83 lines
2.2 KiB
PHP
83 lines
2.2 KiB
PHP
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<?php
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namespace Application\Foundations;
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class QueryBuilder {
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private $query = "";
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private $where = "";
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public function select($fields) {
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if(!is_array($fields)) {
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$this->query .= "SELECT ".$fields;
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} else {
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$this->query .= "SELECT ".implode(",",SQLHelper::encode_list($fields));
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}
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return $this;
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}
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public function delete() {
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$this->query .= "DELETE";
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return $this;
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}
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public function update($table) {
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// TODO: SQL injection
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$this->query .= "UPDATE ".$table;
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return $this;
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}
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public function set($data) {
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$this->query .= " SET";
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$final = [];
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foreach($data as $key => $value) {
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$final[] = $key." = ".SQLHelper::encode_literal($value);
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}
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$this->query .= " ".implode(",",$final);
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return $this;
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}
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public function from($table) {
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// TODO: SQL injection
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$this->query .= " FROM ".$table;
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return $this;
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}
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public function where($a, $b, $c = null) {
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$field = "";
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$value = "";
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$operator = "=";
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if($c == null) {
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// 2 param syntax
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$field = $a;
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$value = $b;
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} else {
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$field = $a;
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$value = $c;
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$operator = $b;
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}
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$value = SQLHelper::encode_literal($value);
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if($this->where == "") {
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$this->where .= " WHERE ".$field." ".$operator." ".$value;
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} else {
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$this->where .= " AND ".$field." ".$operator." ".$value;
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}
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return $this;
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}
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public function orWhere($a, $b, $c = null) {
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$field = "";
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$value = "";
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$operator = "=";
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if($c == null) {
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// 2 param syntax
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$field = $a;
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$value = $b;
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} else {
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$field = $a;
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$value = $c;
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$operator = $b;
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}
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if($this->where == "") {
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$this->where .= " WHERE ".$field." ".$operator." ".$value;
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} else {
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$this->where .= " OR ".$field." ".$operator." ".$value;
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}
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return $this;
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}
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public function build() {
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return $this->query.$this->where;
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}
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}
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