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<?php
namespace Illuminate\Database\Eloquent;
use Closure;
use BadMethodCallException;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Illuminate\Pagination\Paginator;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Support\Traits\ForwardsCalls;
use Illuminate\Database\Concerns\BuildsQueries;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Database\Query\Builder as QueryBuilder;
/**
* @mixin \Illuminate\Database\Query\Builder
*/
class Builder
{
use BuildsQueries, Concerns\QueriesRelationships, ForwardsCalls;
/**
* The base query builder instance.
*
* @var \Illuminate\Database\Query\Builder
*/
protected $query;
/**
* The model being queried.
*
* @var \Illuminate\Database\Eloquent\Model
*/
protected $model;
/**
* The relationships that should be eager loaded.
*
* @var array
*/
protected $eagerLoad = [];
/**
* All of the globally registered builder macros.
*
* @var array
*/
protected static $macros = [];
/**
* All of the locally registered builder macros.
*
* @var array
*/
protected $localMacros = [];
/**
* A replacement for the typical delete function.
*
* @var \Closure
*/
protected $onDelete;
/**
* The methods that should be returned from query builder.
*
* @var array
*/
protected $passthru = [
'insert', 'insertGetId', 'getBindings', 'toSql',
'exists', 'doesntExist', 'count', 'min', 'max', 'avg', 'average', 'sum', 'getConnection',
];
/**
* Applied global scopes.
*
* @var array
*/
protected $scopes = [];
/**
* Removed global scopes.
*
* @var array
*/
protected $removedScopes = [];
/**
* Create a new Eloquent query builder instance.
*
* @param \Illuminate\Database\Query\Builder $query
* @return void
*/
public function __construct(QueryBuilder $query)
{
$this->query = $query;
}
/**
* Create and return an un-saved model instance.
*
* @param array $attributes
* @return \Illuminate\Database\Eloquent\Model
*/
public function make(array $attributes = [])
{
return $this->newModelInstance($attributes);
}
/**
* Register a new global scope.
*
* @param string $identifier
* @param \Illuminate\Database\Eloquent\Scope|\Closure $scope
* @return $this
*/
public function withGlobalScope($identifier, $scope)
{
$this->scopes[$identifier] = $scope;
if (method_exists($scope, 'extend')) {
$scope->extend($this);
}
return $this;
}
/**
* Remove a registered global scope.
*
* @param \Illuminate\Database\Eloquent\Scope|string $scope
* @return $this
*/
public function withoutGlobalScope($scope)
{
if (! is_string($scope)) {
$scope = get_class($scope);
}
unset($this->scopes[$scope]);
$this->removedScopes[] = $scope;
return $this;
}
/**
* Remove all or passed registered global scopes.
*
* @param array|null $scopes
* @return $this
*/
public function withoutGlobalScopes(array $scopes = null)
{
if (! is_array($scopes)) {
$scopes = array_keys($this->scopes);
}
foreach ($scopes as $scope) {
$this->withoutGlobalScope($scope);
}
return $this;
}
/**
* Get an array of global scopes that were removed from the query.
*
* @return array
*/
public function removedScopes()
{
return $this->removedScopes;
}
/**
* Add a where clause on the primary key to the query.
*
* @param mixed $id
* @return $this
*/
public function whereKey($id)
{
if (is_array($id) || $id instanceof Arrayable) {
$this->query->whereIn($this->model->getQualifiedKeyName(), $id);
return $this;
}
return $this->where($this->model->getQualifiedKeyName(), '=', $id);
}
/**
* Add a where clause on the primary key to the query.
*
* @param mixed $id
* @return $this
*/
public function whereKeyNot($id)
{
if (is_array($id) || $id instanceof Arrayable) {
$this->query->whereNotIn($this->model->getQualifiedKeyName(), $id);
return $this;
}
return $this->where($this->model->getQualifiedKeyName(), '!=', $id);
}
/**
* Add a basic where clause to the query.
*
* @param string|array|\Closure $column
* @param mixed $operator
* @param mixed $value
* @param string $boolean
* @return $this
*/
public function where($column, $operator = null, $value = null, $boolean = 'and')
{
if ($column instanceof Closure) {
$column($query = $this->model->newModelQuery());
$this->query->addNestedWhereQuery($query->getQuery(), $boolean);
} else {
$this->query->where(...func_get_args());
}
return $this;
}
/**
* Add an "or where" clause to the query.
*
* @param \Closure|array|string $column
* @param mixed $operator
* @param mixed $value
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function orWhere($column, $operator = null, $value = null)
{
[$value, $operator] = $this->query->prepareValueAndOperator(
$value, $operator, func_num_args() === 2
);
return $this->where($column, $operator, $value, 'or');
}
/**
* Add an "order by" clause for a timestamp to the query.
*
* @param string $column
* @return $this
*/
public function latest($column = null)
{
if (is_null($column)) {
$column = $this->model->getCreatedAtColumn() ?? 'created_at';
}
$this->query->latest($column);
return $this;
}
/**
* Add an "order by" clause for a timestamp to the query.
*
* @param string $column
* @return $this
*/
public function oldest($column = null)
{
if (is_null($column)) {
$column = $this->model->getCreatedAtColumn() ?? 'created_at';
}
$this->query->oldest($column);
return $this;
}
/**
* Create a collection of models from plain arrays.
*
* @param array $items
* @return \Illuminate\Database\Eloquent\Collection
*/
public function hydrate(array $items)
{
$instance = $this->newModelInstance();
return $instance->newCollection(array_map(function ($item) use ($instance) {
return $instance->newFromBuilder($item);
}, $items));
}
/**
* Create a collection of models from a raw query.
*
* @param string $query
* @param array $bindings
* @return \Illuminate\Database\Eloquent\Collection
*/
public function fromQuery($query, $bindings = [])
{
return $this->hydrate(
$this->query->getConnection()->select($query, $bindings)
);
}
/**
* Find a model by its primary key.
*
* @param mixed $id
* @param array $columns
* @return \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Collection|static[]|static|null
*/
public function find($id, $columns = ['*'])
{
if (is_array($id) || $id instanceof Arrayable) {
return $this->findMany($id, $columns);
}
return $this->whereKey($id)->first($columns);
}
/**
* Find multiple models by their primary keys.
*
* @param \Illuminate\Contracts\Support\Arrayable|array $ids
* @param array $columns
* @return \Illuminate\Database\Eloquent\Collection
*/
public function findMany($ids, $columns = ['*'])
{
if (empty($ids)) {
return $this->model->newCollection();
}
return $this->whereKey($ids)->get($columns);
}
/**
* Find a model by its primary key or throw an exception.
*
* @param mixed $id
* @param array $columns
* @return \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Collection|static|static[]
*
* @throws \Illuminate\Database\Eloquent\ModelNotFoundException
*/
public function findOrFail($id, $columns = ['*'])
{
$result = $this->find($id, $columns);
if (is_array($id)) {
if (count($result) === count(array_unique($id))) {
return $result;
}
} elseif (! is_null($result)) {
return $result;
}
throw (new ModelNotFoundException)->setModel(
get_class($this->model), $id
);
}
/**
* Find a model by its primary key or return fresh model instance.
*
* @param mixed $id
* @param array $columns
* @return \Illuminate\Database\Eloquent\Model|static
*/
public function findOrNew($id, $columns = ['*'])
{
if (! is_null($model = $this->find($id, $columns))) {
return $model;
}
return $this->newModelInstance();
}
/**
* Get the first record matching the attributes or instantiate it.
*
* @param array $attributes
* @param array $values
* @return \Illuminate\Database\Eloquent\Model|static
*/
public function firstOrNew(array $attributes, array $values = [])
{
if (! is_null($instance = $this->where($attributes)->first())) {
return $instance;
}
return $this->newModelInstance($attributes + $values);
}
/**
* Get the first record matching the attributes or create it.
*
* @param array $attributes
* @param array $values
* @return \Illuminate\Database\Eloquent\Model|static
*/
public function firstOrCreate(array $attributes, array $values = [])
{
if (! is_null($instance = $this->where($attributes)->first())) {
return $instance;
}
return tap($this->newModelInstance($attributes + $values), function ($instance) {
$instance->save();
});
}
/**
* Create or update a record matching the attributes, and fill it with values.
*
* @param array $attributes
* @param array $values
* @return \Illuminate\Database\Eloquent\Model|static
*/
public function updateOrCreate(array $attributes, array $values = [])
{
return tap($this->firstOrNew($attributes), function ($instance) use ($values) {
$instance->fill($values)->save();
});
}
/**
* Execute the query and get the first result or throw an exception.
*
* @param array $columns
* @return \Illuminate\Database\Eloquent\Model|static
*
* @throws \Illuminate\Database\Eloquent\ModelNotFoundException
*/
public function firstOrFail($columns = ['*'])
{
if (! is_null($model = $this->first($columns))) {
return $model;
}
throw (new ModelNotFoundException)->setModel(get_class($this->model));
}
/**
* Execute the query and get the first result or call a callback.
*
* @param \Closure|array $columns
* @param \Closure|null $callback
* @return \Illuminate\Database\Eloquent\Model|static|mixed
*/
public function firstOr($columns = ['*'], Closure $callback = null)
{
if ($columns instanceof Closure) {
$callback = $columns;
$columns = ['*'];
}
if (! is_null($model = $this->first($columns))) {
return $model;
}
return call_user_func($callback);
}
/**
* Get a single column's value from the first result of a query.
*
* @param string $column
* @return mixed
*/
public function value($column)
{
if ($result = $this->first([$column])) {
return $result->{$column};
}
}
/**
* Execute the query as a "select" statement.
*
* @param array $columns
* @return \Illuminate\Database\Eloquent\Collection|static[]
*/
public function get($columns = ['*'])
{
$builder = $this->applyScopes();
// If we actually found models we will also eager load any relationships that
// have been specified as needing to be eager loaded, which will solve the
// n+1 query issue for the developers to avoid running a lot of queries.
if (count($models = $builder->getModels($columns)) > 0) {
$models = $builder->eagerLoadRelations($models);
}
return $builder->getModel()->newCollection($models);
}
/**
* Get the hydrated models without eager loading.
*
* @param array $columns
* @return \Illuminate\Database\Eloquent\Model[]|static[]
*/
public function getModels($columns = ['*'])
{
return $this->model->hydrate(
$this->query->get($columns)->all()
)->all();
}
/**
* Eager load the relationships for the models.
*
* @param array $models
* @return array
*/
public function eagerLoadRelations(array $models)
{
foreach ($this->eagerLoad as $name => $constraints) {
// For nested eager loads we'll skip loading them here and they will be set as an
// eager load on the query to retrieve the relation so that they will be eager
// loaded on that query, because that is where they get hydrated as models.
if (strpos($name, '.') === false) {
$models = $this->eagerLoadRelation($models, $name, $constraints);
}
}
return $models;
}
/**
* Eagerly load the relationship on a set of models.
*
* @param array $models
* @param string $name
* @param \Closure $constraints
* @return array
*/
protected function eagerLoadRelation(array $models, $name, Closure $constraints)
{
// First we will "back up" the existing where conditions on the query so we can
// add our eager constraints. Then we will merge the wheres that were on the
// query back to it in order that any where conditions might be specified.
$relation = $this->getRelation($name);
$relation->addEagerConstraints($models);
$constraints($relation);
// Once we have the results, we just match those back up to their parent models
// using the relationship instance. Then we just return the finished arrays
// of models which have been eagerly hydrated and are readied for return.
return $relation->match(
$relation->initRelation($models, $name),
$relation->getEager(), $name
);
}
/**
* Get the relation instance for the given relation name.
*
* @param string $name
* @return \Illuminate\Database\Eloquent\Relations\Relation
*/
public function getRelation($name)
{
// We want to run a relationship query without any constrains so that we will
// not have to remove these where clauses manually which gets really hacky
// and error prone. We don't want constraints because we add eager ones.
$relation = Relation::noConstraints(function () use ($name) {
try {
return $this->getModel()->newInstance()->$name();
} catch (BadMethodCallException $e) {
throw RelationNotFoundException::make($this->getModel(), $name);
}
});
$nested = $this->relationsNestedUnder($name);
// If there are nested relationships set on the query, we will put those onto
// the query instances so that they can be handled after this relationship
// is loaded. In this way they will all trickle down as they are loaded.
if (count($nested) > 0) {
$relation->getQuery()->with($nested);
}
return $relation;
}
/**
* Get the deeply nested relations for a given top-level relation.
*
* @param string $relation
* @return array
*/
protected function relationsNestedUnder($relation)
{
$nested = [];
// We are basically looking for any relationships that are nested deeper than
// the given top-level relationship. We will just check for any relations
// that start with the given top relations and adds them to our arrays.
foreach ($this->eagerLoad as $name => $constraints) {
if ($this->isNestedUnder($relation, $name)) {
$nested[substr($name, strlen($relation.'.'))] = $constraints;
}
}
return $nested;
}
/**
* Determine if the relationship is nested.
*
* @param string $relation
* @param string $name
* @return bool
*/
protected function isNestedUnder($relation, $name)
{
return Str::contains($name, '.') && Str::startsWith($name, $relation.'.');
}
/**
* Get a generator for the given query.
*
* @return \Generator
*/
public function cursor()
{
foreach ($this->applyScopes()->query->cursor() as $record) {
yield $this->model->newFromBuilder($record);
}
}
/**
* Chunk the results of a query by comparing numeric IDs.
*
* @param int $count
* @param callable $callback
* @param string|null $column
* @param string|null $alias
* @return bool
*/
public function chunkById($count, callable $callback, $column = null, $alias = null)
{
$column = is_null($column) ? $this->getModel()->getKeyName() : $column;
$alias = is_null($alias) ? $column : $alias;
$lastId = null;
do {
$clone = clone $this;
// We'll execute the query for the given page and get the results. If there are
// no results we can just break and return from here. When there are results
// we will call the callback with the current chunk of these results here.
$results = $clone->forPageAfterId($count, $lastId, $column)->get();
$countResults = $results->count();
if ($countResults == 0) {
break;
}
// On each chunk result set, we will pass them to the callback and then let the
// developer take care of everything within the callback, which allows us to
// keep the memory low for spinning through large result sets for working.
if ($callback($results) === false) {
return false;
}
$lastId = $results->last()->{$alias};
unset($results);
} while ($countResults == $count);
return true;
}
/**
* Add a generic "order by" clause if the query doesn't already have one.
*
* @return void
*/
protected function enforceOrderBy()
{
if (empty($this->query->orders) && empty($this->query->unionOrders)) {
$this->orderBy($this->model->getQualifiedKeyName(), 'asc');
}
}
/**
* Get an array with the values of a given column.
*
* @param string $column
* @param string|null $key
* @return \Illuminate\Support\Collection
*/
public function pluck($column, $key = null)
{
$results = $this->toBase()->pluck($column, $key);
// If the model has a mutator for the requested column, we will spin through
// the results and mutate the values so that the mutated version of these
// columns are returned as you would expect from these Eloquent models.
if (! $this->model->hasGetMutator($column) &&
! $this->model->hasCast($column) &&
! in_array($column, $this->model->getDates())) {
return $results;
}
return $results->map(function ($value) use ($column) {
return $this->model->newFromBuilder([$column => $value])->{$column};
});
}
/**
* Paginate the given query.
*
* @param int $perPage
* @param array $columns
* @param string $pageName
* @param int|null $page
* @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
*
* @throws \InvalidArgumentException
*/
public function paginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
{
$page = $page ?: Paginator::resolveCurrentPage($pageName);
$perPage = $perPage ?: $this->model->getPerPage();
$results = ($total = $this->toBase()->getCountForPagination())
? $this->forPage($page, $perPage)->get($columns)
: $this->model->newCollection();
return $this->paginator($results, $total, $perPage, $page, [
'path' => Paginator::resolveCurrentPath(),
'pageName' => $pageName,
]);
}
/**
* Paginate the given query into a simple paginator.
*
* @param int $perPage
* @param array $columns
* @param string $pageName
* @param int|null $page
* @return \Illuminate\Contracts\Pagination\Paginator
*/
public function simplePaginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
{
$page = $page ?: Paginator::resolveCurrentPage($pageName);
$perPage = $perPage ?: $this->model->getPerPage();
// Next we will set the limit and offset for this query so that when we get the
// results we get the proper section of results. Then, we'll create the full
// paginator instances for these results with the given page and per page.
$this->skip(($page - 1) * $perPage)->take($perPage + 1);
return $this->simplePaginator($this->get($columns), $perPage, $page, [
'path' => Paginator::resolveCurrentPath(),
'pageName' => $pageName,
]);
}
/**
* Save a new model and return the instance.
*
* @param array $attributes
* @return \Illuminate\Database\Eloquent\Model|$this
*/
public function create(array $attributes = [])
{
return tap($this->newModelInstance($attributes), function ($instance) {
$instance->save();
});
}
/**
* Save a new model and return the instance. Allow mass-assignment.
*
* @param array $attributes
* @return \Illuminate\Database\Eloquent\Model|$this
*/
public function forceCreate(array $attributes)
{
return $this->model->unguarded(function () use ($attributes) {
return $this->newModelInstance()->create($attributes);
});
}
/**
* Update a record in the database.
*
* @param array $values
* @return int
*/
public function update(array $values)
{
return $this->toBase()->update($this->addUpdatedAtColumn($values));
}
/**
* Increment a column's value by a given amount.
*
* @param string $column
* @param float|int $amount
* @param array $extra
* @return int
*/
public function increment($column, $amount = 1, array $extra = [])
{
return $this->toBase()->increment(
$column, $amount, $this->addUpdatedAtColumn($extra)
);
}
/**
* Decrement a column's value by a given amount.
*
* @param string $column
* @param float|int $amount
* @param array $extra
* @return int
*/
public function decrement($column, $amount = 1, array $extra = [])
{
return $this->toBase()->decrement(
$column, $amount, $this->addUpdatedAtColumn($extra)
);
}
/**
* Add the "updated at" column to an array of values.
*
* @param array $values
* @return array
*/
protected function addUpdatedAtColumn(array $values)
{
if (! $this->model->usesTimestamps()) {
return $values;
}
$column = $this->qualifyColumn($this->model->getUpdatedAtColumn());
return array_merge(
[$column => $this->model->freshTimestampString()],
$values
);
}
/**
* Delete a record from the database.
*
* @return mixed
*/
public function delete()
{
if (isset($this->onDelete)) {
return call_user_func($this->onDelete, $this);
}
return $this->toBase()->delete();
}
/**
* Run the default delete function on the builder.
*
* Since we do not apply scopes here, the row will actually be deleted.
*
* @return mixed
*/
public function forceDelete()
{
return $this->query->delete();
}
/**
* Register a replacement for the default delete function.
*
* @param \Closure $callback
* @return void
*/
public function onDelete(Closure $callback)
{
$this->onDelete = $callback;
}
/**
* Call the given local model scopes.
*
* @param array $scopes
* @return mixed
*/
public function scopes(array $scopes)
{
$builder = $this;
foreach ($scopes as $scope => $parameters) {
// If the scope key is an integer, then the scope was passed as the value and
// the parameter list is empty, so we will format the scope name and these
// parameters here. Then, we'll be ready to call the scope on the model.
if (is_int($scope)) {
[$scope, $parameters] = [$parameters, []];
}
// Next we'll pass the scope callback to the callScope method which will take
// care of grouping the "wheres" properly so the logical order doesn't get
// messed up when adding scopes. Then we'll return back out the builder.
$builder = $builder->callScope(
[$this->model, 'scope'.ucfirst($scope)],
(array) $parameters
);
}
return $builder;
}
/**
* Apply the scopes to the Eloquent builder instance and return it.
*
* @return \Illuminate\Database\Eloquent\Builder|static
*/
public function applyScopes()
{
if (! $this->scopes) {
return $this;
}
$builder = clone $this;
foreach ($this->scopes as $identifier => $scope) {
if (! isset($builder->scopes[$identifier])) {
continue;
}
$builder->callScope(function (Builder $builder) use ($scope) {
// If the scope is a Closure we will just go ahead and call the scope with the
// builder instance. The "callScope" method will properly group the clauses
// that are added to this query so "where" clauses maintain proper logic.
if ($scope instanceof Closure) {
$scope($builder);
}
// If the scope is a scope object, we will call the apply method on this scope
// passing in the builder and the model instance. After we run all of these
// scopes we will return back the builder instance to the outside caller.
if ($scope instanceof Scope) {
$scope->apply($builder, $this->getModel());
}
});
}
return $builder;
}
/**
* Apply the given scope on the current builder instance.
*
* @param callable $scope
* @param array $parameters
* @return mixed
*/
protected function callScope(callable $scope, $parameters = [])
{
array_unshift($parameters, $this);
$query = $this->getQuery();
// We will keep track of how many wheres are on the query before running the
// scope so that we can properly group the added scope constraints in the
// query as their own isolated nested where statement and avoid issues.
$originalWhereCount = is_null($query->wheres)
? 0 : count($query->wheres);
$result = $scope(...array_values($parameters)) ?? $this;
if (count((array) $query->wheres) > $originalWhereCount) {
$this->addNewWheresWithinGroup($query, $originalWhereCount);
}
return $result;
}
/**
* Nest where conditions by slicing them at the given where count.
*
* @param \Illuminate\Database\Query\Builder $query
* @param int $originalWhereCount
* @return void
*/
protected function addNewWheresWithinGroup(QueryBuilder $query, $originalWhereCount)
{
// Here, we totally remove all of the where clauses since we are going to
// rebuild them as nested queries by slicing the groups of wheres into
// their own sections. This is to prevent any confusing logic order.
$allWheres = $query->wheres;
$query->wheres = [];
$this->groupWhereSliceForScope(
$query, array_slice($allWheres, 0, $originalWhereCount)
);
$this->groupWhereSliceForScope(
$query, array_slice($allWheres, $originalWhereCount)
);
}
/**
* Slice where conditions at the given offset and add them to the query as a nested condition.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $whereSlice
* @return void
*/
protected function groupWhereSliceForScope(QueryBuilder $query, $whereSlice)
{
$whereBooleans = collect($whereSlice)->pluck('boolean');
// Here we'll check if the given subset of where clauses contains any "or"
// booleans and in this case create a nested where expression. That way
// we don't add any unnecessary nesting thus keeping the query clean.
if ($whereBooleans->contains('or')) {
$query->wheres[] = $this->createNestedWhere(
$whereSlice, $whereBooleans->first()
);
} else {
$query->wheres = array_merge($query->wheres, $whereSlice);
}
}
/**
* Create a where array with nested where conditions.
*
* @param array $whereSlice
* @param string $boolean
* @return array
*/
protected function createNestedWhere($whereSlice, $boolean = 'and')
{
$whereGroup = $this->getQuery()->forNestedWhere();
$whereGroup->wheres = $whereSlice;
return ['type' => 'Nested', 'query' => $whereGroup, 'boolean' => $boolean];
}
/**
* Set the relationships that should be eager loaded.
*
* @param mixed $relations
* @return $this
*/
public function with($relations)
{
$eagerLoad = $this->parseWithRelations(is_string($relations) ? func_get_args() : $relations);
$this->eagerLoad = array_merge($this->eagerLoad, $eagerLoad);
return $this;
}
/**
* Prevent the specified relations from being eager loaded.
*
* @param mixed $relations
* @return $this
*/
public function without($relations)
{
$this->eagerLoad = array_diff_key($this->eagerLoad, array_flip(
is_string($relations) ? func_get_args() : $relations
));
return $this;
}
/**
* Create a new instance of the model being queried.
*
* @param array $attributes
* @return \Illuminate\Database\Eloquent\Model|static
*/
public function newModelInstance($attributes = [])
{
return $this->model->newInstance($attributes)->setConnection(
$this->query->getConnection()->getName()
);
}
/**
* Parse a list of relations into individuals.
*
* @param array $relations
* @return array
*/
protected function parseWithRelations(array $relations)
{
$results = [];
foreach ($relations as $name => $constraints) {
// If the "relation" value is actually a numeric key, we can assume that no
// constraints have been specified for the eager load and we'll just put
// an empty Closure with the loader so that we can treat all the same.
if (is_numeric($name)) {
$name = $constraints;
[$name, $constraints] = Str::contains($name, ':')
? $this->createSelectWithConstraint($name)
: [$name, function () {
//
}];
}
// We need to separate out any nested includes. Which allows the developers
// to load deep relationships using "dots" without stating each level of
// the relationship with its own key in the array of eager load names.
$results = $this->addNestedWiths($name, $results);
$results[$name] = $constraints;
}
return $results;
}
/**
* Create a constraint to select the given columns for the relation.
*
* @param string $name
* @return array
*/
protected function createSelectWithConstraint($name)
{
return [explode(':', $name)[0], function ($query) use ($name) {
$query->select(explode(',', explode(':', $name)[1]));
}];
}
/**
* Parse the nested relationships in a relation.
*
* @param string $name
* @param array $results
* @return array
*/
protected function addNestedWiths($name, $results)
{
$progress = [];
// If the relation has already been set on the result array, we will not set it
// again, since that would override any constraints that were already placed
// on the relationships. We will only set the ones that are not specified.
foreach (explode('.', $name) as $segment) {
$progress[] = $segment;
if (! isset($results[$last = implode('.', $progress)])) {
$results[$last] = function () {
//
};
}
}
return $results;
}
/**
* Get the underlying query builder instance.
*
* @return \Illuminate\Database\Query\Builder
*/
public function getQuery()
{
return $this->query;
}
/**
* Set the underlying query builder instance.
*
* @param \Illuminate\Database\Query\Builder $query
* @return $this
*/
public function setQuery($query)
{
$this->query = $query;
return $this;
}
/**
* Get a base query builder instance.
*
* @return \Illuminate\Database\Query\Builder
*/
public function toBase()
{
return $this->applyScopes()->getQuery();
}
/**
* Get the relationships being eagerly loaded.
*
* @return array
*/
public function getEagerLoads()
{
return $this->eagerLoad;
}
/**
* Set the relationships being eagerly loaded.
*
* @param array $eagerLoad
* @return $this
*/
public function setEagerLoads(array $eagerLoad)
{
$this->eagerLoad = $eagerLoad;
return $this;
}
/**
* Get the model instance being queried.
*
* @return \Illuminate\Database\Eloquent\Model|static
*/
public function getModel()
{
return $this->model;
}
/**
* Set a model instance for the model being queried.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @return $this
*/
public function setModel(Model $model)
{
$this->model = $model;
$this->query->from($model->getTable());
return $this;
}
/**
* Qualify the given column name by the model's table.
*
* @param string $column
* @return string
*/
public function qualifyColumn($column)
{
return $this->model->qualifyColumn($column);
}
/**
* Get the given macro by name.
*
* @param string $name
* @return \Closure
*/
public function getMacro($name)
{
return Arr::get($this->localMacros, $name);
}
/**
* Dynamically handle calls into the query instance.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
if ($method === 'macro') {
$this->localMacros[$parameters[0]] = $parameters[1];
return;
}
if (isset($this->localMacros[$method])) {
array_unshift($parameters, $this);
return $this->localMacros[$method](...$parameters);
}
if (isset(static::$macros[$method])) {
if (static::$macros[$method] instanceof Closure) {
return call_user_func_array(static::$macros[$method]->bindTo($this, static::class), $parameters);
}
return call_user_func_array(static::$macros[$method], $parameters);
}
if (method_exists($this->model, $scope = 'scope'.ucfirst($method))) {
return $this->callScope([$this->model, $scope], $parameters);
}
if (in_array($method, $this->passthru)) {
return $this->toBase()->{$method}(...$parameters);
}
$this->forwardCallTo($this->query, $method, $parameters);
return $this;
}
/**
* Dynamically handle calls into the query instance.
*
* @param string $method
* @param array $parameters
* @return mixed
*
* @throws \BadMethodCallException
*/
public static function __callStatic($method, $parameters)
{
if ($method === 'macro') {
static::$macros[$parameters[0]] = $parameters[1];
return;
}
if (! isset(static::$macros[$method])) {
static::throwBadMethodCallException($method);
}
if (static::$macros[$method] instanceof Closure) {
return call_user_func_array(Closure::bind(static::$macros[$method], null, static::class), $parameters);
}
return call_user_func_array(static::$macros[$method], $parameters);
}
/**
* Force a clone of the underlying query builder when cloning.
*
* @return void
*/
public function __clone()
{
$this->query = clone $this->query;
}
}