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Add crawl metadata to feed & improve model interface

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This commit is contained in:
Tyler Hallada 2023-07-15 00:36:44 -04:00
parent 0fa0cfc508
commit 4837cbb903
18 changed files with 621 additions and 522 deletions
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5
README.md
View File

@ -88,8 +88,3 @@ You can also build the binary in release mode for running in production with the
This project also comes with a CLI binary which allows you to manipulate the
database directly without needing to go through the REST API server. Run
`cli --help` to see all of the available commands.
## Running jobs
To periodically fetch new items from all of the feeds execute the `cli crawl`
command in a cronjob.

10
migrations/20230507201612_initial.sql
View File

@ -31,14 +31,18 @@ $$ language plpgsql;
-- over things like usernames and emails, ithout needing to remember to do case-conversion.
create collation case_insensitive (provider = icu, locale = 'und-u-ks-level2', deterministic = false);
create type feed_type as enum ('atom', 'rss');
create type feed_type as enum ('atom', 'json', 'rss0', 'rss1', 'rss2', 'unknown');
create table if not exists "feed" (
feed_id uuid primary key default uuid_generate_v1mc(),
title text,
url varchar(2048) not null,
type feed_type not null,
description text,
type feed_type not null default 'unknown',
description text default null,
crawl_interval_minutes int not null default 180,
last_crawl_error text default null,
last_crawled_at timestamptz default null,
last_entry_published_at timestamptz default null,
created_at timestamptz not null default now(),
updated_at timestamptz,
deleted_at timestamptz

66
src/actors/feed_crawler.rs
View File

@ -8,11 +8,13 @@ use tokio::sync::{broadcast, mpsc};
use tracing::log::warn;
use tracing::{info, info_span, instrument};
use url::Url;
use uuid::Uuid;
use crate::actors::entry_crawler::EntryCrawlerHandle;
use crate::domain_locks::DomainLocks;
use crate::models::entry::{upsert_entries, CreateEntry, Entry};
use crate::models::feed::{upsert_feed, CreateFeed, Feed};
use crate::models::entry::{CreateEntry, Entry};
use crate::models::feed::Feed;
use crate::uuid::Base62Uuid;
/// The `FeedCrawler` actor fetches a feed url, parses it, and saves it to the database.
///
@ -31,7 +33,7 @@ struct FeedCrawler {
#[derive(Debug)]
enum FeedCrawlerMessage {
Crawl {
url: Url,
feed_id: Uuid,
respond_to: broadcast::Sender<FeedCrawlerHandleMessage>,
},
}
@ -39,7 +41,7 @@ enum FeedCrawlerMessage {
impl Display for FeedCrawlerMessage {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
match self {
FeedCrawlerMessage::Crawl { url, .. } => write!(f, "Crawl({})", url),
FeedCrawlerMessage::Crawl { feed_id, .. } => write!(f, "Crawl({})", feed_id),
}
}
}
@ -49,11 +51,13 @@ impl Display for FeedCrawlerMessage {
#[derive(thiserror::Error, Debug, Clone)]
pub enum FeedCrawlerError {
#[error("invalid feed url: {0}")]
InvalidUrl(Url),
InvalidUrl(String),
#[error("failed to fetch feed: {0}")]
FetchError(Url),
#[error("failed to parse feed: {0}")]
ParseError(Url),
#[error("failed to find feed in database: {0}")]
GetFeedError(Base62Uuid),
#[error("failed to create feed: {0}")]
CreateFeedError(Url),
#[error("failed to create feed entries: {0}")]
@ -78,11 +82,17 @@ impl FeedCrawler {
}
}
#[instrument(skip_all, fields(url = %url))]
async fn crawl_feed(&self, url: Url) -> FeedCrawlerResult<Feed> {
#[instrument(skip_all, fields(feed_id = %feed_id))]
async fn crawl_feed(&self, feed_id: Uuid) -> FeedCrawlerResult<Feed> {
let mut feed = Feed::get(&self.pool, feed_id)
.await
.map_err(|_| FeedCrawlerError::GetFeedError(Base62Uuid::from(feed_id)))?;
info!("got feed from db");
let url = Url::parse(&feed.url)
.map_err(|_| FeedCrawlerError::InvalidUrl(feed.url.clone()))?;
let domain = url
.domain()
.ok_or(FeedCrawlerError::InvalidUrl(url.clone()))?;
.ok_or(FeedCrawlerError::InvalidUrl(feed.url.clone()))?;
let bytes = self
.domain_locks
.run_request(domain, async {
@ -96,22 +106,24 @@ impl FeedCrawler {
.map_err(|_| FeedCrawlerError::FetchError(url.clone()))
})
.await?;
info!("fetched feed");
info!(url=%url, "fetched feed");
let parsed_feed =
parser::parse(&bytes[..]).map_err(|_| FeedCrawlerError::ParseError(url.clone()))?;
info!("parsed feed");
let feed = upsert_feed(
&self.pool,
CreateFeed {
title: parsed_feed.title.map(|text| text.content),
url: url.to_string(),
feed_type: parsed_feed.feed_type.into(),
description: parsed_feed.description.map(|text| text.content),
},
)
feed.url = url.to_string();
feed.feed_type = parsed_feed.feed_type.into();
feed.last_crawled_at = Some(Utc::now());
if let Some(title) = parsed_feed.title {
feed.title = Some(title.content);
}
if let Some(description) = parsed_feed.description {
feed.description = Some(description.content);
}
let feed = feed
.save(&self.pool)
.await
.map_err(|_| FeedCrawlerError::CreateFeedError(url.clone()))?;
info!(%feed.feed_id, "upserted feed");
info!("updated feed in db");
let mut payload = Vec::with_capacity(parsed_feed.entries.len());
for entry in parsed_feed.entries {
@ -132,7 +144,7 @@ impl FeedCrawler {
warn!("Skipping feed entry with no links");
}
}
let entries = upsert_entries(&self.pool, payload)
let entries = Entry::bulk_upsert(&self.pool, payload)
.await
.map_err(|_| FeedCrawlerError::CreateFeedEntriesError(url.clone()))?;
let (new, updated) = entries
@ -156,8 +168,11 @@ impl FeedCrawler {
#[instrument(skip_all, fields(msg = %msg))]
async fn handle_message(&mut self, msg: FeedCrawlerMessage) {
match msg {
FeedCrawlerMessage::Crawl { url, respond_to } => {
let result = self.crawl_feed(url).await;
FeedCrawlerMessage::Crawl {
feed_id,
respond_to,
} => {
let result = self.crawl_feed(feed_id).await;
// ignore the result since the initiator may have cancelled waiting for the
// response, and that is ok
let _ = respond_to.send(FeedCrawlerHandleMessage::Feed(result));
@ -212,10 +227,13 @@ impl FeedCrawlerHandle {
/// Sends a `FeedCrawlerMessage::Crawl` message to the running `FeedCrawler` actor.
///
/// Listen to the result of the crawl via the returned `broadcast::Receiver`.
pub async fn crawl(&self, url: Url) -> broadcast::Receiver<FeedCrawlerHandleMessage> {
pub async fn crawl(
&self,
feed_id: Uuid,
) -> broadcast::Receiver<FeedCrawlerHandleMessage> {
let (sender, receiver) = broadcast::channel(8);
let msg = FeedCrawlerMessage::Crawl {
url,
feed_id,
respond_to: sender,
};

45
src/bin/cli.rs
View File

@ -1,15 +1,17 @@
use anyhow::Result;
use clap::{Args, Parser, Subcommand};
use chrono::Utc;
use clap::{Args, Parser, Subcommand};
use dotenvy::dotenv;
use lib::actors::feed_crawler::FeedCrawlerHandle;
use lib::domain_locks::DomainLocks;
use reqwest::Client;
use sqlx::postgres::PgPoolOptions;
use std::env;
use tracing::info;
use uuid::Uuid;
use lib::jobs::crawl::crawl;
use lib::models::feed::{create_feed, delete_feed, CreateFeed, FeedType};
use lib::models::entry::{create_entry, delete_entry, CreateEntry};
use lib::models::entry::{Entry, CreateEntry};
use lib::models::feed::{CreateFeed, Feed, FeedType};
use lib::uuid::Base62Uuid;
/// CLI for crawlnicle
@ -23,14 +25,20 @@ struct Cli {
#[derive(Subcommand)]
enum Commands {
/// Fetches new entries from all feeds in the database
Crawl,
Crawl(CrawlFeed),
AddFeed(AddFeed),
DeleteFeed(DeleteFeed),
AddEntry(AddEntry),
DeleteEntry(DeleteEntry),
}
#[derive(Args)]
/// Crawl a feed (get new entries)
struct CrawlFeed {
/// id of the feed to crawl
id: Uuid,
}
/// Add a feed to the database
#[derive(Args)]
struct AddFeed {
@ -94,12 +102,11 @@ pub async fn main() -> Result<()> {
match cli.commands {
Commands::AddFeed(args) => {
let feed = create_feed(
let feed = Feed::create(
&pool,
CreateFeed {
title: args.title,
url: args.url,
feed_type: args.feed_type,
description: args.description,
},
)
@ -107,11 +114,11 @@ pub async fn main() -> Result<()> {
info!("Created feed with id {}", Base62Uuid::from(feed.feed_id));
}
Commands::DeleteFeed(args) => {
delete_feed(&pool, args.id).await?;
Feed::delete(&pool, args.id).await?;
info!("Deleted feed with id {}", Base62Uuid::from(args.id));
}
Commands::AddEntry(args) => {
let entry = create_entry(
let entry = Entry::create(
&pool,
CreateEntry {
title: args.title,
@ -125,12 +132,22 @@ pub async fn main() -> Result<()> {
info!("Created entry with id {}", Base62Uuid::from(entry.entry_id));
}
Commands::DeleteEntry(args) => {
delete_entry(&pool, args.id).await?;
Entry::delete(&pool, args.id).await?;
info!("Deleted entry with id {}", Base62Uuid::from(args.id));
}
Commands::Crawl => {
info!("Crawling...");
crawl(&pool).await?;
Commands::Crawl(CrawlFeed { id }) => {
info!("Crawling feed {}...", Base62Uuid::from(id));
let client = Client::new();
// NOTE: this is not the same DomainLocks as the one used in the server so, if the
// server is running, it will *not* serialize same-domain requests with it.
let domain_locks = DomainLocks::new();
let feed_crawler = FeedCrawlerHandle::new(
pool.clone(),
client.clone(),
domain_locks.clone(),
env::var("CONTENT_DIR")?,
);
let _ = feed_crawler.crawl(id).await;
}
}

4
src/handlers/api/entries.rs
View File

@ -2,8 +2,8 @@ use axum::{extract::State, Json};
use sqlx::PgPool;
use crate::error::Error;
use crate::models::entry::{get_entries, Entry, GetEntriesOptions};
use crate::models::entry::Entry;
pub async fn get(State(pool): State<PgPool>) -> Result<Json<Vec<Entry>>, Error> {
Ok(Json(get_entries(&pool, GetEntriesOptions::default()).await?))
Ok(Json(Entry::get_all(&pool, Default::default()).await?))
}

6
src/handlers/api/entry.rs
View File

@ -5,19 +5,19 @@ use axum::{
use sqlx::PgPool;
use crate::error::Error;
use crate::models::entry::{create_entry, get_entry, CreateEntry, Entry};
use crate::models::entry::{CreateEntry, Entry};
use crate::uuid::Base62Uuid;
pub async fn get(
State(pool): State<PgPool>,
Path(id): Path<Base62Uuid>,
) -> Result<Json<Entry>, Error> {
Ok(Json(get_entry(&pool, id.as_uuid()).await?))
Ok(Json(Entry::get(&pool, id.as_uuid()).await?))
}
pub async fn post(
State(pool): State<PgPool>,
Json(payload): Json<CreateEntry>,
) -> Result<Json<Entry>, Error> {
Ok(Json(create_entry(&pool, payload).await?))
Ok(Json(Entry::create(&pool, payload).await?))
}

8
src/handlers/api/feed.rs
View File

@ -5,20 +5,20 @@ use axum::{
use sqlx::PgPool;
use crate::error::{Error, Result};
use crate::models::feed::{create_feed, delete_feed, get_feed, CreateFeed, Feed};
use crate::models::feed::{CreateFeed, Feed};
use crate::uuid::Base62Uuid;
pub async fn get(State(pool): State<PgPool>, Path(id): Path<Base62Uuid>) -> Result<Json<Feed>> {
Ok(Json(get_feed(&pool, id.as_uuid()).await?))
Ok(Json(Feed::get(&pool, id.as_uuid()).await?))
}
pub async fn post(
State(pool): State<PgPool>,
Json(payload): Json<CreateFeed>,
) -> Result<Json<Feed>, Error> {
Ok(Json(create_feed(&pool, payload).await?))
Ok(Json(Feed::create(&pool, payload).await?))
}
pub async fn delete(State(pool): State<PgPool>, Path(id): Path<Base62Uuid>) -> Result<()> {
delete_feed(&pool, id.as_uuid()).await
Feed::delete(&pool, id.as_uuid()).await
}

5
src/handlers/api/feeds.rs
View File

@ -2,8 +2,9 @@ use axum::{extract::State, Json};
use sqlx::PgPool;
use crate::error::Error;
use crate::models::feed::{get_feeds, Feed};
use crate::models::feed::Feed;
pub async fn get(State(pool): State<PgPool>) -> Result<Json<Vec<Feed>>, Error> {
Ok(Json(get_feeds(&pool).await?))
// TODO: pagination
Ok(Json(Feed::get_all(&pool).await?))
}

4
src/handlers/entry.rs
View File

@ -7,7 +7,7 @@ use sqlx::PgPool;
use crate::config::Config;
use crate::error::Result;
use crate::models::entry::get_entry;
use crate::models::entry::Entry;
use crate::partials::layout::Layout;
use crate::uuid::Base62Uuid;
@ -17,7 +17,7 @@ pub async fn get(
State(config): State<Config>,
layout: Layout,
) -> Result<Response> {
let entry = get_entry(&pool, id.as_uuid()).await?;
let entry = Entry::get(&pool, id.as_uuid()).await?;
let content_dir = std::path::Path::new(&config.content_dir);
let content_path = content_dir.join(format!("{}.html", entry.entry_id));
Ok(layout.render(html! {

15
src/handlers/feed.rs
View File

@ -20,8 +20,8 @@ use crate::actors::feed_crawler::{FeedCrawlerHandle, FeedCrawlerHandleMessage};
use crate::config::Config;
use crate::domain_locks::DomainLocks;
use crate::error::{Error, Result};
use crate::models::entry::get_entries_for_feed;
use crate::models::feed::{create_feed, delete_feed, get_feed, CreateFeed, FeedType};
use crate::models::entry::Entry;
use crate::models::feed::{CreateFeed, Feed};
use crate::partials::{entry_list::entry_list, feed_link::feed_link, layout::Layout};
use crate::state::Crawls;
use crate::turbo_stream::TurboStream;
@ -32,8 +32,8 @@ pub async fn get(
State(pool): State<PgPool>,
layout: Layout,
) -> Result<Response> {
let feed = get_feed(&pool, id.as_uuid()).await?;
let entries = get_entries_for_feed(&pool, feed.feed_id, Default::default()).await?;
let feed = Feed::get(&pool, id.as_uuid()).await?;
let entries = Entry::get_all_for_feed(&pool, feed.feed_id, Default::default()).await?;
let delete_url = format!("/feed/{}/delete", id);
Ok(layout.render(html! {
header class="feed-header" {
@ -123,12 +123,11 @@ pub async fn post(
config.content_dir.clone(),
);
let feed = create_feed(
let feed = Feed::create(
&pool,
CreateFeed {
title: add_feed.title,
url: add_feed.url.clone(),
feed_type: FeedType::Rss, // eh, get rid of this
description: add_feed.description,
},
)
@ -148,7 +147,7 @@ pub async fn post(
let url: Url = Url::parse(&add_feed.url)
.map_err(|err| AddFeedError::InvalidUrl(add_feed.url.clone(), err))?;
let receiver = feed_crawler.crawl(url).await;
let receiver = feed_crawler.crawl(feed.feed_id).await;
{
let mut crawls = crawls.lock().map_err(|_| {
AddFeedError::CreateFeedError(add_feed.url.clone(), Error::InternalServerError)
@ -245,6 +244,6 @@ pub async fn stream(
}
pub async fn delete(State(pool): State<PgPool>, Path(id): Path<Base62Uuid>) -> Result<Redirect> {
delete_feed(&pool, id.as_uuid()).await?;
Feed::delete(&pool, id.as_uuid()).await?;
Ok(Redirect::to("/feeds"))
}

5
src/handlers/feeds.rs
View File

@ -4,11 +4,12 @@ use maud::html;
use sqlx::PgPool;
use crate::error::Result;
use crate::models::feed::get_feeds;
use crate::models::feed::Feed;
use crate::partials::{feed_link::feed_link, layout::Layout};
pub async fn get(State(pool): State<PgPool>, layout: Layout) -> Result<Response> {
let feeds = get_feeds(&pool).await?;
// TODO: pagination
let feeds = Feed::get_all(&pool).await?;
Ok(layout.render(html! {
h2 { "Feeds" }
div class="feeds" {

4
src/handlers/home.rs
View File

@ -3,10 +3,10 @@ use axum::response::Response;
use sqlx::PgPool;
use crate::error::Result;
use crate::models::entry::{get_entries, GetEntriesOptions};
use crate::models::entry::Entry;
use crate::partials::{layout::Layout, entry_list::entry_list};
pub async fn get(State(pool): State<PgPool>, layout: Layout) -> Result<Response> {
let entries = get_entries(&pool, GetEntriesOptions::default()).await?;
let entries = Entry::get_all(&pool, Default::default()).await?;
Ok(layout.render(entry_list(entries)))
}

77
src/jobs/crawl.rs
View File

@ -1,77 +0,0 @@
use std::fs;
use std::env;
use std::path::Path;
use article_scraper::ArticleScraper;
use chrono::Utc;
use feed_rs::parser;
use reqwest::{Client, Url};
use sqlx::PgPool;
use tracing::{info, info_span, warn};
use crate::models::feed::get_feeds;
use crate::models::entry::{update_entry, upsert_entries, CreateEntry};
use crate::uuid::Base62Uuid;
/// DEPRECATED: Use FeedCrawler instead, keeping this for reference until I set up scheduled jobs.
/// For every feed in the database, fetches the feed, parses it, and saves new entries to the
/// database.
pub async fn crawl(pool: &PgPool) -> anyhow::Result<()> {
let scraper = ArticleScraper::new(None).await;
let client = Client::new();
let content_dir = env::var("CONTENT_DIR")?;
let content_dir = Path::new(&content_dir);
let feeds = get_feeds(pool).await?;
for feed in feeds {
let feed_id_str: String = Base62Uuid::from(feed.feed_id).into();
let feed_span = info_span!("feed", id = feed_id_str, url = feed.url.as_str());
let _feed_span_guard = feed_span.enter();
info!("Fetching feed");
// TODO: handle these results
let bytes = client.get(feed.url).send().await?.bytes().await?;
info!("Parsing feed");
let parsed_feed = parser::parse(&bytes[..])?;
let mut payload = Vec::with_capacity(parsed_feed.entries.len());
for entry in parsed_feed.entries {
let entry_span = info_span!("entry", id = entry.id, title = entry.title.clone().map(|t| t.content));
let _entry_span_guard = entry_span.enter();
if let Some(link) = entry.links.get(0) {
// if no scraped or feed date is available, fallback to the current time
let published_at = entry.published.unwrap_or_else(Utc::now);
let entry = CreateEntry {
title: entry.title.map(|t| t.content),
url: link.href.clone(),
description: entry.summary.map(|s| s.content),
feed_id: feed.feed_id,
published_at,
};
payload.push(entry);
} else {
warn!("Skipping feed entry with no links");
}
}
let entries = upsert_entries(pool, payload).await?;
info!("Created {} entries", entries.len());
// TODO: figure out how to do this in parallel. ArticleScraper uses some libxml thing that
// doesn't implement Send so this isn't trivial.
for mut entry in entries {
info!("Fetching and parsing entry link: {}", entry.url);
if let Ok(article) = scraper.parse(&Url::parse(&entry.url)?, true, &client, None).await {
let id = entry.entry_id;
if let Some(date) = article.date {
// prefer scraped date over rss feed date
entry.published_at = date;
update_entry(pool, entry).await?;
};
let html_content = article.get_content();
if let Some(content) = html_content {
fs::write(content_dir.join(format!("{}.html", id)), content)?;
}
} else {
warn!("Failed to fetch article for entry: {:?}", &entry.url);
}
}
}
Ok(())
}

1
src/jobs/mod.rs
View File

@ -1 +0,0 @@
pub mod crawl;

1
src/lib.rs
View File

@ -3,7 +3,6 @@ pub mod config;
pub mod domain_locks;
pub mod error;
pub mod handlers;
pub mod jobs;
pub mod log;
pub mod models;
pub mod partials;

32
src/models/entry.rs
View File

@ -33,7 +33,14 @@ pub struct CreateEntry {
pub published_at: DateTime<Utc>,
}
pub async fn get_entry(pool: &PgPool, entry_id: Uuid) -> Result<Entry> {
#[derive(Default)]
pub struct GetEntriesOptions {
pub published_before: Option<DateTime<Utc>>,
pub limit: Option<i64>,
}
impl Entry {
pub async fn get(pool: &PgPool, entry_id: Uuid) -> Result<Entry> {
sqlx::query_as!(Entry, "select * from entry where entry_id = $1", entry_id)
.fetch_one(pool)
.await
@ -45,13 +52,7 @@ pub async fn get_entry(pool: &PgPool, entry_id: Uuid) -> Result<Entry> {
})
}
#[derive(Default)]
pub struct GetEntriesOptions {
pub published_before: Option<DateTime<Utc>>,
pub limit: Option<i64>,
}
pub async fn get_entries(pool: &PgPool, options: GetEntriesOptions) -> sqlx::Result<Vec<Entry>> {
pub async fn get_all(pool: &PgPool, options: GetEntriesOptions) -> sqlx::Result<Vec<Entry>> {
if let Some(published_before) = options.published_before {
sqlx::query_as!(
Entry,
@ -81,7 +82,7 @@ pub async fn get_entries(pool: &PgPool, options: GetEntriesOptions) -> sqlx::Res
}
}
pub async fn get_entries_for_feed(
pub async fn get_all_for_feed(
pool: &PgPool,
feed_id: Uuid,
options: GetEntriesOptions,
@ -119,7 +120,7 @@ pub async fn get_entries_for_feed(
}
}
pub async fn create_entry(pool: &PgPool, payload: CreateEntry) -> Result<Entry> {
pub async fn create(pool: &PgPool, payload: CreateEntry) -> Result<Entry> {
payload.validate()?;
sqlx::query_as!(
Entry,
@ -146,7 +147,7 @@ pub async fn create_entry(pool: &PgPool, payload: CreateEntry) -> Result<Entry>
})
}
pub async fn upsert_entry(pool: &PgPool, payload: CreateEntry) -> Result<Entry> {
pub async fn upsert(pool: &PgPool, payload: CreateEntry) -> Result<Entry> {
payload.validate()?;
sqlx::query_as!(
Entry,
@ -177,7 +178,7 @@ pub async fn upsert_entry(pool: &PgPool, payload: CreateEntry) -> Result<Entry>
})
}
pub async fn create_entries(pool: &PgPool, payload: Vec<CreateEntry>) -> Result<Vec<Entry>> {
pub async fn bulk_create(pool: &PgPool, payload: Vec<CreateEntry>) -> Result<Vec<Entry>> {
let mut titles = Vec::with_capacity(payload.len());
let mut urls = Vec::with_capacity(payload.len());
let mut descriptions: Vec<Option<String>> = Vec::with_capacity(payload.len());
@ -218,7 +219,7 @@ pub async fn create_entries(pool: &PgPool, payload: Vec<CreateEntry>) -> Result<
})
}
pub async fn upsert_entries(pool: &PgPool, payload: Vec<CreateEntry>) -> Result<Vec<Entry>> {
pub async fn bulk_upsert(pool: &PgPool, payload: Vec<CreateEntry>) -> Result<Vec<Entry>> {
let mut titles = Vec::with_capacity(payload.len());
let mut urls = Vec::with_capacity(payload.len());
let mut descriptions: Vec<Option<String>> = Vec::with_capacity(payload.len());
@ -263,7 +264,7 @@ pub async fn upsert_entries(pool: &PgPool, payload: Vec<CreateEntry>) -> Result<
})
}
pub async fn update_entry(pool: &PgPool, payload: Entry) -> Result<Entry> {
pub async fn update(pool: &PgPool, payload: Entry) -> Result<Entry> {
sqlx::query_as!(
Entry,
"update entry set
@ -294,7 +295,7 @@ pub async fn update_entry(pool: &PgPool, payload: Entry) -> Result<Entry> {
})
}
pub async fn delete_entry(pool: &PgPool, entry_id: Uuid) -> Result<()> {
pub async fn delete(pool: &PgPool, entry_id: Uuid) -> Result<()> {
sqlx::query!(
"update entry set deleted_at = now() where entry_id = $1",
entry_id
@ -303,3 +304,4 @@ pub async fn delete_entry(pool: &PgPool, entry_id: Uuid) -> Result<()> {
.await?;
Ok(())
}
}

179
src/models/feed.rs
View File

@ -2,18 +2,22 @@ use std::str::FromStr;
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use sqlx::PgPool;
use sqlx::{FromRow, PgPool};
use uuid::Uuid;
use validator::Validate;
use crate::error::{Error, Result};
#[derive(Debug, Serialize, Deserialize, sqlx::Type, Clone)]
#[derive(Debug, Serialize, Deserialize, sqlx::Type, Clone, Copy)]
#[sqlx(type_name = "feed_type", rename_all = "lowercase")]
#[serde(rename_all = "lowercase")]
pub enum FeedType {
Atom,
Rss,
JSON,
RSS0,
RSS1,
RSS2,
Unknown,
}
impl FromStr for FeedType {
@ -21,7 +25,11 @@ impl FromStr for FeedType {
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"atom" => Ok(FeedType::Atom),
"rss" => Ok(FeedType::Rss),
"json" => Ok(FeedType::JSON),
"rss0" => Ok(FeedType::RSS0),
"rss1" => Ok(FeedType::RSS1),
"rss2" => Ok(FeedType::RSS2),
"unknown" => Ok(FeedType::Unknown),
_ => Err(format!("invalid feed type: {}", s)),
}
}
@ -31,13 +39,15 @@ impl From<feed_rs::model::FeedType> for FeedType {
fn from(value: feed_rs::model::FeedType) -> Self {
match value {
feed_rs::model::FeedType::Atom => FeedType::Atom,
// TODO: this isn't really accurate
_ => FeedType::Rss,
feed_rs::model::FeedType::JSON => FeedType::JSON,
feed_rs::model::FeedType::RSS0 => FeedType::RSS0,
feed_rs::model::FeedType::RSS1 => FeedType::RSS1,
feed_rs::model::FeedType::RSS2 => FeedType::RSS2,
}
}
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
pub struct Feed {
pub feed_id: Uuid,
pub title: Option<String>,
@ -45,6 +55,10 @@ pub struct Feed {
#[serde(rename = "type")]
pub feed_type: FeedType,
pub description: Option<String>,
pub crawl_interval_minutes: i32,
pub last_crawl_error: Option<String>,
pub last_crawled_at: Option<DateTime<Utc>>,
pub last_entry_published_at: Option<DateTime<Utc>>,
pub created_at: DateTime<Utc>,
pub updated_at: Option<DateTime<Utc>>,
pub deleted_at: Option<DateTime<Utc>>,
@ -56,13 +70,40 @@ pub struct CreateFeed {
pub title: Option<String>,
#[validate(url)]
pub url: String,
#[serde(rename = "type")]
pub feed_type: FeedType,
#[validate(length(max = 524288))]
pub description: Option<String>,
}
pub async fn get_feed(pool: &PgPool, feed_id: Uuid) -> Result<Feed> {
#[derive(Debug, Deserialize, Validate)]
pub struct UpsertFeed {
#[validate(length(max = 255))]
pub title: Option<String>,
#[validate(url)]
pub url: String,
pub feed_type: Option<FeedType>,
#[validate(length(max = 524288))]
pub description: Option<String>,
pub last_crawl_error: Option<String>,
pub last_crawled_at: Option<DateTime<Utc>>,
}
#[derive(Debug, Deserialize, Default, Validate)]
pub struct UpdateFeed {
#[validate(length(max = 255))]
pub title: Option<Option<String>>,
#[validate(url)]
pub url: Option<String>,
pub feed_type: Option<FeedType>,
#[validate(length(max = 524288))]
pub description: Option<Option<String>>,
pub crawl_interval_minutes: Option<i32>,
pub last_crawl_error: Option<Option<String>>,
pub last_crawled_at: Option<Option<DateTime<Utc>>>,
pub last_entry_published_at: Option<Option<DateTime<Utc>>>,
}
impl Feed {
pub async fn get(pool: &PgPool, feed_id: Uuid) -> Result<Feed> {
sqlx::query_as!(
Feed,
// Unable to SELECT * here due to https://github.com/launchbadge/sqlx/issues/1004
@ -73,6 +114,10 @@ pub async fn get_feed(pool: &PgPool, feed_id: Uuid) -> Result<Feed> {
url,
type as "feed_type: FeedType",
description,
crawl_interval_minutes,
last_crawl_error,
last_crawled_at,
last_entry_published_at,
created_at,
updated_at,
deleted_at
@ -89,7 +134,7 @@ pub async fn get_feed(pool: &PgPool, feed_id: Uuid) -> Result<Feed> {
})
}
pub async fn get_feeds(pool: &PgPool) -> sqlx::Result<Vec<Feed>> {
pub async fn get_all(pool: &PgPool) -> sqlx::Result<Vec<Feed>> {
sqlx::query_as!(
Feed,
r#"select
@ -98,6 +143,10 @@ pub async fn get_feeds(pool: &PgPool) -> sqlx::Result<Vec<Feed>> {
url,
type as "feed_type: FeedType",
description,
crawl_interval_minutes,
last_crawl_error,
last_crawled_at,
last_entry_published_at,
created_at,
updated_at,
deleted_at
@ -108,34 +157,37 @@ pub async fn get_feeds(pool: &PgPool) -> sqlx::Result<Vec<Feed>> {
.await
}
pub async fn create_feed(pool: &PgPool, payload: CreateFeed) -> Result<Feed> {
pub async fn create(pool: &PgPool, payload: CreateFeed) -> Result<Feed> {
payload.validate()?;
Ok(sqlx::query_as!(
Feed,
r#"insert into feed (
title, url, type, description
title, url, description
) values (
$1, $2, $3, $4
$1, $2, $3
) returning
feed_id,
title,
url,
type as "feed_type: FeedType",
description,
crawl_interval_minutes,
last_crawl_error,
last_crawled_at,
last_entry_published_at,
created_at,
updated_at,
deleted_at
"#,
payload.title,
payload.url,
payload.feed_type as FeedType,
payload.description
)
.fetch_one(pool)
.await?)
}
pub async fn upsert_feed(pool: &PgPool, payload: CreateFeed) -> Result<Feed> {
pub async fn upsert(pool: &PgPool, payload: UpsertFeed) -> Result<Feed> {
payload.validate()?;
Ok(sqlx::query_as!(
Feed,
@ -146,7 +198,7 @@ pub async fn upsert_feed(pool: &PgPool, payload: CreateFeed) -> Result<Feed> {
) on conflict (url) do update set
title = excluded.title,
url = excluded.url,
type = excluded.type,
type = COALESCE(excluded.type, feed.type),
description = excluded.description
returning
feed_id,
@ -154,20 +206,67 @@ pub async fn upsert_feed(pool: &PgPool, payload: CreateFeed) -> Result<Feed> {
url,
type as "feed_type: FeedType",
description,
crawl_interval_minutes,
last_crawl_error,
last_crawled_at,
last_entry_published_at,
created_at,
updated_at,
deleted_at
"#,
payload.title,
payload.url,
payload.feed_type as FeedType,
payload.feed_type as Option<FeedType>,
payload.description
)
.fetch_one(pool)
.await?)
}
pub async fn delete_feed(pool: &PgPool, feed_id: Uuid) -> Result<()> {
pub async fn update(pool: &PgPool, feed_id: Uuid, payload: UpdateFeed) -> Result<Feed> {
payload.validate()?;
let mut query = sqlx::QueryBuilder::new("UPDATE feed SET ");
let mut updates = query.separated(", ");
if let Some(title) = payload.title {
updates.push_unseparated("title = ");
updates.push_bind(title);
}
if let Some(url) = payload.url {
updates.push_unseparated("url = ");
updates.push_bind(url);
}
if let Some(description) = payload.description {
updates.push_unseparated("description = ");
updates.push_bind(description);
}
if let Some(crawl_interval_minutes) = payload.crawl_interval_minutes {
updates.push("crawl_interval_minutes = ");
updates.push_bind(crawl_interval_minutes);
}
if let Some(last_crawl_error) = payload.last_crawl_error {
updates.push_unseparated("last_crawl_error = ");
updates.push_bind(last_crawl_error);
}
if let Some(last_crawled_at) = payload.last_crawled_at {
updates.push_unseparated("last_crawled_at = ");
updates.push_bind(last_crawled_at);
}
if let Some(last_entry_published_at) = payload.last_entry_published_at {
updates.push_unseparated("last_entry_published_at = ");
updates.push_bind(last_entry_published_at);
}
query.push(" WHERE id = ");
query.push_bind(feed_id);
query.push(" RETURNING *");
let query = query.build_query_as();
Ok(query.fetch_one(pool).await?)
}
pub async fn delete(pool: &PgPool, feed_id: Uuid) -> Result<()> {
sqlx::query!(
"update feed set deleted_at = now() where feed_id = $1",
feed_id
@ -176,3 +275,45 @@ pub async fn delete_feed(pool: &PgPool, feed_id: Uuid) -> Result<()> {
.await?;
Ok(())
}
pub async fn save(&self, pool: &PgPool) -> Result<Feed> {
Ok(sqlx::query_as!(
Feed,
r#"update feed set
title = $2,
url = $3,
type = $4,
description = $5,
crawl_interval_minutes = $6,
last_crawl_error = $7,
last_crawled_at = $8,
last_entry_published_at = $9
where feed_id = $1
returning
feed_id,
title,
url,
type as "feed_type: FeedType",
description,
crawl_interval_minutes,
last_crawl_error,
last_crawled_at,
last_entry_published_at,
created_at,
updated_at,
deleted_at
"#,
self.feed_id,
self.title,
self.url,
self.feed_type as FeedType,
self.description,
self.crawl_interval_minutes,
self.last_crawl_error,
self.last_crawled_at,
self.last_entry_published_at,
)
.fetch_one(pool)
.await?)
}
}

2
src/uuid.rs
View File

@ -9,7 +9,7 @@ const BASE62_CHARS: &[u8] = b"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmn
///
/// Database rows have a UUID primary key, but they are encoded in Base62 to be shorter and more
/// URL-friendly for the frontend.
#[derive(Debug, Serialize, Deserialize)]
#[derive(Debug, Serialize, Deserialize, Clone, Copy)]
pub struct Base62Uuid(
#[serde(deserialize_with = "uuid_from_base62_str")]
#[serde(serialize_with = "uuid_to_base62_str")]