init

.gitignore

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+/bootstrap/compiled.php
+.env.*.php
+.env.php
+!empty
+.idea
+.project
+.settings
+.buildpath
+composer.lock
+/vendor
+.phpintel/*
+.phpunit.result.cache

.travis.yml

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+language: php
+
+php:
+  - 7.2
+  - 7.4
+
+before_script:
+  - travis_retry composer self-update
+  - COMPOSER_MEMORY_LIMIT=-1 travis_retry composer install
+
+script: vendor/bin/phpunit --verbose
+
+notifications:
+  email:
+    on_success: never

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014 Robert Conner <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+Laravel Likeable Plugin
+============
+
+Important Note: As of version 1.2 I renamed `Conner\Likeable\LikeableTrait` to `Conner\Likeable\Likeable`
+
+[![Build Status](https://travis-ci.org/rtconner/laravel-likeable.svg?branch=laravel-7)](https://travis-ci.org/rtconner/laravel-likeable)
+[![Latest Stable Version](https://poser.pugx.org/rtconner/laravel-likeable/v/stable.svg)](https://packagist.org/packages/rtconner/laravel-likeable)
+[![License](https://poser.pugx.org/rtconner/laravel-likeable/license.svg)](https://packagist.org/packages/rtconner/laravel-likeable)
+
+Trait for Laravel Eloquent models to allow easy implementation of a "like" or "favorite" or "remember" feature.
+
+[Laravel 5/6/7 Documentation](https://github.com/rtconner/laravel-likeable/tree/laravel-7)  
+[Laravel 4 Documentation](https://github.com/rtconner/laravel-likeable/tree/laravel-4)
+
+#### Composer Install (for Laravel 5)
+
+	composer require rtconner/laravel-likeable "~3.0"
+
+#### Then run the migrations
+
+```bash
+php artisan migrate
+```
+
+#### Setup your models
+
+```php
+class Article extends \Illuminate\Database\Eloquent\Model {
+	use \Conner\Likeable\LikeableTrait;
+}
+```
+
+#### Sample Usage
+
+```php
+$article->like(); // like the article for current user
+$article->like($myUserId); // pass in your own user id
+$article->like(0); // just add likes to the count, and don't track by user
+
+$article->unlike(); // remove like from the article
+$article->unlike($myUserId); // pass in your own user id
+$article->unlike(0); // remove likes from the count -- does not check for user
+
+$article->likeCount; // get count of likes
+
+$article->likes; // Iterable Illuminate\Database\Eloquent\Collection of existing likes 
+
+$article->liked(); // check if currently logged in user liked the article
+$article->liked($myUserId);
+
+Article::whereLikedBy($myUserId) // find only articles where user liked them
+	->with('likeCounter') // highly suggested to allow eager load
+	->get();
+```
+
+#### Credits
+
+ - Robert Conner - http://smartersoftware.net

composer.json

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+{
+	"name": "turahe/laravel-likeable",
+	"description": "Trait for Laravel Eloquent models to allow easy implementation of a 'like' or 'favorite' or 'remember' feature.",
+	"license": "MIT",
+	"keywords": ["trait", "laravel", "laravel5", "eloquent", "likeable", "likable", "like", "remember", "follow", "favorite", "favourite"],
+	"authors": [
+		{
+			"name": "Robert Conner",
+			"email": "[email protected]"
+		}
+	],
+	"require": {
+		"php": ">=5.6.0",
+		"illuminate/database": "^6.0|^7.0|^8.0",
+		"illuminate/support": "^6.0|^7.0|^8.0"
+	},
+	"require-dev": {
+		"orchestra/testbench": "^5.0 | ^6.0",
+		"phpunit/phpunit": "^8.5|^9.3",
+		"mockery/mockery": "^1.3"
+	},
+	"autoload": {
+		"psr-4": {
+			"Turahe\\Likeable\\": "src/"
+		}
+	},
+	"autoload-dev": {
+		"psr-4": {
+			"Conner\\Tests\\Likeable\\": "tests/"
+		}
+	},
+	"extra": {
+		"laravel": {
+			"providers": [
+				"Turahe\\Likeable\\LikeableServiceProvider"
+			]
+		}
+	},
+	"minimum-stability": "dev"
+}

phpunit.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+>
+    <testsuites>
+        <testsuite name="Package Test Suite">
+            <directory suffix=".php">./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <php>
+        <env name="DB_CONNECTION" value="sqlite"/>
+    </php>
+</phpunit>

src/Like.php

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+<?php
+
+namespace Turahe\Likeable;
+
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @mixin \Eloquent
+ * @property Likeable likeable
+ * @property string user_id
+ * @property string likeable_id
+ * @property string likeable_type
+ */
+class Like extends Model
+{
+	protected $table = 'likes';
+	public $timestamps = true;
+	protected $fillable = ['likeable_id', 'likeable_type', 'user_id'];
+
+    /**
+     * @access private
+     */
+	public function likeable()
+	{
+		return $this->morphTo();
+	}
+}

src/LikeCounter.php

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+<?php
+
+namespace Turahe\Likeable;
+
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @mixin \Eloquent
+ * @property Likeable likeable
+ */
+class LikeCounter extends Model
+{
+	protected $table = 'like_counters';
+	public $timestamps = false;
+	protected $fillable = ['likeable_id', 'likeable_type', 'count'];
+
+    /**
+     * @access private
+     */
+	public function likeable()
+	{
+		return $this->morphTo();
+	}
+
+    /**
+     * Delete all counts of the given model, and recount them and insert new counts
+     *
+     * @param $modelClass
+     */
+	public static function rebuild($modelClass)
+	{
+		if(empty($modelClass)) {
+            throw new \Exception('$modelClass cannot be empty/null. Maybe set the $morphClass variable on your model.');
+		}
+
+		$builder = Like::query()
+			->select(\DB::raw('count(*) as count, likeable_type, likeable_id'))
+			->where('likeable_type', $modelClass)
+			->groupBy('likeable_id');
+
+		$results = $builder->get();
+
+		$inserts = $results->toArray();
+
+		\DB::table((new static)->table)->insert($inserts);
+	}
+
+}