Init V4 community edition (#2265)

* Init V4 community edition

* Init V4 community edition

application/migrator/node.go

@@ -0,0 +1,89 @@
+package migrator
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/cloudreve/Cloudreve/v4/application/migrator/model"
+	"github.com/cloudreve/Cloudreve/v4/ent/node"
+	"github.com/cloudreve/Cloudreve/v4/inventory/types"
+	"github.com/cloudreve/Cloudreve/v4/pkg/boolset"
+)
+
+func (m *Migrator) migrateNode() error {
+	m.l.Info("Migrating nodes...")
+
+	var nodes []model.Node
+	if err := model.DB.Find(&nodes).Error; err != nil {
+		return fmt.Errorf("failed to list v3 nodes: %w", err)
+	}
+
+	for _, n := range nodes {
+		nodeType := node.TypeSlave
+		nodeStatus := node.StatusSuspended
+		if n.Type == model.MasterNodeType {
+			nodeType = node.TypeMaster
+		}
+		if n.Status == model.NodeActive {
+			nodeStatus = node.StatusActive
+		}
+
+		cap := &boolset.BooleanSet{}
+		settings := &types.NodeSetting{
+			Provider: types.DownloaderProviderAria2,
+		}
+
+		if n.Aria2Enabled {
+			boolset.Sets(map[types.NodeCapability]bool{
+				types.NodeCapabilityRemoteDownload: true,
+			}, cap)
+
+			aria2Options := &model.Aria2Option{}
+			if err := json.Unmarshal([]byte(n.Aria2Options), aria2Options); err != nil {
+				return fmt.Errorf("failed to unmarshal aria2 options: %w", err)
+			}
+
+			downloaderOptions := map[string]any{}
+			if aria2Options.Options != "" {
+				if err := json.Unmarshal([]byte(aria2Options.Options), &downloaderOptions); err != nil {
+					return fmt.Errorf("failed to unmarshal aria2 options: %w", err)
+				}
+			}
+
+			settings.Aria2Setting = &types.Aria2Setting{
+				Server:   aria2Options.Server,
+				Token:    aria2Options.Token,
+				Options:  downloaderOptions,
+				TempPath: aria2Options.TempPath,
+			}
+		}
+
+		if n.Type == model.MasterNodeType {
+			boolset.Sets(map[types.NodeCapability]bool{
+				types.NodeCapabilityExtractArchive: true,
+				types.NodeCapabilityCreateArchive:  true,
+			}, cap)
+		}
+
+		stm := m.v4client.Node.Create().
+			SetRawID(int(n.ID)).
+			SetCreatedAt(formatTime(n.CreatedAt)).
+			SetUpdatedAt(formatTime(n.UpdatedAt)).
+			SetName(n.Name).
+			SetType(nodeType).
+			SetStatus(nodeStatus).
+			SetServer(n.Server).
+			SetSlaveKey(n.SlaveKey).
+			SetCapabilities(cap).
+			SetSettings(settings).
+			SetWeight(n.Rank)
+
+		if err := stm.Exec(context.Background()); err != nil {
+			return fmt.Errorf("failed to create node %q: %w", n.Name, err)
+		}
+
+	}
+
+	return nil
+}