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Add comments and fix errors, use request object to get data
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@monkenWu
monkenWu committed Feb 25, 2021
1 parent c8114e6 commit 701e9ad
Showing 1 changed file with 136 additions and 71 deletions.
207 changes: 136 additions & 71 deletions src/TablesIgniter.php
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Original file line number Diff line number Diff line change
@@ -1,196 +1,261 @@
<?php namespace monken;

/**
* TablesIgniter
*
* TablesIgniter 基於 CodeIgniter4 。它將可以幫助你在 使用 server side mode 中使用 jQuery Datatables。
* TablesIgniter based on CodeIgniter4. This library will help you use jQuery Datatables in server side mode.
* @package CodeIgniter4
* @subpackage libraries
* @category library
* @version 1.1.0
* @version 1.2.0
* @author monkenWu <610877102@mail.nknu.edu.tw>
* @link https://github.com/monkenWu/TablesIgniter
*
*
*/

use Closure;
use \CodeIgniter\Database\BaseBuilder;

class TablesIgniter{
class TablesIgniter
{

protected $builder;
protected $outputColumn;
protected $defaultOrder = [];
protected $searchLike = [];
protected $order = [];
protected $dataTables;

public function __construct(array $init = []){
if(!empty($init)){
if(isset($init["setTable"]))
public function __construct(array $init = [])
{
if (!empty($init)) {
if (isset($init["setTable"])) {
$this->setTable($init["setTable"]);
if(isset($init["setOutput"]))
}

if (isset($init["setOutput"])) {
$this->setOutput($init["setOutput"]);
if(isset($init["setDefaultOrder"])){
}

if (isset($init["setDefaultOrder"])) {
foreach ($init["setDefaultOrder"] as $value) {
$this->setDefaultOrder($value[0],$value[1]);
$this->setDefaultOrder($value[0], $value[1]);
}
}
if(isset($init["setSearch"]))
if (isset($init["setSearch"])) {
$this->setSearch($init["setSearch"]);
if(isset($init["setOrder"]))
}

if (isset($init["setOrder"])) {
$this->setOrder($init["setOrder"]);
}

}
$request = \Config\Services::request();
if ($request->getPost("draw")) {
$this->dataTables = $request->getPost();
} else if ($request->getGet("draw")) {
$this->dataTables = $request->getGet();
} else {
throw new \Exception("Must be requested by jQuery DataTables.", 1);
}
}

/**
* 設定欄位
* Pass the BaseBuilder object.
*
* @param \CodeIgniter\Database\BaseBuilder $builder
* @return \monken\TablesIgniter
*/
public function setTable($builder){
public function setTable(BaseBuilder $builder)
{
$this->builder = clone $builder;
return $this;
}

/**
* 設定參與搜索欄位
* Set the Database field to participate in the search.
*
* @param array $like An array of strings.
* @return \monken\TablesIgniter
*/
public function setSearch(array $like){
public function setSearch(array $like)
{
$this->searchLike = $like;
return $this;
}

/**
* 設定排序項目
* Set the gk4u field to participate in the order.Must be the same arrangement as the "setOutput" field.
*
* @param array $order An array of strings.
* @return \monken\TablesIgniter
*/
public function setOrder(array $order){
public function setOrder(array $order)
{
$this->order = $order;
return $this;
}

/**
* 設定預設排序項目
* Set the field to be sorted and the sorting method by default.
*
* @param string $item field name
* @param string $type sorting method
* @return \monken\TablesIgniter
*/
public function setDefaultOrder($item,$type="ASC"){
public function setDefaultOrder(string $item, string $type = "ASC")
{
$this->defaultOrder[] = array($item, $type);
return $this;
}

/**
* 設定實際輸出的序列
* Set the actual output sequence. A string array composed of field names.
*
* @param array $column An array of strings.
* @return \monken\TablesIgniter
*/
public function setOutput(array $column){
public function setOutput(array $column)
{
$this->outputColumn = $column;
return $this;
}

private function getBuilder(){
/**
* Get a clone of the builder object.
*
* @return \CodeIgniter\Database\BaseBuilder
*/
private function getBuilder()
{
return clone $this->builder;
}

/**
* 搜索總筆數
* Get the number of searches.
*
* @return int
*/
private function getFiltered(){
private function getFiltered()
{
$bui = $this->extraConfig($this->getBuilder());
$query = $bui->countAllResults();
return $query;
return $query;
}

/**
* 總筆數
* Get the total number of data.
*
* @return void
*/
private function getTotal(){
private function getTotal()
{
$bui = $this->getBuilder();
$query = $bui->countAllResults();
return $query;
$query = $bui->countAllResults();
return $query;
}

/**
* 執行查詢
* 在此停止ci->db類別紀錄規則
* @return array
* Execute query
*
* @return \CodeIgniter\Database\ResultInterface
*/
private function getQuery(){
private function getQuery()
{
$bui = $this->extraConfig($this->getBuilder());
if(isset($_POST["length"])){
if($_POST["length"] != -1) {
$bui->limit($_POST['length'], $_POST['start']);
if (isset($this->dataTables["length"])) {
if ($this->dataTables["length"] != -1) {
$bui->limit($this->dataTables['length'], $this->dataTables['start']);
}
}
//print_r($bui);
$query = $bui->get();
//print_r($this->getBuilder());
return $query;
}

/**
* 合成每列資料的內容。
* Synthesize the content of each row of data.
*
* @param array $row
* @return array
*/
private function getOutputData($row){
private function getOutputData($row)
{
$subArray = array();
foreach ($this->outputColumn as $colKey => $data) {
if(gettype($data) != "string"){
if (gettype($data) != "string") {
$subArray[] = $data($row);
}else{
} else {
$subArray[] = $row[$data];
}
}
return $subArray;
}

/**
* 查詢是否有排序或搜索的要求
* Determine whether other sorting or searching is needed.
*
* @param \CodeIgniter\Database\BaseBuilder $bui
* @return \CodeIgniter\Database\BaseBuilder
*/
private function extraConfig($bui){
if(!empty($_POST["search"]["value"])){
foreach ($this->searchLike as $key => $field) {
if($key == 0){
$bui->like($field,$_POST["search"]["value"]);
}else{
$bui->orLike($field,$_POST["search"]["value"]);
private function extraConfig($bui)
{
if (!empty($this->dataTables["search"]["value"])) {
$bui->groupStart();
foreach ($this->searchLike as $key => $field) {
if ($key == 0) {
$bui->like($field, $this->dataTables["search"]["value"]);
} else {
$bui->orLike($field, $this->dataTables["search"]["value"]);
}
}
$bui->groupEnd();
}
if(isset($_POST["order"])){
if(!empty($this->order)){
if($this->order[$_POST['order']['0']['column']] != null){
$bui->orderby($this->order[$_POST['order']['0']['column']], $_POST['order']['0']['dir']);
}else{
if(count($this->defaultOrder)!=0){
if (isset($this->dataTables["order"])) {
if (!empty($this->order)) {
if ($this->order[$this->dataTables['order']['0']['column']] != null) {
$bui->orderby($this->order[$this->dataTables['order']['0']['column']], $this->dataTables['order']['0']['dir']);
} else {
if (count($this->defaultOrder) != 0) {
foreach ($this->defaultOrder as $value) {
$bui->orderby($value[0], $value[1]);
$bui->orderby($value[0], $value[1]);
}
}
}
}else{
if(count($this->defaultOrder)!=0){
} else {
if (count($this->defaultOrder) != 0) {
foreach ($this->defaultOrder as $value) {
$bui->orderby($value[0], $value[1]);
$bui->orderby($value[0], $value[1]);
}
}
}
}else{
if(count($this->defaultOrder)!=0){
} else {
if (count($this->defaultOrder) != 0) {
foreach ($this->defaultOrder as $value) {
$bui->orderby($value[0], $value[1]);
$bui->orderby($value[0], $value[1]);
}
}
}
return $bui;
}

/**
* 取得完整的Datatable Json字串
* Get the complete Datatable Json string or data array.
*
* @param boolean $isJson return the json string.
* @return string|array
*/
public function getDatatable($isJson=true){
if($result = $this->getQuery()){
public function getDatatable($isJson = true)
{
if ($result = $this->getQuery()) {
$data = array();
foreach ($result->getResult('array') as $row){
foreach ($result->getResult('array') as $row) {
$data[] = $this->getOutputData($row);
}
$output = array(
"draw" => (int)$_POST["draw"] ?? -1,
"draw" => (int) $this->dataTables["draw"] ?? -1,
"recordsTotal" => $this->getTotal(),
"recordsFiltered" => $this->getFiltered(),
"data" => $data
"data" => $data,
);
return $isJson ? json_encode($output) : $output;
}
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