1 files changed, 101 insertions, 0 deletions
diff --git a/entities/identity/identity_stub.go b/entities/identity/identity_stub.go
new file mode 100644
index 00000000..fb5c90a5
--- /dev/null
+++ b/entities/identity/identity_stub.go
@@ -0,0 +1,101 @@
+package identity
+
+import (
+	"encoding/json"
+
+	"github.com/MichaelMure/git-bug/entity"
+	"github.com/MichaelMure/git-bug/repository"
+	"github.com/MichaelMure/git-bug/util/lamport"
+	"github.com/MichaelMure/git-bug/util/timestamp"
+)
+
+var _ Interface = &IdentityStub{}
+
+// IdentityStub is an almost empty Identity, holding only the id.
+// When a normal Identity is serialized into JSON, only the id is serialized.
+// All the other data are stored in git in a chain of commit + a ref.
+// When this JSON is deserialized, an IdentityStub is returned instead, to be replaced
+// later by the proper Identity, loaded from the Repo.
+type IdentityStub struct {
+	id entity.Id
+}
+
+func (i *IdentityStub) MarshalJSON() ([]byte, error) {
+	// TODO: add a type marker
+	return json.Marshal(struct {
+		Id entity.Id `json:"id"`
+	}{
+		Id: i.id,
+	})
+}
+
+func (i *IdentityStub) UnmarshalJSON(data []byte) error {
+	aux := struct {
+		Id entity.Id `json:"id"`
+	}{}
+
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+
+	i.id = aux.Id
+
+	return nil
+}
+
+// Id return the Identity identifier
+func (i *IdentityStub) Id() entity.Id {
+	return i.id
+}
+
+func (IdentityStub) Name() string {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) DisplayName() string {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) Email() string {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) Login() string {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) AvatarUrl() string {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) Keys() []*Key {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (i *IdentityStub) SigningKey(repo repository.RepoKeyring) (*Key, error) {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) ValidKeysAtTime(_ string, _ lamport.Time) []*Key {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (i *IdentityStub) LastModification() timestamp.Timestamp {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (i *IdentityStub) LastModificationLamports() map[string]lamport.Time {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) IsProtected() bool {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (IdentityStub) Validate() error {
+	panic("identities needs to be properly loaded with identity.ReadLocal()")
+}
+
+func (i *IdentityStub) NeedCommit() bool {
+	return false
+}