public GetTreeNodesResponse GetTreeNodes(GetTreeNodesRequest request)
{
var response = new GetTreeNodes().Execute(request) as GetTreeNodesResponse;
if (response == null)
{
throw new InvalidOperationException("Response is null or wrong response type. Expected: GetTreeNodesResponse");
}
return(response);
}
/// <summary>
/// Retrieves the nodes of the current level of the project tree.
/// </summary>
/// <param name="request">Request.</param>
/// <param name="parentIds">Parent ids.</param>
/// <param name="path">Path elements.</param>
/// <param name="pageSize">Page size.</param>
/// <param name="pageNumber">Page number.</param>
/// <returns>Nodes of the current level of the project tree.</returns>
public HttpResponseMessage Post(HttpRequestMessage request, string parentIds, string path, int pageSize = 10, int pageNumber = 0)
{
// Parse and validate input parameters
string[] parentIdsParsed = ParseAndValidateParentIds(request, parentIds);
TreeNodePath pathParsed = ParseAndValidatePath(request, path);
if (parentIdsParsed.Length != pathParsed.Length)
{
return(request.CreateErrorResponse(HttpStatusCode.BadRequest,
String.Format("Parent ids ('{0}') length ({1}) is not equal to path ('{2}') length ({3}).", parentIds, parentIdsParsed.Length, path, pathParsed.Length)));
}
// Process path by retrieving the object for every path element with the corresponding id from id chain
var linkBuilder = new LinkBuilder(Url);
Project project = null;
Database database = null;
BaseEnum baseEnum = null;
Entity entity = null;
Relation relation = null;
Guid lastId = Guid.Empty;
int i = 0;
foreach (var element in pathParsed)
{
lastId = this.ParseAndValidateId(request, parentIdsParsed[i]);
switch (element)
{
case Element.Project:
VerifyProjectId(request, parentIdsParsed[i], project);
break;
case Element.Database:
database = RetrieveDatabase(request, linkBuilder, parentIdsParsed[i], project);
break;
case Element.Folder_Diagrams:
RetrieveFolder(request, parentIdsParsed[i], database.Id);
break;
case Element.Folder_BaseEnums:
RetrieveFolder(request, parentIdsParsed[i], database.Id);
break;
case Element.Folder_DataTypes:
RetrieveFolder(request, parentIdsParsed[i], database.Id);
break;
case Element.Folder_Entities:
RetrieveFolder(request, parentIdsParsed[i], database.Id);
break;
case Element.Diagram:
throw new NotImplementedException(); // TODO: implement
case Element.BaseEnum:
baseEnum = RetrieveBaseEnum(request, linkBuilder, parentIdsParsed[i], database);
break;
case Element.Entity:
entity = RetrieveEntity(request, linkBuilder, parentIdsParsed[i], database);
break;
case Element.Folder_EntityAttributes:
RetrieveFolder(request, parentIdsParsed[i], entity.Id);
break;
case Element.Folder_EntityRelations:
RetrieveFolder(request, parentIdsParsed[i], entity.Id);
break;
case Element.Relation:
relation = RetrieveRelation(request, linkBuilder, parentIdsParsed[i], entity);
break;
default:
if (element != TreeNodePath.Root)
{
return(request.CreateErrorResponse(HttpStatusCode.BadRequest,
String.Format("Element '{0}' is not expected at position {1} of the path '{2}'.", element, i, path)));
}
project = RetrieveProject(request, linkBuilder, parentIdsParsed[i]);
break;
}
i++;
}
// Retrieve nodes
var getTreeNodes = new GetTreeNodes();
QueryResult <TreeNode> treeNodes = getTreeNodes.Execute(ObjectTreeDataSource.ProjectTreeView, lastId, pathParsed, pageSize, pageNumber);
// Add links
foreach (var node in treeNodes.ResultSet)
{
node.AddLinks(linkBuilder, parentIds + IdSeparator + node.ObjectId, pathParsed);
}
// Wrap into the collection
var collection = this.WrapQueryResultIntoCollection <TreeNode>(treeNodes);
// Return the object
return(request.CreateResponse(HttpStatusCode.OK, collection));
}
