763 lines
30 KiB
Rust
763 lines
30 KiB
Rust
use std::collections::{BTreeMap, BTreeSet, HashMap};
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use std::fs::OpenOptions;
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use std::fs::{File, Metadata};
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use std::io::Write;
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use std::io::*;
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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, thread};
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use crossbeam_channel::Receiver;
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use directories_next::ProjectDirs;
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use ffmpeg_cmdline_utils::FfmpegErrorKind::FfmpegNotFound;
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use humansize::{file_size_opts as options, FileSize};
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use rayon::prelude::*;
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use serde::{Deserialize, Serialize};
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use vid_dup_finder_lib::HashCreationErrorKind::DetermineVideo;
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use vid_dup_finder_lib::{NormalizedTolerance, VideoHash};
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use crate::common::Common;
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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::{DebugPrint, PrintResults, SaveResults};
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use crate::fl;
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use crate::localizer::generate_translation_hashmap;
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pub const MAX_TOLERANCE: i32 = 20;
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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 videos_checked: usize,
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pub videos_to_check: usize,
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}
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct FileEntry {
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pub path: PathBuf,
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pub size: u64,
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pub modified_date: u64,
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pub vhash: VideoHash,
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pub error: String,
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}
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/// Distance metric to use with the BK-tree.
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struct Hamming;
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impl bk_tree::Metric<Vec<u8>> for Hamming {
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fn distance(&self, a: &Vec<u8>, b: &Vec<u8>) -> u32 {
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hamming::distance_fast(a, b).unwrap() as u32
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}
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fn threshold_distance(&self, a: &Vec<u8>, b: &Vec<u8>, _threshold: u32) -> Option<u32> {
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Some(self.distance(a, b))
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}
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}
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/// Struct to store most basics info about all folder
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pub struct SimilarVideos {
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information: Info,
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text_messages: Messages,
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directories: Directories,
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excluded_items: ExcludedItems,
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allowed_extensions: Extensions,
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similar_vectors: Vec<Vec<FileEntry>>,
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recursive_search: bool,
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minimal_file_size: u64,
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maximal_file_size: u64,
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videos_hashes: BTreeMap<Vec<u8>, Vec<FileEntry>>,
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stopped_search: bool,
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videos_to_check: BTreeMap<String, FileEntry>,
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use_cache: bool,
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tolerance: i32,
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delete_outdated_cache: bool,
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exclude_videos_with_same_size: bool,
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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_removed_files: usize,
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pub number_of_failed_to_remove_files: usize,
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pub gained_space: u64,
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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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/// Method implementation for EmptyFolder
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impl SimilarVideos {
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/// New function providing basics values
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pub fn new() -> Self {
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Self {
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information: Default::default(),
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text_messages: Messages::new(),
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directories: Directories::new(),
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excluded_items: Default::default(),
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allowed_extensions: Extensions::new(),
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similar_vectors: vec![],
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recursive_search: true,
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minimal_file_size: 1024 * 16,
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maximal_file_size: u64::MAX,
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videos_hashes: Default::default(),
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stopped_search: false,
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videos_to_check: Default::default(),
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use_cache: true,
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tolerance: 10,
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delete_outdated_cache: false,
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exclude_videos_with_same_size: false,
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}
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}
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pub fn set_exclude_videos_with_same_size(&mut self, exclude_videos_with_same_size: bool) {
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self.exclude_videos_with_same_size = exclude_videos_with_same_size;
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}
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pub fn set_delete_outdated_cache(&mut self, delete_outdated_cache: bool) {
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self.delete_outdated_cache = delete_outdated_cache;
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}
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pub fn set_tolerance(&mut self, tolerance: i32) {
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assert!((0..=MAX_TOLERANCE).contains(&tolerance));
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self.tolerance = tolerance
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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_text_messages(&self) -> &Messages {
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&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 const fn get_similar_videos(&self) -> &Vec<Vec<FileEntry>> {
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&self.similar_vectors
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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_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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pub fn set_minimal_file_size(&mut self, minimal_file_size: u64) {
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self.minimal_file_size = match minimal_file_size {
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0 => 1,
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t => t,
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};
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}
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pub fn set_maximal_file_size(&mut self, maximal_file_size: u64) {
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self.maximal_file_size = match maximal_file_size {
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0 => 1,
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t => t,
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};
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}
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/// Public function used by CLI to search for empty folders
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pub fn find_similar_videos(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) {
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if !check_if_ffmpeg_is_installed() {
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self.text_messages.errors.push("Cannot find proper installation of FFmpeg.".to_string());
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} else {
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self.directories.optimize_directories(true, &mut self.text_messages);
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if !self.check_for_similar_videos(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.sort_videos(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.delete_folders {
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// self.delete_empty_folders();
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// }
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}
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self.debug_print();
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}
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// pub fn set_delete_folder(&mut self, delete_folder: bool) {
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// self.delete_folders = delete_folder;
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// }
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/// Function to check if folder are empty.
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/// Parameter initial_checking for second check before deleting to be sure that checked folder is still empty
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fn check_for_similar_videos(&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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self.allowed_extensions.extend_allowed_extensions(&[
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".mp4", ".mpv", ".flv", ".mp4a", ".webm", ".mpg", ".mp2", ".mpeg", ".m4p", ".m4v", ".avi", ".wmv", ".qt", ".mov", ".swf", ".mkv",
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]);
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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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const LOOP_DURATION: u32 = 200; //in ms
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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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videos_checked: atomic_file_counter.load(Ordering::Relaxed) as usize,
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videos_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(fl!(
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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(fl!(
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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(fl!(
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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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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(fl!(
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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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// Checking files
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if (self.minimal_file_size..=self.maximal_file_size).contains(&metadata.len()) {
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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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size: metadata.len(),
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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(fl!(
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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(fl!(
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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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vhash: Default::default(),
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error: "".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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}
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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.videos_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_for_similar_videos".to_string());
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true
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}
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fn sort_videos(&mut self, stop_receiver: Option<&Receiver<()>>, progress_sender: Option<&futures::channel::mpsc::UnboundedSender<ProgressData>>) -> bool {
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let hash_map_modification = 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_hashes_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.videos_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 videos 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 video changed, then it is clear that is different video
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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.videos_to_check, &mut non_cached_files_to_check);
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}
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Common::print_time(
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hash_map_modification,
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SystemTime::now(),
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"sort_videos - reading data from cache and preparing them".to_string(),
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);
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let hash_map_modification = SystemTime::now();
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//// PROGRESS THREAD START
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const LOOP_DURATION: u32 = 200; //in ms
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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 videos_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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videos_checked: atomic_file_counter.load(Ordering::Relaxed) as usize,
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videos_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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.par_iter()
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.map(|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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// This will not break
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return None;
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}
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let mut file_entry = file_entry.1.clone();
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let vhash = match VideoHash::from_path(&file_entry.path) {
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Ok(t) => t,
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Err(e) => {
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return {
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file_entry.error = format!("Failed to hash file, reason {}", e);
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Some(file_entry)
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}
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}
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};
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file_entry.vhash = vhash;
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Some(file_entry)
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})
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.while_some()
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.collect::<Vec<FileEntry>>();
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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(hash_map_modification, SystemTime::now(), "sort_videos - reading data from files in parallel".to_string());
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let hash_map_modification = SystemTime::now();
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// Just connect loaded results with already calculated hashes
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for (_name, file_entry) in records_already_cached {
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vec_file_entry.push(file_entry.clone());
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|
}
|
|
|
|
let mut hashmap_with_file_entries: HashMap<String, FileEntry> = Default::default();
|
|
let mut vector_of_hashes: Vec<VideoHash> = Vec::new();
|
|
for file_entry in &vec_file_entry {
|
|
// 0 means that images was not hashed correctly, e.g. could be improperly
|
|
if file_entry.error.is_empty() {
|
|
hashmap_with_file_entries.insert(file_entry.vhash.src_path().to_string_lossy().to_string(), file_entry.clone());
|
|
vector_of_hashes.push(file_entry.vhash.clone());
|
|
} else {
|
|
self.text_messages.warnings.push(file_entry.error.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> = loaded_hash_map;
|
|
for file_entry in vec_file_entry {
|
|
all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
|
|
}
|
|
save_hashes_to_file(&all_results, &mut self.text_messages);
|
|
}
|
|
|
|
Common::print_time(hash_map_modification, SystemTime::now(), "sort_videos - saving data to files".to_string());
|
|
let hash_map_modification = SystemTime::now();
|
|
|
|
let match_group = vid_dup_finder_lib::search(vector_of_hashes, NormalizedTolerance::new(self.tolerance as f64 / 100.0f64));
|
|
|
|
let mut collected_similar_videos: Vec<Vec<FileEntry>> = Default::default();
|
|
for i in match_group {
|
|
let mut temp_vector: Vec<FileEntry> = Vec::new();
|
|
let mut bt_size: BTreeSet<u64> = Default::default();
|
|
for j in i.duplicates() {
|
|
let file_entry = hashmap_with_file_entries.get(&j.to_string_lossy().to_string()).unwrap();
|
|
if self.exclude_videos_with_same_size {
|
|
if !bt_size.contains(&file_entry.size) {
|
|
bt_size.insert(file_entry.size);
|
|
temp_vector.push(file_entry.clone());
|
|
}
|
|
} else {
|
|
temp_vector.push(file_entry.clone());
|
|
}
|
|
}
|
|
if temp_vector.len() > 1 {
|
|
collected_similar_videos.push(temp_vector);
|
|
}
|
|
}
|
|
|
|
self.similar_vectors = collected_similar_videos;
|
|
|
|
Common::print_time(hash_map_modification, SystemTime::now(), "sort_videos - selecting data from BtreeMap".to_string());
|
|
|
|
// Clean unused data
|
|
self.videos_hashes = Default::default();
|
|
self.videos_to_check = Default::default();
|
|
|
|
true
|
|
}
|
|
|
|
/// Set included dir which needs to be relative, exists etc.
|
|
pub fn set_included_directory(&mut self, included_directory: Vec<PathBuf>) {
|
|
self.directories.set_included_directory(included_directory, &mut self.text_messages);
|
|
}
|
|
|
|
pub fn set_excluded_directory(&mut self, excluded_directory: Vec<PathBuf>) {
|
|
self.directories.set_excluded_directory(excluded_directory, &mut self.text_messages);
|
|
}
|
|
|
|
pub fn set_excluded_items(&mut self, excluded_items: Vec<String>) {
|
|
self.excluded_items.set_excluded_items(excluded_items, &mut self.text_messages);
|
|
}
|
|
}
|
|
|
|
impl Default for SimilarVideos {
|
|
fn default() -> Self {
|
|
Self::new()
|
|
}
|
|
}
|
|
|
|
impl DebugPrint for SimilarVideos {
|
|
#[allow(dead_code)]
|
|
#[allow(unreachable_code)]
|
|
fn debug_print(&self) {
|
|
#[cfg(not(debug_assertions))]
|
|
{
|
|
return;
|
|
}
|
|
|
|
println!("---------------DEBUG PRINT---------------");
|
|
println!("Included directories - {:?}", self.directories.included_directories);
|
|
println!("-----------------------------------------");
|
|
}
|
|
}
|
|
|
|
impl SaveResults for SimilarVideos {
|
|
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.similar_vectors.is_empty() {
|
|
write!(writer, "{} videos which have similar friends\n\n", self.similar_vectors.len()).unwrap();
|
|
|
|
for struct_similar in self.similar_vectors.iter() {
|
|
writeln!(writer, "Found {} videos which have similar friends", self.similar_vectors.len()).unwrap();
|
|
for file_entry in struct_similar {
|
|
writeln!(writer, "{} - {}", file_entry.path.display(), file_entry.size.file_size(options::BINARY).unwrap(),).unwrap();
|
|
}
|
|
writeln!(writer).unwrap();
|
|
}
|
|
} else {
|
|
write!(writer, "Not found any similar videos.").unwrap();
|
|
}
|
|
|
|
Common::print_time(start_time, SystemTime::now(), "save_results_to_file".to_string());
|
|
true
|
|
}
|
|
}
|
|
|
|
impl PrintResults for SimilarVideos {
|
|
fn print_results(&self) {
|
|
if !self.similar_vectors.is_empty() {
|
|
println!("Found {} videos which have similar friends", self.similar_vectors.len());
|
|
|
|
for vec_file_entry in &self.similar_vectors {
|
|
for file_entry in vec_file_entry {
|
|
println!("{} - {}", file_entry.path.display(), file_entry.size.file_size(options::BINARY).unwrap());
|
|
}
|
|
println!();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn save_hashes_to_file(hashmap: &BTreeMap<String, FileEntry>, text_messages: &mut Messages) {
|
|
if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
|
|
let cache_dir = PathBuf::from(proj_dirs.cache_dir());
|
|
if cache_dir.exists() {
|
|
if !cache_dir.is_dir() {
|
|
text_messages.messages.push(format!("Config dir {} is a file!", cache_dir.display()));
|
|
return;
|
|
}
|
|
} else if let Err(e) = fs::create_dir_all(&cache_dir) {
|
|
text_messages.messages.push(format!("Cannot create config dir {}, reason {}", cache_dir.display(), e));
|
|
return;
|
|
}
|
|
|
|
let cache_file = cache_dir.join(cache_dir.join(get_cache_file()));
|
|
let file_handler = match OpenOptions::new().truncate(true).write(true).create(true).open(&cache_file) {
|
|
Ok(t) => t,
|
|
Err(e) => {
|
|
text_messages
|
|
.messages
|
|
.push(format!("Cannot create or open cache file {}, reason {}", cache_file.display(), e));
|
|
return;
|
|
}
|
|
};
|
|
|
|
let writer = BufWriter::new(file_handler);
|
|
#[cfg(not(debug_assertions))]
|
|
if let Err(e) = bincode::serialize_into(writer, hashmap) {
|
|
text_messages
|
|
.messages
|
|
.push(format!("Cannot write data to cache file {}, reason {}", cache_file.display(), e));
|
|
return;
|
|
}
|
|
#[cfg(debug_assertions)]
|
|
if let Err(e) = serde_json::to_writer(writer, hashmap) {
|
|
text_messages
|
|
.messages
|
|
.push(format!("Cannot write data to cache file {}, reason {}", cache_file.display(), e));
|
|
return;
|
|
}
|
|
|
|
text_messages.messages.push(format!("Properly saved to file {} cache entries.", hashmap.len()));
|
|
}
|
|
}
|
|
|
|
pub fn load_hashes_from_file(text_messages: &mut Messages, delete_outdated_cache: bool) -> Option<BTreeMap<String, FileEntry>> {
|
|
if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
|
|
let cache_dir = PathBuf::from(proj_dirs.cache_dir());
|
|
let cache_file = cache_dir.join(get_cache_file());
|
|
let file_handler = match OpenOptions::new().read(true).open(&cache_file) {
|
|
Ok(t) => t,
|
|
Err(_inspected) => {
|
|
// text_messages.messages.push(format!("Cannot find or open cache file {}", cache_file.display())); // No error warning
|
|
return None;
|
|
}
|
|
};
|
|
|
|
let reader = BufReader::new(file_handler);
|
|
#[cfg(debug_assertions)]
|
|
let mut hashmap_loaded_entries: BTreeMap<String, FileEntry> = 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.display(), e));
|
|
return None;
|
|
}
|
|
};
|
|
#[cfg(not(debug_assertions))]
|
|
let mut hashmap_loaded_entries: BTreeMap<String, FileEntry> = 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;
|
|
}
|
|
};
|
|
|
|
// 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);
|
|
}
|
|
|
|
text_messages.messages.push("Cannot find or open system config dir to save cache file.".to_string());
|
|
None
|
|
}
|
|
|
|
fn get_cache_file() -> String {
|
|
let extension;
|
|
#[cfg(debug_assertions)]
|
|
{
|
|
extension = "json";
|
|
}
|
|
#[cfg(not(debug_assertions))]
|
|
{
|
|
extension = "bin";
|
|
}
|
|
|
|
format!("cache_similar_videos.{}", extension)
|
|
}
|
|
|
|
pub fn check_if_ffmpeg_is_installed() -> bool {
|
|
let vid = "999999999999999999.txt";
|
|
if let Err(DetermineVideo {
|
|
src_path: _a,
|
|
error: FfmpegNotFound,
|
|
}) = VideoHash::from_path(&vid)
|
|
{
|
|
return false;
|
|
}
|
|
true
|
|
}
|