fae13a0e55 2025-06-28 1: use std::borrow::Cow;
0340541002 2025-04-24 2:
0340541002 2025-04-24 3: use anyhow::{
0340541002 2025-04-24 4: Result,
0340541002 2025-04-24 5: bail,
fae13a0e55 2025-06-28 6: };
fae13a0e55 2025-06-28 7: use async_std::sync::{
fae13a0e55 2025-06-28 8: Arc,
fae13a0e55 2025-06-28 9: Mutex,
bb89b6fab8 2025-06-15 10: };
0340541002 2025-04-24 11: use chrono::{
0340541002 2025-04-24 12: DateTime,
0340541002 2025-04-24 13: FixedOffset,
0340541002 2025-04-24 14: Local,
0340541002 2025-04-24 15: };
0340541002 2025-04-24 16: use sqlx::{
0340541002 2025-04-24 17: Postgres,
0340541002 2025-04-24 18: Row,
0340541002 2025-04-24 19: postgres::PgPoolOptions,
0340541002 2025-04-24 20: pool::PoolConnection,
0340541002 2025-04-24 21: };
0340541002 2025-04-24 22:
0340541002 2025-04-24 23: #[derive(sqlx::FromRow, Debug)]
0340541002 2025-04-24 24: pub struct List {
e3f7eeb26a 2025-04-26 25: pub source_id: i32,
0340541002 2025-04-24 26: pub channel: String,
0340541002 2025-04-24 27: pub enabled: bool,
0340541002 2025-04-24 28: pub url: String,
0340541002 2025-04-24 29: pub iv_hash: Option<String>,
0340541002 2025-04-24 30: pub url_re: Option<String>,
0340541002 2025-04-24 31: }
0340541002 2025-04-24 32:
0340541002 2025-04-24 33: #[derive(sqlx::FromRow, Debug)]
0340541002 2025-04-24 34: pub struct Source {
0340541002 2025-04-24 35: pub channel_id: i64,
0340541002 2025-04-24 36: pub url: String,
0340541002 2025-04-24 37: pub iv_hash: Option<String>,
0340541002 2025-04-24 38: pub owner: i64,
0340541002 2025-04-24 39: pub url_re: Option<String>,
0340541002 2025-04-24 40: }
0340541002 2025-04-24 41:
0340541002 2025-04-24 42: #[derive(sqlx::FromRow)]
0340541002 2025-04-24 43: pub struct Queue {
0340541002 2025-04-24 44: pub source_id: Option<i32>,
0340541002 2025-04-24 45: pub next_fetch: Option<DateTime<Local>>,
0340541002 2025-04-24 46: pub owner: Option<i64>,
0340541002 2025-04-24 47: }
0340541002 2025-04-24 48:
0340541002 2025-04-24 49: #[derive(Clone)]
0340541002 2025-04-24 50: pub struct Db {
fae13a0e55 2025-06-28 51: pool: Arc<Mutex<sqlx::Pool<sqlx::Postgres>>>,
0340541002 2025-04-24 52: }
0340541002 2025-04-24 53:
0340541002 2025-04-24 54: pub struct Conn{
0340541002 2025-04-24 55: conn: PoolConnection<Postgres>,
0340541002 2025-04-24 56: }
0340541002 2025-04-24 57:
0340541002 2025-04-24 58: impl Db {
0340541002 2025-04-24 59: pub fn new (pguri: &str) -> Result<Db> {
0340541002 2025-04-24 60: Ok(Db{
fae13a0e55 2025-06-28 61: pool: Arc::new(Mutex::new(PgPoolOptions::new()
0340541002 2025-04-24 62: .max_connections(5)
0340541002 2025-04-24 63: .acquire_timeout(std::time::Duration::new(300, 0))
0340541002 2025-04-24 64: .idle_timeout(std::time::Duration::new(60, 0))
fae13a0e55 2025-06-28 65: .connect_lazy(pguri)?)),
0340541002 2025-04-24 66: })
0340541002 2025-04-24 67: }
0340541002 2025-04-24 68:
bb89b6fab8 2025-06-15 69: pub async fn begin(&self) -> Result<Conn> {
fae13a0e55 2025-06-28 70: let pool = self.pool.lock_arc().await;
bb89b6fab8 2025-06-15 71: let conn = Conn::new(pool.acquire().await?).await?;
bb89b6fab8 2025-06-15 72: Ok(conn)
0340541002 2025-04-24 73: }
0340541002 2025-04-24 74: }
0340541002 2025-04-24 75:
0340541002 2025-04-24 76: impl Conn {
bb89b6fab8 2025-06-15 77: pub async fn new (conn: PoolConnection<Postgres>) -> Result<Conn> {
0340541002 2025-04-24 78: Ok(Conn{
0340541002 2025-04-24 79: conn,
0340541002 2025-04-24 80: })
0340541002 2025-04-24 81: }
0340541002 2025-04-24 82:
bb89b6fab8 2025-06-15 83: pub async fn add_post (&mut self, source_id: i32, date: &DateTime<FixedOffset>, post_url: &str) -> Result<()> {
0340541002 2025-04-24 84: sqlx::query("insert into rsstg_post (source_id, posted, url) values ($1, $2, $3);")
bb89b6fab8 2025-06-15 85: .bind(source_id)
0340541002 2025-04-24 86: .bind(date)
0340541002 2025-04-24 87: .bind(post_url)
0340541002 2025-04-24 88: .execute(&mut *self.conn).await?;
0340541002 2025-04-24 89: Ok(())
0340541002 2025-04-24 90: }
0340541002 2025-04-24 91:
bb89b6fab8 2025-06-15 92: pub async fn clean <I> (&mut self, source_id: i32, owner: I) -> Result<Cow<'_, str>>
bb89b6fab8 2025-06-15 93: where I: Into<i64> {
0340541002 2025-04-24 94: match sqlx::query("delete from rsstg_post p using rsstg_source s where p.source_id = $1 and owner = $2 and p.source_id = s.source_id;")
0340541002 2025-04-24 95: .bind(source_id)
bb89b6fab8 2025-06-15 96: .bind(owner.into())
0340541002 2025-04-24 97: .execute(&mut *self.conn).await?.rows_affected() {
0340541002 2025-04-24 98: 0 => { Ok("No data found found.".into()) },
0340541002 2025-04-24 99: x => { Ok(format!("{x} posts purged.").into()) },
0340541002 2025-04-24 100: }
0340541002 2025-04-24 101: }
0340541002 2025-04-24 102:
bb89b6fab8 2025-06-15 103: pub async fn delete <I> (&mut self, source_id: i32, owner: I) -> Result<Cow<'_, str>>
bb89b6fab8 2025-06-15 104: where I: Into<i64> {
0340541002 2025-04-24 105: match sqlx::query("delete from rsstg_source where source_id = $1 and owner = $2;")
0340541002 2025-04-24 106: .bind(source_id)
bb89b6fab8 2025-06-15 107: .bind(owner.into())
0340541002 2025-04-24 108: .execute(&mut *self.conn).await?.rows_affected() {
0340541002 2025-04-24 109: 0 => { Ok("No data found found.".into()) },
0340541002 2025-04-24 110: x => { Ok(format!("{} sources removed.", x).into()) },
0340541002 2025-04-24 111: }
0340541002 2025-04-24 112: }
0340541002 2025-04-24 113:
bb89b6fab8 2025-06-15 114: pub async fn disable <I> (&mut self, source_id: i32, owner: I) -> Result<&str>
bb89b6fab8 2025-06-15 115: where I: Into<i64> {
0340541002 2025-04-24 116: match sqlx::query("update rsstg_source set enabled = false where source_id = $1 and owner = $2")
0340541002 2025-04-24 117: .bind(source_id)
bb89b6fab8 2025-06-15 118: .bind(owner.into())
0340541002 2025-04-24 119: .execute(&mut *self.conn).await?.rows_affected() {
0340541002 2025-04-24 120: 1 => { Ok("Source disabled.") },
0340541002 2025-04-24 121: 0 => { Ok("Source not found.") },
0340541002 2025-04-24 122: _ => { bail!("Database error.") },
0340541002 2025-04-24 123: }
0340541002 2025-04-24 124: }
0340541002 2025-04-24 125:
bb89b6fab8 2025-06-15 126: pub async fn enable <I> (&mut self, source_id: i32, owner: I) -> Result<&str>
bb89b6fab8 2025-06-15 127: where I: Into<i64> {
0340541002 2025-04-24 128: match sqlx::query("update rsstg_source set enabled = true where source_id = $1 and owner = $2")
0340541002 2025-04-24 129: .bind(source_id)
bb89b6fab8 2025-06-15 130: .bind(owner.into())
0340541002 2025-04-24 131: .execute(&mut *self.conn).await?.rows_affected() {
0340541002 2025-04-24 132: 1 => { Ok("Source enabled.") },
0340541002 2025-04-24 133: 0 => { Ok("Source not found.") },
0340541002 2025-04-24 134: _ => { bail!("Database error.") },
0340541002 2025-04-24 135: }
0340541002 2025-04-24 136: }
0340541002 2025-04-24 137:
bb89b6fab8 2025-06-15 138: pub async fn exists <I> (&mut self, post_url: &str, id: I) -> Result<Option<bool>>
bb89b6fab8 2025-06-15 139: where I: Into<i64> {
0340541002 2025-04-24 140: let row = sqlx::query("select exists(select true from rsstg_post where url = $1 and source_id = $2) as exists;")
0340541002 2025-04-24 141: .bind(post_url)
bb89b6fab8 2025-06-15 142: .bind(id.into())
0340541002 2025-04-24 143: .fetch_one(&mut *self.conn).await?;
0340541002 2025-04-24 144: let exists: Option<bool> = row.try_get("exists")?;
0340541002 2025-04-24 145: Ok(exists)
0340541002 2025-04-24 146: }
0340541002 2025-04-24 147:
0340541002 2025-04-24 148: pub async fn get_queue (&mut self) -> Result<Vec<Queue>> {
0340541002 2025-04-24 149: let block: Vec<Queue> = sqlx::query_as("select source_id, next_fetch, owner from rsstg_order natural left join rsstg_source where next_fetch < now() + interval '1 minute';")
0340541002 2025-04-24 150: .fetch_all(&mut *self.conn).await?;
0340541002 2025-04-24 151: Ok(block)
0340541002 2025-04-24 152: }
0340541002 2025-04-24 153:
bb89b6fab8 2025-06-15 154: pub async fn get_list <I> (&mut self, owner: I) -> Result<Vec<List>>
bb89b6fab8 2025-06-15 155: where I: Into<i64> {
0340541002 2025-04-24 156: let source: Vec<List> = sqlx::query_as("select source_id, channel, enabled, url, iv_hash, url_re from rsstg_source where owner = $1 order by source_id")
bb89b6fab8 2025-06-15 157: .bind(owner.into())
0340541002 2025-04-24 158: .fetch_all(&mut *self.conn).await?;
0340541002 2025-04-24 159: Ok(source)
0340541002 2025-04-24 160: }
0340541002 2025-04-24 161:
bb89b6fab8 2025-06-15 162: pub async fn get_source <I> (&mut self, id: i32, owner: I) -> Result<Source>
bb89b6fab8 2025-06-15 163: where I: Into<i64> {
0340541002 2025-04-24 164: let source: Source = sqlx::query_as("select channel_id, url, iv_hash, owner, url_re from rsstg_source where source_id = $1 and owner = $2")
0340541002 2025-04-24 165: .bind(id)
bb89b6fab8 2025-06-15 166: .bind(owner.into())
0340541002 2025-04-24 167: .fetch_one(&mut *self.conn).await?;
0340541002 2025-04-24 168: Ok(source)
0340541002 2025-04-24 169: }
0340541002 2025-04-24 170:
bb89b6fab8 2025-06-15 171: pub async fn set_scrape <I> (&mut self, id: I) -> Result<()>
bb89b6fab8 2025-06-15 172: where I: Into<i64> {
0340541002 2025-04-24 173: sqlx::query("update rsstg_source set last_scrape = now() where source_id = $1;")
bb89b6fab8 2025-06-15 174: .bind(id.into())
0340541002 2025-04-24 175: .execute(&mut *self.conn).await?;
0340541002 2025-04-24 176: Ok(())
0340541002 2025-04-24 177: }
0340541002 2025-04-24 178:
bb89b6fab8 2025-06-15 179: pub async fn update <I> (&mut self, update: Option<i32>, channel: &str, channel_id: i64, url: &str, iv_hash: Option<&str>, url_re: Option<&str>, owner: I) -> Result<&str>
bb89b6fab8 2025-06-15 180: where I: Into<i64> {
0340541002 2025-04-24 181: match match update {
0340541002 2025-04-24 182: Some(id) => {
0340541002 2025-04-24 183: sqlx::query("update rsstg_source set channel_id = $2, url = $3, iv_hash = $4, owner = $5, channel = $6, url_re = $7 where source_id = $1")
0340541002 2025-04-24 184: .bind(id)
0340541002 2025-04-24 185: },
0340541002 2025-04-24 186: None => {
0340541002 2025-04-24 187: sqlx::query("insert into rsstg_source (channel_id, url, iv_hash, owner, channel, url_re) values ($1, $2, $3, $4, $5, $6)")
0340541002 2025-04-24 188: },
0340541002 2025-04-24 189: }
0340541002 2025-04-24 190: .bind(channel_id)
0340541002 2025-04-24 191: .bind(url)
0340541002 2025-04-24 192: .bind(iv_hash)
bb89b6fab8 2025-06-15 193: .bind(owner.into())
0340541002 2025-04-24 194: .bind(channel)
0340541002 2025-04-24 195: .bind(url_re)
0340541002 2025-04-24 196: .execute(&mut *self.conn).await
0340541002 2025-04-24 197: {
0340541002 2025-04-24 198: Ok(_) => Ok(match update {
0340541002 2025-04-24 199: Some(_) => "Channel updated.",
0340541002 2025-04-24 200: None => "Channel added.",
0340541002 2025-04-24 201: }),
0340541002 2025-04-24 202: Err(sqlx::Error::Database(err)) => {
0340541002 2025-04-24 203: match err.downcast::<sqlx::postgres::PgDatabaseError>().routine() {
0340541002 2025-04-24 204: Some("_bt_check_unique", ) => {
0340541002 2025-04-24 205: Ok("Duplicate key.")
0340541002 2025-04-24 206: },
0340541002 2025-04-24 207: Some(_) => {
0340541002 2025-04-24 208: Ok("Database error.")
0340541002 2025-04-24 209: },
0340541002 2025-04-24 210: None => {
0340541002 2025-04-24 211: Ok("No database error extracted.")
0340541002 2025-04-24 212: },
0340541002 2025-04-24 213: }
0340541002 2025-04-24 214: },
0340541002 2025-04-24 215: Err(err) => {
0340541002 2025-04-24 216: bail!("Sorry, unknown error:\n{err:#?}\n");
0340541002 2025-04-24 217: },
0340541002 2025-04-24 218: }
0340541002 2025-04-24 219: }
0340541002 2025-04-24 220: }