claude_rust_tools/infrastructure/
config_tool.rs

1use claude_rust_errors::AppResult;
2use claude_rust_types::{PermissionLevel, Tool};
3use serde_json::{Value, json};
4
5/// Tool for getting, setting, and listing configuration values.
6///
7/// TODO: Phase 4 — integrate with real configuration store.
8pub struct ConfigTool;
9
10impl ConfigTool {
11    pub fn new() -> Self {
12        Self
13    }
14}
15
16#[async_trait::async_trait]
17impl Tool for ConfigTool {
18    fn name(&self) -> &str {
19        "config"
20    }
21
22    fn description(&self) -> &str {
23        "Get, set, or list configuration values."
24    }
25
26    fn input_schema(&self) -> Value {
27        json!({
28            "type": "object",
29            "properties": {
30                "operation": {
31                    "type": "string",
32                    "description": "Config operation: \"get\", \"set\", or \"list\"",
33                    "enum": ["get", "set", "list"]
34                },
35                "key": {
36                    "type": "string",
37                    "description": "Configuration key (required for get/set)"
38                },
39                "value": {
40                    "type": "string",
41                    "description": "Configuration value (required for set)"
42                }
43            },
44            "required": ["operation"]
45        })
46    }
47
48    fn permission_level(&self) -> PermissionLevel {
49        PermissionLevel::Dangerous
50    }
51
52    async fn execute(&self, input: Value) -> AppResult<String> {
53        let operation = input
54            .get("operation")
55            .and_then(|v| v.as_str())
56            .ok_or_else(|| claude_rust_errors::AppError::Tool("missing 'operation' field".into()))?;
57
58        let key = input.get("key").and_then(|v| v.as_str());
59        let value = input.get("value").and_then(|v| v.as_str());
60
61        // TODO: Phase 4 — replace stub with real config store integration
62        tracing::info!(operation, key, value, "config operation (stub)");
63
64        match operation {
65            "get" => {
66                let key = key.ok_or_else(|| {
67                    claude_rust_errors::AppError::Tool("'key' is required for get".into())
68                })?;
69                Ok(format!("Config '{key}': (not set — stub)"))
70            }
71            "set" => {
72                let key = key.ok_or_else(|| {
73                    claude_rust_errors::AppError::Tool("'key' is required for set".into())
74                })?;
75                let value = value.ok_or_else(|| {
76                    claude_rust_errors::AppError::Tool("'value' is required for set".into())
77                })?;
78                Ok(format!("Config '{key}' set to '{value}'. (stub)"))
79            }
80            "list" => Ok("Configuration (stub):\n  (no entries)".to_string()),
81            other => Err(claude_rust_errors::AppError::Tool(
82                format!("unknown config operation: {other}")
83            )),
84        }
85    }
86}
claude_rust_tools/infrastructure/config_tool.rs

claude_rust_tools/infrastructure/
config_tool.rs
