237 lines
8.6 KiB
Rust
237 lines
8.6 KiB
Rust
use crate::util::parse_abbreviated_number;
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use crate::DbPool;
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use crate::providers::Provider;
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use crate::util::cache::VideoCache;
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use crate::util::time::parse_time_to_seconds;
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use crate::videos::{ServerOptions, VideoItem};
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use error_chain::error_chain;
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use htmlentity::entity::{ICodedDataTrait, decode};
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use std::vec;
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use std::time::{SystemTime, UNIX_EPOCH};
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use async_trait::async_trait;
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error_chain! {
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foreign_links {
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Io(std::io::Error);
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HttpRequest(wreq::Error);
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}
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}
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#[derive(Debug, Clone)]
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pub struct Rule34videoProvider {
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url: String,
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}
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impl Rule34videoProvider {
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pub fn new() -> Self {
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Rule34videoProvider {
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url: "https://rule34video.com".to_string(),
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}
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}
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async fn get(
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&self,
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cache: VideoCache,
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page: u8,
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sort: &str,
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options: ServerOptions
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) -> Result<Vec<VideoItem>> {
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let now = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Time went backwards");
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let timestamp_millis = now.as_millis(); // u128
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let expected_sorts = vec!["post_date", "video_viewed", "rating", "duration", "pseudo_random"];
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let sort = if expected_sorts.contains(&sort) {
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sort
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} else {
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"post_date"
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};
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let index = format!("rule34video:{}:{}", page, sort);
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let url = format!("{}/?mode=async&function=get_block&block_id=custom_list_videos_most_recent_videos&tag_ids=&sort_by={}&from={}&_={}", self.url, sort, page, timestamp_millis);
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let mut old_items: Vec<VideoItem> = vec![];
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if !(sort == "pseudo_random") {
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old_items = match cache.get(&index) {
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Some((time, items)) => {
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if time.elapsed().unwrap_or_default().as_secs() < 60 * 5 {
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println!("Cache hit for URL: {}", url);
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return Ok(items.clone());
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} else {
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items.clone()
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}
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}
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None => {
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vec![]
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}
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};
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}
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let mut requester = options.requester.clone().unwrap();
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let text = requester.get(&url).await.unwrap();
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let video_items: Vec<VideoItem> = self.get_video_items_from_html(text.clone());
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if !video_items.is_empty() {
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cache.remove(&url);
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cache.insert(url.clone(), video_items.clone());
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} else {
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return Ok(old_items);
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}
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Ok(video_items)
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}
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async fn query(
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&self,
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cache: VideoCache,
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page: u8,
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query: &str,
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sort: &str,
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options: ServerOptions
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) -> Result<Vec<VideoItem>> {
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let now = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("Time went backwards");
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let timestamp_millis = now.as_millis(); // u128
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let expected_sorts = vec!["post_date", "video_viewed", "rating", "duration", "pseudo_random"];
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let sort = if expected_sorts.contains(&sort) {
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sort
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} else {
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"post_date"
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};
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let index = format!("rule34video:{}:{}:{}", page, sort, query);
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let url = format!("{}/search/{}/?mode=async&function=get_block&block_id=custom_list_videos_videos_list_search&tag_ids=&sort_by={}&from_videos={}&from_albums={}&_={}", self.url, query.replace(" ","-"), sort, page, page, timestamp_millis);
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// Check our Video Cache. If the result is younger than 1 hour, we return it.
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let old_items = match cache.get(&index) {
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Some((time, items)) => {
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if time.elapsed().unwrap_or_default().as_secs() < 60 * 5 {
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return Ok(items.clone());
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} else {
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let _ = cache.check().await;
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return Ok(items.clone());
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}
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}
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None => {
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vec![]
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}
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};
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let mut requester = options.requester.clone().unwrap();
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let text = requester.get(&url).await.unwrap();
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let video_items: Vec<VideoItem> = self.get_video_items_from_html(text.clone());
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if !video_items.is_empty() {
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cache.remove(&url);
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cache.insert(url.clone(), video_items.clone());
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} else {
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return Ok(old_items);
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}
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Ok(video_items)
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}
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fn get_video_items_from_html(&self, html: String) -> Vec<VideoItem> {
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if html.is_empty() {
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println!("HTML is empty");
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return vec![];
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}
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let mut items: Vec<VideoItem> = Vec::new();
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let video_listing_content = html.split("<div class=\"thumbs clearfix\" id=\"custom_list_videos").collect::<Vec<&str>>()[1].split("<div class=\"pagination\"").collect::<Vec<&str>>()[0].to_string();
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let raw_videos = video_listing_content
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.split("<div class=\"item thumb video_")
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.collect::<Vec<&str>>()[1..]
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.to_vec();
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for video_segment in &raw_videos {
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// let vid = video_segment.split("\n").collect::<Vec<&str>>()[1]
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// for (index, line) in vid.iter().enumerate() {
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// println!("Line {}: {}", index, line);
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// }
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if video_segment.contains("https://rule34video.com/images/advertisements"){
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continue;
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}
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let mut title = video_segment.split("<div class=\"thumb_title\">").collect::<Vec<&str>>()[1]
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.split("<")
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.collect::<Vec<&str>>()[0]
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.to_string();
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// html decode
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title = decode(title.as_bytes()).to_string().unwrap_or(title);
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let id = video_segment.split("https://rule34video.com/video/").collect::<Vec<&str>>()[1].split("/").collect::<Vec<&str>>()[0].to_string();
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let raw_duration = video_segment.split("<div class=\"time\">").collect::<Vec<&str>>()[1]
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.split("<")
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.collect::<Vec<&str>>()[0]
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.to_string();
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let duration = parse_time_to_seconds(&raw_duration).unwrap_or(0) as u32;
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let views = parse_abbreviated_number(&video_segment
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.split("<div class=\"views\">").collect::<Vec<&str>>()[1].split("</svg>").collect::<Vec<&str>>()[1]
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.split("<")
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.collect::<Vec<&str>>()[0]).unwrap_or(0);
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//https://rule34video.com/get_file/47/5e71602b7642f9b997f90c979a368c99b8aad90d89/3942000/3942353/3942353_preview.mp4/
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//https://rule34video.com/get_file/47/5e71602b7642f9b997f90c979a368c99b8aad90d89/3942000/3942353/3942353_preview.mp4/
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let thumb = video_segment.split("<img class=\"thumb lazy-load\" src=\"").collect::<Vec<&str>>()[1].split("data-original=\"").collect::<Vec<&str>>()[1]
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.split("\"")
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.collect::<Vec<&str>>()[0]
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.to_string();
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let url = video_segment.split("<a class=\"th js-open-popup\" href=\"").collect::<Vec<&str>>()[1]
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.split("\"")
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.collect::<Vec<&str>>()[0]
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.to_string();
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// let preview = video_segment.split("<div class=\"img wrap_image\" data-preview=\"").collect::<Vec<&str>>()[1]
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// .split("\"")
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// .collect::<Vec<&str>>()[0]
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// .to_string();
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let video_item = VideoItem::new(
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id,
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title,
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url.to_string(),
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"Rule34video".to_string(),
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thumb,
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duration,
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)
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.views(views)
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// .preview(preview)
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;
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items.push(video_item);
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}
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return items;
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}
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}
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#[async_trait]
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impl Provider for Rule34videoProvider {
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async fn get_videos(
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&self,
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cache: VideoCache,
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pool: DbPool,
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sort: String,
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query: Option<String>,
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page: String,
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per_page: String,
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options: ServerOptions,
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) -> Vec<VideoItem> {
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let _ = options;
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let _ = per_page;
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let _ = pool; // Ignored in this implementation
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let videos: std::result::Result<Vec<VideoItem>, Error> = match query {
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Some(q) => {
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self.query(cache, page.parse::<u8>().unwrap_or(1), &q, &sort, options)
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.await
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}
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None => {
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self.get(cache, page.parse::<u8>().unwrap_or(1), &sort, options)
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.await
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}
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};
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match videos {
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Ok(v) => v,
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Err(e) => {
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println!("Error fetching videos: {}", e);
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vec![]
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}
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}
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}
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}
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