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feagi_services/impls/
snapshot_service_impl.rs

1// Copyright 2025 Neuraville Inc.
2// SPDX-License-Identifier: Apache-2.0
3
4/*!
5Snapshot service implementation.
6
7Provides snapshot creation, restoration, and management.
8
9Copyright 2025 Neuraville Inc.
10Licensed under the Apache License, Version 2.0
11*/
12
13use async_trait::async_trait;
14use std::path::PathBuf;
15use tracing::{info, warn};
16
17use crate::traits::{SnapshotCreateOptions, SnapshotMetadata, SnapshotService};
18use crate::types::{ServiceError, ServiceResult};
19
20/// Default implementation of SnapshotService
21pub struct SnapshotServiceImpl {
22    #[allow(dead_code)] // Used for future file I/O implementation
23    snapshot_dir: PathBuf,
24}
25
26impl SnapshotServiceImpl {
27    /// Create a new SnapshotServiceImpl
28    ///
29    /// # Arguments
30    /// * `snapshot_dir` - Directory where snapshots are stored
31    pub fn new(snapshot_dir: PathBuf) -> Self {
32        Self { snapshot_dir }
33    }
34}
35
36#[async_trait]
37impl SnapshotService for SnapshotServiceImpl {
38    async fn create_snapshot(
39        &self,
40        options: SnapshotCreateOptions,
41    ) -> ServiceResult<SnapshotMetadata> {
42        // Generate unique snapshot ID
43        let snapshot_id = uuid::Uuid::new_v4().to_string();
44        let timestamp = chrono::Utc::now().to_rfc3339();
45
46        // TODO: Serialize genome from ConnectomeService
47        // TODO: If stateful, serialize NPU state from RuntimeService
48        // TODO: Write to disk in snapshot_dir
49
50        info!(target: "feagi-services", "Created snapshot: {} (stateful: {})",
51            snapshot_id, options.stateful);
52
53        Ok(SnapshotMetadata {
54            snapshot_id: snapshot_id.clone(),
55            created_at: timestamp,
56            name: options.name.unwrap_or_else(|| snapshot_id.clone()),
57            description: options.description,
58            stateful: options.stateful,
59            size_bytes: 0, // TODO: Calculate actual size
60        })
61    }
62
63    async fn restore_snapshot(&self, snapshot_id: &str) -> ServiceResult<()> {
64        // TODO: Load snapshot from disk
65        // TODO: Deserialize and apply to ConnectomeService/RuntimeService
66
67        info!(target: "feagi-services", "Restored snapshot: {}", snapshot_id);
68
69        Ok(())
70    }
71
72    async fn list_snapshots(&self) -> ServiceResult<Vec<SnapshotMetadata>> {
73        // TODO: Scan snapshot_dir and load metadata
74
75        Ok(Vec::new())
76    }
77
78    async fn delete_snapshot(&self, snapshot_id: &str) -> ServiceResult<()> {
79        // TODO: Delete snapshot files from disk
80
81        info!(target: "feagi-services", "Deleted snapshot: {}", snapshot_id);
82
83        Ok(())
84    }
85
86    async fn get_snapshot_artifact(
87        &self,
88        snapshot_id: &str,
89        format: &str,
90    ) -> ServiceResult<Vec<u8>> {
91        // TODO: Load and return snapshot artifact
92
93        warn!(target: "feagi-services", "get_snapshot_artifact not yet implemented: {} ({})",
94            snapshot_id, format);
95
96        Err(ServiceError::NotImplemented(
97            "Snapshot artifact retrieval not yet implemented".to_string(),
98        ))
99    }
100}