v.0.1

vendor/illuminate/database/Eloquent/Relations/HasOneThrough.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Relations;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels;
+
+class HasOneThrough extends HasManyThrough
+{
+    use SupportsDefaultModels;
+
+    /**
+     * Get the results of the relationship.
+     *
+     * @return mixed
+     */
+    public function getResults()
+    {
+        return $this->first() ?: $this->getDefaultFor($this->farParent);
+    }
+
+    /**
+     * Initialize the relation on a set of models.
+     *
+     * @param  array  $models
+     * @param  string  $relation
+     * @return array
+     */
+    public function initRelation(array $models, $relation)
+    {
+        foreach ($models as $model) {
+            $model->setRelation($relation, $this->getDefaultFor($model));
+        }
+
+        return $models;
+    }
+
+    /**
+     * Match the eagerly loaded results to their parents.
+     *
+     * @param  array  $models
+     * @param  \Illuminate\Database\Eloquent\Collection  $results
+     * @param  string  $relation
+     * @return array
+     */
+    public function match(array $models, Collection $results, $relation)
+    {
+        $dictionary = $this->buildDictionary($results);
+
+        // Once we have the dictionary we can simply spin through the parent models to
+        // link them up with their children using the keyed dictionary to make the
+        // matching very convenient and easy work. Then we'll just return them.
+        foreach ($models as $model) {
+            if (isset($dictionary[$key = $model->getAttribute($this->localKey)])) {
+                $value = $dictionary[$key];
+                $model->setRelation(
+                    $relation, reset($value)
+                );
+            }
+        }
+
+        return $models;
+    }
+
+    /**
+     * Make a new related instance for the given model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $parent
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function newRelatedInstanceFor(Model $parent)
+    {
+        return $this->related->newInstance();
+    }
+}