Add topics for repository API (#31127)

Fix ##31100

(cherry picked from commit de4616690f742aebc3e019fde5c73c432d543292)

modules/structs/repo.go

@@ -114,6 +114,7 @@ type Repository struct {
 	// swagger:strfmt date-time
 	MirrorUpdated time.Time     `json:"mirror_updated,omitempty"`
 	RepoTransfer  *RepoTransfer `json:"repo_transfer"`
+	Topics        []string      `json:"topics"`
 }
 
 // GetName implements the gitrepo.Repository interface

services/convert/repository.go

@@ -237,6 +237,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR
 		MirrorInterval:                mirrorInterval,
 		MirrorUpdated:                 mirrorUpdated,
 		RepoTransfer:                  transfer,
+		Topics:                        repo.Topics,
 		ObjectFormatName:              repo.ObjectFormatName,
 	}
 }

templates/swagger/v1_json.tmpl

@@ -24234,6 +24234,13 @@
           "type": "boolean",
           "x-go-name": "Template"
         },
+        "topics": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "x-go-name": "Topics"
+        },
         "updated_at": {
           "type": "string",
           "format": "date-time",