ricecoder_files/manager.rs
1//! FileManager coordinator for file operations
2
3use crate::error::FileError;
4use crate::models::FileOperation;
5use std::path::Path;
6use uuid::Uuid;
7
8/// Central coordinator for all file operations
9///
10/// FileManager orchestrates safe writes, transactions, conflict resolution,
11/// and audit logging. It provides a high-level API for file operations.
12#[derive(Debug)]
13pub struct FileManager {
14 // Placeholder for future sub-components
15 // These will be added as we implement each component
16}
17
18impl FileManager {
19 /// Creates a new FileManager instance
20 pub fn new() -> Self {
21 FileManager {}
22 }
23
24 /// Writes a file safely with atomic operations
25 ///
26 /// # Arguments
27 ///
28 /// * `path` - Path to the file to write
29 /// * `content` - Content to write
30 ///
31 /// # Returns
32 ///
33 /// A FileOperation describing what was done, or an error
34 pub async fn write_file(
35 &self,
36 _path: &Path,
37 _content: &str,
38 ) -> Result<FileOperation, FileError> {
39 // Placeholder implementation
40 // Will be implemented in subsequent tasks
41 Err(FileError::InvalidContent("Not yet implemented".to_string()))
42 }
43
44 /// Begins a new transaction
45 ///
46 /// # Returns
47 ///
48 /// A unique transaction ID
49 pub fn begin_transaction(&self) -> Uuid {
50 Uuid::new_v4()
51 }
52
53 /// Commits a transaction
54 ///
55 /// # Arguments
56 ///
57 /// * `tx_id` - Transaction ID to commit
58 ///
59 /// # Returns
60 ///
61 /// Result indicating success or failure
62 pub async fn commit_transaction(&self, _tx_id: Uuid) -> Result<(), FileError> {
63 // Placeholder implementation
64 Err(FileError::TransactionFailed(
65 "Not yet implemented".to_string(),
66 ))
67 }
68
69 /// Rolls back a transaction
70 ///
71 /// # Arguments
72 ///
73 /// * `tx_id` - Transaction ID to rollback
74 ///
75 /// # Returns
76 ///
77 /// Result indicating success or failure
78 pub async fn rollback_transaction(&self, _tx_id: Uuid) -> Result<(), FileError> {
79 // Placeholder implementation
80 Err(FileError::RollbackFailed("Not yet implemented".to_string()))
81 }
82}
83
84impl Default for FileManager {
85 fn default() -> Self {
86 Self::new()
87 }
88}
89
90#[cfg(test)]
91mod tests {
92 use super::*;
93
94 #[test]
95 fn test_file_manager_creation() {
96 let manager = FileManager::new();
97 assert_eq!(std::mem::size_of_val(&manager), 0);
98 }
99
100 #[test]
101 fn test_begin_transaction_returns_unique_ids() {
102 let manager = FileManager::new();
103 let id1 = manager.begin_transaction();
104 let id2 = manager.begin_transaction();
105 assert_ne!(id1, id2);
106 }
107}