BookStack/app/Repos/CommentRepo.php

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<?php namespace BookStack\Repos;
use BookStack\Comment;
use BookStack\Entity;
/**
* Class CommentRepo
* @package BookStack\Repos
*/
class CommentRepo
{
/**
* @var Comment $comment
*/
protected $comment;
/**
* CommentRepo constructor.
* @param Comment $comment
*/
public function __construct(Comment $comment)
{
$this->comment = $comment;
}
/**
* Get a comment by ID.
* @param $id
* @return Comment|\Illuminate\Database\Eloquent\Model
*/
public function getById($id)
{
return $this->comment->newQuery()->findOrFail($id);
}
/**
* Create a new comment on an entity.
* @param Entity $entity
* @param array $data
* @return Comment
*/
public function create(Entity $entity, $data = [])
{
$userId = user()->id;
$comment = $this->comment->newInstance($data);
$comment->created_by = $userId;
$comment->updated_by = $userId;
$comment->local_id = $this->getNextLocalId($entity);
$entity->comments()->save($comment);
return $comment;
}
/**
* Update an existing comment.
* @param Comment $comment
* @param array $input
* @return mixed
*/
public function update($comment, $input)
{
$comment->updated_by = user()->id;
$comment->update($input);
return $comment;
}
/**
* Delete a comment from the system.
* @param Comment $comment
* @return mixed
*/
public function delete($comment)
{
return $comment->delete();
}
/**
* Get the next local ID relative to the linked entity.
* @param Entity $entity
* @return int
*/
protected function getNextLocalId(Entity $entity)
{
$comments = $entity->comments(false)->orderBy('local_id', 'desc')->first();
if ($comments === null) {
return 1;
}
return $comments->local_id + 1;
}
}