OXYGENHUB
# ff6569530173 oxygenhub / crates / hub / src / db / repos.rs
9.9 KiB · Rust · last changed One approval by default only where someone else can give it 1 month ago source blame history raw
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//! The `repositories` and `pushes` tables.
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use super::{now_ms, Pool};
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use hub_api::Visibility;
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use sqlx::FromRow;
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#[derive(Clone, Debug, FromRow)]
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pub struct RepoRow {
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    pub id: i64,
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    pub owner: String,
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    pub name: String,
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    pub description: String,
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    pub default_bookmark: String,
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    pub visibility: String,
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    pub created_ms: i64,
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    pub updated_ms: i64,
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    #[sqlx(default)]
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    pub git_mirror: bool,
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    #[sqlx(default)]
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    pub git_mirror_state: String,
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    /// The repository this one was forked from (migration 0009).
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    #[sqlx(default)]
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    pub forked_from: Option<i64>,
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    /// Space-separated topics (migration 0010).
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    #[sqlx(default)]
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    pub topics: String,
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    /// Counts for the tabs; filled by `get` only.
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    #[sqlx(default)]
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    pub open_issues: i64,
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    #[sqlx(default)]
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    pub open_proposals: i64,
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}
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impl RepoRow {
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    pub fn visibility(&self) -> Visibility {
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        Visibility::parse(&self.visibility).unwrap_or(Visibility::Private)
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    }
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    pub fn topic_list(&self) -> Vec<&str> {
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        self.topics.split_whitespace().collect()
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    }
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    pub fn slug(&self) -> String {
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        format!("{}/{}", self.owner, self.name)
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    }
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}
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#[derive(Clone, Debug, FromRow)]
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pub struct PushRow {
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    pub id: i64,
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    pub at_ms: i64,
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    pub reference: String,
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    pub ok: bool,
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    pub reason: String,
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    pub old_state: String,
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    pub new_state: String,
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    pub heads: i64,
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    pub changes: i64,
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    pub pusher: String,
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}
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/// One reference's outcome in a push, as the protocol backend reports it.
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#[derive(Clone, Debug)]
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pub struct PushOutcome {
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    pub reference: String,
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    pub ok: bool,
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    pub reason: String,
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    pub old_state: String,
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    pub new_state: String,
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    pub heads: i64,
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    pub changes: i64,
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}
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pub async fn list(pool: &Pool) -> sqlx::Result<Vec<RepoRow>> {
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    sqlx::query_as("SELECT * FROM repositories ORDER BY updated_ms DESC, owner, name").fetch_all(pool).await
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}
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pub async fn get_by_id(pool: &Pool, id: i64) -> sqlx::Result<Option<RepoRow>> {
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    sqlx::query_as("SELECT * FROM repositories WHERE id = ?").bind(id).fetch_optional(pool).await
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}
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pub async fn list_by_owner(pool: &Pool, owner: &str) -> sqlx::Result<Vec<RepoRow>> {
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    sqlx::query_as("SELECT * FROM repositories WHERE owner = ? ORDER BY updated_ms DESC, name").bind(owner).fetch_all(pool).await
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}
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/// One repository, with its open issue and proposal counts for the tabs.
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pub async fn get(pool: &Pool, owner: &str, name: &str) -> sqlx::Result<Option<RepoRow>> {
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    sqlx::query_as(
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        "SELECT r.*, \
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           (SELECT COUNT(*) FROM issues i WHERE i.repo_id = r.id AND i.state = 'open') AS open_issues, \
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           (SELECT COUNT(*) FROM proposals p WHERE p.repo_id = r.id AND p.state IN ('open', 'draft')) AS open_proposals \
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         FROM repositories r WHERE r.owner = ? AND r.name = ?",
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    )
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    .bind(owner)
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    .bind(name)
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    .fetch_optional(pool)
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    .await
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}
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/// Create a repository row. One under an organisation of two or more
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/// members requires one sealed approval to land a proposal (oxygenhub#64),
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/// since someone other than the author can then give it; others require none.
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pub async fn create(pool: &Pool, owner: &str, name: &str, description: &str, visibility: Visibility) -> sqlx::Result<RepoRow> {
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    let now = now_ms();
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    sqlx::query_as(
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        "INSERT INTO repositories (owner, name, description, visibility, created_ms, updated_ms, required_approvals) \
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         VALUES (?, ?, ?, ?, ?, ?, (SELECT COUNT(*) >= 2 FROM org_members m JOIN organisations o ON o.id = m.org_id WHERE o.name = ?)) RETURNING *",
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    )
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    .bind(owner)
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    .bind(name)
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    .bind(description)
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    .bind(visibility.as_str())
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    .bind(now)
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    .bind(now)
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    .bind(owner)
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    .fetch_one(pool)
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    .await
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}
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pub async fn delete(pool: &Pool, id: i64) -> sqlx::Result<()> {
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    sqlx::query("DELETE FROM repositories WHERE id = ?").bind(id).execute(pool).await?;
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    Ok(())
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}
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pub async fn set_description(pool: &Pool, id: i64, description: &str) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET description = ? WHERE id = ?").bind(description).bind(id).execute(pool).await?;
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    Ok(())
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}
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pub async fn set_default_bookmark(pool: &Pool, id: i64, bookmark: &str) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET default_bookmark = ? WHERE id = ?").bind(bookmark).bind(id).execute(pool).await?;
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    Ok(())
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}
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pub async fn set_visibility(pool: &Pool, id: i64, visibility: Visibility) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET visibility = ? WHERE id = ?").bind(visibility.as_str()).bind(id).execute(pool).await?;
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    Ok(())
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}
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/// Record a push's per-reference results and bump the repository's activity.
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pub async fn record_push(pool: &Pool, id: i64, pusher: Option<(i64, &str)>, results: &[PushOutcome]) -> sqlx::Result<()> {
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    let now = now_ms();
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    let mut tx = pool.begin().await?;
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    for r in results {
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        sqlx::query("INSERT INTO pushes (repo_id, at_ms, reference, ok, reason, old_state, new_state, heads, changes, account_id, pusher) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")
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            .bind(id)
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            .bind(now)
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            .bind(&r.reference)
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            .bind(r.ok)
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            .bind(&r.reason)
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            .bind(&r.old_state)
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            .bind(&r.new_state)
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            .bind(r.heads)
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            .bind(r.changes)
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            .bind(pusher.map(|p| p.0).filter(|id| *id > 0))
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            .bind(pusher.map(|p| p.1).unwrap_or(""))
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            .execute(&mut *tx)
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            .await?;
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    }
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    if results.iter().any(|r| r.ok) {
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        sqlx::query("UPDATE repositories SET updated_ms = ? WHERE id = ?").bind(now).bind(id).execute(&mut *tx).await?;
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    }
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    tx.commit().await
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}
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pub async fn pushes(pool: &Pool, id: i64, limit: i64) -> sqlx::Result<Vec<PushRow>> {
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    sqlx::query_as("SELECT id, at_ms, reference, ok, reason, old_state, new_state, heads, changes, pusher FROM pushes WHERE repo_id = ? ORDER BY at_ms DESC, id DESC LIMIT ?")
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        .bind(id)
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        .bind(limit)
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        .fetch_all(pool)
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        .await
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}
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/// Topics from user input: comma or space separated, lower-cased,
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/// letters, digits and dashes, at most 35 characters each and 20 in all.
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/// Returns the stored form or what is wrong.
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pub fn parse_topics(input: &str) -> Result<String, String> {
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    let mut out: Vec<String> = Vec::new();
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    for t in input.split([',', ' ', '\n', '\t']).map(|t| t.trim().to_ascii_lowercase()).filter(|t| !t.is_empty()) {
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        if t.len() > 35 || !t.chars().all(|c| c.is_ascii_alphanumeric() || c == '-') || t.starts_with('-') {
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            return Err(format!("\"{t}\" is not a topic: use letters, digits and dashes, up to 35 characters"));
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        }
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        if !out.contains(&t) {
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            out.push(t);
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        }
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    }
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    if out.len() > 20 {
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        return Err("At most 20 topics.".into());
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    }
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    Ok(out.join(" "))
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}
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pub async fn set_topics(pool: &Pool, id: i64, topics: &str) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET topics = ? WHERE id = ?").bind(topics).bind(id).execute(pool).await?;
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    Ok(())
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}
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/// Star or unstar; returns whether it is now starred.
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pub async fn toggle_star(pool: &Pool, account_id: i64, repo_id: i64) -> sqlx::Result<bool> {
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    let gone = sqlx::query("DELETE FROM stars WHERE account_id = ? AND repo_id = ?").bind(account_id).bind(repo_id).execute(pool).await?;
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    if gone.rows_affected() > 0 {
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        return Ok(false);
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    }
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    sqlx::query("INSERT INTO stars (account_id, repo_id, at_ms) VALUES (?, ?, ?)")
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        .bind(account_id)
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        .bind(repo_id)
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        .bind(now_ms())
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        .execute(pool)
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        .await?;
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    Ok(true)
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}
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pub async fn starred(pool: &Pool, account_id: i64, repo_id: i64) -> sqlx::Result<bool> {
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    let n: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM stars WHERE account_id = ? AND repo_id = ?")
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        .bind(account_id)
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        .bind(repo_id)
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        .fetch_one(pool)
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        .await?;
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    Ok(n > 0)
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}
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/// Stars and watchers of one repository.
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pub async fn counts(pool: &Pool, repo_id: i64) -> sqlx::Result<(i64, i64)> {
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    let stars: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM stars WHERE repo_id = ?").bind(repo_id).fetch_one(pool).await?;
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    let watchers: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM watches WHERE repo_id = ?").bind(repo_id).fetch_one(pool).await?;
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    Ok((stars, watchers))
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}
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/// Star counts of every starred repository.
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pub async fn star_counts(pool: &Pool) -> sqlx::Result<std::collections::HashMap<i64, i64>> {
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    let rows: Vec<(i64, i64)> = sqlx::query_as("SELECT repo_id, COUNT(*) FROM stars GROUP BY repo_id").fetch_all(pool).await?;
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    Ok(rows.into_iter().collect())
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}
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/// Record that `id` is a fork of `from`.
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pub async fn set_forked_from(pool: &Pool, id: i64, from: i64) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET forked_from = ? WHERE id = ?").bind(from).bind(id).execute(pool).await?;
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    Ok(())
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}
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/// The forks of `id`, newest activity first.
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pub async fn forks_of(pool: &Pool, id: i64) -> sqlx::Result<Vec<RepoRow>> {
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    sqlx::query_as("SELECT * FROM repositories WHERE forked_from = ? ORDER BY updated_ms DESC").bind(id).fetch_all(pool).await
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}
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pub async fn set_git_mirror(pool: &Pool, id: i64, on: bool) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET git_mirror = ? WHERE id = ?").bind(on).bind(id).execute(pool).await?;
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    Ok(())
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}
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pub async fn set_git_mirror_state(pool: &Pool, id: i64, state: &str) -> sqlx::Result<()> {
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    sqlx::query("UPDATE repositories SET git_mirror_state = ? WHERE id = ?").bind(state).bind(id).execute(pool).await?;
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    Ok(())
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}
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#[cfg(test)]
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mod topic_tests {
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    use super::parse_topics;
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    #[test]
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    fn topics_are_normalised_and_checked() {
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        assert_eq!(parse_topics("Rust, vcs  retro-computing,rust").unwrap(), "rust vcs retro-computing");
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        assert_eq!(parse_topics("").unwrap(), "");
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        assert!(parse_topics("c++").is_err());
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        assert!(parse_topics("-lead").is_err());
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        assert!(parse_topics(&"x".repeat(36)).is_err());
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        assert!(parse_topics(&(0..21).map(|i| format!("t{i}")).collect::<Vec<_>>().join(" ")).is_err());
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    }
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}