routes/template.go (view raw)
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import (
"bytes"
"io"
"log"
"net/http"
"strings"
"alin.ovh/elgit/git"
"alin.ovh/elgit/templates"
)
func (d *deps) Write404(w http.ResponseWriter) {
w.WriteHeader(http.StatusNotFound)
data := templates.PageData{
Meta: d.c.Meta,
}
if err := templates.NotFoundPage(data).Render(w); err != nil {
log.Printf("404 template: %s", err)
}
}
func (d *deps) Write500(w http.ResponseWriter) {
w.WriteHeader(http.StatusInternalServerError)
data := templates.PageData{
Meta: d.c.Meta,
}
if err := templates.ErrorPage(data).Render(w); err != nil {
log.Printf("500 template: %s", err)
}
}
func (d *deps) listFiles(files []git.NiceTree, data map[string]any, w http.ResponseWriter) {
pageData := templates.PageData{
Meta: d.c.Meta,
DisplayName: getDisplayName(data["name"].(string)),
Name: data["name"].(string),
Ref: data["ref"].(string),
Description: data["desc"].(string),
Parent: "",
}
if parent, ok := data["parent"]; ok && parent != nil {
pageData.Parent = parent.(string)
}
readme := ""
if readmeContent, ok := data["readme"]; ok && readmeContent != nil {
readme = readmeContent.(string)
}
dotdot := ""
if dotdotPath, ok := data["dotdot"]; ok && dotdotPath != nil {
dotdot = dotdotPath.(string)
}
if err := templates.TreePage(pageData, files, readme, dotdot).Render(w); err != nil {
log.Println(err)
return
}
}
func countLines(r io.Reader) (int, error) {
buf := make([]byte, 32*1024)
bufLen := 0
count := 0
nl := []byte{'\n'}
for {
c, err := r.Read(buf)
if c > 0 {
bufLen += c
}
count += bytes.Count(buf[:c], nl)
switch {
case err == io.EOF:
/* handle last line not having a newline at the end */
if bufLen >= 1 && buf[(bufLen-1)%(32*1024)] != '\n' {
count++
}
return count, nil
case err != nil:
return 0, err
}
}
}
func (d *deps) showFile(content string, data map[string]any, w http.ResponseWriter) {
lc, err := countLines(strings.NewReader(content))
if err != nil {
// Non-fatal, we'll just skip showing line numbers in the template.
log.Printf("counting lines: %s", err)
}
lines := make([]int, lc)
if lc > 0 {
for i := range lines {
lines[i] = i + 1
}
}
pageData := templates.PageData{
Meta: d.c.Meta,
DisplayName: getDisplayName(data["name"].(string)),
LineCount: lines,
Content: content,
Name: data["name"].(string),
Ref: data["ref"].(string),
Description: data["desc"].(string),
Path: data["path"].(string),
}
if err := templates.FilePage(pageData).Render(w); err != nil {
log.Println(err)
return
}
}
func (d *deps) showRaw(content string, w http.ResponseWriter) {
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "text/plain")
_, err := w.Write([]byte(content))
if err != nil {
log.Println(err)
d.Write500(w)
}
}
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