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package main
import (
"context"
"encoding/hex"
"errors"
"os"
"os/signal"
"github.com/fasthttp/router"
"github.com/sirupsen/logrus"
flag "github.com/spf13/pflag"
"github.com/valyala/fasthttp"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"git.sr.ht/~gabrielgio/img"
"git.sr.ht/~gabrielgio/img/pkg/components/auth"
"git.sr.ht/~gabrielgio/img/pkg/components/filesystem"
"git.sr.ht/~gabrielgio/img/pkg/components/media"
"git.sr.ht/~gabrielgio/img/pkg/database/localfs"
"git.sr.ht/~gabrielgio/img/pkg/database/sql"
"git.sr.ht/~gabrielgio/img/pkg/ext"
"git.sr.ht/~gabrielgio/img/pkg/view"
"git.sr.ht/~gabrielgio/img/pkg/worker"
)
func main() {
var (
key = flag.String("aes-key", "", "AES key, either 16, 24, or 32 bytes string to select AES-128, AES-192, or AES-256")
dbType = flag.String("db-type", "sqlite", "Database to be used. Choose either mysql, psql or sqlite")
dbCon = flag.String("db-con", "main.db", "Database string connection for given database type. Ref: https://gorm.io/docs/connecting_to_the_database.html")
logLevel = flag.String("log-level", "error", "Log level: Choose either trace, debug, info, warning, error, fatal or panic")
schedulerCount = flag.Uint("scheduler-count", 10, "How many workers are created to process media files")
// TODO: this will later be replaced by user specific root folder
root = flag.String("root", "", "root folder for the whole application. All the workers will use it as working directory")
)
flag.Parse()
l, err := logrus.ParseLevel(*logLevel)
if err != nil {
panic("failed to parse log level" + err.Error())
}
logger := logrus.New()
logger.SetLevel(l)
d, err := OpenDatabase(*dbType, *dbCon)
if err != nil {
panic("failed to parse database strings" + err.Error())
}
db, err := gorm.Open(d, &gorm.Config{
Logger: ext.Wraplog(logger.WithField("context", "sql")),
})
if err != nil {
panic("failed to connect database: " + err.Error())
}
if err = sql.Migrate(db); err != nil {
panic("failed to migrate database: " + err.Error())
}
hexKey, err := hex.DecodeString(*key)
if err != nil {
panic("failed to decode key database: " + err.Error())
}
r := router.New()
r.GET("/static/{filepath:*}", ext.FileServer(img.StaticFS, "static/"))
authMiddleware := ext.NewAuthMiddleware(hexKey, logger.WithField("context", "auth"))
logMiddleware := ext.NewLogMiddleare(logger.WithField("context", "http"))
extRouter := ext.NewRouter(r)
extRouter.AddMiddleware(logMiddleware.HTTP)
extRouter.AddMiddleware(authMiddleware.LoggedIn)
extRouter.AddMiddleware(ext.HTML)
scheduler := worker.NewScheduler(*schedulerCount)
// repository
var (
userRepository = sql.NewUserRepository(db)
settingsRepository = sql.NewSettingsRespository(db)
fileSystemRepository = localfs.NewFileSystemRepository(*root)
mediaRepository = sql.NewMediaRepository(db)
)
//TODO: remove later
userRepository.EnsureAdmin(context.Background())
// controller
var (
userController = auth.NewController(userRepository, hexKey)
fileSystemController = filesystem.NewController(fileSystemRepository)
)
// view
for _, v := range []view.View{
view.NewAuthView(userController),
view.NewFileSystemView(*fileSystemController, settingsRepository),
view.NewSettingsView(settingsRepository),
view.NewMediaView(mediaRepository),
} {
v.SetMyselfIn(extRouter)
}
// processors
var (
fileScanner = worker.NewFileScanner(*root, mediaRepository)
exifScanner = worker.NewEXIFScanner(mediaRepository)
)
// worker
var (
serverWorker = worker.NewServerWorker(&fasthttp.Server{Handler: r.Handler})
fileWorker = worker.NewWorkerFromChanProcessor[string](fileScanner, scheduler)
exifWorker = worker.NewWorkerFromBatchProcessor[*media.Media](
exifScanner,
scheduler,
logrus.WithField("context", "exif scanner"),
)
)
pool := worker.NewWorkerPool()
pool.AddWorker("http server", serverWorker)
pool.AddWorker("exif scanner", exifWorker)
pool.AddWorker("file scanner", fileWorker)
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
defer stop()
pool.Start(ctx)
}
func OpenDatabase(dbType string, dbConn string) (gorm.Dialector, error) {
switch dbType {
case "sqlite":
return sqlite.Open(dbConn), nil
case "psql":
return postgres.Open(dbConn), nil
case "mysql":
return mysql.Open(dbConn), nil
default:
return nil, errors.New("No valid db type given")
}
}
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