kotoba_rewrite/rewrite/
applier.rs

1//! ルール適用
2
3use kotoba_core::ir::*;
4use kotoba_storage::KeyValueStore;
5use kotoba_core::types::*;
6use std::collections::HashMap;
7use std::sync::Arc;
8use tracing::warn;
9
10/// ルール適用器 with KeyValueStore backend
11#[derive(Debug)]
12pub struct RuleApplier<T: KeyValueStore + 'static> {
13    storage: Arc<T>,
14}
15
16impl<T: KeyValueStore + 'static> RuleApplier<T> {
17    pub fn new(storage: Arc<T>) -> Self {
18        Self { storage }
19    }
20
21    /// ルールを適用してパッチを生成 (KeyValueStoreベース)
22    pub async fn apply_rule(&self, graph_key: &str, rule: &RuleIR, match_data: &serde_json::Value) -> anyhow::Result<serde_json::Value> {
23        // TODO: Implement rule application using KeyValueStore
24        warn!("Rule application not fully implemented yet");
25
26        // For now, return a simple patch structure
27        Ok(serde_json::json!({
28            "graph_key": graph_key,
29            "rule_name": rule.name,
30            "match_data": match_data,
31            "patch": {
32                "deletions": [],
33                "additions": [],
34                "updates": []
35            },
36            "status": "pending"
37        }))
38    }
39
40    /// パッチを適用
41    pub async fn apply_patch(&self, graph_key: &str, patch: &serde_json::Value) -> anyhow::Result<()> {
42        // TODO: Apply patch to graph in KeyValueStore
43        warn!("Patch application not implemented yet");
44
45        // For now, just save the patch
46        let patch_key = format!("patch:{}:{}", graph_key, chrono::Utc::now().timestamp());
47        let patch_bytes = serde_json::to_vec(patch)?;
48
49        self.storage.put(patch_key.as_bytes(), &patch_bytes).await?;
50        Ok(())
51    }
52
53    /// パッチを保存
54    pub async fn save_patch(&self, graph_key: &str, rule_name: &str, patch: &serde_json::Value) -> anyhow::Result<()> {
55        let patch_key = format!("patch:{}:{}:{}", graph_key, rule_name, chrono::Utc::now().timestamp());
56        let patch_bytes = serde_json::to_vec(patch)?;
57
58        self.storage.put(patch_key.as_bytes(), &patch_bytes).await?;
59        Ok(())
60    }
61
62    /// パッチを読み込み
63    pub async fn load_patches(&self, graph_key: &str) -> anyhow::Result<Vec<serde_json::Value>> {
64        let prefix = format!("patch:{}:", graph_key);
65        let keys = self.storage.scan(prefix.as_bytes()).await?;
66
67        let mut patches = Vec::new();
68        for key_bytes in keys {
69            if let Ok(key_str) = std::str::from_utf8(&key_bytes.0) {
70                if key_str.starts_with(&prefix) {
71                    if let Some(patch_data) = self.storage.get(&key_bytes.0).await? {
72                        if let Ok(patch_json) = serde_json::from_slice::<serde_json::Value>(&patch_data) {
73                            patches.push(patch_json);
74                        }
75                    }
76                }
77            }
78        }
79
80        Ok(patches)
81    }
82}