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kicad/common/settings/settings_manager.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 Jon Evans <jon@craftyjon.com>
* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <regex>
#include <wx/debug.h>
#include <wx/filename.h>
#include <wx/stdpaths.h>
#include <wx/utils.h>
#include <build_version.h>
#include <confirm.h>
#include <dialogs/dialog_migrate_settings.h>
#include <gestfich.h>
#include <kiway.h>
#include <macros.h>
#include <project.h>
#include <project/project_archiver.h>
#include <project/project_file.h>
#include <project/project_local_settings.h>
#include <settings/app_settings.h>
#include <settings/color_settings.h>
#include <settings/common_settings.h>
#include <settings/settings_manager.h>
#include <wildcards_and_files_ext.h>
/**
* Flag to enable settings tracing
* @ingroup trace_env_vars
*/
const char* traceSettings = "SETTINGS";
/// Project settings path will be <projectname> + this
#define PROJECT_BACKUPS_DIR_SUFFIX wxT( "-backups" )
SETTINGS_MANAGER::SETTINGS_MANAGER( bool aHeadless ) :
m_headless( aHeadless ),
m_kiway( nullptr ),
m_common_settings( nullptr ),
m_migration_source()
{
// Check if the settings directory already exists, and if not, perform a migration if possible
if( !MigrateIfNeeded() )
{
m_ok = false;
return;
}
m_ok = true;
// create the common settings shared by all applications. Not loaded immediately
m_common_settings =
static_cast<COMMON_SETTINGS*>( RegisterSettings( new COMMON_SETTINGS, false ) );
loadAllColorSettings();
}
SETTINGS_MANAGER::~SETTINGS_MANAGER()
{
m_settings.clear();
m_color_settings.clear();
m_projects.clear();
}
JSON_SETTINGS* SETTINGS_MANAGER::RegisterSettings( JSON_SETTINGS* aSettings, bool aLoadNow )
{
std::unique_ptr<JSON_SETTINGS> ptr( aSettings );
ptr->SetManager( this );
wxLogTrace( traceSettings, "Registered new settings object <%s>", ptr->GetFullFilename() );
if( aLoadNow )
ptr->LoadFromFile( GetPathForSettingsFile( ptr.get() ) );
m_settings.push_back( std::move( ptr ) );
return m_settings.back().get();
}
void SETTINGS_MANAGER::Load()
{
// TODO(JE) We should check for dirty settings here and write them if so, because
// Load() could be called late in the application lifecycle
for( auto&& settings : m_settings )
settings->LoadFromFile( GetPathForSettingsFile( settings.get() ) );
}
void SETTINGS_MANAGER::Load( JSON_SETTINGS* aSettings )
{
auto it = std::find_if( m_settings.begin(), m_settings.end(),
[&aSettings]( const std::unique_ptr<JSON_SETTINGS>& aPtr )
{
return aPtr.get() == aSettings;
} );
if( it != m_settings.end() )
( *it )->LoadFromFile( GetPathForSettingsFile( it->get() ) );
}
void SETTINGS_MANAGER::Save()
{
for( auto&& settings : m_settings )
{
// Never automatically save color settings, caller should use SaveColorSettings
if( dynamic_cast<COLOR_SETTINGS*>( settings.get() ) )
continue;
settings->SaveToFile( GetPathForSettingsFile( settings.get() ) );
}
}
void SETTINGS_MANAGER::Save( JSON_SETTINGS* aSettings )
{
auto it = std::find_if( m_settings.begin(), m_settings.end(),
[&aSettings]( const std::unique_ptr<JSON_SETTINGS>& aPtr )
{
return aPtr.get() == aSettings;
} );
if( it != m_settings.end() )
{
wxLogTrace( traceSettings, "Saving %s", ( *it )->GetFullFilename() );
( *it )->SaveToFile( GetPathForSettingsFile( it->get() ) );
}
}
void SETTINGS_MANAGER::FlushAndRelease( JSON_SETTINGS* aSettings, bool aSave )
{
auto it = std::find_if( m_settings.begin(), m_settings.end(),
[&aSettings]( const std::unique_ptr<JSON_SETTINGS>& aPtr )
{
return aPtr.get() == aSettings;
} );
if( it != m_settings.end() )
{
wxLogTrace( traceSettings, "Flush and release %s", ( *it )->GetFullFilename() );
if( aSave )
( *it )->SaveToFile( GetPathForSettingsFile( it->get() ) );
m_settings.erase( it );
}
}
COLOR_SETTINGS* SETTINGS_MANAGER::GetColorSettings( const wxString& aName )
{
if( m_color_settings.count( aName ) )
return m_color_settings.at( aName );
COLOR_SETTINGS* ret = nullptr;
if( !aName.empty() )
ret = loadColorSettingsByName( aName );
// This had better work
if( !ret )
ret = m_color_settings.at( "user" );
return ret;
}
COLOR_SETTINGS* SETTINGS_MANAGER::loadColorSettingsByName( const wxString& aName )
{
wxLogTrace( traceSettings, "Attempting to load color theme %s", aName );
wxFileName fn( GetColorSettingsPath(), aName, "json" );
if( !fn.IsOk() || !fn.Exists() )
{
wxLogTrace( traceSettings, "Theme file %s.json not found, falling back to user", aName );
return nullptr;
}
auto cs = static_cast<COLOR_SETTINGS*>(
RegisterSettings( new COLOR_SETTINGS( aName.ToStdString() ) ) );
if( cs->GetFilename() != aName.ToStdString() )
{
wxLogTrace( traceSettings, "Warning: stored filename is actually %s, ", cs->GetFilename() );
}
m_color_settings[aName] = cs;
return cs;
}
class COLOR_SETTINGS_LOADER : public wxDirTraverser
{
private:
std::function<void( const wxString& )> m_action;
public:
explicit COLOR_SETTINGS_LOADER( std::function<void( const wxString& )> aAction )
: m_action( std::move( aAction ) )
{
}
wxDirTraverseResult OnFile( const wxString& aFilePath ) override
{
wxFileName file( aFilePath );
if( file.GetExt() != "json" )
return wxDIR_CONTINUE;
if( file.GetName() == "user" )
return wxDIR_CONTINUE;
m_action( file.GetName() );
return wxDIR_CONTINUE;
}
wxDirTraverseResult OnDir( const wxString& dirPath ) override
{
return wxDIR_IGNORE;
}
};
void SETTINGS_MANAGER::registerColorSettings( const wxString& aFilename )
{
if( m_color_settings.count( aFilename ) )
return;
m_color_settings[aFilename] = static_cast<COLOR_SETTINGS*>(
RegisterSettings( new COLOR_SETTINGS( aFilename ) ) );
}
COLOR_SETTINGS* SETTINGS_MANAGER::AddNewColorSettings( const wxString& aFilename )
{
wxString filename = aFilename;
if( filename.EndsWith( wxT( ".json" ) ) )
filename = filename.BeforeLast( '.' );
registerColorSettings( filename );
return m_color_settings[filename];
}
void SETTINGS_MANAGER::loadAllColorSettings()
{
// Create the default color settings
registerColorSettings( "user" );
// Search for and load any other settings
COLOR_SETTINGS_LOADER loader( [&]( const wxString& aFilename )
{
registerColorSettings( aFilename );
} );
wxDir colors_dir( GetColorSettingsPath() );
if( colors_dir.IsOpened() )
colors_dir.Traverse( loader );
}
void SETTINGS_MANAGER::ReloadColorSettings()
{
m_color_settings.clear();
loadAllColorSettings();
}
void SETTINGS_MANAGER::SaveColorSettings( COLOR_SETTINGS* aSettings, const std::string& aNamespace )
{
// The passed settings should already be managed
wxASSERT( std::find_if( m_color_settings.begin(), m_color_settings.end(),
[aSettings] ( const std::pair<wxString, COLOR_SETTINGS*>& el )
{
return el.second->GetFilename() == aSettings->GetFilename();
}
) != m_color_settings.end() );
nlohmann::json::json_pointer ptr = JSON_SETTINGS::PointerFromString( aNamespace );
if( !aSettings->Store() )
{
wxLogTrace( traceSettings, "Color scheme %s not modified; skipping save",
aSettings->GetFilename(), aNamespace );
return;
}
wxASSERT( aSettings->contains( ptr ) );
wxLogTrace( traceSettings, "Saving color scheme %s, preserving %s", aSettings->GetFilename(),
aNamespace );
nlohmann::json backup = aSettings->at( ptr );
wxString path = GetColorSettingsPath();
aSettings->LoadFromFile( path );
( *aSettings )[ptr].update( backup );
aSettings->Load();
aSettings->SaveToFile( path, true );
}
wxString SETTINGS_MANAGER::GetPathForSettingsFile( JSON_SETTINGS* aSettings )
{
wxASSERT( aSettings );
switch( aSettings->GetLocation() )
{
case SETTINGS_LOC::USER:
return GetUserSettingsPath();
case SETTINGS_LOC::PROJECT:
return Prj().GetProjectPath();
case SETTINGS_LOC::COLORS:
return GetColorSettingsPath();
case SETTINGS_LOC::NONE:
return "";
default:
wxASSERT_MSG( false, "Unknown settings location!" );
}
return "";
}
class MIGRATION_TRAVERSER : public wxDirTraverser
{
private:
wxString m_src;
wxString m_dest;
wxString m_errors;
public:
MIGRATION_TRAVERSER( const wxString& aSrcDir, const wxString& aDestDir ) :
m_src( aSrcDir ), m_dest( aDestDir )
{
}
wxString GetErrors() { return m_errors; }
virtual wxDirTraverseResult OnFile( const wxString& aSrcFilePath ) override
{
wxFileName file( aSrcFilePath );
wxString path = file.GetPath();
path.Replace( m_src, m_dest, false );
file.SetPath( path );
wxLogTrace( traceSettings, "Copying %s to %s", aSrcFilePath, file.GetFullPath() );
// For now, just copy everything
CopyFile( aSrcFilePath, file.GetFullPath(), m_errors );
return wxDIR_CONTINUE;
}
virtual wxDirTraverseResult OnDir( const wxString& dirPath ) override
{
wxFileName dir( dirPath );
// Whitelist of directories to migrate
if( dir.GetName() == "colors" ||
dir.GetName() == "3d" )
{
wxString path = dir.GetPath();
path.Replace( m_src, m_dest, false );
dir.SetPath( path );
wxMkdir( dir.GetFullPath() );
return wxDIR_CONTINUE;
}
else
{
return wxDIR_IGNORE;
}
}
};
bool SETTINGS_MANAGER::MigrateIfNeeded()
{
wxFileName path( GetUserSettingsPath(), "" );
wxLogTrace( traceSettings, "Using settings path %s", path.GetFullPath() );
if( path.DirExists() )
{
wxFileName common = path;
common.SetName( "kicad_common" );
common.SetExt( "json" );
if( common.Exists() )
{
wxLogTrace( traceSettings, "Path exists and has a kicad_common, continuing!" );
return true;
}
}
if( m_headless )
{
wxLogTrace( traceSettings, "Manual settings migration required but running headless!" );
return false;
}
// Now we have an empty path, let's figure out what to put in it
DIALOG_MIGRATE_SETTINGS dlg( this );
if( dlg.ShowModal() != wxID_OK )
{
wxLogTrace( traceSettings, "Migration dialog canceled; exiting" );
return false;
}
if( !path.DirExists() )
{
wxLogTrace( traceSettings, "Path didn't exist; creating it" );
path.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
}
if( m_migration_source.IsEmpty() )
{
wxLogTrace( traceSettings, "No migration source given; starting with defaults" );
return true;
}
MIGRATION_TRAVERSER traverser( m_migration_source, path.GetFullPath() );
wxDir source_dir( m_migration_source );
source_dir.Traverse( traverser );
if( !traverser.GetErrors().empty() )
DisplayErrorMessage( nullptr, traverser.GetErrors() );
return true;
}
bool SETTINGS_MANAGER::GetPreviousVersionPaths( std::vector<wxString>* aPaths )
{
wxASSERT( aPaths );
aPaths->clear();
wxDir dir;
std::vector<wxFileName> base_paths;
base_paths.emplace_back( wxFileName( calculateUserSettingsPath( false ), "" ) );
// If the env override is set, also check the default paths
if( wxGetEnv( wxT( "KICAD_CONFIG_HOME" ), nullptr ) )
base_paths.emplace_back( wxFileName( calculateUserSettingsPath( false, false ), "" ) );
wxString subdir;
std::string mine = GetSettingsVersion();
auto check_dir = [&] ( const wxString& aSubDir )
{
// Only older versions are valid for migration
if( compareVersions( aSubDir.ToStdString(), mine ) <= 0 )
{
wxString sub_path = dir.GetNameWithSep() + aSubDir;
if( IsSettingsPathValid( sub_path ) )
{
aPaths->push_back( sub_path );
wxLogTrace( traceSettings, "GetPreviousVersionName: %s is valid", sub_path );
}
}
};
for( auto base_path : base_paths )
{
if( !dir.Open( base_path.GetFullPath() ) )
{
wxLogTrace( traceSettings, "GetPreviousVersionName: could not open base path %s",
base_path.GetFullPath() );
continue;
}
wxLogTrace( traceSettings, "GetPreviousVersionName: checking base path %s",
base_path.GetFullPath() );
if( dir.GetFirst( &subdir, wxEmptyString, wxDIR_DIRS ) )
{
if( subdir != mine )
check_dir( subdir );
while( dir.GetNext( &subdir ) )
{
if( subdir != mine )
check_dir( subdir );
}
}
// If we didn't find one yet, check for legacy settings without a version directory
if( IsSettingsPathValid( dir.GetNameWithSep() ) )
{
wxLogTrace( traceSettings,
"GetPreviousVersionName: root path %s is valid", dir.GetName() );
aPaths->push_back( dir.GetName() );
}
}
return aPaths->size() > 0;
}
bool SETTINGS_MANAGER::IsSettingsPathValid( const wxString& aPath )
{
wxFileName test( aPath, "kicad_common" );
return test.Exists();
}
wxString SETTINGS_MANAGER::GetColorSettingsPath()
{
wxFileName path;
path.AssignDir( GetUserSettingsPath() );
path.AppendDir( "colors" );
return path.GetPath();
}
wxString SETTINGS_MANAGER::GetUserSettingsPath()
{
static wxString user_settings_path;
if( user_settings_path.empty() )
user_settings_path = calculateUserSettingsPath();
return user_settings_path;
}
wxString SETTINGS_MANAGER::calculateUserSettingsPath( bool aIncludeVer, bool aUseEnv )
{
wxFileName cfgpath;
// http://docs.wxwidgets.org/3.0/classwx_standard_paths.html#a7c7cf595d94d29147360d031647476b0
cfgpath.AssignDir( wxStandardPaths::Get().GetUserConfigDir() );
// GetUserConfigDir() does not default to ~/.config which is the current standard
// configuration file location on Linux. This has been fixed in later versions of wxWidgets.
#if !defined( __WXMSW__ ) && !defined( __WXMAC__ )
wxArrayString dirs = cfgpath.GetDirs();
if( dirs.Last() != ".config" )
cfgpath.AppendDir( ".config" );
#endif
wxString envstr;
// This shouldn't cause any issues on Windows or MacOS.
if( wxGetEnv( wxT( "XDG_CONFIG_HOME" ), &envstr ) && !envstr.IsEmpty() )
{
// Override the assignment above with XDG_CONFIG_HOME
cfgpath.AssignDir( envstr );
}
cfgpath.AppendDir( TO_STR( KICAD_CONFIG_DIR ) );
// Use KICAD_CONFIG_HOME to allow the user to force a specific configuration path.
if( aUseEnv && wxGetEnv( wxT( "KICAD_CONFIG_HOME" ), &envstr ) && !envstr.IsEmpty() )
{
// Override the assignment above with KICAD_CONFIG_HOME
cfgpath.AssignDir( envstr );
}
if( aIncludeVer )
cfgpath.AppendDir( GetSettingsVersion() );
return cfgpath.GetPath();
}
std::string SETTINGS_MANAGER::GetSettingsVersion()
{
// CMake computes the major.minor string for us.
return GetMajorMinorVersion().ToStdString();
}
int SETTINGS_MANAGER::compareVersions( const std::string& aFirst, const std::string& aSecond )
{
int a_maj = 0;
int a_min = 0;
int b_maj = 0;
int b_min = 0;
if( !extractVersion( aFirst, &a_maj, &a_min ) || !extractVersion( aSecond, &b_maj, &b_min ) )
{
wxLogTrace( traceSettings, "compareSettingsVersions: bad input (%s, %s)", aFirst, aSecond );
return -1;
}
if( a_maj < b_maj )
{
return -1;
}
else if( a_maj > b_maj )
{
return 1;
}
else
{
if( a_min < b_min )
{
return -1;
}
else if( a_min > b_min )
{
return 1;
}
else
{
return 0;
}
}
}
bool SETTINGS_MANAGER::extractVersion( const std::string& aVersionString, int* aMajor, int* aMinor )
{
std::regex re_version( "(\\d+)\\.(\\d+)" );
std::smatch match;
if( std::regex_match( aVersionString, match, re_version ) )
{
try
{
*aMajor = std::stoi( match[1].str() );
*aMinor = std::stoi( match[2].str() );
}
catch( ... )
{
return false;
}
return true;
}
return false;
}
bool SETTINGS_MANAGER::LoadProject( const wxString& aFullPath, bool aSetActive )
{
// Normalize path to new format even if migrating from a legacy file
wxFileName path( aFullPath );
if( path.GetExt() == LegacyProjectFileExtension )
path.SetExt( ProjectFileExtension );
wxString fullPath = path.GetFullPath();
// If already loaded, we are all set. This might be called more than once over a project's
// lifetime in case the project is first loaded by the KiCad manager and then eeschema or
// pcbnew try to load it again when they are launched.
if( m_projects.count( fullPath ) )
return true;
// No MDI yet
if( aSetActive && !m_projects.empty() && !UnloadProject( m_projects.begin()->second.get() ) )
return false;
wxLogTrace( traceSettings, "Load project %s", fullPath );
std::unique_ptr<PROJECT> project = std::make_unique<PROJECT>();
project->setProjectFullName( fullPath );
bool success = loadProjectFile( *project );
m_projects[fullPath].reset( project.release() );
wxString fn( path.GetName() );
PROJECT_LOCAL_SETTINGS* settings = static_cast<PROJECT_LOCAL_SETTINGS*>(
RegisterSettings( new PROJECT_LOCAL_SETTINGS( m_projects[fullPath].get(), fn ) ) );
m_projects[fullPath]->setLocalSettings( settings );
if( m_kiway )
m_kiway->ProjectChanged();
return success;
}
bool SETTINGS_MANAGER::UnloadProject( PROJECT* aProject, bool aSave )
{
if( !aProject || !m_projects.count( aProject->GetProjectFullName() ) )
return false;
if( !unloadProjectFile( aProject, aSave ) )
return false;
wxLogTrace( traceSettings, "Unload project %s", aProject->GetProjectFullName() );
m_projects.erase( aProject->GetProjectFullName() );
// Remove the reference in the environment to the previous project
wxSetEnv( PROJECT_VAR_NAME, "" );
if( m_kiway )
m_kiway->ProjectChanged();
return true;
}
PROJECT& SETTINGS_MANAGER::Prj() const
{
// No MDI yet: First project in the list is the active project
return *m_projects.begin()->second;
}
bool SETTINGS_MANAGER::IsProjectOpen() const
{
return !m_projects.empty();
}
PROJECT* SETTINGS_MANAGER::GetProject( const wxString& aFullPath ) const
{
if( m_projects.count( aFullPath ) )
return m_projects.at( aFullPath ).get();
return nullptr;
}
std::vector<wxString> SETTINGS_MANAGER::GetOpenProjects() const
{
std::vector<wxString> ret;
for( const std::pair<const wxString, std::unique_ptr<PROJECT>>& pair : m_projects )
ret.emplace_back( pair.first );
return ret;
}
bool SETTINGS_MANAGER::SaveProject( const wxString& aFullPath )
{
wxString path = aFullPath;
if( path.empty() )
path = Prj().GetProjectFullName();
if( !m_project_files.count( path ) )
return false;
PROJECT_FILE* project = m_project_files.at( path );
wxString projectPath = GetPathForSettingsFile( project );
project->SaveToFile( projectPath );
Prj().GetLocalSettings().SaveToFile( projectPath );
return true;
}
bool SETTINGS_MANAGER::loadProjectFile( PROJECT& aProject )
{
wxFileName fullFn( aProject.GetProjectFullName() );
wxString fn( fullFn.GetName() );
PROJECT_FILE* file =
static_cast<PROJECT_FILE*>( RegisterSettings( new PROJECT_FILE( fn ), false ) );
m_project_files[aProject.GetProjectFullName()] = file;
aProject.setProjectFile( file );
file->SetProject( &aProject );
wxString path( fullFn.GetPath() );
return file->LoadFromFile( path );
}
bool SETTINGS_MANAGER::unloadProjectFile( PROJECT* aProject, bool aSave )
{
if( !aProject )
return false;
wxString name = aProject->GetProjectFullName();
if( !m_project_files.count( name ) )
return false;
PROJECT_FILE* file = m_project_files[name];
auto it = std::find_if( m_settings.begin(), m_settings.end(),
[&file]( const std::unique_ptr<JSON_SETTINGS>& aPtr )
{
return aPtr.get() == file;
} );
if( it != m_settings.end() )
{
wxString projectPath = GetPathForSettingsFile( it->get() );
FlushAndRelease( &aProject->GetLocalSettings(), aSave );
if( aSave )
( *it )->SaveToFile( projectPath );
m_settings.erase( it );
}
m_project_files.erase( name );
return true;
}
wxString SETTINGS_MANAGER::GetProjectBackupsPath() const
{
return Prj().GetProjectPath() + Prj().GetProjectName() + PROJECT_BACKUPS_DIR_SUFFIX;
}
wxString SETTINGS_MANAGER::backupDateTimeFormat = wxT( "%Y-%m-%d_%H%M%S" );
bool SETTINGS_MANAGER::BackupProject( REPORTER& aReporter ) const
{
wxDateTime timestamp = wxDateTime::Now();
wxString fileName = wxString::Format( wxT( "%s-%s" ), Prj().GetProjectName(),
timestamp.Format( backupDateTimeFormat ) );
wxFileName target;
target.SetPath( GetProjectBackupsPath() );
target.SetName( fileName );
target.SetExt( ArchiveFileExtension );
wxDir dir( target.GetPath() );
if( !target.DirExists() && !wxMkdir( target.GetPath() ) )
{
wxLogTrace( traceSettings, "Could not create project backup path %s", target.GetPath() );
return false;
}
if( !target.IsDirWritable() )
{
wxLogTrace( traceSettings, "Backup directory %s is not writeable", target.GetPath() );
return false;
}
wxLogTrace( traceSettings, "Backing up project to %s", target.GetPath() );
PROJECT_ARCHIVER archiver;
return archiver.Archive( Prj().GetProjectPath(), target.GetFullPath(), aReporter );
}
class VECTOR_INSERT_TRAVERSER : public wxDirTraverser
{
public:
VECTOR_INSERT_TRAVERSER( std::vector<wxString>& aVec,
std::function<bool( const wxString& )> aCond ) :
m_files( aVec ),
m_condition( aCond )
{
}
wxDirTraverseResult OnFile( const wxString& aFile ) override
{
if( m_condition( aFile ) )
m_files.emplace_back( aFile );
return wxDIR_CONTINUE;
}
wxDirTraverseResult OnDir( const wxString& aDirName ) override
{
return wxDIR_CONTINUE;
}
private:
std::vector<wxString>& m_files;
std::function<bool( const wxString& )> m_condition;
};
bool SETTINGS_MANAGER::TriggerBackupIfNeeded( REPORTER& aReporter ) const
{
COMMON_SETTINGS::AUTO_BACKUP settings = GetCommonSettings()->m_Backup;
if( !settings.enabled )
return true;
wxString prefix = Prj().GetProjectName() + '-';
auto modTime =
[&prefix]( const wxString& aFile )
{
wxDateTime dt;
wxString fn( wxFileName( aFile ).GetName() );
fn.Replace( prefix, "" );
dt.ParseFormat( fn, backupDateTimeFormat );
return dt;
};
// Project not saved yet
if( Prj().GetProjectPath().empty() )
return true;
wxString backupPath = GetProjectBackupsPath();
if( !wxDirExists( backupPath ) )
{
wxLogTrace( traceSettings, "Backup path %s doesn't exist, creating it", backupPath );
if( !wxMkdir( backupPath ) )
{
wxLogTrace( traceSettings, "Could not create backups path! Skipping backup" );
return false;
}
}
wxDir dir( backupPath );
if( !dir.IsOpened() )
{
wxLogTrace( traceSettings, "Could not open project backups path %s", dir.GetName() );
return false;
}
std::vector<wxString> files;
VECTOR_INSERT_TRAVERSER traverser( files,
[&modTime]( const wxString& aFile )
{
return modTime( aFile ).IsValid();
} );
dir.Traverse( traverser, wxT( "*.zip" ) );
// Sort newest-first
std::sort( files.begin(), files.end(),
[&]( const wxString& aFirst, const wxString& aSecond ) -> bool
{
wxDateTime first = modTime( aFirst );
wxDateTime second = modTime( aSecond );
return first.GetTicks() > second.GetTicks();
} );
// Do we even need to back up?
if( !files.empty() )
{
wxDateTime lastTime = modTime( files[0] );
if( lastTime.IsValid() )
{
wxTimeSpan delta = wxDateTime::Now() - modTime( files[0] );
if( delta.IsShorterThan( wxTimeSpan::Seconds( settings.min_interval ) ) )
return true;
}
}
// Now that we know a backup is needed, apply the retention policy
// Step 1: if we're over the total file limit, remove the oldest
if( !files.empty() && settings.limit_total_files > 0 )
{
while( files.size() > static_cast<size_t>( settings.limit_total_files ) )
{
wxRemoveFile( files.back() );
files.pop_back();
}
}
// Step 2: Stay under the total size limit
if( settings.limit_total_size > 0 )
{
wxULongLong totalSize = 0;
for( const wxString& file : files )
totalSize += wxFileName::GetSize( file );
while( !files.empty() && totalSize > static_cast<wxULongLong>( settings.limit_total_size ) )
{
totalSize -= wxFileName::GetSize( files.back() );
wxRemoveFile( files.back() );
files.pop_back();
}
}
// Step 3: Stay under the daily limit
if( settings.limit_daily_files > 0 && files.size() > 1 )
{
wxDateTime day = modTime( files[0] );
int num = 1;
wxASSERT( day.IsValid() );
std::vector<wxString> filesToDelete;
for( size_t i = 1; i < files.size(); i++ )
{
wxDateTime dt = modTime( files[i] );
if( dt.IsSameDate( day ) )
{
num++;
if( num > settings.limit_daily_files )
filesToDelete.emplace_back( files[i] );
}
else
{
day = dt;
num = 1;
}
}
for( const wxString& file : filesToDelete )
wxRemoveFile( file );
}
return BackupProject( aReporter );
}
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