Fix incorrect pull request counter (#35819)

Fix #35781, #27472

The PR will not correct the wrong numbers automatically. 

There is a cron task `check_repo_stats` which will be run when Gitea
start or midnight. It will correct the numbers.

models/actions/main_test.go

@@ -13,6 +13,8 @@ func TestMain(m *testing.M) {
 	unittest.MainTest(m, &unittest.TestOptions{
 		FixtureFiles: []string{
 			"action_runner_token.yml",
+			"action_run.yml",
+			"repository.yml",
 		},
 	})
 }

models/actions/run.go

@@ -193,9 +193,11 @@ func (run *ActionRun) IsSchedule() bool {
 	return run.ScheduleID > 0
 }
 
+// UpdateRepoRunsNumbers updates the number of runs and closed runs of a repository.
 func UpdateRepoRunsNumbers(ctx context.Context, repo *repo_model.Repository) error {
 	_, err := db.GetEngine(ctx).ID(repo.ID).
 		NoAutoTime().
+		Cols("num_action_runs", "num_closed_action_runs").
 		SetExpr("num_action_runs",
 			builder.Select("count(*)").From("action_run").
 				Where(builder.Eq{"repo_id": repo.ID}),

models/actions/run_test.go

@@ -0,0 +1,35 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/db"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unittest"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUpdateRepoRunsNumbers(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	// update the number to a wrong one, the original is 3
+	_, err := db.GetEngine(t.Context()).ID(4).Cols("num_closed_action_runs").Update(&repo_model.Repository{
+		NumClosedActionRuns: 2,
+	})
+	assert.NoError(t, err)
+
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 4})
+	assert.Equal(t, 4, repo.NumActionRuns)
+	assert.Equal(t, 2, repo.NumClosedActionRuns)
+
+	// now update will correct them, only num_actionr_runs and num_closed_action_runs should be updated
+	err = UpdateRepoRunsNumbers(t.Context(), repo)
+	assert.NoError(t, err)
+	repo = unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 4})
+	assert.Equal(t, 4, repo.NumActionRuns)
+	assert.Equal(t, 3, repo.NumClosedActionRuns)
+}