BookStack/app/Comment.php

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<?php
namespace BookStack;
use Illuminate\Support\Facades\DB;
class Comment extends Ownable
{
protected $fillable = ['text', 'html', 'parent_id'];
/**
* Get the entity that this comment belongs to
* @return \Illuminate\Database\Eloquent\Relations\MorphTo
*/
public function entity()
{
return $this->morphTo('entity');
}
/**
* Get the page that this comment is in.
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function page()
{
return $this->belongsTo(Page::class);
}
/**
* Get the owner of this comment.
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function user()
{
return $this->belongsTo(User::class);
}
public function getCommentsByPage($pageId, $commentId, $pageNum = 0, $limit = 0) {
$query = static::newQuery();
$query->join('users AS u', 'comments.created_by', '=', 'u.id');
$query->leftJoin('users AS u1', 'comments.updated_by', '=', 'u1.id');
$query->leftJoin('images AS i', 'i.id', '=', 'u.image_id');
$query->selectRaw('comments.id, text, html, comments.created_by, comments.updated_by, comments.created_at, comments.updated_at, '
. 'u.name AS created_by_name, u1.name AS updated_by_name, '
. '(SELECT count(c.id) FROM bookstack.comments c WHERE c.parent_id = comments.id AND page_id = ?) AS cnt_sub_comments, i.url AS avatar ',
[$pageId]);
if (empty($commentId)) {
$query->whereRaw('page_id = ? AND parent_id IS NULL', [$pageId]);
} else {
$query->whereRaw('page_id = ? AND parent_id = ?', [$pageId, $commentId]);
}
$query->orderBy('created_at');
return $query;
}
}