Files
empidee/src/commands/queue/playlistsearch.rs

140 lines
4.3 KiB
Rust

use serde::{Deserialize, Serialize};
use crate::{
commands::{Command, CommandRequest, CommandResponse, RequestParserError, ResponseParserError},
filter::Filter,
request_tokenizer::RequestTokenizer,
response_tokenizer::ResponseAttributes,
types::{DbSongInfo, Priority, SongId, SongPosition, Sort, WindowRange},
};
pub struct PlaylistSearch;
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct PlaylistSearchRequest {
filter: Filter,
sort: Option<Sort>,
window: Option<WindowRange>,
}
impl CommandRequest for PlaylistSearchRequest {
const COMMAND: &'static str = "playlistsearch";
const MIN_ARGS: u32 = 1;
const MAX_ARGS: Option<u32> = Some(3);
fn into_request_enum(self) -> crate::Request {
crate::Request::PlaylistSearch(self.filter, self.sort, self.window)
}
fn from_request_enum(request: crate::Request) -> Option<Self> {
match request {
crate::Request::PlaylistSearch(filter, sort, window) => Some(PlaylistSearchRequest {
filter,
sort,
window,
}),
_ => None,
}
}
fn serialize(&self) -> String {
let mut cmd = format!("{} {}", Self::COMMAND, self.filter);
if let Some(sort) = &self.sort {
cmd.push_str(&format!(" sort {}", sort));
}
if let Some(window) = &self.window {
cmd.push_str(&format!(" window {}", window));
}
cmd.push('\n');
cmd
}
fn parse(mut parts: RequestTokenizer<'_>) -> Result<Self, RequestParserError> {
let filter = match parts.next() {
Some(f) => {
Filter::parse(f).map_err(|_| RequestParserError::SyntaxError(1, f.to_owned()))?
}
None => return Err(Self::missing_arguments_error(0)),
};
let mut argument_index_counter = 0;
let mut sort_or_window = parts.next();
let mut sort = None;
if let Some("sort") = sort_or_window {
argument_index_counter += 1;
let s = parts
.next()
.ok_or(RequestParserError::MissingKeywordValue {
keyword: "sort",
argument_index: argument_index_counter,
})?;
sort = Some(
s.parse()
.map_err(|_| RequestParserError::SubtypeParserError {
argument_index: argument_index_counter,
expected_type: "Sort".to_string(),
raw_input: s.to_string(),
})?,
);
sort_or_window = parts.next();
}
let mut window = None;
if let Some("window") = sort_or_window {
argument_index_counter += 1;
let w = parts
.next()
.ok_or(RequestParserError::MissingKeywordValue {
keyword: "window",
argument_index: argument_index_counter,
})?;
window = Some(
w.parse()
.map_err(|_| RequestParserError::SubtypeParserError {
argument_index: argument_index_counter,
expected_type: "WindowRange".to_string(),
raw_input: w.to_string(),
})?,
);
}
Self::throw_if_too_many_arguments(parts)?;
Ok(PlaylistSearchRequest {
filter,
sort,
window,
})
}
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct PlaylistSearchResponse(Vec<PlaylistSearchResponseEntry>);
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct PlaylistSearchResponseEntry {
pub position: SongPosition,
pub id: SongId,
pub priority: Option<Priority>,
pub song_info: DbSongInfo,
}
impl CommandResponse for PlaylistSearchResponse {
fn from_response_enum(response: crate::Response) -> Option<Self> {
todo!()
}
fn into_response_enum(self) -> crate::Response {
todo!()
}
fn parse(parts: ResponseAttributes<'_>) -> Result<Self, ResponseParserError> {
unimplemented!()
}
}
impl Command for PlaylistSearch {
type Request = PlaylistSearchRequest;
type Response = PlaylistSearchResponse;
}