Expand tests, do code cleanup.

app/Helpers/Collection/BalanceLine.php

@@ -32,9 +32,18 @@ use Illuminate\Support\Collection;
  */
 class BalanceLine
 {
+    /**
+     *
+     */
     const ROLE_DEFAULTROLE = 1;
-    const ROLE_TAGROLE     = 2;
-    const ROLE_DIFFROLE    = 3;
+    /**
+     *
+     */
+    const ROLE_TAGROLE = 2;
+    /**
+     *
+     */
+    const ROLE_DIFFROLE = 3;
 
     /** @var Collection */
     protected $balanceEntries;

app/Helpers/Collector/JournalCollectorInterface.php

@@ -203,6 +203,11 @@ interface JournalCollectorInterface
      */
     public function setTypes(array $types): JournalCollectorInterface;
 
+    /**
+     * @param User $user
+     *
+     * @return mixed
+     */
     public function setUser(User $user);
 
     /**

app/Helpers/Filter/AmountFilter.php

@@ -37,6 +37,11 @@ class AmountFilter implements FilterInterface
     /** @var int */
     private $modifier = 0;
 
+    /**
+     * AmountFilter constructor.
+     *
+     * @param int $modifier
+     */
     public function __construct(int $modifier)
     {
         $this->modifier = $modifier;

app/Helpers/Filter/FilterInterface.php

@@ -24,6 +24,11 @@ namespace FireflyIII\Helpers\Filter;
 
 use Illuminate\Support\Collection;
 
+/**
+ * Interface FilterInterface
+ *
+ * @package FireflyIII\Helpers\Filter
+ */
 interface FilterInterface
 {
     /**

app/Helpers/Help/Help.php

@@ -34,6 +34,9 @@ use Route;
  */
 class Help implements HelpInterface
 {
+    /**
+     *
+     */
     const CACHEKEY = 'help_%s_%s';
     /** @var string */
     protected $userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36';