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import ( "database/sql" "fmt" "strings"
"github.com/bluesky-social/indigo/atproto/syntax" "tangled.org/core/api/tangled" "tangled.org/core/appview/models" "tangled.org/core/orm")
// ValidateReferenceLinks resolves refLinks to Issue/PR/Comment ATURIs.// It will ignore missing refLinks.func ValidateReferenceLinks(e Execer, refLinks []models.ReferenceLink) ([]syntax.ATURI, error) { var ( issueRefs []models.ReferenceLink pullRefs []models.ReferenceLink ) for _, ref := range refLinks { switch ref.Kind { case models.RefKindIssue: issueRefs = append(issueRefs, ref) case models.RefKindPull: pullRefs = append(pullRefs, ref) } } issueUris, err := findIssueReferences(e, issueRefs) if err != nil { return nil, fmt.Errorf("find issue references: %w", err) } pullUris, err := findPullReferences(e, pullRefs) if err != nil { return nil, fmt.Errorf("find pull references: %w", err) }
return append(issueUris, pullUris...), nil}
func findIssueReferences(e Execer, refLinks []models.ReferenceLink) ([]syntax.ATURI, error) { if len(refLinks) == 0 { return nil, nil } vals := make([]string, len(refLinks)) args := make([]any, 0, len(refLinks)*4) for i, ref := range refLinks { vals[i] = "(?, ?, ?, ?)" args = append(args, ref.Handle, ref.Repo, ref.SubjectId, ref.CommentRkey) } query := fmt.Sprintf( `with input(owner_did, name, issue_id, comment_id) as ( values %s ) select i.at_uri, c.at_uri from input inp join repos r on r.did = inp.owner_did and r.name = inp.name join issues i on i.repo_did = r.repo_did and i.issue_id = inp.issue_id left join comments c on inp.comment_id is not null and c.subject_uri = i.at_uri and c.id = inp.comment_id `, strings.Join(vals, ","), ) rows, err := e.Query(query, args...) if err != nil { return nil, err } defer rows.Close()
var uris []syntax.ATURI
for rows.Next() { // Scan rows var issueUri string var commentUri sql.NullString var uri syntax.ATURI if err := rows.Scan(&issueUri, &commentUri); err != nil { return nil, err } if commentUri.Valid { uri = syntax.ATURI(commentUri.String) } else { uri = syntax.ATURI(issueUri) } uris = append(uris, uri) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) }
return uris, nil}
func findPullReferences(e Execer, refLinks []models.ReferenceLink) ([]syntax.ATURI, error) { if len(refLinks) == 0 { return nil, nil } vals := make([]string, len(refLinks)) args := make([]any, 0, len(refLinks)*4) for i, ref := range refLinks { vals[i] = "(?, ?, ?, ?)" args = append(args, ref.Handle, ref.Repo, ref.SubjectId, ref.CommentRkey) } query := fmt.Sprintf( `with input(owner_did, name, pull_id, comment_id) as ( values %s ) select p.owner_did, p.rkey, c.at_uri from input inp join repos r on r.did = inp.owner_did and r.name = inp.name join pulls p on p.repo_did = r.repo_did and p.pull_id = inp.pull_id left join comments c on inp.comment_id is not null and c.subject_uri = ('at://' || p.owner_did || '/' || 'sh.tangled.repo.pull' || '/' || p.rkey) and c.id = inp.comment_id `, strings.Join(vals, ","), ) rows, err := e.Query(query, args...) if err != nil { return nil, err } defer rows.Close()
var uris []syntax.ATURI
for rows.Next() { // Scan rows var pullOwner, pullRkey string var commentUri sql.NullString var uri syntax.ATURI if err := rows.Scan(&pullOwner, &pullRkey, &commentUri); err != nil { return nil, err } if commentUri.Valid { // no-op uri = syntax.ATURI(commentUri.String) } else { uri = syntax.ATURI(fmt.Sprintf( "at://%s/%s/%s", pullOwner, tangled.RepoPullNSID, pullRkey, )) } uris = append(uris, uri) } return uris, nil}
func putReferences(tx *sql.Tx, fromAt syntax.ATURI, references []syntax.ATURI) error { err := deleteReferences(tx, fromAt) if err != nil { return fmt.Errorf("delete old reference_links: %w", err) } if len(references) == 0 { return nil }
values := make([]string, 0, len(references)) args := make([]any, 0, len(references)*2) for _, ref := range references { values = append(values, "(?, ?)") args = append(args, fromAt, ref) } _, err = tx.Exec( fmt.Sprintf( `insert into reference_links (from_at, to_at) values %s`, strings.Join(values, ","), ), args..., ) if err != nil { return fmt.Errorf("insert new reference_links: %w", err) } return nil}
func deleteReferences(tx *sql.Tx, fromAt syntax.ATURI) error { _, err := tx.Exec(`delete from reference_links where from_at = ?`, fromAt) return err}
func GetReferencesAll(e Execer, filters ...orm.Filter) (map[syntax.ATURI][]syntax.ATURI, error) { var ( conditions []string 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 ") }
rows, err := e.Query( fmt.Sprintf( `select from_at, to_at from reference_links %s`, whereClause, ), args..., ) if err != nil { return nil, fmt.Errorf("query reference_links: %w", err) } defer rows.Close()
result := make(map[syntax.ATURI][]syntax.ATURI)
for rows.Next() { var from, to syntax.ATURI if err := rows.Scan(&from, &to); err != nil { return nil, fmt.Errorf("scan row: %w", err) }
result[from] = append(result[from], to) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) }
return result, nil}
func GetBacklinks(e Execer, target syntax.ATURI) ([]models.RichReferenceLink, error) { rows, err := e.Query( `select from_at from reference_links where to_at = ? and from_at <> to_at`, target, ) if err != nil { return nil, fmt.Errorf("query backlinks: %w", err) } defer rows.Close()
var ( backlinks []models.RichReferenceLink backlinksMap = make(map[string][]syntax.ATURI) ) for rows.Next() { var from syntax.ATURI if err := rows.Scan(&from); err != nil { return nil, fmt.Errorf("scan row: %w", err) } nsid := from.Collection().String() backlinksMap[nsid] = append(backlinksMap[nsid], from) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) }
var ls []models.RichReferenceLink ls, err = getIssueBacklinks(e, backlinksMap[tangled.RepoIssueNSID]) if err != nil { return nil, fmt.Errorf("get issue backlinks: %w", err) } backlinks = append(backlinks, ls...) ls, err = getPullBacklinks(e, backlinksMap[tangled.RepoPullNSID]) if err != nil { return nil, fmt.Errorf("get pull backlinks: %w", err) } backlinks = append(backlinks, ls...) switch target.Collection() { case tangled.RepoIssueNSID: ls, err = getIssueCommentBacklinks(e, target, backlinksMap[tangled.FeedCommentNSID]) if err != nil { return nil, fmt.Errorf("get issue_comment backlinks: %w", err) } backlinks = append(backlinks, ls...) case tangled.RepoPullNSID: ls, err = getPullCommentBacklinks(e, target, backlinksMap[tangled.FeedCommentNSID]) if err != nil { return nil, fmt.Errorf("get pull_comment backlinks: %w", err) } backlinks = append(backlinks, ls...) }
return backlinks, nil}
func getIssueBacklinks(e Execer, aturis []syntax.ATURI) ([]models.RichReferenceLink, error) { if len(aturis) == 0 { return nil, nil } vals := make([]string, len(aturis)) args := make([]any, 0, len(aturis)*2) for i, aturi := range aturis { vals[i] = "(?, ?)" did := aturi.Authority().String() rkey := aturi.RecordKey().String() args = append(args, did, rkey) } rows, err := e.Query( fmt.Sprintf( `select r.did, r.name, i.issue_id, i.title, i.open from issues i join repos r on r.repo_did = i.repo_did where (i.did, i.rkey) in (%s)`, strings.Join(vals, ","), ), args..., ) if err != nil { return nil, err } defer rows.Close() var refLinks []models.RichReferenceLink for rows.Next() { var l models.RichReferenceLink l.Kind = models.RefKindIssue if err := rows.Scan(&l.Handle, &l.Repo, &l.SubjectId, &l.Title, &l.State); err != nil { return nil, err } refLinks = append(refLinks, l) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) } return refLinks, nil}
func getIssueCommentBacklinks(e Execer, target syntax.ATURI, aturis []syntax.ATURI) ([]models.RichReferenceLink, error) { if len(aturis) == 0 { return nil, nil } filter := orm.FilterIn("c.at_uri", aturis) exclude := orm.FilterNotEq("i.at_uri", target) rows, err := e.Query( fmt.Sprintf( `select r.did, r.name, i.issue_id, c.rkey, i.title, i.open from comments c join issues i on i.at_uri = c.subject_uri join repos r on r.repo_did = i.repo_did where %s and %s`, filter.Condition(), exclude.Condition(), ), append(filter.Arg(), exclude.Arg()...)..., ) if err != nil { return nil, err } defer rows.Close() var refLinks []models.RichReferenceLink for rows.Next() { var l models.RichReferenceLink l.Kind = models.RefKindIssue l.CommentRkey = new(syntax.RecordKey) if err := rows.Scan(&l.Handle, &l.Repo, &l.SubjectId, l.CommentRkey, &l.Title, &l.State); err != nil { return nil, err } refLinks = append(refLinks, l) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) } return refLinks, nil}
func getPullBacklinks(e Execer, aturis []syntax.ATURI) ([]models.RichReferenceLink, error) { if len(aturis) == 0 { return nil, nil } vals := make([]string, len(aturis)) args := make([]any, 0, len(aturis)*2) for i, aturi := range aturis { vals[i] = "(?, ?)" did := aturi.Authority().String() rkey := aturi.RecordKey().String() args = append(args, did, rkey) } rows, err := e.Query( fmt.Sprintf( `select r.did, r.name, p.pull_id, p.title, p.state from pulls p join repos r on r.repo_did = p.repo_did where (p.owner_did, p.rkey) in (%s)`, strings.Join(vals, ","), ), args..., ) if err != nil { return nil, err } defer rows.Close() var refLinks []models.RichReferenceLink for rows.Next() { var l models.RichReferenceLink l.Kind = models.RefKindPull if err := rows.Scan(&l.Handle, &l.Repo, &l.SubjectId, &l.Title, &l.State); err != nil { return nil, err } refLinks = append(refLinks, l) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) } return refLinks, nil}
func getPullCommentBacklinks(e Execer, target syntax.ATURI, aturis []syntax.ATURI) ([]models.RichReferenceLink, error) { if len(aturis) == 0 { return nil, nil } filter := orm.FilterIn("c.at_uri", aturis) exclude := orm.FilterNotEq("p.at_uri", target) rows, err := e.Query( fmt.Sprintf( `select r.did, r.name, p.pull_id, c.rkey, p.title, p.state from repos r join pulls p on r.repo_did = p.repo_did join comments c on ('at://' || p.owner_did || '/' || 'sh.tangled.repo.pull' || '/' || p.rkey) = c.subject_uri where %s and %s`, filter.Condition(), exclude.Condition(), ), append(filter.Arg(), exclude.Arg()...)..., ) if err != nil { return nil, err } defer rows.Close() var refLinks []models.RichReferenceLink for rows.Next() { var l models.RichReferenceLink l.Kind = models.RefKindPull l.CommentRkey = new(syntax.RecordKey) if err := rows.Scan(&l.Handle, &l.Repo, &l.SubjectId, l.CommentRkey, &l.Title, &l.State); err != nil { return nil, err } refLinks = append(refLinks, l) } if err := rows.Err(); err != nil { return nil, fmt.Errorf("iterate rows: %w", err) } return refLinks, nil}