ui for adding following repos

models/repo/following_repo.go

@@ -0,0 +1,39 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"code.gitea.io/gitea/modules/validation"
+)
+
+// FollowingRepo represents a federated Repository Actor connected with a local Repo
+type FollowingRepo struct {
+	ID               int64  `xorm:"pk autoincr"`
+	RepoID           int64  `xorm:"UNIQUE(federation_repo_mapping) NOT NULL"`
+	ExternalID       string `xorm:"UNIQUE(federation_repo_mapping) NOT NULL"`
+	FederationHostID int64  `xorm:"UNIQUE(federation_repo_mapping) NOT NULL"`
+	URI              string
+}
+
+func NewFollowingRepo(repoID int64, externalID string, federationHostID int64, uri string) (FollowingRepo, error) {
+	result := FollowingRepo{
+		RepoID:           repoID,
+		ExternalID:       externalID,
+		FederationHostID: federationHostID,
+		URI:              uri,
+	}
+	if valid, err := validation.IsValid(result); !valid {
+		return FollowingRepo{}, err
+	}
+	return result, nil
+}
+
+func (user FollowingRepo) Validate() []string {
+	var result []string
+	result = append(result, validation.ValidateNotEmpty(user.RepoID, "UserID")...)
+	result = append(result, validation.ValidateNotEmpty(user.ExternalID, "ExternalID")...)
+	result = append(result, validation.ValidateNotEmpty(user.FederationHostID, "FederationHostID")...)
+	result = append(result, validation.ValidateNotEmpty(user.URI, "Uri")...)
+	return result
+}