╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ ui.zig ───────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭0c669d48..╮ 0c669d48.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (589) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.zig serve.zig serve_common.zig serve_http.zig serve_ssh.zig serve_ssh_protocol.zig test.zig testnet.zig try.zig ╭─────────────────────────────────╮ │ui.zig │ ╰─────────────────────────────────╯ web.zig
1435 if (std.mem.eql(u8, tab, "settings")) return if (segments.next() == null) .{ .repo_settings = Array(repo_route_max_len).from(pair) orelse return null } else null; 1436 if (std.mem.eql(u8, tab, "auth")) return if (segments.next() == null) .{ .repo_auth = Array(repo_route_max_len).from(pair) orelse return null } else null; 1437 if (std.mem.eql(u8, tab, "refs")) { 1438 const word = params.scanTail(&segments) catch return null; 1439 if (word != null or !params.only(&.{ .branch, .tag, .search })) return null; 1440 const ref = params.ref() catch return null; 1441 const kind: RefKind = if (ref) |r| std.meta.stringToEnum(RefKind, @tagName(r.kind)) orelse return null else .branch; 1442 const from = if (ref) |r| r.value else ""; 1443 return withEncodedSearch(repoRefsRoute(pair, kind, from), params.values.get(.search) orelse ""); 1444 } 1445 if (std.mem.startsWith(u8, tab, issue_seg)) { 1446 const issue_id = tab[issue_seg.len..]; 1447 if (issue_id.len == 0) return null; 1448 if (segments.peek()) |tail| { 1449 if (std.mem.startsWith(u8, tail, comment_seg)) { 1450 _ = segments.next(); 1451 const comment_id = tail[comment_seg.len..]; 1452 if (comment_id.len == 0) return null; 1453 const word = params.scanTail(&segments) catch return null; 1454 if (word) |last| { 1455 if (!params.only(&.{})) return null; 1456 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.issue, pair, issue_id, comment_id); 1457 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.issue, pair, issue_id, comment_id); 1458 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.issue, pair, issue_id, comment_id); 1459 return null; 1460 } 1461 if (!params.only(&.{.start})) return null; 1462 return repoThreadCommentRoute(.issue, pair, issue_id, comment_id, params.start() orelse return null); 1463 } 1464 } 1465 const word = params.scanTail(&segments) catch return null; 1466 if (word) |tail| { 1467 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.issue, pair, issue_id, "") else null; 1468 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.issue, pair, issue_id) else null; 1469 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.issue, pair, issue_id, "") else null; 1470 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.issue, pair, issue_id) else null; 1471 if (std.mem.eql(u8, tail, "resolve")) { 1472 if (!params.only(&.{.theirs})) return null; 1473 return repoIssuesResolveRoute(pair, issue_id, params.values.get(.theirs) orelse ""); 1474 } 1475 return null; 1476 } 1477 if (!params.only(&.{ .start, .label, .search })) return null; 1478 return withEncodedFilters(repoThreadCommentsRoute(.issue, pair, issue_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1479 } 1480 if (std.mem.startsWith(u8, tab, patch_seg)) { 1481 const patch_id = tab[patch_seg.len..]; 1482 if (patch_id.len == 0) return null; 1483 if (segments.peek()) |tail| { 1484 if (std.mem.startsWith(u8, tail, comment_seg)) { 1485 _ = segments.next(); 1486 const comment_id = tail[comment_seg.len..]; 1487 if (comment_id.len == 0) return null; 1488 const word = params.scanTail(&segments) catch return null; 1489 if (word) |last| { 1490 if (!params.only(&.{})) return null; 1491 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.patch, pair, patch_id, comment_id); 1492 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.patch, pair, patch_id, comment_id); 1493 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.patch, pair, patch_id, comment_id); 1494 return null; 1495 } 1496 if (!params.only(&.{.start})) return null; 1497 return repoThreadCommentRoute(.patch, pair, patch_id, comment_id, params.start() orelse return null); 1498 } 1499 } 1500 const word = params.scanTail(&segments) catch return null; 1501 if (word) |tail| { 1502 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.patch, pair, patch_id, "") else null; 1503 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.patch, pair, patch_id) else null; 1504 if (std.mem.eql(u8, tail, "publish")) return if (params.only(&.{})) repoPatchPublishRoute(pair, patch_id) else null; 1505 if (std.mem.eql(u8, tail, "merge")) return if (params.only(&.{})) repoPatchMergeRoute(pair, patch_id) else null; 1506 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.patch, pair, patch_id, "") else null; 1507 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.patch, pair, patch_id) else null; 1508 if (std.mem.eql(u8, tail, "resolve")) { 1509 if (!params.only(&.{.theirs})) return null; 1510 return repoPatchesResolveRoute(pair, patch_id, params.values.get(.theirs) orelse ""); 1511 } 1512 return null; 1513 } 1514 if (!params.only(&.{ .start, .label, .search })) return null; 1515 return withEncodedFilters(repoThreadCommentsRoute(.patch, pair, patch_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1516 } 1517 if (std.mem.startsWith(u8, tab, discuss_seg)) { 1518 const discussion_id = tab[discuss_seg.len..]; 1519 if (discussion_id.len == 0) return null; 1520 if (segments.peek()) |tail| { 1521 if (std.mem.startsWith(u8, tail, comment_seg)) { 1522 _ = segments.next(); 1523 const comment_id = tail[comment_seg.len..]; 1524 if (comment_id.len == 0) return null; 1525 const word = params.scanTail(&segments) catch return null; 1526 if (word) |last| { 1527 if (!params.only(&.{})) return null; 1528 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.discuss, pair, discussion_id, comment_id); 1529 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.discuss, pair, discussion_id, comment_id); 1530 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.discuss, pair, discussion_id, comment_id); 1531 return null; 1532 } 1533 if (!params.only(&.{.start})) return null; 1534 return repoThreadCommentRoute(.discuss, pair, discussion_id, comment_id, params.start() orelse return null); 1535 } 1536 } 1537 const word = params.scanTail(&segments) catch return null; 1538 if (word) |tail| { 1539 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.discuss, pair, discussion_id, "") else null; 1540 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.discuss, pair, discussion_id) else null; 1541 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.discuss, pair, discussion_id, "") else null; 1542 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.discuss, pair, discussion_id) else null; 1543 return null; 1544 } 1545 if (!params.only(&.{ .start, .label, .search })) return null; 1546 return withEncodedFilters(repoThreadCommentsRoute(.discuss, pair, discussion_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1547 } 1548 if (std.mem.eql(u8, tab, "issues")) { 1549 // the word is a list view; a filter with neither is never emitted. 1550 const word = params.scanTail(&segments) catch return null; 1551 const label_value = params.values.get(.label) orelse ""; 1552 const w = word orelse return if (params.only(&.{})) repoIssuesRoute(pair, .open, "", "") else null; 1553 // the conflicts list windows by an issue id, not a number, so it 1554 // reads the start param raw 1555 if (std.mem.eql(u8, w, "conflicts")) { 1556 if (!params.only(&.{.start})) return null; 1557 return repoIssuesConflictsRoute(pair, params.values.get(.start) orelse ""); 1558 } 1559 if (!params.only(&.{ .label, .search })) return null; 1560 const search_value = params.values.get(.search) orelse ""; 1561 if (std.meta.stringToEnum(evt.Issue.Status, w)) |status| return withEncodedSearch(repoIssuesRoute(pair, status, label_value, ""), search_value); 1562 if (std.mem.eql(u8, w, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.issue, pair, label_value), search_value); 1563 if (std.mem.eql(u8, w, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.issue, pair) else null; 1564 return null; 1565 } 1566 if (std.mem.eql(u8, tab, "patches")) { 1567 const word = params.scanTail(&segments) catch return null; 1568 const label_value = params.values.get(.label) orelse ""; 1569 const view = word orelse return if (params.only(&.{})) repoPatchesRoute(pair, .open, "", "") else null; 1570 if (std.mem.eql(u8, view, "conflicts")) { 1571 if (!params.only(&.{.start})) return null; 1572 return repoPatchesConflictsRoute(pair, params.values.get(.start) orelse ""); 1573 } 1574 if (!params.only(&.{ .label, .search })) return null; 1575 const search_value = params.values.get(.search) orelse ""; 1576 if (std.meta.stringToEnum(evt.Patch.StatusKind, view)) |status| return withEncodedSearch(repoPatchesRoute(pair, status, label_value, ""), search_value); 1577 if (std.mem.eql(u8, view, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.patch, pair, label_value), search_value); 1578 if (std.mem.eql(u8, view, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.patch, pair) else null; 1579 if (std.mem.eql(u8, view, "drafts")) return if (label_value.len == 0 and search_value.len == 0) repoPatchesDraftsRoute(pair) else null; 1580 return null; 1581 } 1582 if (std.mem.eql(u8, tab, "discussions")) { 1583 const word = params.scanTail(&segments) catch return null; 1584 const label_value = params.values.get(.label) orelse ""; 1585 const view = word orelse return if (params.only(&.{})) repoDiscussionsRoute(pair, "", "") else null; 1586 if (!params.only(&.{ .label, .search })) return null; 1587 const search_value = params.values.get(.search) orelse ""; 1588 if (std.mem.eql(u8, view, "recent")) return withEncodedSearch(repoDiscussionsRoute(pair, label_value, ""), search_value); 1589 if (std.mem.eql(u8, view, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.discuss, pair, label_value), search_value); 1590 if (std.mem.eql(u8, view, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.discuss, pair) else null; 1591 return null; 1592 } 1593 if (std.mem.eql(u8, tab, "undo")) { 1594 const word = segments.next(); 1595 if (segments.next() != null) return null; 1596 const value = word orelse return repoUndoRoute(pair, null); 1597 if (std.mem.eql(u8, value, "clear")) return repoUndoClearRoute(pair); 1598 return repoUndoRoute(pair, std.fmt.parseInt(u64, value, 10) catch return null); 1599 } 1600 if (std.mem.eql(u8, tab, "events")) { 1601 const word = params.scanTail(&segments) catch return null; 1602 if (!params.only(&.{.moment})) return null; 1603 const view = if (word) |value| std.meta.stringToEnum(EventsView, value) orelse return null else .active; 1604 return repoEventsRoute(pair, view, null, "", params.moment() catch return null); 1605 } 1606 if (std.mem.startsWith(u8, tab, "event:")) { 1607 const event_id = tab["event:".len..]; 1608 const kind_segment = segments.next() orelse return null; 1609 if (!std.mem.startsWith(u8, kind_segment, "kind:")) return null; 1610 const kind = std.meta.stringToEnum(evt.EventKind, kind_segment["kind:".len..]) orelse return null; 1611 if (event_id.len == 0) return null; 1612 params.scanPairs(&segments) catch return null; 1613 if (!params.only(&.{.moment}) or segments.next() != null) return null; 1614 return repoEventsRoute(pair, .active, kind, event_id, params.moment() catch return null); 1615 } 1616 if (std.mem.eql(u8, tab, files_seg)) { 1617 params.scanPairs(&segments) catch return null; 1618 if (params.values.get(.patchrev)) |id| { 1619 if (!params.only(&.{ .line, .patchrev })) return null; 1620 return repoPatchRevFilesRoute(pair, id, pathValue(segments.rest()) orelse return null, params.line() orelse return null); 1621 } 1622 if (!params.only(&.{ .line, .branch, .tag, .object, .find })) return null; 1623 const line = params.line() orelse return null; 1624 const dir = pathValue(segments.rest()) orelse return null; 1625 const find = params.values.get(.find) orelse ""; 1626 const ref = params.ref() catch return null; 1627 // a find route's `path` names the selected result, so unlike a 1628 // directory path it doesn't need a ref beside it 1629 var route = if (ref) |r| 1630 repoFilesRoute(pair, r.kind, r.value, dir, line) orelse return null 1631 else if (dir.len == 0 or find.len != 0) 1632 repoFilesRoute(pair, null, "", "", line) orelse return null 1633 else 1634 return null; 1635 if (find.len != 0) { 1636 route.repo_files.find = Array(find_route_max_len).from(find) orelse return null; 1637 route.repo_files.path = Array(repo_route_max_len).from(dir) orelse return null; 1638 } 1639 return route; 1640 } 1641 if (std.mem.eql(u8, tab, commits_seg)) { 1642 params.scanPairs(&segments) catch return null; 1643 if (params.values.get(.merge)) |oid| { 1644 if (!params.only(&.{.merge}) or segments.next() != null) return null; 1645 return repoCommitsMergeRoute(pair, oid); 1646 } 1647 if (!params.only(&.{ .start, .branch, .tag, .object, .base, .search, .from })) return null; 1648 const base_oid = params.values.get(.base) orelse ""; 1649 const search = params.values.get(.search) orelse ""; 1650 const from = params.values.get(.from) orelse ""; 1651 const start = params.start() orelse return null; 1652 const ref = (params.ref() catch return null) orelse { 1653 if (search.len != 0 or from.len != 0) return null; 1654 const file = pathValue(segments.rest()) orelse return null; 1655 return if (file.len == 0) repoCommitsRoute(pair, null, "", start, "", base_oid) else null; 1656 }; 1657 // the index covers branch and tag tips, so only they can be 1658 // searched or paged by commit; an object roots the list itself 1659 if ((search.len != 0 or from.len != 0) and ref.kind == .object) return null; 1660 // the message page has no diff window or file filter 1661 var route = if (std.mem.eql(u8, segments.rest(), message_seg)) 1662 (if (start == 0) repoCommitMessageRoute(pair, ref.kind, ref.value, base_oid) else null) orelse return null 1663 else 1664 repoCommitsRoute(pair, ref.kind, ref.value, start, pathValue(segments.rest()) orelse return null, base_oid) orelse return null; 1665 if (search.len != 0) route.repo_commits.search = Array(search_route_max_len).from(search) orelse return null; 1666 if (from.len != 0) route.repo_commits.from = Array(ref_route_max_len).from(from) orelse return null; 1667 return route; 1668 } 1669 if (std.mem.eql(u8, tab, "diff")) { 1670 params.scanPairs(&segments) catch return null; 1671 if (params.values.get(.patchrev)) |id| { 1672 if (!params.only(&.{ .start, .patchrev })) return null; 1673 return repoPatchRevDiffRoute(pair, id, params.start() orelse return null, pathValue(segments.rest()) orelse return null); 1674 } 1675 if (!params.only(&.{ .start, .branch, .tag, .object, .base })) return null; 1676 const base_oid = params.values.get(.base) orelse return null; 1677 const start = params.start() orelse return null; 1678 const ref = params.ref() catch return null; 1679 const file = pathValue(segments.rest()) orelse return null; 1680 return repoDiffRoute(pair, if (ref) |r| r.kind else null, if (ref) |r| r.value else "", start, file, base_oid); 1681 } 1682 return null; // unknown sub-path 1683 } 1684 1685 pub fn eql(a: RoutablePage, b: RoutablePage) bool { 1686 if (std.meta.activeTag(a) != std.meta.activeTag(b)) return false; 1687 return switch (a) { 1688 .home_users => |a_start| a_start == b.home_users, 1689 .home_repos => |a_start| a_start == b.home_repos, 1690 .user_repos => |a_u| std.mem.eql(u8, a_u.name.slice(), b.user_repos.name.slice()) and a_u.start == b.user_repos.start, 1691 .user_forks => |a_u| std.mem.eql(u8, a_u.name.slice(), b.user_forks.name.slice()) and a_u.start == b.user_forks.start, 1692 .user_settings => |a_name| std.mem.eql(u8, a_name.slice(), b.user_settings.slice()), 1693 .user_auth => |a_name| std.mem.eql(u8, a_name.slice(), b.user_auth.slice()), 1694 .repo_files => |a_f| std.mem.eql(u8, a_f.name.slice(), b.repo_files.name.slice()) and 1695 a_f.ref_kind == b.repo_files.ref_kind and 1696 std.mem.eql(u8, a_f.ref_value.slice(), b.repo_files.ref_value.slice()) and 1697 std.mem.eql(u8, a_f.patchrev_id.slice(), b.repo_files.patchrev_id.slice()) and 1698 std.mem.eql(u8, a_f.find.slice(), b.repo_files.find.slice()) and 1699 std.mem.eql(u8, a_f.path.slice(), b.repo_files.path.slice()) and 1700 a_f.line == b.repo_files.line, 1701 .repo_commits => |a_c| std.mem.eql(u8, a_c.name.slice(), b.repo_commits.name.slice()) and 1702 a_c.ref_or_oid == b.repo_commits.ref_or_oid and 1703 std.mem.eql(u8, a_c.value.slice(), b.repo_commits.value.slice()) and 1704 std.mem.eql(u8, a_c.base_oid.slice(), b.repo_commits.base_oid.slice()) and 1705 std.mem.eql(u8, a_c.search.slice(), b.repo_commits.search.slice()) and 1706 std.mem.eql(u8, a_c.from.slice(), b.repo_commits.from.slice()) and 1707 std.mem.eql(u8, a_c.merge.slice(), b.repo_commits.merge.slice()) and 1708 switch (a_c.content) { 1709 .diff => |a_d| switch (b.repo_commits.content) { 1710 .diff => |b_d| a_d.start == b_d.start and std.mem.eql(u8, a_d.path.slice(), b_d.path.slice()), 1711 .message => false, 1712 }, 1713 .message => std.meta.activeTag(b.repo_commits.content) == .message, 1714 }, 1715 .repo_diff => |a_d| std.mem.eql(u8, a_d.name.slice(), b.repo_diff.name.slice()) and 1716 a_d.ref_or_oid == b.repo_diff.ref_or_oid and 1717 std.mem.eql(u8, a_d.value.slice(), b.repo_diff.value.slice()) and 1718 std.mem.eql(u8, a_d.base_oid.slice(), b.repo_diff.base_oid.slice()) and 1719 std.mem.eql(u8, a_d.patchrev_id.slice(), b.repo_diff.patchrev_id.slice()) and 1720 a_d.start == b.repo_diff.start and std.mem.eql(u8, a_d.path.slice(), b.repo_diff.path.slice()), 1721 .repo_refs => |a_r| std.mem.eql(u8, a_r.name.slice(), b.repo_refs.name.slice()) and a_r.kind == b.repo_refs.kind and std.mem.eql(u8, a_r.from.slice(), b.repo_refs.from.slice()) and std.mem.eql(u8, a_r.search.slice(), b.repo_refs.search.slice()), 1722 .repo_issues => |a_i| std.mem.eql(u8, a_i.name.slice(), b.repo_issues.name.slice()) and 1723 std.mem.eql(u8, a_i.label.slice(), b.repo_issues.label.slice()) and 1724 std.mem.eql(u8, a_i.search.slice(), b.repo_issues.search.slice()) and 1725 std.mem.eql(u8, a_i.selected.slice(), b.repo_issues.selected.slice()) and 1726 std.mem.eql(u8, a_i.theirs.slice(), b.repo_issues.theirs.slice()) and 1727 a_i.view == b.repo_issues.view and 1728 a_i.comments_start == b.repo_issues.comments_start and 1729 std.mem.eql(u8, a_i.comment.slice(), b.repo_issues.comment.slice()), 1730 .repo_discussions => |a_t| std.mem.eql(u8, a_t.name.slice(), b.repo_discussions.name.slice()) and 1731 std.mem.eql(u8, a_t.label.slice(), b.repo_discussions.label.slice()) and 1732 std.mem.eql(u8, a_t.search.slice(), b.repo_discussions.search.slice()) and 1733 std.mem.eql(u8, a_t.selected.slice(), b.repo_discussions.selected.slice()) and 1734 a_t.view == b.repo_discussions.view and 1735 a_t.comments_start == b.repo_discussions.comments_start and 1736 std.mem.eql(u8, a_t.comment.slice(), b.repo_discussions.comment.slice()), 1737 .repo_patches => |a_p| std.mem.eql(u8, a_p.name.slice(), b.repo_patches.name.slice()) and 1738 std.mem.eql(u8, a_p.label.slice(), b.repo_patches.label.slice()) and 1739 std.mem.eql(u8, a_p.search.slice(), b.repo_patches.search.slice()) and 1740 std.mem.eql(u8, a_p.selected.slice(), b.repo_patches.selected.slice()) and 1741 std.mem.eql(u8, a_p.theirs.slice(), b.repo_patches.theirs.slice()) and 1742 a_p.view == b.repo_patches.view and 1743 a_p.comments_start == b.repo_patches.comments_start and 1744 std.mem.eql(u8, a_p.comment.slice(), b.repo_patches.comment.slice()), 1745 .repo_undo => |a_u| std.mem.eql(u8, a_u.name.slice(), b.repo_undo.name.slice()) and 1746 a_u.index == b.repo_undo.index and 1747 a_u.clear == b.repo_undo.clear, 1748 .repo_events => |a_e| std.mem.eql(u8, a_e.name.slice(), b.repo_events.name.slice()) and 1749 a_e.view == b.repo_events.view and 1750 a_e.moment == b.repo_events.moment and 1751 a_e.kind == b.repo_events.kind and 1752 std.mem.eql(u8, a_e.selected.slice(), b.repo_events.selected.slice()), 1753 .repo_settings => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_settings.slice()), 1754 .repo_auth => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_auth.slice()), 1755 .fork_patch => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_patch.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_patch.id.slice()), 1756 .fork_diff => |a_d| std.mem.eql(u8, a_d.fork.name.slice(), b.fork_diff.fork.name.slice()) and 1757 std.mem.eql(u8, a_d.fork.id.slice(), b.fork_diff.fork.id.slice()) and 1758 a_d.start == b.fork_diff.start and std.mem.eql(u8, a_d.path.slice(), b.fork_diff.path.slice()), 1759 .fork_files => |a_f| std.mem.eql(u8, a_f.fork.name.slice(), b.fork_files.fork.name.slice()) and 1760 std.mem.eql(u8, a_f.fork.id.slice(), b.fork_files.fork.id.slice()) and 1761 std.mem.eql(u8, a_f.oid.slice(), b.fork_files.oid.slice()) and 1762 std.mem.eql(u8, a_f.find.slice(), b.fork_files.find.slice()) and 1763 std.mem.eql(u8, a_f.path.slice(), b.fork_files.path.slice()) and 1764 a_f.line == b.fork_files.line, 1765 .fork_commits => |a_c| std.mem.eql(u8, a_c.fork.name.slice(), b.fork_commits.fork.name.slice()) and 1766 std.mem.eql(u8, a_c.fork.id.slice(), b.fork_commits.fork.id.slice()) and 1767 std.mem.eql(u8, a_c.oid.slice(), b.fork_commits.oid.slice()) and 1768 switch (a_c.content) { 1769 .diff => |a_d| switch (b.fork_commits.content) { 1770 .diff => |b_d| a_d.start == b_d.start and std.mem.eql(u8, a_d.path.slice(), b_d.path.slice()), 1771 .message => false, 1772 }, 1773 .message => std.meta.activeTag(b.fork_commits.content) == .message, 1774 }, 1775 .fork_settings => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_settings.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_settings.id.slice()), 1776 .fork_auth => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_auth.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_auth.id.slice()), 1777 else => true, 1778 }; 1779 } 1780 1781 // true when following a link from `b` to `a` (both repo routes) should reload 1782 // rather than stay in page 1783 pub fn repoPageChanged(a: RoutablePage, b: RoutablePage) bool { 1784 if (a.parent() != .repo or b.parent() != .repo) return false; 1785 if (std.meta.activeTag(a) == .repo_refs and std.meta.activeTag(b) == .repo_refs and 1786 a.repo_refs.from.len == 0 and b.repo_refs.from.len == 0) 1787 return !std.mem.eql(u8, a.repo_refs.name.slice(), b.repo_refs.name.slice()); 1788 return !a.eql(b); 1789 } 1790 1791 pub fn forkPageChanged(a: RoutablePage, b: RoutablePage) bool { 1792 return a.parent() == .fork and b.parent() == .fork and !a.eql(b); 1793 } 1794 1795 // true when `a` and `b` are the same user paginated to a different repos 1796 // window. switching between a user's tabs is in-page, so 1797 // only a changed `start` on the repos list navigates. 1798 pub fn userPageChanged(a: RoutablePage, b: RoutablePage) bool { 1799 return switch (a) { 1800 .user_repos => |aa| switch (b) { 1801 .user_repos => |bb| std.mem.eql(u8, aa.name.slice(), bb.name.slice()) and aa.start != bb.start, 1802 else => false, 1803 }, 1804 .user_forks => |aa| switch (b) { 1805 .user_forks => |bb| std.mem.eql(u8, aa.name.slice(), bb.name.slice()) and aa.start != bb.start, 1806 else => false, 1807 }, 1808 else => false, 1809 }; 1810 } 1811 1812 // true when `a` and `b` are the same home list tab paginated to a different 1813 // window. switching between the users/repos tabs is in-page (the home page 1814 // holds both lists), so only a changed `after` on the same tab navigates. 1815 pub fn homePageChanged(a: RoutablePage, b: RoutablePage) bool { 1816 return switch (a) { 1817 .home_users => |aa| switch (b) { 1818 .home_users => |bb| aa != bb, 1819 else => false, 1820 }, 1821 .home_repos => |aa| switch (b) { 1822 .home_repos => |bb| aa != bb, 1823 else => false, 1824 }, 1825 else => false, 1826 }; 1827 } 1828 }; 1829 1830 // a `RefOrOid` resolved against an on-disk repo to the commit oid it points at 1831 fn isUnreserved(c: u8) bool { 1832 return std.ascii.isAlphanumeric(c) or c == '-' or c == '.' or c == '_' or c == '~'; 1833 } 1834 1835 // percent-encode a ref name for use as a single url path segment. 1836 pub fn urlEncodeRef(aa: std.mem.Allocator, raw: []const u8) ![]const u8 { 1837 var out: std.Io.Writer.Allocating = .init(aa); 1838 try std.Uri.Component.percentEncode(&out.writer, raw, isUnreserved); 1839 return out.written(); 1840 } 1841 1842 // a resolved ref/oid for a repo opened with `repo_kind`/`repo_opts` 1843 pub fn ResolvedRefOrOid(comptime repo_kind: rp.RepoKind, comptime repo_opts: rp.RepoOpts(repo_kind)) type { 1844 return struct { 1845 pub const hex_len = hash.hexLen(repo_opts.hash); 1846 1847 // the concrete ref/oid (a null request resolves to the default branch) 1848 ref_or_oid: RoutablePage.RefOrOid, 1849 // its branch/tag name or oid, url-encoded (ref names may contain '/', so 1850 // the route layer — which splits on '/' — stores them encoded). duped 1851 // into `aa`. 1852 value: []const u8, 1853 // the commit oid it points at 1854 oid: [hex_len]u8, 1855 1856 const Self = @This(); 1857 1858 // resolve a requested ref/oid (null = the repo's default branch) to a 1859 // concrete ref/oid plus the commit oid it points at. `requested_value` is 1860 // the url-encoded form (as it appears in the route). null when it doesn't 1861 // resolve (an unknown branch/tag, or a malformed/unknown oid). 1862 pub fn init( 1863 repo: *rp.Repo(repo_kind, repo_opts), 1864 io: std.Io, 1865 aa: std.mem.Allocator, 1866 requested_ref_or_oid: ?RoutablePage.RefOrOid, 1867 requested_value: []const u8, 1868 ) !?Self { 1869 var ref_or_oid: RoutablePage.RefOrOid = requested_ref_or_oid orelse .branch; 1870 // the decoded ref name / oid to look up. a named ref arrives url-encoded. 1871 var value: []const u8 = if (requested_ref_or_oid == null) 1872 requested_value 1873 else 1874 std.Uri.percentDecodeInPlace(try aa.dupe(u8, requested_value)); 1875 // no ref named: fall back to HEAD's branch (or its oid when detached). 1876 if (requested_ref_or_oid == null) { 1877 var head_buf: [rf.MAX_REF_CONTENT_SIZE]u8 = undefined; 1878 if (repo.head(io, &head_buf)) |head| switch (head) { 1879 .ref => |r| { 1880 ref_or_oid = .branch; 1881 value = r.name; 1882 }, 1883 .oid => |o| { 1884 ref_or_oid = .object; 1885 value = o; 1886 }, 1887 } else |_| {} 1888 } 1889 1890 var oid: [hex_len]u8 = undefined; 1891 switch (ref_or_oid) { 1892 .object => { 1893 if (value.len != hex_len) return null; 1894 @memcpy(&oid, value); 1895 }, 1896 .branch, .tag => { 1897 const ref_kind: rf.RefKind = if (ref_or_oid == .branch) .head else .tag; 1898 oid = (repo.readRef(io, .{ .kind = ref_kind, .name = value }) catch null) orelse return null; 1899 }, 1900 } 1901 // store url-encoded so the route layer can hold the value verbatim. 1902 return .{ .ref_or_oid = ref_or_oid, .value = try urlEncodeRef(aa, value), .oid = oid }; 1903 } 1904 }; 1905 } 1906 1907 // where a repo page reads its on-disk repo from 1908 pub const RepoSource = struct { 1909 path: []const u8, 1910 repo_kind: rp.RepoKind, 1911 // the user's global git config, so local mode picks up their identity and 1912 // their signing and ssh settings. null on the server paths, which must not 1913 // read whoever runs the server. 1914 global_config_path: ?[]const u8 = null, 1915 1916 pub fn localInitOpts(self: RepoSource) rp.InitOpts { 1917 return .{ .path = self.path, .global_config_path = self.global_config_path }; 1918 } 1919 1920 pub fn hasBranch(self: RepoSource, io: std.Io, allocator: std.mem.Allocator, branch: []const u8) !bool { 1921 if (!xit.ref.validateName(branch)) return false; 1922 return switch (self.repo_kind) { 1923 inline else => |repo_kind| blk: { 1924 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, self.localInitOpts()); 1925 defer any_repo.deinit(io, allocator); 1926 break :blk switch (any_repo) { 1927 inline else => |*repo| (try repo.readRef(io, .{ .kind = .head, .name = branch })) != null, 1928 }; 1929 }, 1930 }; 1931 } 1932 1933 // whether the actor may change the event `id` names 1934 pub fn canModify( 1935 self: RepoSource, 1936 io: std.Io, 1937 allocator: std.mem.Allocator, 1938 actor: Actor, 1939 kind: evt.EventKind, 1940 id: *const [evt.event_id_size]u8, 1941 ) !bool { 1942 // a role that may change an event with no author needs no read 1943 if (actor.role.canModify(actor.author.email, null)) return true; 1944 1945 var arena = std.heap.ArenaAllocator.init(allocator); 1946 defer arena.deinit(); 1947 return switch (self.repo_kind) { 1948 inline else => |repo_kind| blk: { 1949 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, self.localInitOpts()); 1950 defer any_repo.deinit(io, allocator); 1951 break :blk switch (any_repo) { 1952 inline else => |*repo| actor.role.canModify(actor.author.email, try evt.readAuthorEmail(repo_kind, repo.self_repo_opts, io, allocator, &arena, repo, kind, id)), 1953 }; 1954 }, 1955 }; 1956 } 1957 }; 1958 1959 // who a write acts as and the role they hold in its repo 1960 pub const Actor = struct { 1961 author: evt.CommitAuthor, 1962 // local mode has no accounts, so it has no user id 1963 user_id: ?[evt.event_id_size]u8 = null, 1964 role: evt.Repo.Role, 1965 }; 1966 1967 pub const Authorization = union(enum) { 1968 actor: Actor, 1969 login_required, 1970 repo_not_found, 1971 forbidden, 1972 }; 1973 1974 // the account `user_id` names, or null once it has been removed. a user id is 1975 // checked here wherever one enters, so the role lookups can trust theirs. 1976 pub fn activeUser( 1977 moment: evt.AdminDB.HashMap(.read_only), 1978 arena: *std.heap.ArenaAllocator, 1979 user_id: [evt.event_id_size]u8, 1980 ) !?evt.User.Record { 1981 const user = (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, &user_id)) orelse return null; 1982 return if (user.removed) null else user; 1983 } 1984 1985 // the role the user holds in the repo `identity` names, or null when no repo 1986 // has that identity. a null user is logged out. 1987 pub fn repoRole( 1988 moment: evt.AdminDB.HashMap(.read_only), 1989 arena: *std.heap.ArenaAllocator, 1990 user_id: ?[evt.event_id_size]u8, 1991 identity: []const u8, 1992 ) !?evt.Repo.Role { 1993 const owner_repo = evt.parseOwnerRepoPath(identity) orelse return null; 1994 const repo = (try evt.Repo.readByOwnerAndName(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, owner_repo.owner, owner_repo.name)) orelse return null; 1995 return evt.Repo.roleOf(repo.repo, user_id); 1996 } 1997 1998 // whether the user may write to the repo `identity` names with at least 1999 // `min_role` 2000 pub fn authorizeUser( 2001 moment: evt.AdminDB.HashMap(.read_only), 2002 arena: *std.heap.ArenaAllocator, 2003 user_id: [evt.event_id_size]u8, 2004 identity: []const u8, 2005 min_role: evt.Repo.Role, 2006 ) !Authorization { 2007 const user = (try activeUser(moment, arena, user_id)) orelse return .login_required; 2008 2009 const role = (try repoRole(moment, arena, user_id, identity)) orelse return .repo_not_found; 2010 // a repo the user can't read doesn't exist to them 2011 if (role == .none) return .repo_not_found; 2012 if (!role.atLeast(min_role)) return .forbidden; 2013 return .{ .actor = .{ 2014 .author = .{ .name = user.event.name, .email = user.event.email }, 2015 .user_id = user_id, 2016 .role = role, 2017 } }; 2018 } 2019 2020 // events created in local mode have no account behind them, so the commit 2021 // author comes from the repo's config, which the global config feeds into. 2022 pub const local_author_fallback = evt.CommitAuthor{ .name = "haxy", .email = "user@haxy" }; 2023 2024 pub fn localAuthor( 2025 src: RepoSource, 2026 io: std.Io, 2027 allocator: std.mem.Allocator, 2028 arena: *std.heap.ArenaAllocator, 2029 ) !evt.CommitAuthor { 2030 switch (src.repo_kind) { 2031 inline else => |repo_kind| { 2032 var any_repo = rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()) catch return local_author_fallback; 2033 defer any_repo.deinit(io, allocator); 2034 2035 switch (any_repo) { 2036 inline else => |*repo| { 2037 var config = try repo.listConfig(io, allocator); 2038 defer config.deinit(); 2039 2040 const user = config.sections.get("user") orelse return local_author_fallback; 2041 const name = user.get("name") orelse return local_author_fallback; 2042 const email = user.get("email") orelse return local_author_fallback; 2043 return .{ 2044 .name = try arena.allocator().dupe(u8, name), 2045 .email = try arena.allocator().dupe(u8, email), 2046 }; 2047 }, 2048 } 2049 }, 2050 } 2051 } 2052 2053 // per-connection mutable state. each SSH session / web session / local TUI 2054 // run gets its own. 2055 pub const Session = struct { 2056 data: Data = .{}, 2057 // session-lifetime allocations: login/user_id, persisted prefs, queued 2058 // actions. lives as long as the connection. 2059 arena: *std.heap.ArenaAllocator, 2060 // current page's allocations: page data and the page-scoped strings widgets 2061 // build (form actions, links). owned by Nav, swapped on each navigation, so 2062 // it doesn't accumulate over a long-lived session. on the web/wasm paths, 2063 // where a render is one-shot, this points at the same arena as `arena`. 2064 page_arena: *std.heap.ArenaAllocator, 2065 haxy_moment: ?evt.AdminDB.HashMap(.read_only) = null, // db cursor (null on the wasm side) 2066 // filesystem io and the path to <server>/repos, for opening on-disk repos 2067 // during page construction. both null on wasm, which has no filesystem and 2068 // rebuilds pages from the serialized snapshot rather than from disk. 2069 io: ?std.Io = null, 2070 admin_repo: ?*rp.Repo(.xit, evt.admin_repo_opts) = null, 2071 repos_dir: ?[]const u8 = null, 2072 // the single on-disk repo this session views, when running in local mode 2073 // (haxy invoked with no arguments inside a repo). null on the server paths, 2074 // which resolve repos from the admin db instead. 2075 local: ?RepoSource = null, 2076 pending: std.ArrayList(Action) = .empty, // actions queued by widgets this frame 2077 // focus id -> the live TextInput, refreshed each frame by the views that own 2078 // inputs. web/wasm form handling looks widgets up here by focus id. 2079 text_inputs: std.AutoHashMapUnmanaged(usize, *wgt.TextInput) = .empty, 2080 back: enum { unavailable, available, requested } = .unavailable, 2081 refresh_requested: bool = false, // set by input (ctrl+r) 2082 // a requested forward navigation. set this (via navigate) to move to a new 2083 // page; Nav.sync builds it and then copies it into current_page, clearing 2084 // this back to null. setting current_page directly only updates the url and 2085 // does not navigate. 2086 next_page: ?RoutablePage = null, 2087 is_terminal: bool = false, // true on remote SSH and local TUI 2088 // port the web UI is served on, for the TUI/SSH footer's "http://localhost:<port>..." 2089 // url. null on the web itself (no footer there). 2090 web_port: ?u16 = null, 2091 // a host operation requested by a widget 2092 host_request: ?HostRequest = null, 2093 quit_requested: bool = false, 2094 2095 pub const HostRequest = union(enum) { 2096 show_copyable_text: []const u8, 2097 sync_events, 2098 undo: RoutablePage.RepoUndoRoute, 2099 }; 2100 2101 pub const FormFeedback = union(enum) { 2102 pub const LoginFailure = enum { unknown_user, wrong_password }; 2103 pub const ThreadFailure = enum { required_title }; 2104 pub const PatchFailure = enum { 2105 required_title, 2106 invalid_target_branch, 2107 invalid_source_branch, 2108 same_branch, 2109 unrelated_branches, 2110 2111 pub fn fromError(err: anyerror) ?PatchFailure { 2112 return switch (err) { 2113 error.InvalidTargetBranch => .invalid_target_branch, 2114 error.InvalidSourceBranch => .invalid_source_branch, 2115 error.SameBranch => .same_branch, 2116 error.UnrelatedBranches => .unrelated_branches, 2117 else => null, 2118 }; 2119 } 2120 }; 2121 2122 login: struct { 2123 failure: LoginFailure, 2124 username: []const u8, 2125 }, 2126 issue: struct { 2127 failure: ThreadFailure, 2128 fields: ?struct { 2129 title: []const u8, 2130 labels: []const u8, 2131 description: []const u8, 2132 } = null, 2133 }, 2134 patch: struct { 2135 failure: PatchFailure, 2136 fields: ?struct { 2137 title: []const u8, 2138 labels: []const u8, 2139 description: []const u8, 2140 target_branch: []const u8, 2141 source_branch: []const u8 = "", 2142 source_kind: Repo.Patches.Source.Kind = .fork, 2143 } = null, 2144 }, 2145 discussion: struct { 2146 failure: ThreadFailure, 2147 fields: ?struct { 2148 title: []const u8, 2149 labels: []const u8, 2150 description: []const u8, 2151 } = null, 2152 }, 2153 }; 2154 2155 const Self = @This(); 2156 2157 // serializable data sent down to web client 2158 pub const Data = struct { 2159 user_id: ?[]const u8 = null, 2160 // the logged-in user's name, for the views that show it 2161 user_name: ?[]const u8 = null, 2162 // a failed form retained long enough to render it for correction 2163 form_feedback: ?FormFeedback = null, 2164 // a transient local event-sync error 2165 sync_failure: ?[]const u8 = null, 2166 // a failed terminal undo retained on the current tab 2167 undo_failure: ?[]const u8 = null, 2168 current_page: RoutablePage = .default, 2169 // whether to render the ANSI art backdrop 2170 enable_ansi: bool = true, 2171 // the selected ANSI art. the server serializes one image for WASM so 2172 // the browser does not need the whole build-generated collection. 2173 ansi_art: []const u8 = "", 2174 // the bound git-service ports. absent in local mode, where remote urls 2175 // are not shown. 2176 git_http_port: ?u16 = null, 2177 git_ssh_port: ?u16 = null, 2178 git_ssh_prefix: []const u8 = "", 2179 // whether this session views a local repo or the server. unlike `local` 2180 // (the host-side filesystem source) this travels in the snapshot, so 2181 // the wasm side also parses elided link urls and hides the multi-user 2182 // chrome. 2183 host_kind: evt.HostKind = .server, 2184 }; 2185 2186 // a user-initiated state change. widgets enqueue these on the session during 2187 // input instead of mutating state or touching the DB themselves; the host 2188 // drains them each frame (see applyAndWritePending / applyPending). this keeps DB 2189 // side effects out of the widget tree and gives every render path one place to 2190 // turn a UI action into a state change + event. 2191 pub const Action = union(enum) { 2192 toggle_ansi, 2193 }; 2194 2195 pub fn init( 2196 arena: *std.heap.ArenaAllocator, 2197 repo: *rp.Repo(.xit, evt.admin_repo_opts), 2198 data: Data, 2199 ) !Self { 2200 var session = Self{ 2201 .data = data, 2202 .arena = arena, 2203 // until a host swaps in a page-scoped arena (Nav does this), page 2204 // allocations land in the session arena. on the web path that's the 2205 // intended behavior, since the whole arena is per-request. 2206 .page_arena = arena, 2207 .admin_repo = repo, 2208 .haxy_moment = try evt.currentMoment(evt.admin_repo_opts, repo), 2209 }; 2210 try session.loadUser(); 2211 return session; 2212 } 2213 2214 // load the logged-in user's name and persisted preferences from the db 2215 pub fn loadUser(self: *Self) !void { 2216 const user_id = self.userId() orelse return; 2217 const moment = self.haxy_moment orelse return; 2218 const user = (try activeUser(moment, self.arena, user_id)) orelse return self.logOut(); 2219 self.data.user_name = user.event.name; 2220 self.data.enable_ansi = user.event.enable_ansi; 2221 } 2222 2223 // forget the logged-in user, on a logout or once their account is removed 2224 pub fn logOut(self: *Self) void { 2225 self.data.user_id = null; 2226 self.data.user_name = null; 2227 } 2228 2229 pub fn userId(self: *const Self) ?[evt.event_id_size]u8 { 2230 const bytes = self.data.user_id orelse return null; 2231 if (bytes.len != evt.event_id_size) return null; 2232 var id: [evt.event_id_size]u8 = undefined; 2233 @memcpy(&id, bytes); 2234 return id; 2235 } 2236 2237 pub fn formFeedback(self: *const Self, comptime tag: std.meta.Tag(FormFeedback)) ?@FieldType(FormFeedback, @tagName(tag)) { 2238 const feedback = self.data.form_feedback orelse return null; 2239 if (std.meta.activeTag(feedback) != tag) return null; 2240 return @field(feedback, @tagName(tag)); 2241 } 2242 2243 pub fn clearFormFeedback(self: *Self) void { 2244 self.data.form_feedback = null; 2245 } 2246 2247 // the actor for a write to the repo `identity` names, or null when the 2248 // session may not write there with at least `min_role`. local mode always 2249 // writes. 2250 pub fn authorize(self: *Self, identity: []const u8, min_role: evt.Repo.Role) !?Actor { 2251 if (self.data.host_kind == .local) { 2252 const author = blk: { 2253 const src = self.local orelse break :blk local_author_fallback; 2254 const io = self.io orelse break :blk local_author_fallback; 2255 break :blk try localAuthor(src, io, self.page_arena.child_allocator, self.page_arena); 2256 }; 2257 return .{ .author = author, .role = .owner }; 2258 } 2259 const user_id = self.userId() orelse return null; 2260 // the session's moment predates this input, so read the roles afresh 2261 const admin_repo = self.admin_repo orelse return null; 2262 const moment = try evt.currentMoment(evt.admin_repo_opts, admin_repo); 2263 return switch (try authorizeUser(moment, self.page_arena, user_id, identity, min_role)) { 2264 .actor => |actor| actor, 2265 .login_required, .repo_not_found, .forbidden => null, 2266 }; 2267 } 2268 2269 // queue an action for the host to drain this frame. 2270 pub fn push(self: *Self, action: Action) !void { 2271 try self.pending.append(self.arena.allocator(), action); 2272 } 2273 2274 // apply a single action's in-memory effect only (no persistence). 2275 fn apply(self: *Self, action: Action) void { 2276 switch (action) { 2277 .toggle_ansi => self.data.enable_ansi = !self.data.enable_ansi, 2278 } 2279 } 2280 2281 // drain the session's queued actions by applying them to the session. 2282 // used on the wasm path, which has no repo to persist to. 2283 pub fn applyPending(self: *Self) void { 2284 for (self.pending.items) |action| self.apply(action); 2285 self.pending.clearRetainingCapacity(); 2286 } 2287 2288 // drain the session's queued actions by applying them to the session and 2289 // writing them to the db 2290 pub fn applyAndWritePending( 2291 self: *Self, 2292 io: std.Io, 2293 allocator: std.mem.Allocator, 2294 repo: *rp.Repo(.xit, evt.admin_repo_opts), 2295 ) !void { 2296 defer self.pending.clearRetainingCapacity(); 2297 for (self.pending.items) |action| { 2298 self.apply(action); 2299 switch (action) { 2300 .toggle_ansi => if (self.data.user_id) |user_id| { 2301 try evt.User.toggleAnsi(evt.admin_repo_opts, io, allocator, repo, user_id); 2302 }, 2303 } 2304 } 2305 } 2306 2307 // reload the moment from the admin repo and re-read user preferences 2308 pub fn reloadMoment(self: *Self, allocator: std.mem.Allocator, repo: *rp.Repo(.xit, evt.admin_repo_opts)) !void { 2309 const moment = try evt.currentMoment(evt.admin_repo_opts, repo); 2310 self.haxy_moment = moment; 2311 2312 const user_id = self.userId() orelse return; 2313 var arena = std.heap.ArenaAllocator.init(allocator); 2314 defer arena.deinit(); 2315 const user = (try activeUser(moment, &arena, user_id)) orelse return self.logOut(); 2316 self.data.enable_ansi = user.event.enable_ansi; 2317 } 2318 2319 // request a forward navigation to `route`; the host consumes next_page 2320 // (Nav.sync on the terminal, the wasm tick on the web). 2321 pub fn navigate(self: *Session, route: RoutablePage) !void { 2322 self.clearFormFeedback(); 2323 self.next_page = route; 2324 } 2325 }; 2326 2327 pub fn run(io: std.Io, allocator: std.mem.Allocator, session: *Session, repo_maybe: ?*rp.Repo(.xit, evt.admin_repo_opts)) !void { 2328 var nav = try Nav.init(allocator, session); 2329 defer nav.deinit(allocator); 2330 2331 var terminal = try term.Terminal.init(io, allocator); 2332 var terminal_live = true; 2333 defer if (terminal_live) terminal.deinit(io); 2334 2335 // set term as active so it will be properly cooked 2336 // when a panic/segfault happens 2337 term.setActive(&terminal); 2338 defer term.setActive(null); 2339 2340 while (!terminal.shouldQuit()) { 2341 const grid_changed = try terminal.render(&nav.root); 2342 2343 // process any inputs. 2344 // 2345 // if the grid didn't change, then first do a blocking 2346 // read, so the thread will sleep until further input. 2347 // after that, all remaining reads are non-blocking so 2348 // we can process the rest of the queued inputs. 2349 // 2350 // if the grid *did* change, then only do non-blocking 2351 // reads. we do not want to sleep the thread because 2352 // there may be an animation that requires more looping. 2353 var blocking = !grid_changed; 2354 while (try terminal.readKey(io, blocking)) |key| { 2355 blocking = false; 2356 try inputKey(allocator, &nav.root, key, session); 2357 } 2358 2359 if (session.host_request) |request| { 2360 session.host_request = null; 2361 switch (request) { 2362 .show_copyable_text => |copyable_text| { 2363 term.setActive(null); 2364 terminal.deinit(io); 2365 terminal_live = false; 2366 showCopyableText(io, copyable_text) catch |show_err| { 2367 terminal = try term.Terminal.init(io, allocator); 2368 terminal_live = true; 2369 term.setActive(&terminal); 2370 return show_err; 2371 }; 2372 terminal = try term.Terminal.init(io, allocator); 2373 terminal_live = true; 2374 term.setActive(&terminal); 2375 }, 2376 .undo => |target| Repo.Undo.handleRequest(allocator, session, target), 2377 .sync_events => { 2378 try nav.root.build(allocator, .{ 2379 .min_size = .{ .width = null, .height = null }, 2380 .max_size = .{ .width = terminal.size.width, .height = terminal.size.height }, 2381 }, nav.root.getFocus()); 2382 _ = try terminal.render(&nav.root); 2383 try Repo.Events.performSync(allocator, session); 2384 }, 2385 } 2386 } 2387 2388 // persist queued actions when there's a repo; local mode has none, 2389 // so just apply in-memory 2390 if (repo_maybe) |repo| { 2391 try session.applyAndWritePending(io, allocator, repo); 2392 // reload so the next navigation builds its page from the current moment 2393 try session.reloadMoment(allocator, repo); 2394 } else { 2395 session.applyPending(); 2396 } 2397 2398 // reconcile navigation: forward to a new page, or back on escape. 2399 try nav.sync(allocator, session); 2400 2401 // the quit button (on the quit tab) asks the host to tear down. 2402 if (session.quit_requested) terminal.requestQuit(); 2403 2404 try nav.root.build(allocator, .{ 2405 .min_size = .{ .width = null, .height = null }, 2406 .max_size = .{ .width = terminal.size.width, .height = terminal.size.height }, 2407 }, nav.root.getFocus()); 2408 } 2409 } 2410 2411 fn showCopyableText(io: std.Io, copyable_text: []const u8) !void { 2412 const tty: ?std.Io.File = if (builtin.os.tag == .windows) 2413 null 2414 else 2415 try std.Io.Dir.cwd().openFile(io, "/dev/tty", .{ .mode = .read_write }); 2416 defer if (tty) |file| file.close(io); 2417 2418 const input = if (tty) |file| file else std.Io.File.stdin(); 2419 const output = if (tty) |file| file else std.Io.File.stdout(); 2420 2421 var write_buf: [1024]u8 = undefined; 2422 var writer = output.writer(io, &write_buf); 2423 try writer.interface.print("\x1b[2J\x1b[Hcopy the following text and then press enter to go back:\r\n\r\n{s}\r\n", .{copyable_text}); 2424 try writer.interface.flush(); 2425 2426 var read_buf: [1]u8 = undefined; 2427 var reader = input.reader(io, &read_buf); 2428 while (true) { 2429 const byte = try reader.interface.takeByte(); 2430 if (byte == '\r' or byte == '\n') return; 2431 } 2432 } 2433 2434 pub fn inputKey(allocator: std.mem.Allocator, root: *Widget, key: Key, session: *Session) !void { 2435 const root_focus = root.getFocus(); 2436 const focused_before = root_focus.grandchild_id; 2437 var activate_in_page_link = false; 2438 switch (key) { 2439 // request a navigation pop; the host's Nav.sync goes back a page, or 2440 // quits when there's no history left. 2441 .escape => { 2442 session.back = .requested; 2443 return; 2444 }, 2445 .ctrl => |letter| switch (letter) { 2446 'r' => { 2447 session.refresh_requested = true; 2448 return; 2449 }, 2450 else => try root.input(allocator, key, root_focus), 2451 }, 2452 .enter => { 2453 if (root_focus.grandchild_id) |gid| { 2454 // follow a cross-page link 2455 if (crossPageLink(root_focus, gid, session.data)) |route| { 2456 return session.navigate(route); 2457 } 2458 if (rawLink(root_focus, gid)) |url| return requestRawLink(session, url); 2459 } 2460 activate_in_page_link = true; 2461 try root.input(allocator, key, root_focus); 2462 }, 2463 .mouse => |mouse| { 2464 if (mouse.action == .press and mouse.action.press == .left) { 2465 if (root_focus.hitTest(mouse.x, mouse.y)) |hit| { 2466 const focus_id = hit.id; 2467 if (hit.kind == .background) { 2468 root_focus.setFocus(focus_id); 2469 return; 2470 } 2471 if (widget.isBackButton((root_focus.children.get(focus_id) orelse return).focus)) { 2472 if (session.back == .available) session.back = .requested; 2473 return; 2474 } 2475 // follow a cross-page link 2476 if (crossPageLink(root_focus, focus_id, session.data)) |route| { 2477 return session.navigate(route); 2478 } 2479 if (rawLink(root_focus, focus_id)) |url| { 2480 if (!mouse.ctrl) try requestRawLink(session, url); 2481 return; 2482 } 2483 root_focus.setFocus(focus_id); 2484 activate_in_page_link = true; 2485 } 2486 // forward the press into the widget tree so buttons (and any 2487 // future click-aware widgets) can react. widgets that don't 2488 // care about presses ignore it. 2489 try root.input(allocator, key, root_focus); 2490 } else { 2491 try root.input(allocator, key, root_focus); 2492 } 2493 }, 2494 else => try root.input(allocator, key, root_focus), 2495 } 2496 2497 const focused_after = root_focus.grandchild_id; 2498 if (!activate_in_page_link and focused_before == focused_after) return; 2499 const focus_id = focused_after orelse return; 2500 if (inPageLink(root_focus, focus_id, session.data)) |route| session.data.current_page = route; 2501 } 2502 2503 // a link to bytes the server serves directly rather than to a page route, so 2504 // it never resolves to a RoutablePage 2505 pub const raw_link_prefix = "ax:"; 2506 2507 // a route already loaded into the current page; focusing it changes the url 2508 // without rebuilding the page 2509 pub const in_page_link_prefix = "ai:"; 2510 2511 // an in-page tab's base route, or the exact current route when it is selected 2512 pub fn inPageTabLink(session: *Session, route: RoutablePage, selected: bool) ![]const u8 { 2513 const target = if (selected) session.data.current_page else route; 2514 return std.fmt.allocPrint(session.page_arena.allocator(), "{s}{s}", .{ in_page_link_prefix, try target.toUrl(session.page_arena) }); 2515 } 2516 2517 // a button the web renderer covers with a file picker that posts the chosen 2518 // file to the url after the prefix 2519 pub const file_input_prefix = "file:"; 2520 2521 // a submit button that overrides its enclosing form's action 2522 pub const submit_action_prefix = "submit:"; 2523 2524 // the url an `ax:` link points at, or null for anything else. a host that 2525 // suppresses the anchor's own navigation needs this to follow the link. 2526 pub fn rawLink(root_focus: *Focus, focus_id: usize) ?[]const u8 { 2527 const child = root_focus.children.get(focus_id) orelse return null; 2528 const custom = switch (child.focus.kind) { 2529 .custom => |c| c, 2530 else => return null, 2531 }; 2532 if (!std.mem.startsWith(u8, custom, raw_link_prefix)) return null; 2533 return custom[raw_link_prefix.len..]; 2534 } 2535 2536 fn requestRawLink(session: *Session, url: []const u8) !void { 2537 session.host_request = .{ .show_copyable_text = try terminalWebUrl(session.page_arena.allocator(), session, url) }; 2538 } 2539 2540 pub fn terminalWebUrl(allocator: std.mem.Allocator, session: *const Session, path: []const u8) ![]const u8 { 2541 // an absolute url is already complete 2542 if (!std.mem.startsWith(u8, path, "/")) return path; 2543 return if (session.web_port) |port| 2544 try std.fmt.allocPrint(allocator, "http://localhost:{d}{s}", .{ port, path }) 2545 else 2546 path; 2547 } 2548 2549 // if the focus target at focus_id is an `a:` link that should navigate (a 2550 // different parent page, or a different files directory within the repo page), 2551 // return its route; otherwise null. lets a host turn a click / enter on such a 2552 // link into a navigation rather than a focus change. 2553 pub fn crossPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2554 const current = data.current_page; 2555 const route = pageLink(root_focus, focus_id, data, "a:") orelse return null; 2556 // a link to a different parent page always navigates; within a page, a 2557 // files-directory / commits-page / list-window change navigates while tab 2558 // links stay in-page. 2559 if (route.parent() != current.parent() or RoutablePage.repoPageChanged(route, current) or RoutablePage.forkPageChanged(route, current) or RoutablePage.homePageChanged(route, current) or RoutablePage.userPageChanged(route, current)) return route; 2560 return null; 2561 } 2562 2563 // the route carried by an `ai:` focus target, or null for any other target 2564 pub fn inPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2565 return pageLink(root_focus, focus_id, data, in_page_link_prefix); 2566 } 2567 2568 fn pageLink(root_focus: *Focus, focus_id: usize, data: Session.Data, prefix: []const u8) ?RoutablePage { 2569 const child = root_focus.children.get(focus_id) orelse return null; 2570 const custom = switch (child.focus.kind) { 2571 .custom => |c| c, 2572 else => return null, 2573 }; 2574 if (!std.mem.startsWith(u8, custom, prefix)) return null; 2575 const path = custom[prefix.len..]; 2576 // local sessions build (and parse) links with the repo identity elided 2577 return if (data.host_kind == .local) RoutablePage.fromUrlLocal(path) else RoutablePage.fromUrl(path); 2578 } 2579 2580 // a display author, resolved against the admin db at read time 2581 pub const Author = union(enum) { 2582 unknown, 2583 email: []const u8, // an email no user matches 2584 user_name: []const u8, 2585 2586 // the commit author line's email, resolved like initFromEmail 2587 pub fn init( 2588 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2589 arena: *std.heap.ArenaAllocator, 2590 author_line: []const u8, 2591 ) !Author { 2592 return initFromEmail(haxy_moment, arena, evt.authorEmail(author_line)); 2593 } 2594 2595 // from a record's stored author email: it resolves to the user currently 2596 // holding it, else stays the email. the result is allocated in `arena`, 2597 // so the email may borrow transient memory. 2598 pub fn initFromEmail( 2599 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2600 arena: *std.heap.ArenaAllocator, 2601 author_email: ?[]const u8, 2602 ) !Author { 2603 const email = author_email orelse return .unknown; 2604 if (haxy_moment) |moment| { 2605 if (try evt.User.readByEmail(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, email)) |user| { 2606 return .{ .user_name = user.name }; 2607 } 2608 } 2609 return .{ .email = try arena.allocator().dupe(u8, email) }; 2610 } 2611 }; 2612 2613 // the "a:" link to user `name`'s page. 2614 pub fn userLink(page_arena: *std.heap.ArenaAllocator, name: []const u8) ![]const u8 { 2615 const parsed = RoutablePage.Array(evt.User.name_max_len).from(name) orelse return error.RouteTooLong; 2616 const url = try (RoutablePage{ .user_repos = .{ .name = parsed } }).toUrl(page_arena); 2617 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{url}); 2618 } 2619 2620 // a focusable " author " box showing `author`, linking to their user page 2621 // when it is a known user 2622 pub fn authorBox(allocator: std.mem.Allocator, page_arena: *std.heap.ArenaAllocator, author: Author) !wgt.TextBox { 2623 const text = switch (author) { 2624 .unknown => "", 2625 .email, .user_name => |t| t, 2626 }; 2627 var tb = try wgt.TextBox.init(allocator, text, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .label = " author " }); 2628 errdefer tb.deinit(allocator); 2629 tb.getFocus().mode = .all; 2630 switch (author) { 2631 .user_name => |name| tb.getFocus().kind = .{ .custom = try userLink(page_arena, name) }, 2632 else => {}, 2633 } 2634 return tb; 2635 } 2636 2637 // native-TUI navigation 2638 pub const Nav = struct { 2639 root: Widget, 2640 // backs the current page (its Page data and the page-scoped strings its 2641 // widgets build). owned here, swapped on each navigation. session.page_arena 2642 // tracks whichever of these is current so widgets allocate into it. 2643 arena: *std.heap.ArenaAllocator, 2644 history: std.ArrayList(Entry), 2645 2646 // each retained page keeps its own arena, freed when the page leaves the 2647 // stack (popped on back, evicted at cap, or on deinit). this is what keeps a 2648 // long-lived session from accumulating every page it ever visited. 2649 const Entry = struct { root: Widget, route: RoutablePage, arena: *std.heap.ArenaAllocator }; 2650 2651 // cap on retained back-history so the chain can't grow memory without bound 2652 const max_history: usize = 16; 2653 2654 pub fn init(allocator: std.mem.Allocator, session: *Session) !Nav { 2655 session.back = .unavailable; 2656 const arena = try allocator.create(std.heap.ArenaAllocator); 2657 arena.* = std.heap.ArenaAllocator.init(allocator); 2658 errdefer { 2659 arena.deinit(); 2660 allocator.destroy(arena); 2661 } 2662 2663 session.page_arena = arena; 2664 const route = session.data.current_page; 2665 2666 const page = try arena.allocator().create(Page); 2667 page.* = try Page.init(arena, session, route); 2668 return .{ 2669 .root = try initRoot(allocator, page, session), 2670 .arena = arena, 2671 .history = .empty, 2672 }; 2673 } 2674 2675 pub fn deinit(self: *Nav, allocator: std.mem.Allocator) void { 2676 self.root.deinit(allocator); 2677 freeArena(allocator, self.arena); 2678 for (self.history.items) |*entry| { 2679 entry.root.deinit(allocator); 2680 freeArena(allocator, entry.arena); 2681 } 2682 self.history.deinit(allocator); 2683 } 2684 2685 fn freeArena(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator) void { 2686 arena.deinit(); 2687 allocator.destroy(arena); 2688 } 2689 2690 // reconcile the displayed root with the session's navigation state. a 2691 // forward nav (current_page moved to a different parent page) pushes the 2692 // current root and builds the new page in a fresh arena; a back request 2693 // frees the current page and restores the previous one. when escape is 2694 // pressed with no history left we switch to the quit tab instead of quitting. 2695 pub fn sync(self: *Nav, allocator: std.mem.Allocator, session: *Session) !void { 2696 // refresh: rebuild the current page in place from a current moment 2697 if (session.refresh_requested) { 2698 session.refresh_requested = false; 2699 if (session.haxy_moment != null or session.local != null) { 2700 const arena = try allocator.create(std.heap.ArenaAllocator); 2701 arena.* = std.heap.ArenaAllocator.init(allocator); 2702 errdefer freeArena(allocator, arena); 2703 2704 session.page_arena = arena; 2705 2706 const route = session.data.current_page; 2707 const page = try arena.allocator().create(Page); 2708 page.* = try Page.init(arena, session, route); 2709 const new_root = try initRoot(allocator, page, session); 2710 2711 self.root.deinit(allocator); 2712 freeArena(allocator, self.arena); 2713 self.root = new_root; 2714 self.arena = arena; 2715 } 2716 return; 2717 } 2718 2719 if (session.back == .requested) { 2720 if (self.history.pop()) |entry| { 2721 session.back = if (self.history.items.len == 0) .unavailable else .available; 2722 self.root.deinit(allocator); 2723 freeArena(allocator, self.arena); 2724 self.root = entry.root; 2725 self.arena = entry.arena; 2726 session.page_arena = entry.arena; 2727 session.data.current_page = entry.route; 2728 chooseAnsiArtForNavigation(session); 2729 return; 2730 } 2731 session.back = .unavailable; 2732 // nothing to go back to; switch to the quit confirmation 2733 const root_focus = self.root.getFocus(); 2734 var iter = root_focus.children.iterator(); 2735 while (iter.next()) |entry| { 2736 switch (entry.value_ptr.focus.kind) { 2737 .custom => |custom| if (std.mem.eql(u8, custom, Quit.tab_kind)) { 2738 root_focus.setFocus(entry.key_ptr.*); 2739 // a Stack only builds its selected child, so the quit 2740 // button isn't in the focus tree until a build runs with 2741 // the quit tab selected. build once, then send a 2742 // synthetic arrow_down to drop focus from the tab onto 2743 // the button so it's ready to confirm. 2744 try self.root.build(allocator, .{ 2745 .min_size = .{ .width = null, .height = 40 }, 2746 .max_size = .{ .width = 80, .height = null }, 2747 }, root_focus); 2748 try self.root.input(allocator, .arrow_down, root_focus); 2749 break; 2750 }, 2751 else => {}, 2752 } 2753 } 2754 return; 2755 } 2756 2757 // forward navigation: navigate() set next_page to the page to move to (a 2758 // cross-page link or tab change crossing pages) 2759 if (session.next_page) |route| { 2760 session.next_page = null; 2761 if (session.haxy_moment == null and session.local == null) return; 2762 const previous_route = session.data.current_page; 2763 // the page we navigated to becomes the current page 2764 session.data.current_page = route; 2765 session.back = .available; 2766 2767 const arena = try allocator.create(std.heap.ArenaAllocator); 2768 arena.* = std.heap.ArenaAllocator.init(allocator); 2769 errdefer freeArena(allocator, arena); 2770 2771 session.page_arena = arena; 2772 2773 const page = try arena.allocator().create(Page); 2774 page.* = try Page.init(arena, session, route); 2775 const new_root = try initRoot(allocator, page, session); 2776 2777 try self.history.append(allocator, .{ .root = self.root, .route = previous_route, .arena = self.arena }); 2778 // drop the oldest entry (freeing its widget tree and arena) once over cap 2779 if (self.history.items.len > max_history) { 2780 var oldest = self.history.orderedRemove(0); 2781 oldest.root.deinit(allocator); 2782 freeArena(allocator, oldest.arena); 2783 } 2784 self.root = new_root; 2785 self.arena = arena; 2786 } 2787 } 2788 }; 2789 2790 pub fn initRoot(allocator: std.mem.Allocator, page: *const Page, session: *Session) !Widget { 2791 const page_widget: Widget = switch (page.*) { 2792 .home => |*p| .{ .home = try .init(allocator, p, session) }, 2793 .user => |*p| .{ .user = try .init(allocator, p, session) }, 2794 .repo => |*p| .{ .repo = try .init(allocator, p, session) }, 2795 .fork => |*p| .{ .fork = try .init(allocator, p, session) }, 2796 }; 2797 2798 chooseAnsiArtForNavigation(session); 2799 2800 // on the TUI/SSH, the page sits above a one-row footer showing the url 2801 var root = if (session.is_terminal) blk: { 2802 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 2803 errdefer box.deinit(allocator); 2804 const bg_id = bg_blk: { 2805 var background = try widget.AnsiBackground.init(allocator, page_widget, session); 2806 errdefer background.deinit(allocator); 2807 const id = background.getFocus().id; 2808 try box.children.put(allocator, id, .{ .widget = .{ .background = background }, .rect = null, .min_size = null }); 2809 break :bg_blk id; 2810 }; 2811 { 2812 var footer = try widget.Footer.init(allocator, session); 2813 errdefer footer.deinit(allocator); 2814 try box.children.put(allocator, footer.getFocus().id, .{ .widget = .{ .footer = footer }, .rect = null, .min_size = .{ .width = null, .height = 1 } }); 2815 } 2816 box.getFocus().child_id = bg_id; 2817 break :blk Widget{ .box = box }; 2818 } else Widget{ .background = try widget.AnsiBackground.init(allocator, page_widget, session) }; 2819 errdefer root.deinit(allocator); 2820 2821 // input-owning views build their TextInputs in init, so reset their 2822 // registrations here 2823 session.text_inputs.clearRetainingCapacity(); 2824 2825 try root.build(allocator, .{ 2826 .min_size = .{ .width = null, .height = 40 }, 2827 .max_size = .{ .width = 100, .height = null }, 2828 }, root.getFocus()); 2829 2830 return root; 2831 } 2832 2833 // native and server-side sessions choose from the embedded collection. WASM 2834 // keeps the art serialized by the server instead. 2835 fn chooseAnsiArtForNavigation(session: *Session) void { 2836 if (comptime ansi_arts.len == 0) return; 2837 const io = session.io orelse return; 2838 var random: usize = undefined; 2839 io.random(std.mem.asBytes(&random)); 2840 session.data.ansi_art = ansi_arts[random % ansi_arts.len]; 2841 } 2842