streamline-emr/docker/streamline-src/app/Providers/AppServiceProvider.php

<?php

namespace Streamline\Providers;

use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Pagination\Paginator;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\Schema;
use App;
use Streamline\Models\HospitalInformation;
use Illuminate\Support\Facades\DB;
use Streamline\Models\Triage;
use Streamline\Observers\TriageObserver;

class AppServiceProvider extends ServiceProvider {

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot() {
        Schema::defaultStringLength(191);

        App::singleton('hospital_information', function() {
            $hospital_information = HospitalInformation::first();
            return $hospital_information;
        });

        App::singleton('message_board', function() {
            $messages = DB::table('message_board')
                    ->orderBy('id', 'desc')
                    ->limit(15)
                    ->paginate(3);
            return $messages;
        });

        Paginator::useBootstrapThree();

        // for old DBs with Streamline\User
        Relation::morphMap([
            'Streamline\User' => 'Streamline\Models\User',
        ]);

        Triage::observe(TriageObserver::class);
    }

    /**
     * Register any application services.
     *
     * @return void
     */
    public function register() {
        //
    }

}