164 lines
4.1 KiB
PHP
164 lines
4.1 KiB
PHP
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<?php
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namespace src\file_db_driver;
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use src\debug\Debug;
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class FileDatabaseDriver
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{
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public string $filePath;
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public $file;
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public array $headKeys = [];
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public array $headValues = [];
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private array $resArr = [];
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private array $query = [];
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private int $limitInt = 10;
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public array $serviceInfo = [];
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public function connect(string $filePath): bool
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{
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$this->filePath = $filePath;
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if (file_exists($this->filePath)) {
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$this->file = fopen($this->filePath, "a+");
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if ($this->file) {
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$this->getServiceInfo();
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$this->setHeadKeys();
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$this->setHeadValues();
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return true;
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}
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}
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return false;
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}
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public function getServiceInfo(): void
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{
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$serviceInfo = explode(';', fgets($this->file));
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foreach ($serviceInfo as $item){
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$item = str_replace("\n", "", $item);
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$item = str_replace("\r", "", $item);
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$itemArr = explode("=", $item);
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$this->serviceInfo[$itemArr[0]] = $itemArr[1];
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}
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}
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public function setHeadKeys(): void
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{
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$headArr = explode(';', fgets($this->file));
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foreach ($headArr as $item){
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$item = str_replace("\n", "", $item);
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$item = str_replace("\r", "", $item);
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$this->headKeys[] = $item;
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}
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// $this->head = explode(';', fgets($this->file));
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}
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public function getHeadKeys(): array
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{
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return $this->headKeys;
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}
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public function setHeadValues(): void
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{
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$headArr = explode(';', fgets($this->file));
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foreach ($headArr as $item){
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$item = str_replace("\n", "", $item);
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$item = str_replace("\r", "", $item);
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$this->headValues[] = $item;
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}
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// $this->head = explode(';', fgets($this->file));
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}
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public function getHeadValues(): array
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{
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return $this->headValues;
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}
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public function find(array $query): self
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{
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$j = 0;
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foreach ($query as $key => $value) {
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if(strlen($value) > 0) {
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$this->query['column'][$j] = $key;
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$this->query['value'][$j] = $value;
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$j++;
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}
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}
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return $this;
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}
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public function limit(int $limit): self
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{
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$this->limitInt = $limit;
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return $this;
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}
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public function search(): array
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{
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$resArr = [];
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$i = 1;
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while (!feof($this->file)) {
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if ($i > $this->limitInt){
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break;
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}
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$str = fgets($this->file);
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if (!empty($str)){
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$str = str_replace("\n", "", $str);
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$str = str_replace("\r", "", $str);
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$item = explode(";", $str);
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$item = array_combine($this->headKeys, $item);
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$cnt = count($this->query['column']);
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for ($j = 0; $j < $cnt; $j++) {
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if (strlen($this->searchInStr($this->query['value'][$j], $item, $this->query['column'][$j])) > 0) {
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$flag = true;
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} else {
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$flag = false;
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break;
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}
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}
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if ($flag){
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$resArr[] = $item;
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$i++;
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}
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}
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}
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return $resArr;
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}
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protected function searchInStr(string $strForSearch, array $item, string $column): ?string
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{
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if (isset($item[$column])) {
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if (preg_match("/" . $strForSearch . "/", $item[$column])) {
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return $item[$column];
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}
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}
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return null;
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}
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public function all(): array
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{
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$this->resArr = $this->search();
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return $this->resArr;
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}
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public function close(): void
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{
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fclose($this->file);
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}
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public function save(string $string): void
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{
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// $file = fopen($fileName, "a");
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fwrite($this->file, $string);
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// fclose($file);
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}
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}
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