invoiceninja/app/Providers/AppServiceProvider.php

<?php namespace App\Providers;

use Session;
use Auth;
use Utils;
use HTML;
use URL;
use Request;
use Validator;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider {

	/**
	 * Bootstrap any application services.
	 *
	 * @return void
	 */
	public function boot()
	{
        HTML::macro('nav_link', function($url, $text, $url2 = '', $extra = '') {
            $class = ( Request::is($url) || Request::is($url.'/*') || Request::is($url2.'/*') ) ? ' class="active"' : '';
            $title = ucwords(trans("texts.$text")) . Utils::getProLabel($text);
            return '<li'.$class.'><a href="'.URL::to($url).'" '.$extra.'>'.$title.'</a></li>';
        });

        HTML::macro('tab_link', function($url, $text, $active = false) {
            $class = $active ? ' class="active"' : '';
            return '<li'.$class.'><a href="'.URL::to($url).'" data-toggle="tab">'.$text.'</a></li>';
        });

        HTML::macro('menu_link', function($type) {
            $types = $type.'s';
            $Type = ucfirst($type);
            $Types = ucfirst($types);
            $class = ( Request::is($types) || Request::is('*'.$type.'*')) && !Request::is('*advanced_settings*') ? ' active' : '';

            $str = '<li class="dropdown '.$class.'">
                   <a href="'.URL::to($types).'" class="dropdown-toggle">'.trans("texts.$types").'</a>
                   <ul class="dropdown-menu" id="menu1">
                     <li><a href="'.URL::to($types.'/create').'">'.trans("texts.new_$type").'</a></li>';

            if ($type == ENTITY_INVOICE) {
                $str .= '<li><a href="'.URL::to('recurring_invoices/create').'">'.trans("texts.new_recurring_invoice").'</a></li>';
                if (Auth::user()->isPro()) {
                    $str .= '<li class="divider"></li>
                        <li><a href="'.URL::to('quotes').'">'.trans("texts.quotes").'</a></li>
                        <li><a href="'.URL::to('quotes/create').'">'.trans("texts.new_quote").'</a></li>';
                }
            } else if ($type == ENTITY_CLIENT) {
                $str .= '<li class="divider"></li>
                        <li><a href="'.URL::to('credits').'">'.trans("texts.credits").'</a></li>
                        <li><a href="'.URL::to('credits/create').'">'.trans("texts.new_credit").'</a></li>';
            }

            $str .= '</ul>
                  </li>';

            return $str;
        });

        HTML::macro('image_data', function($imagePath) {
            return 'data:image/jpeg;base64,' . base64_encode(file_get_contents(public_path().'/'.$imagePath));
        });


        HTML::macro('breadcrumbs', function() {
            $str = '<ol class="breadcrumb">';

            // Get the breadcrumbs by exploding the current path.
            $basePath = Utils::basePath();
            $parts = explode('?', $_SERVER['REQUEST_URI']);
            $path = $parts[0];

            if ($basePath != '/') {
                $path = str_replace($basePath, '', $path);
            }
            $crumbs = explode('/', $path);

            foreach ($crumbs as $key => $val) {
                if (is_numeric($val)) {
                    unset($crumbs[$key]);
                }
            }

            $crumbs = array_values($crumbs);
            for ($i=0; $i<count($crumbs); $i++) {
                $crumb = trim($crumbs[$i]);
                if (!$crumb) {
                    continue;
                }
                if ($crumb == 'company') {
                    return '';
                }
                $name = trans("texts.$crumb");
                if ($i==count($crumbs)-1) {
                    $str .= "<li class='active'>$name</li>";
                } else {
                    $str .= '<li>'.link_to($crumb, $name).'</li>';
                }
            }
            return $str . '</ol>';
        });

        Validator::extend('positive', function($attribute, $value, $parameters) {
            return Utils::parseFloat($value) >= 0;
        });

        Validator::extend('has_credit', function($attribute, $value, $parameters) {
            $publicClientId = $parameters[0];
            $amount = $parameters[1];

            $client = \App\Models\Client::scope($publicClientId)->firstOrFail();
            $credit = $client->getTotalCredit();

            return $credit >= $amount;
        });


        Validator::extend('less_than', function($attribute, $value, $parameters) {
            return floatval($value) <= floatval($parameters[0]);
        });

        Validator::replacer('less_than', function($message, $attribute, $rule, $parameters) {
            return str_replace(':value', $parameters[0], $message);
        });
	}

	/**
	 * Register any application services.
	 *
	 * This service provider is a great spot to register your various container
	 * bindings with the application. As you can see, we are registering our
	 * "Registrar" implementation here. You can add your own bindings too!
	 *
	 * @return void
	 */
	public function register()
	{
		$this->app->bind(
			'Illuminate\Contracts\Auth\Registrar',
			'App\Services\Registrar'
		);
	}

}