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Update SearchController.php
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@peterujah
peterujah authored Sep 23, 2022
1 parent e57e979 commit 3546ba9
Showing 1 changed file with 94 additions and 106 deletions.
200 changes: 94 additions & 106 deletions src/SearchController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,8 @@
*/
class SearchController{
/**
* @var string SQL patterns
*/
* @var string SQL patterns
*/
public const START_WITH_QUERY = "query%";
public const END_WITH_QUERY = "%query";
public const HAVE_ANY_QUERY = "%query%";
Expand All @@ -22,62 +22,59 @@ class SearchController{
public const START_END_WITH_QUERY = "query%query";

/**
* @var string SearchController algorithms
*/
* @var string SearchController algorithms
*/
public const OR = "OR";
public const AND = "AND";
public const NAND = "NAND";
public const NOR = "NOR";

/**
* @var string SQL search keywords
*/
* @var string SQL search keywords
*/
public const LIKE = "LIKE";
public const NOT_LIKE = "NOT LIKE";

/**
* @var string SQL Query
*/
* @var string SQL Query
*/
private $QueryCondition = "";

/**
* @var string Search query algorithm that needs to be used
*/
* @var string Search query algorithm that needs to be used
*/
private $searchAlgorithm;

/**
* @var string Search request query value
*/
* @var string Search request query value
*/
private $searchQuery = null;

/**
* @var array MYSQL database table rows to search from
*/
* @var array MYSQL database table rows to search from
*/
private $paramArray = array();

/**
* @var string MYSQL database table row for tag value
*/
* @var string MYSQL database table row for tag value
*/
private $paramTags;

/**
* @var string SQL LIKE query operator to be use
*/
* @var string SQL LIKE query operator to be use
*/
private $operators;

/**
* @var string SQL query prefix
*/
* @var string SQL query prefix
*/
private $queryStart;

/**
* @var string SQL query suffix
*/
* @var string SQL query suffix
*/
private $queryEnd;

/**
* Constructor
*/
public function __construct($algorithm = self::OR) {
$this->searchAlgorithm = $algorithm;
$this->operators = self::END_WITH_QUERY;
Expand All @@ -86,67 +83,78 @@ public function __construct($algorithm = self::OR) {
}

/**
* Set database search table columns.
*
* @param array $param columns
*/
* Set database search table columns.
*
* @param array $param columns
*/
public function setParameter($param=array()){
$this->paramArray = $param;
return $this;
}

/**
* Set initial SQL queries.
* @param string $query query
*/
* Set initial SQL queries.
*
* @param string $query query
*/
public function setSQLQuery($query){
$this->QueryCondition = $query;
}

/**
* Set database search operator pattern.
* @param string $operator name
*/
public function setOperators($operator){
$this->operators = $operator;
* Set database search operator pattern.
*
* @param string $pattern name
*/
public function setOperators($pattern){
$this->operators = $pattern;
return $this;
}

/**
* Set database tag table column name.
* @param string $column name
*/
* Set database tag table column name.
*
* @param string $column name
*/
public function setTags($column){
$this->paramTags = $column;
return $this;
}

/**
* Set search query value.
* @param string $query query value
* @return object|SearchController
*/
* Set search query value.
*
* @param string $query query value
* @return object|SearchController
*/
public function setQuery($query){
$this->searchQuery = htmlspecialchars($query, ENT_QUOTES, "UTF-8");
return $this;
}

/**
* Set query prefix string.
* @param string $str query prefix
*/
* Set query prefix string.
*
* @param string $str query prefix
*/
public function setStart($str){
$this->queryStart = $str;
return $this;
}

/**
* Set query suffix string.
* @param string $str query suffix
*/
* Set query suffix string.
*
* @param string $str query suffix
*/
public function setEnd($str){
$this->queryEnd = $str;
return $this;
}

/**
* Split search query value by space.
*/
* Split search query value by space.
*/
public function split(){
if(strpos($this->searchQuery, " ") !== false) {
$this->searchQuery = explode(" ", $this->searchQuery);
Expand All @@ -156,10 +164,11 @@ public function split(){
}

/**
* Create SQL query from the specified pattern.
* @param string $value query value
* @return string query
*/
* Create SQL query from the specified pattern.
*
* @param string $value query value
* @return string query
*/

private function format($value) {
$queryString = "";
Expand All @@ -170,26 +179,19 @@ private function format($value) {
return $queryString;
}

/**
* Builds SQL search query.
* @return string query
*/
private function buildQuery(){
return rtrim($this->format($this->searchQuery) , " {$this->queryEnd} ");
}

/**
* Builds SQL search query array.
* @return array queries
*/
private function buildArrayQuery($i = 0){
return rtrim($this->format($this->searchQuery[$i]) , " {$this->queryEnd} ");;
}

/**
* Determine which search method to use while creating query.
* @return string SQL query
*/
* Determine which search method to use while creating query.
*
* @return string SQL query
*/
private function buildSQL(){
$sql = "";
if(!empty($this->paramTags)){
Expand Down Expand Up @@ -218,71 +220,57 @@ private function buildSQL(){
}

/**
* Gernerates the search query.
* @param string $checkOpt the search query start operator
* @return string SQL query
*/
public function generateQuery($checkOpt = "AUTO"){
* Execute search query.
*
* @return string SQL query
*/
public function getQuery(){
if (!empty($this->searchQuery)){
if (!empty($this->searchQuery)){
if($checkOpt != "AUTO" && empty($this->QueryCondition)){
$this->QueryCondition .= " {$checkOpt} (";
}else{
$this->QueryCondition .= (!empty($this->QueryCondition) ? " AND (" : " WHERE (");
}
if (!empty($this->QueryCondition)){
$this->QueryCondition .= " AND (";
}else {
$this->QueryCondition .= " WHERE (";
}

switch ($this->searchAlgorithm){

case self::OR:
$this->setStart(self::LIKE);
$this->setEnd(self::OR);
$this->QueryCondition .= $this->buildSQL();
$this->QueryCondition .= " )";
break;

case self::AND:
$this->setStart(self::LIKE);
$this->setEnd(self::AND);
$this->QueryCondition .= $this->buildSQL();
$this->QueryCondition .= " )";
break;

case self::NAND:
$this->setStart(self::NOT_LIKE);
$this->setEnd(self::AND);
$this->QueryCondition .= $this->buildSQL();
$this->QueryCondition .= " )";
break;

case self::NOR:
$this->setStart(self::NOT_LIKE);
$this->setEnd(self::OR);
$this->QueryCondition .= $this->buildSQL();
$this->QueryCondition .= " )";
break;
default:
$this->setStart(self::LIKE);
$this->setEnd(self::OR);
$this->QueryCondition .= $this->buildSQL();
$this->QueryCondition .= " )";
break;
}
$this->QueryCondition .= $this->buildSQL();
$this->QueryCondition .= " )";
}
}
return $this->QueryCondition;
}

/**
* Gets sql search query by apending AND clause.
* @return string SQL query
*/
public function getAndQuery(){
return $this->generateQuery("AND");
}

/**
* Gets sql search query by apending WHERE clause.
* @return string SQL query
*/
public function getWhereQuery(){
return $this->generateQuery("WHERE");
}

/**
* Gets sql search query by automatically detecting and apending start clause.
* @return string SQL query
*/
public function getQuery(){
return $this->generateQuery();
}
}

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