feat: expose workflow runtime through HTTP and Go SDK

2026-09-18 06:51:08 +08:00
parent af1ae4cb21
commit b9e4191c6b
50 changed files with 2221 additions and 143 deletions
--- a/internal/storage/mysql/workflow_operations.go
+++ b/internal/storage/mysql/workflow_operations.go
@@ -0,0 +1,80 @@
+package mysql
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+
+	"git.yuntuo.hk/k2safe/orbit/internal/fault"
+	core "git.yuntuo.hk/k2safe/orbit/model"
+	"git.yuntuo.hk/k2safe/orbit/platform/auth"
+	"git.yuntuo.hk/k2safe/orbit/pulse/service"
+	"git.yuntuo.hk/k2safe/orbit/weave/instance"
+)
+
+const workflowOperationColumns = `id,resource_id,operation_id,actor_id,action,created_at`
+
+func scanWorkflowOperation(row scanner) (instance.OperationSummary, error) {
+	var v instance.OperationSummary
+	err := row.Scan(&v.ID, &v.WorkflowID, &v.OperationID, &v.ActorID, &v.Action, &v.CreatedAt)
+	return v, err
+}
+func (s *WorkflowInstanceStore) ListOperations(ctx context.Context, t auth.Token, id core.ID, in service.HistoryPageInput) (instance.OperationPage, error) {
+	out := instance.OperationPage{Items: []instance.OperationSummary{}}
+	err := s.transaction(ctx, t, instance.AuditAction, func(tx *sql.Tx, p auth.Permissions) error {
+		if _, _, _, err := readWorkflowForQuery(ctx, tx, t.NamespaceID, id, p); err != nil {
+			return err
+		}
+		query := `SELECT ` + workflowOperationColumns + ` FROM orbit_audit_events WHERE namespace_id=? AND resource_kind='workflow' AND resource_id=?`
+		args := []any{t.NamespaceID, id}
+		if in.Cursor != "" {
+			c, err := decodeHistoryCursorKind(in.Cursor, t.NamespaceID, id, "", "workflow-operations")
+			if err != nil {
+				return err
+			}
+			query += ` AND (created_at<? OR (created_at=? AND id<?))`
+			args = append(args, *c.Created, *c.Created, c.ID)
+		}
+		query += ` ORDER BY created_at DESC,id DESC LIMIT ?`
+		args = append(args, in.Limit+1)
+		rows, err := tx.QueryContext(ctx, query, args...)
+		if err != nil {
+			return err
+		}
+		defer rows.Close()
+		for rows.Next() {
+			v, err := scanWorkflowOperation(rows)
+			if err != nil {
+				return err
+			}
+			out.Items = append(out.Items, v)
+		}
+		if err := rows.Err(); err != nil {
+			return err
+		}
+		if len(out.Items) > in.Limit {
+			out.Items = out.Items[:in.Limit]
+			last := out.Items[len(out.Items)-1]
+			out.NextCursor, err = encodeHistoryCursor(historyCursor{Version: 1, Kind: "workflow-operations", Namespace: t.NamespaceID, Task: id, ID: last.ID, Created: &last.CreatedAt})
+		}
+		return err
+	})
+	return out, err
+}
+
+func (s *WorkflowInstanceStore) GetOperation(ctx context.Context, t auth.Token, id, audit core.ID) (instance.OperationView, error) {
+	var out instance.OperationView
+	err := s.transaction(ctx, t, instance.AuditAction, func(tx *sql.Tx, p auth.Permissions) error {
+		if _, _, _, err := readWorkflowForQuery(ctx, tx, t.NamespaceID, id, p); err != nil {
+			return err
+		}
+		var before, after []byte
+		err := tx.QueryRowContext(ctx, `SELECT `+workflowOperationColumns+",reason,COALESCE(evidence_ref,''),`before`,`after` FROM orbit_audit_events WHERE namespace_id=? AND resource_kind='workflow' AND resource_id=? AND id=?", t.NamespaceID, id, audit).Scan(&out.ID, &out.WorkflowID, &out.OperationID, &out.ActorID, &out.Action, &out.CreatedAt, &out.Reason, &out.EvidenceRef, &before, &after)
+		if errors.Is(err, sql.ErrNoRows) {
+			return fault.NotFound
+		}
+		out.Before, out.After = before, after
+		return err
+	})
+	return out, err
+}