ok
Mini Shell
<?php
namespace Nwidart\Modules\Support\Migrations;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
class SchemaParser implements Arrayable
{
/**
* The array of custom attributes.
*
* @var array
*/
protected $customAttributes = [
'remember_token' => 'rememberToken()',
'soft_delete' => 'softDeletes()',
];
/**
* The migration schema.
*
* @var string
*/
protected $schema;
/**
* The relationship keys.
*
* @var array
*/
protected $relationshipKeys = [
'belongsTo',
];
/**
* Create new instance.
*
* @param string|null $schema
*/
public function __construct($schema = null)
{
$this->schema = $schema;
}
/**
* Parse a string to array of formatted schema.
*
* @param string $schema
*
* @return array
*/
public function parse($schema)
{
$this->schema = $schema;
$parsed = [];
foreach ($this->getSchemas() as $schemaArray) {
$column = $this->getColumn($schemaArray);
$attributes = $this->getAttributes($column, $schemaArray);
$parsed[$column] = $attributes;
}
return $parsed;
}
/**
* Get array of schema.
*
* @return array
*/
public function getSchemas()
{
if (is_null($this->schema)) {
return [];
}
return explode(',', str_replace(' ', '', $this->schema));
}
/**
* Convert string migration to array.
*
* @return array
*/
public function toArray()
{
return $this->parse($this->schema);
}
/**
* Render the migration to formatted script.
*
* @return string
*/
public function render()
{
$results = '';
foreach ($this->toArray() as $column => $attributes) {
$results .= $this->createField($column, $attributes);
}
return $results;
}
/**
* Render up migration fields.
*
* @return string
*/
public function up()
{
return $this->render();
}
/**
* Render down migration fields.
*
* @return string
*/
public function down()
{
$results = '';
foreach ($this->toArray() as $column => $attributes) {
$attributes = [head($attributes)];
$results .= $this->createField($column, $attributes, 'remove');
}
return $results;
}
/**
* Create field.
*
* @param string $column
* @param array $attributes
* @param string $type
*
* @return string
*/
public function createField($column, $attributes, $type = 'add')
{
$results = "\t\t\t" . '$table';
foreach ($attributes as $key => $field) {
if (in_array($column, $this->relationshipKeys)) {
$results .= $this->addRelationColumn($key, $field, $column);
} else {
$results .= $this->{"{$type}Column"}($key, $field, $column);
}
}
return $results . ';' . PHP_EOL;
}
/**
* Add relation column.
*
* @param int $key
* @param string $field
* @param string $column
*
* @return string
*/
protected function addRelationColumn($key, $field, $column)
{
if ($key === 0) {
$relatedColumn = Str::snake(class_basename($field)) . '_id';
return "->integer('{$relatedColumn}')->unsigned();" . PHP_EOL . "\t\t\t" . "\$table->foreign('{$relatedColumn}')";
}
if ($key === 1) {
return "->references('{$field}')";
}
if ($key === 2) {
return "->on('{$field}')";
}
if (Str::contains($field, '(')) {
return '->' . $field;
}
return '->' . $field . '()';
}
/**
* Format field to script.
*
* @param int $key
* @param string $field
* @param string $column
*
* @return string
*/
protected function addColumn($key, $field, $column)
{
if ($this->hasCustomAttribute($column)) {
return '->' . $field;
}
if ($key == 0) {
return '->' . $field . "('" . $column . "')";
}
if (Str::contains($field, '(')) {
return '->' . $field;
}
return '->' . $field . '()';
}
/**
* Format field to script.
*
* @param int $key
* @param string $field
* @param string $column
*
* @return string
*/
protected function removeColumn($key, $field, $column)
{
if ($this->hasCustomAttribute($column)) {
return '->' . $field;
}
return '->dropColumn(' . "'" . $column . "')";
}
/**
* Get column name from schema.
*
* @param string $schema
*
* @return string
*/
public function getColumn($schema)
{
return Arr::get(explode(':', $schema), 0);
}
/**
* Get column attributes.
*
* @param string $column
* @param string $schema
*
* @return array
*/
public function getAttributes($column, $schema)
{
$fields = str_replace($column . ':', '', $schema);
return $this->hasCustomAttribute($column) ? $this->getCustomAttribute($column) : explode(':', $fields);
}
/**
* Determine whether the given column is exist in customAttributes array.
*
* @param string $column
*
* @return bool
*/
public function hasCustomAttribute($column)
{
return array_key_exists($column, $this->customAttributes);
}
/**
* Get custom attributes value.
*
* @param string $column
*
* @return array
*/
public function getCustomAttribute($column)
{
return (array) $this->customAttributes[$column];
}
}
Zerion Mini Shell 1.0