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#
jellytau_lib/playback_reporting/
sync_processor.rs

    1//! Sync queue processor with retry logic and exponential backoff
    2//!
    3//! This is a placeholder implementation. Full implementation will be added
    4//! when the reporter is integrated. Dead code warnings are suppressed.
    5
    6#![allow(dead_code)]
    7#![allow(unused_imports)]
    8
    9use std::sync::atomic::{AtomicBool, Ordering};
    10use std::sync::Arc;
    11use std::time::Duration;
    12use tokio::sync::Mutex as TokioMutex;
    13
    14use crate::jellyfin::client::JellyfinClient;
    15use crate::repository::MediaRepository;
    16use crate::storage::db_service::RusqliteService;
    17
    18/// Configuration for sync processor
    19pub struct SyncConfig {
    20    pub max_retries: u32,         // 5
    21    pub base_retry_delay_ms: u64, // 1000ms
    22    pub batch_size: usize,        // 10 items
    23}
    24
    25impl Default for SyncConfig {
    26    fn default() -> Self {
    27        Self {
    28            max_retries: 5,
    29            base_retry_delay_ms: 1000,
    30            batch_size: 10,
    31        }
    32    }
    33}
    34
    35/// Sync queue processor that handles retry logic with exponential backoff
    36///
    37/// This is a placeholder implementation. Full implementation will be added
    38/// in a subsequent task following the plan.
    39pub struct SyncProcessor {
    40    _db_service: Arc<RusqliteService>,
    41    _jellyfin_client: Arc<TokioMutex<Option<JellyfinClient>>>,
    42    _repository: Arc<dyn MediaRepository>,
    43    _processing: Arc<TokioMutex<bool>>,
    44    _cancelled: Arc<AtomicBool>,
    45    _config: SyncConfig,
    46}
    47
    48impl SyncProcessor {
    49    /// Creates a new SyncProcessor
    50    pub fn new(
    51        db_service: Arc<RusqliteService>,
    52        jellyfin_client: Arc<TokioMutex<Option<JellyfinClient>>>,
    53        repository: Arc<dyn MediaRepository>,
    54    ) -> Self {
    55        Self {
    56            _db_service: db_service,
    57            _jellyfin_client: jellyfin_client,
    58            _repository: repository,
    59            _processing: Arc::new(TokioMutex::new(false)),
    60            _cancelled: Arc::new(AtomicBool::new(false)),
    61            _config: SyncConfig::default(),
    62        }
    63    }
    64
    65    /// Starts the sync processor
    66    pub async fn start(&self) -> Result<(), String> {
    67        log::info!("[SyncProcessor] Started (placeholder implementation)");
    68        // TODO: Implement full processor logic
    69        Ok(())
    70    }
    71
    72    /// Stops the sync processor
    73    pub async fn stop(&self) -> Result<(), String> {
    74        log::info!("[SyncProcessor] Stopped (placeholder implementation)");
    75        // TODO: Implement stop logic
    76        Ok(())
    77    }
    78
    79    /// Processes the sync queue once
    80    pub async fn process_queue(&self) -> Result<(), String> {
    81        log::debug!("[SyncProcessor] Processing queue (placeholder)");
    82        // TODO: Implement queue processing
    83        Ok(())
    84    }
    85
    86    /// Calculates exponential backoff delay
    87    fn _calculate_backoff(&self, retry_count: u32) -> Duration {
    88        let delay_ms = self._config.base_retry_delay_ms * 2_u64.pow(retry_count);
    89        let max_delay_ms = 10_000; // 10 seconds max
    90        Duration::from_millis(delay_ms.min(max_delay_ms))
    91    }
    92}
    93
    94#[cfg(test)]
    95mod tests {
    96    use super::*;
    97
    98    #[test]
    99    fn test_sync_config_default() {
    100        let config = SyncConfig::default();
    101        assert_eq!(config.max_retries, 5);
    102        assert_eq!(config.base_retry_delay_ms, 1000);
    103        assert_eq!(config.batch_size, 10);
    104    }
    105
    106    // TODO: Re-enable when SyncProcessor is fully implemented
    107    // #[test]
    108    // fn test_calculate_backoff() {
    109    //     let config = SyncConfig::default();
    110    //     let processor = SyncProcessor {
    111    //         _db_service: Arc::new(unsafe { std::mem::zeroed() }),  // Placeholder for test
    112    //         _jellyfin_client: Arc::new(TokioMutex::new(None)),
    113    //         _repository: Arc::new(unsafe { std::mem::zeroed() }),  // Placeholder for test
    114    //         _processing: Arc::new(TokioMutex::new(false)),
    115    //         _cancelled: Arc::new(AtomicBool::new(false)),
    116    //         _config: config,
    117    //     };
    118    //
    119    //     // Test exponential backoff: 1s, 2s, 4s, 8s, 10s (capped)
    120    //     assert_eq!(processor._calculate_backoff(0), Duration::from_millis(1000));
    121    //     assert_eq!(processor._calculate_backoff(1), Duration::from_millis(2000));
    122    //     assert_eq!(processor._calculate_backoff(2), Duration::from_millis(4000));
    123    //     assert_eq!(processor._calculate_backoff(3), Duration::from_millis(8000));
    124    //     assert_eq!(processor._calculate_backoff(4), Duration::from_millis(10000)); // capped
    125    //     assert_eq!(processor._calculate_backoff(5), Duration::from_millis(10000)); // capped
    126    // }
    127}