use crate::databases::DatabaseConnection;
use crate::models::TableSchema;
use anyhow::Result;
use async_trait::async_trait;
use redis::Client;
pub struct RedisConnection {
client: Client,
}
impl RedisConnection {
pub async fn new(connection_string: &str) -> Result<Self> {
let client = Client::open(connection_string)?;
Ok(Self { client })
}
}
#[async_trait]
impl DatabaseConnection for RedisConnection {
async fn get_table_schema(&self, _table_name: &str) -> Result<TableSchema> {
Ok(TableSchema {
name: _table_name.to_string(),
fields: vec![],
foreign_keys: vec![],
indexes: vec![],
})
}
async fn get_all_tables(&self) -> Result<Vec<String>> {
Ok(vec![])
}
async fn execute(&self, _sql: &str) -> Result<()> {
Ok(())
}
async fn query(&self, _sql: &str) -> Result<Vec<serde_json::Value>> {
Ok(vec![])
}
async fn begin_transaction(&self) -> Result<()> {
Ok(())
}
async fn commit_transaction(&self) -> Result<()> {
Ok(())
}
async fn rollback_transaction(&self) -> Result<()> {
Ok(())
}
}
pub fn sql_to_redis_command(sql: &str) -> Result<Vec<String>> {
let sql = sql.trim();
let upper_sql = sql.to_uppercase();
if upper_sql.starts_with("SELECT") {
let parts: Vec<&str> = sql.split_whitespace().collect();
if parts.len() >= 4 {
let key = parts[3].trim_matches(|c| c == '`' || c == '\'' || c == '"');
return Ok(vec![format!("GET {}", key)]);
}
} else if upper_sql.starts_with("INSERT") {
return Ok(vec!["SET key value".to_string()]);
} else if upper_sql.starts_with("DELETE") {
return Ok(vec!["DEL key".to_string()]);
}
Err(anyhow::anyhow!("Unsupported SQL command for Redis"))
}