<?php
namespace Illuminate\Database\Eloquent;
use DateTime;
use Exception;
use ArrayAccess;
use Carbon\Carbon;
use LogicException;
use JsonSerializable;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Illuminate\Contracts\Support\Jsonable;
use Illuminate\Contracts\Events\Dispatcher;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Contracts\Routing\UrlRoutable;
use Illuminate\Contracts\Queue\QueueableEntity;
use Illuminate\Database\Eloquent\Relations\Pivot;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Database\Eloquent\Relations\MorphOne;
use Illuminate\Support\Collection as BaseCollection;
use Illuminate\Database\Eloquent\Relations\MorphMany;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Query\Builder as QueryBuilder;
use Illuminate\Database\Eloquent\Relations\MorphToMany;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasManyThrough;
use Illuminate\Database\ConnectionResolverInterface as Resolver;
abstract class Model implements ArrayAccess, Arrayable, Jsonable, JsonSerializable, QueueableEntity, UrlRoutable
{
/**
* The connection name for the model.
*
* @var string
*/
protected $connection;
/**
* The table associated with the model.
*
* @var string
*/
protected $table;
/**
* The primary key for the model.
*
* @var string
*/
protected $primaryKey = 'id';
/**
* The number of models to return for pagination.
*
* @var int
*/
protected $perPage = 15;
/**
* Indicates if the IDs are auto-incrementing.
*
* @var bool
*/
public $incrementing = true;
/**
* Indicates if the model should be timestamped.
*
* @var bool
*/
public $timestamps = true;
/**
* The model's attributes.
*
* @var array
*/
protected $attributes = [];
/**
* The model attribute's original state.
*
* @var array
*/
protected $original = [];
/**
* The loaded relationships for the model.
*
* @var array
*/
protected $relations = [];
/**
* The attributes that should be hidden for arrays.
*
* @var array
*/
protected $hidden = [];
/**
* The attributes that should be visible in arrays.
*
* @var array
*/
protected $visible = [];
/**
* The accessors to append to the model's array form.
*
* @var array
*/
protected $appends = [];
/**
* The attributes that are mass assignable.
*
* @var array
*/
protected $fillable = [];
/**
* The attributes that aren't mass assignable.
*
* @var array
*/
protected $guarded = ['*'];
/**
* The attributes that should be mutated to dates.
*
* @var array
*/
protected $dates = [];
/**
* The storage format of the model's date columns.
*
* @var string
*/
protected $dateFormat;
/**
* The attributes that should be casted to native types.
*
* @var array
*/
protected $casts = [];
/**
* The relationships that should be touched on save.
*
* @var array
*/
protected $touches = [];
/**
* User exposed observable events.
*
* @var array
*/
protected $observables = [];
/**
* The relations to eager load on every query.
*
* @var array
*/
protected $with = [];
/**
* The class name to be used in polymorphic relations.
*
* @var string
*/
protected $morphClass;
/**
* Indicates if the model exists.
*
* @var bool
*/
public $exists = false;
/**
* Indicates if the model mutated attributes can have different case from ex. User_comments instead of user_comments.
*
* @var bool
*/
public $mutatedGetFirsCapitalLetter = false;
/**
* Indicates if the model was inserted during the current request lifecycle.
*
* @var bool
*/
public $wasRecentlyCreated = false;
/**
* Indicates whether attributes are snake cased on arrays.
*
* @var bool
*/
public static $snakeAttributes = true;
/**
* The connection resolver instance.
*
* @var \Illuminate\Database\ConnectionResolverInterface
*/
protected static $resolver;
/**
* The event dispatcher instance.
*
* @var \Illuminate\Contracts\Events\Dispatcher
*/
protected static $dispatcher;
/**
* The array of booted models.
*
* @var array
*/
protected static $booted = [];
/**
* The array of global scopes on the model.
*
* @var array
*/
protected static $globalScopes = [];
/**
* Indicates if all mass assignment is enabled.
*
* @var bool
*/
protected static $unguarded = false;
/**
* The cache of the mutated attributes for each class.
*
* @var array
*/
protected static $mutatorCache = [];
/**
* The many to many relationship methods.
*
* @var array
*/
public static $manyMethods = ['belongsToMany', 'morphToMany', 'morphedByMany'];
/**
* The name of the "created at" column.
*
* @var string
*/
const CREATED_AT = 'created_at';
/**
* The name of the "updated at" column.
*
* @var string
*/
const UPDATED_AT = 'updated_at';
/**
* Create a new Eloquent model instance.
*
* @param array $attributes
* @return void
*/
public function __construct(array $attributes = [])
{
$this->bootIfNotBooted();
$this->syncOriginal();
$this->fill($attributes);
}
/**
* Check if the model needs to be booted and if so, do it.
*
* @return void
*/
protected function bootIfNotBooted()
{
$class = get_class($this);
if (! isset(static::$booted[$class])) {
static::$booted[$class] = true;
$this->fireModelEvent('booting', false);
static::boot();
$this->fireModelEvent('booted', false);
}
}
/**
* The "booting" method of the model.
*
* @return void
*/
protected static function boot()
{
static::bootTraits();
}
/**
* Boot all of the bootable traits on the model.
*
* @return void
*/
protected static function bootTraits()
{
foreach (class_uses_recursive(get_called_class()) as $trait) {
if (method_exists(get_called_class(), $method = 'boot'.class_basename($trait))) {
forward_static_call([get_called_class(), $method]);
}
}
}
/**
* Clear the list of booted models so they will be re-booted.
*
* @return void
*/
public static function clearBootedModels()
{
static::$booted = [];
}
/**
* Register a new global scope on the model.
*
* @param \Illuminate\Database\Eloquent\ScopeInterface $scope
* @return void
*/
public static function addGlobalScope(ScopeInterface $scope)
{
static::$globalScopes[get_called_class()][get_class($scope)] = $scope;
}
/**
* Determine if a model has a global scope.
*
* @param \Illuminate\Database\Eloquent\ScopeInterface $scope
* @return bool
*/
public static function hasGlobalScope($scope)
{
return ! is_null(static::getGlobalScope($scope));
}
/**
* Get a global scope registered with the model.
*
* @param \Illuminate\Database\Eloquent\ScopeInterface $scope
* @return \Illuminate\Database\Eloquent\ScopeInterface|null
*/
public static function getGlobalScope($scope)
{
return Arr::first(static::$globalScopes[get_called_class()], function ($key, $value) use ($scope) {
return $scope instanceof $value;
});
}
/**
* Get the global scopes for this class instance.
*
* @return \Illuminate\Database\Eloquent\ScopeInterface[]
*/
public function getGlobalScopes()
{
return Arr::get(static::$globalScopes, get_class($this), []);
}
/**
* Register an observer with the Model.
*
* @param object|string $class
* @param int $priority
* @return void
*/
public static function observe($class, $priority = 0)
{
$instance = new static;
$className = is_string($class) ? $class : get_class($class);
// When registering a model observer, we will spin through the possible events
// and determine if this observer has that method. If it does, we will hook
// it into the model's event system, making it convenient to watch these.
foreach ($instance->getObservableEvents() as $event) {
if (method_exists($class, $event)) {
static::registerModelEvent($event, $className.'@'.$event, $priority);
}
}
}
/**
* Fill the model with an array of attributes.
*
* @param array $attributes
* @return $this
*
* @throws \Illuminate\Database\Eloquent\MassAssignmentException
*/
public function fill(array $attributes)
{
$totallyGuarded = $this->totallyGuarded();
foreach ($this->fillableFromArray($attributes) as $key => $value) {
$key = $this->removeTableFromKey($key);
// The developers may choose to place some attributes in the "fillable"
// array, which means only those attributes may be set through mass
// assignment to the model, and all others will just be ignored.
if ($this->isFillable($key)) {
$this->setAttribute($key, $value);
} elseif ($totallyGuarded) {
throw new MassAssignmentException($key);
}
}
return $this;
}
/**
* Fill the model with an array of attributes. Force mass assignment.
*
* @param array $attributes
* @return $this
*/
public function forceFill(array $attributes)
{
// Since some versions of PHP have a bug that prevents it from properly
// binding the late static context in a closure, we will first store
// the model in a variable, which we will then use in the closure.
$model = $this;
return static::unguarded(function () use ($model, $attributes) {
return $model->fill($attributes);
});
}
/**
* Get the fillable attributes of a given array.
*
* @param array $attributes
* @return array
*/
protected function fillableFromArray(array $attributes)
{
if (count($this->fillable) > 0 && ! static::$unguarded) {
return array_intersect_key($attributes, array_flip($this->fillable));
}
return $attributes;
}
/**
* Create a new instance of the given model.
*
* @param array $attributes
* @param bool $exists
* @return static
*/
public function newInstance($attributes = [], $exists = false)
{
// This method just provides a convenient way for us to generate fresh model
// instances of this current model. It is particularly useful during the
// hydration of new objects via the Eloquent query builder instances.
$model = new static((array) $attributes);
$model->exists = $exists;
return $model;
}
/**
* Create a new model instance that is existing.
*
* @param array $attributes
* @param string|null $connection
* @return static
*/
public function newFromBuilder($attributes = [], $connection = null)
{
$model = $this->newInstance([], true);
$model->setRawAttributes((array) $attributes, true);
$model->setConnection($connection ?: $this->connection);
return $model;
}
/**
* Create a collection of models from plain arrays.
*
* @param array $items
* @param string|null $connection
* @return \Illuminate\Database\Eloquent\Collection
*/
public static function hydrate(array $items, $connection = null)
{
$instance = (new static)->setConnection($connection);
$items = array_map(function ($item) use ($instance) {
return $instance->newFromBuilder($item);
}, $items);
return $instance->newCollection($items);
}
/**
* Create a collection of models from a raw query.
*
* @param string $query
* @param array $bindings
* @param string|null $connection
* @return \Illuminate\Database\Eloquent\Collection
*/
public static function hydrateRaw($query, $bindings = [], $connection = null)
{
$instance = (new static)->setConnection($connection);
$items = $instance->getConnection()->select($query, $bindings);
return static::hydrate($items, $connection);
}
/**
* Save a new model and return the instance.
*
* @param array $attributes
* @return static
*/
public static function create(array $attributes = [])
{
$model = new static($attributes);
$model->save();
return $model;
}
/**
* Save a new model and return the instance. Allow mass-assignment.
*
* @param array $attributes
* @return static
*/
public static function forceCreate(array $attributes)
{
// Since some versions of PHP have a bug that prevents it from properly
// binding the late static context in a closure, we will first store
// the model in a variable, which we will then use in the closure.
$model = new static;
return static::unguarded(function () use ($model, $attributes) {
return $model->create($attributes);
});
}
/**
* Get the first record matching the attributes or create it.
*
* @param array $attributes
* @return static
*/
public static function firstOrCreate(array $attributes)
{
if (! is_null($instance = static::where($attributes)->first())) {
return $instance;
}
return static::create($attributes);
}
/**
* Get the first record matching the attributes or instantiate it.
*
* @param array $attributes
* @return static
*/
public static function firstOrNew(array $attributes)
{
if (! is_null($instance = static::where($attributes)->first())) {
return $instance;
}
return new static($attributes);
}
/**
* Create or update a record matching the attributes, and fill it with values.
*
* @param array $attributes
* @param array $values
* @return static
*/
public static function updateOrCreate(array $attributes, array $values = [])
{
$instance = static::firstOrNew($attributes);
$instance->fill($values)->save();
return $instance;
}
/**
* Begin querying the model.
*
* @return \Illuminate\Database\Eloquent\Builder
*/
public static function query()
{
return (new static)->newQuery();
}
/**
* Begin querying the model on a given connection.
*
* @param string|null $connection
* @return \Illuminate\Database\Eloquent\Builder
*/
public static function on($connection = null)
{
// First we will just create a fresh instance of this model, and then we can
// set the connection on the model so that it is be used for the queries
// we execute, as well as being set on each relationship we retrieve.
$instance = new static;
$instance->setConnection($connection);
return $instance->newQuery();
}
/**
* Begin querying the model on the write connection.
*
* @return \Illuminate\Database\Query\Builder
*/
public static function onWriteConnection()
{
$instance = new static;
return $instance->newQuery()->useWritePdo();
}
/**
* Get all of the models from the database.
*
* @param array|mixed $columns
* @return \Illuminate\Database\Eloquent\Collection|static[]
*/
public static function all($columns = ['*'])
{
$columns = is_array($columns) ? $columns : func_get_args();
$instance = new static;
return $instance->newQuery()->get($columns);
}
/**
* Find a model by its primary key or return new static.
*
* @param mixed $id
* @param array $columns
* @return \Illuminate\Support\Collection|static
*/
public static function findOrNew($id, $columns = ['*'])
{
if (! is_null($model = static::find($id, $columns))) {
return $model;
}
return new static;
}
/**
* Reload a fresh model instance from the database.
*
* @param array $with
* @return $this|null
*/
public function fresh(array $with = [])
{
if (! $this->exists) {
return;
}
$key = $this->getKeyName();
return static::with($with)->where($key, $this->getKey())->first();
}
/**
* Eager load relations on the model.
*
* @param array|string $relations
* @return $this
*/
public function load($relations)
{
if (is_string($relations)) {
$relations = func_get_args();
}
$query = $this->newQuery()->with($relations);
$query->eagerLoadRelations([$this]);
return $this;
}
/**
* Begin querying a model with eager loading.
*
* @param array|string $relations
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public static function with($relations)
{
if (is_string($relations)) {
$relations = func_get_args();
}
$instance = new static;
return $instance->newQuery()->with($relations);
}
/**
* Append attributes to query when building a query.
*
* @param array|string $attributes
* @return $this
*/
public function append($attributes)
{
if (is_string($attributes)) {
$attributes = func_get_args();
}
$this->appends = array_unique(
array_merge($this->appends, $attributes)
);
return $this;
}
/**
* Define a one-to-one relationship.
*
* @param string $related
* @param string $foreignKey
* @param string $localKey
* @return \Illuminate\Database\Eloquent\Relations\HasOne
*/
public function hasOne($related, $foreignKey = null, $localKey = null)
{
$foreignKey = $foreignKey ?: $this->getForeignKey();
$instance = new $related;
$localKey = $localKey ?: $this->getKeyName();
return new HasOne($instance->newQuery(), $this, $instance->getTable().'.'.$foreignKey, $localKey);
}
/**
* Define a polymorphic one-to-one relationship.
*
* @param string $related
* @param string $name
* @param string $type
* @param string $id
* @param string $localKey
* @return \Illuminate\Database\Eloquent\Relations\MorphOne
*/
public function morphOne($related, $name, $type = null, $id = null, $localKey = null)
{
$instance = new $related;
list($type, $id) = $this->getMorphs($name, $type, $id);
$table = $instance->getTable();
$localKey = $localKey ?: $this->getKeyName();
return new MorphOne($instance->newQuery(), $this, $table.'.'.$type, $table.'.'.$id, $localKey);
}
/**
* Define an inverse one-to-one or many relationship.
*
* @param string $related
* @param string $foreignKey
* @param string $otherKey
* @param string $relation
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function belongsTo($related, $foreignKey = null, $otherKey = null, $relation = null)
{
// If no relation name was given, we will use this debug backtrace to extract
// the calling method's name and use that as the relationship name as most
// of the time this will be what we desire to use for the relationships.
if (is_null($relation)) {
list($current, $caller) = debug_backtrace(false, 2);
$relation = $caller['function'];
}
// If no foreign key was supplied, we can use a backtrace to guess the proper
// foreign key name by using the name of the relationship function, which
// when combined with an "_id" should conventionally match the columns.
if (is_null($foreignKey)) {
$foreignKey = Str::snake($relation).'_id';
}
$instance = new $related;
// Once we have the foreign key names, we'll just create a new Eloquent query
// for the related models and returns the relationship instance which will
// actually be responsible for retrieving and hydrating every relations.
$query = $instance->newQuery();
$otherKey = $otherKey ?: $instance->getKeyName();
return new BelongsTo($query, $this, $foreignKey, $otherKey, $relation);
}
/**
* Define a polymorphic, inverse one-to-one or many relationship.
*
* @param string $name
* @param string $type
* @param string $id
* @return \Illuminate\Database\Eloquent\Relations\MorphTo
*/
public function morphTo($name = null, $type = null, $id = null)
{
// If no name is provided, we will use the backtrace to get the function name
// since that is most likely the name of the polymorphic interface. We can
// use that to get both the class and foreign key that will be utilized.
if (is_null($name)) {
list($current, $caller) = debug_backtrace(false, 2);
$name = Str::snake($caller['function']);
}
list($type, $id) = $this->getMorphs($name, $type, $id);
// If the type value is null it is probably safe to assume we're eager loading
// the relationship. When that is the case we will pass in a dummy query as
// there are multiple types in the morph and we can't use single queries.
if (is_null($class = $this->$type)) {
return new MorphTo(
$this->newQuery(), $this, $id, null, $type, $name
);
}
// If we are not eager loading the relationship we will essentially treat this
// as a belongs-to style relationship since morph-to extends that class and
// we will pass in the appropriate values so that it behaves as expected.
else {
$class = $this->getActualClassNameForMorph($class);
$instance = new $class;
return new MorphTo(
$instance->newQuery(), $this, $id, $instance->getKeyName(), $type, $name
);
}
}
/**
* Retrieve the fully qualified class name from a slug.
*
* @param string $class
* @return string
*/
public function getActualClassNameForMorph($class)
{
return Arr::get(Relation::morphMap(), $class, $class);
}
/**
* Define a one-to-many relationship.
*
* @param string $related
* @param string $foreignKey
* @param string $localKey
* @return \Illuminate\Database\Eloquent\Relations\HasMany
*/
public function hasMany($related, $foreignKey = null, $localKey = null)
{
$foreignKey = $foreignKey ?: $this->getForeignKey();
$instance = new $related;
$localKey = $localKey ?: $this->getKeyName();
return new HasMany($instance->newQuery(), $this, $instance->getTable().'.'.$foreignKey, $localKey);
}
/**
* Define a has-many-through relationship.
*
* @param string $related
* @param string $through
* @param string|null $firstKey
* @param string|null $secondKey
* @param string|null $localKey
* @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
*/
public function hasManyThrough($related, $through, $firstKey = null, $secondKey = null, $localKey = null)
{
$through = new $through;
$firstKey = $firstKey ?: $this->getForeignKey();
$secondKey = $secondKey ?: $through->getForeignKey();
$localKey = $localKey ?: $this->getKeyName();
return new HasManyThrough((new $related)->newQuery(), $this, $through, $firstKey, $secondKey, $localKey);
}
/**
* Define a polymorphic one-to-many relationship.
*
* @param string $related
* @param string $name
* @param string $type
* @param string $id
* @param string $localKey
* @return \Illuminate\Database\Eloquent\Relations\MorphMany
*/
public function morphMany($related, $name, $type = null, $id = null, $localKey = null)
{
$instance = new $related;
// Here we will gather up the morph type and ID for the relationship so that we
// can properly query the intermediate table of a relation. Finally, we will
// get the table and create the relationship instances for the developers.
list($type, $id) = $this->getMorphs($name, $type, $id);
$table = $instance->getTable();
$localKey = $localKey ?: $this->getKeyName();
return new MorphMany($instance->newQuery(), $this, $table.'.'.$type, $table.'.'.$id, $localKey);
}
/**
* Define a many-to-many relationship.
*
* @param string $related
* @param string $table
* @param string $foreignKey
* @param string $otherKey
* @param string $relation
* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
*/
public function belongsToMany($related, $table = null, $foreignKey = null, $otherKey = null, $relation = null)
{
// If no relationship name was passed, we will pull backtraces to get the
// name of the calling function. We will use that function name as the
// title of this relation since that is a great convention to apply.
if (is_null($relation)) {
$relation = $this->getBelongsToManyCaller();
}
// First, we'll need to determine the foreign key and "other key" for the
// relationship. Once we have determined the keys we'll make the query
// instances as well as the relationship instances we need for this.
$foreignKey = $foreignKey ?: $this->getForeignKey();
$instance = new $related;
$otherKey = $otherKey ?: $instance->getForeignKey();
// If no table name was provided, we can guess it by concatenating the two
// models using underscores in alphabetical order. The two model names
// are transformed to snake case from their default CamelCase also.
if (is_null($table)) {
$table = $this->joiningTable($related);
}
// Now we're ready to create a new query builder for the related model and
// the relationship instances for the relation. The relations will set
// appropriate query constraint and entirely manages the hydrations.
$query = $instance->newQuery();
return new BelongsToMany($query, $this, $table, $foreignKey, $otherKey, $relation);
}
/**
* Define a polymorphic many-to-many relationship.
*
* @param string $related
* @param string $name
* @param string $table
* @param string $foreignKey
* @param string $otherKey
* @param bool $inverse
* @return \Illuminate\Database\Eloquent\Relations\MorphToMany
*/
public function morphToMany($related, $name, $table = null, $foreignKey = null, $otherKey = null, $inverse = false)
{
$caller = $this->getBelongsToManyCaller();
// First, we will need to determine the foreign key and "other key" for the
// relationship. Once we have determined the keys we will make the query
// instances, as well as the relationship instances we need for these.
$foreignKey = $foreignKey ?: $name.'_id';
$instance = new $related;
$otherKey = $otherKey ?: $instance->getForeignKey();
// Now we're ready to create a new query builder for this related model and
// the relationship instances for this relation. This relations will set
// appropriate query constraints then entirely manages the hydrations.
$query = $instance->newQuery();
$table = $table ?: Str::plural($name);
return new MorphToMany(
$query, $this, $name, $table, $foreignKey,
$otherKey, $caller, $inverse
);
}
/**
* Define a polymorphic, inverse many-to-many relationship.
*
* @param string $related
* @param string $name
* @param string $table
* @param string $foreignKey
* @param string $otherKey
* @return \Illuminate\Database\Eloquent\Relations\MorphToMany
*/
public function morphedByMany($related, $name, $table = null, $foreignKey = null, $otherKey = null)
{
$foreignKey = $foreignKey ?: $this->getForeignKey();
// For the inverse of the polymorphic many-to-many relations, we will change
// the way we determine the foreign and other keys, as it is the opposite
// of the morph-to-many method since we're figuring out these inverses.
$otherKey = $otherKey ?: $name.'_id';
return $this->morphToMany($related, $name, $table, $foreignKey, $otherKey, true);
}
/**
* Get the relationship name of the belongs to many.
*
* @return string
*/
protected function getBelongsToManyCaller()
{
$self = __FUNCTION__;
$caller = Arr::first(debug_backtrace(false), function ($key, $trace) use ($self) {
$caller = $trace['function'];
return ! in_array($caller, Model::$manyMethods) && $caller != $self;
});
return ! is_null($caller) ? $caller['function'] : null;
}
/**
* Get the joining table name for a many-to-many relation.
*
* @param string $related
* @return string
*/
public function joiningTable($related)
{
// The joining table name, by convention, is simply the snake cased models
// sorted alphabetically and concatenated with an underscore, so we can
// just sort the models and join them together to get the table name.
$base = Str::snake(class_basename($this));
$related = Str::snake(class_basename($related));
$models = [$related, $base];
// Now that we have the model names in an array we can just sort them and
// use the implode function to join them together with an underscores,
// which is typically used by convention within the database system.
sort($models);
return strtolower(implode('_', $models));
}
/**
* Destroy the models for the given IDs.
*
* @param array|int $ids
* @return int
*/
public static function destroy($ids)
{
// We'll initialize a count here so we will return the total number of deletes
// for the operation. The developers can then check this number as a boolean
// type value or get this total count of records deleted for logging, etc.
$count = 0;
$ids = is_array($ids) ? $ids : func_get_args();
$instance = new static;
// We will actually pull the models from the database table and call delete on
// each of them individually so that their events get fired properly with a
// correct set of attributes in case the developers wants to check these.
$key = $instance->getKeyName();
foreach ($instance->whereIn($key, $ids)->get() as $model) {
if ($model->delete()) {
$count++;
}
}
return $count;
}
/**
* Delete the model from the database.
*
* @return bool|null
* @throws \Exception
*/
public function delete()
{
if (is_null($this->getKeyName())) {
throw new Exception('No primary key defined on model.');
}
if ($this->exists) {
if ($this->fireModelEvent('deleting') === false) {
return false;
}
// Here, we'll touch the owning models, verifying these timestamps get updated
// for the models. This will allow any caching to get broken on the parents
// by the timestamp. Then we will go ahead and delete the model instance.
$this->touchOwners();
$this->performDeleteOnModel();
$this->exists = false;
// Once the model has been deleted, we will fire off the deleted event so that
// the developers may hook into post-delete operations. We will then return
// a boolean true as the delete is presumably successful on the database.
$this->fireModelEvent('deleted', false);
return true;
}
}
/**
* Force a hard delete on a soft deleted model.
*
* This method protects developers from running forceDelete when trait is missing.
*
* @return bool|null
*/
public function forceDelete()
{
return $this->delete();
}
/**
* Perform the actual delete query on this model instance.
*
* @return void
*/
protected function performDeleteOnModel()
{
$this->setKeysForSaveQuery($this->newQueryWithoutScopes())->delete();
}
/**
* Register a saving model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function saving($callback, $priority = 0)
{
static::registerModelEvent('saving', $callback, $priority);
}
/**
* Register a saved model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function saved($callback, $priority = 0)
{
static::registerModelEvent('saved', $callback, $priority);
}
/**
* Register an updating model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function updating($callback, $priority = 0)
{
static::registerModelEvent('updating', $callback, $priority);
}
/**
* Register an updated model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function updated($callback, $priority = 0)
{
static::registerModelEvent('updated', $callback, $priority);
}
/**
* Register a creating model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function creating($callback, $priority = 0)
{
static::registerModelEvent('creating', $callback, $priority);
}
/**
* Register a created model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function created($callback, $priority = 0)
{
static::registerModelEvent('created', $callback, $priority);
}
/**
* Register a deleting model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function deleting($callback, $priority = 0)
{
static::registerModelEvent('deleting', $callback, $priority);
}
/**
* Register a deleted model event with the dispatcher.
*
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
public static function deleted($callback, $priority = 0)
{
static::registerModelEvent('deleted', $callback, $priority);
}
/**
* Remove all of the event listeners for the model.
*
* @return void
*/
public static function flushEventListeners()
{
if (! isset(static::$dispatcher)) {
return;
}
$instance = new static;
foreach ($instance->getObservableEvents() as $event) {
static::$dispatcher->forget("eloquent.{$event}: ".get_called_class());
}
}
/**
* Register a model event with the dispatcher.
*
* @param string $event
* @param \Closure|string $callback
* @param int $priority
* @return void
*/
protected static function registerModelEvent($event, $callback, $priority = 0)
{
if (isset(static::$dispatcher)) {
$name = get_called_class();
static::$dispatcher->listen("eloquent.{$event}: {$name}", $callback, $priority);
}
}
/**
* Get the observable event names.
*
* @return array
*/
public function getObservableEvents()
{
return array_merge(
[
'creating', 'created', 'updating', 'updated',
'deleting', 'deleted', 'saving', 'saved',
'restoring', 'restored',
],
$this->observables
);
}
/**
* Set the observable event names.
*
* @param array $observables
* @return $this
*/
public function setObservableEvents(array $observables)
{
$this->observables = $observables;
return $this;
}
/**
* Add an observable event name.
*
* @param array|mixed $observables
* @return void
*/
public function addObservableEvents($observables)
{
$observables = is_array($observables) ? $observables : func_get_args();
$this->observables = array_unique(array_merge($this->observables, $observables));
}
/**
* Remove an observable event name.
*
* @param array|mixed $observables
* @return void
*/
public function removeObservableEvents($observables)
{
$observables = is_array($observables) ? $observables : func_get_args();
$this->observables = array_diff($this->observables, $observables);
}
/**
* Increment a column's value by a given amount.
*
* @param string $column
* @param int $amount
* @return int
*/
protected function increment($column, $amount = 1)
{
return $this->incrementOrDecrement($column, $amount, 'increment');
}
/**
* Decrement a column's value by a given amount.
*
* @param string $column
* @param int $amount
* @return int
*/
protected function decrement($column, $amount = 1)
{
return $this->incrementOrDecrement($column, $amount, 'decrement');
}
/**
* Run the increment or decrement method on the model.
*
* @param string $column
* @param int $amount
* @param string $method
* @return int
*/
protected function incrementOrDecrement($column, $amount, $method)
{
$query = $this->newQuery();
if (! $this->exists) {
return $query->{$method}($column, $amount);
}
$this->incrementOrDecrementAttributeValue($column, $amount, $method);
return $query->where($this->getKeyName(), $this->getKey())->{$method}($column, $amount);
}
/**
* Increment the underlying attribute value and sync with original.
*
* @param string $column
* @param int $amount
* @param string $method
* @return void
*/
protected function incrementOrDecrementAttributeValue($column, $amount, $method)
{
$this->{$column} = $this->{$column} + ($method == 'increment' ? $amount : $amount * -1);
$this->syncOriginalAttribute($column);
}
/**
* Update the model in the database.
*
* @param array $attributes
* @return bool|int
*/
public function update(array $attributes = [])
{
if (! $this->exists) {
return $this->newQuery()->update($attributes);
}
return $this->fill($attributes)->save();
}
/**
* Save the model and all of its relationships.
*
* @return bool
*/
public function push()
{
if (! $this->save()) {
return false;
}
// To sync all of the relationships to the database, we will simply spin through
// the relationships and save each model via this "push" method, which allows
// us to recurse into all of these nested relations for the model instance.
foreach ($this->relations as $models) {
$models = $models instanceof Collection
? $models->all() : [$models];
foreach (array_filter($models) as $model) {
if (! $model->push()) {
return false;
}
}
}
return true;
}
/**
* Save the model to the database.
*
* @param array $options
* @return bool
*/
public function save(array $options = [])
{
$query = $this->newQueryWithoutScopes();
// If the "saving" event returns false we'll bail out of the save and return
// false, indicating that the save failed. This provides a chance for any
// listeners to cancel save operations if validations fail or whatever.
if ($this->fireModelEvent('saving') === false) {
return false;
}
// If the model already exists in the database we can just update our record
// that is already in this database using the current IDs in this "where"
// clause to only update this model. Otherwise, we'll just insert them.
if ($this->exists) {
$saved = $this->performUpdate($query, $options);
}
// If the model is brand new, we'll insert it into our database and set the
// ID attribute on the model to the value of the newly inserted row's ID
// which is typically an auto-increment value managed by the database.
else {
$saved = $this->performInsert($query, $options);
}
if ($saved) {
$this->finishSave($options);
}
return $saved;
}
/**
* Finish processing on a successful save operation.
*
* @param array $options
* @return void
*/
protected function finishSave(array $options)
{
$this->fireModelEvent('saved', false);
$this->syncOriginal();
if (Arr::get($options, 'touch', true)) {
$this->touchOwners();
}
}
/**
* Perform a model update operation.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @param array $options
* @return bool
*/
protected function performUpdate(Builder $query, array $options = [])
{
$dirty = $this->getDirty();
if (count($dirty) > 0) {
// If the updating event returns false, we will cancel the update operation so
// developers can hook Validation systems into their models and cancel this
// operation if the model does not pass validation. Otherwise, we update.
if ($this->fireModelEvent('updating') === false) {
return false;
}
// First we need to create a fresh query instance and touch the creation and
// update timestamp on the model which are maintained by us for developer
// convenience. Then we will just continue saving the model instances.
if ($this->timestamps && Arr::get($options, 'timestamps', true)) {
$this->updateTimestamps();
}
// Once we have run the update operation, we will fire the "updated" event for
// this model instance. This will allow developers to hook into these after
// models are updated, giving them a chance to do any special processing.
$dirty = $this->getDirty();
if (count($dirty) > 0) {
$numRows = $this->setKeysForSaveQuery($query)->update($dirty);
$this->fireModelEvent('updated', false);
}
}
return true;
}
/**
* Perform a model insert operation.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @param array $options
* @return bool
*/
protected function performInsert(Builder $query, array $options = [])
{
if ($this->fireModelEvent('creating') === false) {
return false;
}
// First we'll need to create a fresh query instance and touch the creation and
// update timestamps on this model, which are maintained by us for developer
// convenience. After, we will just continue saving these model instances.
if ($this->timestamps && Arr::get($options, 'timestamps', true)) {
$this->updateTimestamps();
}
// If the model has an incrementing key, we can use the "insertGetId" method on
// the query builder, which will give us back the final inserted ID for this
// table from the database. Not all tables have to be incrementing though.
$attributes = $this->attributes;
if ($this->incrementing) {
$this->insertAndSetId($query, $attributes);
}
// If the table isn't incrementing we'll simply insert these attributes as they
// are. These attribute arrays must contain an "id" column previously placed
// there by the developer as the manually determined key for these models.
else {
$query->insert($attributes);
}
// We will go ahead and set the exists property to true, so that it is set when
// the created event is fired, just in case the developer tries to update it
// during the event. This will allow them to do so and run an update here.
$this->exists = true;
$this->wasRecentlyCreated = true;
$this->fireModelEvent('created', false);
return true;
}
/**
* Insert the given attributes and set the ID on the model.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @param array $attributes
* @return void
*/
protected function insertAndSetId(Builder $query, $attributes)
{
$id = $query->insertGetId($attributes, $keyName = $this->getKeyName());
$this->setAttribute($keyName, $id);
}
/**
* Touch the owning relations of the model.
*
* @return void
*/
public function touchOwners()
{
foreach ($this->touches as $relation) {
$this->$relation()->touch();
if ($this->$relation instanceof self) {
$this->$relation->touchOwners();
} elseif ($this->$relation instanceof Collection) {
$this->$relation->each(function (Model $relation) {
$relation->touchOwners();
});
}
}
}
/**
* Determine if the model touches a given relation.
*
* @param string $relation
* @return bool
*/
public function touches($relation)
{
return in_array($relation, $this->touches);
}
/**
* Fire the given event for the model.
*
* @param string $event
* @param bool $halt
* @return mixed
*/
protected function fireModelEvent($event, $halt = true)
{
if (! isset(static::$dispatcher)) {
return true;
}
// We will append the names of the class to the event to distinguish it from
// other model events that are fired, allowing us to listen on each model
// event set individually instead of catching event for all the models.
$event = "eloquent.{$event}: ".get_class($this);
$method = $halt ? 'until' : 'fire';
return static::$dispatcher->$method($event, $this);
}
/**
* Set the keys for a save update query.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @return \Illuminate\Database\Eloquent\Builder
*/
protected function setKeysForSaveQuery(Builder $query)
{
$query->where($this->getKeyName(), '=', $this->getKeyForSaveQuery());
return $query;
}
/**
* Get the primary key value for a save query.
*
* @return mixed
*/
protected function getKeyForSaveQuery()
{
if (isset($this->original[$this->getKeyName()])) {
return $this->original[$this->getKeyName()];
}
return $this->getAttribute($this->getKeyName());
}
/**
* Update the model's update timestamp.
*
* @return bool
*/
public function touch()
{
if (! $this->timestamps) {
return false;
}
$this->updateTimestamps();
return $this->save();
}
/**
* Update the creation and update timestamps.
*
* @return void
*/
protected function updateTimestamps()
{
$time = $this->freshTimestamp();
if (! $this->isDirty(static::UPDATED_AT)) {
$this->setUpdatedAt($time);
}
if (! $this->exists && ! $this->isDirty(static::CREATED_AT)) {
$this->setCreatedAt($time);
}
}
/**
* Set the value of the "created at" attribute.
*
* @param mixed $value
* @return $this
*/
public function setCreatedAt($value)
{
$this->{static::CREATED_AT} = $value;
return $this;
}
/**
* Set the value of the "updated at" attribute.
*
* @param mixed $value
* @return $this
*/
public function setUpdatedAt($value)
{
$this->{static::UPDATED_AT} = $value;
return $this;
}
/**
* Get the name of the "created at" column.
*
* @return string
*/
public function getCreatedAtColumn()
{
return static::CREATED_AT;
}
/**
* Get the name of the "updated at" column.
*
* @return string
*/
public function getUpdatedAtColumn()
{
return static::UPDATED_AT;
}
/**
* Get a fresh timestamp for the model.
*
* @return \Carbon\Carbon
*/
public function freshTimestamp()
{
return new Carbon;
}
/**
* Get a fresh timestamp for the model.
*
* @return string
*/
public function freshTimestampString()
{
return $this->fromDateTime($this->freshTimestamp());
}
/**
* Get a new query builder for the model's table.
*
* @return \Illuminate\Database\Eloquent\Builder
*/
public function newQuery()
{
$builder = $this->newQueryWithoutScopes();
return $this->applyGlobalScopes($builder);
}
/**
* Get a new query instance without a given scope.
*
* @param \Illuminate\Database\Eloquent\ScopeInterface $scope
* @return \Illuminate\Database\Eloquent\Builder
*/
public function newQueryWithoutScope($scope)
{
$this->getGlobalScope($scope)->remove($builder = $this->newQuery(), $this);
return $builder;
}
/**
* Get a new query builder that doesn't have any global scopes.
*
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function newQueryWithoutScopes()
{
$builder = $this->newEloquentBuilder(
$this->newBaseQueryBuilder()
);
// Once we have the query builders, we will set the model instances so the
// builder can easily access any information it may need from the model
// while it is constructing and executing various queries against it.
return $builder->setModel($this)->with($this->with);
}
/**
* Apply all of the global scopes to an Eloquent builder.
*
* @param \Illuminate\Database\Eloquent\Builder $builder
* @return \Illuminate\Database\Eloquent\Builder
*/
public function applyGlobalScopes($builder)
{
foreach ($this->getGlobalScopes() as $scope) {
$scope->apply($builder, $this);
}
return $builder;
}
/**
* Remove all of the global scopes from an Eloquent builder.
*
* @param \Illuminate\Database\Eloquent\Builder $builder
* @return \Illuminate\Database\Eloquent\Builder
*/
public function removeGlobalScopes($builder)
{
foreach ($this->getGlobalScopes() as $scope) {
$scope->remove($builder, $this);
}
return $builder;
}
/**
* Create a new Eloquent query builder for the model.
*
* @param \Illuminate\Database\Query\Builder $query
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function newEloquentBuilder($query)
{
return new Builder($query);
}
/**
* Get a new query builder instance for the connection.
*
* @return \Illuminate\Database\Query\Builder
*/
protected function newBaseQueryBuilder()
{
$conn = $this->getConnection();
$grammar = $conn->getQueryGrammar();
return new QueryBuilder($conn, $grammar, $conn->getPostProcessor());
}
/**
* Create a new Eloquent Collection instance.
*
* @param array $models
* @return \Illuminate\Database\Eloquent\Collection
*/
public function newCollection(array $models = [])
{
return new Collection($models);
}
/**
* Create a new pivot model instance.
*
* @param \Illuminate\Database\Eloquent\Model $parent
* @param array $attributes
* @param string $table
* @param bool $exists
* @return \Illuminate\Database\Eloquent\Relations\Pivot
*/
public function newPivot(Model $parent, array $attributes, $table, $exists)
{
return new Pivot($parent, $attributes, $table, $exists);
}
/**
* Get the table associated with the model.
*
* @return string
*/
public function getTable()
{
if (isset($this->table)) {
return $this->table;
}
return str_replace('\\', '', Str::snake(Str::plural(class_basename($this))));
}
/**
* Set the table associated with the model.
*
* @param string $table
* @return $this
*/
public function setTable($table)
{
$this->table = $table;
return $this;
}
/**
* Get the value of the model's primary key.
*
* @return mixed
*/
public function getKey()
{
return $this->getAttribute($this->getKeyName());
}
/**
* Get the queueable identity for the entity.
*
* @return mixed
*/
public function getQueueableId()
{
return $this->getKey();
}
/**
* Get the primary key for the model.
*
* @return string
*/
public function getKeyName()
{
return $this->primaryKey;
}
/**
* Set the primary key for the model.
*
* @param string $key
* @return $this
*/
public function setKeyName($key)
{
$this->primaryKey = $key;
return $this;
}
/**
* Get the table qualified key name.
*
* @return string
*/
public function getQualifiedKeyName()
{
return $this->getTable().'.'.$this->getKeyName();
}
/**
* Get the value of the model's route key.
*
* @return mixed
*/
public function getRouteKey()
{
return $this->getAttribute($this->getRouteKeyName());
}
/**
* Get the route key for the model.
*
* @return string
*/
public function getRouteKeyName()
{
return $this->getKeyName();
}
/**
* Determine if the model uses timestamps.
*
* @return bool
*/
public function usesTimestamps()
{
return $this->timestamps;
}
/**
* Get the polymorphic relationship columns.
*
* @param string $name
* @param string $type
* @param string $id
* @return array
*/
protected function getMorphs($name, $type, $id)
{
$type = $type ?: $name.'_type';
$id = $id ?: $name.'_id';
return [$type, $id];
}
/**
* Get the class name for polymorphic relations.
*
* @return string
*/
public function getMorphClass()
{
$morphMap = Relation::morphMap();
$class = get_class($this);
if (! empty($morphMap) && in_array($class, $morphMap)) {
return array_search($class, $morphMap, true);
}
return $this->morphClass ?: $class;
}
/**
* Get the number of models to return per page.
*
* @return int
*/
public function getPerPage()
{
return $this->perPage;
}
/**
* Set the number of models to return per page.
*
* @param int $perPage
* @return $this
*/
public function setPerPage($perPage)
{
$this->perPage = $perPage;
return $this;
}
/**
* Get the default foreign key name for the model.
*
* @return string
*/
public function getForeignKey()
{
return Str::snake(class_basename($this)).'_id';
}
/**
* Get the hidden attributes for the model.
*
* @return array
*/
public function getHidden()
{
return $this->hidden;
}
/**
* Set the hidden attributes for the model.
*
* @param array $hidden
* @return $this
*/
public function setHidden(array $hidden)
{
$this->hidden = $hidden;
return $this;
}
/**
* Add hidden attributes for the model.
*
* @param array|string|null $attributes
* @return void
*/
public function addHidden($attributes = null)
{
$attributes = is_array($attributes) ? $attributes : func_get_args();
$this->hidden = array_merge($this->hidden, $attributes);
}
/**
* Make the given, typically hidden, attributes visible.
*
* @param array|string $attributes
* @return $this
*/
public function withHidden($attributes)
{
$this->hidden = array_diff($this->hidden, (array) $attributes);
return $this;
}
/**
* Get the visible attributes for the model.
*
* @return array
*/
public function getVisible()
{
return $this->visible;
}
/**
* Set the visible attributes for the model.
*
* @param array $visible
* @return $this
*/
public function setVisible(array $visible)
{
$this->visible = $visible;
return $this;
}
/**
* Add visible attributes for the model.
*
* @param array|string|null $attributes
* @return void
*/
public function addVisible($attributes = null)
{
$attributes = is_array($attributes) ? $attributes : func_get_args();
$this->visible = array_merge($this->visible, $attributes);
}
/**
* Set the accessors to append to model arrays.
*
* @param array $appends
* @return $this
*/
public function setAppends(array $appends)
{
$this->appends = $appends;
return $this;
}
/**
* Get the fillable attributes for the model.
*
* @return array
*/
public function getFillable()
{
return $this->fillable;
}
/**
* Set the fillable attributes for the model.
*
* @param array $fillable
* @return $this
*/
public function fillable(array $fillable)
{
$this->fillable = $fillable;
return $this;
}
/**
* Get the guarded attributes for the model.
*
* @return array
*/
public function getGuarded()
{
return $this->guarded;
}
/**
* Set the guarded attributes for the model.
*
* @param array $guarded
* @return $this
*/
public function guard(array $guarded)
{
$this->guarded = $guarded;
return $this;
}
/**
* Disable all mass assignable restrictions.
*
* @param bool $state
* @return void
*/
public static function unguard($state = true)
{
static::$unguarded = $state;
}
/**
* Enable the mass assignment restrictions.
*
* @return void
*/
public static function reguard()
{
static::$unguarded = false;
}
/**
* Determine if current state is "unguarded".
*
* @return bool
*/
public static function isUnguarded()
{
return static::$unguarded;
}
/**
* Run the given callable while being unguarded.
*
* @param callable $callback
* @return mixed
*/
public static function unguarded(callable $callback)
{
if (static::$unguarded) {
return $callback();
}
static::unguard();
$result = $callback();
static::reguard();
return $result;
}
/**
* Determine if the given attribute may be mass assigned.
*
* @param string $key
* @return bool
*/
public function isFillable($key)
{
if (static::$unguarded) {
return true;
}
// If the key is in the "fillable" array, we can of course assume that it's
// a fillable attribute. Otherwise, we will check the guarded array when
// we need to determine if the attribute is black-listed on the model.
if (in_array($key, $this->fillable)) {
return true;
}
if ($this->isGuarded($key)) {
return false;
}
return empty($this->fillable) && ! Str::startsWith($key, '_');
}
/**
* Determine if the given key is guarded.
*
* @param string $key
* @return bool
*/
public function isGuarded($key)
{
return in_array($key, $this->guarded) || $this->guarded == ['*'];
}
/**
* Determine if the model is totally guarded
