Files
silo-mod/internal/api/web.go
2026-01-24 15:03:17 -06:00

93 lines
2.5 KiB
Go

package api
import (
"bytes"
"embed"
"html/template"
"net/http"
"github.com/rs/zerolog"
)
//go:embed templates/*.html
var templatesFS embed.FS
// WebHandler serves HTML pages.
type WebHandler struct {
templates *template.Template
logger zerolog.Logger
}
// NewWebHandler creates a new web handler.
func NewWebHandler(logger zerolog.Logger) (*WebHandler, error) {
// Parse templates from embedded filesystem
tmpl, err := template.ParseFS(templatesFS, "templates/*.html")
if err != nil {
return nil, err
}
return &WebHandler{
templates: tmpl,
logger: logger,
}, nil
}
// PageData holds data for page rendering.
type PageData struct {
Title string
Page string
Data any
}
// render executes a page template within the base layout.
func (h *WebHandler) render(w http.ResponseWriter, page string, data PageData) {
// First, render the page-specific content
var contentBuf bytes.Buffer
if err := h.templates.ExecuteTemplate(&contentBuf, page+".html", data); err != nil {
h.logger.Error().Err(err).Str("page", page).Msg("failed to render page template")
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
// Now render the base template with the content
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if err := h.templates.ExecuteTemplate(w, "base.html", data); err != nil {
h.logger.Error().Err(err).Msg("failed to render base template")
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
}
}
// HandleIndex serves the main items page.
func (h *WebHandler) HandleIndex(w http.ResponseWriter, r *http.Request) {
// Check if this is the root path
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
data := PageData{
Title: "Items",
Page: "items",
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if err := h.templates.ExecuteTemplate(w, "base.html", data); err != nil {
h.logger.Error().Err(err).Msg("failed to render template")
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
}
}
// HandleSchemasPage serves the schemas page.
func (h *WebHandler) HandleSchemasPage(w http.ResponseWriter, r *http.Request) {
data := PageData{
Title: "Schemas",
Page: "schemas",
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if err := h.templates.ExecuteTemplate(w, "base.html", data); err != nil {
h.logger.Error().Err(err).Msg("failed to render template")
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
}
}