Laravel Follow

User follow unfollow system for Laravel.

Related projects:

Installing

composer require overtrue/laravel-follow -vvv

Configuration and Migrations

php artisan vendor:publish

Usage

Traits

`Overtrue\LaravelFollow\Traits\Follower`

Add the Follower trait to your user model:

use Overtrue\LaravelFollow\Traits\Follower;

class User extends Authenticatable
{
    use Follower;

    <...>
}

`Overtrue\LaravelFollow\Traits\Followable`

Then add the Followable trait to your followable model, for example App\User:

use Overtrue\LaravelFollow\Traits\Followable;

class User extends Authenticatable
{
    use Followable;
    <...>
}

or any other model:

use Overtrue\LaravelFollow\Traits\Followable;

class Channel extends Model
{
    use Followable;
    <...>
}

API

$user1 = User::find(1);
$user2 = User::find(2);

$user1->follow($user2);
$user1->unfollow($user2);
$user1->toggleFollow($user2);
$user1->acceptFollowRequestFrom($user2);
$user1->rejectFollowRequestFrom($user2);

$user1->isFollowing($user2);
$user2->isFollowedBy($user1);
$user2->hasRequestedToFollow($user1);

Get followings:

$user->followings;
$user->approvedFollowings;
$user->notApprovedFollowings;

foreach($user->followings()->with('followable')->get() as $following)
{
    $following->created_at; // followed at
    
    $following->followable->nickname; // the user attributes
}

Get followers:

$user->followers;
$user->approvedFollowers;
$user->notApprovedFollowers;

foreach($user->followers()->with('followers')->get() as $follower)
{
    $follower->created_at; // followed at
    
    $follower->follower->nickname; // the user attributes
}

Follow Requests

If you would like to have some follow requests to need to be accepted by the user being followed, simply override the needsToApproveFollowRequests() method in the model that uses the Followable trait with your custom logic:

public function needsToApproveFollowRequests()
{
    // Your custom logic here
    return (bool) $this->private;
}

Aggregations

// followings count
$user->followings()->count();
$user->approvedFollowings()->count();
$user->notApprovedFollowings()->count();

// with query where
$user->followings()->where('gender', 'female')->count();

// followers count
$user->followers()->count();
$user->approvedFollowers()->count();
$user->notApprovedFollowers()->count();

List with *_count attribute:

$users = User::withCount(['followings', 'followables'])->get();
// or 
$users = User::withCount(['approvedFollowings', 'approvedFollowers'])->get();

foreach($users as $user) {
    // $user->followings_count;
    // $user->followers_count;
    // or 
    // $user->approved_followings_count;
    // $user->approved_followers_count;
}

Attach user follow status to followable collection

You can use Follower::attachFollowStatus(Collection $followables) to attach the user follow status, it will set has_followed attribute to each model of $followables:

For model

$user1 = User::find(1);

$user->attachFollowStatus($user1);

// result
[
    "id" => 1
    "name" => "user1"
    "private" => false
    "created_at" => "2021-06-07T15:06:47.000000Z"
    "updated_at" => "2021-06-07T15:06:47.000000Z"
    "has_followed" => true  
  ]

For `Collection | Paginator | LengthAwarePaginator | array`:

$user = auth()->user();

$users = User::oldest('id')->get();

$users = $user->attachFollowStatus($users);

$users = $users->toArray();

// result
[
  [
    "id" => 1
    "name" => "user1"
    "private" => false
    "created_at" => "2021-06-07T15:06:47.000000Z"
    "updated_at" => "2021-06-07T15:06:47.000000Z"
    "has_followed" => true  
  ],
  [
    "id" => 2
    "name" => "user2"
    "private" => false
    "created_at" => "2021-06-07T15:06:47.000000Z"
    "updated_at" => "2021-06-07T15:06:47.000000Z"
    "has_followed" => true
  ],
  [
    "id" => 3
    "name" => "user3"
    "private" => false
    "created_at" => "2021-06-07T15:06:47.000000Z"
    "updated_at" => "2021-06-07T15:06:47.000000Z"
    "has_followed" => false
  ],
  [
    "id" => 4
    "name" => "user4"
    "private" => false
    "created_at" => "2021-06-07T15:06:47.000000Z"
    "updated_at" => "2021-06-07T15:06:47.000000Z"
    "has_followed" => false
  ],
]

For pagination

$users = User::paginate(20);

$user->attachFollowStatus($users);

Order by followers count

You can query users order by followers count with following methods:

orderByFollowersCountDesc()
orderByFollowersCountAsc()
orderByFollowersCount(string $direction = 'desc')

example:

$users = User::orderByFollowersCountDesc()->get();
$mostPopularUser = User::orderByFollowersCountDesc()->first();

N+1 issue

To avoid the N+1 issue, you can use eager loading to reduce this operation to just 2 queries. When querying, you may specify which relationships should be eager loaded using the with method:

$users = User::with('followings')->get();

foreach($users as $user) {
    $user->isFollowing(2);
}

$users = User::with('followables')->get();

foreach($users as $user) {
    $user->isFollowedBy(2);
}

Events

Event	Description
`Overtrue\LaravelFollow\Events\Followed`	Triggered when the relationship is created.
`Overtrue\LaravelFollow\Events\Unfollowed`	Triggered when the relationship is deleted.

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Project supported by JetBrains

Many thanks to Jetbrains for kindly providing a license for me to work on this and other open-source projects.

Contributing

You can contribute in one of three ways:

File bug reports using the issue tracker.
Answer questions or fix bugs on the issue tracker.
Contribute new features or update the wiki.

The code contribution process is not very formal. You just need to make sure that you follow the PSR-0, PSR-1, and PSR-2 coding guidelines. Any new code contributions must be accompanied by unit tests where applicable.

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License

MIT

titonova/laravel-follow