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Model.php
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1100 lines (957 loc) · 26.9 KB
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<?php
namespace Phaseolies\Database\Entity;
use Stringable;
use Phaseolies\Support\Collection;
use Phaseolies\Database\Entity\Query\InteractsWithModelQueryProcessing;
use Phaseolies\Database\Entity\Hooks\HookHandler;
use Phaseolies\Database\Temporal\InteractsWithTemporal;
use Phaseolies\Database\Database;
use Phaseolies\Database\Contracts\Support\Jsonable;
use PDO;
use JsonSerializable;
use ArrayAccess;
use Phaseolies\Database\Entity\Attributes\Hook;
abstract class Model implements ArrayAccess, JsonSerializable, Stringable, Jsonable
{
use InteractsWithModelQueryProcessing;
use InteractsWithTemporal;
/**
* The name of the database table associated with the model.
*
* @var string
*/
protected $table;
/**
* The primary key for the model. Defaults to 'id'.
*
* @var string
*/
protected $primaryKey = 'id';
/**
* The model's attributes (key-value pairs).
*
* @var array
*/
protected $attributes = [];
/**
* Attributes that are allowed to be mass-assigned.
*
* @var array
*/
protected $creatable = [];
/**
* Attributes that should not be exposed when serializing the model.
*
* @var array
*/
protected $unexposable = [];
/**
* The number of items to show per page for pagination.
*
* @var int
*/
protected $pageSize = 15;
/**
* Indicates whether the model should maintain timestamps
*
* @var bool
*/
protected $timeStamps = true;
/**
* Holds the loaded relationships
*
* @var array
*/
protected $relations = [];
/**
* The last relation type that was set
*
* @var string
*/
protected $lastRelationType;
/**
* The last related model that was set
*
* @var string
*/
protected $lastRelatedModel;
/**
* The last foreign key that was set
*
* @var string
*/
protected $lastForeignKey;
/**
* The last local key that was set
*
* @var string
*/
protected $lastLocalKey;
/**
* The last related key that was set (for many-to-many)
*
* @var string
*/
protected $lastRelatedKey;
/**
* The last pivot table that was set (for many-to-many)
*
* @var string
*/
protected $lastPivotTable;
/**
* Array of registered hooks for the model
*
* @var array
*/
protected $hooks = [];
/**
* Stores the original attribute values before any modifications
*
* @var array
*/
protected $originalAttributes = [];
/**
* The database connection name for the model.
*
* @var string|null
*/
protected $connection = null;
/**
* Cache of scanned #[Hook] attribute metadata, keyed by class name
*
* @var array<string, list<array{event: string, method: string, when: string|null}>>
*/
private static array $hookAttributeCache = [];
/**
* Model constructor.
*
* @param array $attributes Initial attributes to populate the model.
*/
public function __construct(array $attributes = [])
{
static $bootInit = [];
static $bootComplete = [];
$class = static::class;
if (!isset($bootInit[$class])) {
$this->registerHooks();
HookHandler::execute('booting', $this);
$bootInit[$class] = true;
}
$this->fill($attributes);
$this->originalAttributes = $this->attributes;
if (!isset($this->table)) {
$this->table = $this->getTable();
}
if (!isset($bootComplete[$class])) {
HookHandler::execute('booted', $this);
$bootComplete[$class] = true;
}
}
/**
* Register hooks defined in the model
*
* @return void
*/
protected function registerHooks(): void
{
if (!empty($this->hooks)) {
HookHandler::register(static::class, $this->hooks);
}
$this->registerAttributeHooks();
$this->registerTemporalHooks();
}
/**
* Register hooks defined in the model
*
* @return void
*/
private function registerAttributeHooks(): void
{
$class = static::class;
if (!array_key_exists($class, self::$hookAttributeCache)) {
self::$hookAttributeCache[$class] = self::scanHookAttributes($class);
}
if (empty(self::$hookAttributeCache[$class])) {
return;
}
foreach (self::$hookAttributeCache[$class] as $entry) {
$methodName = $entry['method'];
$whenValue = $entry['when'];
$condition = $whenValue === null
? true
: static function (Model $model) use ($whenValue): bool {
if (!method_exists($model, $whenValue)) {
throw new \RuntimeException(
"Hook condition method '{$whenValue}' does not exist on "
. get_class($model)
);
}
$result = $model->$whenValue();
if (!is_bool($result)) {
throw new \RuntimeException(
"Hook condition method '{$whenValue}' must return bool, got "
. gettype($result)
);
}
return $result;
};
$handler = static function (Model $model) use ($methodName): void {
$model->$methodName();
};
HookHandler::register($class, [
$entry['event'] => [
'handler' => $handler,
'when' => $condition,
],
]);
}
}
/**
* Run reflection ONCE and return plain scalar metadata for all
* #[Hook]-annotated methods on the given class.
*
* @param string $class
* @return list<array{event: string, method: string, when: string|null}>
*/
private static function scanHookAttributes(string $class): array
{
$found = [];
$reflection = new \ReflectionClass($class);
foreach (
$reflection->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED)
as $method
) {
$hookAttributes = $method->getAttributes(Hook::class);
if (empty($hookAttributes)) {
continue;
}
foreach ($hookAttributes as $hookAttribute) {
$hook = $hookAttribute->newInstance();
$found[] = [
'event' => $hook->event,
'method' => $method->getName(),
'when' => $hook->when,
];
}
}
return $found;
}
/**
* Reset the cache of scanned #[Hook] attribute metadata
*
* @param string|null $class
*/
public static function resetAttributeHookCache(?string $class = null): void
{
if ($class !== null) {
unset(self::$hookAttributeCache[$class]);
} else {
self::$hookAttributeCache = [];
}
}
/**
* Execute before hooks
*
* @param string $event
* @return bool
*/
protected function fireBeforeHooks(string $event): bool
{
HookHandler::execute('before_' . $event, $this);
return true;
}
/**
* Execute after hooks
*
* @param string $event
* @return void
*/
protected function fireAfterHooks(string $event): void
{
HookHandler::execute('after_' . $event, $this);
}
/**
* Sets the original attribute values for the model
*
* @param array $attributes
* @return void
*/
public function setOriginalAttributes(array $attributes): void
{
$this->originalAttributes = $attributes;
}
/**
* Gets all original attribute values
*
* @return array
*/
public function getOriginalAttributes(): array
{
return $this->originalAttributes;
}
/**
* Gets a single original attribute value
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function getOriginal(string $key, $default = null)
{
return $this->originalAttributes[$key] ?? $default;
}
/**
* Get all model attributes
*
* @return array
*/
public function getAttributes(): array
{
return $this->attributes;
}
/**
* Get the route key name
*
* @return string
*/
public function getRouteKeyName(): string
{
return $this->primaryKey;
}
/**
* Get the model primary key
*
* @return string
*/
public function getPrimaryKey(): string
{
return $this->primaryKey;
}
/**
* Check the attribute is dirty or not
*
* @param string $key
* @return bool
*/
public function isDirtyAttr(string $key): bool
{
return array_key_exists($key, $this->getDirtyAttributes());
}
/**
* Dynamically sets the table name for the model.
*
* @param string $table
* @return void
*/
public function setTable(string $table)
{
$this->table = $table;
}
/**
* Infers the table name from the class name.
*
* @return string
*/
public function getTable()
{
if (isset($this->table)) {
return strtolower($this->table);
};
$className = get_class($this);
$className = substr($className, strrpos($className, '\\') + 1);
return strtolower($className);
}
/**
* Get the database connection for the model.
*
* @return PDO
*/
public function getConnection(): PDO
{
return Database::getPdoInstance($this->connection);
}
/**
* Begin querying the model on a given connection.
*
* @param string|null $connection
* @return Builder
*/
public static function connection(?string $connection = null): Builder
{
$instance = new static();
$instance->connection = $connection;
return $instance->newQuery();
}
/**
* Get a new query builder for the model's table.
*
* @return Builder
*/
public function newQuery(): Builder
{
return new Builder(
pdo: $this->getConnection(),
table: $this->getTable(),
modelClass: static::class,
rowPerPage: $this->pageSize
);
}
/**
* Mass-assign attributes to the model.
*
* @param array $attributes
* @return void
*/
public function fill(array $attributes): void
{
foreach ($attributes as $key => $value) {
$this->setAttribute($key, $value);
}
}
/**
* Set a single attribute value on the model.
*
* @param string $key
* @param mixed $value
* @return void
*/
public function setAttribute($key, $value): void
{
$value = $this->sanitize($value);
// Always track original value, when first setting
if (!array_key_exists($key, $this->originalAttributes)) {
$this->originalAttributes[$key] = $this->attributes[$key] ?? null;
}
$this->attributes[$key] = $value;
}
/**
* The sanitize method should be used for data normalization
* Override this method to implement custom normalization logic.
*
* @param mixed $value
* @return mixed
*/
protected function sanitize($value)
{
if (is_string($value)) {
$value = trim($value);
}
return $value;
}
/**
* Magic setter for assigning values to model attributes.
*
* @param string $name
* @param mixed $value
*/
public function __set($name, $value)
{
$this->setAttribute($name, $this->sanitize($value));
}
/**
* Get the primary key for the model.
*
* @return string
*/
public function getKeyName(): string
{
return $this->primaryKey;
}
/**
* Get the value of the model's primary key.
*
* @return string|null
*/
public function getKey(): ?string
{
return $this->{$this->getKeyName()};
}
/**
* Returns an array of attributes that are not marked as unexposable.
*
* @return array
*/
public function makeVisible(): array
{
$visibleAttributes = [];
foreach ($this->attributes as $key => $value) {
if (!in_array($key, $this->unexposable)) {
$visibleAttributes[$key] = $value;
}
}
return $visibleAttributes;
}
/**
* Get the data except unexposed attributes
*
* @param array $attributes
* @return self
*/
public function makeHidden(array $attributes): self
{
$this->unexposable = array_merge($this->unexposable, $attributes);
return $this;
}
/**
* Serializes the model to an array for JSON representation.
*
* @return array
*/
public function jsonSerialize(): array
{
return $this->toArray();
}
/**
* Converts the model to a JSON string.
*
* @return string
*/
public function __toString(): string
{
return $this->toJson();
}
/**
* Checks if an attribute exists
*
* @param mixed $offset
* @return bool
*/
public function offsetExists($offset): bool
{
return isset($this->attributes[$offset]);
}
/**
* Retrieves an attribute value
*
* @param mixed $offset
* @return mixed
*/
public function offsetGet($offset): mixed
{
return $this->attributes[$offset] ?? null;
}
/**
* Sets an attribute value
*
* @param mixed $offset
* @param mixed $value
*/
public function offsetSet($offset, $value): void
{
$this->setAttribute($offset, $value);
}
/**
* Unsets an attribute
*
* @param mixed $offset
*/
public function offsetUnset($offset): void
{
unset($this->attributes[$offset]);
}
/**
* Delete the model from the database.
*
* @return bool
*/
public function delete(): bool
{
if (!isset($this->attributes[$this->primaryKey])) {
return false;
}
try {
if (self::$isHookShouldBeCalled && $this->fireBeforeHooks('deleted') === false) {
return false;
}
$result = static::query()
->where($this->primaryKey, $this->attributes[$this->primaryKey])
->delete();
if ($result && self::$isHookShouldBeCalled) {
$this->fireAfterHooks('deleted');
}
return $result;
} finally {
self::$isHookShouldBeCalled = true;
}
}
/**
* Get the last related key
*
* @return string
*/
public function getLastRelatedKey(): ?string
{
return $this->lastRelatedKey;
}
/**
* Get the last pivot table
*
* @return string
*/
public function getLastPivotTable(): ?string
{
return $this->lastPivotTable;
}
/**
* Define a one-to-one relationship
*
* @param string $related
* @param string $foreignKey
* @param string $localKey
* @return \Phaseolies\Database\Entity\Builder
*/
public function linkOne(string $related, string $foreignKey, string $localKey)
{
$this->lastRelationType = 'linkOne';
$this->lastRelatedModel = $related;
$this->lastForeignKey = $foreignKey;
$this->lastLocalKey = $localKey;
$relatedInstance = app($related);
return $relatedInstance->query()->where($foreignKey, '=', $this->$localKey);
}
/**
* Define a one-to-one relationship
*
* @param string $related
* @param string $foreignKey
* @param string $localKey
* @return \Phaseolies\Database\Entity\Builder
*/
public function bindTo(string $related, string $foreignKey, string $localKey)
{
$this->lastRelationType = 'bindTo';
$this->lastRelatedModel = $related;
$this->lastForeignKey = $foreignKey;
$this->lastLocalKey = $localKey;
$relatedInstance = app($related);
return $relatedInstance->query()->where($foreignKey, '=', $this->$localKey);
}
/**
* Define a one-to-many relationship
*
* @param string $related
* @param string $foreignKey
* @param string $localKey
* @return \Phaseolies\Database\Entity\Builder
*/
public function linkMany(string $related, string $foreignKey, string $localKey)
{
$this->lastRelationType = 'linkMany';
$this->lastRelatedModel = $related;
$this->lastForeignKey = $foreignKey;
$this->lastLocalKey = $localKey;
$relatedInstance = app($related);
return $relatedInstance->query()->where($foreignKey, '=', $this->$localKey);
}
/**
* Define a many-to-many relationship
*
* @param string $related
* @param string $foreignKey
* @param string $relatedKey
* @param string $pivotTable
* @return \Phaseolies\Database\Entity\Builder
*/
public function bindToMany(string $related, string $foreignKey, string $relatedKey, string $pivotTable)
{
$this->lastRelationType = 'bindToMany';
$this->lastRelatedModel = $related;
$this->lastForeignKey = $foreignKey;
$this->lastRelatedKey = $relatedKey;
$this->lastPivotTable = $pivotTable;
$relatedModel = app($related);
$query = $relatedModel->query();
$query->setRelationInfo([
'type' => 'bindToMany',
'foreignKey' => $foreignKey,
'relatedKey' => $relatedKey,
'pivotTable' => $pivotTable,
'parentKey' => $this->getKey()
]);
return $query;
}
/**
* Get the last relation type
*
* @return string
*/
public function getLastRelationType(): string
{
return $this->lastRelationType;
}
/**
* Get the last related model
*
* @return string
*/
public function getLastRelatedModel(): string
{
return $this->lastRelatedModel;
}
/**
* Get the last foreign key
*
* @return string
*/
public function getLastForeignKey(): string
{
return $this->lastForeignKey;
}
/**
* Get the parent key value for relationships
*
* @return string
*/
public function getParentKey(): string
{
return $this->{$this->getLastLocalKey()};
}
/**
* Get the local key for relationships
*
* @return string
*/
public function getLastLocalKey(): string
{
return $this->lastLocalKey ?? $this->primaryKey;
}
/**
* Set a relationship value
*
* @param string $relation
* @param mixed $value
*/
public function setRelation(string $relation, $value): self
{
$this->relations[$relation] = $value;
return $this;
}
/**
* Get a relationship value
*
* @param string $relation
* @return mixed
*/
public function getRelation(string $relation)
{
return $this->relations[$relation] ?? null;
}
/**
* Magic getter for accessing model attributes and relationships
*
* @param string $name
* @return mixed
*/
public function __get($name)
{
try {
if (array_key_exists($name, $this->attributes)) {
return $this->attributes[$name];
}
if (array_key_exists($name, $this->relations)) {
return $this->relations[$name];
}
if (method_exists($this, $name)) {
$relation = $this->$name();
if ($relation instanceof Builder) {
$relationType = $this->getLastRelationType();
switch ($relationType) {
case 'linkOne':
$result = $relation->first();
$this->setRelation($name, $result);
return $result;
case 'bindTo':
$result = $relation->first();
$this->setRelation($name, $result);
return $result;
case 'linkMany':
$results = $relation->get();
$this->setRelation($name, $results);
return $results;
case 'bindToMany':
$relatedModel = app($this->getLastRelatedModel());
$pivotColumns = app('db')->getTableColumns($this->getLastPivotTable());
$pivotTable = $this->getLastPivotTable();
$pivotSelects = array_map(function ($column) use ($pivotTable) {
return "{$pivotTable}.{$column} as pivot_{$column}";
}, $pivotColumns);
$query = $relatedModel->query()
->select(array_merge(
["{$relatedModel->getTable()}.*"],
$pivotSelects
))
->join(
$this->getLastPivotTable(),
"{$this->getLastPivotTable()}.{$this->getLastRelatedKey()}",
'=',
"{$relatedModel->getTable()}.{$relatedModel->getKeyName()}"
)
->where("{$this->getLastPivotTable()}.{$this->getLastForeignKey()}", '=', $this->getKey());
$results = $query->get();
$grouped = [];
foreach ($results as $result) {
$pivot = [];
foreach ($pivotColumns as $column) {
$pivot[$column] = $result["pivot_{$column}"];
unset($result["pivot_{$column}"]);
}
$pivotObj = (object) $pivot;
$result->pivot = $pivotObj;
$grouped[$pivot[$this->getLastForeignKey()]][] = $result;
}
$this->setRelation($name, $grouped);
return $results;
}
}
return $relation;
}
if (!isset($this->attributes[$name])) {
throw new \Exception("Property or relation '$name' does not exist on " . static::class);
}
return $this->attributes[$name];
} catch (\Throwable $th) {
return;
}
}
/**
* Determine if the given relation is loaded.
*
* @param string $key
* @return bool
*/
public function relationLoaded(string $key): bool
{
return array_key_exists($key, $this->relations);
}
/**
* Get all the loaded relations for the instance.
*
* @return array
*/
public function getRelations(): array
{
return $this->relations;
}
/**
* Set the entire relations array on the model.
*
* @param array $relations
* @return $this
*/
public function setRelations(array $relations): self
{
$this->relations = $relations;
return $this;
}
/**
* Get a specified relationship.
*
* @param string $relation
* @return mixed
*/
public function getRelationValue(string $relation)
{
return $this->getRelation($relation);
}
/**
* Get the authentication key name used for identifying the user.
*
* @return string
*/
public function getAuthKeyName(): string
{
return "email";
}
/**
* Check is the model usage timestamps