Created
June 21, 2017 18:14
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| <?php | |
| /** | |
| * Takes the results of a relation sync and replaces the ids with model instances. | |
| * | |
| * @param array $synced The results of a call to `sync()` on a `BelongsToMany` relation. | |
| * @param string $foreign Namespaced model name. e.g. from Foo::class | |
| * @return array $sync, but with ids replaced with model instances | |
| */ | |
| function fetchSynced(array $synced, string $foreign): array | |
| { | |
| /** @var Model $instance */ | |
| $instance = new $foreign; | |
| $changes = []; | |
| $keyToType = []; | |
| foreach ($synced as $type => $keys) { | |
| $changes[$type] = []; | |
| foreach ($keys as $key) { | |
| $keyToType[$key] = $type; | |
| } | |
| } | |
| $fetched = $keyToType ? $foreign::whereIn($instance->getKeyName(), array_keys($keyToType))->get() : new Collection; | |
| /** @var Model $model */ | |
| foreach ($fetched as $model) { | |
| $changes[$keyToType[$model->getKey()]][] = $model; | |
| } | |
| return $changes; | |
| } |
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