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package main
import (
"context"
"encoding/base64"
"errors"
"net/http"
"os"
"os/signal"
"time"
"github.com/glebarez/sqlite"
"github.com/gorilla/mux"
flag "github.com/spf13/pflag"
"golang.org/x/exp/slog"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"git.sr.ht/~gabrielgio/img/pkg/database/localfs"
"git.sr.ht/~gabrielgio/img/pkg/database/repository"
"git.sr.ht/~gabrielgio/img/pkg/database/sql"
"git.sr.ht/~gabrielgio/img/pkg/ext"
"git.sr.ht/~gabrielgio/img/pkg/service"
"git.sr.ht/~gabrielgio/img/pkg/view"
"git.sr.ht/~gabrielgio/img/pkg/worker"
"git.sr.ht/~gabrielgio/img/pkg/worker/scanner"
"git.sr.ht/~gabrielgio/img/static"
)
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 debug, info, warning, error")
schedulerCount = flag.Uint("scheduler-count", 10, "How many workers are created to process media files")
cachePath = flag.String("cache-path", "", "Folder to store thumbnail image")
)
flag.Parse()
level := parseLogLevel(*logLevel)
handler := slog.NewTextHandler(
os.Stdout,
&slog.HandlerOptions{Level: level},
)
logger := slog.New(handler)
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.With("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())
}
if *dbType == "sqlite" {
*schedulerCount = 1
}
baseKey, err := base64.StdEncoding.DecodeString(*key)
if err != nil {
panic("failed to decode key database: " + err.Error())
}
r := mux.NewRouter().StrictSlash(false)
r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.FS(static.Static))))
// repository
var (
userRepository = sql.NewUserRepository(db)
settingsRepository = sql.NewSettingsRespository(db)
fileSystemRepository = localfs.NewFileSystemRepository()
mediaRepository = sql.NewMediaRepository(db)
)
// middleware
var (
authMiddleware = ext.NewAuthMiddleware(baseKey, logger.With("context", "auth"), userRepository)
logMiddleware = ext.NewLogMiddleare(logger.With("context", "http"))
initialMiddleware = ext.NewInitialSetupMiddleware(userRepository)
)
extRouter := ext.NewRouter(r)
extRouter.AddMiddleware(ext.HTML)
extRouter.AddMiddleware(initialMiddleware.Check)
extRouter.AddMiddleware(authMiddleware.LoggedIn)
extRouter.AddMiddleware(logMiddleware.HTTP)
scheduler := worker.NewScheduler(*schedulerCount)
// controller
var (
userController = service.NewAuthController(userRepository, userRepository, baseKey)
fileSystemController = service.NewFileSystemController(fileSystemRepository, userRepository)
)
// view
for _, v := range []view.View{
view.NewAuthView(userController),
view.NewFileSystemView(*fileSystemController, settingsRepository),
view.NewSettingsView(settingsRepository, userController),
view.NewMediaView(mediaRepository, userRepository, settingsRepository),
view.NewAlbumView(mediaRepository, userRepository, settingsRepository),
} {
v.SetMyselfIn(extRouter)
}
// processors
var (
fileScanner = scanner.NewFileScanner(mediaRepository, userRepository)
exifScanner = scanner.NewEXIFScanner(mediaRepository)
thumbnailScanner = scanner.NewThumbnailScanner(*cachePath, mediaRepository)
albumScanner = scanner.NewAlbumScanner(mediaRepository)
)
// tasks
var (
serverTask = worker.NewServerTask(&http.Server{Handler: r, Addr: "0.0.0.0:8080"})
fileTask = worker.NewTaskFromChanProcessor[string](
fileScanner,
scheduler,
logger.With("context", "file scanner"),
)
exifTask = worker.NewTaskFromBatchProcessor[*repository.Media](
exifScanner,
scheduler,
logger.With("context", "exif scanner"),
)
thumbnailTask = worker.NewTaskFromBatchProcessor[*repository.Media](
thumbnailScanner,
scheduler,
logger.With("context", "thumbnail scanner"),
)
albumTask = worker.NewTaskFromSerialProcessor[*repository.Media](
albumScanner,
scheduler,
logger.With("context", "thumbnail scanner"),
)
)
pool := worker.NewTaskPool()
pool.AddTask("http server", time.Minute, serverTask)
pool.AddTask("exif scanner", 15*time.Minute, exifTask)
pool.AddTask("file scanner", 2*time.Hour, fileTask)
pool.AddTask("thumbnail scanner", 15*time.Minute, thumbnailTask)
pool.AddTask("album scanner", 15*time.Minute, albumTask)
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")
}
}
func parseLogLevel(input string) slog.Level {
switch input {
case "debug":
return slog.LevelDebug
case "info":
return slog.LevelInfo
case "warn":
return slog.LevelWarn
case "error":
return slog.LevelError
default:
return slog.LevelWarn
}
}
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