caesura 0.29.0

An all-in-one command line tool to transcode FLAC audio files and upload to gazelle based indexers/trackers
Documentation 
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use crate::prelude::*;

/// Factory for creating [`SpectrogramJob`] instances.
#[injectable]
pub(crate) struct SpectrogramJobFactory {
    paths: Ref<PathManager>,
    sox: Ref<SoxFactory>,
}

impl SpectrogramJobFactory {
    /// Create a [`SpectrogramJob`] for each [`FlacFile`] in the [`Vec<FlacFile>`].
    #[must_use]
    pub(crate) fn create(&self, flacs: &[FlacFile], source: &Source) -> Vec<Job> {
        let mut jobs = Vec::new();
        for (index, flac) in flacs.iter().enumerate() {
            jobs.push(self.create_single(source, index, flac, Size::Zoom));
            jobs.push(self.create_single(source, index, flac, Size::Full));
        }
        jobs
    }

    /// Create a single [`SpectrogramJob`] instance from `flac_file`.
    ///
    /// Arguments:
    ///
    /// * `flac_file`: Path to the flac file.
    /// * `size`: Size of the spectrogram to create.
    fn create_single(&self, source: &Source, index: usize, flac: &FlacFile, size: Size) -> Job {
        let out_filename = flac.file_name.clone()
            + match size {
                Size::Full => ".full.png",
                Size::Zoom => ".zoom.png",
            };
        let id = format!("Spectrogram {size:<4?}{index:>3}");
        let source_path = flac.get_path_string();
        let output_path = self
            .paths
            .get_spectrogram_dir(source)
            .join(&flac.sub_dir)
            .join(out_filename);
        let image_title = flac.file_name.clone();
        let duration_secs = flac
            .get_stream_info()
            .ok()
            .and_then(|info| get_duration(&info));
        Job::Spectrogram(SpectrogramJob {
            id,
            source_path,
            output_path,
            image_title,
            size,
            duration_secs,
            sox: self.sox.clone(),
        })
    }
}