feat: remove bots resources after deleting repo

services/bots/bots.go

@@ -5,7 +5,15 @@
 package bots
 
 import (
+	"context"
+	"fmt"
+
+	bots_model "code.gitea.io/gitea/models/bots"
+	"code.gitea.io/gitea/models/db"
+	repo_model "code.gitea.io/gitea/models/repo"
+	bots_module "code.gitea.io/gitea/modules/bots"
 	"code.gitea.io/gitea/modules/graceful"
+	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/queue"
 )
 
@@ -13,3 +21,43 @@ func Init() {
 	jobEmitterQueue = queue.CreateUniqueQueue("bots_ready_job", jobEmitterQueueHandle, new(jobUpdate))
 	go graceful.GetManager().RunWithShutdownFns(jobEmitterQueue.Run)
 }
+
+func DeleteResourceOfRepository(ctx context.Context, repo *repo_model.Repository) error {
+	tasks, _, err := bots_model.FindTasks(ctx, bots_model.FindTaskOptions{RepoID: repo.ID})
+	if err != nil {
+		return fmt.Errorf("find task of repo %v: %w", repo.ID, err)
+	}
+
+	if err := db.WithTx(ctx, func(ctx context.Context) error {
+		e := db.GetEngine(ctx)
+		if _, err := e.Delete(&bots_model.BotTaskStep{RepoID: repo.ID}); err != nil {
+			return fmt.Errorf("delete bots task steps of repo %d: %w", repo.ID, err)
+		}
+		if _, err := e.Delete(&bots_model.BotTask{RepoID: repo.ID}); err != nil {
+			return fmt.Errorf("delete bots tasks of repo %d: %w", repo.ID, err)
+		}
+		if _, err := e.Delete(&bots_model.BotRunJob{RepoID: repo.ID}); err != nil {
+			return fmt.Errorf("delete bots run jobs of repo %d: %w", repo.ID, err)
+		}
+		if _, err := e.Delete(&bots_model.BotRun{RepoID: repo.ID}); err != nil {
+			return fmt.Errorf("delete bots runs of repo %d: %w", repo.ID, err)
+		}
+		if _, err := e.Delete(&bots_model.BotRunner{RepoID: repo.ID}); err != nil {
+			return fmt.Errorf("delete bots runner of repo %d: %w", repo.ID, err)
+		}
+		return nil
+	}); err != nil {
+		return err
+	}
+
+	// remove logs file after tasks have been deleted, to avoid new log files
+	for _, task := range tasks {
+		err := bots_module.RemoveLogs(ctx, task.LogInStorage, task.LogFilename)
+		if err != nil {
+			log.Error("remove log file %q: %v", task.LogFilename, err)
+			// go on
+		}
+	}
+
+	return nil
+}