introduce federated repo

models/repo/federated_repo.go

@@ -0,0 +1,36 @@
+// Copyright 2024 The forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"code.gitea.io/gitea/modules/validation"
+)
+
+// FederatedRepo represents a federated Repository Actor connected with a local Repo
+type FederatedRepo struct {
+	ID               int64  `xorm:"pk autoincr"`
+	RepositoryID     int64  `xorm:"NOT NULL"`
+	ExternalID       string `xorm:"TEXT UNIQUE(federation_repo_mapping) NOT NULL"`
+	FederationHostID int64  `xorm:"UNIQUE(federation_repo_mapping) NOT NULL"`
+}
+
+func NewFederatedRepo(repositoryID int64, externalID string, federationHostID int64) (FederatedRepo, error) {
+	result := FederatedRepo{
+		RepositoryID:     repositoryID,
+		ExternalID:       externalID,
+		FederationHostID: federationHostID,
+	}
+	if valid, err := validation.IsValid(result); !valid {
+		return FederatedRepo{}, err
+	}
+	return result, nil
+}
+
+func (user FederatedRepo) Validate() []string {
+	var result []string
+	result = append(result, validation.ValidateNotEmpty(user.RepositoryID, "UserID")...)
+	result = append(result, validation.ValidateNotEmpty(user.ExternalID, "ExternalID")...)
+	result = append(result, validation.ValidateNotEmpty(user.FederationHostID, "FederationHostID")...)
+	return result
+}