| 1 | //! The work service: issues, pull requests, comments and sessions. |
| 2 | //! |
| 3 | //! Other services reach it over `POST /rpc/<method>`; see |
| 4 | //! `g1t_contracts::work` for the methods and their arguments. It also |
| 5 | //! consumes its queue of events from the bus. |
| 6 | |
| 7 | mod authored; |
| 8 | mod capture; |
| 9 | mod checks; |
| 10 | mod guardrails; |
| 11 | mod lifecycle; |
| 12 | mod memory; |
| 13 | mod mentions; |
| 14 | mod mergeability; |
| 15 | mod plans; |
| 16 | mod messages; |
| 17 | mod queue; |
| 18 | mod reviews; |
| 19 | mod rows; |
| 20 | mod runs; |
| 21 | mod settings; |
| 22 | mod statuses; |
| 23 | |
| 24 | use g1t_contracts::events::{ |
| 25 | CommentCreated, Event, IssueEvent, NewEvent, Publish, PullEvent, SessionAppended, |
| 26 | }; |
| 27 | use g1t_contracts::identity::UsernameArgs; |
| 28 | use g1t_contracts::repos::{ |
| 29 | ForkArgs, GetArgs, HeadArgs, LandArgs, Landed, NeedsAgentReason, PullBranchUpdate, Repo, RepoPath, |
| 30 | UpdatePullBranchArgs, |
| 31 | }; |
| 32 | use g1t_contracts::time::rfc3339; |
| 33 | use g1t_contracts::work::*; |
| 34 | use futures_util::future::{try_join, try_join3, try_join_all}; |
| 35 | use g1t_contracts::{FailureCode, Outcome, User, Viewer, new_id}; |
| 36 | use g1t_kit::{args, now_ms, reply, rpc_method}; |
| 37 | use serde::Serialize; |
| 38 | use worker::wasm_bindgen::JsValue; |
| 39 | use worker::{ |
| 40 | Context, D1Database, Env, Fetcher, MessageBatch, MessageExt, Request, Response, Result, event, |
| 41 | }; |
| 42 | |
| 43 | use rows::{CommentRow, IssueRow, MovedRow, NumberRow, PullRow, SessionRow, Snapshot, ValueRow}; |
| 44 | |
| 45 | const SOURCE: &str = "work"; |
| 46 | const MAX_ENTRY_BATCH: usize = 200; |
| 47 | const MAX_ENTRY_CHARS: usize = 64_000; |
| 48 | const MAX_TITLE_CHARS: usize = 200; |
| 49 | const SESSION_PAGE: u32 = 500; |
| 50 | const LIST_PAGE: u32 = 100; |
| 51 | const MAX_ASSIGNEES: usize = 10; |
| 52 | const UNVERIFIED: &str = "Confirm your email address first. Check your inbox, or resend the link from the banner on g1t.sh."; |
| 53 | |
| 54 | const ISSUE_COLUMNS: &str = "issues.*, |
| 55 | (SELECT count(*) FROM pulls WHERE pulls.issue_id = issues.id) AS pull_count, |
| 56 | (SELECT agent FROM pulls |
| 57 | WHERE pulls.issue_id = issues.id AND pulls.status IN ('draft', 'open') |
| 58 | AND pulls.fork_repo_id IS NOT NULL |
| 59 | ORDER BY pulls.number DESC LIMIT 1) AS agent, |
| 60 | (SELECT count(*) FROM comments |
| 61 | WHERE comments.repo_id = issues.repo_id AND comments.number = issues.number |
| 62 | AND comments.kind = 'comment') AS comment_count"; |
| 63 | |
| 64 | fn no_issue<T>() -> Outcome<T> { |
| 65 | Outcome::fail(FailureCode::NotFound, "Issue not found.") |
| 66 | } |
| 67 | |
| 68 | fn no_pull<T>() -> Outcome<T> { |
| 69 | Outcome::fail(FailureCode::NotFound, "Pull request not found.") |
| 70 | } |
| 71 | |
| 72 | fn optional(value: &Option<String>) -> JsValue { |
| 73 | value.as_deref().map_or(JsValue::NULL, JsValue::from) |
| 74 | } |
| 75 | |
| 76 | fn optional_number(value: Option<u32>) -> JsValue { |
| 77 | value.map_or(JsValue::NULL, JsValue::from) |
| 78 | } |
| 79 | |
| 80 | /// The lowercase name a `State` is stored and sent as. |
| 81 | fn state_name(state: Option<State>) -> Option<&'static str> { |
| 82 | state.map(|state| match state { |
| 83 | State::Open => "open", |
| 84 | State::Closed => "closed", |
| 85 | }) |
| 86 | } |
| 87 | |
| 88 | /// A trimmed title, or why it cannot be used. |
| 89 | fn valid_title(title: &str) -> std::result::Result<&str, &'static str> { |
| 90 | let title = title.trim(); |
| 91 | if title.is_empty() { |
| 92 | Err("A title is required.") |
| 93 | } else if title.chars().count() > MAX_TITLE_CHARS { |
| 94 | Err("That title is too long.") |
| 95 | } else { |
| 96 | Ok(title) |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /// Unwraps an `Outcome`, returning its failure from the enclosing method. |
| 101 | macro_rules! check { |
| 102 | ($outcome:expr) => { |
| 103 | match $outcome { |
| 104 | Outcome::Ok(value) => value, |
| 105 | Outcome::Fail(failure) => return Ok(Outcome::Fail(failure)), |
| 106 | } |
| 107 | }; |
| 108 | } |
| 109 | |
| 110 | struct Work { |
| 111 | db: D1Database, |
| 112 | identity: Fetcher, |
| 113 | repos: Fetcher, |
| 114 | events: Fetcher, |
| 115 | /// GitHub Actions: runs a merge queue's `merge_group` workflows. |
| 116 | actions: Fetcher, |
| 117 | } |
| 118 | |
| 119 | impl Work { |
| 120 | async fn publish<T: Serialize>( |
| 121 | &self, |
| 122 | kind: &'static str, |
| 123 | repo_id: &str, |
| 124 | actor: &User, |
| 125 | data: T, |
| 126 | ) -> Result<()> { |
| 127 | self.publish_as(kind, repo_id, Some(actor.id.clone()), data) |
| 128 | .await |
| 129 | } |
| 130 | |
| 131 | /// A pull request's author as a viewer who can read its repository and |
| 132 | /// source. Stored authors carry no memberships, so a private repository |
| 133 | /// would otherwise look missing to them. |
| 134 | pub(crate) async fn author_viewer(&self, pull: &Pull) -> Result<Viewer> { |
| 135 | let path: Option<RepoPath> = g1t_kit::call( |
| 136 | &self.repos, |
| 137 | "path_by_id", |
| 138 | &g1t_contracts::repos::PathByIdArgs { id: pull.repo_id.clone() }, |
| 139 | ) |
| 140 | .await?; |
| 141 | let mut author = pull.author.clone(); |
| 142 | if let Some(path) = path |
| 143 | && !author.is_member(&path.namespace.to_lowercase()) |
| 144 | { |
| 145 | author.workspaces.push(g1t_contracts::Membership::member(path.namespace.to_lowercase())); |
| 146 | } |
| 147 | Ok(Some(author)) |
| 148 | } |
| 149 | |
| 150 | /// Publishes an event caused by `actor`, or by g1t itself. |
| 151 | async fn publish_as<T: Serialize>( |
| 152 | &self, |
| 153 | kind: &'static str, |
| 154 | repo_id: &str, |
| 155 | actor: Option<String>, |
| 156 | data: T, |
| 157 | ) -> Result<()> { |
| 158 | let event = NewEvent { |
| 159 | kind, |
| 160 | source: SOURCE, |
| 161 | repo_id: Some(repo_id.to_owned()), |
| 162 | actor, |
| 163 | data, |
| 164 | }; |
| 165 | g1t_kit::call( |
| 166 | &self.events, |
| 167 | "publish", |
| 168 | &Publish { |
| 169 | events: vec![event], |
| 170 | }, |
| 171 | ) |
| 172 | .await |
| 173 | } |
| 174 | |
| 175 | /// The repository, if the viewer may see it. Whether they may is |
| 176 | /// decided by the repos service. |
| 177 | async fn repo(&self, path: &RepoPath, viewer: &Viewer) -> Result<Outcome<Repo>> { |
| 178 | g1t_kit::call( |
| 179 | &self.repos, |
| 180 | "get", |
| 181 | &GetArgs { |
| 182 | path: path.clone(), |
| 183 | viewer: viewer.clone(), |
| 184 | }, |
| 185 | ) |
| 186 | .await |
| 187 | } |
| 188 | |
| 189 | /// The next number in the repository's sequence. Taking it is one |
| 190 | /// statement, so concurrent opens cannot be given the same number. |
| 191 | async fn next_number(&self, repo_id: &str) -> Result<u32> { |
| 192 | let row = self |
| 193 | .db |
| 194 | .prepare( |
| 195 | "INSERT INTO counters (repo_id, last) VALUES (?, 1) |
| 196 | ON CONFLICT (repo_id) DO UPDATE SET last = last + 1 |
| 197 | RETURNING last AS n", |
| 198 | ) |
| 199 | .bind(&[repo_id.into()])? |
| 200 | .first::<NumberRow>(None) |
| 201 | .await?; |
| 202 | row.map(|row| row.n) |
| 203 | .ok_or_else(|| worker::Error::RustError("no number was assigned".into())) |
| 204 | } |
| 205 | |
| 206 | async fn issue(&self, repo_id: &str, number: u32) -> Result<Option<Issue>> { |
| 207 | Ok(self |
| 208 | .db |
| 209 | .prepare(format!( |
| 210 | "SELECT {ISSUE_COLUMNS} FROM issues WHERE repo_id = ? AND number = ?" |
| 211 | )) |
| 212 | .bind(&[repo_id.into(), number.into()])? |
| 213 | .first::<IssueRow>(None) |
| 214 | .await? |
| 215 | .map(Issue::from)) |
| 216 | } |
| 217 | |
| 218 | async fn pull(&self, repo_id: &str, number: u32) -> Result<Option<Pull>> { |
| 219 | Ok(self |
| 220 | .db |
| 221 | .prepare("SELECT * FROM pulls WHERE repo_id = ? AND number = ?") |
| 222 | .bind(&[repo_id.into(), number.into()])? |
| 223 | .first::<PullRow>(None) |
| 224 | .await? |
| 225 | .map(Pull::from)) |
| 226 | } |
| 227 | |
| 228 | async fn comments(&self, repo_id: &str, number: u32) -> Result<Vec<Comment>> { |
| 229 | let rows = self |
| 230 | .db |
| 231 | .prepare( |
| 232 | "SELECT * FROM comments WHERE repo_id = ? AND number = ? ORDER BY id LIMIT 500", |
| 233 | ) |
| 234 | .bind(&[repo_id.into(), number.into()])? |
| 235 | .all() |
| 236 | .await? |
| 237 | .results::<CommentRow>()?; |
| 238 | Ok(rows.into_iter().map(Comment::from).collect()) |
| 239 | } |
| 240 | |
| 241 | /// The repository and one of its issues, as seen by `viewer`. |
| 242 | async fn issue_at( |
| 243 | &self, |
| 244 | path: &RepoPath, |
| 245 | number: u32, |
| 246 | viewer: &Viewer, |
| 247 | ) -> Result<Outcome<(Repo, Issue)>> { |
| 248 | let Outcome::Ok(repo) = self.repo(path, viewer).await? else { |
| 249 | return Ok(no_issue()); |
| 250 | }; |
| 251 | Ok(match self.issue(&repo.id, number).await? { |
| 252 | Some(issue) => Outcome::Ok((repo, issue)), |
| 253 | None => no_issue(), |
| 254 | }) |
| 255 | } |
| 256 | |
| 257 | /// The repository and one of its pull requests, as seen by `viewer`. |
| 258 | async fn pull_at( |
| 259 | &self, |
| 260 | path: &RepoPath, |
| 261 | number: u32, |
| 262 | viewer: &Viewer, |
| 263 | ) -> Result<Outcome<(Repo, Pull)>> { |
| 264 | let Outcome::Ok(repo) = self.repo(path, viewer).await? else { |
| 265 | return Ok(no_pull()); |
| 266 | }; |
| 267 | Ok(match self.pull(&repo.id, number).await? { |
| 268 | Some(pull) => Outcome::Ok((repo, pull)), |
| 269 | None => no_pull(), |
| 270 | }) |
| 271 | } |
| 272 | |
| 273 | /// Records something that happened to an issue or a pull request, so |
| 274 | /// that it shows in the conversation where it happened. `text` is what |
| 275 | /// `author` did, as the rest of a sentence starting with their name. |
| 276 | pub(crate) async fn note( |
| 277 | &self, |
| 278 | repo_id: &str, |
| 279 | number: u32, |
| 280 | author: (&str, &str), |
| 281 | text: &str, |
| 282 | ) -> Result<()> { |
| 283 | let now = now_ms(); |
| 284 | self.db |
| 285 | .prepare( |
| 286 | "INSERT INTO comments |
| 287 | (id, repo_id, number, author_id, author_name, body, kind, created_at) |
| 288 | VALUES (?, ?, ?, ?, ?, ?, 'event', ?)", |
| 289 | ) |
| 290 | .bind(&[ |
| 291 | new_id("cmt", now).into(), |
| 292 | repo_id.into(), |
| 293 | number.into(), |
| 294 | author.0.into(), |
| 295 | author.1.into(), |
| 296 | text.into(), |
| 297 | rfc3339(now).into(), |
| 298 | ])? |
| 299 | .run() |
| 300 | .await?; |
| 301 | Ok(()) |
| 302 | } |
| 303 | |
| 304 | /// Notes who was added to and removed from a list of people, such as |
| 305 | /// "assigned ana" or "requested a review from g1t-agent". |
| 306 | async fn note_changes( |
| 307 | &self, |
| 308 | repo_id: &str, |
| 309 | number: u32, |
| 310 | actor: &User, |
| 311 | before: &[String], |
| 312 | after: &[String], |
| 313 | (added, removed): (&str, &str), |
| 314 | ) -> Result<()> { |
| 315 | let joined = |names: Vec<&String>| { |
| 316 | names |
| 317 | .into_iter() |
| 318 | .map(String::as_str) |
| 319 | .collect::<Vec<_>>() |
| 320 | .join(", ") |
| 321 | }; |
| 322 | let new: Vec<&String> = after.iter().filter(|name| !before.contains(name)).collect(); |
| 323 | let gone: Vec<&String> = before.iter().filter(|name| !after.contains(name)).collect(); |
| 324 | let who = (actor.id.as_str(), actor.username.as_str()); |
| 325 | if !new.is_empty() { |
| 326 | // Taking something on oneself reads better said that way. |
| 327 | let text = if added == "assigned" && new == [&actor.username] { |
| 328 | "self-assigned this".to_owned() |
| 329 | } else { |
| 330 | format!("{added} {}", joined(new)) |
| 331 | }; |
| 332 | self.note(repo_id, number, who, &text).await?; |
| 333 | } |
| 334 | if !gone.is_empty() { |
| 335 | self.note(repo_id, number, who, &format!("{removed} {}", joined(gone))) |
| 336 | .await?; |
| 337 | } |
| 338 | Ok(()) |
| 339 | } |
| 340 | |
| 341 | fn issue_event(issue: &Issue) -> IssueEvent { |
| 342 | IssueEvent { |
| 343 | issue_id: issue.id.clone(), |
| 344 | repo_id: issue.repo_id.clone(), |
| 345 | number: issue.number, |
| 346 | ..IssueEvent::default() |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | /// The commit a pull request's change is at in git right now: its |
| 351 | /// fork's default branch, or its branch. |
| 352 | async fn live_head(&self, pull: &Pull) -> Result<Option<String>> { |
| 353 | g1t_kit::call( |
| 354 | &self.repos, |
| 355 | "head", |
| 356 | &HeadArgs { |
| 357 | repo_id: pull.fork_repo_id.clone().unwrap_or_else(|| pull.repo_id.clone()), |
| 358 | branch: pull.branch.clone().unwrap_or_default(), |
| 359 | }, |
| 360 | ) |
| 361 | .await |
| 362 | } |
| 363 | |
| 364 | fn pull_event(pull: &Pull) -> PullEvent { |
| 365 | PullEvent { |
| 366 | pull_id: pull.id.clone(), |
| 367 | repo_id: pull.repo_id.clone(), |
| 368 | number: pull.number, |
| 369 | issue: pull.issue, |
| 370 | ..PullEvent::default() |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | // --- Issues ------------------------------------------------------------ |
| 375 | |
| 376 | async fn open_issue(&self, a: OpenIssueArgs) -> Result<Outcome<Issue>> { |
| 377 | if !a.actor.verified { |
| 378 | return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED)); |
| 379 | } |
| 380 | let title = match valid_title(&a.title) { |
| 381 | Ok(title) => title, |
| 382 | Err(message) => return Ok(Outcome::fail(FailureCode::Invalid, message)), |
| 383 | }; |
| 384 | let Some(labels) = normalize_labels(&a.labels) else { |
| 385 | return Ok(Outcome::fail( |
| 386 | FailureCode::Invalid, |
| 387 | "An issue can have up to 10 labels of up to 40 characters each.", |
| 388 | )); |
| 389 | }; |
| 390 | let repo = check!(self.repo(&a.repo, &Some(a.actor.clone())).await?); |
| 391 | let checks: Vec<&str> = a |
| 392 | .checks |
| 393 | .iter() |
| 394 | .map(|check| check.trim()) |
| 395 | .filter(|check| !check.is_empty()) |
| 396 | .collect(); |
| 397 | |
| 398 | let now = now_ms(); |
| 399 | let id = new_id("iss", now); |
| 400 | let number = self.next_number(&repo.id).await?; |
| 401 | let timestamp = rfc3339(now); |
| 402 | self.db |
| 403 | .prepare( |
| 404 | "INSERT INTO issues |
| 405 | (id, repo_id, number, title, body, labels, checks, author_id, author_name, |
| 406 | created_at, updated_at) |
| 407 | VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", |
| 408 | ) |
| 409 | .bind(&[ |
| 410 | id.as_str().into(), |
| 411 | repo.id.as_str().into(), |
| 412 | number.into(), |
| 413 | title.into(), |
| 414 | a.body.trim().into(), |
| 415 | serde_json::to_string(&labels)?.into(), |
| 416 | serde_json::to_string(&checks)?.into(), |
| 417 | a.actor.id.as_str().into(), |
| 418 | a.actor.username.as_str().into(), |
| 419 | timestamp.as_str().into(), |
| 420 | timestamp.as_str().into(), |
| 421 | ])? |
| 422 | .run() |
| 423 | .await?; |
| 424 | let Some(issue) = self.issue(&repo.id, number).await? else { |
| 425 | return Ok(no_issue()); |
| 426 | }; |
| 427 | self.apply_label_rule(&a.actor, &issue, &[]).await?; |
| 428 | self.publish( |
| 429 | "issue.opened", |
| 430 | &repo.id, |
| 431 | &a.actor, |
| 432 | IssueEvent { |
| 433 | title: Some(issue.title.clone()), |
| 434 | ..Self::issue_event(&issue) |
| 435 | }, |
| 436 | ) |
| 437 | .await?; |
| 438 | Ok(Outcome::Ok(issue)) |
| 439 | } |
| 440 | |
| 441 | async fn list_issues(&self, a: ListIssuesArgs) -> Result<Outcome<Vec<Issue>>> { |
| 442 | let repo = check!(self.repo(&a.repo, &a.viewer).await?); |
| 443 | let state = state_name(a.state).map_or(JsValue::NULL, JsValue::from); |
| 444 | let label = a |
| 445 | .label |
| 446 | .map(|label| label.trim().to_lowercase()) |
| 447 | .filter(|label| !label.is_empty()); |
| 448 | let rows = self |
| 449 | .db |
| 450 | .prepare(format!( |
| 451 | "SELECT {ISSUE_COLUMNS} FROM issues |
| 452 | WHERE repo_id = ? AND (? IS NULL OR state = ?) |
| 453 | AND (? IS NULL OR EXISTS |
| 454 | (SELECT 1 FROM json_each(issues.labels) WHERE json_each.value = ?)) |
| 455 | ORDER BY number DESC LIMIT ?" |
| 456 | )) |
| 457 | .bind(&[ |
| 458 | repo.id.into(), |
| 459 | state.clone(), |
| 460 | state, |
| 461 | optional(&label), |
| 462 | optional(&label), |
| 463 | LIST_PAGE.into(), |
| 464 | ])? |
| 465 | .all() |
| 466 | .await? |
| 467 | .results::<IssueRow>()?; |
| 468 | Ok(Outcome::Ok(rows.into_iter().map(Issue::from).collect())) |
| 469 | } |
| 470 | |
| 471 | async fn get_issue(&self, a: ViewArgs) -> Result<Outcome<IssueDetail>> { |
| 472 | let (repo, issue) = check!(self.issue_at(&a.repo, a.number, &a.viewer).await?); |
| 473 | let pulls = self |
| 474 | .db |
| 475 | .prepare("SELECT * FROM pulls WHERE issue_id = ? ORDER BY number") |
| 476 | .bind(&[issue.id.as_str().into()])? |
| 477 | .all() |
| 478 | .await? |
| 479 | .results::<PullRow>()?; |
| 480 | Ok(Outcome::Ok(IssueDetail { |
| 481 | comments: self.comments(&repo.id, issue.number).await?, |
| 482 | pulls: pulls.into_iter().map(Pull::from).collect(), |
| 483 | issue, |
| 484 | })) |
| 485 | } |
| 486 | |
| 487 | /// The issue, if `actor` wrote it or belongs to the repository's workspace. |
| 488 | async fn manageable_issue( |
| 489 | &self, |
| 490 | actor: &User, |
| 491 | path: &RepoPath, |
| 492 | number: u32, |
| 493 | ) -> Result<Outcome<Issue>> { |
| 494 | let (repo, issue) = check!(self.issue_at(path, number, &Some(actor.clone())).await?); |
| 495 | if issue.author.id != actor.id && !actor.is_member(&repo.namespace) { |
| 496 | return Ok(Outcome::fail( |
| 497 | FailureCode::Forbidden, |
| 498 | "Only the author or a member of the workspace can change an issue.", |
| 499 | )); |
| 500 | } |
| 501 | Ok(Outcome::Ok(issue)) |
| 502 | } |
| 503 | |
| 504 | async fn update_issue(&self, a: UpdateIssueArgs) -> Result<Outcome<Issue>> { |
| 505 | let issue = check!(self.manageable_issue(&a.actor, &a.repo, a.number).await?); |
| 506 | let title = match a.title.as_deref().map(valid_title) { |
| 507 | Some(Err(message)) => return Ok(Outcome::fail(FailureCode::Invalid, message)), |
| 508 | Some(Ok(title)) => Some(title.to_owned()), |
| 509 | None => None, |
| 510 | }; |
| 511 | let labels = match a.labels.as_deref().map(normalize_labels) { |
| 512 | Some(None) => { |
| 513 | return Ok(Outcome::fail( |
| 514 | FailureCode::Invalid, |
| 515 | "An issue can have up to 10 labels of up to 40 characters each.", |
| 516 | )); |
| 517 | } |
| 518 | Some(Some(labels)) => Some(serde_json::to_string(&labels)?), |
| 519 | None => None, |
| 520 | }; |
| 521 | let assignees = match a.assignees { |
| 522 | Some(names) => Some(check!(self.valid_assignees(names).await?)), |
| 523 | None => None, |
| 524 | }; |
| 525 | let assigned = assignees.as_ref().map(serde_json::to_string).transpose()?; |
| 526 | let body = a.body.map(|body| body.trim().to_owned()); |
| 527 | self.db |
| 528 | .prepare( |
| 529 | "UPDATE issues |
| 530 | SET title = COALESCE(?, title), body = COALESCE(?, body), |
| 531 | labels = COALESCE(?, labels), assignees = COALESCE(?, assignees), |
| 532 | updated_at = ? |
| 533 | WHERE id = ?", |
| 534 | ) |
| 535 | .bind(&[ |
| 536 | optional(&title), |
| 537 | optional(&body), |
| 538 | optional(&labels), |
| 539 | optional(&assigned), |
| 540 | rfc3339(now_ms()).into(), |
| 541 | issue.id.as_str().into(), |
| 542 | ])? |
| 543 | .run() |
| 544 | .await?; |
| 545 | let before = issue.assignees.clone(); |
| 546 | let labels_before = issue.labels.clone(); |
| 547 | let Some(issue) = self.issue(&issue.repo_id, issue.number).await? else { |
| 548 | return Ok(no_issue()); |
| 549 | }; |
| 550 | self.apply_label_rule(&a.actor, &issue, &labels_before).await?; |
| 551 | self.publish( |
| 552 | "issue.updated", |
| 553 | &issue.repo_id, |
| 554 | &a.actor, |
| 555 | Self::issue_event(&issue), |
| 556 | ) |
| 557 | .await?; |
| 558 | if let Some(assignees) = assignees { |
| 559 | self.note_changes( |
| 560 | &issue.repo_id, |
| 561 | issue.number, |
| 562 | &a.actor, |
| 563 | &before, |
| 564 | &assignees, |
| 565 | ("assigned", "unassigned"), |
| 566 | ) |
| 567 | .await?; |
| 568 | self.publish( |
| 569 | "issue.assigned", |
| 570 | &issue.repo_id, |
| 571 | &a.actor, |
| 572 | IssueEvent { |
| 573 | assignees: Some(assignees), |
| 574 | ..Self::issue_event(&issue) |
| 575 | }, |
| 576 | ) |
| 577 | .await?; |
| 578 | } |
| 579 | Ok(Outcome::Ok(issue)) |
| 580 | } |
| 581 | |
| 582 | /// Usernames as given, tidied, if each names an account. |
| 583 | async fn valid_assignees(&self, names: Vec<String>) -> Result<Outcome<Vec<String>>> { |
| 584 | let mut assignees: Vec<String> = Vec::new(); |
| 585 | for name in names { |
| 586 | let name = name.trim().trim_start_matches('@').to_lowercase(); |
| 587 | if name.is_empty() || assignees.contains(&name) { |
| 588 | continue; |
| 589 | } |
| 590 | if assignees.len() == MAX_ASSIGNEES { |
| 591 | return Ok(Outcome::fail( |
| 592 | FailureCode::Invalid, |
| 593 | format!("An issue can be assigned to at most {MAX_ASSIGNEES} people."), |
| 594 | )); |
| 595 | } |
| 596 | let account: Viewer = g1t_kit::call( |
| 597 | &self.identity, |
| 598 | "user_by_username", |
| 599 | &UsernameArgs { |
| 600 | username: name.clone(), |
| 601 | }, |
| 602 | ) |
| 603 | .await?; |
| 604 | if account.is_none() { |
| 605 | return Ok(Outcome::fail( |
| 606 | FailureCode::Invalid, |
| 607 | format!("There is no account named {name}."), |
| 608 | )); |
| 609 | } |
| 610 | assignees.push(name); |
| 611 | } |
| 612 | Ok(Outcome::Ok(assignees)) |
| 613 | } |
| 614 | |
| 615 | /// Open issues assigned to the viewer, in every repository. Callers |
| 616 | /// show only those in repositories the viewer can still see. |
| 617 | async fn list_assigned_issues(&self, a: ViewerArgs) -> Result<Vec<Issue>> { |
| 618 | let Some(viewer) = a.viewer else { |
| 619 | return Ok(Vec::new()); |
| 620 | }; |
| 621 | let rows = self |
| 622 | .db |
| 623 | .prepare(format!( |
| 624 | "SELECT {ISSUE_COLUMNS} FROM issues |
| 625 | WHERE state = 'open' AND EXISTS ( |
| 626 | SELECT 1 FROM json_each(issues.assignees) WHERE json_each.value = ?) |
| 627 | ORDER BY updated_at DESC LIMIT 50" |
| 628 | )) |
| 629 | .bind(&[viewer.username.into()])? |
| 630 | .all() |
| 631 | .await? |
| 632 | .results::<IssueRow>()?; |
| 633 | Ok(rows.into_iter().map(Issue::from).collect()) |
| 634 | } |
| 635 | |
| 636 | async fn close_issue(&self, a: IssueActionArgs) -> Result<Outcome<Issue>> { |
| 637 | let mut issue = check!(self.manageable_issue(&a.actor, &a.repo, a.number).await?); |
| 638 | if issue.state == State::Closed { |
| 639 | return Ok(Outcome::fail( |
| 640 | FailureCode::Conflict, |
| 641 | "This issue is already closed.", |
| 642 | )); |
| 643 | } |
| 644 | let reason = a.reason.unwrap_or(IssueReason::Completed); |
| 645 | let now = rfc3339(now_ms()); |
| 646 | self.db |
| 647 | .prepare( |
| 648 | "UPDATE issues SET state = 'closed', reason = ?, closed_at = ?, updated_at = ? |
| 649 | WHERE id = ?", |
| 650 | ) |
| 651 | .bind(&[ |
| 652 | reason.as_str().into(), |
| 653 | now.as_str().into(), |
| 654 | now.as_str().into(), |
| 655 | issue.id.as_str().into(), |
| 656 | ])? |
| 657 | .run() |
| 658 | .await?; |
| 659 | self.publish( |
| 660 | "issue.closed", |
| 661 | &issue.repo_id, |
| 662 | &a.actor, |
| 663 | IssueEvent { |
| 664 | reason: Some(reason.as_str()), |
| 665 | ..Self::issue_event(&issue) |
| 666 | }, |
| 667 | ) |
| 668 | .await?; |
| 669 | self.note( |
| 670 | &issue.repo_id, |
| 671 | issue.number, |
| 672 | (&a.actor.id, &a.actor.username), |
| 673 | match reason { |
| 674 | IssueReason::Completed => "closed this as completed", |
| 675 | IssueReason::NotPlanned => "closed this as not planned", |
| 676 | }, |
| 677 | ) |
| 678 | .await?; |
| 679 | issue.state = State::Closed; |
| 680 | issue.reason = Some(reason); |
| 681 | issue.closed_at = Some(now.clone()); |
| 682 | issue.updated_at = now; |
| 683 | Ok(Outcome::Ok(issue)) |
| 684 | } |
| 685 | |
| 686 | async fn reopen_issue(&self, a: IssueActionArgs) -> Result<Outcome<Issue>> { |
| 687 | let mut issue = check!(self.manageable_issue(&a.actor, &a.repo, a.number).await?); |
| 688 | if issue.state == State::Open { |
| 689 | return Ok(Outcome::fail( |
| 690 | FailureCode::Conflict, |
| 691 | "This issue is already open.", |
| 692 | )); |
| 693 | } |
| 694 | let now = rfc3339(now_ms()); |
| 695 | self.db |
| 696 | .prepare( |
| 697 | "UPDATE issues |
| 698 | SET state = 'open', reason = NULL, resolved_by = NULL, closed_at = NULL, |
| 699 | updated_at = ? |
| 700 | WHERE id = ?", |
| 701 | ) |
| 702 | .bind(&[now.as_str().into(), issue.id.as_str().into()])? |
| 703 | .run() |
| 704 | .await?; |
| 705 | self.publish( |
| 706 | "issue.reopened", |
| 707 | &issue.repo_id, |
| 708 | &a.actor, |
| 709 | Self::issue_event(&issue), |
| 710 | ) |
| 711 | .await?; |
| 712 | self.note( |
| 713 | &issue.repo_id, |
| 714 | issue.number, |
| 715 | (&a.actor.id, &a.actor.username), |
| 716 | "reopened this", |
| 717 | ) |
| 718 | .await?; |
| 719 | issue.state = State::Open; |
| 720 | issue.reason = None; |
| 721 | issue.resolved_by = None; |
| 722 | issue.closed_at = None; |
| 723 | issue.updated_at = now; |
| 724 | Ok(Outcome::Ok(issue)) |
| 725 | } |
| 726 | |
| 727 | /// The default labels, then every other label in use on the repository. |
| 728 | async fn list_labels(&self, a: ViewArgs) -> Result<Outcome<Vec<String>>> { |
| 729 | let repo = check!(self.repo(&a.repo, &a.viewer).await?); |
| 730 | let used = self |
| 731 | .db |
| 732 | .prepare( |
| 733 | "SELECT DISTINCT json_each.value AS value |
| 734 | FROM issues, json_each(issues.labels) |
| 735 | WHERE issues.repo_id = ? ORDER BY 1 LIMIT 200", |
| 736 | ) |
| 737 | .bind(&[repo.id.into()])? |
| 738 | .all() |
| 739 | .await? |
| 740 | .results::<ValueRow>()?; |
| 741 | let mut labels: Vec<String> = DEFAULT_LABELS.iter().map(|label| (*label).into()).collect(); |
| 742 | for row in used { |
| 743 | if !labels.contains(&row.value) { |
| 744 | labels.push(row.value); |
| 745 | } |
| 746 | } |
| 747 | Ok(Outcome::Ok(labels)) |
| 748 | } |
| 749 | |
| 750 | async fn counts(&self, a: ViewArgs) -> Result<Outcome<Counts>> { |
| 751 | let repo = check!(self.repo(&a.repo, &a.viewer).await?); |
| 752 | let counts = self |
| 753 | .db |
| 754 | .prepare( |
| 755 | "SELECT |
| 756 | (SELECT count(*) FROM issues WHERE repo_id = ? AND state = 'open') AS issues, |
| 757 | (SELECT count(*) FROM pulls |
| 758 | WHERE repo_id = ? AND status IN ('draft', 'open')) AS pulls", |
| 759 | ) |
| 760 | .bind(&[repo.id.as_str().into(), repo.id.as_str().into()])? |
| 761 | .first::<Counts>(None) |
| 762 | .await?; |
| 763 | Ok(Outcome::Ok(counts.unwrap_or(Counts { |
| 764 | issues: 0, |
| 765 | pulls: 0, |
| 766 | }))) |
| 767 | } |
| 768 | |
| 769 | // --- Comments ---------------------------------------------------------- |
| 770 | |
| 771 | async fn add_comment(&self, a: AddCommentArgs) -> Result<Outcome<Comment>> { |
| 772 | if !a.actor.verified { |
| 773 | return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED)); |
| 774 | } |
| 775 | let body = a.body.trim(); |
| 776 | // An approval speaks for itself; anything else has to say something. |
| 777 | if body.is_empty() && a.verdict != Some(Verdict::Approve) { |
| 778 | return Ok(Outcome::fail( |
| 779 | FailureCode::Invalid, |
| 780 | "A comment cannot be empty.", |
| 781 | )); |
| 782 | } |
| 783 | let path = a |
| 784 | .path |
| 785 | .as_deref() |
| 786 | .map(str::trim) |
| 787 | .filter(|path| !path.is_empty()); |
| 788 | let line = a.line.filter(|line| *line > 0 && path.is_some()); |
| 789 | if body.chars().count() > MAX_ENTRY_CHARS { |
| 790 | return Ok(Outcome::fail( |
| 791 | FailureCode::Invalid, |
| 792 | "That comment is too long.", |
| 793 | )); |
| 794 | } |
| 795 | let repo = check!(self.repo(&a.repo, &Some(a.actor.clone())).await?); |
| 796 | // The number names an issue or a pull request, never both. |
| 797 | let mut pull_id = None; |
| 798 | let table = if self.issue(&repo.id, a.number).await?.is_some() { |
| 799 | if path.is_some() || a.verdict.is_some() { |
| 800 | return Ok(Outcome::fail( |
| 801 | FailureCode::Invalid, |
| 802 | "Only a pull request can be reviewed or commented on by line.", |
| 803 | )); |
| 804 | } |
| 805 | "issues" |
| 806 | } else if let Some(pull) = self.pull(&repo.id, a.number).await? { |
| 807 | if a.verdict.is_some() && pull.author.id == a.actor.id { |
| 808 | return Ok(Outcome::fail( |
| 809 | FailureCode::Forbidden, |
| 810 | "You cannot approve or request changes on your own pull request.", |
| 811 | )); |
| 812 | } |
| 813 | pull_id = Some(pull.id.clone()); |
| 814 | "pulls" |
| 815 | } else { |
| 816 | return Ok(Outcome::fail( |
| 817 | FailureCode::NotFound, |
| 818 | "No issue or pull request has that number.", |
| 819 | )); |
| 820 | }; |
| 821 | |
| 822 | let now = now_ms(); |
| 823 | let comment = Comment { |
| 824 | kind: CommentKind::Comment, |
| 825 | id: new_id("cmt", now), |
| 826 | author: a.actor.clone(), |
| 827 | body: body.to_owned(), |
| 828 | path: path.map(str::to_owned), |
| 829 | line, |
| 830 | verdict: a.verdict, |
| 831 | created_at: rfc3339(now), |
| 832 | }; |
| 833 | self.db |
| 834 | .batch(vec![ |
| 835 | self.db |
| 836 | .prepare( |
| 837 | "INSERT INTO comments |
| 838 | (id, repo_id, number, author_id, author_name, body, path, line, |
| 839 | verdict, created_at) |
| 840 | VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", |
| 841 | ) |
| 842 | .bind(&[ |
| 843 | comment.id.as_str().into(), |
| 844 | repo.id.as_str().into(), |
| 845 | a.number.into(), |
| 846 | a.actor.id.as_str().into(), |
| 847 | a.actor.username.as_str().into(), |
| 848 | body.into(), |
| 849 | optional(&comment.path), |
| 850 | optional_number(line), |
| 851 | a.verdict |
| 852 | .map_or(JsValue::NULL, |verdict| verdict.as_str().into()), |
| 853 | comment.created_at.as_str().into(), |
| 854 | ])?, |
| 855 | self.db |
| 856 | .prepare(format!( |
| 857 | "UPDATE {table} SET updated_at = ? WHERE repo_id = ? AND number = ?" |
| 858 | )) |
| 859 | .bind(&[ |
| 860 | comment.created_at.as_str().into(), |
| 861 | repo.id.as_str().into(), |
| 862 | a.number.into(), |
| 863 | ])?, |
| 864 | ]) |
| 865 | .await?; |
| 866 | self.note_mention(&a.actor, &repo, a.number, &comment, pull_id.as_deref()).await?; |
| 867 | self.publish( |
| 868 | "comment.created", |
| 869 | &repo.id, |
| 870 | &a.actor, |
| 871 | CommentCreated { |
| 872 | comment_id: comment.id.clone(), |
| 873 | repo_id: repo.id.clone(), |
| 874 | number: a.number, |
| 875 | pull_id, |
| 876 | verdict: a.verdict, |
| 877 | }, |
| 878 | ) |
| 879 | .await?; |
| 880 | Ok(Outcome::Ok(comment)) |
| 881 | } |
| 882 | |
| 883 | // --- Pull requests ----------------------------------------------------- |
| 884 | |
| 885 | async fn open_pull(&self, a: OpenPullArgs) -> Result<Outcome<Pull>> { |
| 886 | if !a.actor.verified { |
| 887 | return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED)); |
| 888 | } |
| 889 | let repo = check!(self.repo(&a.repo, &Some(a.actor.clone())).await?); |
| 890 | let issue = match a.issue { |
| 891 | Some(number) => match self.issue(&repo.id, number).await? { |
| 892 | Some(issue) if issue.state == State::Open => Some(issue), |
| 893 | Some(_) => { |
| 894 | return Ok(Outcome::fail( |
| 895 | FailureCode::Conflict, |
| 896 | "This issue is closed.", |
| 897 | )); |
| 898 | } |
| 899 | None => return Ok(no_issue()), |
| 900 | }, |
| 901 | None => None, |
| 902 | }; |
| 903 | // A pull request for an issue takes the issue's title unless given one. |
| 904 | let title = match (a.title.trim(), &issue) { |
| 905 | ("", Some(issue)) => issue.title.clone(), |
| 906 | (title, _) => match valid_title(title) { |
| 907 | Ok(title) => title.to_owned(), |
| 908 | Err(message) => return Ok(Outcome::fail(FailureCode::Invalid, message)), |
| 909 | }, |
| 910 | }; |
| 911 | let agent = match a.agent.trim() { |
| 912 | "" => "agent", |
| 913 | agent => agent, |
| 914 | }; |
| 915 | let runtime = match a.runtime { |
| 916 | Runtime::Hosted => "hosted", |
| 917 | Runtime::External => "external", |
| 918 | }; |
| 919 | |
| 920 | let now = now_ms(); |
| 921 | let id = new_id("pr", now); |
| 922 | let branch = a |
| 923 | .branch |
| 924 | .as_deref() |
| 925 | .map(str::trim) |
| 926 | .filter(|branch| !branch.is_empty()); |
| 927 | // The change is on a branch already pushed to the repository, or |
| 928 | // will be made in a fork created for this pull request. |
| 929 | let (fork, head) = match branch { |
| 930 | Some(branch) => { |
| 931 | if branch == repo.default_branch { |
| 932 | return Ok(Outcome::fail( |
| 933 | FailureCode::Invalid, |
| 934 | format!("Choose a branch other than {branch}."), |
| 935 | )); |
| 936 | } |
| 937 | let head: Option<String> = g1t_kit::call( |
| 938 | &self.repos, |
| 939 | "head", |
| 940 | &HeadArgs { |
| 941 | repo_id: repo.id.clone(), |
| 942 | branch: branch.to_owned(), |
| 943 | }, |
| 944 | ) |
| 945 | .await?; |
| 946 | let Some(head) = head else { |
| 947 | return Ok(Outcome::fail( |
| 948 | FailureCode::NotFound, |
| 949 | format!("There is no branch named {branch}. Push it first."), |
| 950 | )); |
| 951 | }; |
| 952 | let existing = self |
| 953 | .db |
| 954 | .prepare( |
| 955 | "SELECT number AS n FROM pulls |
| 956 | WHERE repo_id = ? AND source_branch = ? AND status IN ('draft', 'open')", |
| 957 | ) |
| 958 | .bind(&[repo.id.as_str().into(), branch.into()])? |
| 959 | .first::<NumberRow>(None) |
| 960 | .await?; |
| 961 | if let Some(existing) = existing { |
| 962 | return Ok(Outcome::fail( |
| 963 | FailureCode::Conflict, |
| 964 | format!("Pull request #{} is already open for {branch}.", existing.n), |
| 965 | )); |
| 966 | } |
| 967 | (None, Some(head)) |
| 968 | } |
| 969 | None => { |
| 970 | let fork: Outcome<Repo> = g1t_kit::call( |
| 971 | &self.repos, |
| 972 | "fork_for_pull", |
| 973 | &ForkArgs { |
| 974 | source_id: repo.id.clone(), |
| 975 | pull_id: id.clone(), |
| 976 | actor: a.actor.clone(), |
| 977 | }, |
| 978 | ) |
| 979 | .await?; |
| 980 | (Some(check!(fork)), None) |
| 981 | } |
| 982 | }; |
| 983 | // A branch already holds the work, so its pull request is ready for |
| 984 | // review from the start; one with a fork starts as a draft. |
| 985 | let status = if branch.is_some() { "open" } else { "draft" }; |
| 986 | let body = Some(a.body.trim().to_owned()).filter(|body| !body.is_empty()); |
| 987 | |
| 988 | let number = self.next_number(&repo.id).await?; |
| 989 | let timestamp = rfc3339(now); |
| 990 | self.db |
| 991 | .prepare( |
| 992 | "INSERT INTO pulls |
| 993 | (id, repo_id, number, issue_id, issue_number, title, body, agent, runtime, |
| 994 | status, fork_repo_id, fork_namespace, fork_name, source_branch, head_commit, |
| 995 | author_id, author_name, created_at, updated_at) |
| 996 | VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", |
| 997 | ) |
| 998 | .bind(&[ |
| 999 | id.as_str().into(), |
| 1000 | repo.id.as_str().into(), |
| 1001 | number.into(), |
| 1002 | optional(&issue.as_ref().map(|issue| issue.id.clone())), |
| 1003 | optional_number(issue.as_ref().map(|issue| issue.number)), |
| 1004 | title.into(), |
| 1005 | optional(&body), |
| 1006 | agent.into(), |
| 1007 | runtime.into(), |
| 1008 | status.into(), |
| 1009 | optional(&fork.as_ref().map(|fork| fork.id.clone())), |
| 1010 | optional(&fork.as_ref().map(|fork| fork.namespace.clone())), |
| 1011 | optional(&fork.as_ref().map(|fork| fork.name.clone())), |
| 1012 | optional(&branch.map(str::to_owned)), |
| 1013 | optional(&head), |
| 1014 | a.actor.id.as_str().into(), |
| 1015 | a.actor.username.as_str().into(), |
| 1016 | timestamp.as_str().into(), |
| 1017 | timestamp.as_str().into(), |
| 1018 | ])? |
| 1019 | .run() |
| 1020 | .await?; |
| 1021 | let Some(pull) = self.pull(&repo.id, number).await? else { |
| 1022 | return Ok(no_pull()); |
| 1023 | }; |
| 1024 | self.manage(&pull).await?; |
| 1025 | // Someone is on it now, so it is no longer waiting for an agent. |
| 1026 | if let Some(issue) = pull.issue { |
| 1027 | self.db |
| 1028 | .prepare("UPDATE issues SET queued_by = NULL WHERE repo_id = ? AND number = ?") |
| 1029 | .bind(&[repo.id.as_str().into(), issue.into()])? |
| 1030 | .run() |
| 1031 | .await?; |
| 1032 | } |
| 1033 | if let Some(issue) = pull.issue { |
| 1034 | let text = if lifecycle::made_by_g1t(&pull) { |
| 1035 | format!("assigned this to g1t-agent, which opened #{}", pull.number) |
| 1036 | } else { |
| 1037 | format!("opened #{} for this", pull.number) |
| 1038 | }; |
| 1039 | self.note(&repo.id, issue, (&a.actor.id, &a.actor.username), &text) |
| 1040 | .await?; |
| 1041 | } |
| 1042 | self.publish( |
| 1043 | "pull.opened", |
| 1044 | &repo.id, |
| 1045 | &a.actor, |
| 1046 | PullEvent { |
| 1047 | agent: Some(pull.agent.clone()), |
| 1048 | ..Self::pull_event(&pull) |
| 1049 | }, |
| 1050 | ) |
| 1051 | .await?; |
| 1052 | Ok(Outcome::Ok(pull)) |
| 1053 | } |
| 1054 | |
| 1055 | async fn list_pulls(&self, a: ListPullsArgs) -> Result<Outcome<Vec<Pull>>> { |
| 1056 | let repo = check!(self.repo(&a.repo, &a.viewer).await?); |
| 1057 | let filter = match a.state { |
| 1058 | Some(State::Open) => "AND status IN ('draft', 'open')", |
| 1059 | Some(State::Closed) => "AND status IN ('merged', 'closed')", |
| 1060 | None => "", |
| 1061 | }; |
| 1062 | let rows = self |
| 1063 | .db |
| 1064 | .prepare(format!( |
| 1065 | "SELECT * FROM pulls WHERE repo_id = ? {filter} ORDER BY number DESC LIMIT ?" |
| 1066 | )) |
| 1067 | .bind(&[repo.id.into(), LIST_PAGE.into()])? |
| 1068 | .all() |
| 1069 | .await? |
| 1070 | .results::<PullRow>()?; |
| 1071 | Ok(Outcome::Ok(rows.into_iter().map(Pull::from).collect())) |
| 1072 | } |
| 1073 | |
| 1074 | async fn get_pull(&self, a: ViewArgs) -> Result<Outcome<PullDetail>> { |
| 1075 | let (repo, pull) = check!(self.pull_at(&a.repo, a.number, &a.viewer).await?); |
| 1076 | let issue = match pull.issue { |
| 1077 | Some(number) => self.issue(&repo.id, number).await?, |
| 1078 | None => None, |
| 1079 | }; |
| 1080 | let mut pull = pull; |
| 1081 | // Worked out on each push; this covers a pull request from before |
| 1082 | // that was recorded. |
| 1083 | if pull.files.is_empty() && pull.head_commit.is_some() { |
| 1084 | pull.files = self.refresh_files(&pull).await?; |
| 1085 | } |
| 1086 | // Everything else at once: none of it depends on the rest, and each |
| 1087 | // is a round trip of its own. |
| 1088 | let standing = async { |
| 1089 | // Mergeability first: where g1t sees a pull request through, a |
| 1090 | // conflict decides its next step. |
| 1091 | let (merge, behind) = |
| 1092 | try_join(self.mergeability(&pull), self.is_behind(&repo.id, &pull)).await?; |
| 1093 | let lifecycle = self |
| 1094 | .assess(&pull, &issue, behind) |
| 1095 | .await? |
| 1096 | .map(|(lifecycle, _)| lifecycle); |
| 1097 | Ok::<_, worker::Error>((behind, lifecycle, merge)) |
| 1098 | }; |
| 1099 | let (((behind, lifecycle, (mergeable, conflicts)), (landing, stalled), comments), (checks, overlaps, review_pending)) = |
| 1100 | try_join( |
| 1101 | try_join3(standing, self.landing_state(&pull.id), self.comments(&repo.id, pull.number)), |
| 1102 | try_join3( |
| 1103 | self.latest_checks(&pull.id), |
| 1104 | self.overlaps(&pull), |
| 1105 | self.review_pending(&pull.id), |
| 1106 | ), |
| 1107 | ) |
| 1108 | .await?; |
| 1109 | Ok(Outcome::Ok(PullDetail { |
| 1110 | comments, |
| 1111 | checks, |
| 1112 | overlaps, |
| 1113 | behind, |
| 1114 | review_pending, |
| 1115 | lifecycle, |
| 1116 | landing, |
| 1117 | stalled, |
| 1118 | messages: self.messages(&pull.id).await?, |
| 1119 | statuses: self.statuses(&repo.id, pull.head_commit.as_deref()).await?, |
| 1120 | mergeable, |
| 1121 | conflicts, |
| 1122 | earlier_checks: self.earlier_checks(&pull.id).await?, |
| 1123 | issue, |
| 1124 | pull, |
| 1125 | })) |
| 1126 | } |
| 1127 | |
| 1128 | /// The pull request, if it is still active and `actor` opened it or |
| 1129 | /// belongs to the repository's workspace. |
| 1130 | async fn manageable_pull( |
| 1131 | &self, |
| 1132 | actor: &User, |
| 1133 | path: &RepoPath, |
| 1134 | number: u32, |
| 1135 | ) -> Result<Outcome<Pull>> { |
| 1136 | let (repo, pull) = check!(self.pull_at(path, number, &Some(actor.clone())).await?); |
| 1137 | if pull.author.id != actor.id && !actor.is_member(&repo.namespace) { |
| 1138 | return Ok(Outcome::fail( |
| 1139 | FailureCode::Forbidden, |
| 1140 | "Only whoever opened a pull request, or a member of the workspace, can change it.", |
| 1141 | )); |
| 1142 | } |
| 1143 | if !pull.status.is_active() { |
| 1144 | return Ok(Outcome::fail( |
| 1145 | FailureCode::Conflict, |
| 1146 | format!("This pull request is already {}.", pull.status.as_str()), |
| 1147 | )); |
| 1148 | } |
| 1149 | Ok(Outcome::Ok(pull)) |
| 1150 | } |
| 1151 | |
| 1152 | /// Brings a pull request up to date with the default branch without a |
| 1153 | /// sandbox, where the repos service can do that safely. Whoever could |
| 1154 | /// have pushed the merge themselves may ask: whoever opened it, for a |
| 1155 | /// fork; any member, for a branch of the repository. When it needs a |
| 1156 | /// real merge, says so, naming the conflicting files if a probe found |
| 1157 | /// them, and pushes nothing. |
| 1158 | async fn catch_up_pull(&self, a: PullActionArgs) -> Result<Outcome<PullBranchUpdate>> { |
| 1159 | let (repo, pull) = check!(self.pull_at(&a.repo, a.number, &Some(a.actor.clone())).await?); |
| 1160 | if !pull.status.is_active() { |
| 1161 | return Ok(Outcome::fail( |
| 1162 | FailureCode::Conflict, |
| 1163 | format!("This pull request is already {}.", pull.status.as_str()), |
| 1164 | )); |
| 1165 | } |
| 1166 | let allowed = if pull.fork_repo_id.is_some() { |
| 1167 | pull.author.id == a.actor.id |
| 1168 | } else { |
| 1169 | a.actor.is_member(&repo.namespace) |
| 1170 | }; |
| 1171 | if !allowed { |
| 1172 | return Ok(Outcome::fail( |
| 1173 | FailureCode::Forbidden, |
| 1174 | if pull.fork_repo_id.is_some() { |
| 1175 | "Only whoever opened this pull request can update it." |
| 1176 | } else { |
| 1177 | "Only members of the workspace can update this pull request." |
| 1178 | }, |
| 1179 | )); |
| 1180 | } |
| 1181 | let updated: Outcome<PullBranchUpdate> = g1t_kit::call( |
| 1182 | &self.repos, |
| 1183 | "update_pull_branch", |
| 1184 | &UpdatePullBranchArgs { |
| 1185 | source_id: pull.fork_repo_id.clone().unwrap_or_else(|| repo.id.clone()), |
| 1186 | branch: pull.branch.clone(), |
| 1187 | number: pull.number, |
| 1188 | actor: a.actor, |
| 1189 | }, |
| 1190 | ) |
| 1191 | .await?; |
| 1192 | // A probe that found conflicts says more than "both changed it". |
| 1193 | if let Outcome::Ok(PullBranchUpdate::NeedsAgent { .. }) = &updated |
| 1194 | && let Some(files) = self.conflicting_files(&pull).await? |
| 1195 | && !files.is_empty() |
| 1196 | { |
| 1197 | return Ok(Outcome::Ok(PullBranchUpdate::NeedsAgent { |
| 1198 | reason: NeedsAgentReason::Conflicting, |
| 1199 | detail: "Merging it conflicts.".to_owned(), |
| 1200 | paths: files, |
| 1201 | })); |
| 1202 | } |
| 1203 | Ok(updated) |
| 1204 | } |
| 1205 | |
| 1206 | async fn update_pull(&self, a: UpdatePullArgs) -> Result<Outcome<Pull>> { |
| 1207 | let pull = check!(self.manageable_pull(&a.actor, &a.repo, a.number).await?); |
| 1208 | let assignees = match a.assignees { |
| 1209 | Some(names) => Some(check!(self.valid_assignees(names).await?)), |
| 1210 | None => None, |
| 1211 | }; |
| 1212 | let reviewers = match a.reviewers { |
| 1213 | Some(names) => { |
| 1214 | // A g1t agent is not an account; everyone else has to be. |
| 1215 | let agent = names |
| 1216 | .iter() |
| 1217 | .any(|name| name.trim().eq_ignore_ascii_case(reviews::AGENT_NAME)); |
| 1218 | let people = names |
| 1219 | .into_iter() |
| 1220 | .filter(|name| !name.trim().eq_ignore_ascii_case(reviews::AGENT_NAME)) |
| 1221 | .collect(); |
| 1222 | let mut reviewers = check!(self.valid_assignees(people).await?); |
| 1223 | reviewers.retain(|name| *name != pull.author.username); |
| 1224 | if agent { |
| 1225 | reviewers.insert(0, reviews::AGENT_NAME.to_owned()); |
| 1226 | } |
| 1227 | Some(reviewers) |
| 1228 | } |
| 1229 | None => None, |
| 1230 | }; |
| 1231 | self.db |
| 1232 | .prepare( |
| 1233 | "UPDATE pulls |
| 1234 | SET assignees = COALESCE(?, assignees), reviewers = COALESCE(?, reviewers), |
| 1235 | updated_at = ? |
| 1236 | WHERE id = ?", |
| 1237 | ) |
| 1238 | .bind(&[ |
| 1239 | optional(&assignees.as_ref().map(serde_json::to_string).transpose()?), |
| 1240 | optional(&reviewers.as_ref().map(serde_json::to_string).transpose()?), |
| 1241 | rfc3339(now_ms()).into(), |
| 1242 | pull.id.as_str().into(), |
| 1243 | ])? |
| 1244 | .run() |
| 1245 | .await?; |
| 1246 | if let Some(assignees) = &assignees { |
| 1247 | self.note_changes( |
| 1248 | &pull.repo_id, |
| 1249 | pull.number, |
| 1250 | &a.actor, |
| 1251 | &pull.assignees, |
| 1252 | assignees, |
| 1253 | ("assigned", "unassigned"), |
| 1254 | ) |
| 1255 | .await?; |
| 1256 | } |
| 1257 | if let Some(reviewers) = &reviewers { |
| 1258 | self.note_changes( |
| 1259 | &pull.repo_id, |
| 1260 | pull.number, |
| 1261 | &a.actor, |
| 1262 | &pull.reviewers, |
| 1263 | reviewers, |
| 1264 | ( |
| 1265 | "requested a review from", |
| 1266 | "withdrew the request for a review from", |
| 1267 | ), |
| 1268 | ) |
| 1269 | .await?; |
| 1270 | } |
| 1271 | Ok(match self.pull(&pull.repo_id, pull.number).await? { |
| 1272 | Some(pull) => Outcome::Ok(pull), |
| 1273 | None => no_pull(), |
| 1274 | }) |
| 1275 | } |
| 1276 | |
| 1277 | /// Marks a draft ready for review, or updates the description of one |
| 1278 | /// that already is. |
| 1279 | async fn ready_pull(&self, a: PullActionArgs) -> Result<Outcome<Pull>> { |
| 1280 | let mut pull = check!(self.manageable_pull(&a.actor, &a.repo, a.number).await?); |
| 1281 | let summary = Some(a.summary.trim().to_owned()).filter(|summary| !summary.is_empty()); |
| 1282 | let now = rfc3339(now_ms()); |
| 1283 | self.db |
| 1284 | .prepare( |
| 1285 | "UPDATE pulls SET status = 'open', body = COALESCE(?, body), updated_at = ? |
| 1286 | WHERE id = ?", |
| 1287 | ) |
| 1288 | .bind(&[ |
| 1289 | optional(&summary), |
| 1290 | now.as_str().into(), |
| 1291 | pull.id.as_str().into(), |
| 1292 | ])? |
| 1293 | .run() |
| 1294 | .await?; |
| 1295 | if pull.status == PullStatus::Draft { |
| 1296 | // The head as it is now: the push that came just before may not |
| 1297 | // have reached `head_commit` yet, and workflows run on it. |
| 1298 | let commit = self.live_head(&pull).await?.or_else(|| pull.head_commit.clone()); |
| 1299 | self.publish( |
| 1300 | "pull.ready", |
| 1301 | &pull.repo_id, |
| 1302 | &a.actor, |
| 1303 | PullEvent { |
| 1304 | commit, |
| 1305 | ..Self::pull_event(&pull) |
| 1306 | }, |
| 1307 | ) |
| 1308 | .await?; |
| 1309 | } |
| 1310 | if pull.status == PullStatus::Draft { |
| 1311 | self.note( |
| 1312 | &pull.repo_id, |
| 1313 | pull.number, |
| 1314 | (&a.actor.id, &a.actor.username), |
| 1315 | "marked this ready for review", |
| 1316 | ) |
| 1317 | .await?; |
| 1318 | } |
| 1319 | pull.status = PullStatus::Open; |
| 1320 | pull.body = summary.or(pull.body); |
| 1321 | pull.updated_at = now; |
| 1322 | Ok(Outcome::Ok(pull)) |
| 1323 | } |
| 1324 | |
| 1325 | async fn close_pull(&self, a: PullActionArgs) -> Result<Outcome<Pull>> { |
| 1326 | let mut pull = check!(self.manageable_pull(&a.actor, &a.repo, a.number).await?); |
| 1327 | let now = rfc3339(now_ms()); |
| 1328 | self.db |
| 1329 | .prepare("UPDATE pulls SET status = 'closed', updated_at = ? WHERE id = ?") |
| 1330 | .bind(&[now.as_str().into(), pull.id.as_str().into()])? |
| 1331 | .run() |
| 1332 | .await?; |
| 1333 | self.publish( |
| 1334 | "pull.closed", |
| 1335 | &pull.repo_id, |
| 1336 | &a.actor, |
| 1337 | Self::pull_event(&pull), |
| 1338 | ) |
| 1339 | .await?; |
| 1340 | self.note( |
| 1341 | &pull.repo_id, |
| 1342 | pull.number, |
| 1343 | (&a.actor.id, &a.actor.username), |
| 1344 | "closed this", |
| 1345 | ) |
| 1346 | .await?; |
| 1347 | // A closed pull request leaves the merge queue. |
| 1348 | if self |
| 1349 | .leave(&pull.repo_id, &pull, QueueState::Removed, Some("It was closed.")) |
| 1350 | .await? |
| 1351 | { |
| 1352 | self.publish_as( |
| 1353 | "queue.changed", |
| 1354 | &pull.repo_id, |
| 1355 | None, |
| 1356 | g1t_contracts::events::QueueChanged { |
| 1357 | repo_id: pull.repo_id.clone(), |
| 1358 | }, |
| 1359 | ) |
| 1360 | .await?; |
| 1361 | } |
| 1362 | pull.status = PullStatus::Closed; |
| 1363 | pull.updated_at = now; |
| 1364 | Ok(Outcome::Ok(pull)) |
| 1365 | } |
| 1366 | |
| 1367 | /// Lands the pull request on the repository's default branch. Unless |
| 1368 | /// told to keep it open, that resolves the issue it was for: the issue |
| 1369 | /// closes naming this pull request, and the others still in progress |
| 1370 | /// for it close as superseded. |
| 1371 | async fn merge_pull(&self, a: PullActionArgs) -> Result<Outcome<Pull>> { |
| 1372 | let viewer = Some(a.actor.clone()); |
| 1373 | let (repo, pull) = check!(self.pull_at(&a.repo, a.number, &viewer).await?); |
| 1374 | match pull.status { |
| 1375 | PullStatus::Open => {} |
| 1376 | PullStatus::Draft => { |
| 1377 | return Ok(Outcome::fail( |
| 1378 | FailureCode::Conflict, |
| 1379 | "This pull request is still a draft. Mark it ready for review first.", |
| 1380 | )); |
| 1381 | } |
| 1382 | status => { |
| 1383 | return Ok(Outcome::fail( |
| 1384 | FailureCode::Conflict, |
| 1385 | format!("This pull request is already {}.", status.as_str()), |
| 1386 | )); |
| 1387 | } |
| 1388 | } |
| 1389 | let settings = self.settings(&repo.id).await?; |
| 1390 | // Where the repository does not allow it, asking to ignore the |
| 1391 | // checks changes nothing. |
| 1392 | if !a.ignore_checks || !settings.allow_ignoring_checks { |
| 1393 | let waiting = match pull.check_status { |
| 1394 | Some(CheckStatus::Queued | CheckStatus::Running) => { |
| 1395 | Some("The acceptance checks are still running.") |
| 1396 | } |
| 1397 | Some(CheckStatus::Failed) => Some("The acceptance checks did not pass."), |
| 1398 | Some(CheckStatus::Errored) => Some("The acceptance checks could not be run."), |
| 1399 | Some(CheckStatus::Passed) | None => None, |
| 1400 | }; |
| 1401 | // Workflows run on its head count as checks too. |
| 1402 | let workflows = statuses::WorkflowFacts::of(&self.statuses(&repo.id, pull.head_commit.as_deref()).await?).refusal(); |
| 1403 | let waiting = waiting.map(str::to_owned).or(workflows); |
| 1404 | if let Some(reason) = waiting { |
| 1405 | let remedy = if settings.allow_ignoring_checks { |
| 1406 | "Wait or fix them, or merge anyway by ignoring the checks." |
| 1407 | } else { |
| 1408 | "This repository only merges pull requests whose checks pass." |
| 1409 | }; |
| 1410 | return Ok(Outcome::fail( |
| 1411 | FailureCode::Conflict, |
| 1412 | format!("{reason} {remedy}"), |
| 1413 | )); |
| 1414 | } |
| 1415 | } |
| 1416 | if let Some(missing) = self.approvals_gap(&settings, &pull).await? { |
| 1417 | return Ok(Outcome::fail(FailureCode::Conflict, missing)); |
| 1418 | } |
| 1419 | // Known ahead of time to conflict: neither a merge nor the queue |
| 1420 | // would get through, so say what has to be resolved now. |
| 1421 | if let Some(files) = self.conflicting_files(&pull).await? { |
| 1422 | let named = if files.is_empty() { |
| 1423 | String::new() |
| 1424 | } else { |
| 1425 | format!(" in {}", files.join(", ")) |
| 1426 | }; |
| 1427 | return Ok(Outcome::fail( |
| 1428 | FailureCode::Conflict, |
| 1429 | format!( |
| 1430 | "This branch has conflicts with {}{named} that must be resolved first. Have the g1t agent resolve them, or merge {0} into it, fix them and push.", |
| 1431 | repo.default_branch |
| 1432 | ), |
| 1433 | )); |
| 1434 | } |
| 1435 | |
| 1436 | // A repository that merges through a queue: it joins the queue, and |
| 1437 | // lands once its state together with everything ahead has passed. |
| 1438 | if settings.merge_queue { |
| 1439 | if !a.actor.verified { |
| 1440 | return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED)); |
| 1441 | } |
| 1442 | if !a.actor.is_member(&repo.namespace) { |
| 1443 | return Ok(Outcome::fail( |
| 1444 | FailureCode::Forbidden, |
| 1445 | "Only members of the repository's workspace can merge a pull request.", |
| 1446 | )); |
| 1447 | } |
| 1448 | return self.enqueue(&repo, &pull, &a.actor, a.keep_issue_open).await; |
| 1449 | } |
| 1450 | |
| 1451 | // The default branch has moved under it. Unless the repository |
| 1452 | // insists on that being dealt with first, bring it up to date and |
| 1453 | // land it when that is done. |
| 1454 | if self.is_behind(&repo.id, &pull).await? { |
| 1455 | if settings.require_up_to_date { |
| 1456 | return Ok(Outcome::fail( |
| 1457 | FailureCode::Conflict, |
| 1458 | format!( |
| 1459 | "{} has moved since this pull request was made, and this repository requires pull requests to be up to date before they merge. Catch up with {0} first.", |
| 1460 | repo.default_branch |
| 1461 | ), |
| 1462 | )); |
| 1463 | } |
| 1464 | if !a.actor.verified { |
| 1465 | return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED)); |
| 1466 | } |
| 1467 | if !a.actor.is_member(&repo.namespace) { |
| 1468 | return Ok(Outcome::fail( |
| 1469 | FailureCode::Forbidden, |
| 1470 | "Only members of the repository's workspace can merge a pull request.", |
| 1471 | )); |
| 1472 | } |
| 1473 | self.request_landing(&pull, &a.actor, a.keep_issue_open) |
| 1474 | .await?; |
| 1475 | return Ok(Outcome::Ok(pull)); |
| 1476 | } |
| 1477 | |
| 1478 | // Whether the actor may write to the repository is decided by repos. |
| 1479 | let landed: Outcome<Landed> = g1t_kit::call( |
| 1480 | &self.repos, |
| 1481 | "land", |
| 1482 | &LandArgs { |
| 1483 | // A pull request from a branch lands from the repository itself. |
| 1484 | source_id: pull.fork_repo_id.clone().unwrap_or_else(|| repo.id.clone()), |
| 1485 | branch: pull.branch.clone(), |
| 1486 | actor: a.actor.clone(), |
| 1487 | }, |
| 1488 | ) |
| 1489 | .await?; |
| 1490 | let landed = check!(landed); |
| 1491 | Ok(Outcome::Ok( |
| 1492 | self.record_merge(&repo, pull, &a.actor, a.keep_issue_open, landed) |
| 1493 | .await?, |
| 1494 | )) |
| 1495 | } |
| 1496 | |
| 1497 | /// Records a pull request as merged once the default branch holds it: |
| 1498 | /// closes its issue, supersedes the others for it, and says so. |
| 1499 | pub(crate) async fn record_merge( |
| 1500 | &self, |
| 1501 | repo: &Repo, |
| 1502 | mut pull: Pull, |
| 1503 | actor: &User, |
| 1504 | keep_issue_open: bool, |
| 1505 | landed: Landed, |
| 1506 | ) -> Result<Pull> { |
| 1507 | let issue = match pull.issue { |
| 1508 | Some(number) if !keep_issue_open => self |
| 1509 | .issue(&repo.id, number) |
| 1510 | .await? |
| 1511 | .filter(|issue| issue.state == State::Open), |
| 1512 | _ => None, |
| 1513 | }; |
| 1514 | let now = rfc3339(now_ms()); |
| 1515 | let mut statements = vec![ |
| 1516 | self.db |
| 1517 | .prepare( |
| 1518 | "UPDATE pulls |
| 1519 | SET status = 'merged', head_commit = ?, merge_base = ?, merged_by = ?, |
| 1520 | merged_at = ?, updated_at = ? |
| 1521 | WHERE id = ?", |
| 1522 | ) |
| 1523 | .bind(&[ |
| 1524 | landed.commit.as_str().into(), |
| 1525 | optional(&landed.previous), |
| 1526 | actor.username.as_str().into(), |
| 1527 | now.as_str().into(), |
| 1528 | now.as_str().into(), |
| 1529 | pull.id.as_str().into(), |
| 1530 | ])?, |
| 1531 | ]; |
| 1532 | if let Some(issue) = &issue { |
| 1533 | statements.push( |
| 1534 | self.db |
| 1535 | .prepare( |
| 1536 | "UPDATE issues |
| 1537 | SET state = 'closed', reason = 'completed', resolved_by = ?, |
| 1538 | closed_at = ?, updated_at = ? |
| 1539 | WHERE id = ?", |
| 1540 | ) |
| 1541 | .bind(&[ |
| 1542 | pull.number.into(), |
| 1543 | now.as_str().into(), |
| 1544 | now.as_str().into(), |
| 1545 | issue.id.as_str().into(), |
| 1546 | ])?, |
| 1547 | ); |
| 1548 | statements.push( |
| 1549 | self.db |
| 1550 | .prepare( |
| 1551 | "UPDATE pulls SET status = 'closed', superseded_by = ?, updated_at = ? |
| 1552 | WHERE issue_id = ? AND id != ? AND status IN ('draft', 'open')", |
| 1553 | ) |
| 1554 | .bind(&[ |
| 1555 | pull.number.into(), |
| 1556 | now.as_str().into(), |
| 1557 | issue.id.as_str().into(), |
| 1558 | pull.id.as_str().into(), |
| 1559 | ])?, |
| 1560 | ); |
| 1561 | } |
| 1562 | self.db.batch(statements).await?; |
| 1563 | |
| 1564 | self.publish( |
| 1565 | "pull.merged", |
| 1566 | &repo.id, |
| 1567 | actor, |
| 1568 | PullEvent { |
| 1569 | commit: Some(landed.commit.clone()), |
| 1570 | ..Self::pull_event(&pull) |
| 1571 | }, |
| 1572 | ) |
| 1573 | .await?; |
| 1574 | if let Some(issue) = &issue { |
| 1575 | self.publish( |
| 1576 | "issue.closed", |
| 1577 | &repo.id, |
| 1578 | actor, |
| 1579 | IssueEvent { |
| 1580 | reason: Some(IssueReason::Completed.as_str()), |
| 1581 | resolved_by: Some(pull.number), |
| 1582 | ..Self::issue_event(issue) |
| 1583 | }, |
| 1584 | ) |
| 1585 | .await?; |
| 1586 | } |
| 1587 | |
| 1588 | let who = (actor.id.as_str(), actor.username.as_str()); |
| 1589 | self.note(&repo.id, pull.number, who, "merged this").await?; |
| 1590 | if let Some(issue) = &issue { |
| 1591 | self.note( |
| 1592 | &repo.id, |
| 1593 | issue.number, |
| 1594 | who, |
| 1595 | &format!("closed this by merging #{}", pull.number), |
| 1596 | ) |
| 1597 | .await?; |
| 1598 | } |
| 1599 | pull.status = PullStatus::Merged; |
| 1600 | pull.head_commit = Some(landed.commit.clone()); |
| 1601 | pull.merge_base = landed.previous; |
| 1602 | pull.merged_by = Some(actor.username.clone()); |
| 1603 | pull.merged_at = Some(now.clone()); |
| 1604 | pull.updated_at = now; |
| 1605 | Ok(pull) |
| 1606 | } |
| 1607 | |
| 1608 | async fn list_active_pulls(&self, a: ViewerArgs) -> Result<Vec<ActivePull>> { |
| 1609 | let Some(viewer) = a.viewer else { |
| 1610 | return Ok(Vec::new()); |
| 1611 | }; |
| 1612 | let found = self |
| 1613 | .db |
| 1614 | .prepare( |
| 1615 | "SELECT * FROM pulls |
| 1616 | WHERE author_id = ? AND status IN ('draft', 'open') |
| 1617 | ORDER BY updated_at DESC LIMIT 50", |
| 1618 | ) |
| 1619 | .bind(&[viewer.id.into()])? |
| 1620 | .all() |
| 1621 | .await?; |
| 1622 | let snapshots = found.results::<Snapshot>()?; |
| 1623 | let pulls: Vec<Pull> = found.results::<PullRow>()?.into_iter().map(Pull::from).collect(); |
| 1624 | // Each one at once: its issue, and where it stands. That is the |
| 1625 | // remembered assessment when there is one, and worked out otherwise. |
| 1626 | try_join_all(pulls.into_iter().zip(snapshots).map(|(pull, snapshot)| async move { |
| 1627 | let issue = match pull.issue { |
| 1628 | Some(number) => self.issue(&pull.repo_id, number).await?, |
| 1629 | None => None, |
| 1630 | }; |
| 1631 | // Only a pull request g1t is seeing through has a lifecycle. |
| 1632 | let lifecycle = if !lifecycle::made_by_g1t(&pull) || snapshot.managed == 0 { |
| 1633 | None |
| 1634 | } else if let (Some(stage), Some(detail)) = (snapshot.stage, snapshot.stage_detail) { |
| 1635 | Some(Lifecycle { |
| 1636 | stage, |
| 1637 | detail, |
| 1638 | revisions: snapshot.revisions, |
| 1639 | }) |
| 1640 | } else { |
| 1641 | let behind = self.is_behind(&pull.repo_id, &pull).await?; |
| 1642 | self.assess(&pull, &issue, behind) |
| 1643 | .await? |
| 1644 | .map(|(lifecycle, _)| lifecycle) |
| 1645 | }; |
| 1646 | Ok::<_, worker::Error>(ActivePull { |
| 1647 | pull, |
| 1648 | issue, |
| 1649 | lifecycle, |
| 1650 | }) |
| 1651 | })) |
| 1652 | .await |
| 1653 | } |
| 1654 | |
| 1655 | // --- Sessions ---------------------------------------------------------- |
| 1656 | |
| 1657 | async fn append_session(&self, a: AppendSessionArgs) -> Result<Outcome<Appended>> { |
| 1658 | if a.entries.is_empty() { |
| 1659 | return Ok(Outcome::Ok(Appended { count: 0 })); |
| 1660 | } |
| 1661 | if a.entries.len() > MAX_ENTRY_BATCH { |
| 1662 | return Ok(Outcome::fail( |
| 1663 | FailureCode::Invalid, |
| 1664 | format!("Send at most {MAX_ENTRY_BATCH} entries at a time."), |
| 1665 | )); |
| 1666 | } |
| 1667 | let viewer = Some(a.actor.clone()); |
| 1668 | let (_, pull) = check!(self.pull_at(&a.repo, a.number, &viewer).await?); |
| 1669 | if pull.author.id != a.actor.id { |
| 1670 | return Ok(Outcome::fail( |
| 1671 | FailureCode::Forbidden, |
| 1672 | "Only whoever opened a pull request can record its session.", |
| 1673 | )); |
| 1674 | } |
| 1675 | |
| 1676 | let now = rfc3339(now_ms()); |
| 1677 | let count = a.entries.len() as u32; |
| 1678 | let mut statements = Vec::with_capacity(a.entries.len() + 1); |
| 1679 | for entry in a.entries { |
| 1680 | let kind = serde_json::to_value(entry.kind)?; |
| 1681 | let text: String = entry.text.chars().take(MAX_ENTRY_CHARS).collect(); |
| 1682 | // Each insert takes the next sequence number itself, so two |
| 1683 | // writers appending at once cannot collide. |
| 1684 | statements.push( |
| 1685 | self.db |
| 1686 | .prepare( |
| 1687 | "INSERT INTO session_entries (pull_id, seq, kind, text, tool, \"commit\", at) |
| 1688 | SELECT ?, COALESCE(MAX(seq), 0) + 1, ?, ?, ?, ?, ? |
| 1689 | FROM session_entries WHERE pull_id = ?", |
| 1690 | ) |
| 1691 | .bind(&[ |
| 1692 | pull.id.as_str().into(), |
| 1693 | kind.as_str().unwrap_or("note").into(), |
| 1694 | text.into(), |
| 1695 | optional(&entry.tool), |
| 1696 | optional(&entry.commit.or_else(|| pull.head_commit.clone())), |
| 1697 | now.as_str().into(), |
| 1698 | pull.id.as_str().into(), |
| 1699 | ])?, |
| 1700 | ); |
| 1701 | } |
| 1702 | statements.push( |
| 1703 | self.db |
| 1704 | .prepare("UPDATE pulls SET updated_at = ? WHERE id = ?") |
| 1705 | .bind(&[now.as_str().into(), pull.id.as_str().into()])?, |
| 1706 | ); |
| 1707 | self.db.batch(statements).await?; |
| 1708 | self.publish( |
| 1709 | "session.appended", |
| 1710 | &pull.repo_id, |
| 1711 | &a.actor, |
| 1712 | SessionAppended { |
| 1713 | pull_id: pull.id.clone(), |
| 1714 | repo_id: pull.repo_id.clone(), |
| 1715 | number: pull.number, |
| 1716 | count, |
| 1717 | }, |
| 1718 | ) |
| 1719 | .await?; |
| 1720 | Ok(Outcome::Ok(Appended { count })) |
| 1721 | } |
| 1722 | |
| 1723 | /// Adds entries to a pull request's session, each taking the next |
| 1724 | /// sequence number, without announcing it. |
| 1725 | pub(crate) async fn append_entries(&self, pull: &Pull, entries: &[NewSessionEntry]) -> Result<()> { |
| 1726 | let now = rfc3339(now_ms()); |
| 1727 | let mut statements = Vec::with_capacity(entries.len()); |
| 1728 | for entry in entries { |
| 1729 | let kind = serde_json::to_value(entry.kind)?; |
| 1730 | let text: String = entry.text.chars().take(MAX_ENTRY_CHARS).collect(); |
| 1731 | statements.push( |
| 1732 | self.db |
| 1733 | .prepare( |
| 1734 | "INSERT INTO session_entries (pull_id, seq, kind, text, tool, \"commit\", at) |
| 1735 | SELECT ?, COALESCE(MAX(seq), 0) + 1, ?, ?, ?, ?, ? |
| 1736 | FROM session_entries WHERE pull_id = ?", |
| 1737 | ) |
| 1738 | .bind(&[ |
| 1739 | pull.id.as_str().into(), |
| 1740 | kind.as_str().unwrap_or("note").into(), |
| 1741 | text.into(), |
| 1742 | optional(&entry.tool), |
| 1743 | optional(&entry.commit.clone().or_else(|| pull.head_commit.clone())), |
| 1744 | now.as_str().into(), |
| 1745 | pull.id.as_str().into(), |
| 1746 | ])?, |
| 1747 | ); |
| 1748 | } |
| 1749 | self.db.batch(statements).await?; |
| 1750 | Ok(()) |
| 1751 | } |
| 1752 | |
| 1753 | async fn read_session(&self, a: ViewArgs) -> Result<Outcome<Vec<SessionEntry>>> { |
| 1754 | let (_, pull) = check!(self.pull_at(&a.repo, a.number, &a.viewer).await?); |
| 1755 | let rows = self |
| 1756 | .db |
| 1757 | .prepare( |
| 1758 | "SELECT seq, kind, text, tool, \"commit\", at FROM session_entries |
| 1759 | WHERE pull_id = ? AND seq > ? ORDER BY seq LIMIT ?", |
| 1760 | ) |
| 1761 | .bind(&[pull.id.into(), a.after_seq.into(), SESSION_PAGE.into()])? |
| 1762 | .all() |
| 1763 | .await? |
| 1764 | .results::<SessionRow>()?; |
| 1765 | Ok(Outcome::Ok( |
| 1766 | rows.into_iter().map(SessionEntry::from).collect(), |
| 1767 | )) |
| 1768 | } |
| 1769 | |
| 1770 | /// A push moves the head of the pull request it concerns: the one whose |
| 1771 | /// fork was pushed to, or the one opened from the branch that moved. |
| 1772 | async fn on_event(&self, event: &Event) -> Result<()> { |
| 1773 | if event.kind != "git.push" { |
| 1774 | return Ok(()); |
| 1775 | } |
| 1776 | let (Some(repo_id), Some(after), Some(git_ref)) = ( |
| 1777 | event.repo_id.as_deref(), |
| 1778 | event.data["after"].as_str(), |
| 1779 | event.data["ref"].as_str(), |
| 1780 | ) else { |
| 1781 | return Ok(()); |
| 1782 | }; |
| 1783 | let now = rfc3339(now_ms()); |
| 1784 | // The head moved, so whatever the checks said no longer applies, and |
| 1785 | // whatever step g1t was waiting on has been taken. |
| 1786 | let moved = "UPDATE pulls |
| 1787 | SET head_commit = ?, updated_at = ?, check_status = NULL, check_run_id = NULL, |
| 1788 | working_on = NULL, working_until = NULL, stalled = NULL"; |
| 1789 | let active = "status IN ('draft', 'open') AND head_commit IS NOT ?"; |
| 1790 | let returning = "RETURNING id, repo_id, number, issue_number, status"; |
| 1791 | let mut pulls: Vec<MovedRow> = Vec::new(); |
| 1792 | // A fork carries its pull request on its default branch. |
| 1793 | if event.data["defaultBranch"].as_bool() == Some(true) { |
| 1794 | pulls.extend( |
| 1795 | self.db |
| 1796 | .prepare(format!( |
| 1797 | "{moved} WHERE fork_repo_id = ? AND {active} {returning}" |
| 1798 | )) |
| 1799 | .bind(&[ |
| 1800 | after.into(), |
| 1801 | now.as_str().into(), |
| 1802 | repo_id.into(), |
| 1803 | after.into(), |
| 1804 | ])? |
| 1805 | .all() |
| 1806 | .await? |
| 1807 | .results::<MovedRow>()?, |
| 1808 | ); |
| 1809 | } |
| 1810 | if let Some(branch) = git_ref.strip_prefix("refs/heads/") { |
| 1811 | pulls.extend( |
| 1812 | self.db |
| 1813 | .prepare(format!( |
| 1814 | "{moved} WHERE repo_id = ? AND source_branch = ? AND {active} {returning}" |
| 1815 | )) |
| 1816 | .bind(&[ |
| 1817 | after.into(), |
| 1818 | now.as_str().into(), |
| 1819 | repo_id.into(), |
| 1820 | branch.into(), |
| 1821 | after.into(), |
| 1822 | ])? |
| 1823 | .all() |
| 1824 | .await? |
| 1825 | .results::<MovedRow>()?, |
| 1826 | ); |
| 1827 | } |
| 1828 | // What each now changes, so overlaps show while the work is under way. |
| 1829 | for moved in &pulls { |
| 1830 | if let Some(pull) = self.pull_by_id(&moved.id).await? { |
| 1831 | self.refresh_files(&pull).await?; |
| 1832 | } |
| 1833 | } |
| 1834 | // A merge that was waiting for this push to bring it up to date. |
| 1835 | for moved in &pulls { |
| 1836 | self.land_if_requested(&moved.id).await?; |
| 1837 | } |
| 1838 | // Whether each still merges cleanly, and, when a default branch |
| 1839 | // moved, every open pull request into it. |
| 1840 | let moved_ids: Vec<String> = pulls.iter().map(|pull| pull.id.clone()).collect(); |
| 1841 | self.after_push(repo_id, event.data["defaultBranch"].as_bool() == Some(true), &moved_ids) |
| 1842 | .await; |
| 1843 | // A draft is announced when it is marked ready instead. |
| 1844 | for pull in pulls |
| 1845 | .into_iter() |
| 1846 | .filter(|pull| pull.status == PullStatus::Open) |
| 1847 | { |
| 1848 | self.publish_as( |
| 1849 | "pull.updated", |
| 1850 | &pull.repo_id, |
| 1851 | event.actor.clone(), |
| 1852 | PullEvent { |
| 1853 | pull_id: pull.id, |
| 1854 | repo_id: pull.repo_id.clone(), |
| 1855 | number: pull.number, |
| 1856 | issue: pull.issue_number, |
| 1857 | commit: Some(after.to_owned()), |
| 1858 | ..PullEvent::default() |
| 1859 | }, |
| 1860 | ) |
| 1861 | .await?; |
| 1862 | } |
| 1863 | Ok(()) |
| 1864 | } |
| 1865 | } |
| 1866 | |
| 1867 | fn service(env: &Env) -> Result<Work> { |
| 1868 | Ok(Work { |
| 1869 | db: env.d1("DB")?, |
| 1870 | identity: env.service("IDENTITY")?, |
| 1871 | repos: env.service("REPOS")?, |
| 1872 | events: env.service("EVENTS")?, |
| 1873 | actions: env.service("ACTIONS")?, |
| 1874 | }) |
| 1875 | } |
| 1876 | |
| 1877 | #[event(fetch)] |
| 1878 | async fn fetch(mut request: Request, env: Env, _ctx: Context) -> Result<Response> { |
| 1879 | let Some(method) = rpc_method(&request) else { |
| 1880 | return Response::error("Not found", 404); |
| 1881 | }; |
| 1882 | let body: serde_json::Value = request.json().await?; |
| 1883 | let work = service(&env)?; |
| 1884 | |
| 1885 | match method.as_str() { |
| 1886 | "open_issue" => reply(&work.open_issue(args(body)?).await?), |
| 1887 | "list_issues" => reply(&work.list_issues(args(body)?).await?), |
| 1888 | "get_issue" => reply(&work.get_issue(args(body)?).await?), |
| 1889 | "update_issue" => reply(&work.update_issue(args(body)?).await?), |
| 1890 | "close_issue" => reply(&work.close_issue(args(body)?).await?), |
| 1891 | "reopen_issue" => reply(&work.reopen_issue(args(body)?).await?), |
| 1892 | "list_labels" => reply(&work.list_labels(args(body)?).await?), |
| 1893 | "counts" => reply(&work.counts(args(body)?).await?), |
| 1894 | "add_comment" => reply(&work.add_comment(args(body)?).await?), |
| 1895 | "start_checks" => reply(&work.start_checks(args(body)?).await?), |
| 1896 | "report_checks" => reply(&work.report_checks(args(body)?).await?), |
| 1897 | "set_commit_status" => reply(&work.set_commit_status(args(body)?).await?), |
| 1898 | "start_review" => reply(&work.start_review(args(body)?).await?), |
| 1899 | "advance" => reply(&work.advance(args(body)?).await?), |
| 1900 | "stall" => reply(&work.stall(args(body)?).await?), |
| 1901 | "managed_pulls" => reply(&work.managed_pulls(args(body)?).await?), |
| 1902 | "queue" => reply(&work.queue(args(body)?).await?), |
| 1903 | "queue_build" => reply(&work.queue_build(args(body)?).await?), |
| 1904 | "report_queue" => reply(&work.report_queue(args(body)?).await?), |
| 1905 | "remove_from_queue" => reply(&work.remove_from_queue(args(body)?).await?), |
| 1906 | "message_agent" => reply(&work.message_agent(args(body)?).await?), |
| 1907 | "locate_pull" => reply(&work.locate_pull(args(body)?).await?), |
| 1908 | "answer_message" => reply(&work.answer_message(args(body)?).await?), |
| 1909 | "take_messages" => reply(&work.take_messages(args(body)?).await?), |
| 1910 | "wake_for_messages" => reply(&work.wake_for_messages(args(body)?).await?), |
| 1911 | "catch_up_job" => reply(&work.catch_up_job(args(body)?).await?), |
| 1912 | "get_settings" => reply(&work.get_settings(args(body)?).await?), |
| 1913 | "update_settings" => reply(&work.update_settings(args(body)?).await?), |
| 1914 | "report_review" => reply(&work.report_review(args(body)?).await?), |
| 1915 | "open_pull" => reply(&work.open_pull(args(body)?).await?), |
| 1916 | "list_pulls" => reply(&work.list_pulls(args(body)?).await?), |
| 1917 | "get_pull" => reply(&work.get_pull(args(body)?).await?), |
| 1918 | "update_pull" => reply(&work.update_pull(args(body)?).await?), |
| 1919 | "catch_up_pull" => reply(&work.catch_up_pull(args(body)?).await?), |
| 1920 | "ready_pull" => reply(&work.ready_pull(args(body)?).await?), |
| 1921 | "close_pull" => reply(&work.close_pull(args(body)?).await?), |
| 1922 | "merge_pull" => reply(&work.merge_pull(args(body)?).await?), |
| 1923 | "list_active_pulls" => reply(&work.list_active_pulls(args(body)?).await?), |
| 1924 | "by_author" => reply(&work.by_author(args(body)?).await?), |
| 1925 | "start_plan" => reply(&work.start_plan(args(body)?).await?), |
| 1926 | "report_plan" => reply(&work.report_plan(args(body)?).await?), |
| 1927 | "get_plan" => reply(&work.get_plan(args(body)?).await?), |
| 1928 | "list_plans" => reply(&work.list_plans(args(body)?).await?), |
| 1929 | "apply_plan" => reply(&work.apply_plan(args(body)?).await?), |
| 1930 | "queue_issue" => reply(&work.queue_issue(args(body)?).await?), |
| 1931 | "ready_issues" => reply(&work.ready_issues(args(body)?).await?), |
| 1932 | "list_assigned_issues" => reply(&work.list_assigned_issues(args(body)?).await?), |
| 1933 | "append_session" => reply(&work.append_session(args(body)?).await?), |
| 1934 | "read_session" => reply(&work.read_session(args(body)?).await?), |
| 1935 | // Agents at work, their sessions, and memory (runs.rs, memory.rs). |
| 1936 | "open_run" => reply(&work.open_run(args(body)?).await?), |
| 1937 | "report_run" => reply(&work.report_run(args(body)?).await?), |
| 1938 | "stop_run" => reply(&work.stop_run(args(body)?).await?), |
| 1939 | "list_runs" => reply(&work.list_runs(args(body)?).await?), |
| 1940 | "get_run" => reply(&work.get_run(args(body)?).await?), |
| 1941 | "list_sessions" => reply(&work.list_sessions(args(body)?).await?), |
| 1942 | "get_session" => reply(&work.get_session(args(body)?).await?), |
| 1943 | "list_memories" => reply(&work.list_memories(args(body)?).await?), |
| 1944 | "add_memory" => reply(&work.add_memory(args(body)?).await?), |
| 1945 | "update_memory" => reply(&work.update_memory(args(body)?).await?), |
| 1946 | "delete_memory" => reply(&work.delete_memory(args(body)?).await?), |
| 1947 | "recall" => reply(&work.recall(args(body)?).await?), |
| 1948 | "memory_context" => reply(&work.memory_context(args(body)?).await?), |
| 1949 | // What agents may do in a sandbox (guardrails.rs). |
| 1950 | "get_guardrails" => reply(&work.get_guardrails(args(body)?).await?), |
| 1951 | "update_guardrails" => reply(&work.update_guardrails(args(body)?).await?), |
| 1952 | "run_guardrails" => reply(&work.run_guardrails(args(body)?).await?), |
| 1953 | "start_mergecheck" => reply(&work.start_mergecheck(args(body)?).await?), |
| 1954 | "report_mergecheck" => reply(&work.report_mergecheck(args(body)?).await?), |
| 1955 | // Memory that fills itself, and its review queue (capture.rs). |
| 1956 | method if capture::METHODS.contains(&method) => capture::dispatch(&work, method, body).await, |
| 1957 | // @g1t-agent in comments, and the label rule (mentions.rs). |
| 1958 | "take_mention" => reply(&work.take_mention(args(body)?).await?), |
| 1959 | "mention_revision" => reply(&work.mention_revision(args(body)?).await?), |
| 1960 | "reply_mention" => reply(&work.reply_mention(args(body)?).await?), |
| 1961 | "get_agent_rules" => reply(&work.get_agent_rules(args(body)?).await?), |
| 1962 | "set_agent_rules" => reply(&work.set_agent_rules(args(body)?).await?), |
| 1963 | _ => Response::error("Unknown method", 404), |
| 1964 | } |
| 1965 | } |
| 1966 | |
| 1967 | /// Events from the bus, delivered on this service's own queue. |
| 1968 | #[event(queue)] |
| 1969 | async fn queue(batch: MessageBatch<Event>, env: Env, _ctx: Context) -> Result<()> { |
| 1970 | let work = service(&env)?; |
| 1971 | for message in batch.messages()? { |
| 1972 | // A workspace renamed: its agent runs and memory move to the slug it has now. |
| 1973 | if g1t_kit::rename::on_event(&env, &env.d1("DB")?, message.body(), &[memory::RENAMED, guardrails::RENAMED].concat()).await? { |
| 1974 | message.ack(); |
| 1975 | continue; |
| 1976 | } |
| 1977 | capture::on_event(&work, message.body()).await; |
| 1978 | work.on_event(message.body()).await?; |
| 1979 | message.ack(); |
| 1980 | } |
| 1981 | Ok(()) |
| 1982 | } |