Files
models/common/Factory/Model.php
2020-08-03 22:07:12 -04:00

367 lines
8.9 KiB
PHP

<?php
namespace ProVM\Common\Factory;
use ORM;
use Model as BaseModel;
use ProVM\Common\Alias\Model as ModelInterface;
class Model {
public function reset(): Model {
$reset = [
'class',
'columns',
'joins',
'conditions',
'grouping',
'ordering',
'limit',
'offset'
];
foreach ($reset as $p) {
$this->{$p} = null;
}
return $this;
}
protected $class;
public function find(string $model_class): Model {
if (!class_exists($model_class)) {
throw new \InvalidArgumentException('El modelo ' . $model_class . ' no existe.');
}
$this->reset();
$this->class = $model_class;
return $this;
}
protected $columns;
public function select($columns): Model {
if ($this->columns === null) {
$this->columns = [];
}
if (!is_array($columns)) {
$columns = [$columns];
}
foreach ($columns as $c) {
$col = (object) [
'table' => '',
'column' => $c
];
if (is_array($c)) {
$col = (object) [
'table' => $c['table'] ?? $c[0],
'column' => $c['column'] ?? $c[1]
];
}
$this->columns []= $col;
}
return $this;
}
protected $joins;
public function join(array $joins): Model {
if ($this->joins === null) {
$this->joins = [];
}
foreach ($joins as $j) {
$join = (object) [
'table' => $j['table'] ?? $j[0],
'from' => $j['from'] ?? $j[1],
'to' => $j['to'] ?? $j[2],
'sym' => $j['sym'] ?? ($j[3] ?? '='),
'alias' => $j['alias'] ?? '',
'type' => strtolower($j['type']) ?? '',
'params' => $j['params'] ?? ''
];
$this->joins []= $join;
}
return $this;
}
protected $conditions;
public function where(array $conditions): Model {
if ($this->conditions === null) {
$this->conditions = [];
}
foreach ($conditions as $c) {
$cond = (object) [
'column' => $c['column'] ?? $c[0],
'value' => $c['value'] ?? $c[1],
'sym' => strtolower($c['sym'] ?? ($c[2] ?? '=')),
'type' => strtolower($c['type']) ?? ''
];
$this->conditions []= $cond;
}
return $this;
}
protected $grouping;
public function group($groups): Model {
if ($this->grouping === null) {
$this->grouping = [];
}
if (!is_array($groups)) {
$groups = [$groups];
}
foreach ($groups as $g) {
$this->grouping []= $g;
}
return $this;
}
protected $ordering;
public function order($orders): Model {
if ($this->ordering === null) {
$this->ordering = [];
}
if (!is_array($orders)) {
$orders = [$orders];
}
foreach ($orders as $o) {
$order = (object) [
'column' => $o,
'direction' => 'asc'
];
if (is_array($o)) {
$order = (object) [
'column' => $o['column'] ?? $o[0],
'direction' => strtolower($o['direction']) ?? $o[1]
];
}
$this->ordering []= $order;
}
return $this;
}
protected $limit;
public function limit(int $limit): Model {
$this->limit = $limit;
}
protected $offset;
public function offset(int $offset): Model {
$this->offset = $offset;
}
protected function parseSelect(ORM $orm): ORM {
if ($this->columns === null) {
return $orm;
}
foreach ($this->columns as $col) {
$orm = $orm->select(trim(implode('.', $col), '.'));
}
return $orm;
}
protected function parseJoin(ORM $orm): ORM {
if ($this->joins === null) {
return $orm;
}
foreach ($this->joins as $join) {
$method = 'join';
switch ($join->type) {
case 'raw':
$method = 'rawJoin';
break;
case 'inner':
$method = 'innerJoin';
break;
case 'left':
case 'left outer':
case 'left_outer':
case 'leftouter':
$method = 'leftOuterJoin';
break;
case 'right':
case 'right outer':
case 'right_outer':
case 'rightouter':
$method = 'rightOuterJoin';
break;
case 'full':
case 'full outer':
case 'full_outer':
case 'fullouter':
$method = 'fullOuterJoin';
break;
}
if ($join->type == 'raw') {
$orm = $orm->{$method}($join->table, [$join->from, $join->symb, $join->to], $join->alias, $join->params);
} elseif ($join->alias === '') {
$orm = $orm->{$method}($join->table, [$join->from, $join->symb, $join->to], $join->alias);
} else {
$orm = $orm->{$method}($join->table, [$join->from, $join->symb, $join->to]);
}
}
return $orm;
}
protected function parseWhere(ORM $orm): ORM {
if ($this->conditions === null) {
return $orm;
}
foreach ($this->conditions as $cond) {
$method = 'where';
switch ($cond->sym) {
case '<':
$method = 'whereLt';
break;
case '<=':
$method = 'whereLte';
break;
case '>':
$method = 'whereGt';
break;
case '>=':
$method = 'whereGte';
break;
case '!=':
$method = 'whereNotEqual';
break;
case 'like':
$method = 'whereLike';
break;
case 'not like':
case 'not_like':
case 'notlike':
$method = 'whereNotLike';
break;
}
switch ($cond->type) {
case 'equal':
$method = 'whereEqual';
break;
case 'not equal':
case 'not_equal':
case 'notequal':
$method = 'whereNotEqual';
break;
case 'less':
case 'less than':
case 'less_than':
case 'lessthan':
case 'lt':
$method = 'whereLt';
break;
case 'less equal':
case 'less_equal':
case 'lessequal':
case 'less than equal':
case 'less_than_equal':
case 'lessthanequal':
case 'lte':
$method = 'whereLte';
break;
case 'greater':
case 'greater than':
case 'greater_than':
case 'greaterthan':
case 'gt':
$method = 'whereGt';
break;
case 'greater equal':
case 'greater_equal':
case 'greaterequal':
case 'greater than equal':
case 'greater_than_equal':
case 'greaterthanequal':
case 'gte':
$method = 'whereGte';
break;
case 'like':
$method = 'whereLike';
break;
case 'not like':
case 'not_like':
case 'notlike':
$method = 'whereNotLike';
break;
case 'in':
$method = 'whereIn';
break;
case 'not in':
case 'not_in':
case 'notin':
$method = 'whereNotIn';
break;
case 'raw':
$method = 'rawWhere';
break;
}
$orm = $orm->{$method}($cond->column, $cond->value);
}
return $orm;
}
protected function parseGroup(ORM $orm): ORM {
if ($this->grouping === null) {
return $orm;
}
foreach ($this->grouping as $group) {
if (strpos($group, '(') !== false) {
$orm = $orm->groupByExpr($group);
} else {
$orm = $orm->groupBy($group);
}
}
return $orm;
}
protected function parseOrder(ORM $orm): ORM {
if ($this->ordering === null) {
return $orm;
}
foreach ($this->ordering as $order) {
if (strpos($order->column, '(') !== false) {
$orm = $orm->orderByExpr($order->column);
continue;
}
switch ($order->direction) {
case 'asc':
case 'ascending':
$orm = $orm->orderByAsc($order->column);
break;
case 'desc':
case 'descending':
$orm = $orm->orderByDesc($order->column);
break;
}
}
return $orm;
}
protected function parseLimit(ORM $orm): ORM {
if ($this->limit === null) {
return $orm;
}
return $orm->limit($this->limit);
}
protected function parseOffset(ORM $orm): ORM {
if ($this->offset === null) {
return $orm;
}
return $orm->offset($this->offset);
}
public function one(): ModelInterface {
$result = $this->build()->findOne();
$result->setFactory($this);
return $result;
}
public function many(): array {
$results = $this->build()->findMany();
foreach ($results as &$r) {
$r->setFactory($this);
}
return $results;
}
public function array(): array {
$results = $this->build()->findArray();
return $results;
}
protected function build(): ORM {
$orm = BaseModel::factory($this->class);
$methods = [
'select',
'join',
'where',
'group',
'order',
'limit',
'offset'
];
foreach ($methods as $m) {
$method = 'parse' . ucfirst($m);
$orm = $this->{$method}($orm);
}
return $orm;
}
}