internal/httpd/page.go

 1package httpd
 2
 3import (
 4	"net/http"
 5
 6	"gitbay.org/gitbay/internal/policy"
 7	"gitbay.org/gitbay/internal/store"
 8)
 9
10// railRepo is one pinned repository in the rail.
11type railRepo struct {
12	Owner string
13	Name  string
14}
15
16// rail is the viewer's cross-repo state the layout needs. The rail itself
17// is icons only, so what is left is the unread count on its bell; the
18// pinned repositories it used to list are rendered by the dashboard.
19type rail struct {
20	Pinned []railRepo
21	Unread int
22}
23
24// basePage is what the layout needs on every page, repo or not. Page
25// structs embed it so the rail and the site name are always in scope.
26type basePage struct {
27	// Site is the instance's display name; Host is the name a command or
28	// URL must use. Anything copy-pasteable takes Host.
29	Site   string
30	Host   string
31	Viewer string
32	Admin  bool // the viewer is an instance admin: the rail shows /admin
33	Rail   rail
34}
35
36// base builds the layout-wide data for a request that has not already
37// resolved a viewer.
38func (s *Server) base(r *http.Request) basePage {
39	if s.cfg.Web.Mode != "accounts" {
40		return basePage{Site: s.siteName(), Host: s.cfg.SiteHost()}
41	}
42	return s.baseFor(s.viewer(r))
43}
44
45// baseFor is base for a handler that already holds the viewer, so the
46// session lookup is not repeated.
47func (s *Server) baseFor(viewer store.User) basePage {
48	b := basePage{Site: s.siteName(), Host: s.cfg.SiteHost()}
49	if viewer.ID == 0 {
50		return b
51	}
52	b.Viewer = viewer.Username
53	b.Admin = viewer.IsAdmin
54	b.Rail = s.railFor(viewer)
55	return b
56}
57
58// railFor collects the viewer's pinned repositories and unread count,
59// dropping anything they may no longer read.
60func (s *Server) railFor(viewer store.User) rail {
61	var rl rail
62	pinned, _ := s.st.PinnedRepos(viewer.ID)
63	for _, rp := range pinned {
64		grant, _ := s.st.AccessRole(rp.ID, viewer.ID)
65		if policy.CanRead(viewer, rp, grant) {
66			rl.Pinned = append(rl.Pinned, railRepo{Owner: rp.OwnerName, Name: rp.Name})
67		}
68	}
69	rl.Unread = s.st.UnreadNotices(viewer.ID)
70	return rl
71}