68 lines
2.3 KiB
Go
68 lines
2.3 KiB
Go
package repository
|
|
|
|
import (
|
|
"time"
|
|
|
|
"infinite-canvas/backend/internal/model"
|
|
|
|
"gorm.io/gorm"
|
|
"gorm.io/gorm/clause"
|
|
)
|
|
|
|
func (r *Repository) ClaimNextResourceDeletionJob(owner string, leaseDuration time.Duration) (*model.ResourceDeletionJob, error) {
|
|
var job model.ResourceDeletionJob
|
|
now := time.Now()
|
|
err := r.db.Transaction(func(tx *gorm.DB) error {
|
|
available := "(status = ? OR (status = ? AND (lease_expires_at IS NULL OR lease_expires_at <= ?))) AND next_attempt_at <= ?"
|
|
query := tx.Where(available, model.ResourceDeletionStatusPending, model.ResourceDeletionStatusProcessing, now, now).
|
|
Order("next_attempt_at asc, created_at asc").Limit(1)
|
|
if r.Dialect() == "postgres" {
|
|
query = query.Clauses(clause.Locking{Strength: "UPDATE", Options: "SKIP LOCKED"})
|
|
}
|
|
result := query.Find(&job)
|
|
if result.Error != nil || result.RowsAffected == 0 {
|
|
return result.Error
|
|
}
|
|
claim := tx.Model(&model.ResourceDeletionJob{}).Where("id = ?", job.ID)
|
|
if r.Dialect() != "postgres" {
|
|
claim = claim.Where(available, model.ResourceDeletionStatusPending, model.ResourceDeletionStatusProcessing, now, now)
|
|
}
|
|
updated := claim.Updates(map[string]any{
|
|
"status": model.ResourceDeletionStatusProcessing,
|
|
"attempts": gorm.Expr("attempts + ?", 1),
|
|
"lease_owner": owner,
|
|
"lease_expires_at": now.Add(leaseDuration),
|
|
"updated_at": now,
|
|
})
|
|
if updated.Error != nil {
|
|
return updated.Error
|
|
}
|
|
if updated.RowsAffected == 0 {
|
|
job = model.ResourceDeletionJob{}
|
|
return nil
|
|
}
|
|
return tx.First(&job, "id = ?", job.ID).Error
|
|
})
|
|
if err != nil || job.ID == "" {
|
|
return nil, err
|
|
}
|
|
return &job, nil
|
|
}
|
|
|
|
func (r *Repository) CompleteResourceDeletionJob(id string, owner string) error {
|
|
return r.db.Where("id = ? AND lease_owner = ?", id, owner).Delete(&model.ResourceDeletionJob{}).Error
|
|
}
|
|
|
|
func (r *Repository) RetryResourceDeletionJob(id string, owner string, lastError string, nextAttemptAt time.Time) error {
|
|
return r.db.Model(&model.ResourceDeletionJob{}).
|
|
Where("id = ? AND lease_owner = ?", id, owner).
|
|
Updates(map[string]any{
|
|
"status": model.ResourceDeletionStatusPending,
|
|
"last_error": lastError,
|
|
"next_attempt_at": nextAttemptAt,
|
|
"lease_owner": "",
|
|
"lease_expires_at": nil,
|
|
"updated_at": time.Now(),
|
|
}).Error
|
|
}
|