I have three tables:
comments
id
comment_links
id | comment_id | link_id
links
id
I want to get all Links associated with each Comment. As you can see, CommentLink should act as a pivot table, but I don't know how to set up the relationships to make this work. I think I need to use the hasManyThrough relationship, but I'm not 100% sure.
Here are my current class relationships (they may be wrong):
Comment.php:
class Comment extends Model
{
public function commentLinks()
{
return $this->hasMany('App\CommentLink', 'comment_id', 'id');
}
public function links()
{
// How do I fetch all links here using the pivot table?
}
}
CommentLink.php:
class CommentLink extends Model
{
public function comment()
{
return $this->belongsTo('App\Comment');
}
public function link()
{
return $this->hasOne('App\Link', 'id', 'link_id');
}
}
Link.php:
class Link extends Model
{
public function commentLinks()
{
return $this->belongsToMany('App\CommentLink', 'link_id', 'id');
}
}
What do I need to do here to make this work?
You have the right idea, just using the wrong class names.
class Link extends Model
{
public function comments()
{
return $this->belongsToMany('App\Comment');
}
}
class Comment extends Model
{
public function links()
{
return $this->belongsToMany('App\Link');
}
}
You don't actually need to have a class for your pivot table, but you can if you want.
This is quite a good guide on how to do this. https://laraveldaily.com/pivot-tables-and-many-to-many-relationships/
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