Remove deleted projects from project manager

Signed-off-by: pconroy <pconroy@amazon.com>

Code/Tools/ProjectManager/Source/ProjectsScreen.cpp

@@ -119,6 +119,8 @@ namespace O3DE::ProjectManager
 
     QFrame* ProjectsScreen::CreateProjectsContent(QString buildProjectPath, ProjectButton** projectButton)
     {
+        RemoveInvalidProjects();
+
         QFrame* frame = new QFrame(this);
         frame->setObjectName("projectsContent");
         {
@@ -481,6 +483,11 @@ namespace O3DE::ProjectManager
         return displayFirstTimeContent;
     }
 
+    void ProjectsScreen::RemoveInvalidProjects()
+    {
+        PythonBindingsInterface::Get()->RemoveInvalidProjects();
+    }
+
     void ProjectsScreen::StartProjectBuild(const ProjectInfo& projectInfo)
     {
         if (ProjectUtils::IsVS2019Installed())

Code/Tools/ProjectManager/Source/ProjectsScreen.h

@@ -59,6 +59,7 @@ namespace O3DE::ProjectManager
         ProjectButton* CreateProjectButton(ProjectInfo& project, QLayout* flowLayout, bool processing = false);
         void ResetProjectsContent();
         bool ShouldDisplayFirstTimeContent();
+        void RemoveInvalidProjects();
 
         void StartProjectBuild(const ProjectInfo& projectInfo);
         QList<ProjectInfo>::iterator RequiresBuildProjectIterator(const QString& projectPath);

Code/Tools/ProjectManager/Source/PythonBindings.cpp

@@ -755,6 +755,15 @@ namespace O3DE::ProjectManager
         });
     }
 
+    void PythonBindings::RemoveInvalidProjects()
+    {
+        ExecuteWithLockErrorHandling(
+            [&]
+            {
+                m_register.attr("remove_invalid_o3de_projects")();
+            });
+    }
+
     AZ::Outcome<void, AZStd::string> PythonBindings::UpdateProject(const ProjectInfo& projectInfo)
     {
         bool updateProjectSucceeded = false;

Code/Tools/ProjectManager/Source/PythonBindings.h

@@ -50,6 +50,7 @@ namespace O3DE::ProjectManager
         AZ::Outcome<void, AZStd::string> UpdateProject(const ProjectInfo& projectInfo) override;
         AZ::Outcome<void, AZStd::string> AddGemToProject(const QString& gemPath, const QString& projectPath) override;
         AZ::Outcome<void, AZStd::string> RemoveGemFromProject(const QString& gemPath, const QString& projectPath) override;
+        void RemoveInvalidProjects() override;
 
         // ProjectTemplate
         AZ::Outcome<QVector<ProjectTemplateInfo>> GetProjectTemplates(const QString& projectPath = {}) override;

Code/Tools/ProjectManager/Source/PythonBindingsInterface.h

@@ -141,6 +141,11 @@ namespace O3DE::ProjectManager
          */
         virtual AZ::Outcome<void, AZStd::string> RemoveGemFromProject(const QString& gemPath, const QString& projectPath) = 0;
 
+        /**
+         * Removes invalid projects from the manifest
+         */
+        virtual void RemoveInvalidProjects() = 0;
+
 
         // Project Templates
 

scripts/o3de/o3de/register.py

@@ -404,6 +404,7 @@ def register_project_path(json_data: dict,
     if result != 0:
         return result
 
+    if not remove:
         # registering a project has the additional step of setting the project.json 'engine' field
         this_engine_json = manifest.get_engine_json_data(engine_path=manifest.get_this_engine_path())
         if not this_engine_json:
@@ -657,6 +658,13 @@ def register(engine_path: pathlib.Path = None,
 
     return result
 
+def remove_invalid_o3de_projects() -> None:
+    json_data = manifest.load_o3de_manifest()
+
+    for project in json_data['projects']:
+        if not validation.valid_o3de_project_json(pathlib.Path(project).resolve() / 'project.json'):
+            logger.warn(f"Project path {project} is invalid.")
+            register(project_path=pathlib.Path(project), remove=True)
 
 def remove_invalid_o3de_objects() -> None:
     json_data = manifest.load_o3de_manifest()
@@ -667,10 +675,7 @@ def remove_invalid_o3de_objects() -> None:
             logger.warn(f"Engine path {engine_path} is invalid.")
             register(engine_path=engine_path, remove=True)
 
-    for project in json_data['projects']:
-        if not validation.valid_o3de_project_json(pathlib.Path(project).resolve() / 'project.json'):
-            logger.warn(f"Project path {project} is invalid.")
-            register(project_path=project, remove=True)
+    remove_invalid_o3de_projects()
 
     for gem in json_data['gems']:
         if not validation.valid_o3de_gem_json(pathlib.Path(gem).resolve() / 'gem.json'):