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