get_gtk_launch_app_proxy(self):
     def is_running(self):
         return self.get_gtk_app_proxy().props.g_name_owner is not None
 
+    def is_installed(self):
+        '''Check if the app is installed.
+
+        Note: This only works for apps distributed as flatpaks.
+        '''
+        result = subprocess.run(['/usr/bin/flatpak-spawn', '--host',
+                                 'flatpak', 'info', '--show-ref', self.dbus_name])
+        return result.returncode == 0
+
     def get_object_property(self, obj, prop):
         return self.get_clippy_proxy().Get('(ss)', obj, prop)