mugit/internal/handlers/feed.go (view raw)
| 1 | package handlers |
| 2 | |
| 3 | import ( |
| 4 | "encoding/xml" |
| 5 | "net/http" |
| 6 | "net/url" |
| 7 | "time" |
| 8 | ) |
| 9 | |
| 10 | type rssFeedXML struct { |
| 11 | XMLName xml.Name `xml:"rss"` |
| 12 | Version string `xml:"version,attr"` |
| 13 | Channel rssChannelXML `xml:"channel"` |
| 14 | } |
| 15 | |
| 16 | type rssChannelXML struct { |
| 17 | Title string `xml:"title"` |
| 18 | Link string `xml:"link"` |
| 19 | Description string `xml:"description"` |
| 20 | Items []rssItemXML `xml:"item"` |
| 21 | } |
| 22 | |
| 23 | type rssItemXML struct { |
| 24 | Title string `xml:"title"` |
| 25 | Link string `xml:"link"` |
| 26 | GUID string `xml:"guid"` |
| 27 | Description string `xml:"description,omitempty"` |
| 28 | PubDate string `xml:"pubDate,omitempty"` |
| 29 | } |
| 30 | |
| 31 | func (h *handlers) repoFeedHandler(w http.ResponseWriter, r *http.Request) { |
| 32 | repo, err := h.openPublicRepo(r.PathValue("name"), "") |
| 33 | if err != nil { |
| 34 | h.write404(w, r.URL.Path, err) |
| 35 | return |
| 36 | } |
| 37 | |
| 38 | desc, err := repo.Description() |
| 39 | if err != nil { |
| 40 | h.write500(w, err) |
| 41 | return |
| 42 | } |
| 43 | |
| 44 | repoName := repo.Name() |
| 45 | feedLink, err := url.JoinPath("http://", h.c.Meta.Host, repoName) |
| 46 | if err != nil { |
| 47 | h.write500(w, err) |
| 48 | return |
| 49 | } |
| 50 | |
| 51 | feed := rssFeedXML{ |
| 52 | Version: "2.0", |
| 53 | Channel: rssChannelXML{ |
| 54 | Title: repoName, |
| 55 | Link: feedLink, |
| 56 | Description: desc, |
| 57 | }, |
| 58 | } |
| 59 | |
| 60 | // branches |
| 61 | branches, err := repo.Branches() |
| 62 | if err != nil { |
| 63 | h.write500(w, err) |
| 64 | return |
| 65 | } |
| 66 | |
| 67 | for _, branch := range branches { |
| 68 | href, _ := url.JoinPath("http://", h.c.Meta.Host, repoName, "tree", branch.Name) |
| 69 | it := rssItemXML{ |
| 70 | Title: "branch: " + branch.Name, |
| 71 | Link: href, |
| 72 | GUID: href, |
| 73 | } |
| 74 | if !branch.LastUpdate.IsZero() { |
| 75 | it.PubDate = branch.LastUpdate.Format(time.RFC1123Z) |
| 76 | } |
| 77 | feed.Channel.Items = append(feed.Channel.Items, it) |
| 78 | } |
| 79 | |
| 80 | // tags |
| 81 | tags, err := repo.Tags() |
| 82 | if err == nil { |
| 83 | for _, tag := range tags { |
| 84 | href, _ := url.JoinPath("http://", h.c.Meta.Host, repoName, "tree", tag.Name()) |
| 85 | it := rssItemXML{ |
| 86 | Title: "tag: " + tag.Name(), |
| 87 | Link: href, |
| 88 | GUID: href, |
| 89 | Description: tag.Message(), |
| 90 | } |
| 91 | if !tag.When().IsZero() { |
| 92 | it.PubDate = tag.When().Format(time.RFC1123Z) |
| 93 | } |
| 94 | feed.Channel.Items = append(feed.Channel.Items, it) |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | w.Header().Set("Content-Type", "application/rss+xml") |
| 99 | _, _ = w.Write([]byte(xml.Header)) |
| 100 | if err := xml.NewEncoder(w).Encode(feed); err != nil { |
| 101 | h.write500(w, err) |
| 102 | return |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | func (h *handlers) indexFeedHandler(w http.ResponseWriter, r *http.Request) { |
| 107 | repos, err := h.listPublicRepos() |
| 108 | if err != nil { |
| 109 | h.write500(w, err) |
| 110 | return |
| 111 | } |
| 112 | |
| 113 | feedLink, err := url.JoinPath("http://", h.c.Meta.Host) |
| 114 | if err != nil { |
| 115 | h.write500(w, err) |
| 116 | return |
| 117 | } |
| 118 | |
| 119 | feed := rssFeedXML{ |
| 120 | Version: "2.0", |
| 121 | Channel: rssChannelXML{ |
| 122 | Title: h.c.Meta.Host, |
| 123 | Link: feedLink, |
| 124 | Description: h.c.Meta.Description, |
| 125 | }, |
| 126 | } |
| 127 | |
| 128 | for _, repo := range repos { |
| 129 | href, _ := url.JoinPath("http://", h.c.Meta.Host, repo.Name) |
| 130 | it := rssItemXML{ |
| 131 | Title: repo.Name, |
| 132 | Link: href, |
| 133 | GUID: href, |
| 134 | Description: repo.Desc, |
| 135 | } |
| 136 | if !repo.LastCommit.IsZero() { |
| 137 | it.PubDate = repo.LastCommit.Format(time.RFC1123Z) |
| 138 | } |
| 139 | feed.Channel.Items = append(feed.Channel.Items, it) |
| 140 | } |
| 141 | |
| 142 | w.Header().Set("Content-Type", "application/rss+xml") |
| 143 | _, _ = w.Write([]byte(xml.Header)) |
| 144 | if err := xml.NewEncoder(w).Encode(feed); err != nil { |
| 145 | h.write500(w, err) |
| 146 | return |
| 147 | } |
| 148 | } |