67 lines
1.9 KiB
Rust
67 lines
1.9 KiB
Rust
pub mod kvp;
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pub mod workspace;
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use std::fs;
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use std::ops::Deref;
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use std::path::Path;
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use anyhow::Result;
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use indoc::indoc;
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use sqlez::connection::Connection;
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use sqlez::domain::Domain;
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use sqlez::thread_safe_connection::ThreadSafeConnection;
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pub use workspace::*;
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const INITIALIZE_QUERY: &'static str = indoc! {"
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PRAGMA journal_mode=WAL;
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PRAGMA synchronous=NORMAL;
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PRAGMA foreign_keys=TRUE;
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PRAGMA case_sensitive_like=TRUE;
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"};
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#[derive(Clone)]
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pub struct Db<D: Domain>(ThreadSafeConnection<D>);
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impl<D: Domain> Deref for Db<D> {
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type Target = sqlez::connection::Connection;
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fn deref(&self) -> &Self::Target {
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&self.0.deref()
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}
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}
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impl<D: Domain> Db<D> {
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/// Open or create a database at the given directory path.
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pub fn open(db_dir: &Path, channel: &'static str) -> Self {
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// Use 0 for now. Will implement incrementing and clearing of old db files soon TM
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let current_db_dir = db_dir.join(Path::new(&format!("0-{}", channel)));
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fs::create_dir_all(¤t_db_dir)
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.expect("Should be able to create the database directory");
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let db_path = current_db_dir.join(Path::new("db.sqlite"));
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Db(
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ThreadSafeConnection::new(db_path.to_string_lossy().as_ref(), true)
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.with_initialize_query(INITIALIZE_QUERY),
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)
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}
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/// Open a in memory database for testing and as a fallback.
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pub fn open_in_memory(db_name: &str) -> Self {
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Db(ThreadSafeConnection::new(db_name, false).with_initialize_query(INITIALIZE_QUERY))
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}
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pub fn persisting(&self) -> bool {
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self.persistent()
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}
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pub fn write_to<P: AsRef<Path>>(&self, dest: P) -> Result<()> {
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let destination = Connection::open_file(dest.as_ref().to_string_lossy().as_ref());
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self.backup_main(&destination)
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}
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pub fn open_as<D2: Domain>(&self) -> Db<D2> {
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Db(self.0.for_domain())
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}
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}
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