feat: add support for Spotify albums & playlists (#1)

feat: improve formatting output

* duration is now in human readable format
* list of artists is now capped at 140 chars max

chore(docker): upgrade Docker image and lint it

chore(spotify): refactor spotify wrapper & function names

feat(spotify): add playlist support, add pre-commit checks

fix: set right visibility in structs & fields

- Cleanup old imports

feat: add support for album links

- perform little code refactor, create new module spotify

Co-authored-by: Davide Polonio <poloniodavide@gmail.com>
Reviewed-on: #1
master v0.2.2
Davide Polonio 2021-11-15 09:03:23 +00:00
parent 34c294ef0f
commit 91e3c89896
18 changed files with 381 additions and 58 deletions

1
.gitignore vendored
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@ -9,4 +9,3 @@ Cargo.lock
# These are backup files generated by rustfmt
**/*.rs.bk

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<component name="ProjectCodeStyleConfiguration">
<code_scheme name="Project" version="173">
<codeStyleSettings language="XML">
<indentOptions>
<option name="INDENT_SIZE" value="2" />
<option name="CONTINUATION_INDENT_SIZE" value="4" />
<option name="TAB_SIZE" value="2" />
</indentOptions>
</codeStyleSettings>
</code_scheme>
</component>

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@ -0,0 +1,5 @@
<component name="ProjectCodeStyleConfiguration">
<state>
<option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
</state>
</component>

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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GoogleJavaFormatSettings">
<option name="enabled" value="true" />
</component>
</project>

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@ -3,7 +3,4 @@
<component name="ProjectRootManager">
<output url="file://$PROJECT_DIR$/out" />
</component>
<component name="ScalaSbtSettings">
<option name="customVMPath" />
</component>
</project>

6
.idea/sbt.xml Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ScalaSbtSettings">
<option name="customVMPath" />
</component>
</project>

21
.pre-commit-config.yaml Normal file
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@ -0,0 +1,21 @@
# See https://pre-commit.com for more information
# See https://pre-commit.com/hooks.html for more hooks
repos:
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v3.2.0
hooks:
- id: trailing-whitespace
- id: check-merge-conflict
- id: end-of-file-fixer
- id: check-yaml
- id: check-added-large-files
- repo: https://github.com/doublify/pre-commit-rust
rev: v1.0
hooks:
- id: fmt
args: ['--verbose', '--']
- id: cargo-check
- repo: https://github.com/IamTheFij/docker-pre-commit
rev: v2.0.1
hooks:
- id: hadolint

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@ -1,6 +1,6 @@
[package]
name = "songlify"
version = "0.1.0"
version = "0.2.2"
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

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@ -1,18 +1,18 @@
FROM rust:1.55.0-bullseye as builder
FROM rust:1.56.1-slim-bullseye as builder
# ENV RUSTFLAGS="-C target-feature=+crt-static"
WORKDIR /build
RUN apt-get update && apt-get install -y \
libssl-dev
RUN apt-get update && apt-get install -y --no-install-recommends \
libssl-dev=1.1.1k-1+deb11u1 \
pkg-config=0.29.2-1
COPY ./ /build
RUN cargo build --release
FROM gcr.io/distroless/base
FROM gcr.io/distroless/base:latest-amd64
COPY --from=builder /build/target/release/songlify /usr/bin/songlify
COPY --from=builder /lib/x86_64-linux-gnu/libgcc_s.so.1 /lib/x86_64-linux-gnu/
COPY --from=builder /usr/lib/x86_64-linux-gnu/libstdc++.so.6 /usr/lib/x86_64-linux-gnu/
ENTRYPOINT /usr/bin/songlify
ENTRYPOINT ["/usr/bin/songlify"]

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@ -1,39 +1,15 @@
use crate::SpotifyURL::Track;
use aspotify::{Client, ClientCredentials};
use std::time::Duration;
use teloxide::prelude::*;
enum SpotifyURL {
Track(String),
}
use crate::spotify::TrackInfo;
use spotify::SpotifyKind::Track;
struct TrackInfo {
name: String,
artist: Vec<String>,
duration: Duration,
}
use crate::spotify::SpotifyKind::{Album, Playlist};
use crate::utils::{human_readable_duration, truncate_with_dots};
fn get_spotify_entry(url: &str) -> Option<SpotifyURL> {
if url.contains("https://open.spotify.com/track/") {
let track_id = url.rsplit('/').next().and_then(|x| x.split('?').next());
return match track_id {
Some(id) => Some(SpotifyURL::Track(id.to_string())),
None => None,
};
}
return None;
}
mod spotify;
mod utils;
async fn get_spotify_track(spotify: Box<Client>, id: &String) -> Option<TrackInfo> {
match spotify.tracks().get_track(id.as_str(), None).await {
Ok(track) => Some(TrackInfo {
name: track.data.name,
artist: track.data.artists.iter().map(|x| x.name.clone()).collect(),
duration: track.data.duration,
}),
Err(_e) => None,
}
}
static MAX_ARTISTS_CHARS: usize = 140;
#[tokio::main]
async fn main() {
@ -42,32 +18,80 @@ async fn main() {
let bot = Bot::from_env().auto_send();
teloxide::repl(bot, |message| async move {
let text = message.update.text().and_then(get_spotify_entry);
let text = message.update.text().and_then(spotify::get_entry_kind);
match text {
Some(spotify) => {
let spotify_creds =
ClientCredentials::from_env().expect("CLIENT_ID and CLIENT_SECRET not found.");
let spotify_client = Box::new(Client::new(spotify_creds));
let spotify_client = spotify::get_client();
match spotify {
Track(id) => {
log::debug!("Parsing spotify song: {}", id);
let track_info = get_spotify_track(spotify_client, &id).await;
let track_info = spotify::get_track(spotify_client, &id).await;
match track_info {
Some(info) => {
let reply = format!(
"Track information:\n\
🎵 Track name: {}\n\
🧑🎤 Artist(s): {}\n\
Duration: {} second(s)",
Duration: {}",
info.name,
info.artist.join(", "),
info.duration.as_secs()
truncate_with_dots(info.artists.join(", "), MAX_ARTISTS_CHARS),
human_readable_duration(info.duration)
);
Some(message.reply_to(reply).await?)
}
None => None,
}
}
Album(id) => {
log::debug!("Parsing spotify album: {}", id);
let album_info = spotify::get_album(spotify_client, &id).await;
match album_info {
Some(info) => {
let mut reply = format!(
"Album information:\n\
🎵 Album name: {}\n\
🧑🎤 {} artist(s): {}",
info.name,
info.artists.len(),
truncate_with_dots(info.artists.join(", "), MAX_ARTISTS_CHARS)
);
if !info.genres.is_empty() {
reply.push_str(
format!("\n💿 Genre(s): {}", info.genres.join(", "))
.as_str(),
);
}
Some(
message
.reply_to(add_track_section(info.tracks, reply))
.await?,
)
}
None => None,
}
}
Playlist(id) => {
log::debug!("Parsing spotify playlist: {}", id);
let playlist_info = spotify::get_playlist(spotify_client, &id).await;
match playlist_info {
Some(info) => {
let reply = format!(
"Playlist information:\n\
Playlist name: {}\n\
🧑🎤 {} artist(s): {}",
info.name,
info.artists.len(),
truncate_with_dots(info.artists.join(", "), MAX_ARTISTS_CHARS)
);
Some(
message
.reply_to(add_track_section(info.tracks, reply))
.await?,
)
}
None => None,
}
}
}
}
None => None,
@ -78,3 +102,16 @@ async fn main() {
log::info!("Exiting...");
}
fn add_track_section(tracks: Vec<TrackInfo>, reply: String) -> String {
if !tracks.is_empty() {
let songs = tracks
.iter()
.map(|x| x.name.clone() + "\n")
.collect::<String>();
reply
.clone()
.push_str(format!("\n🎶 {} Track(s): {}", tracks.len(), songs).as_str())
}
reply
}

145
src/spotify/mod.rs Normal file
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@ -0,0 +1,145 @@
use std::time::Duration;
use aspotify::PlaylistItemType::{Episode, Track};
use aspotify::{Client, ClientCredentials, TrackSimplified};
pub enum SpotifyKind {
Track(String),
Album(String),
Playlist(String),
}
pub struct TrackInfo {
pub(crate) name: String,
pub(crate) artists: Vec<String>,
pub(crate) duration: Duration,
}
pub struct AlbumInfo {
pub(crate) name: String,
pub(crate) artists: Vec<String>,
pub(crate) genres: Vec<String>,
pub(crate) tracks: Vec<TrackInfo>,
}
pub struct PlaylistInfo {
pub(crate) name: String,
pub(crate) artists: Vec<String>,
pub(crate) tracks: Vec<TrackInfo>,
}
fn get_id_in_url(url: &str) -> Option<&str> {
url.rsplit('/')
.next()
.and_then(|x| x.split(' ').next())
.and_then(|x| x.split('?').next())
}
fn extract_artists_from_tracks(tracks: Vec<TrackSimplified>) -> Vec<String> {
tracks
.iter()
.flat_map(|t| t.artists.iter().map(|a| a.name.clone()))
.collect()
}
pub fn get_entry_kind(url: &str) -> Option<SpotifyKind> {
if url.contains("https://open.spotify.com/track/") {
let track_id = get_id_in_url(url);
return match track_id {
Some(id) => Some(SpotifyKind::Track(id.to_string())),
None => None,
};
}
if url.contains("https://open.spotify.com/album/") {
let album_id = get_id_in_url(url);
return match album_id {
Some(id) => Some(SpotifyKind::Album(id.to_string())),
None => None,
};
}
if url.contains("https://open.spotify.com/playlist/") {
let playlist_id = get_id_in_url(url);
return match playlist_id {
Some(id) => Some(SpotifyKind::Playlist(id.to_string())),
None => None,
};
}
return None;
}
pub fn get_client() -> Box<Client> {
let spotify_creds =
ClientCredentials::from_env().expect("CLIENT_ID and CLIENT_SECRET not found.");
let spotify_client = Box::new(Client::new(spotify_creds));
spotify_client
}
pub async fn get_track(spotify: Box<Client>, id: &String) -> Option<TrackInfo> {
match spotify.tracks().get_track(id.as_str(), None).await {
Ok(track) => Some(TrackInfo {
name: track.data.name,
artists: track.data.artists.iter().map(|x| x.name.clone()).collect(),
duration: track.data.duration,
}),
Err(_e) => None,
}
}
pub async fn get_album(spotify: Box<Client>, id: &String) -> Option<AlbumInfo> {
match spotify.albums().get_album(id.as_str(), None).await {
Ok(album) => Some(AlbumInfo {
name: album.data.name,
artists: album.data.artists.iter().map(|x| x.name.clone()).collect(),
genres: album.data.genres,
tracks: album
.data
.tracks
.items
.iter()
.map(|t| TrackInfo {
name: t.name.clone(),
artists: t.artists.iter().map(|x| x.name.clone()).collect(),
duration: t.duration,
})
.collect(),
}),
Err(_e) => None,
}
}
pub async fn get_playlist(spotify: Box<Client>, id: &String) -> Option<PlaylistInfo> {
match spotify.playlists().get_playlist(id.as_str(), None).await {
Ok(playlist) => Some(PlaylistInfo {
name: playlist.data.name,
artists: playlist
.data
.tracks
.items
.iter()
.flat_map(|p| {
p.item.as_ref().map_or(Vec::new(), |x| match x {
Track(t) => extract_artists_from_tracks(vec![t.clone().simplify()]),
Episode(_e) => Vec::new(),
})
})
.collect(),
tracks: playlist
.data
.tracks
.items
.iter()
.flat_map(|p| {
p.item.as_ref().map_or(None, |x| match x {
Track(t) => Some(TrackInfo {
name: t.name.clone(),
artists: extract_artists_from_tracks(vec![t.clone().simplify()]),
duration: t.duration,
}),
Episode(_e) => None,
})
})
.collect(),
}),
Err(_e) => None,
}
}

96
src/utils/mod.rs Normal file
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@ -0,0 +1,96 @@
use std::ops::Add;
use std::time::Duration;
pub(crate) fn truncate_with_dots(to_truncate: String, new_size: usize) -> String {
if to_truncate.len() < new_size {
return to_truncate;
}
let mut new_string = to_truncate.clone();
let dots = "...";
if new_size as isize - 3 > 0 {
new_string.truncate(new_size - 3);
new_string.add(dots)
} else {
let mut dots_to_ret = String::new();
for _i in 0..new_size {
dots_to_ret.push('.');
}
return dots_to_ret;
}
}
pub(crate) fn human_readable_duration(duration: Duration) -> String {
let total_duration = duration.as_secs();
let mut minutes = total_duration / 60;
let seconds = total_duration % 60;
if minutes >= 60 {
let hours = minutes / 60;
minutes = minutes % 60;
return format!(
"{} hour(s), {} minute(s) and {} second(s)",
hours, minutes, seconds
);
}
format!("{} minute(s) and {} second(s)", minutes, seconds)
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn should_truncate_short_string_as_expected() {
let example_string = "example";
let expected_string = "..";
assert_eq!(
expected_string,
truncate_with_dots(example_string.to_string(), 2)
)
}
#[test]
fn should_truncate_long_string_as_expected() {
let example_string = "this is a very long string";
let expected_string = "this i...";
assert_eq!(
expected_string,
truncate_with_dots(example_string.to_string(), 9)
)
}
#[test]
fn should_not_truncate_if_string_is_not_long_enough() {
let example_string = "short string";
let expected_string = "short string";
assert_eq!(
expected_string,
truncate_with_dots(example_string.to_string(), 1000)
);
}
#[test]
fn should_print_correct_duration_into_human_readable_format() {
let duration: Duration = Duration::new(124, 0);
let got = human_readable_duration(duration);
assert_eq!("2 minute(s) and 4 second(s)", got)
}
#[test]
fn should_handle_duration_in_hours() {
let duration1 = Duration::new(3621, 0);
let got1 = human_readable_duration(duration1);
assert_eq!("1 hour(s), 0 minute(s) and 21 second(s)", got1);
let duration2 = Duration::new(5021, 0);
let got2 = human_readable_duration(duration2);
assert_eq!("1 hour(s), 23 minute(s) and 41 second(s)", got2);
}
}