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use crate::schema::*;
use rebuilderd_common::errors::*;
use rebuilderd_common::config::*;
use diesel::prelude::*;
use chrono::prelude::*;
use chrono::Duration;
use serde::{Serialize, Deserialize};
use rebuilderd_common::api::QueueItem;
use crate::models::Package;
#[derive(Identifiable, Queryable, AsChangeset, Serialize, PartialEq, Debug)]
#[table_name="queue"]
pub struct Queued {
pub id: i32,
pub package_id: i32,
pub version: String,
pub priority: i32,
pub queued_at: NaiveDateTime,
pub worker_id: Option<i32>,
pub started_at: Option<NaiveDateTime>,
pub last_ping: Option<NaiveDateTime>,
}
impl Queued {
pub fn get_id(my_id: i32, connection: &SqliteConnection) -> Result<Queued> {
use crate::schema::queue::dsl::*;
let item = queue
.filter(id.eq(my_id))
.first::<Queued>(connection)?;
Ok(item)
}
pub fn get(pkg: i32, my_version: &str, connection: &SqliteConnection) -> Result<Option<Queued>> {
use crate::schema::queue::dsl::*;
let job = queue
.filter(package_id.eq(pkg))
.filter(version.eq(my_version))
.first::<Queued>(connection)
.optional()?;
Ok(job)
}
pub fn pop_next(my_worker_id: i32, connection: &SqliteConnection) -> Result<Option<QueueItem>> {
use crate::schema::queue::dsl::*;
let item = queue
.filter(worker_id.is_null())
.order_by((priority, queued_at, id))
.first::<Queued>(connection)
.optional()?;
if let Some(mut item) = item {
let now: DateTime<Utc> = Utc::now();
item.worker_id = Some(my_worker_id);
item.started_at = Some(now.naive_utc());
item.last_ping = Some(now.naive_utc());
item.update(connection)?;
Ok(Some(item.into_api_item(connection)?))
} else {
Ok(None)
}
}
pub fn ping_job(&mut self, connection: &SqliteConnection) -> Result<()> {
let now: DateTime<Utc> = Utc::now();
self.last_ping = Some(now.naive_utc());
self.update(connection)
}
pub fn delete(&self, connection: &SqliteConnection) -> Result<()> {
use crate::schema::queue::columns::*;
diesel::delete(queue::table
.filter(id.eq(self.id))
).execute(connection)?;
Ok(())
}
pub fn list(limit: Option<i64>, connection: &SqliteConnection) -> Result<Vec<Queued>> {
use crate::schema::queue::dsl::*;
let query = Box::new(queue
.order_by((priority, queued_at, id)));
let results = if let Some(limit) = limit {
query
.limit(limit)
.load::<Queued>(connection)?
} else {
query
.load::<Queued>(connection)?
};
Ok(results)
}
pub fn update(&self, connection: &SqliteConnection) -> Result<()> {
use crate::schema::queue::columns::*;
diesel::update(queue::table.filter(id.eq(self.id)))
.set(self)
.execute(connection)?;
Ok(())
}
pub fn queue_batch(pkgs: &[(i32, String)], priority: i32, connection: &SqliteConnection) -> Result<()> {
let pkgs = pkgs.iter()
.map(|(id, version)| NewQueued::new(*id, version.to_string(), priority))
.collect::<Vec<_>>();
diesel::insert_into(queue::table)
.values(pkgs)
.execute(connection)?;
Ok(())
}
pub fn drop_for_pkgs(pkgs: &[i32], connection: &SqliteConnection) -> Result<()> {
diesel::delete(queue::table.filter(queue::package_id.eq_any(pkgs)))
.execute(connection)?;
Ok(())
}
pub fn requeue(&self, connection: &SqliteConnection) -> Result<()> {
diesel::update(queue::table)
.filter(queue::id.eq(self.id))
.set((
queue::worker_id.eq(Option::<i32>::None),
queue::started_at.eq(Option::<NaiveDateTime>::None),
queue::last_ping.eq(Option::<NaiveDateTime>::None),
))
.execute(connection)?;
Ok(())
}
pub fn free_stale_jobs(connection: &SqliteConnection) -> Result<()> {
let now = Utc::now().naive_utc();
let deadline = now - Duration::seconds(PING_DEADLINE);
diesel::update(queue::table.filter(queue::last_ping.lt(deadline)))
.set((
queue::worker_id.eq(Option::<i32>::None),
queue::started_at.eq(Option::<NaiveDateTime>::None),
queue::last_ping.eq(Option::<NaiveDateTime>::None),
))
.execute(connection)?;
Ok(())
}
pub fn into_api_item(self, connection: &SqliteConnection) -> Result<QueueItem> {
let pkg = Package::get_id(self.package_id, connection)?;
Ok(QueueItem {
id: self.id,
package: pkg.into_api_item()?,
version: self.version,
queued_at: self.queued_at,
worker_id: self.worker_id,
started_at: self.started_at,
last_ping: self.last_ping,
})
}
}
#[derive(Insertable, Serialize, Deserialize, Debug)]
#[table_name="queue"]
pub struct NewQueued {
pub package_id: i32,
pub version: String,
pub priority: i32,
pub queued_at: NaiveDateTime,
}
impl NewQueued {
pub fn new(package_id: i32, version: String, priority: i32) -> NewQueued {
let now: DateTime<Utc> = Utc::now();
NewQueued {
package_id,
version,
priority,
queued_at: now.naive_utc(),
}
}
pub fn insert(&self, connection: &SqliteConnection) -> Result<()> {
if Queued::get(self.package_id, &self.version, connection)?.is_none() {
diesel::insert_into(queue::table)
.values(self)
.execute(connection)?;
}
Ok(())
}
}