vole

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A free and open-source forge that lives in your Git repo.

Read the change list and its counts from the index

b739915c0941be0f97cef8b96fd28d8f4c4685ae · Keenan Nemetz · 10d ago · parent 7f547ca3

Read the change list and its counts from the index

The header, the change list and the release artifact list now come from
the derived rows instead of the metadata branch:

- The header's open-changes badge is one COUNT, so a page that only shows
  the badge no longer reads `ls-tree`, `batch-check` and `batch` on every
  view. That is the read that grew with the repository's issues and
  comments.
- The change list, its state chips and its approval counts are queries.
  An approval still only counts when it names the request's current head
  and base, and eligibility is still the ACL's decision, so a stale
  approval is shown as history exactly as before.
- The release page's artifact list is the indexed pointer set.
- A change page reads its one request rather than every request; the
  conversation page keeps reading git, so the record it renders is
  authoritative rather than a copy.

On the fixture (40 files, 30 issues, 30 changes), git calls per page:

  issues list    5 -> 2        change list   6 -> 3
  releases       6 -> 3        commits       7 -> 4
  overview      19 -> 6 (repeat)  code       12 -> 9
  change view   14 -> 12

The remaining calls are the one `rev-parse` the refresh needs, the branch
and tree reads the page itself shows, and the detail pages' own git read.

server/web/overview.go +10−5

@@ -130,12 +130,8 @@ func (w Web) Overview(rw http.ResponseWriter, r http.Request) {
	130	130	// home in their own lists; the overview is a map of what is still being worked
	131	131	// on. A failed read leaves an empty section rather than failing the README page.
	132	132	func (w Web) overviewRecent(memo requestMemo, m *repo.Meta) (issues, requests []overviewEntity) {
	133		var numbers map[string]int
	134	133	if w.Index != nil {
	135	134	if err := w.ensureIndex(memo, m); err == nil {
	136		if nums, err := w.Index.Numbers(m.ID); err == nil {
	137		numbers = nums
	138		}
	139	135	if rows, err := w.Index.Issues(m.ID, index.Filter{State: "open"}); err == nil {
	140	136	for _, row := range rows {
	141	137	issues = append(issues, overviewEntity{
@@ -144,6 +140,15 @@ func (w Web) overviewRecent(memo requestMemo, m *repo.Meta) (issues, requests
	144	140	})
	145	141	}
	146	142	}
		143	if rows, err := w.Index.Requests(m.ID, index.RequestFilter{State: "open"}); err == nil {
		144	for _, row := range rows {
		145	requests = append(requests, overviewEntity{
		146	ID: row.ID, Title: row.Title, Author: row.Author,
		147	Created: row.Created, Number: row.Number,
		148	})
		149	}
		150	}
		151	return newestOverview(issues), newestOverview(requests)
	147	152	}
	148	153	}
	149	154	if list, err := w.requestsAt(memo, m); err == nil {
@@ -151,7 +156,7 @@ func (w Web) overviewRecent(memo requestMemo, m *repo.Meta) (issues, requests
	151	156	if req.Open() {
	152	157	requests = append(requests, overviewEntity{
	153	158	ID: req.ID, Title: req.Title, Author: req.Author,
	154		Created: req.Created, Number: numbers[req.ID],
		159	Created: req.Created,
	155	160	})
	156	161	}
	157	162	}