go-blocks/render.go

56 lines
1.2 KiB
Go

package goblocks
import (
"encoding/json"
"log/slog"
"net/http"
"strings"
)
type stringWriter struct {
builder strings.Builder
header http.Header
}
func newStringWriter() *stringWriter {
return &stringWriter{
header: make(http.Header),
}
}
func (w *stringWriter) Header() http.Header {
return w.header
}
func (w *stringWriter) Write(b []byte) (int, error) {
return w.builder.Write(b)
}
func (w *stringWriter) WriteHeader(statusCode int) {}
func (a *App) JSON(w http.ResponseWriter, code int, v any) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(code)
json.NewEncoder(w).Encode(v)
}
func (a *App) HTML(w http.ResponseWriter, code int, layout, page string, td *TemplateData) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(code)
err := a.Templates.Template(w, layout, page, td)
if err != nil {
slog.Error("error rendering template", "error", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
func (a *App) RenderComponent(name string, td *TemplateData) (string, error) {
result, err := a.Templates.RenderComponent(name, td)
if err != nil {
slog.Error("error rendering component", "component", name, "error", err)
return "", err
}
return result, nil
}