func init() {
blog_config, err := config.ReadJsonFile("blarg_config.json")
if err != nil {
panic(err)
}
root := config.Stringify(blog_config["blog_root"]) // test for default
m := pat.New()
handle_method := func(method string, urlpattern string, handler http.HandlerFunc) {
m.Add(method, root+urlpattern, handler)
}
handle := func(urlpattern string, handler http.HandlerFunc) {
m.Get(root+urlpattern, handler)
}
handle("list/:page/:invalid", http.NotFound)
handle("list/:page", layout.IndexPageHandler(blog_config, "list"))
handle("list/", layout.IndexListHandler(blog_config, "list"))
handle("index/", layout.IndexListHandler(blog_config, "list"))
handle("article/:name/:invalid", http.NotFound)
handle("article/:name", layout.GetArticle(blog_config, "article"))
handle("article/", http.NotFound)
handle("label/:label/:page/:invalid", http.NotFound)
handle("label/:label/:page", layout.LabelPage(blog_config, "label"))
handle("label/:label", layout.LabelList(blog_config, "label"))
handle("label/", http.NotFound)
handle("admin/edit/:name/:invalid", http.NotFound)
handle("admin/edit/:name", layout.EditPost(blog_config))
handle("admin/edit/", layout.EditPost(blog_config))
handle("admin/dump/all.json/:invalid", http.NotFound)
handle("admin/dump/all.json", layout.JSONAllEntries(blog_config))
handle("admin/dump/:invalid", http.NotFound)
handle("admin/gettext/:name/:invalid", http.NotFound)
handle("admin/gettext/:name", layout.GetPostText(blog_config))
handle_method("POST", "admin/render/:invalid", http.NotFound)
handle_method("POST", "admin/render/", layout.RenderPost(blog_config))
// pat seems to interfere with the blobstore's MIME parsing
http.HandleFunc(root+"admin/post", layout.Save(blog_config))
handle("sitemap.xml", layout.GetSitemap(blog_config))
m.Get("/index.rss", http.HandlerFunc(layout.GetRSS(blog_config)))
// matching on / will match all URLs
// so you have to catch invalid top-level URLs first
handle(":invalid/", http.NotFound)
handle("", layout.IndexListHandler(blog_config, "list"))
http.Handle(root, m)
}
func entrybar(blog_config map[string]interface{}, w http.ResponseWriter, req *http.Request) {
template_dir := "templates/"
appcontext := appengine.NewContext(req)
myurl, err := realhostname(req, appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
scheme := "http://"
if req.TLS != nil {
scheme = "https://"
}
urlprefix := scheme + myurl + config.Stringify(blog_config["blog_root"])
postchan := make(chan post.Post, 16)
errchan := make(chan error)
go post.ExecuteQuery(appcontext, post.GetAllPosts(), -1, -1, func(post.Post) bool { return true }, postchan, errchan)
for p := range postchan {
context := map[string]interface{}{"url": urlprefix + "article/" + p.StickyUrl,
"lastmod_date": p.Postdate.Format("2006-01-02")}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"edit_entrybar.html.mustache", total_con)
io.WriteString(w, c)
}
err, ok := <-errchan
if ok {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
func labels(tags []string, blog_config map[string]interface{}) string {
root := config.Stringify(blog_config["blog_root"])
labels := bytes.NewBufferString("")
for _, l := range tags {
if l != "visible" {
fmt.Fprintf(labels, "<a href=\"%slabel/%s\">%s</a> ", root, l, l)
}
}
return string(labels.Bytes())
}
func std_layout(blog_config map[string]interface{}, f func(w http.ResponseWriter, req *http.Request)) func(w http.ResponseWriter, req *http.Request) {
p := func(w http.ResponseWriter, req *http.Request) {
appcontext := appengine.NewContext(req)
myurl, err := realhostname(req, appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
scheme := "http://"
if req.TLS != nil {
scheme = "https://"
}
context := map[string]interface{}{"app_url": scheme + myurl + config.Stringify(blog_config["blog_root"])}
bloginfo := config.Stringify_map(config.Merge(blog_config, context))
start := time.Now()
template_dir := "templates/"
h := mustache.RenderFile(template_dir+"header.html.mustache", bloginfo)
io.WriteString(w, h)
f(w, req)
sidebar(w, req, blog_config)
delta := time.Since(start).Seconds()
timing := map[string]interface{}{"timing": fmt.Sprintf("%0.2fs", delta)}
if delta > 0.100 {
timing["slow_code"] = "true"
}
u := user.Current(appcontext)
if u != nil {
logout, err := user.LogoutURL(appcontext, "/")
if err != nil {
http.Error(w, "error generating logout URL!", http.StatusInternalServerError)
appcontext.Errorf("user.LogoutURL: %v", err)
return
}
timing["me"] = fmt.Sprintf("%s", u)
timing["logout"] = logout
}
bloginfo = config.Stringify_map(config.Merge(blog_config, timing))
f := mustache.RenderFile(template_dir+"footer.html.mustache", bloginfo)
io.WriteString(w, f)
}
return p
}
func getLimit(blog_config map[string]interface{}) (int, error) {
var limit int
if limtext, ok := blog_config["post_limit"]; ok {
_, err := fmt.Sscanf(config.Stringify(limtext), "%d", &limit)
if err != nil {
return 0, err
}
} else {
limit = 20
}
return limit, nil
}
func GetSitemap(blog_config map[string]interface{}) func(w http.ResponseWriter, req *http.Request) {
template_dir := "templates/"
l := func(w http.ResponseWriter, req *http.Request) {
appcontext := appengine.NewContext(req)
myurl, err := realhostname(req, appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
scheme := "http://"
if req.TLS != nil {
scheme = "https://"
}
urlprefix := scheme + myurl + config.Stringify(blog_config["blog_root"])
postchan := make(chan post.Post, 16)
errchan := make(chan error)
go post.ExecuteQuery(appcontext, post.GetAllPosts(), -1, -1, post.NullFilter, postchan, errchan)
entries := bytes.NewBufferString("")
me_context := map[string]interface{}{"url": urlprefix,
"lastmod_date": post.GetLatestDate(appcontext).Format("2006-01-02")}
me_total_con := config.Stringify_map(config.Merge(blog_config, me_context))
me_c := mustache.RenderFile(template_dir+"sitemap_entry.mustache", me_total_con)
io.WriteString(entries, me_c)
for p := range postchan {
context := map[string]interface{}{"url": urlprefix + "article/" + p.StickyUrl,
"lastmod_date": p.Postdate.Format("2006-01-02")}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"sitemap_entry.mustache", total_con)
io.WriteString(entries, c)
}
err, ok := <-errchan
if ok {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
context := map[string]interface{}{"content": entries}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"sitemap.mustache", total_con)
io.WriteString(w, c)
}
return l
}
func list(w http.ResponseWriter, req *http.Request, blog_config map[string]interface{}, url_stem string, offset int, limit int, keygen func(appengine.Context) ([]*datastore.Key, error)) {
appcontext := appengine.NewContext(req)
template_dir := "templates/"
postchan := make(chan post.FullPost, 16)
errchan := make(chan error)
keys, err := keygen(appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
idx := len(keys)
pages := idx / limit
if (idx % limit) > 0 {
pages += 1
}
curpage := offset / limit
if idx < 1 {
io.WriteString(w, fmt.Sprintf("<div class=\"entry\"><p>no posts found :(</p></div>"))
} else {
//go post.ExecuteQuery(appcontext, query, offset, limit, postchan, errchan)
go post.GetPosts(appcontext, keys, offset, limit, postchan, errchan)
myurl, err := realhostname(req, appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
scheme := "http://"
if req.TLS != nil {
scheme = "https://"
}
urlprefix := scheme + myurl + config.Stringify(blog_config["blog_root"])
for p := range postchan {
con := bytes.NewBuffer(blackfriday.MarkdownCommon(bytes.NewBufferString(p.Content).Bytes())).String()
context := map[string]interface{}{"c": con, "labels": labels(p.Post.Tags, blog_config),
"link_to_entry": urlprefix + "article/" + p.Post.StickyUrl,
"post_date": p.Post.Postdate.Format("Jan 02 2006"),
"post_title": p.Post.Title}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"list_entry.html.mustache", total_con)
io.WriteString(w, c)
}
err, ok := <-errchan
if ok {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
context := map[string]interface{}{}
root := config.Stringify(blog_config["blog_root"])
context["prev_page"] = "<< prev"
context["next_page"] = "next >>"
if pages > 1 {
context["pb"] = "true"
}
if curpage > 0 {
context["prev_page"] = fmt.Sprintf("<a href=\"%v%v/%v\"><< prev</a>", root, url_stem, curpage-1)
}
if curpage < (pages - 1) {
context["next_page"] = fmt.Sprintf("<a href=\"%v%v/%v\">next >></a>", root, url_stem, curpage+1)
}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"list.html.mustache", total_con)
io.WriteString(w, c)
}
}
func GetRSS(blog_config map[string]interface{}) func(w http.ResponseWriter, req *http.Request) {
template_dir := "templates/"
l := func(w http.ResponseWriter, req *http.Request) {
limit, err := getLimit(blog_config)
if err != nil {
panic(err)
}
appcontext := appengine.NewContext(req)
myurl, err := realhostname(req, appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
scheme := "http://"
if req.TLS != nil {
scheme = "https://"
}
urlprefix := scheme + myurl + config.Stringify(blog_config["blog_root"])
keys, err := post.GetPostsMatchingTag(appcontext, "visible")
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
idx := len(keys)
offset := 0
entries := new(bytes.Buffer)
if idx >= 1 {
postchan := make(chan post.FullPost, 16)
errchan := make(chan error)
go post.GetPosts(appcontext, keys, offset, limit, postchan, errchan)
for p := range postchan {
con := bytes.NewBuffer(blackfriday.MarkdownCommon(bytes.NewBufferString(p.Content).Bytes())).String()
context := map[string]interface{}{"c": con,
"link_to_entry": urlprefix + "article/" + p.Post.StickyUrl,
"post_date": p.Post.Postdate.Format("Jan 02 2006"),
"post_title": p.Post.Title}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"rss_entry.html.mustache", total_con)
io.WriteString(entries, c)
}
err, ok := <-errchan
if ok {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
context := map[string]interface{}{
"lastmod_date": post.GetLatestDate(appcontext).Format("2006-01-02"),
"content": entries,
}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"rss.mustache", total_con)
io.WriteString(w, c)
}
return l
}
func GetArticle(blog_config map[string]interface{}, url_stem string) func(w http.ResponseWriter, req *http.Request) {
template_dir := "templates/"
l := func(w http.ResponseWriter, req *http.Request) {
appcontext := appengine.NewContext(req)
query := post.GetPostsMatchingUrl(req.URL.Query().Get(":name"))
idx, err := post.GetCount(appcontext, query)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if idx < 1 {
http.Error(w, err.Error(), http.StatusNotFound)
io.WriteString(w, fmt.Sprintf("<div class=\"entry\"><p>no posts found :(</p></div>"))
return
} else {
myurl, err := realhostname(req, appcontext)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
scheme := "http://"
if req.TLS != nil {
scheme = "https://"
}
urlprefix := scheme + myurl + config.Stringify(blog_config["blog_root"])
var ps []post.Post
keys, err := query.GetAll(appcontext, &ps)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
p := ps[0]
tags, err := post.GetTagSlice(appcontext, keys[0])
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
content, err := post.GetPostContent(appcontext, p)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
appcontext.Errorf("post.GetPostContent: %v", err)
return
}
con := bytes.NewBuffer(blackfriday.MarkdownCommon(bytes.NewBufferString(content).Bytes())).String()
context := map[string]interface{}{"c": con, "labels": labels(tags, blog_config),
"link_to_entry": urlprefix + "article/" + p.StickyUrl,
"comment_display": "none",
"post_date": p.Postdate.Format("Oct 02 2006"),
"post_title": p.Title}
total_con := config.Stringify_map(config.Merge(blog_config, context))
c := mustache.RenderFile(template_dir+"entry.html.mustache", total_con)
io.WriteString(w, c)
}
}
return std_layout(blog_config, l)
}