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66 lines
1.5 KiB
66 lines
1.5 KiB
use crate::command_runner::CommandRunner;
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use crate::storage::Storage;
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use crate::symbols::Symbol;
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use async_trait::async_trait;
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use std::error::Error;
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#[derive(Debug)]
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pub struct Database<'a, D, S, C> {
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db_name: D,
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seed_file: S,
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command_runner: &'a C,
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}
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impl<'a, D, S, C: CommandRunner> Database<'a, D, S, C> {
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pub fn new(db_name: D, seed_file: S, command_runner: &'a C) -> Self {
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Self {
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db_name,
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seed_file,
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command_runner,
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}
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}
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async fn run_sql(&self, sql: &str) -> Result<String, Box<dyn Error>> {
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let b = self
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.command_runner
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.get_output("mariadb", args!["--skip-column-names", "-B", "-e", sql])
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.await?;
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Ok(String::from_utf8(b)?)
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}
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}
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#[async_trait(?Send)]
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impl<D: AsRef<str>, S: Storage, C: CommandRunner> Symbol for Database<'_, D, S, C> {
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async fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
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Ok(
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self
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.run_sql(&format!("SHOW DATABASES LIKE '{}'", self.db_name.as_ref()))
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.await?
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.trim_end()
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== self.db_name.as_ref(),
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)
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}
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async fn execute(&self) -> Result<(), Box<dyn Error>> {
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self
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.run_sql(&format!("CREATE DATABASE {}", self.db_name.as_ref()))
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.await?;
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self
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.command_runner
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.run_successfully(
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"sh",
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args![
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"-c",
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format!(
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"mariadb '{}' < {}",
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self.db_name.as_ref(),
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self.seed_file.read_filename()?.to_str().unwrap()
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),
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],
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)
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.await
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}
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}
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#[cfg(test)]
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mod test {}
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