2024-12-04 05:29:16 +00:00

788 lines
25 KiB
Rust

use chrono::{NaiveDate, NaiveDateTime};
use serde::{Deserialize, Serialize};
use cfg_if::cfg_if;
cfg_if! {
if #[cfg(feature = "ssr")] {
use diesel::prelude::*;
use crate::database::*;
use std::error::Error;
use crate::songdata::SongData;
use crate::albumdata::AlbumData;
}
}
// These "models" are used to represent the data in the database
// Diesel uses these models to generate the SQL queries that are used to interact with the database.
// These types are also used for API endpoints, for consistency. Because the file must be compiled
// for both the server and the client, we use the `cfg_attr` attribute to conditionally add
// diesel-specific attributes to the models when compiling for the server
/// Model for a "User", used for querying the database
/// Various fields are wrapped in Options, because they are not always wanted for inserts/retrieval
/// Using deserialize_as makes Diesel use the specified type when deserializing from the database,
/// and then call .into() to convert it into the Option
#[cfg_attr(feature = "ssr", derive(Queryable, Selectable, Insertable))]
#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::users))]
#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct User {
/// A unique id for the user
#[cfg_attr(feature = "ssr", diesel(deserialize_as = i32))]
// #[cfg_attr(feature = "ssr", diesel(skip_insertion))] // This feature is not yet released
pub id: Option<i32>,
/// The user's username
pub username: String,
/// The user's email
pub email: String,
/// The user's password, stored as a hash
#[cfg_attr(feature = "ssr", diesel(deserialize_as = String))]
pub password: Option<String>,
/// The time the user was created
#[cfg_attr(feature = "ssr", diesel(deserialize_as = NaiveDateTime))]
pub created_at: Option<NaiveDateTime>,
/// Whether the user is an admin
pub admin: bool,
}
impl User {
/// Get the history of songs listened to by this user from the database
///
/// The returned history will be ordered by date in descending order,
/// and a limit of N will select the N most recent entries.
/// The `id` field of this user must be present (Some) to get history
///
/// # Arguments
///
/// * `limit` - An optional limit on the number of history entries to return
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Vec<HistoryEntry>, Box<dyn Error>>` -
/// A result indicating success with a vector of history entries, or an error
///
#[cfg(feature = "ssr")]
pub fn get_history(self: &Self, limit: Option<i64>, conn: &mut PgPooledConn) ->
Result<Vec<HistoryEntry>, Box<dyn Error>> {
use crate::schema::song_history::dsl::*;
let my_id = self.id.ok_or("Artist id must be present (Some) to get history")?;
let my_history =
if let Some(limit) = limit {
song_history
.filter(user_id.eq(my_id))
.order(date.desc())
.limit(limit)
.load(conn)?
} else {
song_history
.filter(user_id.eq(my_id))
.load(conn)?
};
Ok(my_history)
}
/// Get the history of songs listened to by this user from the database
///
/// The returned history will be ordered by date in descending order,
/// and a limit of N will select the N most recent entries.
/// The `id` field of this user must be present (Some) to get history
///
/// # Arguments
///
/// * `limit` - An optional limit on the number of history entries to return
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Vec<(SystemTime, Song)>, Box<dyn Error>>` -
/// A result indicating success with a vector of listen dates and songs, or an error
///
#[cfg(feature = "ssr")]
pub fn get_history_songs(self: &Self, limit: Option<i64>, conn: &mut PgPooledConn) ->
Result<Vec<(NaiveDateTime, Song)>, Box<dyn Error>> {
use crate::schema::songs::dsl::*;
use crate::schema::song_history::dsl::*;
let my_id = self.id.ok_or("Artist id must be present (Some) to get history")?;
let my_history =
if let Some(limit) = limit {
song_history
.inner_join(songs)
.filter(user_id.eq(my_id))
.order(date.desc())
.limit(limit)
.select((date, songs::all_columns()))
.load(conn)?
} else {
song_history
.inner_join(songs)
.filter(user_id.eq(my_id))
.order(date.desc())
.select((date, songs::all_columns()))
.load(conn)?
};
Ok(my_history)
}
/// Add a song to this user's history in the database
///
/// The date of the history entry will be the current time
/// The `id` field of this user must be present (Some) to add history
///
/// # Arguments
///
/// * `song_id` - The id of the song to add to this user's history
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<(), Box<dyn Error>>` - A result indicating success with an empty value, or an error
///
#[cfg(feature = "ssr")]
pub fn add_history(self: &Self, song_id: i32, conn: &mut PgPooledConn) -> Result<(), Box<dyn Error>> {
use crate::schema::song_history;
let my_id = self.id.ok_or("Artist id must be present (Some) to add history")?;
diesel::insert_into(song_history::table)
.values((song_history::user_id.eq(my_id), song_history::song_id.eq(song_id)))
.execute(conn)?;
Ok(())
}
/// Check if this user has listened to a song
///
/// The `id` field of this user must be present (Some) to check history
///
/// # Arguments
///
/// * `song_id` - The id of the song to check if this user has listened to
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<bool, Box<dyn Error>>` - A result indicating success with a boolean value, or an error
///
#[cfg(feature = "ssr")]
pub fn has_listened_to(self: &Self, song_id: i32, conn: &mut PgPooledConn) -> Result<bool, Box<dyn Error>> {
use crate::schema::song_history::{self, user_id};
let my_id = self.id.ok_or("Artist id must be present (Some) to check history")?;
let has_listened = song_history::table
.filter(user_id.eq(my_id))
.filter(song_history::song_id.eq(song_id))
.first::<HistoryEntry>(conn)
.optional()?
.is_some();
Ok(has_listened)
}
/// Like or unlike a song for this user
/// If likeing a song, remove dislike if it exists
#[cfg(feature = "ssr")]
pub async fn set_like_song(self: &Self, song_id: i32, like: bool, conn: &mut PgPooledConn) ->
Result<(), Box<dyn Error>> {
use log::*;
debug!("Setting like for song {} to {}", song_id, like);
use crate::schema::song_likes;
use crate::schema::song_dislikes;
let my_id = self.id.ok_or("User id must be present (Some) to like/un-like a song")?;
if like {
diesel::insert_into(song_likes::table)
.values((song_likes::song_id.eq(song_id), song_likes::user_id.eq(my_id)))
.execute(conn)?;
// Remove dislike if it exists
diesel::delete(song_dislikes::table.filter(song_dislikes::song_id.eq(song_id)
.and(song_dislikes::user_id.eq(my_id))))
.execute(conn)?;
} else {
diesel::delete(song_likes::table.filter(song_likes::song_id.eq(song_id).and(song_likes::user_id.eq(my_id))))
.execute(conn)?;
}
Ok(())
}
/// Get the like status of a song for this user
#[cfg(feature = "ssr")]
pub async fn get_like_song(self: &Self, song_id: i32, conn: &mut PgPooledConn) -> Result<bool, Box<dyn Error>> {
use crate::schema::song_likes;
let my_id = self.id.ok_or("User id must be present (Some) to get like status of a song")?;
let like = song_likes::table
.filter(song_likes::song_id.eq(song_id).and(song_likes::user_id.eq(my_id)))
.first::<(i32, i32)>(conn)
.optional()?
.is_some();
Ok(like)
}
/// Get songs liked by this user
#[cfg(feature = "ssr")]
pub async fn get_liked_songs(self: &Self, conn: &mut PgPooledConn) -> Result<Vec<Song>, Box<dyn Error>> {
use crate::schema::songs::dsl::*;
use crate::schema::song_likes::dsl::*;
let my_id = self.id.ok_or("User id must be present (Some) to get liked songs")?;
let my_songs = songs
.inner_join(song_likes)
.filter(user_id.eq(my_id))
.select(songs::all_columns())
.load(conn)?;
Ok(my_songs)
}
/// Dislike or remove dislike from a song for this user
/// If disliking a song, remove like if it exists
#[cfg(feature = "ssr")]
pub async fn set_dislike_song(self: &Self, song_id: i32, dislike: bool, conn: &mut PgPooledConn) ->
Result<(), Box<dyn Error>> {
use log::*;
debug!("Setting dislike for song {} to {}", song_id, dislike);
use crate::schema::song_likes;
use crate::schema::song_dislikes;
let my_id = self.id.ok_or("User id must be present (Some) to dislike/un-dislike a song")?;
if dislike {
diesel::insert_into(song_dislikes::table)
.values((song_dislikes::song_id.eq(song_id), song_dislikes::user_id.eq(my_id)))
.execute(conn)?;
// Remove like if it exists
diesel::delete(song_likes::table.filter(song_likes::song_id.eq(song_id)
.and(song_likes::user_id.eq(my_id))))
.execute(conn)?;
} else {
diesel::delete(song_dislikes::table.filter(song_dislikes::song_id.eq(song_id)
.and(song_dislikes::user_id.eq(my_id))))
.execute(conn)?;
}
Ok(())
}
/// Get the dislike status of a song for this user
#[cfg(feature = "ssr")]
pub async fn get_dislike_song(self: &Self, song_id: i32, conn: &mut PgPooledConn) -> Result<bool, Box<dyn Error>> {
use crate::schema::song_dislikes;
let my_id = self.id.ok_or("User id must be present (Some) to get dislike status of a song")?;
let dislike = song_dislikes::table
.filter(song_dislikes::song_id.eq(song_id).and(song_dislikes::user_id.eq(my_id)))
.first::<(i32, i32)>(conn)
.optional()?
.is_some();
Ok(dislike)
}
/// Get songs disliked by this user
#[cfg(feature = "ssr")]
pub async fn get_disliked_songs(self: &Self, conn: &mut PgPooledConn) -> Result<Vec<Song>, Box<dyn Error>> {
use crate::schema::songs::dsl::*;
use crate::schema::song_likes::dsl::*;
let my_id = self.id.ok_or("User id must be present (Some) to get disliked songs")?;
let my_songs = songs
.inner_join(song_likes)
.filter(user_id.eq(my_id))
.select(songs::all_columns())
.load(conn)?;
Ok(my_songs)
}
}
/// Model for an artist
#[cfg_attr(feature = "ssr", derive(Queryable, Selectable, Insertable, Identifiable))]
#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::artists))]
#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct Artist {
/// A unique id for the artist
#[cfg_attr(feature = "ssr", diesel(deserialize_as = i32))]
pub id: Option<i32>,
/// The artist's name
pub name: String,
}
impl Artist {
/// Add an album to this artist in the database
///
/// # Arguments
///
/// * `new_album_id` - The id of the album to add to this artist
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<(), Box<dyn Error>>` - A result indicating success with an empty value, or an error
///
#[cfg(feature = "ssr")]
pub fn add_album(self: &Self, new_album_id: i32, conn: &mut PgPooledConn) -> Result<(), Box<dyn Error>> {
use crate::schema::album_artists::dsl::*;
let my_id = self.id.ok_or("Artist id must be present (Some) to add an album")?;
diesel::insert_into(album_artists)
.values((album_id.eq(new_album_id), artist_id.eq(my_id)))
.execute(conn)?;
Ok(())
}
/// Get albums by artist from the database
///
/// The `id` field of this artist must be present (Some) to get albums
///
/// # Arguments
///
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Vec<Album>, Box<dyn Error>>` - A result indicating success with a vector of albums, or an error
///
#[cfg(feature = "ssr")]
pub fn get_albums(self: &Self, conn: &mut PgPooledConn) -> Result<Vec<Album>, Box<dyn Error>> {
use crate::schema::albums::dsl::*;
use crate::schema::album_artists::dsl::*;
let my_id = self.id.ok_or("Artist id must be present (Some) to get albums")?;
let my_albums = albums
.inner_join(album_artists)
.filter(artist_id.eq(my_id))
.select(albums::all_columns())
.load(conn)?;
Ok(my_albums)
}
/// Add a song to this artist in the database
///
/// The `id` field of this artist must be present (Some) to add a song
///
/// # Arguments
///
/// * `new_song_id` - The id of the song to add to this artist
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<(), Box<dyn Error>>` - A result indicating success with an empty value, or an error
///
#[cfg(feature = "ssr")]
pub fn add_song(self: &Self, new_song_id: i32, conn: &mut PgPooledConn) -> Result<(), Box<dyn Error>> {
use crate::schema::song_artists::dsl::*;
let my_id = self.id.ok_or("Artist id must be present (Some) to add an album")?;
diesel::insert_into(song_artists)
.values((song_id.eq(new_song_id), artist_id.eq(my_id)))
.execute(conn)?;
Ok(())
}
/// Get songs by this artist from the database
///
/// The `id` field of this artist must be present (Some) to get songs
///
/// # Arguments
///
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Vec<Song>, Box<dyn Error>>` - A result indicating success with a vector of songs, or an error
///
#[cfg(feature = "ssr")]
pub fn get_songs(self: &Self, conn: &mut PgPooledConn) -> Result<Vec<Song>, Box<dyn Error>> {
use crate::schema::songs::dsl::*;
use crate::schema::song_artists::dsl::*;
let my_id = self.id.ok_or("Artist id must be present (Some) to get songs")?;
let my_songs = songs
.inner_join(song_artists)
.filter(artist_id.eq(my_id))
.select(songs::all_columns())
.load(conn)?;
Ok(my_songs)
}
/// Display a list of artists as a string.
///
/// For one artist, displays [artist1]. For two artists, displays [artist1] & [artist2].
/// For three or more artists, displays [artist1], [artist2], & [artist3].
pub fn display_list(artists: &Vec<Artist>) -> String {
let mut artist_list = String::new();
for (i, artist) in artists.iter().enumerate() {
if i == 0 {
artist_list.push_str(&artist.name);
} else if i == artists.len() - 1 {
artist_list.push_str(&format!(" & {}", artist.name));
} else {
artist_list.push_str(&format!(", {}", artist.name));
}
}
artist_list
}
}
/// Model for an album
#[cfg_attr(feature = "ssr", derive(Queryable, Selectable, Insertable, Identifiable))]
#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::albums))]
#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct Album {
/// A unique id for the album
#[cfg_attr(feature = "ssr", diesel(deserialize_as = i32))]
pub id: Option<i32>,
/// The album's title
pub title: String,
/// The album's release date
pub release_date: Option<NaiveDate>,
/// The path to the album's image file
pub image_path: Option<String>,
}
impl Album {
/// Add an artist to this album in the database
///
/// The `id` field of this album must be present (Some) to add an artist
///
/// # Arguments
///
/// * `new_artist_id` - The id of the artist to add to this album
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<(), Box<dyn Error>>` - A result indicating success with an empty value, or an error
///
#[cfg(feature = "ssr")]
pub fn add_artist(self: &Self, new_artist_id: i32, conn: &mut PgPooledConn) -> Result<(), Box<dyn Error>> {
use crate::schema::album_artists::dsl::*;
let my_id = self.id.ok_or("Album id must be present (Some) to add an artist")?;
diesel::insert_into(album_artists)
.values((album_id.eq(my_id), artist_id.eq(new_artist_id)))
.execute(conn)?;
Ok(())
}
/// Get songs by this album from the database
///
/// The `id` field of this album must be present (Some) to get songs
///
/// # Arguments
///
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Vec<Song>, Box<dyn Error>>` - A result indicating success with a vector of songs, or an error
///
#[cfg(feature = "ssr")]
pub fn get_songs(self: &Self, conn: &mut PgPooledConn) -> Result<Vec<Song>, Box<dyn Error>> {
use crate::schema::songs::dsl::*;
use crate::schema::song_artists::dsl::*;
let my_id = self.id.ok_or("Album id must be present (Some) to get songs")?;
let my_songs = songs
.inner_join(song_artists)
.filter(album_id.eq(my_id))
.select(songs::all_columns())
.load(conn)?;
Ok(my_songs)
}
/// Obtain an album from its albumid
/// # Arguments
///
/// * `album_id` - The id of the album to select
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Album, Box<dyn Error>>` - A result indicating success with the desired album, or an error
///
#[cfg(feature = "ssr")]
pub fn get_album_data(album_id: i32, conn: &mut PgPooledConn) -> Result<AlbumData, Box<dyn Error>> {
use crate::schema::*;
let artist_list: Vec<Artist> = album_artists::table
.filter(album_artists::album_id.eq(album_id))
.inner_join(artists::table.on(album_artists::artist_id.eq(artists::id)))
.select(
artists::all_columns
)
.load(conn)?;
// Get info of album
let albuminfo = albums::table
.filter(albums::id.eq(album_id))
.first::<Album>(conn)?;
let img = albuminfo.image_path.unwrap_or("/assets/images/placeholders/MusicPlaceholder.svg".to_string());
let albumdata = AlbumData {
id: albuminfo.id.unwrap(),
title: albuminfo.title,
artists: artist_list,
release_date: albuminfo.release_date,
image_path: img
};
Ok(albumdata)
}
/// Obtain an album from its albumid
/// # Arguments
///
/// * `album_id` - The id of the album to select
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Album, Box<dyn Error>>` - A result indicating success with the desired album, or an error
///
#[cfg(feature = "ssr")]
pub fn get_song_data(album_id: i32, user_like_dislike: Option<User>, conn: &mut PgPooledConn) -> Result<Vec<SongData>, Box<dyn Error>> {
use crate::schema::*;
use std::collections::HashMap;
let song_list = if let Some(user_like_dislike) = user_like_dislike {
let user_like_dislike_id = user_like_dislike.id.unwrap();
let song_list: Vec<(Album, Option<Song>, Option<Artist>, Option<(i32, i32)>, Option<(i32, i32)>)> =
albums::table
.find(album_id)
.left_join(songs::table.on(albums::id.nullable().eq(songs::album_id)))
.left_join(song_artists::table.inner_join(artists::table).on(songs::id.eq(song_artists::song_id)))
.left_join(song_likes::table.on(songs::id.eq(song_likes::song_id).and(song_likes::user_id.eq(user_like_dislike_id))))
.left_join(song_dislikes::table.on(songs::id.eq(song_dislikes::song_id).and(song_dislikes::user_id.eq(user_like_dislike_id))))
.select((
albums::all_columns,
songs::all_columns.nullable(),
artists::all_columns.nullable(),
song_likes::all_columns.nullable(),
song_dislikes::all_columns.nullable()
))
.order(songs::track.asc())
.load(conn)?;
song_list
} else {
let song_list: Vec<(Album, Option<Song>, Option<Artist>)> =
albums::table
.find(album_id)
.left_join(songs::table.on(albums::id.nullable().eq(songs::album_id)))
.left_join(song_artists::table.inner_join(artists::table).on(songs::id.eq(song_artists::song_id)))
.select((
albums::all_columns,
songs::all_columns.nullable(),
artists::all_columns.nullable()
))
.order(songs::track.asc())
.load(conn)?;
let song_list: Vec<(Album, Option<Song>, Option<Artist>, Option<(i32, i32)>, Option<(i32, i32)>)> =
song_list.into_iter().map( |(album, song, artist)| (album, song, artist, None, None) ).collect();
song_list
};
let mut album_songs: HashMap<i32, SongData> = HashMap::with_capacity(song_list.len());
for (album, song, artist, like, dislike) in song_list {
if let Some(song) = song {
if let Some(stored_songdata) = album_songs.get_mut(&song.id.unwrap()) {
// If the song is already in the map, update the artists
if let Some(artist) = artist {
stored_songdata.artists.push(artist);
}
} else {
let like_dislike = match (like, dislike) {
(Some(_), Some(_)) => Some((true, true)),
(Some(_), None) => Some((true, false)),
(None, Some(_)) => Some((false, true)),
_ => None,
};
let image_path = song.image_path.unwrap_or(
album.image_path.clone().unwrap_or("/assets/images/placeholders/MusicPlaceholder.svg".to_string()));
let songdata = SongData {
id: song.id.unwrap(),
title: song.title,
artists: artist.map(|artist| vec![artist]).unwrap_or_default(),
album: Some(album),
track: song.track,
duration: song.duration,
release_date: song.release_date,
song_path: song.storage_path,
image_path: image_path,
like_dislike: like_dislike,
};
album_songs.insert(song.id.unwrap(), songdata);
}
}
}
// Sort the songs by date
let mut songdata: Vec<SongData> = album_songs.into_values().collect();
songdata.sort_by(|a, b| a.track.cmp(&b.track));
Ok(songdata)
}
}
/// Model for a song
#[cfg_attr(feature = "ssr", derive(Queryable, Selectable, Insertable))]
#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::songs))]
#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
#[derive(Serialize, Deserialize)]
pub struct Song {
/// A unique id for the song
#[cfg_attr(feature = "ssr", diesel(deserialize_as = i32))]
pub id: Option<i32>,
/// The song's title
pub title: String,
/// The album the song is from
pub album_id: Option<i32>,
/// The track number of the song on the album
pub track: Option<i32>,
/// The duration of the song in seconds
pub duration: i32,
/// The song's release date
pub release_date: Option<NaiveDate>,
/// The path to the song's audio file
pub storage_path: String,
/// The path to the song's image file
pub image_path: Option<String>,
}
impl Song {
/// Add an artist to this song in the database
///
/// The `id` field of this song must be present (Some) to add an artist
///
/// # Arguments
///
/// * `new_artist_id` - The id of the artist to add to this song
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Vec<Artist>, Box<dyn Error>>` - A result indicating success with an empty value, or an error
///
#[cfg(feature = "ssr")]
pub fn get_artists(self: &Self, conn: &mut PgPooledConn) -> Result<Vec<Artist>, Box<dyn Error>> {
use crate::schema::artists::dsl::*;
use crate::schema::song_artists::dsl::*;
let my_id = self.id.ok_or("Song id must be present (Some) to get artists")?;
let my_artists = artists
.inner_join(song_artists)
.filter(song_id.eq(my_id))
.select(artists::all_columns())
.load(conn)?;
Ok(my_artists)
}
/// Get the album for this song from the database
///
/// # Arguments
///
/// * `conn` - A mutable reference to a database connection
///
/// # Returns
///
/// * `Result<Option<Album>, Box<dyn Error>>` - A result indicating success with an album, or None if
/// the song does not have an album, or an error
///
#[cfg(feature = "ssr")]
pub fn get_album(self: &Self, conn: &mut PgPooledConn) -> Result<Option<Album>, Box<dyn Error>> {
use crate::schema::albums::dsl::*;
if let Some(album_id) = self.album_id {
let my_album = albums
.filter(id.eq(album_id))
.first::<Album>(conn)?;
Ok(Some(my_album))
} else {
Ok(None)
}
}
}
/// Model for a history entry
#[cfg_attr(feature = "ssr", derive(Queryable, Selectable, Insertable))]
#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::song_history))]
#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
#[derive(Serialize, Deserialize)]
pub struct HistoryEntry {
/// A unique id for the history entry
#[cfg_attr(feature = "ssr", diesel(deserialize_as = i32))]
pub id: Option<i32>,
/// The id of the user who listened to the song
pub user_id: i32,
/// The date the song was listened to
pub date: NaiveDateTime,
/// The id of the song that was listened to
pub song_id: i32,
}
/// Model for a playlist
#[cfg_attr(feature = "ssr", derive(Queryable, Selectable, Insertable))]
#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::playlists))]
#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
#[derive(Serialize, Deserialize)]
pub struct Playlist {
/// A unique id for the playlist
#[cfg_attr(feature = "ssr", diesel(deserialize_as = i32))]
pub id: Option<i32>,
/// The time the playlist was created
#[cfg_attr(feature = "ssr", diesel(deserialize_as = NaiveDateTime))]
pub created_at: Option<NaiveDateTime>,
/// The time the playlist was last updated
#[cfg_attr(feature = "ssr", diesel(deserialize_as = NaiveDateTime))]
pub updated_at: Option<NaiveDateTime>,
/// The id of the user who owns the playlist
pub owner_id: i32,
/// The name of the playlist
pub name: String,
}