79 lines
1.9 KiB
Rust
79 lines
1.9 KiB
Rust
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use crate::{
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Error,
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internals::http::HttpClient
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};
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use regex::Regex;
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use std::fs::{
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write,
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read_to_string,
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remove_file
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};
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use poise::{
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CreateReply,
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serenity_prelude::CreateAttachment
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};
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/// Convert MIDI file to WAV
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#[poise::command(context_menu_command = "MIDI -> WAV")]
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pub async fn midi_to_wav(
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ctx: poise::Context<'_, (), Error>,
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#[description = "MIDI file to be converted"] message: poise::serenity_prelude::Message
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) -> Result<(), Error> {
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ctx.defer().await?;
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let http = HttpClient::new();
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let resp = http.get(&message.attachments[0].url, "MIDI Conversion").await?;
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let bytes = resp.bytes().await?;
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let midi_path = &message.attachments[0].filename;
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write(midi_path, bytes)?;
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let re = Regex::new(r"(?i)\.mid$").unwrap();
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let wav_path = re.replace(&midi_path, ".wav");
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let alpine_sf2 = include_bytes!("../internals/assets/FluidR3_GM.sf2");
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let sf2_path = if let Ok(os_release) = read_to_string("/etc/os-release") {
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if os_release.contains("Alpine") {
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let sf2_path = "/tmp/FluidR3_GM.sf2";
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write(sf2_path, alpine_sf2)?;
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sf2_path
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} else {
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"/usr/share/sounds/sf2/FluidR3_GM.sf2"
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}
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} else {
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return Err(Error::from("Couldn't read \"/etc/os-release\" file!"))
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};
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let output = std::process::Command::new("fluidsynth")
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.args(&[
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"-ni", sf2_path, midi_path, "-F", &wav_path
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])
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.output();
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match output {
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Ok(_) => {
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ctx.send(CreateReply::default()
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.attachment(CreateAttachment::path(&*wav_path).await.unwrap())
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).await.expect("Reply failed");
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remove_file(midi_path)?;
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remove_file(&*wav_path)?;
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},
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Err(y) => {
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ctx.send(CreateReply::default()
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.content("Command didn't execute successfully, check console for more information!")
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)
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.await.unwrap();
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return Err(Error::from(format!(
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"Midi conversion failed: {}",
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y
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)))
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}
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}
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Ok(())
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}
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