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Overview

The ContextSwitcher component allows users to switch between viewing their own health data and viewing data from other users who have granted them access. This enables family members, caregivers, and healthcare providers to view patient data in read-only mode. Namespace: App\Livewire\Dashboard\ContextSwitcher

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Properties

This component has no public properties - it reads directly from the session and database.

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Methods

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switchTo()

Switches the viewing context to another user or back to the current user.
app/Livewire/Dashboard/ContextSwitcher.php:11-22
public function switchTo($userId)
{
    if (empty($userId) || $userId == auth()->id()) {
        session()->forget('viewing_user_id');
    } else {
        if (auth()->user()->canView($userId)) {
            session(['viewing_user_id' => $userId]);
        }
    }

    return redirect(request()->header('Referer'));
}
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userId
int|null
The ID of the user to view. Pass null or the current user’s ID to return to own data.
Authorization: The method checks auth()->user()->canView($userId) before allowing the switch. If permission is denied, the context remains unchanged. Session Storage: The selected user ID is stored in session('viewing_user_id') and persists across page loads.

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render()

Renders the context switcher dropdown with available users.
app/Livewire/Dashboard/ContextSwitcher.php:24-35
public function render()
{
    $currentId = session('viewing_user_id', auth()->id());
    $currentUser = User::find($currentId);

    $accessibleUsers = auth()->user()->accessibleUsers;

    return view('livewire.dashboard.context-switcher', [
        'currentUser' => $currentUser,
        'accessibleUsers' => $accessibleUsers
    ]);
}
View Data:
  • currentUser - The user whose data is currently being viewed
  • accessibleUsers - Collection of users who have shared their data with the logged-in user

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Usage Example

The context switcher is typically rendered in the application header/navbar: 
<livewire:dashboard.context-switcher />
When a user selects another user from the dropdown, the component:
  1. Validates the user has canView() permission
  2. Stores the selected user ID in the session
  3. Redirects back to the current page
  4. All subsequent components read session('viewing_user_id') to display that user’s data

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Read-Only Mode

When viewing another user’s data (session('viewing_user_id') is set and differs from auth()->id()):
  • All create/edit/delete operations are disabled
  • The floating action button (FAB) is hidden or shows a “Viewer Mode” notice
  • Components check $this->isReadOnly before allowing modifications

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Dependencies

  • User Model - Uses the accessibleUsers relationship to get the list of users
  • Session - Stores the viewing context across requests
  • Permission System - Relies on the user_permissions table

ShareData Component

Grant and revoke viewing permissions

User Model

See canView() method and permission relationships

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