1 files changed, 71 insertions, 0 deletions
diff --git a/identity/identity_user.go b/identity/identity_user.go
new file mode 100644
index 00000000..60622c12
--- /dev/null
+++ b/identity/identity_user.go
@@ -0,0 +1,71 @@
+package identity
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/pkg/errors"
+
+	"github.com/MichaelMure/git-bug/entity"
+	"github.com/MichaelMure/git-bug/repository"
+)
+
+// SetUserIdentity store the user identity's id in the git config
+func SetUserIdentity(repo repository.RepoConfig, identity *Identity) error {
+	return repo.LocalConfig().StoreString(identityConfigKey, identity.Id().String())
+}
+
+// GetUserIdentity read the current user identity, set with a git config entry
+func GetUserIdentity(repo repository.Repo) (*Identity, error) {
+	id, err := GetUserIdentityId(repo)
+	if err != nil {
+		return nil, err
+	}
+
+	i, err := ReadLocal(repo, id)
+	if err == ErrIdentityNotExist {
+		innerErr := repo.LocalConfig().RemoveAll(identityConfigKey)
+		if innerErr != nil {
+			_, _ = fmt.Fprintln(os.Stderr, errors.Wrap(innerErr, "can't clear user identity").Error())
+		}
+		return nil, err
+	}
+
+	return i, nil
+}
+
+func GetUserIdentityId(repo repository.Repo) (entity.Id, error) {
+	configs, err := repo.LocalConfig().ReadAll(identityConfigKey)
+	if err != nil {
+		return entity.UnsetId, err
+	}
+
+	if len(configs) == 0 {
+		return entity.UnsetId, ErrNoIdentitySet
+	}
+
+	if len(configs) > 1 {
+		return entity.UnsetId, ErrMultipleIdentitiesSet
+	}
+
+	var id entity.Id
+	for _, val := range configs {
+		id = entity.Id(val)
+	}
+
+	if err := id.Validate(); err != nil {
+		return entity.UnsetId, err
+	}
+
+	return id, nil
+}
+
+// IsUserIdentitySet say if the user has set his identity
+func IsUserIdentitySet(repo repository.Repo) (bool, error) {
+	configs, err := repo.LocalConfig().ReadAll(identityConfigKey)
+	if err != nil {
+		return false, err
+	}
+
+	return len(configs) == 1, nil
+}