题
我有表:
users {id, name} projects {id, name} roles {id, name} projects_users {id, user_id, project_id, role_id}
我有机型:
project { has many users through projects_users } user { has many projects through projects_users }
<强>问题强>: 我如何获得用户的角色,一个项目?或者,也许我必须重建我的表?
代码:
$project = ORM::factory('project', $id); $users = $project->users->find_all(); foreach ($users as $u) { $roles = $u-> .... How to get all roles for this user and for this project? }
解决方案
您project_users表似乎较上项目的角色,添加绑定在该表的另一种模式:
project_role {
has one user
has one role
has one project
}
user {
has many project_role
...
}
project {
has many project_role
...
}
这时,你可能能够做到:
$user = ORM::factory('user')
->with('project_role')
->where('project_role.project_id', '=', $id)
->with('project_role:role')->findall();
如果不工作,下面应该工作之一,但可能会以不同的形式穿越到你以后。
$project = ORM::factory('project', $id);
$roles = $project->project_role->with('user')->with('role')->findall();
或者
$roles = ORM::factory('project_role')
->where('project_id', '=', $id)
->with('user')->with('role')->findall();
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