polyfire-api/api.go at staging · polyfact/polyfire-api · GitHub

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package main

import (
	"context"
	"log"
	"net/http"

	httprouter "github.com/julienschmidt/httprouter"

	auth "github.com/polyfire/api/auth"
	completion "github.com/polyfire/api/completion"
	db "github.com/polyfire/api/db"
	imageGeneration "github.com/polyfire/api/image_generation"
	kv "github.com/polyfire/api/kv"
	memory "github.com/polyfire/api/memory"
	middlewares "github.com/polyfire/api/middlewares"
	stt "github.com/polyfire/api/stt"
	tts "github.com/polyfire/api/tts"
	utils "github.com/polyfire/api/utils"
)

type CORSRouter struct {
	Router *httprouter.Router
	db     db.DB
	gcs    utils.GCSUploader
}

func (h CORSRouter) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Access-Control-Allow-Origin", "*")
	w.Header().Set("Access-Control-Allow-Headers", "*")
	w.Header().Set("Access-Control-Allow-Methods", "*")

	ctx := r.Context()

	ctxWithDB := context.WithValue(ctx, utils.ContextKeyDB, h.db)
	ctxWithDB = context.WithValue(ctxWithDB, utils.ContextKeyGCS, h.gcs)

	rWithDB := r.WithContext(ctxWithDB)

	middlewares.AddRecord(rWithDB, utils.Unknown)
	defer middlewares.RecoverFromPanic(w, rWithDB)

	h.Router.ServeHTTP(w, rWithDB)
}

func GlobalMiddleware(router *httprouter.Router, db db.DB, gcs utils.GCSUploader) http.Handler {
	return &CORSRouter{
		Router: router,
		db:     db,
		gcs:    gcs,
	}
}

func main() {
	log.Print("Starting the server on :8080")

	GCS := utils.InitGCS()
	DB := db.InitDB()

	router := httprouter.New()

	// Auth Routes
	router.GET(
		"/project/:id/auth/firebase",
		middlewares.Record(utils.AuthFirebase, auth.ExternalFirebaseTokenExchangeHandler),
	)
	router.GET(
		"/project/:id/auth/custom",
		middlewares.Record(utils.AuthCustom, auth.ExternalCustomTokenExchangeHandler),
	)
	router.GET(
		"/project/:id/auth/anonymous",
		middlewares.Record(utils.AuthAnonymous, auth.AnonymousTokenExchangeHandler),
	)
	router.GET(
		"/project/:id/auth/provider/redirect",
		middlewares.Record(utils.AuthProviderRedirection, auth.RedirectAuth),
	)
	router.GET(
		"/project/:id/auth/provider/callback",
		middlewares.Record(utils.AuthProviderCallback, auth.CallbackAuth),
	)
	router.POST(
		"/project/:id/auth/provider/refresh",
		middlewares.Record(utils.AuthProviderRefresh, auth.RefreshToken),
	)
	router.GET("/auth/id", middlewares.Record(utils.AuthID, middlewares.Auth(auth.GetAuthID)))

	router.GET("/usage", middlewares.Record(utils.Usage, middlewares.Auth(auth.UserRateLimit)))

	// Completion Routes
	router.POST(
		"/generate",
		middlewares.Record(utils.Generate, middlewares.Auth(completion.Generate)),
	)
	router.GET(
		"/chat/:id/history",
		middlewares.Record(utils.ChatHistory, middlewares.Auth(completion.GetChatHistory)),
	)
	router.GET("/chats", middlewares.Record(utils.ChatList, middlewares.Auth(completion.ListChat)))
	router.POST(
		"/chats",
		middlewares.Record(utils.ChatCreate, middlewares.Auth(completion.CreateChat)),
	)
	router.PUT(
		"/chat/:id",
		middlewares.Record(utils.ChatUpdate, middlewares.Auth(completion.UpdateChat)),
	)
	router.DELETE(
		"/chat/:id",
		middlewares.Record(utils.ChatDelete, middlewares.Auth(completion.DeleteChat)),
	)
	router.GET(
		"/stream",
		middlewares.Record(utils.Generate, middlewares.AuthStream(completion.Stream)),
	)

	// Transcription Routes
	router.POST(
		"/transcribe",
		middlewares.Record(utils.SpeechToText, middlewares.Auth(stt.Transcribe)),
	)

	// TTS Routes
	router.POST("/tts", middlewares.Record(utils.TextToSpeech, middlewares.Auth(tts.Handler)))

	// Image Generation Routes
	router.GET(
		"/image/generate",
		middlewares.Record(
			utils.ImageGeneration,
			middlewares.Auth(imageGeneration.ImageGeneration),
		),
	)

	// Memory Routes
	router.GET("/memories", middlewares.Record(utils.MemoryList, middlewares.Auth(memory.Get)))
	router.POST(
		"/memory/:id/search",
		middlewares.Record(utils.MemorySearch, middlewares.Auth(memory.Search)),
	)
	router.POST("/memory", middlewares.Record(utils.MemoryCreate, middlewares.Auth(memory.Create)))
	router.PUT("/memory", middlewares.Record(utils.MemoryAdd, middlewares.Auth(memory.Add)))

	// KV Routes
	router.GET("/kv", middlewares.Record(utils.KVGet, middlewares.Auth(kv.Get)))
	router.GET("/kvs", middlewares.Record(utils.KVList, middlewares.Auth(kv.List)))
	router.PUT("/kv", middlewares.Record(utils.KVSet, middlewares.Auth(kv.Set)))
	router.DELETE("/kv", middlewares.Record(utils.KVDelete, middlewares.Auth(kv.Delete)))

	log.Fatal(http.ListenAndServe(":8080", GlobalMiddleware(router, DB, GCS)))
}