783 lines
33 KiB
Rust
783 lines
33 KiB
Rust
use std::collections::BTreeMap;
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use std::fs::{File, Metadata};
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use std::io::prelude::*;
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use std::io::{BufReader, BufWriter};
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use std::path::{Path, PathBuf};
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use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
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use std::sync::Arc;
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use std::thread::sleep;
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use std::time::{Duration, SystemTime, UNIX_EPOCH};
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use std::{fs, mem, panic, thread};
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use crossbeam_channel::Receiver;
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use pdf::PdfError;
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use pdf::PdfError::Try;
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use rayon::prelude::*;
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use serde::{Deserialize, Serialize};
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use crate::common::{open_cache_folder, Common, LOOP_DURATION, PDF_FILES_EXTENSIONS};
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use crate::common::{AUDIO_FILES_EXTENSIONS, IMAGE_RS_BROKEN_FILES_EXTENSIONS, ZIP_FILES_EXTENSIONS};
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use crate::common_directory::Directories;
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use crate::common_extensions::Extensions;
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use crate::common_items::ExcludedItems;
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use crate::common_messages::Messages;
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use crate::common_traits::*;
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use crate::flc;
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use crate::localizer_core::generate_translation_hashmap;
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#[derive(Debug)]
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pub struct ProgressData {
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pub current_stage: u8,
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pub max_stage: u8,
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pub files_checked: usize,
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pub files_to_check: usize,
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}
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#[derive(Eq, PartialEq, Clone, Debug)]
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pub enum DeleteMethod {
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None,
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Delete,
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}
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#[derive(Clone, Serialize, Deserialize)]
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pub struct FileEntry {
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pub path: PathBuf,
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pub modified_date: u64,
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pub size: u64,
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pub type_of_file: TypeOfFile,
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pub error_string: String,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub enum TypeOfFile {
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Unknown = -1,
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Image = 0,
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ArchiveZip,
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Audio,
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PDF,
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}
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/// Info struck with helpful information's about results
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#[derive(Default)]
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pub struct Info {
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pub number_of_broken_files: usize,
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}
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impl Info {
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pub fn new() -> Self {
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Default::default()
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}
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}
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pub struct BrokenFiles {
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text_messages: Messages,
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information: Info,
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files_to_check: BTreeMap<String, FileEntry>,
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broken_files: Vec<FileEntry>,
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directories: Directories,
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allowed_extensions: Extensions,
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excluded_items: ExcludedItems,
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recursive_search: bool,
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delete_method: DeleteMethod,
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stopped_search: bool,
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use_cache: bool,
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delete_outdated_cache: bool, // TODO add this to GUI
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save_also_as_json: bool,
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}
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impl BrokenFiles {
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pub fn new() -> Self {
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Self {
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text_messages: Messages::new(),
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information: Info::new(),
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recursive_search: true,
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allowed_extensions: Extensions::new(),
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directories: Directories::new(),
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excluded_items: ExcludedItems::new(),
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files_to_check: Default::default(),
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delete_method: DeleteMethod::None,
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stopped_search: false,
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broken_files: Default::default(),
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use_cache: true,
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delete_outdated_cache: true,
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save_also_as_json: false,
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}
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}
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pub fn find_broken_files(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) {
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self.directories.optimize_directories(self.recursive_search, &mut self.text_messages);
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if !self.check_files(stop_receiver, progress_sender) {
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self.stopped_search = true;
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return;
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}
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if !self.look_for_broken_files(stop_receiver, progress_sender) {
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self.stopped_search = true;
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return;
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}
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self.delete_files();
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self.debug_print();
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}
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pub fn get_stopped_search(&self) -> bool {
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self.stopped_search
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}
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pub const fn get_broken_files(&self) -> &Vec<FileEntry> {
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&self.broken_files
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}
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pub const fn get_text_messages(&self) -> &Messages {
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&self.text_messages
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}
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pub const fn get_information(&self) -> &Info {
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&self.information
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}
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pub fn set_delete_method(&mut self, delete_method: DeleteMethod) {
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self.delete_method = delete_method;
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}
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pub fn set_save_also_as_json(&mut self, save_also_as_json: bool) {
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self.save_also_as_json = save_also_as_json;
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}
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pub fn set_use_cache(&mut self, use_cache: bool) {
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self.use_cache = use_cache;
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}
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pub fn set_recursive_search(&mut self, recursive_search: bool) {
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self.recursive_search = recursive_search;
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}
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#[cfg(target_family = "unix")]
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pub fn set_exclude_other_filesystems(&mut self, exclude_other_filesystems: bool) {
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self.directories.set_exclude_other_filesystems(exclude_other_filesystems);
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}
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pub fn set_included_directory(&mut self, included_directory: Vec<PathBuf>) -> bool {
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self.directories.set_included_directory(included_directory, &mut self.text_messages)
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}
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pub fn set_excluded_directory(&mut self, excluded_directory: Vec<PathBuf>) {
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self.directories.set_excluded_directory(excluded_directory, &mut self.text_messages);
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}
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pub fn set_allowed_extensions(&mut self, allowed_extensions: String) {
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self.allowed_extensions.set_allowed_extensions(allowed_extensions, &mut self.text_messages);
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}
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pub fn set_excluded_items(&mut self, excluded_items: Vec<String>) {
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self.excluded_items.set_excluded_items(excluded_items, &mut self.text_messages);
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}
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fn check_files(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) -> bool {
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let start_time: SystemTime = SystemTime::now();
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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
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// Add root folders for finding
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for id in &self.directories.included_directories {
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folders_to_check.push(id.clone());
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}
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//// PROGRESS THREAD START
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let progress_thread_run = Arc::new(AtomicBool::new(true));
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let atomic_file_counter = Arc::new(AtomicUsize::new(0));
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let progress_thread_handle = if let Some(progress_sender) = progress_sender {
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let progress_send = progress_sender.clone();
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let progress_thread_run = progress_thread_run.clone();
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let atomic_file_counter = atomic_file_counter.clone();
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thread::spawn(move || loop {
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progress_send
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.unbounded_send(ProgressData {
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current_stage: 0,
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max_stage: 1,
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files_checked: atomic_file_counter.load(Ordering::Relaxed) as usize,
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files_to_check: 0,
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})
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.unwrap();
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if !progress_thread_run.load(Ordering::Relaxed) {
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break;
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}
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sleep(Duration::from_millis(LOOP_DURATION as u64));
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})
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} else {
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thread::spawn(|| {})
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};
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//// PROGRESS THREAD END
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while !folders_to_check.is_empty() {
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if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
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// End thread which send info to gui
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progress_thread_run.store(false, Ordering::Relaxed);
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progress_thread_handle.join().unwrap();
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return false;
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}
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let segments: Vec<_> = folders_to_check
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.par_iter()
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.map(|current_folder| {
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let mut dir_result = vec![];
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let mut warnings = vec![];
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let mut fe_result = vec![];
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// Read current dir childrens
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let read_dir = match fs::read_dir(¤t_folder) {
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Ok(t) => t,
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Err(e) => {
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warnings.push(flc!(
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"core_cannot_open_dir",
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generate_translation_hashmap(vec![("dir", current_folder.display().to_string()), ("reason", e.to_string())])
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));
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return (dir_result, warnings, fe_result);
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}
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};
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// Check every sub folder/file/link etc.
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'dir: for entry in read_dir {
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let entry_data = match entry {
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Ok(t) => t,
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Err(e) => {
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warnings.push(flc!(
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"core_cannot_read_entry_dir",
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generate_translation_hashmap(vec![("dir", current_folder.display().to_string()), ("reason", e.to_string())])
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));
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continue 'dir;
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}
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};
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let metadata: Metadata = match entry_data.metadata() {
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Ok(t) => t,
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Err(e) => {
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warnings.push(flc!(
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"core_cannot_read_metadata_dir",
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generate_translation_hashmap(vec![("dir", current_folder.display().to_string()), ("reason", e.to_string())])
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));
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continue 'dir;
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}
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};
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if metadata.is_dir() {
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if !self.recursive_search {
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continue 'dir;
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}
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let next_folder = current_folder.join(entry_data.file_name());
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if self.directories.is_excluded(&next_folder) {
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continue 'dir;
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}
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if self.excluded_items.is_excluded(&next_folder) {
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continue 'dir;
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}
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#[cfg(target_family = "unix")]
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if self.directories.exclude_other_filesystems() {
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match self.directories.is_on_other_filesystems(&next_folder) {
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Ok(true) => continue 'dir,
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Err(e) => warnings.push(e.to_string()),
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_ => (),
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}
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}
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dir_result.push(next_folder);
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} else if metadata.is_file() {
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atomic_file_counter.fetch_add(1, Ordering::Relaxed);
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let file_name_lowercase: String = match entry_data.file_name().into_string() {
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Ok(t) => t,
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Err(_inspected) => {
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warnings.push(flc!(
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"core_file_not_utf8_name",
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generate_translation_hashmap(vec![("name", entry_data.path().display().to_string())])
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));
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continue 'dir;
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}
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}
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.to_lowercase();
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if !self.allowed_extensions.matches_filename(&file_name_lowercase) {
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continue 'dir;
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}
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let type_of_file = check_extension_availability(&file_name_lowercase);
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if type_of_file == TypeOfFile::Unknown {
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continue 'dir;
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}
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let current_file_name = current_folder.join(entry_data.file_name());
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if self.excluded_items.is_excluded(¤t_file_name) {
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continue 'dir;
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}
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let fe: FileEntry = FileEntry {
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path: current_file_name.clone(),
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modified_date: match metadata.modified() {
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Ok(t) => match t.duration_since(UNIX_EPOCH) {
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Ok(d) => d.as_secs(),
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Err(_inspected) => {
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warnings.push(flc!(
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"core_file_modified_before_epoch",
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generate_translation_hashmap(vec![("name", current_file_name.display().to_string())])
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));
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0
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}
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},
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Err(e) => {
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warnings.push(flc!(
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"core_file_no_modification_date",
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generate_translation_hashmap(vec![("name", current_file_name.display().to_string()), ("reason", e.to_string())])
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));
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0
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}
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},
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size: metadata.len(),
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type_of_file,
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error_string: "".to_string(),
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};
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fe_result.push((current_file_name.to_string_lossy().to_string(), fe));
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}
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}
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(dir_result, warnings, fe_result)
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})
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.collect();
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// Advance the frontier
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folders_to_check.clear();
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// Process collected data
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for (segment, warnings, fe_result) in segments {
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folders_to_check.extend(segment);
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self.text_messages.warnings.extend(warnings);
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for (name, fe) in fe_result {
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self.files_to_check.insert(name, fe);
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}
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}
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}
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// End thread which send info to gui
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progress_thread_run.store(false, Ordering::Relaxed);
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progress_thread_handle.join().unwrap();
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Common::print_time(start_time, SystemTime::now(), "check_files".to_string());
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true
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}
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fn look_for_broken_files(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) -> bool {
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let system_time = SystemTime::now();
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let loaded_hash_map;
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let mut records_already_cached: BTreeMap<String, FileEntry> = Default::default();
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let mut non_cached_files_to_check: BTreeMap<String, FileEntry> = Default::default();
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if self.use_cache {
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loaded_hash_map = match load_cache_from_file(&mut self.text_messages, self.delete_outdated_cache) {
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Some(t) => t,
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None => Default::default(),
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};
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for (name, file_entry) in &self.files_to_check {
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#[allow(clippy::if_same_then_else)]
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if !loaded_hash_map.contains_key(name) {
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// If loaded data doesn't contains current image info
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non_cached_files_to_check.insert(name.clone(), file_entry.clone());
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} else if file_entry.size != loaded_hash_map.get(name).unwrap().size || file_entry.modified_date != loaded_hash_map.get(name).unwrap().modified_date {
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// When size or modification date of image changed, then it is clear that is different image
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non_cached_files_to_check.insert(name.clone(), file_entry.clone());
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} else {
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// Checking may be omitted when already there is entry with same size and modification date
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records_already_cached.insert(name.clone(), loaded_hash_map.get(name).unwrap().clone());
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}
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}
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} else {
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loaded_hash_map = Default::default();
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mem::swap(&mut self.files_to_check, &mut non_cached_files_to_check);
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}
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//// PROGRESS THREAD START
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let progress_thread_run = Arc::new(AtomicBool::new(true));
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let atomic_file_counter = Arc::new(AtomicUsize::new(0));
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let progress_thread_handle = if let Some(progress_sender) = progress_sender {
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let progress_send = progress_sender.clone();
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let progress_thread_run = progress_thread_run.clone();
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let atomic_file_counter = atomic_file_counter.clone();
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let files_to_check = non_cached_files_to_check.len();
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thread::spawn(move || loop {
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progress_send
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.unbounded_send(ProgressData {
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current_stage: 1,
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max_stage: 1,
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files_checked: atomic_file_counter.load(Ordering::Relaxed) as usize,
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files_to_check,
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})
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.unwrap();
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if !progress_thread_run.load(Ordering::Relaxed) {
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break;
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}
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sleep(Duration::from_millis(LOOP_DURATION as u64));
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})
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} else {
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thread::spawn(|| {})
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};
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//// PROGRESS THREAD END
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let mut vec_file_entry: Vec<FileEntry> = non_cached_files_to_check
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.into_par_iter()
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.map(|(_, mut file_entry)| {
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atomic_file_counter.fetch_add(1, Ordering::Relaxed);
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if stop_receiver.is_some() && stop_receiver.unwrap().try_recv().is_ok() {
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return None;
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}
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match file_entry.type_of_file {
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TypeOfFile::Image => {
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let mut file_entry_clone = file_entry.clone();
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let result = panic::catch_unwind(|| {
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if let Err(e) = image::open(&file_entry.path) {
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let error_string = e.to_string();
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// This error is a problem with image library, remove check when https://github.com/image-rs/jpeg-decoder/issues/130 will be fixed
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if error_string.contains("spectral selection is not allowed in non-progressive scan") {
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return Some(None);
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}
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file_entry.error_string = error_string;
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}
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Some(Some(file_entry))
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});
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// If image crashed during opening, needs to be printed info about crashes thing
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if let Ok(image_result) = result {
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image_result
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} else {
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println!("Image-rs library crashed when opening \"{:?}\" image, please check if problem happens with latest image-rs version(this can be checked via https://github.com/qarmin/ImageOpening tool) and if it is not reported, please report bug here - https://github.com/image-rs/image/issues", file_entry_clone.path);
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file_entry_clone.error_string = "Image crashes due parsing, please check if problem happens with updated https://github.com/qarmin/ImageOpening and later report here https://github.com/image-rs/image/issues".to_string();
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Some(Some(file_entry_clone))
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}
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}
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TypeOfFile::ArchiveZip => match File::open(&file_entry.path) {
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Ok(file) => {
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if let Err(e) = zip::ZipArchive::new(file) {
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file_entry.error_string = e.to_string();
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}
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Some(Some(file_entry))
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}
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Err(_inspected) => Some(None)
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},
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TypeOfFile::Audio => match File::open(&file_entry.path) {
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Ok(file) =>
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{
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let mut file_entry_clone = file_entry.clone();
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let result = panic::catch_unwind(|| {
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if let Err(e) = audio_checker::parse_audio_file(file) {
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file_entry.error_string = e.to_string();
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}
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Some(Some(file_entry))
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});
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if let Ok(audio_result) = result {
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audio_result
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} else {
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println!("External parsing audio library crashed when opening \"{:?}\" audio file, please report bug here - https://github.com/qarmin/audio_checker/issues", file_entry_clone.path);
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file_entry_clone.error_string = "Audio crashes due parsing, please report bug here - https://github.com/qarmin/audio_checker/issues".to_string();
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Some(Some(file_entry_clone))
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}
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}
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Err(_inspected) => Some(None),
|
|
},
|
|
|
|
TypeOfFile::PDF => {
|
|
match fs::read(&file_entry.path) {
|
|
Ok(content) => {
|
|
// Will be available in pdf > 0.7.2
|
|
// let parser_options = ParseOptions {
|
|
// allow_error_in_option: true,
|
|
// allow_xref_error: true,
|
|
// allow_invalid_ops: true,
|
|
// allow_missing_endobj: true,
|
|
// };
|
|
// if let Err(e) = pdf::file::File::from_data_with_options(content, parser_options) {
|
|
|
|
let mut file_entry_clone = file_entry.clone();
|
|
let result = panic::catch_unwind(|| {
|
|
if let Err(e) = pdf::file::File::from_data(content) {
|
|
file_entry.error_string = e.to_string();
|
|
let error = unpack_pdf_error(e);
|
|
if let PdfError::InvalidPassword = error {
|
|
return Some(None);
|
|
}
|
|
}
|
|
Some(Some(file_entry))
|
|
});
|
|
if let Ok(pdf_result) = result {
|
|
pdf_result
|
|
} else {
|
|
println!("PDF-rs library crashed when opening \"{:?}\" pdf, and if it is not reported, please report bug here - https://github.com/pdf-rs/pdf", file_entry_clone.path);
|
|
file_entry_clone.error_string = "PDF-rs library crashed when opening pdf, and if it is not reported, please report bug here - https://github.com/pdf-rs/pdf".to_string();
|
|
Some(Some(file_entry_clone))
|
|
}
|
|
}
|
|
Err(_inspected) => Some(None)
|
|
}
|
|
}
|
|
|
|
// This means that cache read invalid value because maybe cache comes from different czkawka version
|
|
TypeOfFile::Unknown => Some(None),
|
|
}
|
|
})
|
|
.while_some()
|
|
.filter(|file_entry| file_entry.is_some())
|
|
.map(|file_entry| file_entry.unwrap())
|
|
.collect::<Vec<FileEntry>>();
|
|
|
|
// End thread which send info to gui
|
|
progress_thread_run.store(false, Ordering::Relaxed);
|
|
progress_thread_handle.join().unwrap();
|
|
|
|
// Just connect loaded results with already calculated
|
|
for (_name, file_entry) in records_already_cached {
|
|
vec_file_entry.push(file_entry.clone());
|
|
}
|
|
|
|
if self.use_cache {
|
|
// Must save all results to file, old loaded from file with all currently counted results
|
|
let mut all_results: BTreeMap<String, FileEntry> = Default::default();
|
|
|
|
for file_entry in vec_file_entry.clone() {
|
|
all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
|
|
}
|
|
for (_name, file_entry) in loaded_hash_map {
|
|
all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
|
|
}
|
|
save_cache_to_file(&all_results, &mut self.text_messages, self.save_also_as_json);
|
|
}
|
|
|
|
self.broken_files = vec_file_entry
|
|
.into_par_iter()
|
|
.filter_map(|f| if f.error_string.is_empty() { None } else { Some(f) })
|
|
.collect();
|
|
|
|
self.information.number_of_broken_files = self.broken_files.len();
|
|
|
|
Common::print_time(system_time, SystemTime::now(), "sort_images - reading data from files in parallel".to_string());
|
|
|
|
// Clean unused data
|
|
self.files_to_check = Default::default();
|
|
|
|
true
|
|
}
|
|
/// Function to delete files, from filed Vector
|
|
fn delete_files(&mut self) {
|
|
let start_time: SystemTime = SystemTime::now();
|
|
|
|
match self.delete_method {
|
|
DeleteMethod::Delete => {
|
|
for file_entry in self.broken_files.iter() {
|
|
if fs::remove_file(&file_entry.path).is_err() {
|
|
self.text_messages.warnings.push(file_entry.path.display().to_string());
|
|
}
|
|
}
|
|
}
|
|
DeleteMethod::None => {
|
|
//Just do nothing
|
|
}
|
|
}
|
|
|
|
Common::print_time(start_time, SystemTime::now(), "delete_files".to_string());
|
|
}
|
|
}
|
|
|
|
impl Default for BrokenFiles {
|
|
fn default() -> Self {
|
|
Self::new()
|
|
}
|
|
}
|
|
|
|
impl DebugPrint for BrokenFiles {
|
|
#[allow(dead_code)]
|
|
#[allow(unreachable_code)]
|
|
/// Debugging printing - only available on debug build
|
|
fn debug_print(&self) {
|
|
#[cfg(not(debug_assertions))]
|
|
{
|
|
return;
|
|
}
|
|
println!("---------------DEBUG PRINT---------------");
|
|
println!("### Information's");
|
|
|
|
println!("Errors size - {}", self.text_messages.errors.len());
|
|
println!("Warnings size - {}", self.text_messages.warnings.len());
|
|
println!("Messages size - {}", self.text_messages.messages.len());
|
|
|
|
println!("### Other");
|
|
|
|
println!("Excluded items - {:?}", self.excluded_items.items);
|
|
println!("Included directories - {:?}", self.directories.included_directories);
|
|
println!("Excluded directories - {:?}", self.directories.excluded_directories);
|
|
println!("Recursive search - {}", self.recursive_search);
|
|
#[cfg(target_family = "unix")]
|
|
println!("Skip other filesystems - {}", self.directories.exclude_other_filesystems());
|
|
println!("Delete Method - {:?}", self.delete_method);
|
|
println!("-----------------------------------------");
|
|
}
|
|
}
|
|
|
|
impl SaveResults for BrokenFiles {
|
|
fn save_results_to_file(&mut self, file_name: &str) -> bool {
|
|
let start_time: SystemTime = SystemTime::now();
|
|
let file_name: String = match file_name {
|
|
"" => "results.txt".to_string(),
|
|
k => k.to_string(),
|
|
};
|
|
|
|
let file_handler = match File::create(&file_name) {
|
|
Ok(t) => t,
|
|
Err(e) => {
|
|
self.text_messages.errors.push(format!("Failed to create file {}, reason {}", file_name, e));
|
|
return false;
|
|
}
|
|
};
|
|
let mut writer = BufWriter::new(file_handler);
|
|
|
|
if let Err(e) = writeln!(
|
|
writer,
|
|
"Results of searching {:?} with excluded directories {:?} and excluded items {:?}",
|
|
self.directories.included_directories, self.directories.excluded_directories, self.excluded_items.items
|
|
) {
|
|
self.text_messages.errors.push(format!("Failed to save results to file {}, reason {}", file_name, e));
|
|
return false;
|
|
}
|
|
|
|
if !self.broken_files.is_empty() {
|
|
writeln!(writer, "Found {} broken files.", self.information.number_of_broken_files).unwrap();
|
|
for file_entry in self.broken_files.iter() {
|
|
writeln!(writer, "{} - {}", file_entry.path.display(), file_entry.error_string).unwrap();
|
|
}
|
|
} else {
|
|
write!(writer, "Not found any broken files.").unwrap();
|
|
}
|
|
Common::print_time(start_time, SystemTime::now(), "save_results_to_file".to_string());
|
|
true
|
|
}
|
|
}
|
|
|
|
impl PrintResults for BrokenFiles {
|
|
/// Print information's about duplicated entries
|
|
/// Only needed for CLI
|
|
fn print_results(&self) {
|
|
let start_time: SystemTime = SystemTime::now();
|
|
println!("Found {} broken files.\n", self.information.number_of_broken_files);
|
|
for file_entry in self.broken_files.iter() {
|
|
println!("{} - {}", file_entry.path.display(), file_entry.error_string);
|
|
}
|
|
|
|
Common::print_time(start_time, SystemTime::now(), "print_entries".to_string());
|
|
}
|
|
}
|
|
|
|
fn save_cache_to_file(old_hashmap: &BTreeMap<String, FileEntry>, text_messages: &mut Messages, save_also_as_json: bool) {
|
|
let mut hashmap: BTreeMap<String, FileEntry> = Default::default();
|
|
for (path, fe) in old_hashmap {
|
|
if fe.size > 1024 {
|
|
hashmap.insert(path.clone(), fe.clone());
|
|
}
|
|
}
|
|
let hashmap = &hashmap;
|
|
|
|
if let Some(((file_handler, cache_file), (file_handler_json, cache_file_json))) = open_cache_folder(&get_cache_file(), true, save_also_as_json, &mut text_messages.warnings) {
|
|
{
|
|
let writer = BufWriter::new(file_handler.unwrap()); // Unwrap because cannot fail here
|
|
if let Err(e) = bincode::serialize_into(writer, hashmap) {
|
|
text_messages
|
|
.warnings
|
|
.push(format!("Cannot write data to cache file {}, reason {}", cache_file.display(), e));
|
|
return;
|
|
}
|
|
}
|
|
if save_also_as_json {
|
|
if let Some(file_handler_json) = file_handler_json {
|
|
let writer = BufWriter::new(file_handler_json);
|
|
if let Err(e) = serde_json::to_writer(writer, hashmap) {
|
|
text_messages
|
|
.warnings
|
|
.push(format!("Cannot write data to cache file {}, reason {}", cache_file_json.display(), e));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
text_messages.messages.push(format!("Properly saved to file {} cache entries.", hashmap.len()));
|
|
}
|
|
}
|
|
|
|
fn load_cache_from_file(text_messages: &mut Messages, delete_outdated_cache: bool) -> Option<BTreeMap<String, FileEntry>> {
|
|
if let Some(((file_handler, cache_file), (file_handler_json, cache_file_json))) = open_cache_folder(&get_cache_file(), false, true, &mut text_messages.warnings) {
|
|
let mut hashmap_loaded_entries: BTreeMap<String, FileEntry>;
|
|
if let Some(file_handler) = file_handler {
|
|
let reader = BufReader::new(file_handler);
|
|
hashmap_loaded_entries = match bincode::deserialize_from(reader) {
|
|
Ok(t) => t,
|
|
Err(e) => {
|
|
text_messages
|
|
.warnings
|
|
.push(format!("Failed to load data from cache file {}, reason {}", cache_file.display(), e));
|
|
return None;
|
|
}
|
|
};
|
|
} else {
|
|
let reader = BufReader::new(file_handler_json.unwrap()); // Unwrap cannot fail, because at least one file must be valid
|
|
hashmap_loaded_entries = match serde_json::from_reader(reader) {
|
|
Ok(t) => t,
|
|
Err(e) => {
|
|
text_messages
|
|
.warnings
|
|
.push(format!("Failed to load data from cache file {}, reason {}", cache_file_json.display(), e));
|
|
return None;
|
|
}
|
|
};
|
|
}
|
|
|
|
// Don't load cache data if destination file not exists
|
|
if delete_outdated_cache {
|
|
hashmap_loaded_entries.retain(|src_path, _file_entry| Path::new(src_path).exists());
|
|
}
|
|
|
|
text_messages.messages.push(format!("Properly loaded {} cache entries.", hashmap_loaded_entries.len()));
|
|
|
|
return Some(hashmap_loaded_entries);
|
|
}
|
|
None
|
|
}
|
|
|
|
fn get_cache_file() -> String {
|
|
"cache_broken_files.bin".to_string()
|
|
}
|
|
|
|
fn check_extension_availability(file_name_lowercase: &str) -> TypeOfFile {
|
|
if IMAGE_RS_BROKEN_FILES_EXTENSIONS.iter().any(|e| file_name_lowercase.ends_with(e)) {
|
|
TypeOfFile::Image
|
|
} else if ZIP_FILES_EXTENSIONS.iter().any(|e| file_name_lowercase.ends_with(e)) {
|
|
TypeOfFile::ArchiveZip
|
|
} else if AUDIO_FILES_EXTENSIONS.iter().any(|e| file_name_lowercase.ends_with(e)) {
|
|
TypeOfFile::Audio
|
|
} else if PDF_FILES_EXTENSIONS.iter().any(|e| file_name_lowercase.ends_with(e)) {
|
|
TypeOfFile::PDF
|
|
} else {
|
|
TypeOfFile::Unknown
|
|
}
|
|
}
|
|
|
|
fn unpack_pdf_error(e: PdfError) -> PdfError {
|
|
if let Try {
|
|
file: _,
|
|
line: _,
|
|
column: _,
|
|
// context: _,
|
|
source,
|
|
} = e
|
|
{
|
|
unpack_pdf_error(*source)
|
|
} else {
|
|
e
|
|
}
|
|
}
|