108 lines
3.6 KiB
Rust
108 lines
3.6 KiB
Rust
use std::sync::Arc;
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use super::Extractor;
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use crate::{
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addressing::Address,
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database::{
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constants,
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entry::{Entry, EntryValue},
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stores::{fs::FILE_MIME_KEY, UpStore},
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UpEndConnection,
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},
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util::jobs::{JobContainer, JobState},
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};
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use anyhow::{anyhow, Result};
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pub struct ID3Extractor;
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impl Extractor for ID3Extractor {
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fn get(
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&self,
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address: &Address,
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_connection: &UpEndConnection,
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store: Arc<Box<dyn UpStore + Send + Sync>>,
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mut job_container: JobContainer,
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) -> Result<Vec<Entry>> {
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if let Address::Hash(hash) = address {
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let files = store.retrieve(hash)?;
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if let Some(file) = files.get(0) {
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let file_path = file.get_file_path();
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let mut job_handle = job_container.add_job(
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None,
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&format!(
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r#"Getting ID3 info from "{:}""#,
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file_path
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.components()
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.last()
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.unwrap()
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.as_os_str()
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.to_string_lossy()
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),
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)?;
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let tags = id3::Tag::read_from_path(file_path)?;
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let result: Vec<Entry> = tags
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.frames()
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.flat_map(|frame| match frame.content() {
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id3::Content::Text(text) => vec![
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Entry {
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entity: address.clone(),
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attribute: format!("ID3_{}", frame.id()),
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value: match frame.id() {
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"TYER" | "TBPM" => EntryValue::guess_from(text),
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_ => text.clone().into(),
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},
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provenance: "SYSTEM EXTRACTOR".to_string(),
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timestamp: chrono::Utc::now().naive_utc(),
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},
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Entry {
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entity: Address::Attribute(format!("ID3_{}", frame.id())),
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attribute: constants::LABEL_ATTR.into(),
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value: format!("ID3: {}", frame.name()).into(),
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provenance: "SYSTEM EXTRACTOR".to_string(),
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timestamp: chrono::Utc::now().naive_utc(),
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},
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],
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_ => vec![],
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})
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.collect();
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let _ = job_handle.update_state(JobState::Done);
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Ok(result)
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} else {
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Err(anyhow!("Couldn't find file for {hash:?}!"))
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}
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} else {
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Ok(vec![])
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}
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}
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fn is_needed(&self, address: &Address, connection: &UpEndConnection) -> Result<bool> {
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let is_audio = connection.retrieve_object(address)?.iter().any(|e| {
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if e.attribute == FILE_MIME_KEY {
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if let EntryValue::String(mime) = &e.value {
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return mime.starts_with("audio") || mime == "application/x-riff";
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}
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}
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false
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});
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if !is_audio {
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return Ok(false);
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}
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let is_extracted = !connection
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.query(format!("(matches @{} (contains \"ID3\") ?)", address).parse()?)?
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.is_empty();
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if is_extracted {
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return Ok(false);
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}
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Ok(true)
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}
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}
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