fix: create reusable default profile pictures (#406)

Co-authored-by: Elias Schneider <login@eliasschneider.com>

backend/internal/job/db_cleanup_job.go

@@ -0,0 +1,56 @@
+package job
+
+import (
+	"log"
+	"time"
+
+	"github.com/go-co-op/gocron/v2"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"gorm.io/gorm"
+)
+
+func RegisterDbCleanupJobs(db *gorm.DB) {
+	scheduler, err := gocron.NewScheduler()
+	if err != nil {
+		log.Fatalf("Failed to create a new scheduler: %s", err)
+	}
+
+	jobs := &DbCleanupJobs{db: db}
+
+	registerJob(scheduler, "ClearWebauthnSessions", "0 3 * * *", jobs.clearWebauthnSessions)
+	registerJob(scheduler, "ClearOneTimeAccessTokens", "0 3 * * *", jobs.clearOneTimeAccessTokens)
+	registerJob(scheduler, "ClearOidcAuthorizationCodes", "0 3 * * *", jobs.clearOidcAuthorizationCodes)
+	registerJob(scheduler, "ClearOidcRefreshTokens", "0 3 * * *", jobs.clearOidcRefreshTokens)
+	registerJob(scheduler, "ClearAuditLogs", "0 3 * * *", jobs.clearAuditLogs)
+	scheduler.Start()
+}
+
+type DbCleanupJobs struct {
+	db *gorm.DB
+}
+
+// ClearWebauthnSessions deletes WebAuthn sessions that have expired
+func (j *DbCleanupJobs) clearWebauthnSessions() error {
+	return j.db.Delete(&model.WebauthnSession{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearOneTimeAccessTokens deletes one-time access tokens that have expired
+func (j *DbCleanupJobs) clearOneTimeAccessTokens() error {
+	return j.db.Debug().Delete(&model.OneTimeAccessToken{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearOidcAuthorizationCodes deletes OIDC authorization codes that have expired
+func (j *DbCleanupJobs) clearOidcAuthorizationCodes() error {
+	return j.db.Delete(&model.OidcAuthorizationCode{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearOidcAuthorizationCodes deletes OIDC authorization codes that have expired
+func (j *DbCleanupJobs) clearOidcRefreshTokens() error {
+	return j.db.Delete(&model.OidcRefreshToken{}, "expires_at < ?", datatype.DateTime(time.Now())).Error
+}
+
+// ClearAuditLogs deletes audit logs older than 90 days
+func (j *DbCleanupJobs) clearAuditLogs() error {
+	return j.db.Delete(&model.AuditLog{}, "created_at < ?", datatype.DateTime(time.Now().AddDate(0, 0, -90))).Error
+}