app.go
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app.go
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	package writefreely

	import (
	"fmt"
	_ "github.com/go-sql-driver/mysql"
	"net/http"
	"os"
	"os/signal"
	"syscall"

	"github.com/gorilla/mux"
	"github.com/gorilla/sessions"
	"github.com/writeas/web-core/log"
	"github.com/writeas/writefreely/config"
	)

	const (
	staticDir = "static/"
	)

	type app struct {
	router *mux.Router
	cfg *config.Config
	keys *keychain
	sessionStore *sessions.CookieStore
	}

	var shttp = http.NewServeMux()

	func Serve() {
	log.Info("Initializing...")

	log.Info("Loading configuration...")
	cfg, err := config.Load()
	if err != nil {
	log.Error("Unable to load configuration: %v", err)
	os.Exit(1)
	}
	app := &app{
	cfg: cfg,
	}

	// Load keys
	log.Info("Loading encryption keys...")
	err = initKeys(app)
	if err != nil {
	log.Error("\n%s\n", err)
	}

	// Initialize modules
	r := mux.NewRouter()
	handler := NewHandler(app.sessionStore)

	// Handle app routes
	initRoutes(handler, r, app.cfg)

	// Handle static files
	fs := http.FileServer(http.Dir(staticDir))
	shttp.Handle("/", fs)
	r.PathPrefix("/").Handler(fs)

	// Handle shutdown
	c := make(chan os.Signal, 2)
	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
	go func() {
	<-c
	log.Info("Shutting down...")
	shutdown(app)
	log.Info("Done.")
	os.Exit(0)
	}()

	// Start web application server
	http.Handle("/", r)
	log.Info("Serving on http://localhost:%d\n", app.cfg.Server.Port)
	log.Info("---")
	http.ListenAndServe(fmt.Sprintf(":%d", app.cfg.Server.Port), nil)
	}

	func shutdown(app *app) {
	}