move check for if plugin was installed to the start of the function (#715)

backend/decky_loader/browser.py

@@ -157,8 +157,16 @@ class PluginBrowser:
         # Will be set later in code
         res_zip = None
 
-        # Check if plugin is installed
+        # Check if plugin was already installed before this
         isInstalled = False
+
+        try:
+            pluginFolderPath = self.find_plugin_folder(name)
+            if pluginFolderPath:
+                isInstalled = True
+        except:
+            logger.error(f"Failed to determine if {name} is already installed, continuing anyway.")
+
         # Preserve plugin order before removing plugin (uninstall alters the order and removes the plugin from the list)
         current_plugin_order = self.settings.getSetting("pluginOrder")[:]
         if self.loader.watcher:
@@ -213,14 +221,19 @@ class PluginBrowser:
                     return
 
                 else:
-                    name = sub(r"/.+$", "", plugin_json_list[0])
-
-        try:
-            pluginFolderPath = self.find_plugin_folder(name)
-            if pluginFolderPath:
-                isInstalled = True
-        except:
-            logger.error(f"Failed to determine if {name} is already installed, continuing anyway.")
+                    plugin_json_file = plugin_json_list[0]
+                    name = sub(r"/.+$", "", plugin_json_file)
+                    try:
+                        with plugin_zip.open(plugin_json_file) as f:
+                            plugin_json_data = json.loads(f.read().decode('utf-8'))
+                            plugin_name_from_plugin_json = plugin_json_data.get('name')
+                            if plugin_name_from_plugin_json and plugin_name_from_plugin_json.strip():
+                                logger.info(f"Extracted plugin name from {plugin_json_file}: {plugin_name_from_plugin_json}")
+                                name = plugin_name_from_plugin_json
+                            else:
+                                logger.warning(f"Nonexistent or invalid 'name' key value in {plugin_json_file}. Falling back to extracting from path.")
+                    except Exception as e:
+                        logger.error(f"Failed to read or parse {plugin_json_file}: {str(e)}. Falling back to extracting from path.")
 
         # Check to make sure we got the file
         if res_zip is None: