mirror of
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111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
package treecache
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import (
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"context"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/app"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/app/logger"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/aclchanges/aclpb"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/acltree"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/treestorage"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/treestorage/treepb"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/ocache"
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"github.com/anytypeio/go-anytype-infrastructure-experiments/service/account"
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"go.uber.org/zap"
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)
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const CName = "treecache"
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// TODO: add context
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type ACLTreeFunc = func(tree acltree.ACLTree) error
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type ChangeBuildFunc = func(builder acltree.ChangeBuilder) error
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var log = logger.NewNamed("treecache")
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type Service interface {
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Do(ctx context.Context, treeId string, f ACLTreeFunc) error
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Add(ctx context.Context, treeId string, header *treepb.TreeHeader, changes []*aclpb.RawChange, f ACLTreeFunc) error
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Create(ctx context.Context, build ChangeBuildFunc, f ACLTreeFunc) error
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}
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type service struct {
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treeProvider treestorage.Provider
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account account.Service
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cache ocache.OCache
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}
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func New() app.ComponentRunnable {
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return &service{}
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}
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func (s *service) Create(ctx context.Context, build ChangeBuildFunc, f ACLTreeFunc) error {
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acc := s.account.Account()
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st, err := acltree.CreateNewTreeStorageWithACL(acc, build, s.treeProvider.CreateTreeStorage)
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if err != nil {
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return err
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}
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id, err := st.TreeID()
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if err != nil {
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return err
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}
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return s.Do(ctx, id, f)
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}
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func (s *service) Do(ctx context.Context, treeId string, f ACLTreeFunc) error {
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log.
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With(zap.String("treeId", treeId)).
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Debug("requesting tree from cache to perform operation")
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tree, err := s.cache.Get(ctx, treeId)
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defer s.cache.Release(treeId)
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if err != nil {
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return err
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}
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aclTree := tree.(acltree.ACLTree)
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aclTree.Lock()
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defer aclTree.Unlock()
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return f(tree.(acltree.ACLTree))
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}
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func (s *service) Add(ctx context.Context, treeId string, header *treepb.TreeHeader, changes []*aclpb.RawChange, f ACLTreeFunc) error {
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log.
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With(zap.String("treeId", treeId), zap.Int("len(changes)", len(changes))).
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Debug("adding tree with changes")
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_, err := s.treeProvider.CreateTreeStorage(treeId, header, changes)
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if err != nil {
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return err
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}
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return s.Do(ctx, treeId, f)
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}
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func (s *service) Init(ctx context.Context, a *app.App) (err error) {
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s.cache = ocache.New(s.loadTree)
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s.account = a.MustComponent(account.CName).(account.Service)
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s.treeProvider = treestorage.NewInMemoryTreeStorageProvider()
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// TODO: for test we should load some predefined keys
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return nil
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}
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func (s *service) Name() (name string) {
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return CName
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}
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func (s *service) Run(ctx context.Context) (err error) {
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return nil
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}
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func (s *service) Close(ctx context.Context) (err error) {
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return s.cache.Close()
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}
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func (s *service) loadTree(ctx context.Context, id string) (ocache.Object, error) {
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tree, err := s.treeProvider.TreeStorage(id)
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if err != nil {
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return nil, err
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}
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// TODO: should probably accept nil listeners
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aclTree, err := acltree.BuildACLTree(tree, s.account.Account(), acltree.NoOpListener{})
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return aclTree, err
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}
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