use crate::config::get_config;
use crate::executors::types::{Skill, SkillParameter};
use anyhow::Result;
use once_cell::sync::Lazy;
use serde_json::{Value, json};
use sqlx::sqlite::SqlitePoolOptions;
use sqlx::{Column, Pool, Row, Sqlite};
use std::collections::HashMap;
use std::sync::Arc;
use tokio::sync::Mutex;
struct SqliteConnectionPool {
pool: Arc<Mutex<Option<Pool<Sqlite>>>>,
}
impl SqliteConnectionPool {
fn new() -> Self {
Self {
pool: Arc::new(Mutex::new(None)),
}
}
async fn get_pool(&self) -> Result<Pool<Sqlite>> {
let mut pool_guard = self.pool.lock().await;
if let Some(pool) = pool_guard.as_ref() {
return Ok(pool.clone());
}
let config = get_config();
if config.sqlite_path.is_empty() {
anyhow::bail!("SQLite configuration incomplete: database path is required");
}
let url = format!("sqlite:{}", config.sqlite_path);
let pool = SqlitePoolOptions::new()
.max_connections(config.sqlite_pool_size as u32)
.connect(&url)
.await?;
*pool_guard = Some(pool.clone());
Ok(pool)
}
}
static SQLITE_POOL: Lazy<SqliteConnectionPool> = Lazy::new(|| SqliteConnectionPool::new());
#[derive(Debug)]
pub struct SqliteQuerySkill;
#[async_trait::async_trait]
impl Skill for SqliteQuerySkill {
fn name(&self) -> &str {
"sqlite_query"
}
fn description(&self) -> &str {
"Execute SELECT query on SQLite database"
}
fn usage_hint(&self) -> &str {
"Use this skill when the user needs to query data from SQLite database"
}
fn parameters(&self) -> Vec<SkillParameter> {
vec![
SkillParameter {
name: "query".to_string(),
param_type: "string".to_string(),
description: "SQL SELECT query to execute".to_string(),
required: true,
default: None,
example: Some(Value::String(
"SELECT * FROM users WHERE age > ?".to_string(),
)),
enum_values: None,
},
SkillParameter {
name: "params".to_string(),
param_type: "array".to_string(),
description: "Query parameters".to_string(),
required: false,
default: Some(Value::Array(vec![])),
example: Some(json!([18])),
enum_values: None,
},
SkillParameter {
name: "limit".to_string(),
param_type: "integer".to_string(),
description: "Maximum number of rows to return".to_string(),
required: false,
default: Some(Value::Number(100.into())),
example: Some(Value::Number(50.into())),
enum_values: None,
},
]
}
fn example_call(&self) -> Value {
json!({
"action": "sqlite_query",
"parameters": {
"query": "SELECT * FROM users WHERE age > ?",
"params": [18],
"limit": 10
}
})
}
fn example_output(&self) -> String {
r#"{"rows": [{"id": 1, "name": "John", "age": 25}], "row_count": 1}"#.to_string()
}
fn category(&self) -> &str {
"database"
}
async fn execute(&self, parameters: &HashMap<String, Value>) -> Result<String> {
let pool = SQLITE_POOL.get_pool().await?;
let query = parameters
.get("query")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing required parameter: query"))?;
let default_params = vec![];
let params = parameters
.get("params")
.and_then(|v| v.as_array())
.unwrap_or(&default_params);
let limit = parameters
.get("limit")
.and_then(|v| v.as_u64())
.unwrap_or(100);
let mut query_builder = sqlx::query(query);
for param in params {
query_builder = match param {
Value::String(s) => query_builder.bind(s),
Value::Number(n) => {
if let Some(i) = n.as_i64() {
query_builder.bind(i)
} else if let Some(u) = n.as_u64() {
query_builder.bind(u as i64)
} else if let Some(f) = n.as_f64() {
query_builder.bind(f)
} else {
query_builder.bind(param.to_string())
}
}
Value::Bool(b) => query_builder.bind(*b),
Value::Null => query_builder.bind(None::<String>),
_ => query_builder.bind(param.to_string()),
};
}
let rows = query_builder.fetch_all(&pool).await?;
let mut results = Vec::new();
for row in rows.iter().take(limit as usize) {
let mut row_map = serde_json::Map::new();
let columns = row.columns();
for (idx, column) in columns.into_iter().enumerate() {
let column_name = column.name();
let value: Result<String, sqlx::Error> = row.try_get(idx);
if let Ok(val) = value {
row_map.insert(column_name.to_string(), json!(val));
} else {
let int_val: Result<i64, sqlx::Error> = row.try_get(idx);
if let Ok(val) = int_val {
row_map.insert(column_name.to_string(), json!(val));
} else {
let float_val: Result<f64, sqlx::Error> = row.try_get(idx);
if let Ok(val) = float_val {
row_map.insert(column_name.to_string(), json!(val));
} else {
let bool_val: Result<bool, sqlx::Error> = row.try_get(idx);
if let Ok(val) = bool_val {
row_map.insert(column_name.to_string(), json!(val));
} else {
row_map.insert(column_name.to_string(), json!(null));
}
}
}
}
}
results.push(serde_json::Value::Object(row_map));
}
Ok(json!({
"rows": results,
"row_count": results.len()
})
.to_string())
}
}
#[derive(Debug)]
pub struct SqliteExecuteSkill;
#[async_trait::async_trait]
impl Skill for SqliteExecuteSkill {
fn name(&self) -> &str {
"sqlite_execute"
}
fn description(&self) -> &str {
"Execute INSERT, UPDATE, or DELETE query on SQLite database"
}
fn usage_hint(&self) -> &str {
"Use this skill when the user needs to modify data in SQLite database"
}
fn parameters(&self) -> Vec<SkillParameter> {
vec![
SkillParameter {
name: "query".to_string(),
param_type: "string".to_string(),
description: "SQL query to execute (INSERT, UPDATE, DELETE)".to_string(),
required: true,
default: None,
example: Some(Value::String(
"INSERT INTO users (name, age) VALUES (?, ?)".to_string(),
)),
enum_values: None,
},
SkillParameter {
name: "params".to_string(),
param_type: "array".to_string(),
description: "Query parameters".to_string(),
required: false,
default: Some(Value::Array(vec![])),
example: Some(json!(["John", 25])),
enum_values: None,
},
]
}
fn example_call(&self) -> Value {
json!({
"action": "sqlite_execute",
"parameters": {
"query": "UPDATE users SET age = ? WHERE name = ?",
"params": [26, "John"]
}
})
}
fn example_output(&self) -> String {
r#"{"rows_affected": 1}"#.to_string()
}
fn category(&self) -> &str {
"database"
}
async fn execute(&self, parameters: &HashMap<String, Value>) -> Result<String> {
let pool = SQLITE_POOL.get_pool().await?;
let query = parameters
.get("query")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing required parameter: query"))?;
let default_params = vec![];
let params = parameters
.get("params")
.and_then(|v| v.as_array())
.unwrap_or(&default_params);
let mut query_builder = sqlx::query(query);
for param in params {
query_builder = match param {
Value::String(s) => query_builder.bind(s),
Value::Number(n) => {
if let Some(i) = n.as_i64() {
query_builder.bind(i)
} else if let Some(u) = n.as_u64() {
query_builder.bind(u as i64)
} else if let Some(f) = n.as_f64() {
query_builder.bind(f)
} else {
query_builder.bind(param.to_string())
}
}
Value::Bool(b) => query_builder.bind(*b),
Value::Null => query_builder.bind(None::<String>),
_ => query_builder.bind(param.to_string()),
};
}
let result = query_builder.execute(&pool).await?;
Ok(json!({
"rows_affected": result.rows_affected()
})
.to_string())
}
}
#[derive(Debug)]
pub struct SqliteListTablesSkill;
#[async_trait::async_trait]
impl Skill for SqliteListTablesSkill {
fn name(&self) -> &str {
"sqlite_list_tables"
}
fn description(&self) -> &str {
"List all tables in SQLite database"
}
fn usage_hint(&self) -> &str {
"Use this skill when the user needs to see available tables in the SQLite database"
}
fn parameters(&self) -> Vec<SkillParameter> {
vec![]
}
fn example_call(&self) -> Value {
json!({
"action": "sqlite_list_tables"
})
}
fn example_output(&self) -> String {
r#"["users", "orders", "products"]"#.to_string()
}
fn category(&self) -> &str {
"database"
}
async fn execute(&self, _parameters: &HashMap<String, Value>) -> Result<String> {
let pool = SQLITE_POOL.get_pool().await?;
let rows = sqlx::query("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name")
.fetch_all(&pool)
.await?;
let tables: Vec<String> = rows.iter().map(|row| row.get(0)).collect();
Ok(json!(tables).to_string())
}
}