35 lines
841 B
Rust
35 lines
841 B
Rust
use std::io::Cursor;
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use bytes::{Buf as _, Bytes};
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use crate::{Result, connection::Connection, database::Database, errors::AppError};
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#[derive(Debug, Clone)]
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pub struct Persist {
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key: String,
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}
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impl Persist {
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pub async fn execute(self, db: &Database, connection: &mut Connection) -> Result<()> {
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let value = db.persist(&self.key).await?;
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connection
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.write(Bytes::from_static(if value { &[1] } else { &[0] }))
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.await?;
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Ok(())
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}
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pub fn parse(bytes: &mut Cursor<&[u8]>) -> Result<Self> {
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let key_length = bytes.try_get_u16()? as usize;
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if bytes.remaining() < key_length {
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return Err(AppError::IncompleteCommandBuffer);
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}
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let key = String::from_utf8(bytes.copy_to_bytes(key_length).to_vec())?;
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Ok(Self { key })
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}
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}
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