tenseleyflow/shithub / 6cb4002

Browse files

S19: wire diff renderer into commit page; unified/split + hide-WS toggles

Authored by mfwolffe <wolffemf@dukes.jmu.edu>
SHA
6cb40023e672ef53cd98c98154e6f2b8f4df977d
Parents
4b0cbf3
Tree
01aee09

3 changed files

StatusFile+-
M internal/web/handlers/repo/history.go 35 8
M internal/web/static/css/shithub.css 67 0
M internal/web/templates/repo/commit.html 14 2
internal/web/handlers/repo/history.gomodified
@@ -14,6 +14,9 @@ import (
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 	"github.com/go-chi/chi/v5"
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 	"github.com/tenseleyFlow/shithub/internal/auth/policy"
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+	diffparse "github.com/tenseleyFlow/shithub/internal/repos/diff/parse"
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+	diffrender "github.com/tenseleyFlow/shithub/internal/repos/diff/render"
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+	diffsource "github.com/tenseleyFlow/shithub/internal/repos/diff/source"
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 	"github.com/tenseleyFlow/shithub/internal/repos/git"
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 	repogit "github.com/tenseleyFlow/shithub/internal/repos/git"
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 	"github.com/tenseleyFlow/shithub/internal/repos/identity"
@@ -159,6 +162,27 @@ func (h *Handlers) commitView(w http.ResponseWriter, r *http.Request) {
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 	author := resolver.Resolve(r.Context(), detail.AuthorEmail)
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 	committer := resolver.Resolve(r.Context(), detail.CommitterEmail)
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+	// S19 diff render: source the patch from the SHA and inline-render.
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+	mode := diffrender.ModeUnified
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+	if r.URL.Query().Get("diff") == "split" {
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+		mode = diffrender.ModeSplit
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+	}
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+	hideWS := r.URL.Query().Get("w") == "1"
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+	patch, perr := diffsource.FromCommit(r.Context(), gitDir, detail.OID, diffsource.Options{
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+		IgnoreWhitespace: hideWS, FindRenames: true,
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+	})
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+	var diffHTML template.HTML
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+	if perr != nil {
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+		h.d.Logger.WarnContext(r.Context(), "commit: diff source", "error", perr)
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+	} else {
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+		parsed, perr2 := diffparse.ParseBytes(patch)
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+		if perr2 != nil {
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+			h.d.Logger.WarnContext(r.Context(), "commit: diff parse", "error", perr2)
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+		} else {
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+			diffHTML = template.HTML(diffrender.Diff(parsed, diffrender.Options{Mode: mode})) //nolint:gosec // escapes inside
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+		}
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+	}
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+
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 	h.d.Render.RenderPage(w, r, "repo/commit", map[string]any{
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 		"Title":      detail.Subject + " · " + row.Name,
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 		"CSRFToken":  middleware.CSRFTokenForRequest(r),
@@ -168,6 +192,9 @@ func (h *Handlers) commitView(w http.ResponseWriter, r *http.Request) {
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 		"Author":     author,
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 		"Committer":  committer,
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 		"BodyHTML":   template.HTML(linkifyCommitBody(detail.Body)), //nolint:gosec // escaped inside
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+		"DiffHTML":   diffHTML,
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+		"DiffMode":   string(mode),
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+		"HideWS":     hideWS,
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 	})
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 }
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internal/web/static/css/shithub.cssmodified
@@ -1087,3 +1087,70 @@ code {
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   text-align: center;
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   color: var(--fg-muted);
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 }
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+
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+/* ========== Diff renderer (S19) ========== */
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+.shithub-commit-files-head {
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+  display: flex;
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+  align-items: center;
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+  justify-content: space-between;
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+  margin-bottom: 0.5rem;
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+}
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+.shithub-diff-toggles { display: flex; gap: 0.25rem; }
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+.shithub-diff-body { margin-top: 1rem; }
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+.shithub-diff-file {
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+  margin-top: 1rem;
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+  border: 1px solid var(--border-default);
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+  border-radius: 6px;
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+  overflow: hidden;
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+}
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+.shithub-diff-file-head {
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+  display: flex;
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+  align-items: center;
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+  justify-content: space-between;
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+  gap: 0.75rem;
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+  padding: 0.5rem 0.75rem;
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+  background: var(--canvas-subtle);
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+  border-bottom: 1px solid var(--border-default);
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+  font-size: 0.875rem;
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+}
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+.shithub-diff-file-action { color: var(--fg-muted); font-style: italic; }
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+.shithub-diff-binary, .shithub-diff-image, .shithub-diff-empty, .shithub-diff-truncated {
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+  padding: 1rem;
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+  text-align: center;
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+  color: var(--fg-muted);
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+}
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+.shithub-diff-file-toolarge { padding: 0.5rem 0.75rem; }
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+.shithub-diff-file-toolarge > summary { cursor: pointer; color: var(--fg-muted); }
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+.shithub-diff-table {
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+  width: 100%;
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+  border-collapse: collapse;
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+  font-family: monospace;
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+  font-size: 0.85rem;
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+  table-layout: fixed;
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+}
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+.shithub-diff-table td { padding: 0 0.5rem; vertical-align: top; }
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+.shithub-diff-table pre { margin: 0; white-space: pre; }
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+.shithub-diff-lineno {
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+  width: 50px;
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+  text-align: right;
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+  color: var(--fg-muted);
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+  user-select: none;
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+  background: var(--canvas-subtle);
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+}
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+.shithub-diff-content { width: auto; }
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+.shithub-diff-add { background: rgba(46, 160, 67, 0.10); }
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+.shithub-diff-del { background: rgba(248, 81, 73, 0.10); }
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+.shithub-diff-add .shithub-diff-content { background: rgba(46, 160, 67, 0.05); }
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+.shithub-diff-del .shithub-diff-content { background: rgba(248, 81, 73, 0.05); }
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+.shithub-diff-pad { background: var(--canvas-subtle); }
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+.shithub-diff-hunk-head td {
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+  padding: 0.4rem 0.75rem;
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+  background: var(--canvas-default);
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+  border-top: 1px solid var(--border-default);
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+  border-bottom: 1px solid var(--border-default);
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+  color: var(--fg-muted);
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+}
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+.shithub-diff-split td.shithub-diff-content {
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+  width: 50%;
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+  border-left: 1px solid var(--border-default);
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+}
internal/web/templates/repo/commit.htmlmodified
@@ -53,7 +53,14 @@
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   </article>
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   <section class="shithub-commit-files">
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+    <header class="shithub-commit-files-head">
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       <h3>{{ len .Detail.Files }} changed file{{ if ne (len .Detail.Files) 1 }}s{{ end }}</h3>
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+      <nav class="shithub-diff-toggles" aria-label="Diff options">
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+        <a href="?diff=unified{{ if .HideWS }}&amp;w=1{{ end }}" class="shithub-button {{ if eq .DiffMode "unified" }}shithub-button-primary{{ end }}">Unified</a>
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+        <a href="?diff=split{{ if .HideWS }}&amp;w=1{{ end }}" class="shithub-button {{ if eq .DiffMode "split" }}shithub-button-primary{{ end }}">Split</a>
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+        <a href="?diff={{ .DiffMode }}{{ if not .HideWS }}&amp;w=1{{ end }}" class="shithub-button {{ if .HideWS }}shithub-button-primary{{ end }}">Hide whitespace</a>
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+      </nav>
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+    </header>
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     <table class="shithub-commit-files-table">
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       <thead>
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         <tr><th>Status</th><th>File</th><th class="shithub-num-col">+</th><th class="shithub-num-col">-</th></tr>
@@ -72,7 +79,12 @@
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         {{ end }}
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       </tbody>
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     </table>
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-    <p class="shithub-hint">Per-file diff bodies render once S19 ships.</p>
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   </section>
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+
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+  {{ if .DiffHTML }}
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+  <section class="shithub-diff-body" aria-label="Per-file diff">
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+    {{ .DiffHTML }}
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+  </section>
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+  {{ end }}
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 </section>
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 {{- end }}