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main.go
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main.go
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package main
import (
"embed"
"flag"
"fmt"
"io/fs"
"net/http"
"os"
"time"
"github.com/craftamap/hobbit-tracker/hub"
"github.com/craftamap/hobbit-tracker/middleware/authtocontext"
"github.com/craftamap/hobbit-tracker/middleware/requestcontext"
"github.com/craftamap/hobbit-tracker/models"
"github.com/craftamap/hobbit-tracker/routes"
"github.com/craftamap/hobbit-tracker/websockets"
"github.com/gorilla/handlers"
"github.com/gorilla/mux"
"github.com/sirupsen/logrus"
"github.com/wader/gormstore/v2"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
gormLogger "gorm.io/gorm/logger"
)
var (
flagDiskMode bool
flagPort int
flagVerbose bool
flagDatabase string
)
var (
// Store represents the Cookie Store
Store *gormstore.Store
)
//go:embed frontend/dist
var content embed.FS
var db *gorm.DB
var log = logrus.New()
func init() {
log.SetFormatter(&logrus.TextFormatter{
FullTimestamp: true,
})
flag.BoolVar(&flagDiskMode, "disk-mode", false, "disk mode")
flag.IntVar(&flagPort, "port", 8080, "port")
flag.BoolVar(&flagVerbose, "v", false, "verbose, enables debug logs")
flag.StringVar(&flagDatabase, "db", "hobbits.sqlite", "path to the database")
flag.Parse()
if flagVerbose {
log.SetLevel(logrus.DebugLevel)
}
}
func loggingMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Info(fmt.Sprintf("%s %s %s", r.RemoteAddr, r.Method, r.URL))
next.ServeHTTP(w, r)
})
}
func frontendHandler() (http.Handler, error) {
var fsys = fs.FS(content)
contentStatic, err := fs.Sub(fsys, "frontend/dist")
if err != nil {
return nil, err
}
if flagDiskMode {
log.Warn("Disk Mode")
contentStatic = os.DirFS("frontend/dist")
}
return http.FileServer(http.FS(contentStatic)), nil
}
type customRecoveryLogger struct {
log *logrus.Logger
}
func (c *customRecoveryLogger) Println(msgs ...interface{}) {
c.log.Errorln(msgs...)
}
func main() {
var err error
gormConfig := &gorm.Config{}
if flagVerbose {
gormConfig.Logger = gormLogger.Default.LogMode(gormLogger.Info)
}
db, err = gorm.Open(sqlite.Open(flagDatabase), gormConfig)
if err != nil {
fmt.Println(err)
return
}
log.Info("Migrating DB")
// Manual Migration
log.Info("AutoMigrating DB")
err = db.AutoMigrate(&models.Hobbit{})
if err != nil {
fmt.Println(err)
return
}
err = db.AutoMigrate(&models.User{})
if err != nil {
fmt.Println(err)
return
}
err = db.AutoMigrate(&models.NumericRecord{})
if err != nil {
fmt.Println(err)
return
}
err = db.AutoMigrate(&models.AppPassword{})
if err != nil {
fmt.Println(err)
return
}
log.Info("AutoMigrated DB")
log.Info("Checking for manual migrations")
{
// Migration from v0.2.1 to above
records := []models.NumericRecord{}
db.Where("created_at IS NULL").Find(&records)
if len(records) > 0 {
log.Info("Found migration from v0.2.1, performing migration")
db.Model(&models.NumericRecord{}).Where("created_at IS NULL").Updates(&models.NumericRecord{CreatedAt: time.Now()})
db.Model(&models.Hobbit{}).Where("created_at IS NULL").Updates(&models.Hobbit{CreatedAt: time.Now()})
log.Info("Found migration from v0.2.1, done")
}
}
log.Info("Migrated DB")
// key must be 16, 24 or 32 bytes long (AES-128, AES-192 or AES-256)
key := []byte("jMcBBEBKAzw89XNb")
Store = gormstore.New(db, key)
// db cleanup every hour
// close quit channel to stop cleanup
quit := make(chan struct{})
go Store.PeriodicCleanup(1*time.Hour, quit)
defer close(quit)
eventHub := hub.New(log)
eventHub.Run()
r := mux.NewRouter()
r.StrictSlash(true)
r.Use(loggingMiddleware)
r.Use(handlers.RecoveryHandler(handlers.RecoveryLogger(&customRecoveryLogger{log})))
r.Use(requestcontext.New(Store, db, log, eventHub))
r.Use(authtocontext.New())
routes.RegisterRoutes(r, db, log, Store)
websockets.RegisterRoutes(r)
frontend, err := frontendHandler()
if err != nil {
fmt.Println(err)
return
}
r.PathPrefix("/").Handler(frontend)
listeningOn := fmt.Sprintf(":%d", flagPort)
log.Infof("Listening on %s", listeningOn)
err = http.ListenAndServe(listeningOn, r)
if err != nil {
fmt.Println(err)
return
}
}