68 lines
1.9 KiB
Rust
68 lines
1.9 KiB
Rust
use serde::{Deserialize, Serialize};
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use crate::{
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request_tokenizer::RequestTokenizer,
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commands::{
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Command, Request, RequestParserError, RequestParserResult, ResponseAttributes,
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ResponseParserError, get_next_and_parse_property,
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},
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common::{SongId, SongPosition, Uri},
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};
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pub struct AddId;
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct AddIdRequest {
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pub uri: Uri,
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pub position: Option<SongPosition>,
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}
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct AddIdResponse {
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pub id: SongId,
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}
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impl Command for AddId {
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type Request = AddIdRequest;
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type Response = AddIdResponse;
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const COMMAND: &'static str = "addid";
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fn serialize_request(&self, request: Self::Request) -> String {
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match request.position {
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Some(pos) => format!("{} {} {}", Self::COMMAND, request.uri, pos),
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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::AddId(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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let parts: Vec<_> = parts.into();
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let mut iter = parts.into_iter();
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let (key, id) = get_next_and_parse_property!(iter, Text);
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if key != "Id" {
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return Err(ResponseParserError::UnexpectedProperty(key));
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}
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Ok(AddIdResponse { id })
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}
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}
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