Files
bili-sync-ai/crates/bili_sync/src/api/helper.rs
2026-03-15 16:44:48 +08:00

150 lines
4.1 KiB
Rust

use std::borrow::Borrow;
use bili_sync_entity::video;
use bili_sync_migration::SimpleExpr;
use itertools::Itertools;
use sea_orm::{ColumnTrait, Condition, ConnectionTrait, DatabaseTransaction};
use crate::api::request::{StatusFilter, ValidationFilter};
use crate::api::response::{PageInfo, SimplePageInfo, SimpleVideoInfo, VideoInfo};
use crate::utils::status::VideoStatus;
impl StatusFilter {
pub fn to_video_query(&self) -> Condition {
let query_builder = VideoStatus::query_builder();
match self {
Self::Failed => query_builder.failed(),
Self::Succeeded => query_builder.succeeded(),
Self::Waiting => query_builder.waiting(),
}
}
}
impl ValidationFilter {
pub fn to_video_query(&self) -> SimpleExpr {
match self {
ValidationFilter::Invalid => video::Column::Valid.eq(false),
ValidationFilter::Skipped => video::Column::Valid
.eq(true)
.and(video::Column::ShouldDownload.eq(false)),
ValidationFilter::Normal => video::Column::Valid
.eq(true)
.and(video::Column::ShouldDownload.eq(true)),
}
}
}
pub trait VideoRecord {
fn as_id_status_tuple(&self) -> (i32, u32);
}
pub trait PageRecord {
fn as_id_status_tuple(&self) -> (i32, u32);
}
impl VideoRecord for VideoInfo {
fn as_id_status_tuple(&self) -> (i32, u32) {
(self.id, self.download_status)
}
}
impl VideoRecord for SimpleVideoInfo {
fn as_id_status_tuple(&self) -> (i32, u32) {
(self.id, self.download_status)
}
}
impl PageRecord for PageInfo {
fn as_id_status_tuple(&self) -> (i32, u32) {
(self.id, self.download_status)
}
}
impl PageRecord for SimplePageInfo {
fn as_id_status_tuple(&self) -> (i32, u32) {
(self.id, self.download_status)
}
}
pub async fn update_video_download_status<T>(
txn: &DatabaseTransaction,
videos: &[impl Borrow<T>],
batch_size: Option<usize>,
) -> Result<(), sea_orm::DbErr>
where
T: VideoRecord,
{
if videos.is_empty() {
return Ok(());
}
if let Some(size) = batch_size {
for chunk in videos.chunks(size) {
execute_video_update_batch(txn, chunk.iter().map(|v| v.borrow().as_id_status_tuple())).await?;
}
} else {
execute_video_update_batch(txn, videos.iter().map(|v| v.borrow().as_id_status_tuple())).await?;
}
Ok(())
}
pub async fn update_page_download_status<T>(
txn: &DatabaseTransaction,
pages: &[impl Borrow<T>],
batch_size: Option<usize>,
) -> Result<(), sea_orm::DbErr>
where
T: PageRecord,
{
if pages.is_empty() {
return Ok(());
}
if let Some(size) = batch_size {
for chunk in pages.chunks(size) {
execute_page_update_batch(txn, chunk.iter().map(|v| v.borrow().as_id_status_tuple())).await?;
}
} else {
execute_page_update_batch(txn, pages.iter().map(|v| v.borrow().as_id_status_tuple())).await?;
}
Ok(())
}
async fn execute_video_update_batch(
txn: &DatabaseTransaction,
videos: impl Iterator<Item = (i32, u32)>,
) -> Result<(), sea_orm::DbErr> {
let values = videos.map(|v| format!("({}, {})", v.0, v.1)).join(", ");
if values.is_empty() {
return Ok(());
}
let sql = format!(
"WITH tempdata(id, download_status) AS (VALUES {}) \
UPDATE video \
SET download_status = tempdata.download_status \
FROM tempdata \
WHERE video.id = tempdata.id",
values
);
txn.execute_unprepared(&sql).await?;
Ok(())
}
async fn execute_page_update_batch(
txn: &DatabaseTransaction,
pages: impl Iterator<Item = (i32, u32)>,
) -> Result<(), sea_orm::DbErr> {
let values = pages.map(|p| format!("({}, {})", p.0, p.1)).join(", ");
if values.is_empty() {
return Ok(());
}
let sql = format!(
"WITH tempdata(id, download_status) AS (VALUES {}) \
UPDATE page \
SET download_status = tempdata.download_status \
FROM tempdata \
WHERE page.id = tempdata.id",
values
);
txn.execute_unprepared(&sql).await?;
Ok(())
}