element.php

См. документацию.

<?php
 
$GLOBALS["UF_GALLERY_SIZE"] = array(); 
 
if (!is_array($GLOBALS["PHOTOGALLERY_VARS"]))
{
    $GLOBALS["PHOTOGALLERY_VARS"] = array(
        "arSections" => array(), 
        "arGalleriesID" => array(), 
        "arGalleries" => array(), 
        "arIBlock" => array());
}
 
class CPhotogalleryElement
{
//  static $arSections = array();
//  static $arGalleries = array(); 
//  static $arIBlock = array(); 
    
    public static function CheckElement($ID, &$arElement, &$arSection, &$arGallery)
    {
        $ID = doubleval($ID); 
        
        if ($ID <= 0)
            return false; 
        $arSelect = array(
            "ID",
            "IBLOCK_ID",
            "IBLOCK_SECTION_ID");
        $db_res = CIBlockElement::GetList(array(), array("ID" => $ID), false, false, $arSelect); 
        if (!($db_res && $arElement = $db_res->Fetch()))
        {
            return false;
        }
        elseif (doubleval($arElement["IBLOCK_SECTION_ID"]) <= 0)
        {
            return false;
        }
        $tmp_db_res = CIBlockElement::GetProperty($arElement["IBLOCK_ID"], $ID, $by = "sort", $order = "asc", array("CODE" => "REAL_PICTURE")); 
        if ($tmp_db_res && $tmp_res = $tmp_db_res->Fetch())
        {
            $arElement["PROPERTY_REAL_PICTURE_VALUE"] = $tmp_res["VALUE"]; 
            $arElement["PROPERTY_REAL_PICTURE_VALUE_ID"] = $tmp_res["PROPERTY_VALUE_ID"]; 
        }
        
        if (!is_set($GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"], $arElement["IBLOCK_ID"]))
        {
            $GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"][$arElement["IBLOCK_ID"]] = false;
            $db_res = CUserTypeEntity::GetList(array($by=>$order), array("ENTITY_ID" => "IBLOCK_".$arElement["IBLOCK_ID"]."_SECTION", "FIELD_NAME" => "UF_GALLERY_SIZE"));
            if ($db_res && $res = $db_res->Fetch())
                $GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"][$arElement["IBLOCK_ID"]] = true;
        }
        if ($GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"][$arElement["IBLOCK_ID"]] === false)
        {
            return false; 
        }
        $arElement["FILE"] = CFile::GetFileArray($arElement["PROPERTY_REAL_PICTURE_VALUE"]);
        if ($arElement["FILE"])
            $arElement["FILE"]["FILE_SIZE"] = doubleval($arElement["FILE"]["FILE_SIZE"]); 
        else
            return false;
 
        if (empty($GLOBALS["PHOTOGALLERY_VARS"]["arSections"][$arElement["IBLOCK_SECTION_ID"]]))
        {
            $db_res = CIBlockSection::GetList(
                array(), 
                array("ID" => $arElement["IBLOCK_SECTION_ID"]), 
                false, 
                array("ID", "NAME", "CREATED_BY", "IBLOCK_SECTION_ID", "RIGHT_MARGIN", "LEFT_MARGIN"));
            $GLOBALS["PHOTOGALLERY_VARS"]["arSections"][$arElement["IBLOCK_SECTION_ID"]] = $db_res->Fetch();
        }
        $arSection = $GLOBALS["PHOTOGALLERY_VARS"]["arSections"][$arElement["IBLOCK_SECTION_ID"]]; 
        
        $iGalleryID = 0; 
        if (!empty($GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]]))
        {
            $iGalleryID = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]]; 
        }
        elseif (!empty($GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"]))
        {
            foreach ($GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"] as $id => $val)
            {
                if (doubleval($val["RIGHT_MARGIN"]) > doubleval($arSection["RIGHT_MARGIN"]) && 
                    doubleval($val["LEFT_MARGIN"]) < doubleval($arSection["LEFT_MARGIN"]))
                {
                    $iGalleryID = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]] = $id; 
                    break; 
                }
            }
        }
        if ($iGalleryID <= 0)
        {
            $arFilter = array(
                "IBLOCK_ID" => $arElement["IBLOCK_ID"], 
                "SECTION_ID" => 0); 
            if (doubleval($arSection["IBLOCK_SECTION_ID"]) > 0)
            {
                $arFilter += array(
                    "!LEFT_MARGIN" => $arSection["LEFT_MARGIN"], 
                    "!RIGHT_MARGIN" => $arSection["RIGHT_MARGIN"], 
                    "!ID" => $arSection["ID"]); 
            }
            else
            {
                $arFilter["ID"] = $arSection["ID"]; 
            }
            
            $db_res = CIBlockSection::GetList(
                array(), 
                $arFilter, 
                false, 
                array("ID", "NAME", "CREATED_BY", "RIGHT_MARGIN", "LEFT_MARGIN", "UF_GALLERY_SIZE", "UF_GALLERY_RECALC"));
            if ($db_res && $res = $db_res->Fetch())
            {
                $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$res["ID"]] = $res; 
                $iGalleryID = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]] = intval($res["ID"]);
            }
        }
        $arGallery = array(); 
        $iGalleryID = intval($iGalleryID);
        if ($iGalleryID > 0)
        {
            if (empty($GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$iGalleryID]))
            {
                $db_res = CIBlockSection::GetList(array(), array("ID" => $iGalleryID), false, 
                    array("ID", "NAME", "CREATED_BY", "RIGHT_MARGIN", "LEFT_MARGIN", "UF_GALLERY_SIZE", "UF_GALLERY_RECALC"));
                $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$iGalleryID] = $db_res->Fetch(); 
            }
            $arGallery = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$iGalleryID]; 
        }
        return true; 
    }
    
    public static function OnBeforeIBlockElementDelete($ID)
    {
        $ID = doubleval($ID);
        if (CPhotogalleryElement::CheckElement($ID, $arElement, $arSection, $arGallery))
        {
            $arGallery["UF_GALLERY_SIZE"] = (doubleval($arGallery["UF_GALLERY_SIZE"]) - $arElement["FILE"]["FILE_SIZE"]); 
            $GLOBALS["UF_GALLERY_SIZE"] = ($arGallery["UF_GALLERY_SIZE"] <= 0 ? 0 : $arGallery["UF_GALLERY_SIZE"]); 
            $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$arGallery["ID"]]["UF_GALLERY_SIZE"] = $GLOBALS["UF_GALLERY_SIZE"]; 
            $arFields = array(
                "IBLOCK_ID" => $arElement["IBLOCK_ID"], 
                "UF_GALLERY_SIZE" => $GLOBALS["UF_GALLERY_SIZE"]);
            $bs = new CIBlockSection;
            $GLOBALS["USER_FIELD_MANAGER"]->EditFormAddFields("IBLOCK_".$arElement["IBLOCK_ID"]."_SECTION", $arFields);
            $res = $bs->Update($arGallery["ID"], $arFields, false, false);
        }
        return true;
    }
    
    public static function OnRecalcGalleries($ID, $INDEX)
    {
        $ID = doubleval($ID); 
        
        if (CPhotogalleryElement::CheckElement($ID, $arElement, $arSection, $arGallery))
        {
            $arFields = array(
                "IBLOCK_ID" => $arElement["IBLOCK_ID"], 
                "UF_GALLERY_SIZE" => $arGallery["UF_GALLERY_SIZE"]);
            if (doubleval($arGallery["UF_GALLERY_SIZE"]) > 0 && $arGallery["UF_GALLERY_RECALC"] != $INDEX)
            {
                $arGallery["UF_GALLERY_SIZE"] = 0; 
                $GLOBALS["UF_GALLERY_RECALC"] = $arFields["UF_GALLERY_RECALC"] = $INDEX; 
            }
            $arFields["UF_GALLERY_SIZE"] = $GLOBALS["UF_GALLERY_SIZE"] = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$arGallery["ID"]]["UF_GALLERY_SIZE"] =(doubleval($arGallery["UF_GALLERY_SIZE"]) + $arElement["FILE"]["FILE_SIZE"]); 
            $bs = new CIBlockSection;
            $GLOBALS["USER_FIELD_MANAGER"]->EditFormAddFields("IBLOCK_".$arElement["IBLOCK_ID"]."_SECTION", $arFields);
            $res = $bs->Update($arGallery["ID"], $arFields, false, false);
        }
        return true;
    }
    
    public static function OnAfterRecalcGalleries($IBLOCK_ID, $INDEX)
    {
        if ($IBLOCK_ID <= 0)
            return false; 
        $arFilters = array(
            array("IBLOCK_ID" => $IBLOCK_ID, "SECTION_ID" => 0, ">UF_GALLERY_SIZE" => 0, "!UF_GALLERY_RECALC" => $INDEX.""), 
            array("IBLOCK_ID" => $IBLOCK_ID, "SECTION_ID" => 0, ">UF_GALLERY_SIZE" => 0, "UF_GALLERY_RECALC" => false)); 
        $bs = new CIBlockSection;
        foreach ($arFilters as $arFilter)
        {
            $db_res = CIBlockSection::GetList(array("ID" => "ASC"), $arFilter); 
            if ($db_res && $res = $db_res->Fetch())
            {
                
                do 
                {
                    $arFields = array(
                        "IBLOCK_ID" => $IBLOCK_ID, 
                        "UF_GALLERY_SIZE" => 0);
                    $GLOBALS["UF_GALLERY_SIZE"] = 0; 
                    $GLOBALS["USER_FIELD_MANAGER"]->EditFormAddFields("IBLOCK_".$IBLOCK_ID."_SECTION", $arFields);
                    $bs->Update($res["ID"], $arFields, false, false);
                } while ($res = $db_res->Fetch()); 
            }
        }
    }
 
    public static function OnAfterIBlockElementAdd($res)
    {
        $ID = doubleval($res["ID"] ?? null);
        if (CPhotogalleryElement::CheckElement($ID, $arElement, $arSection, $arGallery))
        {
            $GLOBALS["UF_GALLERY_SIZE"] = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$arGallery["ID"]]["UF_GALLERY_SIZE"] = (doubleval($arGallery["UF_GALLERY_SIZE"]) + $arElement["FILE"]["FILE_SIZE"]); 
            $arFields = array(
                "IBLOCK_ID" => $arElement["IBLOCK_ID"], 
                "UF_GALLERY_SIZE" => $GLOBALS["UF_GALLERY_SIZE"]);
            $bs = new CIBlockSection;
            $GLOBALS["USER_FIELD_MANAGER"]->EditFormAddFields("IBLOCK_".$arElement["IBLOCK_ID"]."_SECTION", $arFields);
            $res = $bs->Update($arGallery["ID"], $arFields, false, false);
        }
        return true;
    }
}