HasManyThroug 关系返回 SQL 错误

Question

I am working on an internal PMS, where I have four models: User , Company , Client and Project .

One Company will have multiple Users , and through the Company , the User will have access to many Clients and Projects . Nothing fancy here, just a classic PMS with company, clients, users and projects.

The User model has a company_id field (one user can only be related to one company at the moment). The Client model also has a company_id field. With this I thought I could have a HasManyThrough relationship for User and Client , and I tried this:

public function clients()
{
    return $this->hasManyThrough( Client::class, Company::class );
}

However, this returns the

SQLSTATE[HY000]: General error: 1 no such column: companies.user_id (SQL:

 select "clients".*, "companies"."user_id" as "laravel_through_key" from "clients" inner join "companies" on "companies"."id" = "clients"."company_id" where "companies"."user_id" = 1 and "clients"."deleted_at" is null

In my database, companies.user_id doesn't exist, because this relation is defined by users.company.id . Would it be better to write a raw SQL query?

Answer 1

Or may just use two relations like:

// User Model
[.....]
public function company()
{
    return $this->belongsTo( Company::class, [YOUR_FK_HERE] );
}

public function clients()
{
    return $this->company->clients();
}
[....]

and in the Company Model

// Company Model
[....]
public function clients()
{
    return $this->hasMany( Client::class, [YOUR_FK_HERE] );
}
[....]