Init V4 community edition (#2265)

* Init V4 community edition

* Init V4 community edition

pkg/filemanager/fs/dbfs/global.go

@@ -0,0 +1,55 @@
+package dbfs
+
+import (
+	"context"
+	"github.com/cloudreve/Cloudreve/v4/ent"
+	"github.com/cloudreve/Cloudreve/v4/inventory"
+	"github.com/cloudreve/Cloudreve/v4/pkg/filemanager/fs"
+	"github.com/samber/lo"
+)
+
+func (f *DBFS) StaleEntities(ctx context.Context, entities ...int) ([]fs.Entity, error) {
+	res, err := f.fileClient.StaleEntities(ctx, entities...)
+	if err != nil {
+		return nil, err
+	}
+
+	return lo.Map(res, func(e *ent.Entity, i int) fs.Entity {
+		return fs.NewEntity(e)
+	}), nil
+}
+
+func (f *DBFS) AllFilesInTrashBin(ctx context.Context, opts ...fs.Option) (*fs.ListFileResult, error) {
+	o := newDbfsOption()
+	for _, opt := range opts {
+		o.apply(opt)
+	}
+
+	navigator, err := f.getNavigator(ctx, newTrashUri(""), NavigatorCapabilityListChildren)
+	if err != nil {
+		return nil, err
+	}
+
+	ctx = context.WithValue(ctx, inventory.LoadFilePublicMetadata{}, true)
+	children, err := navigator.Children(ctx, nil, &ListArgs{
+		Page: &inventory.PaginationArgs{
+			Page:                o.FsOption.Page,
+			PageSize:            o.PageSize,
+			OrderBy:             o.OrderBy,
+			Order:               inventory.OrderDirection(o.OrderDirection),
+			UseCursorPagination: o.useCursorPagination,
+			PageToken:           o.pageToken,
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return &fs.ListFileResult{
+		Files: lo.Map(children.Files, func(item *File, index int) fs.File {
+			return item
+		}),
+		Pagination:            children.Pagination,
+		RecursionLimitReached: children.RecursionLimitReached,
+	}, nil
+}