small refactor*

plugins/ytdlp/daemon.go

@@ -0,0 +1,71 @@
+package ytdlp
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"path"
+	"sync"
+
+	"git.kmsign.ru/royalcat/tstor/server/pkg/ctxbilly"
+	"git.kmsign.ru/royalcat/tstor/server/pkg/ytdlp"
+	"git.kmsign.ru/royalcat/tstor/server/src/vfs"
+	"github.com/go-git/go-billy/v5/osfs"
+	"github.com/royalcat/ctxio"
+)
+
+func NewService(dataDir string) (*Daemon, error) {
+	client, err := ytdlp.New()
+	if err != nil {
+		return nil, err
+	}
+
+	s := &Daemon{
+		mu:          sync.Mutex{},
+		client:      client,
+		dataDir:     dataDir,
+		controllers: make(map[string]*Controller, 0),
+	}
+
+	return s, nil
+}
+
+type Daemon struct {
+	mu sync.Mutex
+
+	dataDir     string
+	client      *ytdlp.Client
+	controllers map[string]*Controller
+}
+
+func (c *Daemon) addSource(s Source) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	ctl := newYtdlpController(ctxbilly.WrapFileSystem(osfs.New(c.sourceDir(s))), s, c.client)
+
+	c.controllers[s.Name()] = ctl
+}
+
+func (c *Daemon) sourceDir(s Source) string {
+	return path.Join(c.dataDir, s.Name())
+}
+
+func (c *Daemon) BuildFS(ctx context.Context, sourcePath string, f vfs.File) (vfs.Filesystem, error) {
+	data, err := ctxio.ReadAll(ctx, f)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read source file: %w", err)
+	}
+
+	var s Source
+	err = json.Unmarshal(data, &s)
+	if err != nil {
+		return nil, err
+	}
+
+	c.addSource(s)
+
+	downloadFS := ctxbilly.WrapFileSystem(osfs.New(c.sourceDir(s)))
+
+	return newSourceFS(path.Base(f.Name()), downloadFS, c, s), nil
+}