Initial commit: party-mix-app with prefetch cache, audio preload optimizations

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

apps/backend/internal/router/router.go

@@ -0,0 +1,84 @@
+package router
+
+import (
+	"net/http"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+	"github.com/toyffee/party-mix/internal/handlers"
+	"gorm.io/gorm"
+)
+
+func New(db *gorm.DB, jwtSecret string) *gin.Engine {
+	r := gin.Default()
+
+	r.Use(cors.New(cors.Config{
+		AllowAllOrigins:  true,
+		AllowMethods:     []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
+		AllowHeaders:     []string{"Origin", "Content-Type", "Authorization"},
+		ExposeHeaders:    []string{"Content-Length", "Content-Range", "Accept-Ranges"},
+		AllowCredentials: false,
+	}))
+
+	r.GET("/health", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"status": "ok"})
+	})
+
+	proxy := r.Group("/api/proxy")
+	{
+		proxy.GET("/search", handlers.SearchHandler)
+		proxy.GET("/top", handlers.TopChartsHandler)
+		proxy.GET("/img", handlers.ImgProxyHandler)
+		proxy.GET("/mp3", handlers.MP3ProxyHandler)
+		proxy.GET("/yandex-playlist", handlers.YandexPlaylistHandler)
+	}
+
+	auth := r.Group("/api/auth")
+	{
+		auth.POST("/register", handlers.Register(db))
+		auth.POST("/login", handlers.Login(db, jwtSecret))
+		auth.GET("/me", handlers.AuthRequired(jwtSecret), handlers.Me(db))
+	}
+
+	r.GET("/api/playlists/public", handlers.GetPublicPlaylists(db))
+
+	versions := r.Group("/api/versions", handlers.AuthRequired(jwtSecret))
+	{
+		versions.GET("", handlers.GetVersions(db))
+		versions.POST("", handlers.SaveVersion(db))
+		versions.DELETE("", handlers.DeleteVersion(db))
+	}
+
+	playlists := r.Group("/api/playlists", handlers.AuthRequired(jwtSecret))
+	{
+		playlists.GET("", handlers.GetPlaylists(db))
+		playlists.POST("", handlers.CreatePlaylist(db))
+		playlists.GET("/:id", handlers.GetPlaylist(db))
+		playlists.PUT("/:id", handlers.UpdatePlaylist(db))
+		playlists.DELETE("/:id", handlers.DeletePlaylist(db))
+		playlists.POST("/:id/tracks", handlers.AddTrackToPlaylist(db))
+	}
+
+	remote := r.Group("/api/remote")
+	{
+		remote.POST("", handlers.CreateRemoteRoom)
+		remote.PUT("/:id/state", handlers.PushRemoteState)
+		remote.GET("/:id/state", handlers.GetRemoteState)
+		remote.POST("/:id/command", handlers.SendRemoteCommand)
+		remote.GET("/:id/commands", handlers.PollRemoteCommands)
+	}
+
+	parties := r.Group("/api/parties")
+	{
+		parties.POST("", handlers.CreateParty(db))
+		parties.GET("/:id", handlers.GetParty(db))
+		parties.GET("/code/:code", handlers.GetPartyByCode(db))
+		parties.POST("/:id/participants", handlers.AddParticipant(db))
+		parties.DELETE("/:id/participants/:pid", handlers.RemoveParticipant(db))
+		parties.POST("/:id/history", handlers.AddHistory(db))
+		parties.GET("/:id/history", handlers.GetHistory(db))
+		parties.DELETE("/:id/history", handlers.ClearHistory(db))
+	}
+
+	return r
+}