GraphHandler.h

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#pragma once
#include "OTServiceFoundation/BusinessLogicHandler.h"
#include "OTCore/FolderNames.h"
#include "EntityBlock.h"
#include "EntityBlockConnection.h"
#include "Graph.h"
 
#include<map>
 
class GraphHandler : public BusinessLogicHandler
{
public:
    bool blockDiagramIsValid(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID);
 
    const std::map<ot::UID, std::shared_ptr<GraphNode>>& getgraphNodesByBlockID() const { return m_graphNodeByBlockID; };
    const std::list < std::shared_ptr<GraphNode>>& getRootNodes() const { return m_rootNodes; }
 
private:
    std::string m_blockFolder = ot::FolderNames::BlockFolder;
    std::map<ot::UID, std::shared_ptr<GraphNode>> m_graphNodeByBlockID;
    std::map<std::shared_ptr<GraphNode>, std::shared_ptr<EntityBlock>> m_entityByGraphNode;
    std::list < std::shared_ptr<GraphNode>> m_rootNodes;
 
    const std::string getNameWithoutRoot(EntityBase* _entity);
 
    bool allRequiredConnectionsSet(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID, std::map<ot::UID, std::shared_ptr<EntityBlockConnection>>& _allConnectionsByID);
    std::map<ot::UID, std::shared_ptr<EntityBlockConnection>> loadAllConnections(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID);
    void sortOutUnusedBlocks(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID);
    void sortOutDanglingConnections(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID, std::map<ot::UID, std::shared_ptr<EntityBlockConnection>>& _allConnectionsByID);
    
    bool allConnectionsAreValid(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID, std::map<ot::UID, std::shared_ptr<EntityBlockConnection>>& _allConnectionsByID);
    bool entityHasIncommingConnectionsSet(std::shared_ptr<EntityBlock>& blockEntity, std::map<ot::UID, std::shared_ptr<EntityBlockConnection>>& _allConnectionsByID, std::string& uiMessage);
    bool hasNoCycle(std::map<ot::UID, std::shared_ptr<EntityBlock>>& allBlockEntitiesByBlockID,std::map<ot::UID, std::shared_ptr<EntityBlockConnection>>& _allConnectionsByID);
    Graph buildGraph(std::map<ot::UID, std::shared_ptr<EntityBlock>>& _allBlockEntitiesByBlockID, std::map<ot::UID, std::shared_ptr<EntityBlockConnection>>& _allConnectionsByID);
};