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use std::{error::Error, path::PathBuf};
use clap::{arg, command, Parser, Subcommand};
use env_logger::Env;
use mp32rss::{de::hms_duration, s3::Access, MP32RSS};
use tokio::{fs::File, io::AsyncReadExt};
#[derive(Parser, Debug)]
#[command(version, about)]
struct Args {
#[arg(short, long)]
bucket: String,
#[command(subcommand)]
command: Command,
}
#[derive(Subcommand, Debug)]
enum Command {
/// Scan the bucket for new files and regenerate the feed.
Refresh,
/// Rerender the feed.
Render,
/// Edit the metadata for an entry.
Edit(EditArgs),
/// Delete an entry and remove the file from the bucket.
Delete {
/// The key to the file in the bucket.
filename: String,
},
/// List the templates.
Templates,
/// Add or replace a template and regenerate the feed.
AddTemplate(AddTemplateArgs),
/// Remove a template and the files generated from it.
RemoveTemplate {
/// The template name.
name: String,
},
}
#[derive(clap::Args, Debug)]
struct EditArgs {
/// The key to the file in the bucket.
filename: String,
/// The entry title.
#[arg(long)]
title: Option<String>,
/// The entry album.
#[arg(long)]
album: Option<String>,
/// The entry artist.
#[arg(long)]
artist: Option<String>,
/// The file size in bytes.
#[arg(long)]
size: Option<i64>,
/// The track length in h:m:s.
#[arg(long)]
duration: Option<String>,
/// True if the entry should not be published.
#[arg(long)]
hidden: Option<bool>,
}
#[derive(clap::Args, Debug)]
struct AddTemplateArgs {
/// True if the template should be rendered once for all entries.
#[arg(long)]
index: bool,
#[arg(long)]
partial: bool,
#[arg(long)]
content_type: Option<String>,
#[arg(long)]
filter: Option<String>,
/// The template filename.
filename: PathBuf,
/// The rendered filename.
name: String,
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
let args = Args::parse();
let config = aws_config::load_from_env().await;
let client = aws_sdk_s3::Client::new(&config);
let access = Access::new(client, args.bucket);
let mut feed = MP32RSS::open(access).await?;
match args.command {
Command::Refresh => feed.refresh().await,
Command::Render => feed.render(|_| true).await,
Command::Edit(edit_args) => update_entry(&mut feed, edit_args).await,
Command::Delete { filename } => feed.delete(&filename).await,
Command::Templates => list_templates(&feed),
Command::AddTemplate(add_template_args) => add_template(&mut feed, add_template_args).await,
Command::RemoveTemplate { name } => feed.delete_template(&name).await,
}
}
async fn update_entry(feed: &mut MP32RSS, args: EditArgs) -> Result<(), Box<dyn Error>> {
if let Some(entry) = feed.get_mut_entry(&args.filename) {
if let Some(v) = args.title {
entry.title = Some(v);
}
if let Some(v) = args.album {
entry.album = Some(v);
}
if let Some(v) = args.artist {
entry.artist = Some(v);
}
if let Some(v) = args.size {
entry.size = v;
}
if let Some(v) = args.duration {
entry.duration = hms_duration::from_string(v)?;
}
if let Some(v) = args.hidden {
entry.hidden = v;
}
}
feed.render(|e| e.filename == args.filename).await
}
fn list_templates(feed: &MP32RSS) -> Result<(), Box<dyn Error>> {
println!(
"{:<20} {:<5} {:<7} content-type",
"name", "index", "partial"
);
println!("{:-<20} {:-<5} {:-<7} {:-<12}", "", "", "", "");
for template in feed.templates() {
println!(
"{:<20} {:<5} {:<7} {}",
template.name,
if template.index { "index" } else { "" },
if template.partial { "partial" } else { "" },
template.content_type.as_deref().unwrap_or("text/html")
);
}
Ok(())
}
async fn add_template(feed: &mut MP32RSS, args: AddTemplateArgs) -> Result<(), Box<dyn Error>> {
let mut file = File::open(&args.filename).await?;
let mut data = String::new();
file.read_to_string(&mut data).await?;
feed.add_template(
args.name,
data,
args.index,
args.partial,
args.content_type,
args.filter,
)
.await
}
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