Add jukebox_maker web app v1.0

Go web application for filling USB drives with media files.
Runs in Docker on Unraid with /media, /mnt/usb, /config volumes.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

internal/api/server.go

@@ -0,0 +1,100 @@
+package api
+
+import (
+	"encoding/json"
+	"html/template"
+	"net/http"
+
+	webui "jukebox_maker/web"
+
+	"jukebox_maker/internal/config"
+	"jukebox_maker/internal/copier"
+	"jukebox_maker/internal/task"
+	"jukebox_maker/internal/watcher"
+)
+
+type Deps struct {
+	Config     *config.Config
+	ConfigPath string
+	Watcher    *watcher.Watcher
+	Copier     *copier.Copier
+	Tasks      *task.Store
+	MediaPath  string
+	MountPath  string
+}
+
+type Server struct {
+	deps      Deps
+	dashboard *template.Template
+	settings  *template.Template
+	mux       *http.ServeMux
+}
+
+func New(deps Deps) (*Server, error) {
+	dash, err := template.ParseFS(webui.FS, "templates/layout.html", "templates/dashboard.html")
+	if err != nil {
+		return nil, err
+	}
+	sett, err := template.ParseFS(webui.FS, "templates/layout.html", "templates/settings.html")
+	if err != nil {
+		return nil, err
+	}
+
+	s := &Server{deps: deps, dashboard: dash, settings: sett, mux: http.NewServeMux()}
+	s.routes()
+	return s, nil
+}
+
+func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	s.mux.ServeHTTP(w, r)
+}
+
+func (s *Server) routes() {
+	s.mux.Handle("GET /static/", http.FileServerFS(webui.FS))
+
+	s.mux.HandleFunc("GET /", s.handleDashboard)
+	s.mux.HandleFunc("GET /settings", s.handleSettings)
+
+	s.mux.HandleFunc("GET /health", s.handleHealth)
+	s.mux.HandleFunc("GET /api/disk", s.handleDiskStatus)
+	s.mux.HandleFunc("GET /api/sources", s.handleSources)
+	s.mux.HandleFunc("GET /api/config", s.handleGetConfig)
+	s.mux.HandleFunc("PUT /api/config", s.handlePutConfig)
+	s.mux.HandleFunc("POST /api/copy/start", s.handleCopyStart)
+	s.mux.HandleFunc("POST /api/copy/cancel", s.handleCopyCancel)
+	s.mux.HandleFunc("GET /api/tasks/{id}", s.handleTaskGet)
+}
+
+func (s *Server) handleDashboard(w http.ResponseWriter, r *http.Request) {
+	if r.URL.Path != "/" {
+		http.NotFound(w, r)
+		return
+	}
+	s.render(w, s.dashboard, map[string]any{"Title": "Dashboard", "Page": "dashboard"})
+}
+
+func (s *Server) handleSettings(w http.ResponseWriter, r *http.Request) {
+	s.render(w, s.settings, map[string]any{"Title": "Настройки", "Page": "settings"})
+}
+
+func (s *Server) handleHealth(w http.ResponseWriter, r *http.Request) {
+	jsonOK(w, map[string]string{"status": "ok"})
+}
+
+func (s *Server) render(w http.ResponseWriter, tmpl *template.Template, data any) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := tmpl.ExecuteTemplate(w, "layout", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func jsonOK(w http.ResponseWriter, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(v)
+}
+
+func jsonErr(w http.ResponseWriter, code int, msg string) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(code)
+	json.NewEncoder(w).Encode(map[string]string{"error": msg})
+}