use std ::fs ;
use std ::fs ::{ DirEntry , Metadata } ;
use std ::io ::prelude ::* ;
use std ::path ::{ Path , PathBuf } ;
use std ::sync ::atomic ::{ AtomicUsize , Ordering } ;
use std ::sync ::Arc ;
use crossbeam_channel ::Receiver ;
use fun_time ::fun_time ;
use futures ::channel ::mpsc ::UnboundedSender ;
use rayon ::prelude ::* ;
use crate ::common ::{ check_folder_children , prepare_thread_handler_common , send_info_and_wait_for_ending_all_threads } ;
use crate ::common_dir_traversal ::{ common_get_entry_data_metadata , common_read_dir , get_lowercase_name , get_modified_time , CheckingMethod , ProgressData , ToolType } ;
use crate ::common_tool ::{ CommonData , CommonToolData , DeleteMethod } ;
use crate ::common_traits ::* ;
const TEMP_EXTENSIONS : & [ & str ] = & [
"#" ,
"thumbs.db" ,
".bak" ,
"~" ,
".tmp" ,
".temp" ,
".ds_store" ,
".crdownload" ,
".part" ,
".cache" ,
".dmp" ,
".download" ,
".partial" ,
] ;
#[ derive(Clone) ]
pub struct FileEntry {
pub path : PathBuf ,
pub modified_date : u64 ,
}
#[ derive(Default) ]
pub struct Info {
pub number_of_temporary_files : usize ,
}
pub struct Temporary {
common_data : CommonToolData ,
information : Info ,
temporary_files : Vec < FileEntry > ,
}
impl Temporary {
pub fn new ( ) -> Self {
Self {
common_data : CommonToolData ::new ( ToolType ::TemporaryFiles ) ,
information : Info ::default ( ) ,
temporary_files : vec ! [ ] ,
}
}
#[ fun_time(message = " find_temporary_files " ) ]
pub fn find_temporary_files ( & mut self , stop_receiver : Option < & Receiver < ( ) > > , progress_sender : Option < & UnboundedSender < ProgressData > > ) {
self . optimize_dirs_before_start ( ) ;
if ! self . check_files ( stop_receiver , progress_sender ) {
self . common_data . stopped_search = true ;
return ;
}
self . delete_files ( ) ;
self . debug_print ( ) ;
}
#[ fun_time(message = " check_files " ) ]
fn check_files ( & mut self , stop_receiver : Option < & Receiver < ( ) > > , progress_sender : Option < & UnboundedSender < ProgressData > > ) -> bool {
let mut folders_to_check : Vec < PathBuf > = Vec ::with_capacity ( 1024 * 2 ) ; // This should be small enough too not see to big difference and big enough to store most of paths without needing to resize vector
// Add root folders for finding
for id in & self . common_data . directories . included_directories {
folders_to_check . push ( id . clone ( ) ) ;
}
let ( progress_thread_handle , progress_thread_run , atomic_counter , _check_was_stopped ) =
prepare_thread_handler_common ( progress_sender , 0 , 0 , 0 , CheckingMethod ::None , self . common_data . tool_type ) ;
while ! folders_to_check . is_empty ( ) {
if stop_receiver . is_some ( ) & & stop_receiver . unwrap ( ) . try_recv ( ) . is_ok ( ) {
send_info_and_wait_for_ending_all_threads ( & progress_thread_run , progress_thread_handle ) ;
return false ;
}
let segments : Vec < _ > = folders_to_check
. par_iter ( )
. map ( | current_folder | {
let mut dir_result = vec! [ ] ;
let mut warnings = vec! [ ] ;
let mut fe_result = vec! [ ] ;
let Some ( read_dir ) = common_read_dir ( current_folder , & mut warnings ) else {
return ( dir_result , warnings , fe_result ) ;
} ;
// Check every sub folder/file/link etc.
for entry in read_dir {
let Some ( ( entry_data , metadata ) ) = common_get_entry_data_metadata ( & entry , & mut warnings , current_folder ) else {
continue ;
} ;
if metadata . is_dir ( ) {
check_folder_children (
& mut dir_result ,
& mut warnings ,
current_folder ,
entry_data ,
self . common_data . recursive_search ,
& self . common_data . directories ,
& self . common_data . excluded_items ,
) ;
} else if metadata . is_file ( ) {
if let Some ( file_entry ) = self . get_file_entry ( & metadata , & atomic_counter , entry_data , & mut warnings , current_folder ) {
fe_result . push ( file_entry ) ;
}
}
}
( dir_result , warnings , fe_result )
} )
. collect ( ) ;
// Advance the frontier
folders_to_check . clear ( ) ;
// Process collected data
for ( segment , warnings , fe_result ) in segments {
folders_to_check . extend ( segment ) ;
self . common_data . text_messages . warnings . extend ( warnings ) ;
for fe in fe_result {
self . temporary_files . push ( fe ) ;
}
}
}
send_info_and_wait_for_ending_all_threads ( & progress_thread_run , progress_thread_handle ) ;
self . information . number_of_temporary_files = self . temporary_files . len ( ) ;
true
}
pub fn get_file_entry (
& self ,
metadata : & Metadata ,
atomic_counter : & Arc < AtomicUsize > ,
entry_data : & DirEntry ,
warnings : & mut Vec < String > ,
current_folder : & Path ,
) -> Option < FileEntry > {
atomic_counter . fetch_add ( 1 , Ordering ::Relaxed ) ;
let Some ( file_name_lowercase ) = get_lowercase_name ( entry_data , warnings ) else {
return None ;
} ;
if ! TEMP_EXTENSIONS . iter ( ) . any ( | f | file_name_lowercase . ends_with ( f ) ) {
return None ;
}
let current_file_name = current_folder . join ( entry_data . file_name ( ) ) ;
if self . common_data . excluded_items . is_excluded ( & current_file_name ) {
return None ;
}
// Creating new file entry
Some ( FileEntry {
path : current_file_name . clone ( ) ,
modified_date : get_modified_time ( metadata , warnings , & current_file_name , false ) ,
} )
}
#[ fun_time(message = " delete_files " ) ]
fn delete_files ( & mut self ) {
match self . common_data . delete_method {
DeleteMethod ::Delete = > {
let mut warnings = Vec ::new ( ) ;
for file_entry in & self . temporary_files {
if fs ::remove_file ( file_entry . path . clone ( ) ) . is_err ( ) {
warnings . push ( file_entry . path . display ( ) . to_string ( ) ) ;
}
}
self . common_data . text_messages . warnings . extend ( warnings ) ;
}
DeleteMethod ::None = > {
//Just do nothing
}
_ = > unreachable! ( ) ,
}
}
}
impl PrintResults for Temporary {
fn write_results < T : Write > ( & self , writer : & mut T ) -> std ::io ::Result < ( ) > {
writeln! (
writer ,
"Results of searching {:?} with excluded directories {:?} and excluded items {:?}" ,
self . common_data . directories . included_directories , self . common_data . directories . excluded_directories , self . common_data . excluded_items . items
) ? ;
writeln! ( writer , "Found {} temporary files.\n" , self . information . number_of_temporary_files ) ? ;
for file_entry in & self . temporary_files {
writeln! ( writer , "{}" , file_entry . path . display ( ) ) ? ;
}
Ok ( ( ) )
}
}
impl Default for Temporary {
fn default ( ) -> Self {
Self ::new ( )
}
}
impl DebugPrint for Temporary {
fn debug_print ( & self ) {
if ! cfg! ( debug_assertions ) {
return ;
}
println! ( "### Information's" ) ;
println! ( "Temporary list size - {}" , self . temporary_files . len ( ) ) ;
self . debug_print_common ( ) ;
}
}
impl CommonData for Temporary {
fn get_cd ( & self ) -> & CommonToolData {
& self . common_data
}
fn get_cd_mut ( & mut self ) -> & mut CommonToolData {
& mut self . common_data
}
}
impl Temporary {
pub const fn get_temporary_files ( & self ) -> & Vec < FileEntry > {
& self . temporary_files
}
pub const fn get_information ( & self ) -> & Info {
& self . information
}
}