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89 lines
2.2 KiB
89 lines
2.2 KiB
use std::borrow::Cow;
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use std::error::Error;
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use std::fmt;
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use command_runner::CommandRunner;
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use symbols::{Action, OwnedSymbolAction, Symbol, SymbolAction, SymbolRunner};
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pub struct PostgreSQLDatabase<'a, C: 'a + CommandRunner> {
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name: Cow<'a, str>,
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seed_file: Cow<'a, str>,
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command_runner: &'a C,
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}
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impl<'a, C: CommandRunner> PostgreSQLDatabase<'a, C> {
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pub fn new(name: Cow<'a, str>, seed_file: Cow<'a, str>, command_runner: &'a C) -> Self {
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PostgreSQLDatabase {
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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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fn run_sql(&self, sql: &str) -> Result<String, Box<dyn Error>> {
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let b = self.command_runner.get_output(
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"su",
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&["-", "postgres", "-c", &format!("psql -t -c \"{}\"", sql)],
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)?;
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Ok(String::from_utf8(b)?)
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}
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}
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impl<'a, C: CommandRunner> fmt::Display for PostgreSQLDatabase<'a, C> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "PostgreSQL Database {}", self.name)
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}
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}
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impl<'a, C: CommandRunner> Symbol for PostgreSQLDatabase<'a, C> {
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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!(
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"SELECT datname FROM pg_database WHERE datname LIKE '{}'",
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self.name
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))?
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.trim()
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== self.name,
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)
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}
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fn execute(&self) -> Result<(), Box<dyn Error>> {
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self.command_runner.run_successfully(
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"su",
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&["-", "postgres", "-c", &format!("createuser {}", self.name)],
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)?;
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self.command_runner.run_successfully(
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"su",
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&[
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"-",
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"postgres",
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"-c",
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&format!("createdb -E UTF8 -T template0 -O {} {0}", self.name),
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],
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)?;
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self.command_runner.run_successfully(
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"su",
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&[
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"-",
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"postgres",
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"-c",
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&format!("psql '{}' < {}", self.name, self.seed_file),
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],
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)
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}
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fn as_action<'b>(&'b self, runner: &'b dyn SymbolRunner) -> Box<dyn Action + 'b> {
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Box::new(SymbolAction::new(runner, self))
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}
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fn into_action<'b>(self: Box<Self>, runner: &'b dyn SymbolRunner) -> Box<dyn Action + 'b>
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where
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Self: 'b,
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{
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Box::new(OwnedSymbolAction::new(runner, *self))
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}
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}
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#[cfg(test)]
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mod test {}
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