提交代码

vendor/overtrue/laravel-follow/src/Traits/CanBeLiked.php

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+<?php
+
+/*
+ * This file is part of the overtrue/laravel-follow
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Overtrue\LaravelFollow\Traits;
+
+use Overtrue\LaravelFollow\Follow;
+
+/**
+ * Trait CanBeLiked.
+ */
+trait CanBeLiked
+{
+    /**
+     * Check if user is isLikedBy by given user.
+     *
+     * @param int $user
+     *
+     * @return bool
+     */
+    public function isLikedBy($user)
+    {
+        return Follow::isRelationExists($this, 'likers', $user);
+    }
+
+    /**
+     * Return followers.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
+     */
+    public function likers()
+    {
+        return $this->morphToMany(config('follow.user_model'), config('follow.morph_prefix'), config('follow.followable_table'))
+                    ->wherePivot('relation', '=', Follow::RELATION_LIKE)
+                    ->withPivot('followable_type', 'relation', 'created_at');
+    }
+
+    /**
+     * Alias of likers.
+     *
+     * @return mixed
+     */
+    public function fans()
+    {
+        return $this->likers();
+    }
+}