56 lines
1.6 KiB
Rust
56 lines
1.6 KiB
Rust
use serde::{Deserialize, Serialize};
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use crate::{
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commands::{Command, Request, RequestParserError, RequestParserResult, ResponseParserError},
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common::{SongPosition, Uri},
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request_tokenizer::RequestTokenizer,
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response_tokenizer::ResponseAttributes,
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};
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pub struct Add;
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct AddRequest {
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uri: Uri,
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position: Option<SongPosition>,
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}
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impl Command for Add {
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type Request = AddRequest;
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type Response = ();
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const COMMAND: &'static str = "add";
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fn serialize_request(&self, request: Self::Request) -> String {
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match request.position {
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Some(position) => format!("{} {} {}", Self::COMMAND, request.uri, position),
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None => format!("{} {}", Self::COMMAND, request.uri),
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}
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}
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fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {
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let uri = match parts.next() {
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Some(s) => s,
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None => return Err(RequestParserError::UnexpectedEOF),
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};
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let position = match parts.next() {
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Some(s) => Some(
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s.parse::<SongPosition>()
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.map_err(|_| RequestParserError::SyntaxError(1, s.to_owned()))?,
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),
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None => None,
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};
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debug_assert!(parts.next().is_none());
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Ok((Request::Add(uri.to_string(), position), ""))
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}
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fn parse_response(
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parts: ResponseAttributes<'_>,
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) -> Result<Self::Response, ResponseParserError<'_>> {
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debug_assert!(parts.is_empty());
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Ok(())
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}
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}
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