owenandClaude Sonnet 5
ba1f7c4c03
Self-contained HTTP/HTTPS/TCP/UDP reverse proxy manager written in Go, with SQLite storage, a Bootstrap 5 admin UI (Go templates, no JS framework), and a REST API under /api/v1. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QTXFrNP1imCW7jtfL5SZrw
100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package web
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import (
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"fmt"
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"html/template"
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"net/http"
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"strings"
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"time"
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)
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var funcMap = template.FuncMap{
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"join": func(items []string, sep string) string { return strings.Join(items, sep) },
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"fmtTime": func(t time.Time) string {
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if t.IsZero() {
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return "-"
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}
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return t.Format("2006-01-02 15:04:05")
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},
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"timeAgo": timeAgo,
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"deref": func(t *time.Time) time.Time {
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if t == nil {
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return time.Time{}
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}
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return *t
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},
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"deref64": func(v *int64) int64 {
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if v == nil {
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return 0
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}
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return *v
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},
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"slice": func(items ...int) []int { return items },
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"add": func(a, b int) int { return a + b },
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"sub": func(a, b int) int { return a - b },
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"mul": func(a, b int) int { return a * b },
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"iterate": func(n int) []int {
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out := make([]int, n)
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for i := range out {
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out[i] = i
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}
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return out
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},
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"statusClass": func(status int) string {
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switch {
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case status >= 500:
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return "text-danger"
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case status >= 400:
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return "text-warning"
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case status >= 300:
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return "text-info"
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default:
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return "text-success"
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}
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},
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}
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func timeAgo(t time.Time) string {
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if t.IsZero() {
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return "never"
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}
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d := time.Since(t)
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switch {
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case d < time.Minute:
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return "just now"
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case d < time.Hour:
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return fmt.Sprintf("%dm ago", int(d.Minutes()))
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case d < 24*time.Hour:
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return fmt.Sprintf("%dh ago", int(d.Hours()))
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default:
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return fmt.Sprintf("%dd ago", int(d.Hours()/24))
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}
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}
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var templates *template.Template
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func init() {
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t, err := template.New("").Funcs(funcMap).ParseFS(templatesFS, "templates/*.html", "templates/partials/*.html")
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if err != nil {
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panic(err)
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}
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templates = t
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}
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// PageData is the common envelope passed to every page template.
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type PageData struct {
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Active string // nav item key for sidebar highlighting
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Title string
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CSRFToken string
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Flash string
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FlashKind string // success|danger|warning
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Data any
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}
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func render(w http.ResponseWriter, name string, data PageData) {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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if err := templates.ExecuteTemplate(w, name, data); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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