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rustypipe/src/client/pagination.rs
2022-09-21 18:17:28 +02:00

137 lines
4.1 KiB
Rust

use anyhow::Result;
use crate::model::{Comment, Paginator, PlaylistVideo, RecommendedVideo};
use super::RustyPipeQuery;
impl Paginator<PlaylistVideo> {
pub async fn next(&self, query: RustyPipeQuery) -> Result<Option<Self>> {
Ok(match &self.ctoken {
Some(ctoken) => Some(query.playlist_continuation(ctoken).await?),
None => None,
})
}
pub async fn extend(&mut self, query: RustyPipeQuery) -> Result<bool> {
match self.next(query).await {
Ok(Some(paginator)) => {
let mut items = paginator.items;
self.items.append(&mut items);
self.ctoken = paginator.ctoken;
Ok(true)
}
Ok(None) => Ok(false),
Err(e) => Err(e),
}
}
pub async fn extend_pages(&mut self, query: RustyPipeQuery, n_pages: usize) -> Result<()> {
for _ in 0..n_pages {
match self.extend(query.clone()).await {
Ok(false) => break,
Err(e) => return Err(e),
_ => {}
}
}
Ok(())
}
pub async fn extend_limit(&mut self, query: RustyPipeQuery, n_items: usize) -> Result<()> {
while self.items.len() < n_items {
match self.extend(query.clone()).await {
Ok(false) => break,
Err(e) => return Err(e),
_ => {}
}
}
Ok(())
}
}
impl Paginator<RecommendedVideo> {
pub async fn next(&self, query: RustyPipeQuery) -> Result<Option<Self>> {
Ok(match &self.ctoken {
Some(ctoken) => Some(query.video_recommendations(ctoken).await?),
None => None,
})
}
pub async fn extend(&mut self, query: RustyPipeQuery) -> Result<bool> {
match self.next(query).await {
Ok(Some(paginator)) => {
let mut items = paginator.items;
self.items.append(&mut items);
self.ctoken = paginator.ctoken;
Ok(true)
}
Ok(None) => Ok(false),
Err(e) => Err(e),
}
}
pub async fn extend_pages(&mut self, query: RustyPipeQuery, n_pages: usize) -> Result<()> {
for _ in 0..n_pages {
match self.extend(query.clone()).await {
Ok(false) => break,
Err(e) => return Err(e),
_ => {}
}
}
Ok(())
}
pub async fn extend_limit(&mut self, query: RustyPipeQuery, n_items: usize) -> Result<()> {
while self.items.len() < n_items {
match self.extend(query.clone()).await {
Ok(false) => break,
Err(e) => return Err(e),
_ => {}
}
}
Ok(())
}
}
impl Paginator<Comment> {
pub async fn next(&self, query: RustyPipeQuery) -> Result<Option<Self>> {
Ok(match &self.ctoken {
Some(ctoken) => Some(query.video_comments(ctoken).await?),
None => None,
})
}
pub async fn extend(&mut self, query: RustyPipeQuery) -> Result<bool> {
match self.next(query).await {
Ok(Some(paginator)) => {
let mut items = paginator.items;
self.items.append(&mut items);
self.ctoken = paginator.ctoken;
Ok(true)
}
Ok(None) => Ok(false),
Err(e) => Err(e),
}
}
pub async fn extend_pages(&mut self, query: RustyPipeQuery, n_pages: usize) -> Result<()> {
for _ in 0..n_pages {
match self.extend(query.clone()).await {
Ok(false) => break,
Err(e) => return Err(e),
_ => {}
}
}
Ok(())
}
pub async fn extend_limit(&mut self, query: RustyPipeQuery, n_items: usize) -> Result<()> {
while self.items.len() < n_items {
match self.extend(query.clone()).await {
Ok(false) => break,
Err(e) => return Err(e),
_ => {}
}
}
Ok(())
}
}