58 lines
1.6 KiB
Rust
58 lines
1.6 KiB
Rust
use serde::{Deserialize, Serialize};
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use crate::{
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commands::{Command, CommandRequest, RequestParserError, empty_command_response},
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request_tokenizer::RequestTokenizer,
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types::SongPosition,
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};
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pub struct Swap;
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct SwapRequest {
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pub songpos1: SongPosition,
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pub songpos2: SongPosition,
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}
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impl CommandRequest<'_> for SwapRequest {
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const COMMAND: &'static str = "swap";
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fn into_request_enum(self) -> crate::Request {
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crate::Request::Swap(self.songpos1, self.songpos2)
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}
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fn from_request_enum(request: crate::Request) -> Option<Self> {
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match request {
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crate::Request::Swap(songpos1, songpos2) => Some(SwapRequest { songpos1, songpos2 }),
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_ => None,
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}
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}
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fn serialize(&self) -> String {
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format!("{} {} {}", Self::COMMAND, self.songpos1, self.songpos2)
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}
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fn parse(mut parts: RequestTokenizer<'_>) -> Result<Self, RequestParserError> {
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let songpos1 = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
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let songpos1 = songpos1
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.parse()
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.map_err(|_| RequestParserError::SyntaxError(0, songpos1.to_string()))?;
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let songpos2 = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
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let songpos2 = songpos2
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.parse()
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.map_err(|_| RequestParserError::SyntaxError(0, songpos2.to_string()))?;
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debug_assert!(parts.next().is_none());
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Ok(SwapRequest { songpos1, songpos2 })
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}
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}
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empty_command_response!(Swap);
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impl Command<'_, '_> for Swap {
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type Request = SwapRequest;
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type Response = SwapResponse;
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}
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