682 lines
20 KiB
PHP
682 lines
20 KiB
PHP
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<?php
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namespace Illuminate\Database\Eloquent\Relations\Concerns;
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use Illuminate\Database\Eloquent\Collection;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\Pivot;
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use Illuminate\Support\Collection as BaseCollection;
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trait InteractsWithPivotTable
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{
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/**
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* Toggles a model (or models) from the parent.
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*
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* Each existing model is detached, and non existing ones are attached.
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*
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* @param mixed $ids
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* @param bool $touch
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* @return array
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*/
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public function toggle($ids, $touch = true)
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{
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$changes = [
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'attached' => [], 'detached' => [],
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];
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$records = $this->formatRecordsList($this->parseIds($ids));
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// Next, we will determine which IDs should get removed from the join table by
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// checking which of the given ID/records is in the list of current records
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// and removing all of those rows from this "intermediate" joining table.
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$detach = array_values(array_intersect(
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$this->newPivotQuery()->pluck($this->relatedPivotKey)->all(),
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array_keys($records)
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));
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if (count($detach) > 0) {
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$this->detach($detach, false);
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$changes['detached'] = $this->castKeys($detach);
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}
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// Finally, for all of the records which were not "detached", we'll attach the
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// records into the intermediate table. Then, we will add those attaches to
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// this change list and get ready to return these results to the callers.
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$attach = array_diff_key($records, array_flip($detach));
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if (count($attach) > 0) {
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$this->attach($attach, [], false);
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$changes['attached'] = array_keys($attach);
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}
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// Once we have finished attaching or detaching the records, we will see if we
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// have done any attaching or detaching, and if we have we will touch these
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// relationships if they are configured to touch on any database updates.
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if ($touch && (count($changes['attached']) ||
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count($changes['detached']))) {
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$this->touchIfTouching();
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}
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return $changes;
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}
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/**
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* Sync the intermediate tables with a list of IDs without detaching.
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*
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* @param \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array $ids
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* @return array
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*/
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public function syncWithoutDetaching($ids)
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{
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return $this->sync($ids, false);
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}
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/**
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* Sync the intermediate tables with a list of IDs or collection of models.
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*
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* @param \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array $ids
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* @param bool $detaching
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* @return array
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*/
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public function sync($ids, $detaching = true)
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{
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$changes = [
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'attached' => [], 'detached' => [], 'updated' => [],
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];
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// First we need to attach any of the associated models that are not currently
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// in this joining table. We'll spin through the given IDs, checking to see
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// if they exist in the array of current ones, and if not we will insert.
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$current = $this->getCurrentlyAttachedPivots()
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->pluck($this->relatedPivotKey)->all();
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$records = $this->formatRecordsList($this->parseIds($ids));
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// Next, we will take the differences of the currents and given IDs and detach
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// all of the entities that exist in the "current" array but are not in the
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// array of the new IDs given to the method which will complete the sync.
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if ($detaching) {
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$detach = array_diff($current, array_keys($records));
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if (count($detach) > 0) {
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$this->detach($detach);
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$changes['detached'] = $this->castKeys($detach);
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}
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}
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// Now we are finally ready to attach the new records. Note that we'll disable
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// touching until after the entire operation is complete so we don't fire a
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// ton of touch operations until we are totally done syncing the records.
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$changes = array_merge(
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$changes, $this->attachNew($records, $current, false)
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);
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// Once we have finished attaching or detaching the records, we will see if we
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// have done any attaching or detaching, and if we have we will touch these
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// relationships if they are configured to touch on any database updates.
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if (count($changes['attached']) ||
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count($changes['updated']) ||
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count($changes['detached'])) {
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$this->touchIfTouching();
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}
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return $changes;
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}
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/**
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* Sync the intermediate tables with a list of IDs or collection of models with the given pivot values.
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*
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* @param \Illuminate\Support\Collection|\Illuminate\Database\Eloquent\Model|array $ids
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* @param array $values
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* @param bool $detaching
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* @return array
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*/
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public function syncWithPivotValues($ids, array $values, bool $detaching = true)
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{
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return $this->sync(collect($this->parseIds($ids))->mapWithKeys(function ($id) use ($values) {
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return [$id => $values];
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}), $detaching);
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}
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/**
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* Format the sync / toggle record list so that it is keyed by ID.
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*
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* @param array $records
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* @return array
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*/
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protected function formatRecordsList(array $records)
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{
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return collect($records)->mapWithKeys(function ($attributes, $id) {
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if (! is_array($attributes)) {
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[$id, $attributes] = [$attributes, []];
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}
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return [$id => $attributes];
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})->all();
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}
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/**
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* Attach all of the records that aren't in the given current records.
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*
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* @param array $records
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* @param array $current
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* @param bool $touch
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* @return array
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*/
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protected function attachNew(array $records, array $current, $touch = true)
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{
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$changes = ['attached' => [], 'updated' => []];
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foreach ($records as $id => $attributes) {
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// If the ID is not in the list of existing pivot IDs, we will insert a new pivot
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// record, otherwise, we will just update this existing record on this joining
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// table, so that the developers will easily update these records pain free.
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if (! in_array($id, $current)) {
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$this->attach($id, $attributes, $touch);
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$changes['attached'][] = $this->castKey($id);
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}
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// Now we'll try to update an existing pivot record with the attributes that were
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// given to the method. If the model is actually updated we will add it to the
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// list of updated pivot records so we return them back out to the consumer.
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elseif (count($attributes) > 0 &&
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$this->updateExistingPivot($id, $attributes, $touch)) {
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$changes['updated'][] = $this->castKey($id);
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}
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}
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return $changes;
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}
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/**
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* Update an existing pivot record on the table.
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*
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* @param mixed $id
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* @param array $attributes
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* @param bool $touch
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* @return int
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*/
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public function updateExistingPivot($id, array $attributes, $touch = true)
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{
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if ($this->using &&
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empty($this->pivotWheres) &&
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empty($this->pivotWhereIns) &&
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empty($this->pivotWhereNulls)) {
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return $this->updateExistingPivotUsingCustomClass($id, $attributes, $touch);
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}
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if ($this->hasPivotColumn($this->updatedAt())) {
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$attributes = $this->addTimestampsToAttachment($attributes, true);
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}
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$updated = $this->newPivotStatementForId($this->parseId($id))->update(
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$this->castAttributes($attributes)
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);
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if ($touch) {
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$this->touchIfTouching();
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}
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return $updated;
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}
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/**
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* Update an existing pivot record on the table via a custom class.
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*
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* @param mixed $id
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* @param array $attributes
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* @param bool $touch
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* @return int
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*/
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protected function updateExistingPivotUsingCustomClass($id, array $attributes, $touch)
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{
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$pivot = $this->getCurrentlyAttachedPivots()
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->where($this->foreignPivotKey, $this->parent->{$this->parentKey})
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->where($this->relatedPivotKey, $this->parseId($id))
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->first();
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$updated = $pivot ? $pivot->fill($attributes)->isDirty() : false;
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if ($updated) {
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$pivot->save();
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}
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if ($touch) {
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$this->touchIfTouching();
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}
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return (int) $updated;
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}
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/**
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* Attach a model to the parent.
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*
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* @param mixed $id
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* @param array $attributes
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* @param bool $touch
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* @return void
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*/
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public function attach($id, array $attributes = [], $touch = true)
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{
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if ($this->using) {
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$this->attachUsingCustomClass($id, $attributes);
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} else {
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// Here we will insert the attachment records into the pivot table. Once we have
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// inserted the records, we will touch the relationships if necessary and the
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// function will return. We can parse the IDs before inserting the records.
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$this->newPivotStatement()->insert($this->formatAttachRecords(
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$this->parseIds($id), $attributes
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));
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}
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if ($touch) {
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$this->touchIfTouching();
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}
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}
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/**
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* Attach a model to the parent using a custom class.
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*
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* @param mixed $id
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* @param array $attributes
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* @return void
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*/
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protected function attachUsingCustomClass($id, array $attributes)
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{
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$records = $this->formatAttachRecords(
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$this->parseIds($id), $attributes
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);
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foreach ($records as $record) {
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$this->newPivot($record, false)->save();
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}
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}
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/**
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* Create an array of records to insert into the pivot table.
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*
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* @param array $ids
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* @param array $attributes
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* @return array
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*/
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protected function formatAttachRecords($ids, array $attributes)
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{
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$records = [];
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$hasTimestamps = ($this->hasPivotColumn($this->createdAt()) ||
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$this->hasPivotColumn($this->updatedAt()));
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// To create the attachment records, we will simply spin through the IDs given
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// and create a new record to insert for each ID. Each ID may actually be a
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// key in the array, with extra attributes to be placed in other columns.
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foreach ($ids as $key => $value) {
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$records[] = $this->formatAttachRecord(
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$key, $value, $attributes, $hasTimestamps
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);
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}
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return $records;
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}
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/**
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* Create a full attachment record payload.
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*
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* @param int $key
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* @param mixed $value
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* @param array $attributes
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* @param bool $hasTimestamps
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* @return array
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*/
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protected function formatAttachRecord($key, $value, $attributes, $hasTimestamps)
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{
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[$id, $attributes] = $this->extractAttachIdAndAttributes($key, $value, $attributes);
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return array_merge(
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$this->baseAttachRecord($id, $hasTimestamps), $this->castAttributes($attributes)
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);
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}
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/**
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* Get the attach record ID and extra attributes.
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*
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* @param mixed $key
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* @param mixed $value
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* @param array $attributes
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* @return array
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*/
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protected function extractAttachIdAndAttributes($key, $value, array $attributes)
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{
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return is_array($value)
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? [$key, array_merge($value, $attributes)]
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: [$value, $attributes];
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}
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/**
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* Create a new pivot attachment record.
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*
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* @param int $id
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* @param bool $timed
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* @return array
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*/
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protected function baseAttachRecord($id, $timed)
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{
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$record[$this->relatedPivotKey] = $id;
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$record[$this->foreignPivotKey] = $this->parent->{$this->parentKey};
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// If the record needs to have creation and update timestamps, we will make
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// them by calling the parent model's "freshTimestamp" method which will
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// provide us with a fresh timestamp in this model's preferred format.
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if ($timed) {
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$record = $this->addTimestampsToAttachment($record);
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}
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foreach ($this->pivotValues as $value) {
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$record[$value['column']] = $value['value'];
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}
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return $record;
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}
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/**
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* Set the creation and update timestamps on an attach record.
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*
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* @param array $record
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* @param bool $exists
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* @return array
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*/
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protected function addTimestampsToAttachment(array $record, $exists = false)
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{
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|
$fresh = $this->parent->freshTimestamp();
|
||
|
|
|
||
|
|
if ($this->using) {
|
||
|
|
$pivotModel = new $this->using;
|
||
|
|
|
||
|
|
$fresh = $fresh->format($pivotModel->getDateFormat());
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $exists && $this->hasPivotColumn($this->createdAt())) {
|
||
|
|
$record[$this->createdAt()] = $fresh;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->hasPivotColumn($this->updatedAt())) {
|
||
|
|
$record[$this->updatedAt()] = $fresh;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $record;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine whether the given column is defined as a pivot column.
|
||
|
|
*
|
||
|
|
* @param string $column
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function hasPivotColumn($column)
|
||
|
|
{
|
||
|
|
return in_array($column, $this->pivotColumns);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Detach models from the relationship.
|
||
|
|
*
|
||
|
|
* @param mixed $ids
|
||
|
|
* @param bool $touch
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function detach($ids = null, $touch = true)
|
||
|
|
{
|
||
|
|
if ($this->using &&
|
||
|
|
! empty($ids) &&
|
||
|
|
empty($this->pivotWheres) &&
|
||
|
|
empty($this->pivotWhereIns) &&
|
||
|
|
empty($this->pivotWhereNulls)) {
|
||
|
|
$results = $this->detachUsingCustomClass($ids);
|
||
|
|
} else {
|
||
|
|
$query = $this->newPivotQuery();
|
||
|
|
|
||
|
|
// If associated IDs were passed to the method we will only delete those
|
||
|
|
// associations, otherwise all of the association ties will be broken.
|
||
|
|
// We'll return the numbers of affected rows when we do the deletes.
|
||
|
|
if (! is_null($ids)) {
|
||
|
|
$ids = $this->parseIds($ids);
|
||
|
|
|
||
|
|
if (empty($ids)) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
$query->whereIn($this->getQualifiedRelatedPivotKeyName(), (array) $ids);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Once we have all of the conditions set on the statement, we are ready
|
||
|
|
// to run the delete on the pivot table. Then, if the touch parameter
|
||
|
|
// is true, we will go ahead and touch all related models to sync.
|
||
|
|
$results = $query->delete();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($touch) {
|
||
|
|
$this->touchIfTouching();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $results;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Detach models from the relationship using a custom class.
|
||
|
|
*
|
||
|
|
* @param mixed $ids
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
protected function detachUsingCustomClass($ids)
|
||
|
|
{
|
||
|
|
$results = 0;
|
||
|
|
|
||
|
|
foreach ($this->parseIds($ids) as $id) {
|
||
|
|
$results += $this->newPivot([
|
||
|
|
$this->foreignPivotKey => $this->parent->{$this->parentKey},
|
||
|
|
$this->relatedPivotKey => $id,
|
||
|
|
], true)->delete();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $results;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the pivot models that are currently attached.
|
||
|
|
*
|
||
|
|
* @return \Illuminate\Support\Collection
|
||
|
|
*/
|
||
|
|
protected function getCurrentlyAttachedPivots()
|
||
|
|
{
|
||
|
|
return $this->newPivotQuery()->get()->map(function ($record) {
|
||
|
|
$class = $this->using ?: Pivot::class;
|
||
|
|
|
||
|
|
$pivot = $class::fromRawAttributes($this->parent, (array) $record, $this->getTable(), true);
|
||
|
|
|
||
|
|
return $pivot->setPivotKeys($this->foreignPivotKey, $this->relatedPivotKey);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new pivot model instance.
|
||
|
|
*
|
||
|
|
* @param array $attributes
|
||
|
|
* @param bool $exists
|
||
|
|
* @return \Illuminate\Database\Eloquent\Relations\Pivot
|
||
|
|
*/
|
||
|
|
public function newPivot(array $attributes = [], $exists = false)
|
||
|
|
{
|
||
|
|
$pivot = $this->related->newPivot(
|
||
|
|
$this->parent, $attributes, $this->table, $exists, $this->using
|
||
|
|
);
|
||
|
|
|
||
|
|
return $pivot->setPivotKeys($this->foreignPivotKey, $this->relatedPivotKey);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new existing pivot model instance.
|
||
|
|
*
|
||
|
|
* @param array $attributes
|
||
|
|
* @return \Illuminate\Database\Eloquent\Relations\Pivot
|
||
|
|
*/
|
||
|
|
public function newExistingPivot(array $attributes = [])
|
||
|
|
{
|
||
|
|
return $this->newPivot($attributes, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a new plain query builder for the pivot table.
|
||
|
|
*
|
||
|
|
* @return \Illuminate\Database\Query\Builder
|
||
|
|
*/
|
||
|
|
public function newPivotStatement()
|
||
|
|
{
|
||
|
|
return $this->query->getQuery()->newQuery()->from($this->table);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a new pivot statement for a given "other" ID.
|
||
|
|
*
|
||
|
|
* @param mixed $id
|
||
|
|
* @return \Illuminate\Database\Query\Builder
|
||
|
|
*/
|
||
|
|
public function newPivotStatementForId($id)
|
||
|
|
{
|
||
|
|
return $this->newPivotQuery()->whereIn($this->relatedPivotKey, $this->parseIds($id));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new query builder for the pivot table.
|
||
|
|
*
|
||
|
|
* @return \Illuminate\Database\Query\Builder
|
||
|
|
*/
|
||
|
|
public function newPivotQuery()
|
||
|
|
{
|
||
|
|
$query = $this->newPivotStatement();
|
||
|
|
|
||
|
|
foreach ($this->pivotWheres as $arguments) {
|
||
|
|
$query->where(...$arguments);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->pivotWhereIns as $arguments) {
|
||
|
|
$query->whereIn(...$arguments);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->pivotWhereNulls as $arguments) {
|
||
|
|
$query->whereNull(...$arguments);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $query->where($this->getQualifiedForeignPivotKeyName(), $this->parent->{$this->parentKey});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the columns on the pivot table to retrieve.
|
||
|
|
*
|
||
|
|
* @param array|mixed $columns
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function withPivot($columns)
|
||
|
|
{
|
||
|
|
$this->pivotColumns = array_merge(
|
||
|
|
$this->pivotColumns, is_array($columns) ? $columns : func_get_args()
|
||
|
|
);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all of the IDs from the given mixed value.
|
||
|
|
*
|
||
|
|
* @param mixed $value
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function parseIds($value)
|
||
|
|
{
|
||
|
|
if ($value instanceof Model) {
|
||
|
|
return [$value->{$this->relatedKey}];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($value instanceof Collection) {
|
||
|
|
return $value->pluck($this->relatedKey)->all();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($value instanceof BaseCollection) {
|
||
|
|
return $value->toArray();
|
||
|
|
}
|
||
|
|
|
||
|
|
return (array) $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the ID from the given mixed value.
|
||
|
|
*
|
||
|
|
* @param mixed $value
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
protected function parseId($value)
|
||
|
|
{
|
||
|
|
return $value instanceof Model ? $value->{$this->relatedKey} : $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cast the given keys to integers if they are numeric and string otherwise.
|
||
|
|
*
|
||
|
|
* @param array $keys
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function castKeys(array $keys)
|
||
|
|
{
|
||
|
|
return array_map(function ($v) {
|
||
|
|
return $this->castKey($v);
|
||
|
|
}, $keys);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cast the given key to convert to primary key type.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
protected function castKey($key)
|
||
|
|
{
|
||
|
|
return $this->getTypeSwapValue(
|
||
|
|
$this->related->getKeyType(),
|
||
|
|
$key
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cast the given pivot attributes.
|
||
|
|
*
|
||
|
|
* @param array $attributes
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function castAttributes($attributes)
|
||
|
|
{
|
||
|
|
return $this->using
|
||
|
|
? $this->newPivot()->fill($attributes)->getAttributes()
|
||
|
|
: $attributes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Converts a given value to a given type value.
|
||
|
|
*
|
||
|
|
* @param string $type
|
||
|
|
* @param mixed $value
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
protected function getTypeSwapValue($type, $value)
|
||
|
|
{
|
||
|
|
return match (strtolower($type)) {
|
||
|
|
'int', 'integer' => (int) $value,
|
||
|
|
'real', 'float', 'double' => (float) $value,
|
||
|
|
'string' => (string) $value,
|
||
|
|
default => $value,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|