557 lines
18 KiB
PHP
Executable File
557 lines
18 KiB
PHP
Executable File
<?php
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namespace ORM;
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abstract class Entity {
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const _tableName = '';
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const _connectionName = 'default';
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const _softdelete = false;
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const _ignore = Array(
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'classname',
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'_properties',
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'_ignore',
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'_connectionName',
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'_timestamps',
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'_softdelete',
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'_tableName',
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'_idPolice'
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);
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const _properties = Array();
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/*
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* [type] = nextval| manual | empty is the default
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* [max] = maximum value allowed
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* [min] = minumul value allowed
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* [step] = increment by n each id
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*/
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const _idPolice = Array();
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function __construct() {
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if (isset($this->_timestamps) && $this->_timestamps) {
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$this->created_at = date('Y-m-d h:m:s');
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$this->updated_at = date('Y-m-d h:m:s');
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}
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}
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public function __set($property, $value) {
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if (in_array($property, static::_ignore)) {
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return;
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}
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$this->$property = $value;
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}
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public function __get($key){
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if(!isset($this->$key)){
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return 0;
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}
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return $this->toArray()[$key];
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}
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public function __toString() {
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if (isset($this->name)) {
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return $this->name;
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}
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if (isset($this->nome)) {
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return $this->nome;
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}
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return static::class;
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}
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public static function get_properties() {
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$properties = Array();
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foreach (static::_properties as $propertie) {
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$obj = new \stdClass();
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$obj->data = $propertie;
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$properties[] = $obj;
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}
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return json_encode($properties);
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}
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public function save() {
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if (isset($this->id)) {
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$this->update();
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} else {
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$this->create();
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}
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}
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private function update() {
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//First check if the record exist. If not, we might have a idPolice
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if (!DBInstance::queryOne("SELECT id FROM {" . static::_tableName . "} WHERE id = ?", Array($this->id))) {
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$this->create();
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return;
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}
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$updatekeys = static::_ignore;
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$updatekeys[] = 'id';
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$columns = array_diff(array_keys(get_object_vars($this)), $updatekeys);
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$obj = (array) $this;
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$update_string = '';
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$update_data = Array();
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$update_data['_update_id'] = $this->id;
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foreach ($columns as $column) {
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$update_string .= $column . " = :$column, ";
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$update_data[$column] = $obj[$column];
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}
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$update_string = rtrim($update_string, ', ');
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$sql = "UPDATE {" . static::_tableName . "} SET $update_string WHERE id = :_update_id";
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DBInstance::execute($sql, $update_data, static::_connectionName);
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}
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private function create() {
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//First, let's verify id polices
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//Manual and empty don't need special treatments
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if (!empty(static::_idPolice) && static::_idPolice['type'] != 'manual') {
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//Get the actual max value of the key
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$maxVal = DBInstance::queryOne("SELECT max(id) as id FROM {" . static::_tableName . "}");
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$maxVal = ($maxVal) ? $maxVal : 0;
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// If the next val is smaller than the minumum value
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if (isset(static::_idPolice['min']) && static::_idPolice['min'] > $maxVal->id+1) {
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// The id value shpuld assume the min value
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$this->id = static::_idPolice['min'];
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} else {
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// The id is bigger than the min or min is not set
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if (isset(static::_idPolice['step'])) {
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//If sted is defined, increment by step multiples
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$this->id = $maxVal->id + static::_idPolice['step'];
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} else {
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$this->id = $maxVal->id + 1;
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}
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}
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//If the id is bigger than the max value. There is problems
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if (isset(static::_idPolice['max']) && $maxVal->id > static::_idPolice['max']) {
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//Do not store the register
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return false;
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}
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}
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$columns = array_diff(array_keys(get_object_vars($this)), static::_ignore);
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$obj = (array) $this;
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$first_argument = '';
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$second_argument = '';
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$insert_data = Array();
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foreach ($columns as $column) {
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$first_argument .= $column . ', ';
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$insert_data[$column] = $obj[$column];
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$second_argument .= ":$column, ";
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}
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$first_argument = rtrim($first_argument, ', ');
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$second_argument = rtrim($second_argument, ', ');
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$sql = "INSERT INTO {" . static::_tableName . "} ($first_argument) VALUES ($second_argument)";
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DBInstance::execute($sql, $insert_data, static::_connectionName);
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// If there is a id pollice applied, do not get the inserted id
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if ( empty(static::_idPolice) ){
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$this->id = DBInstance::lastInsert();
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}
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}
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public function delete() {
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if (isset($this->_softdelete) && $this->_softdelete) {
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$this->deleted_at = date('Y-m-d h:m:s');
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$this->update();
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return;
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}
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$this->purge();
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}
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public function load($id = false) {
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if (!$id) {
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return;
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}
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$sql = "SELECT * FROM {" . static::_tableName . "} WHERE id = ?";
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$this->fill(DBInstance::queryPrepare($sql, Array($id), static::_connectionName)[0]);
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}
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public function purge() {
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$sql = "DELETE FROM {" . static::_tableName . "} WHERE id = :id";
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DBInstance::execute($sql, Array('id' => $this->id), static::_connectionName);
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}
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private function fill($data) {
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$data = (array) $data;
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foreach ($data as $key => $value) {
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$this->$key = $value;
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}
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}
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/**
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* Find All
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*
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* This method will load all instances from the class.
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* Limits are avaliable for paginations.
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*
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* @param Array $select Columns to select. Array('id', 'name')
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* @param Array $limits Array( 'offset'=> 10, 'limit' => 10 )
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* @param boolean $trashed Bring trashed elements?
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*/
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public static function findAll($select = Array('*'), $limits = Array(), $trashed = false) {
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$criteria = '';
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$limits_sql = '';
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foreach ($select as $value) {
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$criteria .= $value . ', ';
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}
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$criteria = rtrim($criteria, ', ');
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foreach ($limits as $key => $value) {
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$limits_sql .= "$key $value ";
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}
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if (static::_softdelete && !$trashed) {
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$sql = "SELECT $criteria FROM {" . static::_tableName . "} WHERE deleted_at is null $limits_sql";
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} else {
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$sql = "SELECT $criteria FROM {" . static::_tableName . "} $limits_sql";
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}
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$results = DBInstance::query($sql, Array(), static::_connectionName);
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$objects = Array();
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foreach ($results as $value) {
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$static = static::class;
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$object = new $static;
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$object->fill($value);
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$objects[] = $object;
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}
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return $objects;
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}
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/**
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* Count
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*
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* Count how many records there is on the database
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* in relation with this class with the parameters filter
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*
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*
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*
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* @param Array $criterias Criteras for WHERE Array('id' => Array('=', 10) )
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* @param boolean $trashed Bring trashed registers?
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*
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*/
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public static function count($criterias = Array(), $trashed = false) {
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$criteria_sql = "";
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$criteria_data = Array();
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foreach ($criterias as $key => $criteria) {
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if ($criteria_sql != "") {
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$criteria_sql .= " AND ";
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} else {
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$criteria_sql .= " WHERE ";
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}
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if (is_array($criteria[1])) {
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$crit_temp = '';
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foreach ($criteria[1] as $crit) {
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$crit_temp .= '?, ';
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$criteria_data[] = $crit;
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}
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$crit_temp = rtrim($crit_temp, ', ');
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$criteria_sql .= "$key $criteria[0] ($crit_temp)";
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} else {
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$criteria_sql .= "$key $criteria[0] (?) ";
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$criteria_data[] = $criteria[1];
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}
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}
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if (static::_softdelete && !$trashed) {
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$sql = "SELECT COUNT(*) FROM {" . static::_tableName . "} $criteria_sql AND deleted_at is null";
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} else {
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$sql = "SELECT COUNT(*) FROM {" . static::_tableName . "} $criteria_sql";
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}
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$results = DBInstance::queryOne($sql, $criteria_data, static::_connectionName);
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return $results->count;
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}
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/**
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* Find One
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*
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*
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* @param Array/Int $criterias Array('id' => Array('in', Array(10, 20, 30)))
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* @param Array $select Array(id, fullname)
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* @param Boolan $trashed true, false
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*/
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public static function findOne($criterias = Array(), $select = Array('*'), $trashed = false) {
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$select_sql = "";
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$criteria_sql = "";
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$limits_sql = "";
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$criteria_data = Array();
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$limits = Array("LIMIT" => 1);
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if (is_numeric($criterias)) {
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$criteria_sql = "WHERE id = ? ";
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$criteria_data[] = $criterias;
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} else {
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foreach ($criterias as $key => $criteria) {
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if ($criteria_sql != "") {
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$criteria_sql .= " AND ";
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} else {
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$criteria_sql .= " WHERE ";
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}
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if (is_array($criteria[1])) {
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$crit_temp = '';
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foreach ($criteria[1] as $crit) {
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$crit_temp .= '?, ';
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$criteria_data[] = $crit;
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}
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$crit_temp = rtrim($crit_temp, ', ');
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$criteria_sql .= "$key $criteria[0] ($crit_temp)";
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} else {
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$criteria_sql .= "$key $criteria[0] (?) ";
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$criteria_data[] = $criteria[1];
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}
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}
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}
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foreach ($select as $value) {
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$select_sql .= $value . ', ';
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}
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$select_sql = rtrim($select_sql, ', ');
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foreach ($limits as $key => $value) {
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$limits_sql .= "$key $value ";
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}
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if (static::_softdelete && !$trashed) {
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$sql = "SELECT $select_sql FROM {" . static::_tableName . "} $criteria_sql AND deleted_at is null $limits_sql";
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} else {
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$sql = "SELECT $select_sql FROM {" . static::_tableName . "} $criteria_sql $limits_sql";
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}
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$results = DBInstance::query($sql, $criteria_data, static::_connectionName);
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$objects = Array();
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foreach ($results as $value) {
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$class = static::class;
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$object = new $class;
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$object->fill($value);
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$objects[] = $object;
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}
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if (empty($objects)) {
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//return false; //new $this->classname;
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$className = static::class;
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return new $className;
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}
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return $objects[0];
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}
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/**
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* Find Many
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*
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* @param Array $criterias Description
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* @param Array $select Description
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* @param Array $limits Description
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* @param boolean $trashed Description
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*
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*/
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public static function findMany($criterias = Array(), $select = Array('*'), $limits = Array(), $trashed = false) {
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$select_sql = "";
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$criteria_sql = "";
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$limits_sql = "";
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foreach ($limits as $key => $value) {
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$limits_sql .= "$key $value ";
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}
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foreach ($criterias as $key => $criteria) {
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if ($criteria_sql != "") {
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$criteria_sql .= " AND ";
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} else {
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$criteria_sql .= " WHERE ";
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}
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if (is_string($criteria[1])) {
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$criteria_sql .= "$key $criteria[0] '$criteria[1]'";
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} else if (is_array($criteria[1])) {
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$criteria_sql .= "$key $criteria[0] (" . implode(', ', $criteria[1]) . ")";
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} else {
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$criteria_sql .= "$key $criteria[0] $criteria[1]";
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}
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}
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foreach ($select as $value) {
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$select_sql .= $value . ', ';
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}
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$select_sql = rtrim($select_sql, ', ');
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if (static::_softdelete && !$trashed) {
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$sql = "SELECT $select_sql FROM {" . static::_tableName . "} $criteria_sql AND deleted_at is null $limits_sql";
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} else {
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$sql = "SELECT $select_sql FROM {" . static::_tableName . "} $criteria_sql $limits_sql";
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}
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$results = DBInstance::query($sql, Array(), static::_connectionName);
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$objects = Array();
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foreach ($results as $value) {
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$class = static::class;
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$object = new $class;
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$object->fill($value);
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$objects[] = $object;
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}
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if (empty($objects)) {
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return Array();
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}
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return $objects;
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}
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/**
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* Has One Local
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*
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* Defines that, this object has a child an only one,
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* object in other class.
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*
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* Table user = (id, name)
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* Table phone = (id, number, userid)
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*
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* This relation will be created on the User class
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* making reference to the Phone class
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*
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* @param Object $foreign_object Class instance from the remote object
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* @param (int, string) $field_in_remote Field in local object matchin the remote id
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*
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* @return Object Instance of the remote class
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*
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*/
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protected function hasOne($foreign_object, $field_in_remote) {
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$obj = new $foreign_object;
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return $obj->findOne(Array($field_in_remote => Array('=', $this->id)));
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}
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/**
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* Has Many
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*
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* Defines that, this object has many instances of other Object
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*
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* Table Post = (id, name, content)
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* Table Comment = (id, name, content, postid)
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*
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* This relation will be created on the Post class
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* Making reference to the Comment class
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*
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* @param type $foreign_object Instance of a remote class
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* @param (int, string) $field_in_foreign The field to match the local id
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*
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*/
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protected function hasMany($foreign_object, $field_in_foreign) {
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$obj = new $foreign_object;
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return $obj->findMany(Array($field_in_foreign => Array('=', $this->id)));
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}
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/**
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* Belongs To
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*
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* Defines that, this object is part of an other class.
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* The local field must match the id of an other class.
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*
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* Table Post = (id, name, content)
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* Table Comment = (id, name, content, postid)
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*
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* This relation will be created on the comment class
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* Making reference to the post class
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*
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* @param Object $foreign_object Instance of a remote class
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* @param (int, String) $local_field Remote field relate to local Object
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* @param string $remote_field
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*/
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protected function belongsTo($foreign_object, $local_field, $remote_field = 'id') {
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$obj = new $foreign_object;
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return $obj->findOne(Array($remote_field => Array('=', $this->$local_field)));
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}
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/**
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* Belongs to Many
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*
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* Defines that this object is related to many other instances
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* of other classes throw a pivot table.
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*
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* Table Post = (id, name, content)
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* Table Tag = (id, name)
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* Table Post_Tag = (id, postid, tagid)
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*
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* This relation will be created in both classes
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*
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* @param Object $foreign_object Instance of the remote class
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* @param string $pivot_table Name of the pivot table
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* @param int $local_in_pivot Name of field on the pivot in relation of the local class
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* @param int $remote_in_pivot Name of field on the pivot in relation of the remote class
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* @param Array $remote_filter Filters to the remote Array('id', Array('>', 50) )
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* @param Array $remote_limit Array( 'offset'=> 10, 'limit' => 10 )
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*/
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protected function belongsToMany($foreign_object, $pivot_table, $local_in_pivot, $remote_in_pivot, $remote_filter = Array(), $remote_limit = Array()) {
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$obj = new $foreign_object;
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$limits_sql = '';
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foreach ($remote_limit as $key => $value) {
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$limits_sql .= "$key $value ";
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}
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$sql = "SELECT $remote_in_pivot FROM {$pivot_table} WHERE $local_in_pivot = $this->id $limits_sql";
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$relations = DBInstance::query($sql, Array(), static::_connectionName);
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$ids = Array();
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foreach ($relations as $relation) {
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$ids[] = $relation->$remote_in_pivot;
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}
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if (empty($ids)) {
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return Array();
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}
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return $obj->findMany(array_merge(Array('id' => Array('IN', $ids)), $remote_filter), Array('*'), $remote_limit);
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}
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/**
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* Belongs to Many Extended
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*
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* Defines that this object is related to many other instances
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* of other classes throw a pivot table.
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* This relation will bring the pivot table with the elements inside
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*
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* Table Post = (id, name, content)
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* Table Tag = (id, name)
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* Table Post_Tag = (id, postid, tagid)
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*
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* This relation will be created in both classes
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*
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* @param Object $foreign_object Instance of the remote class
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* @param string $pivot_table Name of the pivot table
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* @param int $local_in_pivot Name of field on the pivot in relation of the local class
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* @param int $remote_in_pivot Name of field on the pivot in relation of the remote class
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* @param Array $remote_filter Filters to the remote Array('id', Array('>', 50) )
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* @param Array $pivot_limits Array( 'offset'=> 10, 'limit' => 10 )
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*/
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protected function belongsToManyExtended($foreign_object, $pivot_table, $local_in_pivot, $remote_in_pivot, $remote_filter = Array(), $pivot_limits = Array()) {
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$obj = new $foreign_object;
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$limits_sql = '';
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foreach ($pivot_limits as $key => $value) {
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$limits_sql .= "$key $value ";
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}
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$sql = "SELECT * FROM $pivot_table WHERE $local_in_pivot = $this->id $limits_sql";
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$relations = DBInstance::query($sql, Array(), static::_connectionName);
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$objects = Array();
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if (empty($relations)) {
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return Array();
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}
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foreach ($relations as $relation) {
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$relation->child_element = $obj->findOne(array_merge(Array("id" => Array("=", $relation->$remote_in_pivot)), $remote_filter));
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$objects[] = $relation;
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}
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if (empty($objects)) {
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return Array();
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}
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return $objects;
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}
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}
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