package projects import ( "bytes" "code.laria.me/code.laria.me/git" "html" "html/template" "io" "log" "os" "os/exec" "path" "strings" ) type ReadmeFormat string const ( ReadmeMarkdown ReadmeFormat = "markdown" ReadmePlain ReadmeFormat = "plain" ) func (f ReadmeFormat) Format(raw []byte) template.HTML { switch f { case ReadmeMarkdown: return formatMarkdown(raw) default: return template.HTML("
" + html.EscapeString(string(raw)) + "
")
}
}
func formatMarkdown(raw []byte) template.HTML {
p := exec.Command("markdown")
buf := new(bytes.Buffer)
p.Stdin = bytes.NewReader(raw)
p.Stdout = buf
if err := p.Run(); err != nil {
log.Printf("Failed formatting markdown readme: %s", err)
return "Failed formatting markdown :("
}
return template.HTML(buf.Bytes())
}
func gitReadme(gitpath string) (raw []byte, name string, err error) {
ents, err := git.ReadTree(gitpath, "master")
if err != nil {
return raw, name, err
}
for _, ent := range ents {
if ent.Type == "blob" && strings.HasPrefix(strings.ToLower(ent.Name), "readme") {
name = ent.Name
raw, err = git.ReadBlob(gitpath, ent.Object)
return
}
}
return
}
func (p *Project) formatReadme() {
readme_name := ""
var readme_raw []byte
if p.ReadmePath != "" {
fullpath := p.ReadmePath
if !path.IsAbs(fullpath) {
fullpath = path.Join(p.dir, fullpath)
}
fullpath = path.Clean(fullpath)
f, err := os.Open(fullpath)
if err != nil {
log.Printf("Could not get readme for %s: failed opening %s: %s", p.Name, fullpath, err)
return
}
defer f.Close()
buf := new(bytes.Buffer)
if _, err := io.Copy(buf, f); err != nil {
log.Printf("Could not get readme for %s: failed reading %s: %s", p.Name, fullpath, err)
return
}
readme_raw = buf.Bytes()
readme_name = fullpath
} else if len(p.Git) > 0 {
var err error
readme_raw, readme_name, err = gitReadme(p.Git)
if err != nil {
log.Printf("Could not get readme for %s from git: %s", p.Name, err)
return
}
if readme_name == "" {
return
}
} else {
return
}
format := ReadmePlain
switch strings.ToLower(path.Ext(readme_name)) {
case ".md", ".mkd", ".markdown":
format = ReadmeMarkdown
}
p.FormattedReadme = format.Format(readme_raw)
}