apalis_sqlite/queries/
fetch_by_id.rs

1use apalis_core::{
2    backend::{BackendExt, FetchById, codec::Codec},
3    task::task_id::TaskId,
4};
5use apalis_sql::from_row::{FromRowError, TaskRow};
6use ulid::Ulid;
7
8use crate::{CompactType, SqlContext, SqliteStorage, SqliteTask, from_row::SqliteTaskRow};
9
10impl<Args, D, F> FetchById<Args> for SqliteStorage<Args, D, F>
11where
12    Self:
13        BackendExt<Context = SqlContext, Compact = CompactType, IdType = Ulid, Error = sqlx::Error>,
14    D: Codec<Args, Compact = CompactType>,
15    D::Error: std::error::Error + Send + Sync + 'static,
16    Args: 'static,
17{
18    fn fetch_by_id(
19        &mut self,
20        id: &TaskId<Ulid>,
21    ) -> impl Future<Output = Result<Option<SqliteTask<Args>>, Self::Error>> + Send {
22        let pool = self.pool.clone();
23        let id = id.to_string();
24        async move {
25            let task = sqlx::query_file_as!(SqliteTaskRow, "queries/task/find_by_id.sql", id)
26                .fetch_optional(&pool)
27                .await?
28                .map(|r| {
29                    let row: TaskRow = r
30                        .try_into()
31                        .map_err(|e: sqlx::Error| FromRowError::DecodeError(e.into()))?;
32                    row.try_into_task_compact().and_then(|t| {
33                        t.try_map(|a| {
34                            D::decode(&a).map_err(|e| FromRowError::DecodeError(e.into()))
35                        })
36                    })
37                })
38                .transpose()
39                .map_err(|e| sqlx::Error::Protocol(e.to_string()))?;
40            Ok(task)
41        }
42    }
43}
apalis_sqlite/queries/fetch_by_id.rs

apalis_sqlite/queries/
fetch_by_id.rs
