ExtendableResourceActionHit

/*
 * Copyright (c) 2002-2025, City of Paris
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 *
 * Redistribution and use in source and binary forms, with or without
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 *
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 *  2. Redistributions in binary form must reproduce the above copyright notice
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 *
 * License 1.0
 */
package fr.paris.lutece.portal.service.resource;

import fr.paris.lutece.portal.service.spring.SpringContextService;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

/**
 * Class to notify listeners of actions performed on resources. Listeners keep at least track of the number of actions performed over a given resource.
 */
public final class ExtendableResourceActionHit
{
    /**
     * Download action
     */
    public static final String ACTION_DOWNLOAD = "download";

    /**
     * Creation action
     */
    public static final String ACTION_CREATION = "creation";

    /**
     * Update action
     */
    public static final String ACTION_UPDATE = "update";

    /**
     * Archive action
     */
    public static final String ACTION_ARCHIVE = "archive";

    /**
     * Delete action
     */
    public static final String ACTION_DELETE = "delete";
    private static ExtendableResourceActionHitableResourceActionHit.html#ExtendableResourceActionHit">ExtendableResourceActionHit _instance = new ExtendableResourceActionHit( );

    /**
     * Private constructor
     */
    private ExtendableResourceActionHit( )
    {
    }

    /**
     * Get the service instance
     *
     * @return The instance of the service
     */
    public static ExtendableResourceActionHit getInstance( )
    {
        return _instance;
    }

    /**
     * Get the total number of hit associated to a given action name and resource type
     *
     * @param strActionName
     *            The name of the action to get the number of hit of
     * @param strExtendableResourceType
     *            The resource type to get the hit of
     * @return The number of hit, or 0 if this action has no hit for this resource type
     */
    public int getActionHit( String strActionName, String strExtendableResourceType )
    {
        int nResult = 0;

        for ( IExtendableResourceActionHitListener listener : SpringContextService.getBeansOfType( IExtendableResourceActionHitListener.class ) )
        {
            nResult += listener.getActionHit( strActionName, strExtendableResourceType );
        }

        return nResult;
    }

    /**
     * Get the list of action names associated with a number of hit for a given resource
     *
     * @param strExtendableResourceId
     *            The id of the resource
     * @param strExtendableResourceType
     *            The type of the resource
     * @return A map containing associations between action names and hit number
     */
    public Map<String, Integer> getResourceHit( String strExtendableResourceId, String strExtendableResourceType )
    {
        Map<String, Integer> mapActionHit = new HashMap<>( );

        for ( IExtendableResourceActionHitListener listener : SpringContextService.getBeansOfType( IExtendableResourceActionHitListener.class ) )
        {
            for ( Entry<String, Integer> entry : listener.getResourceHit( strExtendableResourceId, strExtendableResourceType ).entrySet( ) )
            {
                if ( mapActionHit.containsKey( entry.getKey( ) ) )
                {
                    mapActionHit.put( entry.getKey( ), mapActionHit.get( entry.getKey( ) ) + entry.getValue( ) );
                }
                else
                {
                    mapActionHit.put( entry.getKey( ), entry.getValue( ) );
                }
            }
        }

        return mapActionHit;
    }

    /**
     * Get the number of hit associated with a resource and an action name
     *
     * @param strExtendableResourceId
     *            The id of the resource
     * @param strExtendableResourceType
     *            The type of the resource
     * @param strActionName
     *            The name of the action
     * @return The number of hit, or 0 if the resource has no hit for this action
     */
    public int getResourceActionHit( String strExtendableResourceId, String strExtendableResourceType, String strActionName )
    {
        int nResult = 0;

        for ( IExtendableResourceActionHitListener listener : SpringContextService.getBeansOfType( IExtendableResourceActionHitListener.class ) )
        {
            nResult += listener.getResourceActionHit( strExtendableResourceId, strExtendableResourceType, strActionName );
        }

        return nResult;
    }

    /**
     * Notify every listeners that an action has been performed on a resource
     *
     * @param strExtendableResourceId
     *            The id of the resource the action was performed on
     * @param strExtendableResourceType
     *            The type of the resource the action was performed on
     * @param strActionName
     *            The name of the action that was performed on the resource. Action names can be any strings, but the class {@link ExtendableResourceActionHit}
     *            exposes standard action names.
     */
    public void notifyActionOnResource( String strExtendableResourceId, String strExtendableResourceType, String strActionName )
    {
        for ( IExtendableResourceActionHitListener listener : SpringContextService.getBeansOfType( IExtendableResourceActionHitListener.class ) )
        {
            listener.notifyActionOnResource( strExtendableResourceId, strExtendableResourceType, strActionName );
        }
    }
}