web: add per-project nav HTML support

Add a nav_html column to the project table so that each project can
display custom HTML elements in the navigation bar. The per-project
HTML is rendered after the global nav HTML when viewing project-scoped
pages (patch list, patch detail, cover detail, bundles, todo, project
detail).

Introduce a projectPageCtx() helper that wraps pageCtx() and sets the
project-specific nav HTML, keeping the change minimal across handlers.

Signed-off-by: Robin Jarry <robin@jarry.cc>

Author: rjarry

pkg/db/migrations/0001_initial_schema.go

@@ -88,6 +88,7 @@ type project0001 struct {
 	UseTags              bool   `bun:"use_tags,notnull"`
 	ShowDependencies     bool   `bun:"show_dependencies,notnull"`
 	AutoSupersede        bool   `bun:"auto_supersede,notnull"`
+	NavHTML              string `bun:"nav_html"`
 }
 
 type projectMaintainer0001 struct {

pkg/db/models.go

@@ -91,6 +91,7 @@ type Project struct {
 	UseTags              bool   `bun:"use_tags,notnull" json:"-"`
 	ShowDependencies     bool   `bun:"show_dependencies,notnull" json:"show_dependencies,omitempty"`
 	AutoSupersede        bool   `bun:"auto_supersede,notnull" json:"-"`
+	NavHTML              string `bun:"nav_html" json:"-"`
 
 	APIURL      string `bun:"-" json:"url,omitempty"`
 	Maintainers []User `bun:"-" json:"maintainers"`

pkg/web/bundles.go

@@ -45,14 +45,14 @@ func (h *webHandler) BundleList(w http.ResponseWriter, r *http.Request) {
 func (h *webHandler) ProjectBundleList(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
 	q := db.GetQueries(ctx)
-	pc := h.pageCtx(r)
 	linkname := chi.URLParam(r, "linkname")
 
 	project, err := q.GetProjectByLinkname(linkname)
 	if err != nil {
 		notFoundPage(w)
 		return
 	}
+	pc := h.projectPageCtx(r, project)
 
 	sq := q.DB.NewSelect().Model((*db.Bundle)(nil)).
 		ColumnExpr("*, (SELECT count(*) FROM bundle_patch WHERE bundle_id = bundle.id) AS patch_count").

pkg/web/covers.go

@@ -77,7 +77,7 @@ func (h *webHandler) CoverDetailPage(w http.ResponseWriter, r *http.Request) {
 	comments, _ := q.ListCoverComments(cover.ID)
 
 	data := coverDetailData{
-		PC:       h.pageCtx(r),
+		PC:       h.projectPageCtx(r, project),
 		Project:  *project,
 		Cover:    cover,
 		Comments: comments,

pkg/web/layout.templ

@@ -13,12 +13,13 @@ type breadcrumb struct {
 }
 
 type pageContext struct {
-	User       *db.User
-	CSRFToken  string
-	Version    string
-	CustomCSS  bool
-	NavHTML    string
-	FooterHTML string
+	User           *db.User
+	CSRFToken      string
+	Version        string
+	CustomCSS      bool
+	NavHTML         string
+	ProjectNavHTML string
+	FooterHTML     string
 }
 
 templ layout(title string, crumbs []breadcrumb, pc pageContext) {
@@ -65,6 +66,9 @@ templ layout(title string, crumbs []breadcrumb, pc pageContext) {
 				if pc.NavHTML != "" {
 					@templ.Raw(pc.NavHTML)
 				}
+				if pc.ProjectNavHTML != "" {
+					@templ.Raw(pc.ProjectNavHTML)
+				}
 			</header>
 			<main>
 				{ children... }

pkg/web/patches.go

@@ -119,7 +119,7 @@ func (h *webHandler) PatchList(w http.ResponseWriter, r *http.Request) {
 	delegates, _ := q.ListProjectMaintainers(project.ID)
 
 	data := patchListData{
-		PC:          h.pageCtx(r),
+		PC:          h.projectPageCtx(r, project),
 		Project:     *project,
 		Patches:     patches,
 		Filters:     filters,
@@ -391,7 +391,7 @@ func (h *webHandler) PatchDetailPage(w http.ResponseWriter, r *http.Request) {
 	}
 
 	data := patchDetailData{
-		PC:             h.pageCtx(r),
+		PC:             h.projectPageCtx(r, project),
 		Project:        *project,
 		Patch:          patch,
 		Comments:       comments,

pkg/web/projects.go

@@ -46,5 +46,5 @@ func (h *webHandler) ProjectDetail(w http.ResponseWriter, r *http.Request) {
 		Where("archived = ?", false).
 		Count(q.Ctx)
 
-	projectDetailPage(h.pageCtx(r), *project, maintainers, nPatches).Render(ctx, w)
+	projectDetailPage(h.projectPageCtx(r, project), *project, maintainers, nPatches).Render(ctx, w)
 }

pkg/web/todo.go

@@ -59,14 +59,14 @@ func (h *webHandler) todoList(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
 	q := db.GetQueries(ctx)
 	user := getWebUser(r)
-	pc := h.pageCtx(r)
 	linkname := chi.URLParam(r, "linkname")
 
 	project, err := q.GetProjectByLinkname(linkname)
 	if err != nil {
 		notFoundPage(w)
 		return
 	}
+	pc := h.projectPageCtx(r, project)
 
 	var patches []db.Patch
 	q.DB.NewSelect().Model(&patches).

pkg/web/web.go

@@ -294,6 +294,12 @@ func (h *webHandler) pageCtx(r *http.Request) pageContext {
 	}
 }
 
+func (h *webHandler) projectPageCtx(r *http.Request, p *db.Project) pageContext {
+	pc := h.pageCtx(r)
+	pc.ProjectNavHTML = p.NavHTML
+	return pc
+}
+
 func notFoundPage(w http.ResponseWriter) {
 	w.WriteHeader(http.StatusNotFound)
 	_, _ = w.Write([]byte("Not found"))