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}