fix(region): support order by snapshot (#24036)

pkg/apis/compute/input.go

@@ -147,6 +147,7 @@ type SnapshotPolicyListInput struct {
 	// 按绑定的磁盘数量排序
 	// pattern:asc|desc
 	OrderByBindDiskCount string `json:"order_by_bind_disk_count"`
+	OrderBySnapshotCount string `json:"order_by_snapshot_count"`
 	// 按类型过滤
 	Type string `json:"type"`
 }

pkg/compute/models/snapshotpolicy.go

@@ -698,6 +698,22 @@ func (manager *SSnapshotPolicyManager) OrderByExtraFields(
 		q = q.AppendField(sdSQ.Field("disk_count"))
 		q = db.OrderByFields(q, []string{input.OrderByBindDiskCount}, []sqlchemy.IQueryField{q.Field("disk_count")})
 	}
+
+	if db.NeedOrderQuery([]string{input.OrderBySnapshotCount}) {
+		spSQ := SnapshotPolicyResourceManager.Query().Equals("resource_type", api.SNAPSHOT_POLICY_TYPE_DISK).SubQuery()
+		ssq := SnapshotManager.Query().SubQuery()
+		pQ := spSQ.Query(
+			spSQ.Field("snapshotpolicy_id"),
+			sqlchemy.COUNT("snapshot_count", ssq.Field("id")),
+		).Join(ssq, sqlchemy.Equals(ssq.Field("disk_id"), spSQ.Field("resource_id"))).GroupBy(spSQ.Field("snapshotpolicy_id"))
+
+		pq := pQ.SubQuery()
+
+		q = q.LeftJoin(pq, sqlchemy.Equals(pq.Field("snapshotpolicy_id"), q.Field("id")))
+		q = q.AppendField(q.QueryFields()...)
+		q = q.AppendField(pq.Field("snapshot_count"))
+		q = db.OrderByFields(q, []string{input.OrderBySnapshotCount}, []sqlchemy.IQueryField{q.Field("snapshot_count")})
+	}
 	return q, nil
 }
 

pkg/mcclient/options/compute/snapshotpolicy.go

@@ -27,6 +27,7 @@ type SnapshotPolicyListOptions struct {
 	options.BaseListOptions
 
 	OrderByBindDiskCount string
+	OrderBySnapshotCount string
 }
 
 func (opts *SnapshotPolicyListOptions) Params() (jsonutils.JSONObject, error) {