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|
use std::sync::Mutex;
use rusqlite::{Connection, OptionalExtension};
use std::time::{SystemTime, UNIX_EPOCH};
use crate::notifier::{RemoteNotifier, NotifierConfig};
use crate::sql;
pub struct DbCtx {
pub config_path: String,
// don't love this but.. for now...
pub conn: Mutex<Connection>,
}
#[derive(Debug, Clone)]
pub struct PendingJob {
pub id: u64,
pub artifacts: Option<String>,
pub state: sql::JobState,
pub run_host: Option<String>,
pub remote_id: u64,
pub commit_id: u64,
pub created_time: u64,
}
impl DbCtx {
pub fn new(config_path: &str, db_path: &str) -> Self {
DbCtx {
config_path: config_path.to_owned(),
conn: Mutex::new(Connection::open(db_path).unwrap())
}
}
pub fn create_tables(&self) -> Result<(), ()> {
let conn = self.conn.lock().unwrap();
conn.execute(sql::CREATE_JOBS_TABLE, ()).unwrap();
conn.execute(sql::CREATE_COMMITS_TABLE, ()).unwrap();
conn.execute(sql::CREATE_REPOS_TABLE, ()).unwrap();
conn.execute(sql::CREATE_REPO_NAME_INDEX, ()).unwrap();
conn.execute(sql::CREATE_REMOTES_TABLE, ()).unwrap();
conn.execute(sql::CREATE_REMOTES_INDEX, ()).unwrap();
Ok(())
}
pub fn new_commit(&self, sha: &str) -> Result<u64, String> {
let conn = self.conn.lock().unwrap();
conn
.execute(
"insert into commits (sha) values (?1)",
[sha.clone()]
)
.expect("can insert");
Ok(conn.last_insert_rowid() as u64)
}
pub fn new_repo(&self, name: &str) -> Result<u64, String> {
let conn = self.conn.lock().unwrap();
conn
.execute(
"insert into repos (repo_name) values (?1)",
[name.clone()]
)
.map_err(|e| {
format!("{:?}", e)
})?;
Ok(conn.last_insert_rowid() as u64)
}
pub fn repo_id_by_remote(&self, remote_id: u64) -> Result<Option<u64>, String> {
self.conn.lock()
.unwrap()
.query_row("select repo_id from remotes where id=?1", [remote_id], |row| row.get(0))
.optional()
.map_err(|e| e.to_string())
}
pub fn repo_id_by_name(&self, repo_name: &str) -> Result<Option<u64>, String> {
self.conn.lock()
.unwrap()
.query_row("select id from repos where repo_name=?1", [repo_name], |row| row.get(0))
.optional()
.map_err(|e| e.to_string())
}
pub fn new_remote(&self, repo_id: u64, remote: &str, remote_kind: &str, config_path: &str) -> Result<u64, String> {
let (remote_path, remote_api, remote_url, remote_git_url) = match remote_kind {
"github" => {
(remote.to_owned(), remote_kind.to_owned(), format!("https://www.github.com/{}", remote), format!("https://www.github.com/{}.git", remote))
},
other => {
panic!("unsupported remote kind: {}", other);
}
};
let conn = self.conn.lock().unwrap();
conn
.execute(
"insert into remotes (repo_id, remote_path, remote_api, remote_url, remote_git_url, notifier_config_path) values (?1, ?2, ?3, ?4, ?5, ?6);",
(repo_id, remote_path, remote_api, remote_url, remote_git_url, config_path)
)
.expect("can insert");
Ok(conn.last_insert_rowid() as u64)
}
pub fn new_job(&self, remote_id: u64, sha: &str) -> Result<u64, String> {
// TODO: potential race: if two remotes learn about a commit at the same time and we decide
// to create two jobs at the same time, this might return an incorrect id if the insert
// didn't actually insert a new row.
let commit_id = self.new_commit(sha).expect("can create commit record");
let created_time = SystemTime::now()
.duration_since(UNIX_EPOCH)
.expect("now is before epoch")
.as_millis() as u64;
let conn = self.conn.lock().unwrap();
let rows_modified = conn.execute(
"insert into jobs (state, remote_id, commit_id, created_time) values (?1, ?2, ?3, ?4);",
(crate::sql::JobState::Pending as u64, remote_id, commit_id, created_time)
).unwrap();
assert_eq!(1, rows_modified);
Ok(conn.last_insert_rowid() as u64)
}
pub fn get_pending_jobs(&self) -> Result<Vec<PendingJob>, String> {
let conn = self.conn.lock().unwrap();
let mut pending_query = conn.prepare(sql::PENDING_JOBS).unwrap();
let mut jobs = pending_query.query([]).unwrap();
let mut pending = Vec::new();
while let Some(row) = jobs.next().unwrap() {
let (id, artifacts, state, run_host, remote_id, commit_id, created_time) = row.try_into().unwrap();
let state: u8 = state;
pending.push(PendingJob {
id, artifacts,
state: state.try_into().unwrap(),
run_host, remote_id, commit_id, created_time
});
}
Ok(pending)
}
pub fn notifiers_by_repo(&self, repo_id: u64) -> Result<Vec<RemoteNotifier>, String> {
#[derive(Debug)]
#[allow(dead_code)]
struct Remote {
id: u64,
repo_id: u64,
remote_path: String,
remote_api: String,
notifier_config_path: String,
}
let mut remotes: Vec<Remote> = Vec::new();
let conn = self.conn.lock().unwrap();
let mut remotes_query = conn.prepare(crate::sql::REMOTES_FOR_REPO).unwrap();
let mut remote_results = remotes_query.query([repo_id]).unwrap();
while let Some(row) = remote_results.next().unwrap() {
let (id, repo_id, remote_path, remote_api, remote_url, remote_git_url, notifier_config_path) = row.try_into().unwrap();
let _: String = remote_url;
let _: String = remote_git_url;
remotes.push(Remote { id, repo_id, remote_path, remote_api, notifier_config_path });
}
let mut notifiers: Vec<RemoteNotifier> = Vec::new();
for remote in remotes.into_iter() {
match remote.remote_api.as_str() {
"github" => {
let notifier = RemoteNotifier {
remote_path: remote.remote_path,
notifier: NotifierConfig::github_from_file(&format!("{}/{}", self.config_path, remote.notifier_config_path))
.expect("can load notifier config")
};
notifiers.push(notifier);
},
"email" => {
let notifier = RemoteNotifier {
remote_path: remote.remote_path,
notifier: NotifierConfig::email_from_file(&format!("{}/{}", self.config_path, remote.notifier_config_path))
.expect("can load notifier config")
};
notifiers.push(notifier);
}
other => {
eprintln!("unknown remote api kind: {:?}, remote is {:?}", other, &remote)
}
}
}
Ok(notifiers)
}
}
|
