@@ -0,0 +1,147 @@ |
| 1 | +// SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | + |
| 3 | +package jobs |
| 4 | + |
| 5 | +import ( |
| 6 | + "context" |
| 7 | + "encoding/json" |
| 8 | + "errors" |
| 9 | + "fmt" |
| 10 | + "log/slog" |
| 11 | + |
| 12 | + "github.com/jackc/pgx/v5" |
| 13 | + "github.com/jackc/pgx/v5/pgxpool" |
| 14 | + |
| 15 | + "github.com/tenseleyFlow/shithub/internal/infra/storage" |
| 16 | + "github.com/tenseleyFlow/shithub/internal/pulls" |
| 17 | + pullsdb "github.com/tenseleyFlow/shithub/internal/pulls/sqlc" |
| 18 | + reposdb "github.com/tenseleyFlow/shithub/internal/repos/sqlc" |
| 19 | + usersdb "github.com/tenseleyFlow/shithub/internal/users/sqlc" |
| 20 | + "github.com/tenseleyFlow/shithub/internal/worker" |
| 21 | +) |
| 22 | + |
| 23 | +// PRJobsDeps are shared by the three PR job handlers. |
| 24 | +type PRJobsDeps struct { |
| 25 | + Pool *pgxpool.Pool |
| 26 | + RepoFS *storage.RepoFS |
| 27 | + Logger *slog.Logger |
| 28 | +} |
| 29 | + |
| 30 | +// PRSynchronizePayload — enqueued from push:process for any open PR |
| 31 | +// whose head_repo_id+head_ref match the pushed ref. |
| 32 | +type PRSynchronizePayload struct { |
| 33 | + PRID int64 `json:"pr_id"` |
| 34 | +} |
| 35 | + |
| 36 | +// PRSynchronize refreshes commits + files for a PR and queues a |
| 37 | +// mergeability recompute. |
| 38 | +func PRSynchronize(deps PRJobsDeps) worker.Handler { |
| 39 | + return func(ctx context.Context, raw json.RawMessage) error { |
| 40 | + var p PRSynchronizePayload |
| 41 | + if err := json.Unmarshal(raw, &p); err != nil { |
| 42 | + return worker.PoisonError(fmt.Errorf("bad payload: %w", err)) |
| 43 | + } |
| 44 | + if p.PRID == 0 { |
| 45 | + return worker.PoisonError(errors.New("missing pr_id")) |
| 46 | + } |
| 47 | + gitDir, err := resolveGitDirForPR(ctx, deps.Pool, deps.RepoFS, p.PRID) |
| 48 | + if err != nil { |
| 49 | + return err |
| 50 | + } |
| 51 | + if err := pulls.Synchronize(ctx, pulls.Deps{Pool: deps.Pool, Logger: deps.Logger}, gitDir, p.PRID); err != nil { |
| 52 | + return err |
| 53 | + } |
| 54 | + // Chain a mergeability tick. |
| 55 | + if _, err := worker.Enqueue(ctx, deps.Pool, worker.KindPRMergeability, |
| 56 | + map[string]any{"pr_id": p.PRID}, worker.EnqueueOptions{}); err != nil { |
| 57 | + deps.Logger.WarnContext(ctx, "pr:synchronize: enqueue mergeability", "pr_id", p.PRID, "error", err) |
| 58 | + } |
| 59 | + _ = worker.Notify(ctx, deps.Pool) |
| 60 | + return nil |
| 61 | + } |
| 62 | +} |
| 63 | + |
| 64 | +// PRMergeabilityPayload — enqueued from synchronize and from PR |
| 65 | +// open. Recomputes the merge-tree probe. |
| 66 | +type PRMergeabilityPayload struct { |
| 67 | + PRID int64 `json:"pr_id"` |
| 68 | +} |
| 69 | + |
| 70 | +// PRMergeability runs `git merge-tree --write-tree` and persists the |
| 71 | +// result. |
| 72 | +func PRMergeability(deps PRJobsDeps) worker.Handler { |
| 73 | + return func(ctx context.Context, raw json.RawMessage) error { |
| 74 | + var p PRMergeabilityPayload |
| 75 | + if err := json.Unmarshal(raw, &p); err != nil { |
| 76 | + return worker.PoisonError(fmt.Errorf("bad payload: %w", err)) |
| 77 | + } |
| 78 | + if p.PRID == 0 { |
| 79 | + return worker.PoisonError(errors.New("missing pr_id")) |
| 80 | + } |
| 81 | + gitDir, err := resolveGitDirForPR(ctx, deps.Pool, deps.RepoFS, p.PRID) |
| 82 | + if err != nil { |
| 83 | + return err |
| 84 | + } |
| 85 | + return pulls.Mergeability(ctx, pulls.Deps{Pool: deps.Pool, Logger: deps.Logger}, gitDir, p.PRID) |
| 86 | + } |
| 87 | +} |
| 88 | + |
| 89 | +// PRMergePayload — enqueued from the POST .../merge handler. Contains |
| 90 | +// the actor + chosen method + optional subject/body overrides. |
| 91 | +type PRMergePayload struct { |
| 92 | + PRID int64 `json:"pr_id"` |
| 93 | + ActorUserID int64 `json:"actor_user_id"` |
| 94 | + Method string `json:"method"` |
| 95 | + Subject string `json:"subject,omitempty"` |
| 96 | + Body string `json:"body,omitempty"` |
| 97 | +} |
| 98 | + |
| 99 | +// PRMerge performs the requested merge strategy and updates DB state. |
| 100 | +func PRMerge(deps PRJobsDeps) worker.Handler { |
| 101 | + return func(ctx context.Context, raw json.RawMessage) error { |
| 102 | + var p PRMergePayload |
| 103 | + if err := json.Unmarshal(raw, &p); err != nil { |
| 104 | + return worker.PoisonError(fmt.Errorf("bad payload: %w", err)) |
| 105 | + } |
| 106 | + if p.PRID == 0 || p.Method == "" { |
| 107 | + return worker.PoisonError(errors.New("missing pr_id or method")) |
| 108 | + } |
| 109 | + gitDir, err := resolveGitDirForPR(ctx, deps.Pool, deps.RepoFS, p.PRID) |
| 110 | + if err != nil { |
| 111 | + return err |
| 112 | + } |
| 113 | + return pulls.Merge(ctx, pulls.Deps{Pool: deps.Pool, Logger: deps.Logger}, pulls.MergeParams{ |
| 114 | + PRID: p.PRID, |
| 115 | + ActorUserID: p.ActorUserID, |
| 116 | + GitDir: gitDir, |
| 117 | + Method: p.Method, |
| 118 | + Subject: p.Subject, |
| 119 | + Body: p.Body, |
| 120 | + }) |
| 121 | + } |
| 122 | +} |
| 123 | + |
| 124 | +// resolveGitDirForPR turns a PR id into the bare-repo path on disk |
| 125 | +// using the repo + owner-user lookups. Cached per-call only; the |
| 126 | +// caller's job-level context bounds the work. |
| 127 | +func resolveGitDirForPR(ctx context.Context, pool *pgxpool.Pool, rfs *storage.RepoFS, prID int64) (string, error) { |
| 128 | + pr, err := pullsdb.New().GetPullRequestByIssueID(ctx, pool, prID) |
| 129 | + if err != nil { |
| 130 | + if errors.Is(err, pgx.ErrNoRows) { |
| 131 | + return "", worker.PoisonError(fmt.Errorf("pr %d not found", prID)) |
| 132 | + } |
| 133 | + return "", err |
| 134 | + } |
| 135 | + repo, err := reposdb.New().GetRepoByID(ctx, pool, pr.HeadRepoID) |
| 136 | + if err != nil { |
| 137 | + return "", err |
| 138 | + } |
| 139 | + if !repo.OwnerUserID.Valid { |
| 140 | + return "", worker.PoisonError(fmt.Errorf("pr %d: repo has no owner user (org owners not yet supported here)", prID)) |
| 141 | + } |
| 142 | + owner, err := usersdb.New().GetUserByID(ctx, pool, repo.OwnerUserID.Int64) |
| 143 | + if err != nil { |
| 144 | + return "", err |
| 145 | + } |
| 146 | + return rfs.RepoPath(owner.Username, repo.Name) |
| 147 | +} |