kot.pink
1package db
2
3import (
4 "context"
5 "database/sql"
6 "fmt"
7 "log/slog"
8 "reflect"
9 "strings"
10
11 _ "github.com/mattn/go-sqlite3"
12 "tangled.org/core/log"
13)
14
15type DB struct {
16 *sql.DB
17 logger *slog.Logger
18}
19
20type Execer interface {
21 Query(query string, args ...any) (*sql.Rows, error)
22 QueryContext(ctx context.Context, query string, args ...any) (*sql.Rows, error)
23 QueryRow(query string, args ...any) *sql.Row
24 QueryRowContext(ctx context.Context, query string, args ...any) *sql.Row
25 Exec(query string, args ...any) (sql.Result, error)
26 ExecContext(ctx context.Context, query string, args ...any) (sql.Result, error)
27 Prepare(query string) (*sql.Stmt, error)
28 PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
29}
30
31func Make(ctx context.Context, dbPath string) (*DB, error) {
32 // https://github.com/mattn/go-sqlite3#connection-string
33 opts := []string{
34 "_foreign_keys=1",
35 "_journal_mode=WAL",
36 "_synchronous=NORMAL",
37 "_auto_vacuum=incremental",
38 }
39
40 logger := log.FromContext(ctx)
41 logger = log.SubLogger(logger, "db")
42
43 db, err := sql.Open("sqlite3", dbPath+"?"+strings.Join(opts, "&"))
44 if err != nil {
45 return nil, err
46 }
47
48 conn, err := db.Conn(ctx)
49 if err != nil {
50 return nil, err
51 }
52 defer conn.Close()
53
54 _, err = conn.ExecContext(ctx, `
55 create table if not exists registrations (
56 id integer primary key autoincrement,
57 domain text not null unique,
58 did text not null,
59 secret text not null,
60 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
61 registered text
62 );
63 create table if not exists public_keys (
64 id integer primary key autoincrement,
65 did text not null,
66 name text not null,
67 key text not null,
68 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
69 unique(did, name, key)
70 );
71 create table if not exists repos (
72 id integer primary key autoincrement,
73 did text not null,
74 name text not null,
75 knot text not null,
76 rkey text not null,
77 at_uri text not null unique,
78 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
79 unique(did, name, knot, rkey)
80 );
81 create table if not exists collaborators (
82 id integer primary key autoincrement,
83 did text not null,
84 repo integer not null,
85 foreign key (repo) references repos(id) on delete cascade
86 );
87 create table if not exists follows (
88 user_did text not null,
89 subject_did text not null,
90 rkey text not null,
91 followed_at text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
92 primary key (user_did, subject_did),
93 check (user_did <> subject_did)
94 );
95 create table if not exists issues (
96 id integer primary key autoincrement,
97 owner_did text not null,
98 repo_at text not null,
99 issue_id integer not null,
100 title text not null,
101 body text not null,
102 open integer not null default 1,
103 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
104 issue_at text,
105 unique(repo_at, issue_id),
106 foreign key (repo_at) references repos(at_uri) on delete cascade
107 );
108 create table if not exists comments (
109 id integer primary key autoincrement,
110 owner_did text not null,
111 issue_id integer not null,
112 repo_at text not null,
113 comment_id integer not null,
114 comment_at text not null,
115 body text not null,
116 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
117 unique(issue_id, comment_id),
118 foreign key (repo_at, issue_id) references issues(repo_at, issue_id) on delete cascade
119 );
120 create table if not exists pulls (
121 -- identifiers
122 id integer primary key autoincrement,
123 pull_id integer not null,
124
125 -- at identifiers
126 repo_at text not null,
127 owner_did text not null,
128 rkey text not null,
129 pull_at text,
130
131 -- content
132 title text not null,
133 body text not null,
134 target_branch text not null,
135 state integer not null default 0 check (state in (0, 1, 2)), -- open, merged, closed
136
137 -- meta
138 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
139
140 -- constraints
141 unique(repo_at, pull_id),
142 foreign key (repo_at) references repos(at_uri) on delete cascade
143 );
144
145 -- every pull must have atleast 1 submission: the initial submission
146 create table if not exists pull_submissions (
147 -- identifiers
148 id integer primary key autoincrement,
149 pull_id integer not null,
150
151 -- at identifiers
152 repo_at text not null,
153
154 -- content, these are immutable, and require a resubmission to update
155 round_number integer not null default 0,
156 patch text,
157
158 -- meta
159 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
160
161 -- constraints
162 unique(repo_at, pull_id, round_number),
163 foreign key (repo_at, pull_id) references pulls(repo_at, pull_id) on delete cascade
164 );
165
166 create table if not exists pull_comments (
167 -- identifiers
168 id integer primary key autoincrement,
169 pull_id integer not null,
170 submission_id integer not null,
171
172 -- at identifiers
173 repo_at text not null,
174 owner_did text not null,
175 comment_at text not null,
176
177 -- content
178 body text not null,
179
180 -- meta
181 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
182
183 -- constraints
184 foreign key (repo_at, pull_id) references pulls(repo_at, pull_id) on delete cascade,
185 foreign key (submission_id) references pull_submissions(id) on delete cascade
186 );
187
188 create table if not exists _jetstream (
189 id integer primary key autoincrement,
190 last_time_us integer not null
191 );
192
193 create table if not exists repo_issue_seqs (
194 repo_at text primary key,
195 next_issue_id integer not null default 1
196 );
197
198 create table if not exists repo_pull_seqs (
199 repo_at text primary key,
200 next_pull_id integer not null default 1
201 );
202
203 create table if not exists stars (
204 id integer primary key autoincrement,
205 starred_by_did text not null,
206 repo_at text not null,
207 rkey text not null,
208 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
209 foreign key (repo_at) references repos(at_uri) on delete cascade,
210 unique(starred_by_did, repo_at)
211 );
212
213 create table if not exists reactions (
214 id integer primary key autoincrement,
215 reacted_by_did text not null,
216 thread_at text not null,
217 kind text not null,
218 rkey text not null,
219 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
220 unique(reacted_by_did, thread_at, kind)
221 );
222
223 create table if not exists emails (
224 id integer primary key autoincrement,
225 did text not null,
226 email text not null,
227 verified integer not null default 0,
228 verification_code text not null,
229 last_sent text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
230 is_primary integer not null default 0,
231 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
232 unique(did, email)
233 );
234
235 create table if not exists artifacts (
236 -- id
237 id integer primary key autoincrement,
238 did text not null,
239 rkey text not null,
240
241 -- meta
242 repo_at text not null,
243 tag binary(20) not null,
244 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
245
246 -- data
247 blob_cid text not null,
248 name text not null,
249 size integer not null default 0,
250 mimetype string not null default "*/*",
251
252 -- constraints
253 unique(did, rkey), -- record must be unique
254 unique(repo_at, tag, name), -- for a given tag object, each file must be unique
255 foreign key (repo_at) references repos(at_uri) on delete cascade
256 );
257
258 create table if not exists profile (
259 -- id
260 id integer primary key autoincrement,
261 did text not null,
262
263 -- data
264 description text not null,
265 include_bluesky integer not null default 0,
266 location text,
267
268 -- constraints
269 unique(did)
270 );
271 create table if not exists profile_links (
272 -- id
273 id integer primary key autoincrement,
274 did text not null,
275
276 -- data
277 link text not null,
278
279 -- constraints
280 foreign key (did) references profile(did) on delete cascade
281 );
282 create table if not exists profile_stats (
283 -- id
284 id integer primary key autoincrement,
285 did text not null,
286
287 -- data
288 kind text not null check (kind in (
289 "merged-pull-request-count",
290 "closed-pull-request-count",
291 "open-pull-request-count",
292 "open-issue-count",
293 "closed-issue-count",
294 "repository-count"
295 )),
296
297 -- constraints
298 foreign key (did) references profile(did) on delete cascade
299 );
300 create table if not exists profile_pinned_repositories (
301 -- id
302 id integer primary key autoincrement,
303 did text not null,
304
305 -- data
306 at_uri text not null,
307
308 -- constraints
309 unique(did, at_uri),
310 foreign key (did) references profile(did) on delete cascade,
311 foreign key (at_uri) references repos(at_uri) on delete cascade
312 );
313
314 create table if not exists oauth_requests (
315 id integer primary key autoincrement,
316 auth_server_iss text not null,
317 state text not null,
318 did text not null,
319 handle text not null,
320 pds_url text not null,
321 pkce_verifier text not null,
322 dpop_auth_server_nonce text not null,
323 dpop_private_jwk text not null
324 );
325
326 create table if not exists oauth_sessions (
327 id integer primary key autoincrement,
328 did text not null,
329 handle text not null,
330 pds_url text not null,
331 auth_server_iss text not null,
332 access_jwt text not null,
333 refresh_jwt text not null,
334 dpop_pds_nonce text,
335 dpop_auth_server_nonce text not null,
336 dpop_private_jwk text not null,
337 expiry text not null
338 );
339
340 create table if not exists punchcard (
341 did text not null,
342 date text not null, -- yyyy-mm-dd
343 count integer,
344 primary key (did, date)
345 );
346
347 create table if not exists spindles (
348 id integer primary key autoincrement,
349 owner text not null,
350 instance text not null,
351 verified text, -- time of verification
352 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
353
354 unique(owner, instance)
355 );
356
357 create table if not exists spindle_members (
358 -- identifiers for the record
359 id integer primary key autoincrement,
360 did text not null,
361 rkey text not null,
362
363 -- data
364 instance text not null,
365 subject text not null,
366 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
367
368 -- constraints
369 unique (did, instance, subject)
370 );
371
372 create table if not exists pipelines (
373 -- identifiers
374 id integer primary key autoincrement,
375 knot text not null,
376 rkey text not null,
377
378 repo_owner text not null,
379 repo_name text not null,
380
381 -- every pipeline must be associated with exactly one commit
382 sha text not null check (length(sha) = 40),
383 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
384
385 -- trigger data
386 trigger_id integer not null,
387
388 unique(knot, rkey),
389 foreign key (trigger_id) references triggers(id) on delete cascade
390 );
391
392 create table if not exists triggers (
393 -- primary key
394 id integer primary key autoincrement,
395
396 -- top-level fields
397 kind text not null,
398
399 -- pushTriggerData fields
400 push_ref text,
401 push_new_sha text check (length(push_new_sha) = 40),
402 push_old_sha text check (length(push_old_sha) = 40),
403
404 -- pullRequestTriggerData fields
405 pr_source_branch text,
406 pr_target_branch text,
407 pr_source_sha text check (length(pr_source_sha) = 40),
408 pr_action text
409 );
410
411 create table if not exists pipeline_statuses (
412 -- identifiers
413 id integer primary key autoincrement,
414 spindle text not null,
415 rkey text not null,
416
417 -- referenced pipeline. these form the (did, rkey) pair
418 pipeline_knot text not null,
419 pipeline_rkey text not null,
420
421 -- content
422 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
423 workflow text not null,
424 status text not null,
425 error text,
426 exit_code integer not null default 0,
427
428 unique (spindle, rkey),
429 foreign key (pipeline_knot, pipeline_rkey)
430 references pipelines (knot, rkey)
431 on delete cascade
432 );
433
434 create table if not exists repo_languages (
435 -- identifiers
436 id integer primary key autoincrement,
437
438 -- repo identifiers
439 repo_at text not null,
440 ref text not null,
441 is_default_ref integer not null default 0,
442
443 -- language breakdown
444 language text not null,
445 bytes integer not null check (bytes >= 0),
446
447 unique(repo_at, ref, language)
448 );
449
450 create table if not exists signups_inflight (
451 id integer primary key autoincrement,
452 email text not null unique,
453 invite_code text not null,
454 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now'))
455 );
456
457 create table if not exists strings (
458 -- identifiers
459 did text not null,
460 rkey text not null,
461
462 -- content
463 filename text not null,
464 description text,
465 content text not null,
466 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
467 edited text,
468
469 primary key (did, rkey)
470 );
471
472 create table if not exists label_definitions (
473 -- identifiers
474 id integer primary key autoincrement,
475 did text not null,
476 rkey text not null,
477 at_uri text generated always as ('at://' || did || '/' || 'sh.tangled.label.definition' || '/' || rkey) stored,
478
479 -- content
480 name text not null,
481 value_type text not null check (value_type in (
482 "null",
483 "boolean",
484 "integer",
485 "string"
486 )),
487 value_format text not null default "any",
488 value_enum text, -- comma separated list
489 scope text not null, -- comma separated list of nsid
490 color text,
491 multiple integer not null default 0,
492 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
493
494 -- constraints
495 unique (did, rkey)
496 unique (at_uri)
497 );
498
499 -- ops are flattened, a record may contain several additions and deletions, but the table will include one row per add/del
500 create table if not exists label_ops (
501 -- identifiers
502 id integer primary key autoincrement,
503 did text not null,
504 rkey text not null,
505 at_uri text generated always as ('at://' || did || '/' || 'sh.tangled.label.op' || '/' || rkey) stored,
506
507 -- content
508 subject text not null,
509 operation text not null check (operation in ("add", "del")),
510 operand_key text not null,
511 operand_value text not null,
512 -- we need two time values: performed is declared by the user, indexed is calculated by the av
513 performed text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
514 indexed text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
515
516 -- constraints
517 -- traditionally (did, rkey) pair should be unique, but not in this case
518 -- operand_key should reference a label definition
519 foreign key (operand_key) references label_definitions (at_uri) on delete cascade,
520 unique (did, rkey, subject, operand_key, operand_value)
521 );
522
523 create table if not exists repo_labels (
524 -- identifiers
525 id integer primary key autoincrement,
526
527 -- repo identifiers
528 repo_at text not null,
529
530 -- label to subscribe to
531 label_at text not null,
532
533 unique (repo_at, label_at)
534 );
535
536 create table if not exists notifications (
537 id integer primary key autoincrement,
538 recipient_did text not null,
539 actor_did text not null,
540 type text not null,
541 entity_type text not null,
542 entity_id text not null,
543 read integer not null default 0,
544 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
545 repo_id integer references repos(id),
546 issue_id integer references issues(id),
547 pull_id integer references pulls(id)
548 );
549
550 create table if not exists notification_preferences (
551 id integer primary key autoincrement,
552 user_did text not null unique,
553 repo_starred integer not null default 1,
554 issue_created integer not null default 1,
555 issue_commented integer not null default 1,
556 pull_created integer not null default 1,
557 pull_commented integer not null default 1,
558 followed integer not null default 1,
559 pull_merged integer not null default 1,
560 issue_closed integer not null default 1,
561 email_notifications integer not null default 0
562 );
563
564 create table if not exists migrations (
565 id integer primary key autoincrement,
566 name text unique
567 );
568
569 -- indexes for better performance
570 create index if not exists idx_notifications_recipient_created on notifications(recipient_did, created desc);
571 create index if not exists idx_notifications_recipient_read on notifications(recipient_did, read);
572 create index if not exists idx_stars_created on stars(created);
573 create index if not exists idx_stars_repo_at_created on stars(repo_at, created);
574 `)
575 if err != nil {
576 return nil, err
577 }
578
579 // run migrations
580 runMigration(conn, logger, "add-description-to-repos", func(tx *sql.Tx) error {
581 tx.Exec(`
582 alter table repos add column description text check (length(description) <= 200);
583 `)
584 return nil
585 })
586
587 runMigration(conn, logger, "add-rkey-to-pubkeys", func(tx *sql.Tx) error {
588 // add unconstrained column
589 _, err := tx.Exec(`
590 alter table public_keys
591 add column rkey text;
592 `)
593 if err != nil {
594 return err
595 }
596
597 // backfill
598 _, err = tx.Exec(`
599 update public_keys
600 set rkey = ''
601 where rkey is null;
602 `)
603 if err != nil {
604 return err
605 }
606
607 return nil
608 })
609
610 runMigration(conn, logger, "add-rkey-to-comments", func(tx *sql.Tx) error {
611 _, err := tx.Exec(`
612 alter table comments drop column comment_at;
613 alter table comments add column rkey text;
614 `)
615 return err
616 })
617
618 runMigration(conn, logger, "add-deleted-and-edited-to-issue-comments", func(tx *sql.Tx) error {
619 _, err := tx.Exec(`
620 alter table comments add column deleted text; -- timestamp
621 alter table comments add column edited text; -- timestamp
622 `)
623 return err
624 })
625
626 runMigration(conn, logger, "add-source-info-to-pulls-and-submissions", func(tx *sql.Tx) error {
627 _, err := tx.Exec(`
628 alter table pulls add column source_branch text;
629 alter table pulls add column source_repo_at text;
630 alter table pull_submissions add column source_rev text;
631 `)
632 return err
633 })
634
635 runMigration(conn, logger, "add-source-to-repos", func(tx *sql.Tx) error {
636 _, err := tx.Exec(`
637 alter table repos add column source text;
638 `)
639 return err
640 })
641
642 // disable foreign-keys for the next migration
643 // NOTE: this cannot be done in a transaction, so it is run outside [0]
644 //
645 // [0]: https://sqlite.org/pragma.html#pragma_foreign_keys
646 conn.ExecContext(ctx, "pragma foreign_keys = off;")
647 runMigration(conn, logger, "recreate-pulls-column-for-stacking-support", func(tx *sql.Tx) error {
648 _, err := tx.Exec(`
649 create table pulls_new (
650 -- identifiers
651 id integer primary key autoincrement,
652 pull_id integer not null,
653
654 -- at identifiers
655 repo_at text not null,
656 owner_did text not null,
657 rkey text not null,
658
659 -- content
660 title text not null,
661 body text not null,
662 target_branch text not null,
663 state integer not null default 0 check (state in (0, 1, 2, 3)), -- closed, open, merged, deleted
664
665 -- source info
666 source_branch text,
667 source_repo_at text,
668
669 -- stacking
670 stack_id text,
671 change_id text,
672 parent_change_id text,
673
674 -- meta
675 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
676
677 -- constraints
678 unique(repo_at, pull_id),
679 foreign key (repo_at) references repos(at_uri) on delete cascade
680 );
681
682 insert into pulls_new (
683 id, pull_id,
684 repo_at, owner_did, rkey,
685 title, body, target_branch, state,
686 source_branch, source_repo_at,
687 created
688 )
689 select
690 id, pull_id,
691 repo_at, owner_did, rkey,
692 title, body, target_branch, state,
693 source_branch, source_repo_at,
694 created
695 FROM pulls;
696
697 drop table pulls;
698 alter table pulls_new rename to pulls;
699 `)
700 return err
701 })
702 conn.ExecContext(ctx, "pragma foreign_keys = on;")
703
704 runMigration(conn, logger, "add-spindle-to-repos", func(tx *sql.Tx) error {
705 tx.Exec(`
706 alter table repos add column spindle text;
707 `)
708 return nil
709 })
710
711 // drop all knot secrets, add unique constraint to knots
712 //
713 // knots will henceforth use service auth for signed requests
714 runMigration(conn, logger, "no-more-secrets", func(tx *sql.Tx) error {
715 _, err := tx.Exec(`
716 create table registrations_new (
717 id integer primary key autoincrement,
718 domain text not null,
719 did text not null,
720 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
721 registered text,
722 read_only integer not null default 0,
723 unique(domain, did)
724 );
725
726 insert into registrations_new (id, domain, did, created, registered, read_only)
727 select id, domain, did, created, registered, 1 from registrations
728 where registered is not null;
729
730 drop table registrations;
731 alter table registrations_new rename to registrations;
732 `)
733 return err
734 })
735
736 // recreate and add rkey + created columns with default constraint
737 runMigration(conn, logger, "rework-collaborators-table", func(tx *sql.Tx) error {
738 // create new table
739 // - repo_at instead of repo integer
740 // - rkey field
741 // - created field
742 _, err := tx.Exec(`
743 create table collaborators_new (
744 -- identifiers for the record
745 id integer primary key autoincrement,
746 did text not null,
747 rkey text,
748
749 -- content
750 subject_did text not null,
751 repo_at text not null,
752
753 -- meta
754 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
755
756 -- constraints
757 foreign key (repo_at) references repos(at_uri) on delete cascade
758 )
759 `)
760 if err != nil {
761 return err
762 }
763
764 // copy data
765 _, err = tx.Exec(`
766 insert into collaborators_new (id, did, rkey, subject_did, repo_at)
767 select
768 c.id,
769 r.did,
770 '',
771 c.did,
772 r.at_uri
773 from collaborators c
774 join repos r on c.repo = r.id
775 `)
776 if err != nil {
777 return err
778 }
779
780 // drop old table
781 _, err = tx.Exec(`drop table collaborators`)
782 if err != nil {
783 return err
784 }
785
786 // rename new table
787 _, err = tx.Exec(`alter table collaborators_new rename to collaborators`)
788 return err
789 })
790
791 runMigration(conn, logger, "add-rkey-to-issues", func(tx *sql.Tx) error {
792 _, err := tx.Exec(`
793 alter table issues add column rkey text not null default '';
794
795 -- get last url section from issue_at and save to rkey column
796 update issues
797 set rkey = replace(issue_at, rtrim(issue_at, replace(issue_at, '/', '')), '');
798 `)
799 return err
800 })
801
802 // repurpose the read-only column to "needs-upgrade"
803 runMigration(conn, logger, "rename-registrations-read-only-to-needs-upgrade", func(tx *sql.Tx) error {
804 _, err := tx.Exec(`
805 alter table registrations rename column read_only to needs_upgrade;
806 `)
807 return err
808 })
809
810 // require all knots to upgrade after the release of total xrpc
811 runMigration(conn, logger, "migrate-knots-to-total-xrpc", func(tx *sql.Tx) error {
812 _, err := tx.Exec(`
813 update registrations set needs_upgrade = 1;
814 `)
815 return err
816 })
817
818 // require all knots to upgrade after the release of total xrpc
819 runMigration(conn, logger, "migrate-spindles-to-xrpc-owner", func(tx *sql.Tx) error {
820 _, err := tx.Exec(`
821 alter table spindles add column needs_upgrade integer not null default 0;
822 `)
823 return err
824 })
825
826 // remove issue_at from issues and replace with generated column
827 //
828 // this requires a full table recreation because stored columns
829 // cannot be added via alter
830 //
831 // couple other changes:
832 // - columns renamed to be more consistent
833 // - adds edited and deleted fields
834 //
835 // disable foreign-keys for the next migration
836 conn.ExecContext(ctx, "pragma foreign_keys = off;")
837 runMigration(conn, logger, "remove-issue-at-from-issues", func(tx *sql.Tx) error {
838 _, err := tx.Exec(`
839 create table if not exists issues_new (
840 -- identifiers
841 id integer primary key autoincrement,
842 did text not null,
843 rkey text not null,
844 at_uri text generated always as ('at://' || did || '/' || 'sh.tangled.repo.issue' || '/' || rkey) stored,
845
846 -- at identifiers
847 repo_at text not null,
848
849 -- content
850 issue_id integer not null,
851 title text not null,
852 body text not null,
853 open integer not null default 1,
854 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
855 edited text, -- timestamp
856 deleted text, -- timestamp
857
858 unique(did, rkey),
859 unique(repo_at, issue_id),
860 unique(at_uri),
861 foreign key (repo_at) references repos(at_uri) on delete cascade
862 );
863 `)
864 if err != nil {
865 return err
866 }
867
868 // transfer data
869 _, err = tx.Exec(`
870 insert into issues_new (id, did, rkey, repo_at, issue_id, title, body, open, created)
871 select
872 i.id,
873 i.owner_did,
874 i.rkey,
875 i.repo_at,
876 i.issue_id,
877 i.title,
878 i.body,
879 i.open,
880 i.created
881 from issues i;
882 `)
883 if err != nil {
884 return err
885 }
886
887 // drop old table
888 _, err = tx.Exec(`drop table issues`)
889 if err != nil {
890 return err
891 }
892
893 // rename new table
894 _, err = tx.Exec(`alter table issues_new rename to issues`)
895 return err
896 })
897 conn.ExecContext(ctx, "pragma foreign_keys = on;")
898
899 // - renames the comments table to 'issue_comments'
900 // - rework issue comments to update constraints:
901 // * unique(did, rkey)
902 // * remove comment-id and just use the global ID
903 // * foreign key (repo_at, issue_id)
904 // - new columns
905 // * column "reply_to" which can be any other comment
906 // * column "at-uri" which is a generated column
907 runMigration(conn, logger, "rework-issue-comments", func(tx *sql.Tx) error {
908 _, err := tx.Exec(`
909 create table if not exists issue_comments (
910 -- identifiers
911 id integer primary key autoincrement,
912 did text not null,
913 rkey text,
914 at_uri text generated always as ('at://' || did || '/' || 'sh.tangled.repo.issue.comment' || '/' || rkey) stored,
915
916 -- at identifiers
917 issue_at text not null,
918 reply_to text, -- at_uri of parent comment
919
920 -- content
921 body text not null,
922 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
923 edited text,
924 deleted text,
925
926 -- constraints
927 unique(did, rkey),
928 unique(at_uri),
929 foreign key (issue_at) references issues(at_uri) on delete cascade
930 );
931 `)
932 if err != nil {
933 return err
934 }
935
936 // transfer data
937 _, err = tx.Exec(`
938 insert into issue_comments (id, did, rkey, issue_at, body, created, edited, deleted)
939 select
940 c.id,
941 c.owner_did,
942 c.rkey,
943 i.at_uri, -- get at_uri from issues table
944 c.body,
945 c.created,
946 c.edited,
947 c.deleted
948 from comments c
949 join issues i on c.repo_at = i.repo_at and c.issue_id = i.issue_id;
950 `)
951 if err != nil {
952 return err
953 }
954
955 // drop old table
956 _, err = tx.Exec(`drop table comments`)
957 return err
958 })
959
960 // add generated at_uri column to pulls table
961 //
962 // this requires a full table recreation because stored columns
963 // cannot be added via alter
964 //
965 // disable foreign-keys for the next migration
966 conn.ExecContext(ctx, "pragma foreign_keys = off;")
967 runMigration(conn, logger, "add-at-uri-to-pulls", func(tx *sql.Tx) error {
968 _, err := tx.Exec(`
969 create table if not exists pulls_new (
970 -- identifiers
971 id integer primary key autoincrement,
972 pull_id integer not null,
973 at_uri text generated always as ('at://' || owner_did || '/' || 'sh.tangled.repo.pull' || '/' || rkey) stored,
974
975 -- at identifiers
976 repo_at text not null,
977 owner_did text not null,
978 rkey text not null,
979
980 -- content
981 title text not null,
982 body text not null,
983 target_branch text not null,
984 state integer not null default 0 check (state in (0, 1, 2, 3)), -- closed, open, merged, deleted
985
986 -- source info
987 source_branch text,
988 source_repo_at text,
989
990 -- stacking
991 stack_id text,
992 change_id text,
993 parent_change_id text,
994
995 -- meta
996 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
997
998 -- constraints
999 unique(repo_at, pull_id),
1000 unique(at_uri),
1001 foreign key (repo_at) references repos(at_uri) on delete cascade
1002 );
1003 `)
1004 if err != nil {
1005 return err
1006 }
1007
1008 // transfer data
1009 _, err = tx.Exec(`
1010 insert into pulls_new (
1011 id, pull_id, repo_at, owner_did, rkey,
1012 title, body, target_branch, state,
1013 source_branch, source_repo_at,
1014 stack_id, change_id, parent_change_id,
1015 created
1016 )
1017 select
1018 id, pull_id, repo_at, owner_did, rkey,
1019 title, body, target_branch, state,
1020 source_branch, source_repo_at,
1021 stack_id, change_id, parent_change_id,
1022 created
1023 from pulls;
1024 `)
1025 if err != nil {
1026 return err
1027 }
1028
1029 // drop old table
1030 _, err = tx.Exec(`drop table pulls`)
1031 if err != nil {
1032 return err
1033 }
1034
1035 // rename new table
1036 _, err = tx.Exec(`alter table pulls_new rename to pulls`)
1037 return err
1038 })
1039 conn.ExecContext(ctx, "pragma foreign_keys = on;")
1040
1041 // remove repo_at and pull_id from pull_submissions and replace with pull_at
1042 //
1043 // this requires a full table recreation because stored columns
1044 // cannot be added via alter
1045 //
1046 // disable foreign-keys for the next migration
1047 conn.ExecContext(ctx, "pragma foreign_keys = off;")
1048 runMigration(conn, logger, "remove-repo-at-pull-id-from-pull-submissions", func(tx *sql.Tx) error {
1049 _, err := tx.Exec(`
1050 create table if not exists pull_submissions_new (
1051 -- identifiers
1052 id integer primary key autoincrement,
1053 pull_at text not null,
1054
1055 -- content, these are immutable, and require a resubmission to update
1056 round_number integer not null default 0,
1057 patch text,
1058 source_rev text,
1059
1060 -- meta
1061 created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
1062
1063 -- constraints
1064 unique(pull_at, round_number),
1065 foreign key (pull_at) references pulls(at_uri) on delete cascade
1066 );
1067 `)
1068 if err != nil {
1069 return err
1070 }
1071
1072 // transfer data, constructing pull_at from pulls table
1073 _, err = tx.Exec(`
1074 insert into pull_submissions_new (id, pull_at, round_number, patch, created)
1075 select
1076 ps.id,
1077 'at://' || p.owner_did || '/sh.tangled.repo.pull/' || p.rkey,
1078 ps.round_number,
1079 ps.patch,
1080 ps.created
1081 from pull_submissions ps
1082 join pulls p on ps.repo_at = p.repo_at and ps.pull_id = p.pull_id;
1083 `)
1084 if err != nil {
1085 return err
1086 }
1087
1088 // drop old table
1089 _, err = tx.Exec(`drop table pull_submissions`)
1090 if err != nil {
1091 return err
1092 }
1093
1094 // rename new table
1095 _, err = tx.Exec(`alter table pull_submissions_new rename to pull_submissions`)
1096 return err
1097 })
1098 conn.ExecContext(ctx, "pragma foreign_keys = on;")
1099
1100 return &DB{
1101 db,
1102 logger,
1103 }, nil
1104}
1105
1106type migrationFn = func(*sql.Tx) error
1107
1108func runMigration(c *sql.Conn, logger *slog.Logger, name string, migrationFn migrationFn) error {
1109 logger = logger.With("migration", name)
1110
1111 tx, err := c.BeginTx(context.Background(), nil)
1112 if err != nil {
1113 return err
1114 }
1115 defer tx.Rollback()
1116
1117 var exists bool
1118 err = tx.QueryRow("select exists (select 1 from migrations where name = ?)", name).Scan(&exists)
1119 if err != nil {
1120 return err
1121 }
1122
1123 if !exists {
1124 // run migration
1125 err = migrationFn(tx)
1126 if err != nil {
1127 logger.Error("failed to run migration", "err", err)
1128 return err
1129 }
1130
1131 // mark migration as complete
1132 _, err = tx.Exec("insert into migrations (name) values (?)", name)
1133 if err != nil {
1134 logger.Error("failed to mark migration as complete", "err", err)
1135 return err
1136 }
1137
1138 // commit the transaction
1139 if err := tx.Commit(); err != nil {
1140 return err
1141 }
1142
1143 logger.Info("migration applied successfully")
1144 } else {
1145 logger.Warn("skipped migration, already applied")
1146 }
1147
1148 return nil
1149}
1150
1151func (d *DB) Close() error {
1152 return d.DB.Close()
1153}
1154
1155type filter struct {
1156 key string
1157 arg any
1158 cmp string
1159}
1160
1161func newFilter(key, cmp string, arg any) filter {
1162 return filter{
1163 key: key,
1164 arg: arg,
1165 cmp: cmp,
1166 }
1167}
1168
1169func FilterEq(key string, arg any) filter { return newFilter(key, "=", arg) }
1170func FilterNotEq(key string, arg any) filter { return newFilter(key, "<>", arg) }
1171func FilterGte(key string, arg any) filter { return newFilter(key, ">=", arg) }
1172func FilterLte(key string, arg any) filter { return newFilter(key, "<=", arg) }
1173func FilterIs(key string, arg any) filter { return newFilter(key, "is", arg) }
1174func FilterIsNot(key string, arg any) filter { return newFilter(key, "is not", arg) }
1175func FilterIn(key string, arg any) filter { return newFilter(key, "in", arg) }
1176func FilterLike(key string, arg any) filter { return newFilter(key, "like", arg) }
1177func FilterNotLike(key string, arg any) filter { return newFilter(key, "not like", arg) }
1178func FilterContains(key string, arg any) filter {
1179 return newFilter(key, "like", fmt.Sprintf("%%%v%%", arg))
1180}
1181
1182func (f filter) Condition() string {
1183 rv := reflect.ValueOf(f.arg)
1184 kind := rv.Kind()
1185
1186 // if we have `FilterIn(k, [1, 2, 3])`, compile it down to `k in (?, ?, ?)`
1187 if (kind == reflect.Slice && rv.Type().Elem().Kind() != reflect.Uint8) || kind == reflect.Array {
1188 if rv.Len() == 0 {
1189 // always false
1190 return "1 = 0"
1191 }
1192
1193 placeholders := make([]string, rv.Len())
1194 for i := range placeholders {
1195 placeholders[i] = "?"
1196 }
1197
1198 return fmt.Sprintf("%s %s (%s)", f.key, f.cmp, strings.Join(placeholders, ", "))
1199 }
1200
1201 return fmt.Sprintf("%s %s ?", f.key, f.cmp)
1202}
1203
1204func (f filter) Arg() []any {
1205 rv := reflect.ValueOf(f.arg)
1206 kind := rv.Kind()
1207 if (kind == reflect.Slice && rv.Type().Elem().Kind() != reflect.Uint8) || kind == reflect.Array {
1208 if rv.Len() == 0 {
1209 return nil
1210 }
1211
1212 out := make([]any, rv.Len())
1213 for i := range rv.Len() {
1214 out[i] = rv.Index(i).Interface()
1215 }
1216 return out
1217 }
1218
1219 return []any{f.arg}
1220}