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use crate::state::{Config, T_IMPRESSIONS_RAW, T_IMPRESSIONS_WEIGHTED};
use anyhow::{anyhow, bail, Result};
use redb::{Database, ReadableTable};
pub fn tool_main(config: Config, action: &str, args: Vec<String>) -> Result<()> {
match action {
"move_host" => {
let oldhost = args.get(0).ok_or(anyhow!("2nd arg is old host"))?;
let newhost = args.get(1).ok_or(anyhow!("3rd arg is new host"))?;
move_host(config, oldhost, newhost)?;
}
_ => bail!("unknown action"),
}
Ok(())
}
pub fn move_host(config: Config, oldhost: &str, newhost: &str) -> Result<()> {
let db = Database::open(config.database_path)?;
let txn = db.begin_write()?;
{
let mut t_impressions = txn.open_table(T_IMPRESSIONS_RAW)?;
let mut t_weighted = txn.open_table(T_IMPRESSIONS_WEIGHTED)?;
let old_imp = t_impressions
.remove(oldhost)?
.map(|g| g.value())
.unwrap_or_default();
let old_wei = t_weighted
.remove(oldhost)?
.map(|g| g.value())
.unwrap_or_default();
let new_imp = t_impressions
.get(newhost)?
.map(|g| g.value())
.unwrap_or_default();
let new_wei = t_weighted
.get(newhost)?
.map(|g| g.value())
.unwrap_or_default();
println!("impressions old={old_imp} new={new_imp}");
println!("weighted old={old_wei} new={new_wei}");
t_impressions.insert(newhost, old_imp + new_imp)?;
t_weighted.insert(newhost, old_wei + new_wei)?;
}
txn.commit()?;
Ok(())
}
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