vole
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A free and open-source forge that lives in your Git repo.
Merge change request 01M70WES5ZZDJ6RP226WB11BBZ: Let people rename and remove their own passkeys
keenan · 15m ago
4b8c9e1d
| 1 | package web |
| 2 | |
| 3 | // Commit pages: a commit's metadata above a tree of the files it touched, and |
| 4 | // the diff of the one file that is open. A broad commit is reviewed file by |
| 5 | // file, because rendering every patch at once turns one page load into every |
| 6 | // blob the commit touched. This is read-only like the rest of the web — the |
| 7 | // review itself is a git artifact, not a web session. |
| 8 | |
| 9 | import ( |
| 10 | "net/http" |
| 11 | |
| 12 | "rodent.software/vole/core/git" |
| 13 | ) |
| 14 | |
| 15 | // commitView is the commit page: the metadata, the changed-file tree, and the |
| 16 | // pane the selected file's diff renders in. |
| 17 | type commitView struct { |
| 18 | Page |
| 19 | Name string |
| 20 | Commit git.Commit |
| 21 | Body string |
| 22 | Parents []string |
| 23 | FileCount int |
| 24 | FilesTruncated bool |
| 25 | Tree []*treeNode |
| 26 | Main commitMainView |
| 27 | } |
| 28 | |
| 29 | // commitMainView is the diff pane, both as the page's main column and as the |
| 30 | // HTMX fragment a tree click swaps in. |
| 31 | type commitMainView struct { |
| 32 | Path string |
| 33 | Files []diffFile |
| 34 | Added int |
| 35 | Removed int |
| 36 | // A commit page is read-only, so a diff line has nowhere to attach a review |
| 37 | // comment; the diff component reads this and draws no comment control. |
| 38 | LineCommentURL string |
| 39 | } |
| 40 | |
| 41 | // CommitView renders one commit, opening the first file it touched. A path |
| 42 | // deep-links one file, and tree clicks fetch only the diff pane over HTMX. |
| 43 | func (w *Web) CommitView(rw http.ResponseWriter, r *http.Request) { |
| 44 | m, ok := w.open(rw, r) |
| 45 | if !ok { |
| 46 | return |
| 47 | } |
| 48 | g := m.Git() |
| 49 | sha, err := g.RevParse(r.PathValue("sha")) |
| 50 | if err != nil || sha == "" { |
| 51 | w.notFound(rw, r) |
| 52 | return |
| 53 | } |
| 54 | log, err := g.Log(sha, 1) |
| 55 | if err != nil || len(log) == 0 { |
| 56 | w.notFound(rw, r) |
| 57 | return |
| 58 | } |
| 59 | // The tree is built from the names alone: reading every file's hunks to find |
| 60 | // out which files the commit touched is what makes a commit page expensive. |
| 61 | changes, err := g.ShowNameStatus(sha) |
| 62 | if err != nil { |
| 63 | w.serverError(rw, r, "cannot read that commit: "+err.Error()) |
| 64 | return |
| 65 | } |
| 66 | files := changedFiles(changes) |
| 67 | truncated := false |
| 68 | if len(files) > maxTreeFiles { |
| 69 | files = files[:maxTreeFiles] |
| 70 | truncated = true |
| 71 | } |
| 72 | |
| 73 | selected := r.PathValue("path") |
| 74 | if selected == "" && len(files) > 0 { |
| 75 | selected = diffFilePath(files[0]) |
| 76 | } |
| 77 | chosen := -1 |
| 78 | for i := range files { |
| 79 | if diffFilePath(files[i]) == selected { |
| 80 | chosen = i |
| 81 | break |
| 82 | } |
| 83 | } |
| 84 | if selected != "" && chosen < 0 { |
| 85 | w.notFound(rw, r) |
| 86 | return |
| 87 | } |
| 88 | main, err := commitDiff(g, sha, selected, files, chosen) |
| 89 | if err != nil { |
| 90 | w.serverError(rw, r, "cannot read that commit: "+err.Error()) |
| 91 | return |
| 92 | } |
| 93 | if htmxRequest(r) { |
| 94 | w.render(rw, "commit_main", main, 0) |
| 95 | return |
| 96 | } |
| 97 | body, _ := g.CommitBody(sha) |
| 98 | parents, _ := g.CommitParents(sha) |
| 99 | w.render(rw, "commit", commitView{ |
| 100 | Page: w.page(r, m.Name+" · "+log[0].Subject), |
| 101 | Name: m.Name, |
| 102 | Commit: log[0], |
| 103 | Body: body, |
| 104 | Parents: parents, |
| 105 | FileCount: len(files), |
| 106 | FilesTruncated: truncated, |
| 107 | Tree: buildReviewTree(files, selected), |
| 108 | Main: main, |
| 109 | }, 0) |
| 110 | } |
| 111 | |
| 112 | // commitDiff reads the patch of the one file being shown, and only that file's. |
| 113 | func commitDiff(g *git.Repo, sha, selected string, files []diffFile, chosen int) (commitMainView, error) { |
| 114 | main := commitMainView{Path: selected} |
| 115 | if chosen < 0 { |
| 116 | return main, nil |
| 117 | } |
| 118 | f := files[chosen] |
| 119 | patch := "" |
| 120 | if len(f.pathspec()) > 0 { |
| 121 | var err error |
| 122 | if patch, err = g.ShowPatchPath(sha, f.pathspec()); err != nil { |
| 123 | return main, err |
| 124 | } |
| 125 | } |
| 126 | for _, p := range parseDiff(patch) { |
| 127 | if diffFilePath(p) == selected { |
| 128 | main.Files = []diffFile{p} |
| 129 | break |
| 130 | } |
| 131 | } |
| 132 | if main.Files == nil { |
| 133 | // A patch git printed nothing for (a mode change, for instance) still |
| 134 | // belongs in the pane: the tree lists it, so the pane can never pretend |
| 135 | // it is not there. |
| 136 | f.Language = prismLanguage(f.Label()) |
| 137 | main.Files = []diffFile{f} |
| 138 | } |
| 139 | main.Added, main.Removed = diffSummary(main.Files) |
| 140 | return main, nil |
| 141 | } |
| 142 | |
| 143 | // changedFiles turns a name-status list, or a change's inventory, into the rows a |
| 144 | // changed-file tree and its pane need: the same shape a parsed diff produces, so |
| 145 | // the status mark, the label and the line counts are derived the same way |
| 146 | // whichever read built them. |
| 147 | func changedFiles(changes []git.PathChange) []diffFile { |
| 148 | files := make([]diffFile, 0, len(changes)) |
| 149 | for _, c := range changes { |
| 150 | f := diffFile{OldPath: c.Old, NewPath: c.New, Added: c.Added, Removed: c.Removed, Binary: c.Binary} |
| 151 | f.Language = prismLanguage(f.Label()) |
| 152 | files = append(files, f) |
| 153 | } |
| 154 | return files |
| 155 | } |
| 156 |