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import ( "cmp" "database/sql" "errors" "fmt" "maps" "slices" "sort" "strings" "time"
"github.com/bluesky-social/indigo/atproto/syntax" "tangled.org/core/appview/models" "tangled.org/core/appview/pagination" "tangled.org/core/orm")
func NewPull(tx *sql.Tx, pull *models.Pull) error { _, err := tx.Exec(` insert or ignore into repo_pull_seqs (repo_at, next_pull_id) values (?, 1) `, pull.RepoAt) if err != nil { return err }
var nextId int err = tx.QueryRow(` update repo_pull_seqs set next_pull_id = next_pull_id + 1 where repo_at = ? returning next_pull_id - 1 `, pull.RepoAt).Scan(&nextId) if err != nil { return err }
pull.PullId = nextId pull.State = models.PullOpen
var sourceBranch, sourceRepoAt *string if pull.PullSource != nil { sourceBranch = &pull.PullSource.Branch if pull.PullSource.RepoAt != nil { x := pull.PullSource.RepoAt.String() sourceRepoAt = &x } }
var stackId, changeId, parentChangeId *string if pull.StackId != "" { stackId = &pull.StackId } if pull.ChangeId != "" { changeId = &pull.ChangeId } if pull.ParentChangeId != "" { parentChangeId = &pull.ParentChangeId }
result, err := tx.Exec( ` insert into pulls ( repo_at, owner_did, pull_id, title, target_branch, body, rkey, state, source_branch, source_repo_at, stack_id, change_id, parent_change_id ) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`, pull.RepoAt, pull.OwnerDid, pull.PullId, pull.Title, pull.TargetBranch, pull.Body, pull.Rkey, pull.State, sourceBranch, sourceRepoAt, stackId, changeId, parentChangeId, ) if err != nil { return err }
// Set the database primary key ID id, err := result.LastInsertId() if err != nil { return err } pull.ID = int(id)
_, err = tx.Exec(` insert into pull_submissions (pull_at, round_number, patch, combined, source_rev) values (?, ?, ?, ?, ?) `, pull.AtUri(), 0, pull.Submissions[0].Patch, pull.Submissions[0].Combined, pull.Submissions[0].SourceRev) if err != nil { return err }
if err := putReferences(tx, pull.AtUri(), pull.References); err != nil { return fmt.Errorf("put reference_links: %w", err) }
return nil}
func GetPullAt(e Execer, repoAt syntax.ATURI, pullId int) (syntax.ATURI, error) { pull, err := GetPull(e, repoAt, pullId) if err != nil { return "", err } return pull.AtUri(), err}
func NextPullId(e Execer, repoAt syntax.ATURI) (int, error) { var pullId int err := e.QueryRow(`select next_pull_id from repo_pull_seqs where repo_at = ?`, repoAt).Scan(&pullId) return pullId - 1, err}
func GetPullsPaginated(e Execer, page pagination.Page, filters ...orm.Filter) ([]*models.Pull, error) { pulls := make(map[syntax.ATURI]*models.Pull)
var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") } pageClause := "" if page.Limit != 0 { pageClause = fmt.Sprintf( " limit %d offset %d ", page.Limit, page.Offset, ) }
query := fmt.Sprintf(` select id, owner_did, repo_at, pull_id, created, title, state, target_branch, body, rkey, source_branch, source_repo_at, stack_id, change_id, parent_change_id from pulls %s order by created desc %s `, whereClause, pageClause)
rows, err := e.Query(query, args...) if err != nil { return nil, err } defer rows.Close()
for rows.Next() { var pull models.Pull var createdAt string var sourceBranch, sourceRepoAt, stackId, changeId, parentChangeId sql.NullString err := rows.Scan( &pull.ID, &pull.OwnerDid, &pull.RepoAt, &pull.PullId, &createdAt, &pull.Title, &pull.State, &pull.TargetBranch, &pull.Body, &pull.Rkey, &sourceBranch, &sourceRepoAt, &stackId, &changeId, &parentChangeId, ) if err != nil { return nil, err }
createdTime, err := time.Parse(time.RFC3339, createdAt) if err != nil { return nil, err } pull.Created = createdTime
if sourceBranch.Valid { pull.PullSource = &models.PullSource{ Branch: sourceBranch.String, } if sourceRepoAt.Valid { sourceRepoAtParsed, err := syntax.ParseATURI(sourceRepoAt.String) if err != nil { return nil, err } pull.PullSource.RepoAt = &sourceRepoAtParsed } }
if stackId.Valid { pull.StackId = stackId.String } if changeId.Valid { pull.ChangeId = changeId.String } if parentChangeId.Valid { pull.ParentChangeId = parentChangeId.String }
pulls[pull.AtUri()] = &pull }
var pullAts []syntax.ATURI for _, p := range pulls { pullAts = append(pullAts, p.AtUri()) } submissionsMap, err := GetPullSubmissions(e, orm.FilterIn("pull_at", pullAts)) if err != nil { return nil, fmt.Errorf("failed to get submissions: %w", err) }
for pullAt, submissions := range submissionsMap { if p, ok := pulls[pullAt]; ok { p.Submissions = submissions } }
// collect allLabels for each issue allLabels, err := GetLabels(e, orm.FilterIn("subject", pullAts)) if err != nil { return nil, fmt.Errorf("failed to query labels: %w", err) } for pullAt, labels := range allLabels { if p, ok := pulls[pullAt]; ok { p.Labels = labels } }
// collect pull source for all pulls that need it var sourceAts []syntax.ATURI for _, p := range pulls { if p.PullSource != nil && p.PullSource.RepoAt != nil { sourceAts = append(sourceAts, *p.PullSource.RepoAt) } } sourceRepos, err := GetRepos(e, 0, orm.FilterIn("at_uri", sourceAts)) if err != nil && !errors.Is(err, sql.ErrNoRows) { return nil, fmt.Errorf("failed to get source repos: %w", err) } sourceRepoMap := make(map[syntax.ATURI]*models.Repo) for _, r := range sourceRepos { sourceRepoMap[r.RepoAt()] = &r } for _, p := range pulls { if p.PullSource != nil && p.PullSource.RepoAt != nil { if sourceRepo, ok := sourceRepoMap[*p.PullSource.RepoAt]; ok { p.PullSource.Repo = sourceRepo } } }
allReferences, err := GetReferencesAll(e, orm.FilterIn("from_at", pullAts)) if err != nil { return nil, fmt.Errorf("failed to query reference_links: %w", err) } for pullAt, references := range allReferences { if pull, ok := pulls[pullAt]; ok { pull.References = references } }
orderedByPullId := []*models.Pull{} for _, p := range pulls { orderedByPullId = append(orderedByPullId, p) } sort.Slice(orderedByPullId, func(i, j int) bool { return orderedByPullId[i].PullId > orderedByPullId[j].PullId })
return orderedByPullId, nil}
func GetPulls(e Execer, filters ...orm.Filter) ([]*models.Pull, error) { return GetPullsPaginated(e, pagination.Page{}, filters...)}
func GetPull(e Execer, repoAt syntax.ATURI, pullId int) (*models.Pull, error) { pulls, err := GetPullsPaginated(e, pagination.Page{Limit: 1}, orm.FilterEq("repo_at", repoAt), orm.FilterEq("pull_id", pullId)) if err != nil { return nil, err } if len(pulls) == 0 { return nil, sql.ErrNoRows }
return pulls[0], nil}
// mapping from pull -> pull submissionsfunc GetPullSubmissions(e Execer, filters ...orm.Filter) (map[syntax.ATURI][]*models.PullSubmission, error) { var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
query := fmt.Sprintf(` select id, pull_at, round_number, patch, combined, created, source_rev from pull_submissions %s order by round_number asc `, whereClause)
rows, err := e.Query(query, args...) if err != nil { return nil, err } defer rows.Close()
submissionMap := make(map[int]*models.PullSubmission)
for rows.Next() { var submission models.PullSubmission var submissionCreatedStr string var submissionSourceRev, submissionCombined sql.NullString err := rows.Scan( &submission.ID, &submission.PullAt, &submission.RoundNumber, &submission.Patch, &submissionCombined, &submissionCreatedStr, &submissionSourceRev, ) if err != nil { return nil, err }
if t, err := time.Parse(time.RFC3339, submissionCreatedStr); err == nil { submission.Created = t }
if submissionSourceRev.Valid { submission.SourceRev = submissionSourceRev.String }
if submissionCombined.Valid { submission.Combined = submissionCombined.String }
submissionMap[submission.ID] = &submission }
if err := rows.Err(); err != nil { return nil, err }
// Get comments for all submissions using GetPullComments submissionIds := slices.Collect(maps.Keys(submissionMap)) comments, err := GetPullComments(e, orm.FilterIn("submission_id", submissionIds)) if err != nil { return nil, fmt.Errorf("failed to get pull comments: %w", err) } for _, comment := range comments { if submission, ok := submissionMap[comment.SubmissionId]; ok { submission.Comments = append(submission.Comments, comment) } }
// group the submissions by pull_at m := make(map[syntax.ATURI][]*models.PullSubmission) for _, s := range submissionMap { m[s.PullAt] = append(m[s.PullAt], s) }
// sort each one by round number for _, s := range m { slices.SortFunc(s, func(a, b *models.PullSubmission) int { return cmp.Compare(a.RoundNumber, b.RoundNumber) }) }
return m, nil}
func GetPullComments(e Execer, filters ...orm.Filter) ([]models.PullComment, error) { var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
query := fmt.Sprintf(` select id, pull_id, submission_id, repo_at, owner_did, comment_at, body, created from pull_comments %s order by created asc `, whereClause)
rows, err := e.Query(query, args...) if err != nil { return nil, err } defer rows.Close()
commentMap := make(map[string]*models.PullComment) for rows.Next() { var comment models.PullComment var createdAt string err := rows.Scan( &comment.ID, &comment.PullId, &comment.SubmissionId, &comment.RepoAt, &comment.OwnerDid, &comment.CommentAt, &comment.Body, &createdAt, ) if err != nil { return nil, err }
if t, err := time.Parse(time.RFC3339, createdAt); err == nil { comment.Created = t }
atUri := comment.AtUri().String() commentMap[atUri] = &comment }
if err := rows.Err(); err != nil { return nil, err }
// collect references for each comments commentAts := slices.Collect(maps.Keys(commentMap)) allReferencs, err := GetReferencesAll(e, orm.FilterIn("from_at", commentAts)) if err != nil { return nil, fmt.Errorf("failed to query reference_links: %w", err) } for commentAt, references := range allReferencs { if comment, ok := commentMap[commentAt.String()]; ok { comment.References = references } }
var comments []models.PullComment for _, c := range commentMap { comments = append(comments, *c) }
sort.Slice(comments, func(i, j int) bool { return comments[i].Created.Before(comments[j].Created) })
return comments, nil}
// timeframe here is directly passed into the sql query filter, and any// timeframe in the past should be negative; e.g.: "-3 months"func GetPullsByOwnerDid(e Execer, did, timeframe string) ([]models.Pull, error) { var pulls []models.Pull
rows, err := e.Query(` select p.owner_did, p.repo_at, p.pull_id, p.created, p.title, p.state, r.did, r.name, r.knot, r.rkey, r.created from pulls p join repos r on p.repo_at = r.at_uri where p.owner_did = ? and p.created >= date ('now', ?) order by p.created desc`, did, timeframe) if err != nil { return nil, err } defer rows.Close()
for rows.Next() { var pull models.Pull var repo models.Repo var pullCreatedAt, repoCreatedAt string err := rows.Scan( &pull.OwnerDid, &pull.RepoAt, &pull.PullId, &pullCreatedAt, &pull.Title, &pull.State, &repo.Did, &repo.Name, &repo.Knot, &repo.Rkey, &repoCreatedAt, ) if err != nil { return nil, err }
pullCreatedTime, err := time.Parse(time.RFC3339, pullCreatedAt) if err != nil { return nil, err } pull.Created = pullCreatedTime
repoCreatedTime, err := time.Parse(time.RFC3339, repoCreatedAt) if err != nil { return nil, err } repo.Created = repoCreatedTime
pull.Repo = &repo
pulls = append(pulls, pull) }
if err := rows.Err(); err != nil { return nil, err }
return pulls, nil}
func NewPullComment(tx *sql.Tx, comment *models.PullComment) (int64, error) { query := `insert into pull_comments (owner_did, repo_at, submission_id, comment_at, pull_id, body) values (?, ?, ?, ?, ?, ?)` res, err := tx.Exec( query, comment.OwnerDid, comment.RepoAt, comment.SubmissionId, comment.CommentAt, comment.PullId, comment.Body, ) if err != nil { return 0, err }
i, err := res.LastInsertId() if err != nil { return 0, err }
if err := putReferences(tx, comment.AtUri(), comment.References); err != nil { return 0, fmt.Errorf("put reference_links: %w", err) }
return i, nil}
func SetPullState(e Execer, repoAt syntax.ATURI, pullId int, pullState models.PullState) error { _, err := e.Exec( `update pulls set state = ? where repo_at = ? and pull_id = ? and (state <> ? or state <> ?)`, pullState, repoAt, pullId, models.PullDeleted, // only update state of non-deleted pulls models.PullMerged, // only update state of non-merged pulls ) return err}
func ClosePull(e Execer, repoAt syntax.ATURI, pullId int) error { err := SetPullState(e, repoAt, pullId, models.PullClosed) return err}
func ReopenPull(e Execer, repoAt syntax.ATURI, pullId int) error { err := SetPullState(e, repoAt, pullId, models.PullOpen) return err}
func MergePull(e Execer, repoAt syntax.ATURI, pullId int) error { err := SetPullState(e, repoAt, pullId, models.PullMerged) return err}
func DeletePull(e Execer, repoAt syntax.ATURI, pullId int) error { err := SetPullState(e, repoAt, pullId, models.PullDeleted) return err}
func ResubmitPull(e Execer, pullAt syntax.ATURI, newRoundNumber int, newPatch string, combinedPatch string, newSourceRev string) error { _, err := e.Exec(` insert into pull_submissions (pull_at, round_number, patch, combined, source_rev) values (?, ?, ?, ?, ?) `, pullAt, newRoundNumber, newPatch, combinedPatch, newSourceRev)
return err}
func SetPullParentChangeId(e Execer, parentChangeId string, filters ...orm.Filter) error { var conditions []string var args []any
args = append(args, parentChangeId)
for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
query := fmt.Sprintf("update pulls set parent_change_id = ? %s", whereClause) _, err := e.Exec(query, args...)
return err}
// Only used when stacking to update contents in the event of a rebase (the interdiff should be empty).// otherwise submissions are immutablefunc UpdatePull(e Execer, newPatch, sourceRev string, filters ...orm.Filter) error { var conditions []string var args []any
args = append(args, sourceRev) args = append(args, newPatch)
for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
query := fmt.Sprintf("update pull_submissions set source_rev = ?, patch = ? %s", whereClause) _, err := e.Exec(query, args...)
return err}
func GetPullCount(e Execer, repoAt syntax.ATURI) (models.PullCount, error) { row := e.QueryRow(` select count(case when state = ? then 1 end) as open_count, count(case when state = ? then 1 end) as merged_count, count(case when state = ? then 1 end) as closed_count, count(case when state = ? then 1 end) as deleted_count from pulls where repo_at = ?`, models.PullOpen, models.PullMerged, models.PullClosed, models.PullDeleted, repoAt, )
var count models.PullCount if err := row.Scan(&count.Open, &count.Merged, &count.Closed, &count.Deleted); err != nil { return models.PullCount{Open: 0, Merged: 0, Closed: 0, Deleted: 0}, err }
return count, nil}
// change-id parent-change-id//// 4 w ,-------- z (TOP)// 3 z <----',------- y// 2 y <-----',------ x// 1 x <------' nil (BOT)//// `w` is parent of none, so it is the top of the stackfunc GetStack(e Execer, stackId string) (models.Stack, error) { unorderedPulls, err := GetPulls( e, orm.FilterEq("stack_id", stackId), orm.FilterNotEq("state", models.PullDeleted), ) if err != nil { return nil, err } // map of parent-change-id to pull changeIdMap := make(map[string]*models.Pull, len(unorderedPulls)) parentMap := make(map[string]*models.Pull, len(unorderedPulls)) for _, p := range unorderedPulls { changeIdMap[p.ChangeId] = p if p.ParentChangeId != "" { parentMap[p.ParentChangeId] = p } }
// the top of the stack is the pull that is not a parent of any pull var topPull *models.Pull for _, maybeTop := range unorderedPulls { if _, ok := parentMap[maybeTop.ChangeId]; !ok { topPull = maybeTop break } }
pulls := []*models.Pull{} for { pulls = append(pulls, topPull) if topPull.ParentChangeId != "" { if next, ok := changeIdMap[topPull.ParentChangeId]; ok { topPull = next } else { return nil, fmt.Errorf("failed to find parent pull request, stack is malformed") } } else { break } }
return pulls, nil}
func GetAbandonedPulls(e Execer, stackId string) ([]*models.Pull, error) { pulls, err := GetPulls( e, orm.FilterEq("stack_id", stackId), orm.FilterEq("state", models.PullDeleted), ) if err != nil { return nil, err }
return pulls, nil}