Add vacuum job

Signed-off-by: trivernis <trivernis@protonmail.com>

mediarepo-daemon/Cargo.lock

@@ -1390,6 +1390,7 @@ dependencies = [
  "async-trait",
  "chrono",
  "mediarepo-core",
+ "mediarepo-database",
  "mediarepo-logic",
  "serde",
  "tokio",

mediarepo-daemon/mediarepo-worker/Cargo.toml

@@ -15,6 +15,9 @@ path = "../mediarepo-core"
 [dependencies.mediarepo-logic]
 path = "../mediarepo-logic"
 
+[dependencies.mediarepo-database]
+path = "../mediarepo-database"
+
 [dependencies.tokio]
 version = "1.17.0"
 features = ["macros"]

mediarepo-daemon/mediarepo-worker/src/execution_state.rs

@@ -0,0 +1,58 @@
+use std::sync::atomic::{AtomicU8, Ordering};
+use std::sync::Arc;
+
+#[derive(Clone, Copy, Debug, Ord, PartialOrd, Eq, PartialEq)]
+pub enum JobExecutionState {
+    Scheduled,
+    Running,
+    Finished,
+}
+
+pub struct ExecutionStateSynchronizer {
+    state: Arc<AtomicU8>,
+}
+
+impl Default for ExecutionStateSynchronizer {
+    fn default() -> Self {
+        Self {
+            state: Arc::new(AtomicU8::new(0)),
+        }
+    }
+}
+
+impl ExecutionStateSynchronizer {
+    pub fn set_scheduled(&self) {
+        self.state.store(0, Ordering::Relaxed);
+    }
+
+    #[must_use]
+    pub fn set_running(&self) -> RunningHandle {
+        self.state.store(1, Ordering::Relaxed);
+        RunningHandle {
+            state: Arc::clone(&self.state),
+        }
+    }
+
+    pub fn set_finished(&self) {
+        self.state.store(2, Ordering::SeqCst)
+    }
+
+    pub fn state(&self) -> JobExecutionState {
+        match self.state.load(Ordering::SeqCst) {
+            0 => JobExecutionState::Scheduled,
+            1 => JobExecutionState::Running,
+            2 => JobExecutionState::Scheduled,
+            _ => JobExecutionState::Finished,
+        }
+    }
+}
+
+pub struct RunningHandle {
+    state: Arc<AtomicU8>,
+}
+
+impl Drop for RunningHandle {
+    fn drop(&mut self) {
+        self.state.store(2, Ordering::SeqCst);
+    }
+}

mediarepo-daemon/mediarepo-worker/src/jobs/mod.rs

@@ -1,4 +1,9 @@
-use crate::progress::JobProgressUpdate;
+mod vacuum;
+
+pub use vacuum::*;
+
+use crate::execution_state::JobExecutionState;
+use crate::progress::{JobProgressUpdate, ProgressSender};
 use crate::state_data::StateData;
 use async_trait::async_trait;
 use mediarepo_core::error::RepoResult;
@@ -9,14 +14,5 @@ use tokio::sync::mpsc::Sender;
 pub trait ScheduledJob {
     async fn set_state(&self, state: StateData) -> RepoResult<()>;
 
-    async fn run(&self, sender: &mut Sender<JobProgressUpdate>, repo: Repo) -> RepoResult<()>;
-
-    fn execution_state(&self) -> JobExecutionState;
-}
-
-#[derive(Clone, Copy, Debug, Ord, PartialOrd, Eq, PartialEq)]
-pub enum JobExecutionState {
-    Scheduled,
-    Running,
-    Finished,
+    async fn run(&self, sender: &ProgressSender, repo: Repo) -> RepoResult<()>;
 }

mediarepo-daemon/mediarepo-worker/src/jobs/vacuum.rs

@@ -0,0 +1,29 @@
+use crate::execution_state::{ExecutionStateSynchronizer, JobExecutionState};
+use crate::jobs::ScheduledJob;
+use crate::progress::{JobProgressUpdate, ProgressSender};
+use crate::state_data::StateData;
+use async_trait::async_trait;
+use mediarepo_core::error::RepoResult;
+use mediarepo_logic::dao::repo::Repo;
+use mediarepo_logic::dao::DaoProvider;
+use std::sync::Arc;
+use tokio::sync::mpsc::Sender;
+use tokio::sync::RwLock;
+
+#[derive(Default, Clone)]
+pub struct VacuumJob;
+
+#[async_trait]
+impl ScheduledJob for VacuumJob {
+    async fn set_state(&self, _: StateData) -> RepoResult<()> {
+        Ok(())
+    }
+
+    async fn run(&self, sender: &ProgressSender, repo: Repo) -> RepoResult<()> {
+        sender.send_progress_percent(0.0);
+        repo.job().vacuum().await?;
+        sender.send_progress_percent(1.0);
+
+        Ok(())
+    }
+}

mediarepo-daemon/mediarepo-worker/src/lib.rs

@@ -1,3 +1,4 @@
+pub mod execution_state;
 pub mod jobs;
 pub mod jobs_table;
 pub mod progress;

mediarepo-daemon/mediarepo-worker/src/progress.rs

@@ -1,4 +1,5 @@
-use crate::jobs::JobExecutionState;
+use crate::execution_state::{ExecutionStateSynchronizer, JobExecutionState, RunningHandle};
+use tokio::sync::mpsc::Sender;
 
 #[derive(Clone, Debug)]
 pub struct JobProgressUpdate {
@@ -46,3 +47,32 @@ impl JobProgressUpdate {
         self.total = Some(total)
     }
 }
+
+pub struct ProgressSender {
+    job_id: i64,
+    execution_state_sync: ExecutionStateSynchronizer,
+    pub inner: Sender<JobProgressUpdate>,
+}
+
+impl ProgressSender {
+    pub fn new(job_id: i64, sender: Sender<JobProgressUpdate>) -> Self {
+        Self {
+            job_id,
+            inner: sender,
+            execution_state_sync: ExecutionStateSynchronizer::default(),
+        }
+    }
+
+    pub fn send_progress(&self, progress: u64, total: u64) {
+        let _ = self.inner.send(JobProgressUpdate {
+            id: self.job_id,
+            state: JobExecutionState::Running,
+            progress: Some(progress),
+            total: Some(total),
+        });
+    }
+
+    pub fn send_progress_percent(&self, percent: f64) {
+        self.send_progress((percent * 100.0) as u64, 100);
+    }
+}

mediarepo-daemon/mediarepo-worker/src/scheduler.rs

@@ -1,11 +1,13 @@
-use crate::jobs::{JobExecutionState, ScheduledJob};
+use crate::execution_state::JobExecutionState;
+use crate::jobs::{ScheduledJob, VacuumJob};
 use crate::jobs_table::JobsTable;
-use crate::progress::JobProgressUpdate;
+use crate::progress::{JobProgressUpdate, ProgressSender};
 use crate::state_data::StateData;
 use mediarepo_core::error::RepoResult;
 use mediarepo_core::futures::select;
 use mediarepo_core::settings::LogLevel::Debug;
 use mediarepo_core::tokio_graceful_shutdown::SubsystemHandle;
+use mediarepo_database::entities::job::JobType;
 use mediarepo_logic::dao::repo::Repo;
 use mediarepo_logic::dao::DaoProvider;
 use mediarepo_logic::dto::JobDto;
@@ -90,9 +92,11 @@ impl Scheduler {
                 progress.set_state(JobExecutionState::Running);
                 let _ = sender.send(progress.clone()).await;
 
-                if let Err(e) = scheduled_job.run(&mut sender, repo).await {
+                let progress_sender = ProgressSender::new(progress.id(), sender);
+                if let Err(e) = scheduled_job.run(&progress_sender, repo).await {
                     tracing::error!("error occurred during job execution: {}", e);
                 }
+                let sender = progress_sender.inner;
                 progress.set_state(JobExecutionState::Finished);
                 let _ = sender.send(progress).await;
             });
@@ -160,5 +164,19 @@ impl Scheduler {
 }
 
 fn create_job(dto: JobDto) -> Box<dyn ScheduledJob + Send + Sync> {
-    todo!("implement")
+    match dto.job_type() {
+        JobType::MigrateCDs => {
+            todo!()
+        }
+        JobType::CalculateSizes => {
+            todo!()
+        }
+        JobType::GenerateThumbs => {
+            todo!()
+        }
+        JobType::CheckIntegrity => {
+            todo!()
+        }
+        JobType::Vacuum => Box::new(VacuumJob),
+    }
 }