base.php

<?php
 
 
namespace Bitrix\Rest\Integration\View;
 
 
use Bitrix\Main\Engine\Response\Converter;
use Bitrix\Main\Error;
use Bitrix\Main\NotImplementedException;
use Bitrix\Main\Result;
use Bitrix\Main\Type\Date;
use Bitrix\Main\Type\DateTime;
use Bitrix\Rest\Integration\Externalizer;
 
abstract class Base
{
    abstract public function getFields();
 
    final public function prepareFieldInfos($fields): array
    {
        $result = [];
        foreach($fields as $name => $info)
        {
            $attributs = isset($info['ATTRIBUTES']) ? $info['ATTRIBUTES'] : [];
 
            if(in_array(Attributes::HIDDEN, $attributs, true))
            {
                continue;
            }
 
            $result[$name] = $this->prepareFieldAttributs($info, $attributs);
        }
 
        return $result;
    }
 
    protected function prepareFieldAttributs($info, $attributs): array
    {
        $intersectRequired = array_intersect([
            Attributes::REQUIRED,
            Attributes::REQUIRED_ADD,
            Attributes::REQUIRED_UPDATE
        ], $attributs);
 
        return array(
            'TYPE' => $info['TYPE'],
            'IS_REQUIRED' => count($intersectRequired) > 0,
            'IS_READ_ONLY' => in_array(Attributes::READONLY, $attributs, true),
            'IS_IMMUTABLE' => in_array(Attributes::IMMUTABLE, $attributs, true)
        );
    }
 
    final public function getListFieldInfo(array $fieldsInfo, $params=[]): array
    {
        $list = [];
 
        $filter = isset($params['filter'])?$params['filter']:[];
        $ignoredAttributes = isset($filter['ignoredAttributes'])?$filter['ignoredAttributes']:[];
        $ignoredFields = isset($filter['ignoredFields'])?$filter['ignoredFields']:[];
        $skipFields = isset($filter['skipFields'])?$filter['skipFields']:[];
 
        foreach ($fieldsInfo as $name=>$info)
        {
            if(in_array($name, $ignoredFields))
            {
                continue;
            }
            elseif(in_array($name, $skipFields) == false)
            {
                if(isset($info['ATTRIBUTES']))
                {
                    $skipAttr = array_intersect($ignoredAttributes, $info['ATTRIBUTES']);
                    if(!empty($skipAttr))
                    {
                        continue;
                    }
                }
            }
 
            $list[$name] = $info;
        }
 
        return $list;
    }
 
    //region convert keys to snake case
    final public function convertKeysToSnakeCaseFields($fields)
    {
        return $this->convertKeysToSnakeCase($fields);
    }
 
    final public function convertKeysToSnakeCaseSelect($fields)
    {
        $converter = new Converter(Converter::VALUES | Converter::TO_SNAKE | Converter::TO_SNAKE_DIGIT | Converter::TO_UPPER);
        return $converter->process($fields);
    }
 
    final public function convertKeysToSnakeCaseFilter($fields)
    {
        return $this->convertKeysToSnakeCase($fields);
    }
 
    final public function convertKeysToSnakeCaseOrder($fields): array
    {
        $result = [];
 
        $converter = new Converter(Converter::VALUES | Converter::TO_UPPER);
        $converterForKey = new Converter(Converter::KEYS | Converter::TO_SNAKE | Converter::TO_SNAKE_DIGIT | Converter::TO_UPPER);
 
        foreach ($converter->process($fields) as $key=>$value)
        {
            $result[$converterForKey->process($key)] = $value;
        }
 
        return $result;
    }
 
    public function convertKeysToSnakeCaseArguments($name, $arguments)
    {
        return $arguments;
    }
 
    final protected function convertKeysToSnakeCase($data)
    {
        $converter = new Converter(Converter::KEYS | Converter::RECURSIVE | Converter::TO_SNAKE | Converter::TO_SNAKE_DIGIT | Converter::TO_UPPER);
        return $converter->process($data);
    }
    //endregion
 
    //region internalize fields
    public function internalizeArguments($name, $arguments): array
    {
        throw new NotImplementedException('Internalize arguments. The method '.$name.' is not implemented.');
    }
 
    public function internalizeFieldsList($arguments, $fieldsInfo=[]): array
    {
        $fieldsInfo = empty($fieldsInfo) ? $this->getFields():$fieldsInfo;
 
        $fieldsInfo = $this->getListFieldInfo($fieldsInfo, ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]);
 
        $filter = isset($arguments['filter']) ? $this->internalizeFilterFields($arguments['filter'], $fieldsInfo):[];
        $select = isset($arguments['select']) ? $this->internalizeSelectFields($arguments['select'], $fieldsInfo):[];
        $order = isset($arguments['order']) ? $this->internalizeOrderFields($arguments['order'], $fieldsInfo):[];
 
        return [
            'filter'=>$filter,
            'select'=>$select,
            'order'=>$order,
        ];
    }
 
    public function internalizeFieldsAdd($fields, $fieldsInfo=[]): array
    {
        $fieldsInfo = empty($fieldsInfo) ? $this->getFields():$fieldsInfo;
 
        return $this->internalizeFields(
            $fields,
            $this->getListFieldInfo(
                $fieldsInfo,
                ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN, Attributes::READONLY]]]
            )
        );
    }
 
    public function internalizeFieldsUpdate($fields, $fieldsInfo=[]): array
    {
        $fieldsInfo = empty($fieldsInfo) ? $this->getFields():$fieldsInfo;
 
        return $this->internalizeFields(
            $fields,
            $this->getListFieldInfo(
                $fieldsInfo,
                ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN, Attributes::READONLY, Attributes::IMMUTABLE]]]
            )
        );
    }
 
    final protected function internalizeFields($fields, array $fieldsInfo): array
    {
        $result = [];
 
        foreach ($fields as $name=>$value)
        {
            $info = isset($fieldsInfo[$name]) ? $fieldsInfo[$name]:null;
            if(!$info)
            {
                continue;
            }
 
            $r = $this->internalizeValue($value, $info);
 
            if($r->isSuccess() === false)
            {
                continue;
            }
 
            $result[$this->canonicalizeField($name, $info)] = $r->getData()[0];
        }
        return $result;
    }
 
    final protected function internalizeValue($value, $info): Result
    {
        $r = new Result();
 
        $type = isset($info['TYPE']) ? $info['TYPE']:'';
 
        if($type === DataType::TYPE_FLOAT)
        {
            $value = floatval($value);
        }
        elseif($type === DataType::TYPE_INT)
        {
            $value = (int)$value;
        }
        elseif($type === DataType::TYPE_DATETIME)
        {
            $date = $this->internalizeDateTimeValue($value);
 
            if($date->isSuccess())
            {
                $value = $date->getData()[0];
            }
            else
            {
                $r->addErrors($date->getErrors());
            }
        }
        elseif($type === DataType::TYPE_DATE)
        {
            $date = $this->internalizeDateValue($value);
 
            if($date->isSuccess())
            {
                $value = $date->getData()[0];
            }
            else
            {
                $r->addErrors($date->getErrors());
            }
        }
        elseif($type === DataType::TYPE_FILE)
        {
            $value = $this->internalizeFileValue($value);
        }
        else
        {
            $r = $this->internalizeExtendedTypeValue($value, $info);
            if($r->isSuccess())
            {
                $value = $r->getData()[0];
            }
        }
 
        if($r->isSuccess())
        {
            $r->setData([$value]);
        }
 
        return $r;
    }
 
    protected function internalizeDateValue($value): Result
    {
        $r = new Result();
 
        $date = $this->internalizeDate($value);
 
        if($date instanceof Date)
        {
            $value = $date;
        }
        else
        {
            $r->addError(new Error('Wrong type date'));
        }
 
        if($r->isSuccess())
        {
            $r->setData([$value]);
        }
 
        return $r;
    }
 
    protected function internalizeDateTimeValue($value): Result
    {
        $r = new Result();
 
        $date = $this->internalizeDateTime($value);
 
        if($date instanceof DateTime)
        {
            $value = $date;
        }
        else
        {
            $r->addError(new Error('Wrong type datetime'));
        }
 
        if($r->isSuccess())
        {
            $r->setData([$value]);
        }
 
        return $r;
    }
 
    final protected function internalizeDate($value)
    {
        if($value === '')
        {
            $date = '';
        }
        else
        {
            $time = strtotime($value);
            $date = ($time) ? \Bitrix\Main\Type\Date::createFromTimestamp($time):'';
        }
        return $date;
    }
 
    final protected function internalizeDateTime($value)
    {
        if($value === '')
        {
            $date = '';
        }
        else
        {
            $time = strtotime($value);
            $date = ($time) ? \Bitrix\Main\Type\DateTime::createFromTimestamp($time):'';
        }
        return $date;
    }
 
    final protected function internalizeFileValue($value)
    {
        $result = [];
 
        $remove = isset($value['REMOVE']) && is_string($value['REMOVE']) && mb_strtoupper($value['REMOVE']) === 'Y';
        $data = isset($value['FILE_DATA']) ? $value['FILE_DATA'] : [];
 
        $data = $this->parserFileValue($data);
 
        $content = isset($data['CONTENT']) ? $data['CONTENT']:'';
        $name = isset($data['NAME']) ? $data['NAME']:'';
 
        if(is_string($content) && $content !== '')
        {
            // Add/replace file
            $fileInfo = \CRestUtil::saveFile($content, $name);
            if(is_array($fileInfo))
            {
                $result = $fileInfo;
            }
        }
        elseif($remove)
        {
            // Remove file
            $result = ['del'=>'Y'];
        }
 
        return  $result;
    }
 
    protected function internalizeExtendedTypeValue($value, $info): Result
    {
        $r = new Result();
 
        $r->setData([$value]);
 
        return $r;
    }
 
    final protected function parserFileValue(array $data): array
    {
        $count = count($data);
 
        if($count > 1)
        {
            $name = $data[0];
            $content = $data[1];
        }
        elseif($count === 1)
        {
            $name = '';
            $content = $data[0];
        }
        else
        {
            $name = '';
            $content = '';
        }
 
        return ['CONTENT'=>$content, 'NAME'=>$name];
    }
 
    final protected function internalizeFilterFields($fields, array $fieldsInfo): array
    {
        $result = [];
 
        $fieldsInfo = empty($fieldsInfo)? $this->getFields():$fieldsInfo;
 
        if (is_array($fields) && !empty($fields))
        {
            $listFieldsInfo = $this->getListFieldInfo($fieldsInfo, ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]);
 
            foreach ($fields as $rawName=>$value)
            {
                $field = \CSqlUtil::GetFilterOperation($rawName);
 
                $info = isset($listFieldsInfo[$field['FIELD']]) ? $listFieldsInfo[$field['FIELD']]:null;
                if (!$info)
                {
                    continue;
                }
 
                $r = $this->internalizeValue($value, $info);
 
                if ($r->isSuccess() === false)
                {
                    continue;
                }
 
                $operation = mb_substr($rawName, 0, mb_strlen($rawName) - mb_strlen($field['FIELD']));
                if (isset($info['FORBIDDEN_FILTERS'])
                    && is_array($info['FORBIDDEN_FILTERS'])
                    && in_array($operation, $info['FORBIDDEN_FILTERS'], true))
                {
                    continue;
                }
 
                $rawName = $operation.$this->canonicalizeField($field['FIELD'], $info);
 
                $result[$rawName] = $r->getData()[0];
            }
        }
 
        return $result;
    }
 
    final protected function internalizeSelectFields($fields, array $fieldsInfo): array
    {
        $result = [];
 
        $fieldsInfo = empty($fieldsInfo)? $this->getFields():$fieldsInfo;
 
        $listFieldsInfo = $this->getListFieldInfo($fieldsInfo, ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]);
 
        if (empty($fields) || in_array('*', $fields, true))
        {
            $fields = array_keys($listFieldsInfo);
        }
 
        foreach ($fields as $name)
        {
            $info = isset($listFieldsInfo[$name]) ? $listFieldsInfo[$name]:null;
            if (!$info)
            {
                continue;
            }
 
            $result[] = $this->canonicalizeField($name, $info);
        }
 
        return $result;
    }
 
    final protected function internalizeOrderFields($fields, array $fieldsInfo): array
    {
        $result = [];
 
        $fieldsInfo = empty($fieldsInfo)? $this->getFields():$fieldsInfo;
 
        if (is_array($fields) && count($fields)>0)
        {
            $listFieldsInfo = $this->getListFieldInfo($fieldsInfo, ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]);
 
            foreach ($fields as $field => $order)
            {
                $info = isset($listFieldsInfo[$field]) ? $listFieldsInfo[$field]:null;
                if (!$info)
                {
                    continue;
                }
 
                $result[$this->canonicalizeField($field, $info)] = $order;
            }
        }
 
        return $result;
    }
 
    final protected function internalizeListFields($list, $fieldsInfo=[]): array
    {
        $result = [];
 
        $fieldsInfo = empty($fieldsInfo) ? $this->getFields():$fieldsInfo;
 
        $listFieldsInfo = $this->getListFieldInfo($fieldsInfo, ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]);
 
        if(is_array($list) && count($list)>0)
        {
            foreach ($list as $k=>$item)
            {
                $result[$k] = $this->internalizeFields($item, $listFieldsInfo);
            }
        }
        return $result;
    }
    //endregion
 
    // region externalize fields
    final protected function externalizeValue($name, $value, $fields, $fieldsInfo): Result
    {
        $r = new Result();
 
        $type = isset($fieldsInfo[$name]['TYPE']) ? $fieldsInfo[$name]['TYPE']:'';
 
        if(empty($value))
        {
            $value = $this->externalizeEmptyValue($name, $value, $fields, $fieldsInfo);
        }
        else
        {
            if($type === DataType::TYPE_FLOAT)
            {
                $value = floatval($value);
            }
            elseif($type === DataType::TYPE_INT)
            {
                $value = (int)$value;
            }
            elseif($type === DataType::TYPE_DATE)
            {
                $date = $this->externalizeDateValue($value);
 
                if($date->isSuccess())
                {
                    $value = $date->getData()[0];
                }
                else
                {
                    $r->addErrors($date->getErrors());
                }
            }
            elseif($type === DataType::TYPE_DATETIME)
            {
                $date = $this->externalizeDateTimeValue($value);
 
                if($date->isSuccess())
                {
                    $value = $date->getData()[0];
                }
                else
                {
                    $r->addErrors($date->getErrors());
                }
            }
            elseif($type === DataType::TYPE_FILE)
            {
                $value = $this->externalizeFileValue($name, $value, $fields);
            }
            else
            {
                $r = $this->externalizeExtendedTypeValue($name, $value, $fields, $fieldsInfo);
                if($r->isSuccess())
                {
                    $value = $r->getData()[0];
                }
            }
        }
 
        if($r->isSuccess())
        {
            $r->setData([$value]);
        }
 
        return $r;
    }
 
    final protected function externalizeFields($fields, $fieldsInfo): array
    {
        $result = [];
 
        if(is_array($fields) && count($fields)>0)
        {
            foreach($fields as $name => $value)
            {
                $name = $this->aliasesField($name, $fieldsInfo);
 
                $info = isset($fieldsInfo[$name]) ? $fieldsInfo[$name] : null;
                if (!$info)
                {
                    continue;
                }
 
                $r = $this->externalizeValue($name, $value, $fields, $fieldsInfo);
 
                if ($r->isSuccess() === false)
                {
                    continue;
                }
 
                $result[$name] = $r->getData()[0];
            }
        }
        return $result;
    }
 
    protected function externalizeEmptyValue($name, $value, $fields, $fieldsInfo)
    {
        return null;
    }
 
    final protected function externalizeDateValue($value): Result
    {
        $r = new Result();
 
        $time = strtotime($value);
        $value = ($time) ? \Bitrix\Main\Type\Date::createFromTimestamp($time):'';
 
        if($r->isSuccess())
        {
            $r->setData([$value]);
        }
 
        return $r;
    }
 
    final protected function externalizeDateTimeValue($value): Result
    {
        $r = new Result();
 
        $time = strtotime($value);
        $value = ($time) ? \Bitrix\Main\Type\DateTime::createFromTimestamp($time):'';
 
        if($r->isSuccess())
        {
            $r->setData([$value]);
        }
 
        return $r;
    }
 
    protected function externalizeFileValue($name, $value, $fields): array
    {
        throw new NotImplementedException('Externalize file. The method externalizeFile is not implemented.');
    }
 
    protected function externalizeExtendedTypeValue($name, $value, $fields, $fieldsInfo): Result
    {
        $r = new Result();
 
        $r->setData([$value]);
 
        return $r;
    }
 
    public function externalizeListFields($list, $fieldsInfo=[]): array
    {
        $result = [];
 
        $fieldsInfo = empty($fieldsInfo) ? $this->getFields():$fieldsInfo;
 
        $listFieldInfo = $this->getListFieldInfo($fieldsInfo, ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]);
 
        if(is_array($list) && count($list)>0)
        {
            foreach($list as $k=>$fields)
                $result[$k] = $this->externalizeFields($fields, $listFieldInfo);
        }
        return $result;
    }
 
    public function externalizeResult($name, $fields): array
    {
        throw new NotImplementedException('Externalize result. The method '.$name.' is not implemented.');
    }
 
    public function externalizeFieldsGet($fields, $fieldsInfo=[]): array
    {
        $fieldsInfo = empty($fieldsInfo) ? $this->getFields():$fieldsInfo;
 
        return $this->externalizeFields(
            $fields,
            $this->getListFieldInfo(
                $fieldsInfo,
                ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN]]]
            )
        );
    }
    // endregion
 
    //region check fields
    final public function checkFieldsAdd($fields): Result
    {
        $r = new Result();
 
        $required = $this->checkRequiredFieldsAdd($fields);
        if(!$required->isSuccess())
            $r->addError(new Error('Required fields: '.implode(', ', $required->getErrorMessages())));
 
        return $r;
    }
 
    final public function checkFieldsUpdate($fields): Result
    {
        $r = new Result();
 
        $required = $this->checkRequiredFieldsUpdate($fields);
        if(!$required->isSuccess())
            $r->addError(new Error('Required fields: '.implode(', ', $required->getErrorMessages())));
 
        return $r;
    }
 
    public function checkFieldsList($arguments): Result
    {
        return new Result();
    }
 
    public function checkArguments($name, $arguments): Result
    {
        return new Result();
    }
 
    final protected function checkRequiredFieldsAdd($fields): Result
    {
        return $this->checkRequiredFields($fields, $this->getListFieldInfo(
            $this->getFields(),
            ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN, Attributes::READONLY, Attributes::REQUIRED_UPDATE]]]
        ));
    }
 
    final protected function checkRequiredFieldsUpdate($fields): Result
    {
        return $this->checkRequiredFields($fields, $this->getListFieldInfo(
            $this->getFields(),
            ['filter'=>['ignoredAttributes'=>[Attributes::HIDDEN, Attributes::READONLY, Attributes::REQUIRED_ADD, Attributes::IMMUTABLE]]]
        ));
    }
 
    final protected function checkRequiredFields($fields, array $fieldsInfo, $params=[]): Result
    {
        $r = new Result();
 
        $addRequiredFields = isset($params['+required']) ? $params['+required']:[];
        $delRequiredFields = isset($params['-required']) ? $params['-required']:[];
 
        foreach ($this->prepareFieldInfos($fieldsInfo) as $name=>$info)
        {
            if(in_array($name, $delRequiredFields))
            {
                continue;
            }
            elseif($info['IS_REQUIRED'] == 'Y' || in_array($name, $addRequiredFields))
            {
                if(!isset($fields[$name]))
                    $r->addError(new Error(Externalizer::convertKeysToCamelCase($name)));
            }
        }
 
        return $r;
    }
    //endregion
 
    //region canonical
    final protected function canonicalizeField($name, $info): string
    {
        $canonical = $info['CANONICAL_NAME'] ?? null;
        if ($canonical)
        {
            return $canonical;
        }
        else
        {
            return $name;
        }
    }
    //endregion
 
    //region aliases
    final protected function aliasesField($name, $fieldsInfo): string
    {
        $alias = $name;
 
        $item = array_filter($fieldsInfo, function($info) use ($name){
            $canonical = $info['CANONICAL_NAME'] ?? null;
            if (!$canonical)
            {
                return false;
            }
 
            return $canonical === $name;
        });
 
        if (is_array($item) && !empty($item))
        {
            $alias = array_keys($item)[0];
        }
 
        return $alias;
    }
    //endregion
}